CN113758449A - Anti-derailment detection system and detection method for traveling crane on track - Google Patents
Anti-derailment detection system and detection method for traveling crane on track Download PDFInfo
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- CN113758449A CN113758449A CN202111033474.2A CN202111033474A CN113758449A CN 113758449 A CN113758449 A CN 113758449A CN 202111033474 A CN202111033474 A CN 202111033474A CN 113758449 A CN113758449 A CN 113758449A
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- track
- derailment
- reflecting plate
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- monitoring point
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/32—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring the deformation in a solid
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- General Physics & Mathematics (AREA)
- Control And Safety Of Cranes (AREA)
Abstract
The invention discloses an anti-derailment detection system for a traveling crane on a track, which comprises a distance measurement sensor group arranged below a traveling crane wheel group, a monitoring system wirelessly connected with the distance measurement sensor group and a reflecting plate paved on the track, wherein the reflecting plate is arranged below the distance measurement sensor group, and the monitoring system is used for receiving feedback information of the distance measurement sensor group and judging whether the traveling crane is derailed or not. According to the invention, the reflecting plates are arranged in parallel to the track, the distance measuring sensor monitors the monitoring points in front of the traveling wheel set in real time, and the coordinates of the monitoring points are used for judging whether the transverse displacement of the traveling wheel set is overlarge during operation and whether the track is overlarge in deformation, so that the traveling derailment is prevented in advance; through the distance measuring sensor, uninterrupted monitoring can be carried out during the running of the vehicle, and the problem that the service efficiency of equipment is influenced by parking inspection is solved; the running state of the running wheel set is monitored in real time, and the potential safety hazard condition possibly existing during the regular inspection interval of a professional is solved.
Description
Technical Field
The invention belongs to the field of track detection, and particularly relates to an anti-derailment detection system and method for a traveling crane on a track.
Background
The traveling crane is an important tool and equipment for realizing mechanization and automation of the production process in modern industrial production and hoisting transportation, and is widely applied to indoor and outdoor industrial and mining enterprises, steel and iron industries, chemical industries, railway transportation, ports and docks, logistics turnover and other departments and places.
In the actual use process, the driving is frequently operated, and the torque and vibration of each shaft of the wheel set are increased due to repeated reversal sudden stop and parking, so that the leakage condition is easily caused, the conditions of overlarge axial displacement of the wheels and track deformation are caused, the driving is derailed in the operation process due to serious conditions, and the safety inspection is required to be regularly carried out to ensure the operation state of the driving. The disadvantages of this are: 1. during the inspection, the equipment stops running to influence the running and use of the equipment; 2. professional personnel are required to check, the checking time is long, and the working efficiency of the personnel is low; 3. the problems can be found only when parking is checked, monitoring cannot be carried out in the operation process, and potential safety hazards still exist during the checking interval.
Disclosure of Invention
The invention aims to provide an anti-derailment detection system and an anti-derailment detection method for a crane on a track, which can improve the operation efficiency of equipment on the premise of meeting the operation safety of hoisting equipment.
In order to solve the technical problems, the technical scheme of the invention is as follows: the utility model provides an anticreep rail detecting system for driving on track, is including setting up the range finding sensor group in driving wheelset below, rather than wireless connection's monitored control system and lay the reflecting plate on the track, the reflecting plate sets up in range finding sensor group below, and monitored control system is used for receiving the feedback information of range finding sensor group and judges whether the driving takes place to derail.
The distance measuring sensor group comprises four distance measuring sensors, wherein one distance measuring sensor is respectively arranged on two sides of the bottom of the first pulley along the track and two sides of the bottom of the second pulley along the track.
The reflecting plates are symmetrically laid on two sides of the track.
The width of the reflecting plate is related to the width of the travelling wheel set.
The width of the reflecting plate is 10 mm.
The travelling crane may be a bridge crane.
