CN113758449B - Derailment prevention detection system and detection method for traveling crane on track - Google Patents
Derailment prevention detection system and detection method for traveling crane on track Download PDFInfo
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- CN113758449B CN113758449B CN202111033474.2A CN202111033474A CN113758449B CN 113758449 B CN113758449 B CN 113758449B CN 202111033474 A CN202111033474 A CN 202111033474A CN 113758449 B CN113758449 B CN 113758449B
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- derailment
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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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- 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 ranging sensor group arranged below a traveling crane wheel group, a monitoring system in wireless connection with the ranging sensor group and a reflecting plate paved on the track, wherein the reflecting plate is arranged below the ranging sensor group, and the monitoring system is used for receiving feedback information of the ranging sensor group and judging whether the traveling crane derails or not. According to the invention, the reflecting plate is arranged parallel to the track, the distance measuring sensor monitors the monitoring point in front of the driving wheel set in real time, and judges whether the transverse displacement is excessive and whether the track is excessively deformed or not when the driving wheel set operates according to the coordinates of the monitoring point, so that the driving derailment is prevented in advance; the distance measuring sensor can be used for continuously monitoring during running, so that the problem that the parking inspection influences the service efficiency of equipment is solved; the running state of the running wheel set is monitored in real time, and the situation that potential safety hazards possibly exist during regular checking intervals of professionals 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 travelling crane is an important tool and equipment for realizing mechanization and automation of the production process in modern industrial production and lifting transportation, and is widely applied to departments and places such as indoor and outdoor industrial and mining enterprises, steel, chemical industry, railway traffic, ports and wharfs, logistics turnover and the like.
In the actual use process, the running vehicle is frequently operated, the torque and vibration of each shaft of the wheel set can be increased due to repeated reverse emergency stop and stopping, the leakage condition is easy to cause, the axial displacement of the wheels is overlarge, the track is deformed, and the running vehicle is derailed in the running process due to serious conditions, so that the running vehicle needs to be regularly subjected to safety inspection to ensure the running state of the running vehicle. The disadvantage of doing so is: 1. during the inspection, the equipment stops running, and the running and use of the equipment are affected; 2. professional staff is required to check, the checking time is long, and the working efficiency of staff is low; 3. only during the parking check can the problems be found, the monitoring cannot be carried out during the operation, and the potential safety hazard still exists during the check interval.
Disclosure of Invention
The invention aims to provide an anti-derailment detection system and an anti-derailment detection method for a traveling crane on a track, which can improve the operation efficiency of the 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, with its 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 judging whether the driving takes place to derail.
The distance measuring sensor group comprises four distance measuring sensors, wherein the four distance measuring sensors are respectively arranged at two sides of the bottom of the first pulley along the track symmetry and two sides of the bottom of the second pulley along the track symmetry.
The reflecting plates are symmetrically paved 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 10mm.
The travelling crane may be a bridge crane.
Also provided is a detection method using an anti-derailment detection system for a track-bound vehicle as described above, comprising the steps of:
selecting a point of a preset distance in front of a projection point of any ranging sensor on the first pulley on the reflecting plate on one side as a first monitoring point, selecting a point of a preset distance in front of the projection point of the ranging sensor on the same side on the reflecting plate on the second pulley as a second monitoring point, and selecting a point symmetrical to the first monitoring point along a track on the reflecting plate on the other side as a third monitoring point and a point symmetrical to 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 distance measuring 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 running is normal, and no derailment danger exists;
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 in the preset detection width range of the reflecting plate, abnormal running of the travelling crane is judged, derailment danger exists, the travelling crane wheel set is braked emergently, and derailment alarm is sent.
The width of the reflecting plate is related to the width of the travelling wheel set, and the preset distance is related to the width of the travelling wheel set.
The width of the reflecting plate is 10mm.
The preset distance is 1.5m.
Compared with the prior art, the invention has the beneficial effects that:
(1) According to the invention, the reflecting plate is arranged parallel to the track, the distance measuring sensor monitors the monitoring point in front of the driving wheel set in real time, and judges whether the transverse displacement is excessive and whether the track is excessively deformed or not when the driving wheel set operates according to the coordinates of the monitoring point, so that the derailment of the driving is prevented in advance.
(2) Through the range sensor, uninterrupted monitoring can be carried out in the running process, and the problem that parking inspection influences the service efficiency of equipment is solved.
(3) The running state of the running wheel set is monitored in real time, and the situation that potential safety hazards possibly exist during regular checking intervals of professionals is solved.
Drawings
FIG. 1 is a schematic 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 in an embodiment of the invention;
FIG. 5 is a schematic block diagram of a detection method in an embodiment of the invention;
in the figure, a 1-ranging sensor, a 2-reflecting plate, a 3-first monitoring point and a 4-second monitoring point.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention. In addition, the technical features of the embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
Referring to fig. 1 to 5, the invention provides an anti-derailment detection system and a detection method thereof for a traveling crane on a track, in which the traveling crane is a bridge crane in an embodiment, the bridge crane comprises a ranging sensor 1, a reflecting plate 2, a first monitoring point 3 and a second monitoring point 4 (in the figure, the monitoring system, a third monitoring point and a fourth monitoring point are not marked).
