CN115649205B - Method for adjusting locomotive sand spraying system by monitoring sand state - Google Patents
Method for adjusting locomotive sand spraying system by monitoring sand state Download PDFInfo
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- CN115649205B CN115649205B CN202211592959.XA CN202211592959A CN115649205B CN 115649205 B CN115649205 B CN 115649205B CN 202211592959 A CN202211592959 A CN 202211592959A CN 115649205 B CN115649205 B CN 115649205B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The invention discloses a method for adjusting a locomotive sand spraying system by monitoring a sand state, which relates to the technical field of railway locomotives and comprises a sand box, a sand outlet pipe, a monitoring mechanism, a control panel and a control system, wherein the sand box is connected to the locomotive through bolts; because the monitoring mechanism monitors the sand outlet state in real time, the sand outlet state is used for judging the sand faults and solving the corresponding faults, the locomotive and the track can obtain larger friction force when accelerating or decelerating, and the safety of the locomotive is further improved.
Description
Technical Field
The invention discloses a method for adjusting a locomotive sanding system by monitoring a sand state, and relates to the technical field of railways.
Background
The sand spraying device has the advantages that the sand spraying device plays a vital role in links such as acceleration, deceleration, climbing and the like of a railway locomotive, aims at increasing the adhesion coefficient between wheels and steel rails, and is required to sand the contact surface of the wheels of the locomotive and the steel rails through the sand spraying device when the wheels of the train are difficult to start or the wheels of the climbing slide, so that the adhesion force of the locomotive is increased to improve the traction force or braking force of the locomotive, if the sand box is not sanded or the sand spraying amount is insufficient during operation of the locomotive, the adhesion coefficient of the locomotive is reduced, the traction force exerted by the locomotive is insufficient, and particularly when the locomotive is started in severe weather such as rain and snow or the climbing, the locomotive is stopped on a line due to idle running or slope stopping of the wheels of the locomotive, so that normal line driving is seriously influenced.
Normally, the air-sand mixture flow from the sand spreading port should be linear, uniform and regular intermittent or continuous according to the difference of the operation of the driver (point brake or line brake); in practical operation, the status of the sand body of the sand outlet may be agglomeration, uneven and irregular sand outlet interruption, and the conditions of sand outlet all require operators to overhaul the locomotive sand spraying system in a state that the locomotive stops, but during overhaul, the faults of the sand spraying system need to be judged first, and then the corresponding faults are overhauled, so that the overhaul time is increased, and the probability of late locomotive is increased.
Disclosure of Invention
In order to monitor the sand outlet state of a sand spraying system on a railway locomotive in real time and improve the accuracy of monitoring data, the invention provides a method for adjusting the sand spraying system of the locomotive by monitoring the sand outlet state.
The invention provides a method for adjusting a locomotive sanding system by monitoring a sand state, which adopts the following technical scheme:
the method for adjusting the locomotive sand spraying system by monitoring the sand state comprises a sand box, a sand outlet pipe, a monitoring mechanism and a control panel, wherein the sand box is arranged on a locomotive, the sand outlet pipe is arranged on the sand box, the sand outlet pipe is communicated with the sand box, the monitoring mechanism is arranged in the sand outlet pipe and is used for monitoring the sand body state, and the monitoring mechanism is electrically connected with the control panel and is used for transmitting sand outlet information of the monitored sand outlet pipe to the control panel;
after triggering the sand spraying signal, judging a sand state according to the sand discharging signal of the monitoring mechanism, and if the sand discharging signal is always displayed as not discharging sand in the triggering period, monitoring the sand discharging port by the monitoring mechanism; if the sand outlet is coagulated by sand bodies, the monitoring mechanism judges that the sand outlet is blocked and the sand outlet needs to be dredged; if the sand outlet is not coagulated by sand, the monitoring system judges that the pipeline is blocked or the air pressure is insufficient, and the sand outlet pipe is dredged and the air pressure is regulated.
