阅读说明：本技术 大型冶金铸造起重机吊钩挂罐无线辅助确认方法及装置 (Wireless auxiliary confirmation method and device for hanging tank of large-scale metallurgical casting crane hook ) 是由 王荣强 刘洋 郝枫 宋志明 丛铁地 霍城 于 2021-10-11 设计创作，主要内容包括：本发明提供一种大型冶金铸造起重机吊钩挂罐无线辅助确认方法及装置,所述的方法包括如下步骤：1)在起重机的两个吊钩的板钩处均安装无线发射器及触发器,在司机室安装一套具有无线接收器的辅助确认警报装置；2)当吊钩吊挂钢包时,通过罐体耳轴完全落入板钩底部后,触动触发器,触发器以开关信号的形式给无线发射器信号；3)无线发射器发射无线信号传输至司机室的无线接收器,经过辅助确认警报装置的逻辑判断,确认吊钩是否挂牢,最后发出语音及声光提示信号。避免冶金铸造起重机吊挂钢水包及铁水罐时,出现吊挂不牢、脱钩等现象的发生,杜绝重大安全事故的发生,提高大型冶金铸造起重机运行的安全性。(The invention provides a wireless auxiliary confirmation method and a wireless auxiliary confirmation device for a hook hanging tank of a large metallurgical casting crane, wherein the method comprises the following steps: 1) the method comprises the following steps that a wireless transmitter and a trigger are installed at plate hooks of two lifting hooks of a crane, and an auxiliary confirmation alarm device with a wireless receiver is installed in a cab; 2) when the lifting hook is used for hanging a steel ladle, the trigger is triggered after the trunnion of the tank body completely falls into the bottom of the plate hook, and the trigger gives a signal to the wireless transmitter in the form of a switching signal; 3) the wireless transmitter transmits a wireless signal to the wireless receiver of the cab, and the hook is confirmed whether to be firmly hung or not through logic judgment of the auxiliary confirmation alarm device, and finally a voice and acousto-optic prompt signal is sent out. The phenomena of infirm hanging, unhooking and the like when the metallurgical casting crane hangs the ladle and the hot metal ladle are avoided, the occurrence of major safety accidents is avoided, and the operation safety of the large-scale metallurgical casting crane is improved.)

1. A wireless auxiliary confirmation method for a large-scale metallurgical casting crane hook hanging tank is disclosed, wherein the large-scale metallurgical casting crane comprises two hooks; the method is characterized by comprising the following steps:

1) the method comprises the following steps that a wireless transmitter and a trigger are installed at plate hooks of two lifting hooks of a crane, and an auxiliary confirmation alarm device with a wireless receiver is installed in a cab;

2) when the lifting hook is used for hanging a steel ladle, the trigger is triggered after the trunnion of the tank body completely falls into the bottom of the plate hook, and the trigger gives a signal to the wireless transmitter in the form of a switching signal;

3) the wireless transmitter transmits a wireless signal to the wireless receiver of the cab, and the hook is confirmed whether to be firmly hung or not through logic judgment of the auxiliary confirmation alarm device, and finally a voice and acousto-optic prompt signal is sent out.

2. The device for realizing the wireless auxiliary confirmation method for the large-scale metallurgical casting crane hook tank hanging of the claim 1 is characterized by comprising a wireless transmitter, a trigger and an auxiliary confirmation alarm device; the trigger is connected with the wireless transmitter, and the wireless transmitter is in wireless communication connection with the auxiliary confirmation alarm device.

3. The device for wirelessly and auxiliarily confirming the large metallurgical foundry crane hook tank hanging according to claim 2, wherein the trigger is a mechanical contact switch.

4. The device for wirelessly and auxiliarily confirming the hook tank of the large metallurgical ladle crane according to claim 2, wherein the wireless transmitter is a wireless communication module.

5. The device for wirelessly and auxiliarily confirming the hanging tank of the hook of the large metallurgical casting crane according to claim 2, wherein the auxiliarily confirming alarm device comprises a main control MCU and a wireless receiver and an alarm connected with the main control MCU.

Technical Field

The invention relates to the technical field of electrical control of metallurgical equipment, in particular to a wireless auxiliary confirmation method and device for a hook hanging tank of a large-scale metallurgical casting crane.