The detection method utilizing the anti-derailment detection system for the track crane comprises the following steps:
selecting a point which is a preset distance ahead of a projection point of any distance measuring sensor on the first pulley on the reflecting plate on one side of the reflecting plate as a first monitoring point, selecting a point which is a preset distance ahead of a projection point of the distance measuring sensor on the same side on the second pulley on the reflecting plate as a second monitoring point, selecting a point which is symmetrical with the first monitoring point along a track on the other side of the reflecting plate as a third monitoring point, and selecting a point which is symmetrical with the second monitoring point along the track as a fourth monitoring point;
acquiring a first monitoring point real-time coordinate A1, a second monitoring point real-time coordinate A2, a third monitoring point real-time coordinate B1 and a fourth monitoring point real-time coordinate B2 through a ranging sensor group, and judging the real-time coordinates by a monitoring system;
when any one of the real-time coordinates A1 and A2 on the same side and any one of the real-time coordinates B1 and B2 on the other side are within the preset detection width range of the reflecting plate, judging that the traveling crane runs normally without derailment danger;
when any one of the real-time coordinates A1 and A2 on the same side or any one of the real-time coordinates B1 and B2 on the other side is not within the preset detection width range of the reflecting plate, judging that the running is abnormal and a derailment danger exists, emergently braking a running wheel set, and sending a derailment alarm.
The width of reflecting plate is relevant with driving wheelset width, and the preset distance is relevant with driving wheelset width.
The width of the reflecting plate is 10 mm.
The preset distance is 1.5 m.
Compared with the prior art, the invention has the beneficial effects that:
(1) according to the invention, the reflecting plates are arranged in parallel to the track, the distance measuring sensor monitors the monitoring points in front of the traveling wheel set in real time, and the transverse displacement and the deformation of the track during the operation of the traveling wheel set are judged according to the coordinates of the monitoring points, so that the traveling derailment is prevented in advance.
(2) Through range finding sensor, can carry out incessant control during the driving operation, solved the condition that the parking inspection influences equipment availability factor.
(3) The running state of the running wheel set is monitored in real time, and the potential safety hazard condition possibly existing during the regular inspection interval of a professional is solved.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a front view of an embodiment of the present invention;
FIG. 3 is a side view of an embodiment of the present invention;
FIG. 4 is a partial block diagram of a first monitoring point on a reflector plate in an embodiment of the present invention;
FIG. 5 is a functional block diagram of a detection method in an embodiment of the present invention;
in the figure, 1 is a distance measuring sensor, 2 is a reflecting plate, 3 is a first monitoring point, and 4 is a second monitoring point.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Referring to fig. 1 to 5, the present invention provides an anti-derailment detection system for a traveling crane on a track and a detection method thereof, in an embodiment, the traveling crane is a bridge crane, and includes a distance measurement sensor 1, a reflection plate 2, a first monitoring point 3, and a second monitoring point 4 (in the figures, the monitoring system, the third monitoring point, and the fourth monitoring point are not labeled).
In one embodiment of the present invention, the working principle and working process of the present invention are as follows:
1. two distance measuring sensors 1 are arranged in front of and behind the wheel set protection shell on two sides of the crane.
2. And laying reflecting plates 2 on the basis of the rails on the two sides of the crane. The reflecting plate 2 is located in the vertical lower part of the distance measuring sensor 1, and the distance measuring sensor 1 and the reflecting plate 2 are arranged in parallel with the track. In this embodiment, the width of the reflecting plate 2 is set to 10mm according to the width of the wheel set.
3. The detection angle of the distance measuring sensor 1 is adjusted to enable the detection point to be located on the axial line of the reflecting plate 2, and a certain distance is reserved in front of the projection point of the distance measuring sensor 1 on the reflecting plate 2. In this example, the detection point is 1.5m in front of the projection point of the reflector plate 2 from the sensor 1.
4. The distance measuring sensors 1 arranged below the wheel set protection shells on the two sides of the crane are symmetrically arranged. The detection angles of the front and the rear distance measuring sensors 1 are the same.