By adopting the technical scheme, when the locomotive starts or decelerates, sand needs to be sprayed on the track, friction force between the track and the locomotive is increased, when the locomotive needs to spray sand, the monitoring mechanism monitors the sand outlet state at all times, the monitoring mechanism transmits sand outlet information of the monitored sand outlet pipe to the control panel, if the monitoring mechanism monitors that sand outlet of the sand outlet pipe has sand body condensation, the standby vehicle stops and then the condensation of the sand outlet is dredged, and if the monitoring mechanism monitors that the sand outlet of the sand outlet pipe has no sand body condensation, air pressure is applied to the sand box; because the monitoring mechanism monitors the sand outlet state in real time, the sand outlet state is used for judging sand faults, and after the locomotive stops, the locomotive is maintained in time according to the faults detected by the monitoring mechanism, so that the maintenance time is shortened, and the probability of late points of the locomotive is further reduced.
Optionally, if the sand-out signal appears the sand-out inconsistent with the trigger signal period in the trigger period, the monitoring mechanism monitors the sand-out port; if the monitoring mechanism monitors the caking state of the sand body, the detecting mechanism judges that the sand pipe has high humidity and the sand pipe needs to be dried; if the monitoring mechanism monitors the air leakage of the sand inlet and the sand outlet, the sand inlet is repaired.
Through adopting above-mentioned technical scheme, when monitoring mechanism monitors out sand pipe humidity great, then carry out drying process to sand pipe when the locomotive parks, if monitoring mechanism monitors into sand mouth gas leakage time, then repair into sand mouth when the locomotive parks, because monitoring mechanism monitors out sand pipe humidity great to and into sand mouth gas leakage, make the locomotive can dry out sand pipe when stopping, repair into sand mouth when the stand-by car stops, and then reduce the probability of lower sand interruption when the next starting locomotive.
Optionally, the sand-out signal shows that the sand-out signal is identical to the sand-out signal in the trigger period, and the control panel shows that the sand is normal.
By adopting the technical scheme, if the monitoring mechanism monitors that the sand outlet of the sand outlet pipe is normal in sand outlet, the control panel is displayed as normal.
Optionally, the display text of the control panel is: no sand, blockage, normal and standby, and the corresponding colors of the display characters of the control panel are as follows: red, yellow, green, gray.
By adopting the technical scheme, if the monitoring mechanism detects that the sand outlet is free of sand during sand feeding, the control panel displays a red sand-free character; if the monitoring mechanism detects that the sand outlet is blocked during sand feeding, the control panel displays a yellow blocking character; if the monitoring mechanism detects that the sand outlet is normal during sand feeding, the control panel displays a green normal character; if standby, the control panel displays a gray standby character.
Optionally, the monitoring mechanism includes visible light monitoring probe and mediation subassembly, visible light monitoring probe sets up in going out the sand intraductal, the mediation subassembly includes support, pivot, bull stick and driving piece, the support sets up in going out the sand intraductal, the pivot rotates and sets up on the support, the bull stick sets up in the pivot, the driving piece sets up on the sand box, driving piece is connected with the pivot transmission, visible light monitoring probe and driving piece electrical signal connection.
Through adopting above-mentioned technical scheme, when the visible light monitoring probe detects that there is sand body to condense in the play sand pipe, the visible light monitoring probe will signal transmission to the driving piece, driving piece drive pivot rotates, the pivot drives the bull stick and rotates, the bull stick will condense the sand body or block up the stirring of the sand body in play sand pipe when rotating and smash, and then dredge out sand pipe, and then make the sand body flow to the track from going out sand pipe, and then make the locomotive when accelerating or decelerating, increase locomotive and orbital frictional force, and then the potential safety hazard when reducing locomotive operation.
Optionally, the monitoring mechanism further comprises an air pressure sensor and an air pump, wherein the air pressure sensor is arranged in the sand box, the air pump is arranged on the sand box, and the air pressure sensor is connected with the air pump through an electric signal.
