CN108975163B - Method for detecting running safety of wheel set of bridge crane - Google Patents
Method for detecting running safety of wheel set of bridge crane Download PDFInfo
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- CN108975163B CN108975163B CN201811159933.XA CN201811159933A CN108975163B CN 108975163 B CN108975163 B CN 108975163B CN 201811159933 A CN201811159933 A CN 201811159933A CN 108975163 B CN108975163 B CN 108975163B
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- bridge crane
- alarm
- wheel set
- proximity switch
- running
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
- B66C9/08—Runners; Runner bearings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/16—Applications of indicating, registering, or weighing devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C15/00—Safety gear
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control And Safety Of Cranes (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The invention discloses a method for detecting the running safety of a wheel set of a bridge crane, which comprises the following steps: when the bridge crane runs, the distance of the axial displacement of the wheels is detected by the inductive proximity switch, and when the axial displacement distance of the wheels exceeds the set displacement allowable deviation, the alarm indicator lamp is turned on, and the alarm horn gives an alarm; when the bridge crane runs, a free field measurement microphone detects the running noise value of the wheel set, and when the noise value is increased to exceed the set allowable deviation, an alarm indicator lamp is turned on, and an alarm horn gives an alarm; when the bridge crane runs, the infrared thermometer detects the running temperature of the wheel set, and when the temperature of each component in the wheel set rises to exceed the set running temperature allowable deviation due to serious friction, the alarm indicator lights up, and the alarm horn gives an alarm. The crane operation real-time monitoring during working improves the equipment operation efficiency and reduces the potential safety hazard of the bridge crane.
Description
Technical Field
The invention relates to the technical field of hoisting machinery, in particular to a method for detecting the running safety of a wheel set of a bridge crane.
Background
The bridge crane is a bridge crane, also called overhead traveling crane, in which a bridge runs on an overhead rail. The bridge frame of the bridge crane runs longitudinally along the rails laid on the elevated frames at two sides, and the trolley runs transversely along the rails laid on the bridge frame to form a rectangular working range, so that the space below the bridge frame can be fully utilized to hoist materials without being hindered by ground equipment. The crane is an important tool and equipment for realizing mechanization and automation of the production process in modern industrial production and hoisting transportation, so that the bridge crane is widely applied to indoor and outdoor industrial and mining enterprises, steel and iron, chemical engineering, railway transportation, ports and docks, logistics turnover and other departments and places.
The main motor wheel set of the bridge crane runs frequently, 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 axial displacement of the wheel is overlarge (the wheel is derailed seriously), a bearing is broken, and each part is seriously deformed and abraded due to friction, so that the safety inspection is required to be carried out regularly to ensure the running state of the bridge crane. The traditional safety inspection mode is that the bridge crane stops running, and a professional is arranged to go to the track of the bridge crane to inspect the wheel set of the crane. The disadvantages of this are: 1. during inspection, the bridge crane stops running, so that the running and use of equipment are influenced; 2. professional personnel are required to check, the checking time is long, and the working efficiency of the personnel is low; 3. the inspection personnel carry out the inspection in high altitude, and the working environment is dangerous; 4. 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 solve the technical problem that the method for detecting the running safety of the wheel set of the bridge crane is provided aiming at the defects in the prior art, can monitor the running safety of the crane in real time, avoids the low efficiency of manual inspection and the potential safety hazard of overhead operation, improves the running efficiency of equipment and reduces the potential safety hazard of the bridge crane.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a method for detecting the running safety of a wheel set of a bridge crane comprises the following steps of:
1) setting initialization parameters of an infrared thermometer, a free field measurement microphone and an inductive proximity switch;
2) when the bridge crane runs, the distance of the axial displacement of the wheels is detected by the inductive proximity switch, and when the axial displacement distance of the wheels exceeds the set displacement allowable deviation, the alarm indicator lamp is turned on, and the alarm horn gives an alarm;
3) when the bridge crane runs, a free field measurement microphone detects the running noise value of the wheel set, and when the noise value is increased to exceed the set allowable deviation, an alarm indicator lamp is turned on, and an alarm horn gives an alarm;
4) when the bridge crane runs, the infrared thermometer detects the running temperature of the wheel set, and when the temperature of each component in the wheel set rises to exceed the set running temperature allowable deviation due to serious friction, the alarm indicator lights up, and the alarm horn gives an alarm.
According to the technical scheme, in the step 1), the initialization parameters comprise the running temperature of the wheel set, the running noise value and the distance between the wheels and the inductive proximity switch when the bridge crane works normally, the three parameters respectively correspond to the infrared thermometer, the free field measurement microphone and the inductive proximity switch, and the allowable deviation of the three parameters detected by the infrared thermometer, the free field measurement microphone and the inductive proximity switch is set.
According to the technical scheme, the allowable deviation of the temperature detected by the infrared thermometer is adjusted according to different environmental temperatures in summer and winter.