Background

At present, large metallurgical casting cranes (the general lifting capacity is over 200 tons) are used for hoisting liquid molten metal in vast metallurgical enterprises, and when heavy molten iron tanks and ladles are hoisted by the large metallurgical casting cranes, because the sight of drivers is limited and the drivers cannot confirm the heavy molten iron tanks in place, the hoisting hooks are easily and firmly hung, and even serious accidents that the heavy tanks are unhooked and fall to the ground are caused.

When the heavy molten iron tank and the steel ladle are hung by the large metallurgical casting crane, the tank body trunnion is triggered after being completely contacted with the crane plate hook (firmly hung), and the wireless signal is transmitted to the alarm prompting device in the cab, so that the real-time monitoring alarm of the heavy molten iron tank or the steel ladle hung by the crane plate hook is realized, and the auxiliary confirmation function is realized.

At present, in the metallurgical industry, no scientific and effective solution and technology capable of solving the problems exist, and the design concept and the technology fill the blank of the industry.

Disclosure of Invention

In order to overcome the defects in the background art, the invention provides a wireless auxiliary confirmation method and a wireless auxiliary confirmation device for a hook hanging tank of a large-scale metallurgical ladle crane, which are used for avoiding the phenomena of infirm hanging, unhooking and the like when a ladle and a hot metal ladle are hung by the metallurgical ladle crane, avoiding the occurrence of major safety accidents and improving the operation safety of the large-scale metallurgical ladle crane.

In order to achieve the purpose, the invention adopts the following technical scheme:

a wireless auxiliary confirmation method for a large-scale metallurgical casting crane hook hanging tank is disclosed, wherein the large-scale metallurgical casting crane comprises two hooks; the method comprises the following steps:

1) the method comprises the following steps that a wireless transmitter and a trigger are installed at plate hooks of two lifting hooks of a crane, and an auxiliary confirmation alarm device with a wireless receiver is installed in a cab;

2) when the lifting hook is used for hanging a steel ladle, the trigger is triggered after the trunnion of the tank body completely falls into the bottom of the plate hook, and the trigger gives a signal to the wireless transmitter in the form of a switching signal;

3) the wireless transmitter transmits a wireless signal to the wireless receiver of the cab, and the hook is confirmed whether to be firmly hung or not through logic judgment of the auxiliary confirmation alarm device, and finally a voice and acousto-optic prompt signal is sent out.

The device for realizing the wireless auxiliary confirmation method for the large metallurgical casting crane hook hanging tank comprises a wireless transmitter, a trigger and an auxiliary confirmation alarm device; the trigger is connected with the wireless transmitter, and the wireless transmitter is in wireless communication connection with the auxiliary confirmation alarm device.

Further, the trigger is a mechanical contact switch.

Furthermore, the wireless transmitter is a wireless communication module.

Furthermore, the auxiliary confirmation alarm device comprises a main control MCU, and a wireless receiver and an alarm connected with the main control MCU.

Compared with the prior art, the invention has the beneficial effects that:

1) the invention adopts direct touch type triggering, has direct and reliable mode, high accuracy and convenient maintenance, and is beneficial to replacement.

2) The wireless transmitting and receiving mode is adopted to solve the communication link between the lifting hook trigger signal and the cab, the system structure is simple, the components are miniaturized, the narrow side face installation of the plate hook is realized, and the lifting operation is not influenced.

3) Aiming at special field environment and process conditions of metallurgical enterprises, related technical parameters of the emitter are optimally designed, and the problems of long-term use of a power supply, stable operation of electronic devices in a high-temperature state and the like are solved.

4) The technical problems that the space position of the electric equipment installed at the plate hook of the crane is difficult, a power supply cannot be arranged, the high temperature resistance is high and the like are effectively solved by adopting the technology of combining the trigger and the high temperature resistant active wireless transmitter, the cost is relatively low, the technical blank of the metallurgical industry is filled, and the popularization is realized.