By adopting the technical scheme, when the air pressure sensor detects that the air pressure in the sand box is insufficient, the air pressure sensor transmits signals to the air pump, and the air pump pressurizes the interior of the sand box, so that the pressure in the sand box reaches the pressure capable of enabling the sand body to flow out, the sand body can smoothly flow onto a track from the sand outlet pipe, and the potential safety hazard of a locomotive in operation is reduced; when the air pump is used for pressurizing the inside of the sand box, the air pressure sensor continuously detects that the pressure in the sand box is insufficient, the tightness of the sand box is required to be checked after the standby vehicle arrives at a station, and the sand box is repaired in time, so that the potential safety hazard of a locomotive in operation is reduced.
Optionally, the monitoring mechanism further comprises a humidity sensor and a heating pipe, wherein the humidity sensor is arranged inside the sand outlet pipe, the heating pipe is embedded on the inner wall of the sand outlet pipe, and the humidity sensor is electrically connected with the heating pipe.
Through adopting above-mentioned technical scheme, when humidity transducer detects out that the inside humidity of sand pipe is great, humidity transducer will signal transmission to the heating pipe, and the heating pipe heats out the sand pipe, makes the evaporation of water in the heating pipe, and then reduces out the humidity of sand pipe, and then reduces the probability that the sand body condenses in going out the sand pipe, and then makes the sand body more smooth follow out the sand pipe flow on the track.
Optionally, the system further comprises a control system, wherein the control system comprises;
a main control module;
the input end of the comparison module is electrically connected with the air pressure sensor, the output end of the comparison module is electrically connected with the main control module, the input end of the comparison module is also electrically connected with the humidity sensor, and the output end of the comparison module is electrically connected with the main control module and is used for comparing the humidity and the pressure of the sand outlet pipe with preset values;
the input end of the main control module is connected with the output end of the comparison module, the input end of the main control module is also connected with the visible light monitoring probe through an electric signal, and the output end of the main control module is connected with the air pump, the heating pipe and the driving piece through electric signals and is used for pressurizing, heating and dredging the sand outlet pipe.
Through adopting above-mentioned technical scheme, humidity transducer and air pressure sensor will examine the information transfer and compare the module, compare the module with detection information and default to with comparison result transfer to main control module, the visible light monitoring probe will detect sand body state information transfer to main control module, main control module control air pump pressurizes the sand box, main control module control heating pipe heats the play sand pipe, main control module control driving piece is dredged the play sand pipe.
In summary, the beneficial effects of the application are:
1. because the monitoring mechanism monitors the sand outlet state in real time, the sand outlet state is used for judging sand faults, and after the locomotive stops, the locomotive is maintained in time according to the faults detected by the monitoring mechanism, so that the maintenance time is shortened, and the probability of late points of the locomotive is further reduced.
2. When the air pressure sensor detects that the air pressure in the sand box is insufficient, the air pressure sensor transmits signals to the air pump, and the air pump pressurizes the interior of the sand box, so that the pressure in the sand box reaches the pressure capable of enabling the sand body to flow out, the sand body can smoothly flow onto a track from the sand outlet pipe, and potential safety hazards of a locomotive in running are reduced; when the air pump is used for pressurizing the inside of the sand box, the air pressure sensor continuously detects that the pressure in the sand box is insufficient, the tightness of the sand box is required to be checked after the standby vehicle arrives at a station, and the sand box is repaired in time, so that the potential safety hazard of a locomotive in operation is reduced.
3. When the visible light monitoring probe detects that sand bodies are condensed in the sand outlet pipe, the visible light monitoring probe transmits signals to the driving piece, the driving piece drives the rotating shaft to rotate, the rotating shaft drives the rotating rod to rotate, the rotating rod stir and crush the condensed sand bodies or the sand bodies blocked in the sand outlet pipe when rotating, the sand outlet pipe is dredged, the sand bodies are further led to flow onto the track from the sand outlet pipe, the friction force between the locomotive and the track is increased when the locomotive accelerates or decelerates, and potential safety hazards when the locomotive runs are further reduced.