According to the technical scheme, the alarm indicator lamp and the alarm horn are arranged in a bridge crane cab.
According to the above technical solution, in the step 3), when the wheel bearing is broken or the bearing lubrication is insufficient, the noise value is increased beyond the set allowable deviation.
According to the technical scheme, a support is arranged on the outer side of a wheel set of the bridge crane, an infrared thermometer, a free field measurement microphone and an inductive proximity switch are fixedly arranged on the support, and the infrared thermometer, the free field measurement microphone and the inductive proximity switch are aligned with an axle of the wheel set.
The invention has the following beneficial effects:
the method monitors the running state of the wheel set of the bridge crane in real time through the external temperature measuring instrument, the free field measuring microphone and the inductive proximity switch, and alarms through the alarm indicator lamp and the alarm horn when the abnormal running state is monitored, so that the equipment is simple to manufacture and operate.
Drawings
FIG. 1 is a schematic diagram of the operation of a wheel set of a bridge crane according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a cab of a bridge crane according to an embodiment of the invention;
FIG. 3 is a schematic view of part A of FIG. 1;
in the figure, 1-bracket, 2-infrared thermometer, 3-free field measuring microphone, 4-inductive proximity switch, 5-alarm indicator lamp, 6-alarm horn and 7-bridge crane wheel set.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and examples.
Referring to fig. 1 to 3, in an embodiment of the invention, an infrared thermometer 2, a free field measurement microphone 3 and an inductive proximity switch 4 are arranged on one side of an axle of a wheel set 7 of a bridge crane, the infrared thermometer 2, the free field measurement microphone 3 and the inductive proximity switch 4 are connected with an alarm indicator lamp 5 and an alarm horn 6, and the method for detecting the running safety of the wheel set 7 of the bridge crane comprises the following steps:
1) setting initialization parameters of the infrared thermometer 2, the free field measurement microphone 3 and the inductive proximity switch 4;
2) when the bridge crane runs, the distance of the axial displacement of the wheels is detected by the inductive proximity switch 4, when the axial displacement distance of the wheels exceeds the set displacement allowable deviation, the alarm indicator lamp 5 is turned on, and the alarm horn 6 gives an alarm;
3) when the bridge crane runs, the free field measurement microphone 3 detects the running noise value of the wheel set, when the noise value is increased to exceed the set allowable deviation, the alarm indicator lamp 5 is turned on, and the alarm horn 6 gives an alarm;
4) when the bridge crane runs, the infrared thermometer 2 detects the running temperature of the wheel set, and when the temperature of each component in the wheel set rises to exceed the set running temperature allowable deviation due to serious friction, the alarm indicator lamp 5 lights up, and the alarm horn 6 gives an alarm.
Further, in the step 1), the initialization parameters include an operating temperature of the wheel set, an operating noise value and a distance between the wheel and the inductive proximity switch 4 when the bridge crane works normally, the three parameters respectively correspond to the infrared thermometer 2, the free field measurement microphone 3 and the inductive proximity switch 4, and allowable deviations of the three parameters detected by the infrared thermometer 2, the free field measurement microphone 3 and the inductive proximity switch 4 are set.
Furthermore, the allowable deviation of the temperature detected by the infrared thermometer 2 is adjusted in time according to the difference of the environmental temperature in summer and winter.
Further, an alarm indicator lamp 5 and an alarm horn 6 are arranged in a bridge crane cab; the alarm indicator lamp 5 and the alarm horn 6 are in circuit connection with the infrared thermometer 2, the free field measurement microphone 3 and the inductive proximity switch 4.
Further, in the step 3), when the wheel bearing is cracked or the bearing lubrication is insufficient, the noise value is increased beyond the set allowable deviation.
Furthermore, a support 1 is arranged on the outer side of a wheel set 7 of the bridge crane, an infrared thermometer 2, a free field measuring microphone 3 and an inductive proximity switch 4 are fixedly arranged on the support 1, and the infrared thermometer 2, the free field measuring microphone 3 and the inductive proximity switch 4 are aligned with an axle of the wheel set.
In conclusion, the running state of the wheel set 7 of the bridge crane is parameterized, and the monitoring condition is real and reliable; the infrared thermometer 2, the free field measuring microphone 3 and the inductive proximity switch 4 can be used for uninterrupted monitoring during the running period of the crane, so that the problem that the parking inspection affects the use efficiency of equipment is solved; when the abnormal operation parameters are monitored, the alarm indicator lamp 5 and the alarm horn 6 give an alarm, so that a crane operator can receive information to know the abnormal operation condition without the participation of professional personnel, and the personnel efficiency is improved; the high altitude of personnel is not required to be arranged for inspection, so that the potential safety hazard of high altitude operation is solved; the running state of the wheel set 7 of the bridge crane is monitored in real time, and the situation that potential safety hazards possibly exist during regular inspection intervals of professionals is solved.