5. The reflecting plates 2 laid on the track bases on the two sides of the crane are symmetrically arranged.
6. The crane runs on the track, and the distance measuring sensor 1 continuously detects the monitoring point.
7. The first monitoring point 1 and the second monitoring point 4 of one side track are real-time coordinates A1 and A2, and the third monitoring point and the fourth monitoring point of the other side track are real-time coordinates B1 and B2.
8. The real-time coordinates A1, A2, B1 and B2 are input into the monitoring and judging unit.
9. When any one of the real-time coordinates A1 and A2 is within the width range of the reflecting plate 2 and the other coordinate is not within the width range of the reflecting plate 2, the crane is judged to normally run without derailing danger.
10. When the real-time coordinates A1 and A2 are outside the width range of the reflecting plate 2, the condition that the crane runs abnormally and has a derailment danger is judged, the crane wheel set is braked, and an alarm notice is sent out.
11. And monitoring and judging real-time coordinates B1 and B2 in the same steps 9-10.
It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. The utility model provides an anticreep rail detecting system for driving on track, its characterized in that, including setting up the range finding sensor group in driving wheelset below, rather than wireless connection's monitored control system and lay the reflecting plate on the track, the reflecting plate sets up in range finding sensor group below, and monitored control system is used for receiving range finding sensor group's feedback information and judges whether the driving takes place the derailment.
2. The derailment prevention detection system for a traveling crane on a track according to claim 1, wherein the ranging sensor set comprises four ranging sensors, one of which is disposed on each of two sides of the bottom of the first pulley that are symmetrical along the track and two sides of the bottom of the second pulley that are symmetrical along the track.
3. The derailment prevention detection system for a track-bound vehicle according to claim 2, wherein the reflective plates are symmetrically laid on both sides of the track.
4. The derailment prevention detection system for a vehicle on a track of claim 1, wherein the width of the reflective plate is related to the width of the running wheel set.
5. The derailment prevention detection system for a vehicle traveling on a track according to claim 4, wherein the width of the reflection plate is 10 mm.
6. An derailment prevention detection system for a carriage on a track as claimed in claim 1, wherein the carriage is a bridge crane.
7. A detection method using an anti-derailment detection system for a vehicle traveling on a track according to claim 1, comprising the steps of:
selecting a point which is a preset distance ahead of a projection point of any distance measuring sensor on the first pulley on the reflecting plate on one side of the reflecting plate as a first monitoring point, selecting a point which is a preset distance ahead of a projection point of the distance measuring sensor on the same side on the second pulley on the reflecting plate as a second monitoring point, selecting a point which is symmetrical with the first monitoring point along a track on the other side of the reflecting plate as a third monitoring point, and selecting a point which is symmetrical with the second monitoring point along the track as a fourth monitoring point;
acquiring a first monitoring point real-time coordinate A1, a second monitoring point real-time coordinate A2, a third monitoring point real-time coordinate B1 and a fourth monitoring point real-time coordinate B2 through a ranging sensor group, and judging the real-time coordinates by a monitoring system;
when any one of the real-time coordinates A1 and A2 on the same side and any one of the real-time coordinates B1 and B2 on the other side are within the preset detection width range of the reflecting plate, judging that the traveling crane runs normally without derailment danger;
when any one of the real-time coordinates A1 and A2 on the same side or any one of the real-time coordinates B1 and B2 on the other side is not within the preset detection width range of the reflecting plate, judging that the running is abnormal and a derailment danger exists, emergently braking a running wheel set, and sending a derailment alarm.
8. The method as claimed in claim 7, wherein the width of the reflector is related to the width of a running wheel set, and the predetermined distance is related to the width of the running wheel set.
9. The detection method according to claim 8, wherein the width of the reflection plate is 10 mm.
10. The detection method according to claim 8, wherein the preset distance is 1.5 m.
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| CN202111033474.2A CN113758449B (en) | 2021-09-03 | 2021-09-03 | Derailment prevention detection system and detection method for traveling crane on track |
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| CN202111033474.2A CN113758449B (en) | 2021-09-03 | 2021-09-03 | Derailment prevention detection system and detection method for traveling crane on track |
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| CN113758449B CN113758449B (en) | 2023-06-27 |
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