Drawings
FIG. 1 is a logic diagram of a monitoring method of the present application;
FIG. 2 is a schematic diagram of the overall structure of the present application;
FIG. 3 is a cross-sectional view taken along the direction A-A of FIG. 2;
FIG. 4 is an enlarged view of portion A of FIG. 3;
fig. 5 is a logic diagram of a control system.
Reference numerals illustrate: 100. a sand box; 200. a sand outlet pipe; 300. a monitoring mechanism; 310. a visible light monitoring probe; 320. a dredging assembly; 321. a bracket; 322. a rotating shaft; 323. a rotating rod; 324. a driving member; 330. a humidity sensor; 340. heating pipes; 350. an air pressure sensor; 360. an air pump.
Detailed Description
The present application is described in further detail below in conjunction with fig. 1-5.
The embodiment of the application discloses a method through monitoring sand state adjustment locomotive system of broadcasting sand, refer to fig. 1, 2, 3, including sand box 100, play sand pipe 200, monitoring mechanism 300, control panel and control system, sand box 100 passes through bolted connection on the locomotive, play sand pipe 200 passes through bolted connection on sand box 100, and play sand pipe 200 and sand box 100 intercommunication, monitoring mechanism 300 sets up in play sand pipe 200 for monitor sand body state, monitoring mechanism 300 and control panel electrical signal connection are used for transmitting the play sand information of monitoring play sand pipe 200 to control panel, control system is used for controlling monitoring mechanism 300.
Referring to fig. 1, after triggering the sanding signal, determining a sand state according to a sand output signal of the monitoring mechanism 300, if the sand output signal is always displayed as not being sanded in a triggering period, which represents insufficient sand outflow or no sand outflow, the monitoring mechanism 300 monitors a sand outlet; if the sand outlet is coagulated by sand, dredging the sand outlet; if the sand outlet is not coagulated, the air pressure of the sand box 100 needs to be adjusted;
if the sand-out signal has sand-out inconsistent with the trigger signal period in the trigger period, the monitoring mechanism 300 monitors the sand-out port; if the monitoring mechanism 300 monitors that the humidity of the sand outlet pipe 200 is high, the sand outlet pipe 200 is dried; if the monitoring mechanism 300 monitors the air leakage of the sand inlet and the sand outlet, repairing the sand inlet;
if the sand-out signal appears the sand-out consistent with the trigger signal period in the trigger period, the control panel displays that the sand is normal.
When the locomotive needs to be started or decelerated, sand needs to be sprayed on the track, friction force between the track and the locomotive is increased, when the locomotive needs to be sprayed with sand, the monitoring mechanism 300 monitors the sand outlet state at any time, the monitoring mechanism 300 transmits the sand outlet information of the monitored sand outlet pipe 200 to the control panel, if the monitoring mechanism 300 monitors that the sand outlet of the sand outlet pipe 200 is coagulated by sand bodies, the coagulation of the sand outlet is dredged after the standby vehicle stops, and if the monitoring mechanism 300 monitors that the sand outlet of the sand outlet pipe 200 is not coagulated by sand bodies, air pressure is applied to the sand box 100; because the monitoring mechanism 300 monitors the sand discharge state in real time, the sand discharge state is used for judging the sand fault and solving the corresponding fault, the locomotive and the track can obtain larger friction force when accelerating or decelerating, and the safety of the locomotive is further improved. When the monitoring mechanism 300 monitors that the humidity of the sand outlet pipe 200 is large, the sand outlet pipe 200 is dried when the locomotive is parked, if the monitoring mechanism 300 monitors that the sand inlet leaks air, the sand inlet is repaired when the locomotive is parked, and because the monitoring mechanism 300 monitors that the humidity of the sand outlet pipe 200 is large and the sand inlet leaks air, the locomotive can dry the sand outlet pipe 200 when the locomotive is parked, the sand inlet is repaired when the standby vehicle is stopped, and the probability of sand interruption when the locomotive is started next time is reduced. If the monitoring mechanism 300 monitors that the sand outlet of the sand outlet pipe 200 is normal, the control panel is displayed as normal.