Drawings

FIG. 1 is a general design diagram of a wireless auxiliary confirmation system for a hanging hook tank of the present invention

FIG. 2 is a layout of the installation of the trigger and launcher on the hook of the present invention;

FIG. 3 is an electrical structure diagram of a wireless auxiliary confirmation device for a hook hanging tank of a large-scale metallurgical casting crane.

1-crane cab 2-crane hook (plate hook) 3-hot metal ladle or ladle 4-auxiliary confirmation alarm device 5-trigger and emitter (including 51-trigger 52-wireless emitter) 6-tank trunnion arranged on the side surface of the plate hook.

Detailed Description

The following detailed description of the present invention will be made with reference to the accompanying drawings.

1-2, a wireless auxiliary confirmation method for a hook hanging tank of a large metallurgical casting crane, wherein the large metallurgical casting crane comprises two hooks; the method comprises the following steps:

1) a wireless transmitter 52 and a trigger 51 are arranged at the plate hook 2 of the two lifting hooks of the crane, and a set of auxiliary confirmation alarm device 4 with a wireless receiver is arranged in the cab 1;

2) when the lifting hook hangs the steel ladle 3, the trigger 51 is touched after the trunnion 6 of the tank body completely falls into the bottom of the plate hook 2, and the trigger 51 gives a signal to the wireless transmitter 52 in the form of a switch signal;

3) the wireless transmitter 52 transmits a wireless signal to the wireless receiver of the cab, and the logic judgment of the auxiliary confirmation alarm device 4 confirms whether the hook is firmly hung, and finally sends out a voice and sound-light prompt signal.

As shown in fig. 1-3, the device for implementing the wireless auxiliary confirmation method for the hook tank of the large metallurgical casting crane comprises a wireless transmitter 52, a trigger 51 and an auxiliary confirmation alarm device 4; the trigger 51 is connected to a wireless transmitter 52, and the wireless transmitter 52 is in wireless communication with the secondary acknowledgement warning unit 4.

The trigger 51 is a mechanical contact switch, and the mechanical contact switch is an integration of a mechanical trigger mechanism and a contact limit switch.

The wireless transmitter 52 is a wireless communication module, and the wireless communication module is an SOC module with a wireless function.

The auxiliary confirmation alarm device 4 comprises a main control MCU, and a wireless receiver and an alarm connected with the main control MCU, wherein the wireless receiver of the auxiliary confirmation alarm device 4 is also a wireless communication module and has the same communication protocol with the wireless communication module in the wireless transmitter.

The application principle of the design is as follows: when the crane hangs the hot metal ladle or the steel ladle 3, the trigger 51 on the side surface of the plate hook is touched after the trunnion 6 of the tank body completely enters the bottom plate of the plate hook 2, the trigger 51 gives a switching signal to the wireless transmitter 52 and transmits the switching signal to the wireless receiver of the cab 1, the wireless receiver confirms whether the lifting hook is firmly hung or not through the logic judgment of the auxiliary confirmation alarm device 4, and finally, a voice and acousto-optic prompt signal is sent out, so that the function of assisting a crane driver to confirm whether the crane is firmly hung on the hot metal ladle or the steel ladle 3 is realized.

The invention adopts direct touch type triggering, has direct and reliable mode, high accuracy and convenient maintenance, and is beneficial to replacement. The wireless transmitting and receiving mode is adopted to solve the communication link between the lifting hook trigger signal and the cab, the system structure is simple, the components are miniaturized, the narrow side face installation of the plate hook is realized, and the lifting operation is not influenced. Aiming at special field environment and process conditions of metallurgical enterprises, related technical parameters of the emitter are optimally designed, and the problems of long-term use of a power supply, stable operation of electronic devices in a high-temperature state and the like are solved. The technical problems that the space position of the electric equipment installed at the plate hook of the crane is difficult, a power supply cannot be arranged, the high temperature resistance is high and the like are effectively solved by adopting the technology of combining the trigger and the high temperature resistant active wireless transmitter, the cost is relatively low, the technical blank of the metallurgical industry is filled, and the popularization is realized.

The above embodiments are implemented on the premise of the technical solution of the present invention, and detailed embodiments and specific operation procedures are given, but the scope of the present invention is not limited to the above embodiments. The methods used in the above examples are conventional methods unless otherwise specified.