The above is only a preferred embodiment of the present invention, and certainly, the scope of the present invention should not be limited thereby, and therefore, the present invention is not limited by the scope of the claims.
Claims (5)
1. The method for detecting the running safety of the wheel set of the bridge crane is characterized in that an infrared thermometer, a free field measurement microphone and an inductive proximity switch are arranged on one side of an axle of the wheel set of the bridge crane, the infrared thermometer, the free field measurement microphone and the inductive proximity switch are connected with an alarm indicating lamp and an alarm horn, and the method for detecting the running safety of the wheel set of the bridge crane comprises the following steps:
1) setting initialization parameters of an infrared thermometer, a free field measurement microphone and an inductive proximity switch;
2) when the bridge crane runs, the distance of the axial displacement of the wheels is detected by the inductive proximity switch, and when the axial displacement distance of the wheels exceeds the set displacement allowable deviation, the alarm indicator lamp is turned on, and the alarm horn gives an alarm;
3) when the bridge crane runs, a free field measurement microphone detects the running noise value of the wheel set, and when the noise value is increased to exceed the set allowable deviation, an alarm indicator lamp is turned on, and an alarm horn gives an alarm;
4) when the bridge crane runs, the running temperature of the wheel set is detected by the infrared thermometer, and when the temperature rise of each component in the wheel set is caused by serious friction and exceeds the set running temperature allowable deviation, the alarm indicator lamp is turned on, and the alarm horn gives an alarm;
in the step 1), the initialization parameters include the running temperature of the wheel set, the running noise value and the distance between the wheels and the inductive proximity switch when the bridge crane works normally, the three parameters respectively correspond to the infrared thermometer, the free field measurement microphone and the inductive proximity switch, and the allowable deviation of the three parameters detected by the infrared thermometer, the free field measurement microphone and the inductive proximity switch is set.
2. The method for detecting the operational safety of a wheel set of a bridge crane according to claim 1, wherein the allowable deviation of the detected temperature of the infrared thermometer is adjusted according to the environmental temperature.
3. The method for safety inspection of the operation of a wheel set of a bridge crane according to claim 1, wherein the warning indicator and the warning horn are disposed in a cab of a bridge crane driver.
4. The method for detecting the operational safety of a wheel set of a bridge crane according to claim 1, wherein in step 3), when the wheel bearing is broken or the bearing is not lubricated enough, the noise level is increased beyond the set allowable deviation.
5. The method for detecting the running safety of the wheel set of the bridge crane according to claim 1, wherein a support is provided outside the wheel set of the bridge crane, the infrared thermometer, the free field measurement microphone and the inductive proximity switch are fixedly arranged on the support, and the infrared thermometer, the free field measurement microphone and the inductive proximity switch are aligned with the axle of the wheel set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811159933.XA CN108975163B (en) | 2018-09-30 | 2018-09-30 | Method for detecting running safety of wheel set of bridge crane |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811159933.XA CN108975163B (en) | 2018-09-30 | 2018-09-30 | Method for detecting running safety of wheel set of bridge crane |
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| Publication Number | Publication Date |
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| CN108975163A CN108975163A (en) | 2018-12-11 |
| CN108975163B true CN108975163B (en) | 2020-09-22 |
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| CN201811159933.XA Active CN108975163B (en) | 2018-09-30 | 2018-09-30 | Method for detecting running safety of wheel set of bridge crane |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112079262B (en) * | 2020-08-10 | 2023-04-25 | 陈飞 | Hoisting machinery cart walking unbalance monitoring method and system |
| CN112960560B (en) * | 2021-02-07 | 2023-08-01 | 永富建工集团有限公司 | Door type lifting equipment detection system and method |
| CN113353802B (en) * | 2021-05-17 | 2022-09-16 | 唐山不锈钢有限责任公司 | Device and method for automatically judging degradation of crown block wheel and track |
| CN114104968B (en) * | 2021-12-31 | 2023-08-08 | 河南省发达起重机有限公司 | Bridge crane locomotive wheelset structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB2367370B (en) * | 2000-09-28 | 2004-02-04 | Caterpillar Inc | Method and apparatus configured to perform viscosity compensation for a payload measurement system |
| EP2459430B1 (en) * | 2009-07-29 | 2019-11-20 | Wabtec Control Systems Pty Ltd | Method for monitoring condition of rail car bearings |
| CN102815613A (en) * | 2012-08-15 | 2012-12-12 | 泰州市腾发建筑机械有限公司 | Crane monitoring system |
| CN203490074U (en) * | 2013-10-26 | 2014-03-19 | 李光 | Bearing fault detection system for locomotive wheel set |
| CN207351563U (en) * | 2017-09-28 | 2018-05-11 | 清华大学 | A kind of vehicle axles multiple point temperature measurement device based on infrared multispectral |
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