The display characters of the control panel are as follows: no sand, blockage, normal and standby, and the corresponding colors of the display characters of the control panel are as follows: red, yellow, green, gray.
If the monitoring mechanism 300 detects that the sand outlet is free of sand during sand feeding, the control panel displays a red sand-free character; if the monitoring mechanism 300 detects that the sand outlet is blocked during sand feeding, the control panel displays a yellow blocking character; if the monitoring mechanism 300 detects that the sand outlet is normal during sand feeding, the control panel displays a green normal character; if standby, the control panel displays a gray standby character.
Referring to fig. 2-4, the monitoring mechanism 300 includes a visible light monitoring probe 310, a dredging assembly 320, a humidity sensor 330, a heating pipe 340, an air pressure sensor 350 and an air pump 360, wherein the visible light monitoring probe 310 is connected in the sand outlet pipe 200 through bolts, the dredging assembly 320 includes a bracket 321, a rotating shaft 322, a rotating rod 323 and a driving piece 324, the driving piece 324 is a driving motor, the bracket 321 is connected on an inner arm of the sand outlet pipe 200 through bolts, the rotating shaft 322 is rotatably connected on the bracket 321, the rotating rod 323 is connected on the rotating shaft 322 through bolts, the driving piece 324 is connected on the sand box 100 through bolts, the driving piece 324 is in transmission connection with the rotating shaft 322, and the visible light monitoring probe 310 is in electrical signal connection with the driving piece 324; the air pressure sensor 350 is connected in the sand box 100 through a bolt, the air pump 360 is connected on the sand box 100 through a bolt, and the air pressure sensor 350 is electrically connected with the air pump 360; the humidity sensor 330 is connected inside the sand outlet pipe 200 through a bolt, the heating pipe 340 is embedded on the inner wall of the sand outlet pipe 200, and the humidity sensor 330 is electrically connected with the heating pipe 340.
When the visible light monitoring probe 310 detects that sand bodies are condensed in the sand outlet pipe 200, the visible light monitoring probe 310 transmits signals to the driving piece 324, the driving piece 324 drives the rotating shaft 322 to rotate, the rotating shaft 322 drives the rotating rod 323 to rotate, the rotating rod 323 stirs and pulverizes the condensed sand bodies or the sand bodies blocked in the sand outlet pipe 200 when rotating, the sand outlet pipe 200 is dredged, the sand bodies are further enabled to flow onto a track from the sand outlet pipe 200, and further friction force between a locomotive and the track is increased when the locomotive accelerates or decelerates, and potential safety hazards when the locomotive runs are further reduced.
When the air pressure sensor 350 detects that the air pressure in the sand box 100 is insufficient, the air pressure sensor 350 transmits a signal to the air pump 360, and the air pump 360 pressurizes the interior of the sand box 100, so that the pressure in the sand box 100 reaches the pressure capable of enabling the sand body to flow out, the sand body can smoothly flow onto a track from the sand outlet pipe 200, and potential safety hazards of a locomotive in operation are reduced; when the air pump 360 continuously detects that the pressure in the sand box 100 is insufficient after pressurizing the interior of the sand box 100, the air pressure sensor 350 is required to check the tightness of the sand box 100 after waiting for the vehicle to arrive at a station and repair the sand box in time, so that the potential safety hazard of a locomotive in operation is reduced.
When humidity sensor 330 detects that the inside humidity of going out sand pipe 200 is great, humidity sensor 330 will signal transmission to heating pipe 340, and heating pipe 340 heats out sand pipe 200, makes the evaporation of water in the heating pipe 340, and then reduces the humidity of going out sand pipe 200, and then reduces the probability that the sand body condenses in going out sand pipe 200, and then makes the sand body more smooth follow out sand pipe 200 flow on the track.