In one embodiment of the invention, the working principle and working process of the invention are as follows:
1. and a front distance measuring sensor and a back distance measuring sensor 1 are arranged below the wheel group protective shells on two sides of the crane.
2. And paving the reflecting plates 2 on the basis of the rails at the two sides of the crane. The reflecting plate 2 is positioned vertically below the ranging sensor 1, and the ranging sensor 1 and the reflecting plate 2 are arranged in parallel with the track. In this embodiment, the width of the reflection plate 2 is set to 10mm according to the width of the wheel set.
3. The detection angle of the ranging sensor 1 is adjusted so that the detection point of the ranging sensor is positioned on the central axis of the reflecting plate 2 and a certain distance is reserved in front of the projection point of the ranging sensor 1 on the reflecting plate 2. In this example, the detection point is 1.5m in front of the projection point of the reflection plate 2 from the sensor 1.
4. The distance measuring sensors 1 arranged below the wheel group protective shells on two sides of the crane are symmetrically arranged. The detection angles of the front and rear ranging sensors 1 are the same.
5. The reflecting plates 2 paved on the rail foundations at the two sides of the crane are symmetrically arranged.
6. The crane runs on the track, and the ranging sensor 1 continuously detects monitoring points.
7. The first monitoring point 1 and the second monitoring point 4 of the one side rail are provided with real-time coordinates A1 and A2, and the third monitoring point and the fourth monitoring point of the other side rail are provided with real-time coordinates B1 and B2.
8. The real-time coordinates A1, A2, B1, B2 are input to the monitoring determination unit.
9. When either 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 run normally, and no derailment danger exists.
10. When the real-time coordinates A1 and A2 are both outside the width range of the reflecting plate 2, the crane is judged to be abnormal in operation and has derailment danger, the operation of the crane wheel set is braked, and an alarm notification is sent out.
11. And the real-time coordinates B1 and B2 are monitored and judged in the same steps 9-10.
It will be readily appreciated by those skilled in the art that the foregoing description is merely a preferred embodiment of the invention and is not intended to limit the invention, but any modifications, equivalents, improvements or alternatives falling within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (9)
1. The derailment prevention detection method for the travelling crane on the track is characterized by being applied to a derailment prevention detection system for the travelling crane on the track, wherein the derailment prevention detection system comprises a ranging sensor group arranged below a travelling crane wheel group, a monitoring system in wireless connection with the ranging sensor group and a reflecting plate paved on the track, the reflecting plate is arranged below the ranging sensor group, and the monitoring system is used for receiving feedback information of the ranging sensor group and judging whether the travelling crane is derailed or not; the distance measuring sensor group comprises four distance measuring sensors which are respectively arranged at two sides of the bottom of the first pulley along the track symmetry and two sides of the bottom of the second pulley along the track symmetry; the derailment prevention detection method comprises the following steps:
selecting a point of a preset distance in front of a projection point of any ranging sensor on the first pulley on the reflecting plate on one side as a first monitoring point, selecting a point of a preset distance in front of the projection point of the ranging sensor on the same side on the reflecting plate on the second pulley as a second monitoring point, and selecting a point symmetrical to the first monitoring point along a track on the reflecting plate on the other side as a third monitoring point and a point symmetrical to 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 distance measuring 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 is in the preset detection width range of the reflecting plate and any one of the real-time coordinates B1 and B2 on the other side is in the preset detection width range of the reflecting plate, judging that the running is normal and no derailment danger exists;
when the real-time coordinates A1 and A2 on the same side are not in the preset detection width range of the reflecting plate, or the real-time coordinates B1 and B2 on the other side are not in the preset detection width range of the reflecting plate, judging that the running is abnormal, and if derailment danger exists, emergency braking a running wheel set and sending a derailment alarm.
2. The derailment detection method for a traveling crane on a track according to claim 1, wherein the width of the reflection plate is related to a traveling wheel set width, and the preset distance is related to the traveling wheel set width.
3. The derailment detection method for a track-mounted vehicle according to claim 2, wherein the width of the reflection plate is 10mm.
4. Derailment detection method for a track-bound vehicle according to claim 2, characterized in that the preset distance is 1.5m.
5. Derailment detection system for a track-bound vehicle, characterized in that it uses a derailment detection method for a track-bound vehicle according to claim 1.
6. The derailment detection system of claim 5, wherein the reflective plates are symmetrically laid on both sides of the track.
7. The derailment detection system of claim 5, wherein the width of the reflective plate is related to a wheelset width.
8. The derailment detection system of claim 7, wherein the reflective plate has a width of 10mm.
9. The derailment detection system of claim 5, wherein the crane is a bridge crane.
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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 true CN113758449B (en) | 2023-06-27 |
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