Referring to fig. 5, the control system includes;
a main control module;
the input end of the comparison module is electrically connected with the air pressure sensor 350, the output end of the comparison module is electrically connected with the main control module, the input end of the comparison module is also electrically connected with the humidity sensor 330, and the output end of the comparison module is electrically connected with the main control module and is used for comparing the humidity and the pressure of the sand outlet pipe 200 with preset values;
the input end of the main control module is connected with the output end of the comparison module, the input end of the main control module is also connected with the visible light monitoring probe 310 in an electric signal manner, and the output end of the main control module is connected with the air pump 360, the heating pipe 340 and the driving piece 324 in an electric signal manner and is used for pressurizing, heating and dredging the sand outlet pipe 200.
The humidity sensor 330 and the air pressure sensor 350 transmit the detected information to a comparison module, the comparison module compares the detected information with a preset value, and transmits the comparison result to a main control module, the visible light monitoring probe 310 transmits the detected sand state information to the main control module, the main control module controls the air pump 360 to pressurize the sand box 100, the main control module controls the heating pipe 340 to heat the sand outlet pipe 200, and the main control module controls the driving piece 324 to dredge the sand outlet pipe 200.
The invention discloses a method for adjusting a locomotive sanding system by monitoring a sand state, which comprises the following implementation principle:
when the locomotive needs to be started or decelerated, sand needs to be sprayed on the track, friction force between the track and the locomotive is increased, when the locomotive needs to be sprayed with sand, the monitoring mechanism 300 monitors the sand outlet state at any time, the monitoring mechanism 300 transmits the sand outlet information of the monitored sand outlet pipe 200 to the control panel, if the monitoring mechanism 300 monitors that the sand outlet of the sand outlet pipe 200 is coagulated by sand bodies, the coagulation of the sand outlet is dredged after the standby vehicle stops, and if the monitoring mechanism 300 monitors that the sand outlet of the sand outlet pipe 200 is not coagulated by sand bodies, air pressure is applied to the sand box 100; because the monitoring mechanism 300 monitors the sand discharge state in real time, the sand discharge state is used for judging the sand fault and solving the corresponding fault, the locomotive and the track can obtain larger friction force when accelerating or decelerating, and the safety of the locomotive is further improved. When the monitoring mechanism 300 monitors that the humidity of the sand outlet pipe 200 is large, the sand outlet pipe 200 is dried when the locomotive is parked, if the monitoring mechanism 300 monitors that the sand inlet leaks air, the sand inlet is repaired when the locomotive is parked, and because the monitoring mechanism 300 monitors that the humidity of the sand outlet pipe 200 is large and the sand inlet leaks air, the locomotive can dry the sand outlet pipe 200 when the locomotive is parked, the sand inlet is repaired when the standby vehicle is stopped, and the probability of sand interruption when the locomotive is started next time is reduced. If the monitoring mechanism 300 monitors that the sand outlet of the sand outlet pipe 200 is normal, the control panel is displayed as normal.
The foregoing are preferred embodiments of the present application, and are not intended to limit the scope of the present invention in any way, therefore: all equivalent changes in structure, shape and principle of the invention should be covered in the scope of protection of the invention.
Claims (2)
1. A method of adjusting a locomotive sanding system by monitoring a sand condition, comprising: the sand box (100) is arranged on a locomotive, the sand outlet pipe (200) is arranged on the sand box (100), the sand outlet pipe (200) is communicated with the sand box (100), the monitoring mechanism (300) is used for monitoring the state of a sand body, and the monitoring mechanism (300) is electrically connected with the control panel and is used for transmitting sand outlet information of the monitored sand outlet pipe (200) to the control panel;
the monitoring mechanism (300) comprises a visible light monitoring probe (310) and a dredging assembly (320), wherein the visible light monitoring probe (310) is arranged in a sand outlet pipe (200), the dredging assembly (320) comprises a support (321), a rotating shaft (322), a rotating rod (323) and a driving piece (324), the support (321) is arranged in the sand outlet pipe (200), the rotating shaft (322) is rotatably arranged on the support (321), the rotating rod (323) is arranged on the rotating shaft (322), the driving piece (324) is arranged on a sand box (100), the driving piece (324) is in transmission connection with the rotating shaft (322), and the visible light monitoring probe (310) is in electric signal connection with the driving piece (324);
the monitoring mechanism (300) further comprises an air pressure sensor (350) and an air pump (360), wherein the air pressure sensor (350) is arranged in the sand box (100), the air pump (360) is arranged on the sand box (100), and the air pressure sensor (350) is connected with the air pump (360) through an electric signal;
the monitoring mechanism (300) further comprises a humidity sensor (330) and a heating pipe (340), wherein the humidity sensor (330) is arranged inside the sand outlet pipe (200), the heating pipe (340) is embedded on the inner wall of the sand outlet pipe (200), and the humidity sensor (330) is electrically connected with the heating pipe (340);
after triggering the sanding signal, determining a sand state according to the sand output signal of the monitoring mechanism (300):
if the sand-out signal is always displayed as not sand-out in the triggering period, the visible light monitoring probe (310) monitors the sand-out port; if the sand outlet is coagulated, the sand outlet is judged to be blocked, a signal is transmitted to a driving piece (324) by a visible light monitoring probe (310), the driving piece (324) drives a rotating shaft (322) to rotate, the rotating shaft (322) drives a rotating rod (323) to rotate, and the rotating rod (323) stirs and pulverizes the coagulated sand or the sand blocked in a sand outlet pipe (200) when rotating, so that the sand outlet is dredged; if the sand outlet is not condensed by the sand body, when the air pressure sensor (350) detects that the air pressure in the sand box (100) is insufficient, the monitoring system judges that a pipeline is blocked or the air pressure is insufficient, the sand outlet pipe (200) is required to be dredged, the air pressure is adjusted, the air pressure sensor (350) transmits a signal to the air pump (360), the air pump (360) pressurizes the inside of the sand box (100), so that the pressure in the sand box (100) reaches the pressure capable of enabling the sand body to flow out, and further the sand body flows onto a track more smoothly from the sand outlet pipe (200);
if the sand outlet signal generates sand which is inconsistent with the trigger signal period in the trigger period, the monitoring mechanism (300) monitors the sand outlet; if the monitoring mechanism (300) monitors the caking state of the sand body, when the humidity sensor (330) detects that the humidity inside the sand outlet pipe (200) is large, the detecting mechanism judges that the sand outlet pipe (200) is large in humidity, the sand outlet pipe (200) needs to be dried, the humidity sensor (330) transmits signals to the heating pipe (340), the heating pipe (340) heats the sand outlet pipe (200), so that the moisture in the heating pipe (340) is evaporated, the humidity of the sand outlet pipe (200) is reduced, the probability of the sand body being condensed in the sand outlet pipe (200) is reduced, and the sand body is enabled to flow on a track from the sand outlet pipe (200) more smoothly; if the monitoring mechanism (300) monitors the air leakage of the sand inlet and the sand outlet, repairing the sand inlet;
if the sand-out signal appears the sand-out consistent with the trigger signal period in the trigger period, the control panel displays that the sand is normal.
2. A method of adjusting a locomotive sanding system by monitoring a sand condition as defined in claim 1 wherein: the display characters of the control panel are as follows: no sand, blockage, normal and standby, and the corresponding colors of the display characters of the control panel are as follows: red, yellow, green, gray.
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| CN116985849A (en) * | 2023-08-07 | 2023-11-03 | 长沙润伟机电科技有限责任公司 | Sand amount control and adjustment structure for railway vehicle sand spreading device |
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| JPH0285427A (en) * | 1988-09-21 | 1990-03-26 | Mitsui Eng & Shipbuild Co Ltd | Tank change-over method in mud pressure feed device |
| CN111619592A (en) * | 2020-04-16 | 2020-09-04 | 淮南师范学院 | Locomotive sanding track alignment control device |
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