CN201553568U - Electronic monitoring network system for safe operation of cranes - Google Patents

Abstract

Translated fromChinese

本实用新型公开一种能实时采集塔式起重机在顶升作业、拆卸以及提升作业过程中的转台角度、幅度、提升重量以及塔身倾角等信息，进而进行综合分析、判断，及时对可能导致倾覆的危险动作进行控制、报警并锁定，同时还可通过GPRS网络建立与客户监控屏平台之间的数据通道的起重机安全作业电子监控网络化系统。设有安装在起重机上的多个传感器通过扩展模块与可编程序控制器相接，可编程序控制器与多个继电器相接，可编程序控制器通过故障诊断电路与继电器接点电路相接，与可编程序控制器相接有蜂鸣器、显示屏与存储设备及GPRS发射终端并设有与GPRS发射终端相对应的数据库服务器及客户终端。

The utility model discloses a method that can collect in real time information such as the angle, amplitude, lifting weight, tower body inclination and other information of a tower crane during the jacking operation, disassembly and lifting operation, and then carry out comprehensive analysis and judgment, and timely correct the possible overturning. It can control, alarm and lock the dangerous actions of cranes. At the same time, it can also establish a data channel with the customer's monitoring screen platform through the GPRS network. It is an electronic monitoring network system for crane safety operations. Multiple sensors installed on the crane are connected to the programmable controller through the expansion module, the programmable controller is connected to multiple relays, and the programmable controller is connected to the relay contact circuit through the fault diagnosis circuit. A buzzer, a display screen, a storage device and a GPRS transmitting terminal are connected with the programmable controller, and a database server and a client terminal corresponding to the GPRS transmitting terminal are provided.

Description

Crane safe operation electronic monitoring networking system

Technical field:

The utility model relates to a kind of crane safe operation watch-dog, especially a kind of tower crane of gathering in real time is in jacking operation, dismounting and promote information such as turntable angle, amplitude, lifting weight and body of the tower inclination angle in the operation process, and then carry out comprehensive analyses, judgement, in time the dangerous play that may cause toppling is controlled, reported to the police and locks, simultaneously also can be by the crane safe operation electronic monitoring networking system of the data channel between GPRS network foundation and the client's monitor screen platform.

Background technology:

Along with development of economic construction, the application of tower crane is also more general.The structure of tower crane and operating process are all comparatively complicated, and a plurality of actuating devices such as elevator motor, turntable motor, hydraulic actuating cylinder are arranged, and jacking operation, dismounting are arranged and promote operation etc., and operating conditions is strict.As when carrying out jacking operation or field-strip, then tower crane turntable angle must be in the certain limit, draw the material resources square also must balance each other with clump weight moment, therefore, abominable or manual operation was not at that time as natural environmental condition, serious accidents such as tower crane ruptures, topples will take place, and cause serious life and property damage.At present, the safety control that is applied on the tower crane all is to be made of mono-sensor and inhibiting device, and the numerical value that arrives when sensor surpasses when setting numerical value, and its inhibiting device is reported to the police and cut off the electricity supply.Though certain effect is played in the prevention of accident,, can not carry out comprehensive analyses, judgement and control to various running statees simultaneously, to such an extent as to the accident that tower crane collapses still happens occasionally owing to do not form complete monitored control system.

In addition, existing security monitoring mode is the self-monitoring that is used for the separate unit hoisting crane mostly, as the black box monitoring management system, is difficult to solve difficult point problems such as the existing monitoring range of unified supervision is big, integrated management difficulty.

Summary of the invention:

The utility model is in order to solve the above-mentioned technical matters of existing in prior technology, provide a kind of and can gather the information such as turntable angle, amplitude, lifting weight and body of the tower inclination angle of tower crane in jacking operation, dismounting and lifting operation process in real time, and then carry out comprehensive analyses, judgement, in time the dangerous play that may cause toppling is controlled, reported to the police and locks, simultaneously also can be by the crane safe operation electronic monitoring networking system of the data channel between GPRS network foundation and the client's monitor screen platform.

Technical solution of the present utility model is: a kind of crane safe operation electronic monitoring networking system is characterized in that:

Be provided with the pulling force sensor, amplitude sensor, height sensor, rotary sensor, obliquity sensor and the anemoscope that are installed on the hoisting crane, the output of pulling force sensor, amplitude sensor, height sensor, rotary sensor, obliquity sensor and anemoscope is joined by expansion module and programmable controller;

Programmable controller joins with lifting relay, luffing relay, revolution relay and jacking relay;

Programmable controller joins with the lifting relay contact circuit, joins, joins, joins by fault diagnosis circuit D and jacking relay contact circuit with the revolution relay contact circuit by fault diagnosis circuit C by fault diagnosis circuit B and luffing relay contact circuit by fault diagnosis circuit A;

Be connected to buzzer phone, read-out and storage equipment and GPRS launch terminal with programmable controller;

Be provided with and corresponding database server of GPRS launch terminal and client terminal.

Described lifting relay contact circuit, luffing relay contact circuit, revolution relay contact circuit and jacking relay contact circuit are equipped with resistance R 12, the R13 that is in series, and the contact KM of relay is parallel to the two ends of resistance R 13; Described fault diagnosis circuit A, B, C, D is equipped with the constant voltage power suspply IC1 that joins with power supply E, the output of constant voltage power suspply IC1 respectively with resistance R 1, cond W1, W2, W3 joins, the other end of resistance R 1 joins by the inverting input of resistance R 2 with comparator IC2, join and join by the in-phase input end of resistance R 3 by the inverting input of resistance R 4 with comparator IC4 with comparator IC3, the in-phase input end of the moving contact of potential device W1 and comparator IC2 joins, the inverting input of the moving contact of potential device W2 and comparator IC3 joins, and the in-phase input end of the moving contact of potential device W3 and comparator IC4 joins; The mouth of comparator IC2, IC3, IC4 joins by the input end of resistance R 5, R6, R7 and inverter ic 5, IC6, IC7 respectively, the mouth of inverter ic 5 joins with the LED that is in series 1, resistance R 8, the mouth of inverter ic 6 joins with the LED that is in series 2, resistance R 9, the mouth of inverter ic 7 joins with the LED that is in series 3, resistance R 10, the input end of inverter ic 5 joins by the mouth of forward diode D1 and inverter ic 7, and the other end of resistance R 8, R9, R10 and power supply E join.

The utility model can be monitored the information such as turntable angle, amplitude, lifting weight and body of the tower inclination angle of tower crane in jacking operation, dismounting and lifting operation process in real time, and then carry out comprehensive analyses, judgement, and control executive circuit by set relay and in time the dangerous play that may cause toppling is controlled, reported to the police and locks, can significantly reduce the probability that the tower crane capsizing case takes place, guarantee safe production.Can conveniently import the alarming value of different hoisting cranes under various operating modes by touch-screen, simple operation, strong, the applied range of comformability simultaneously also can be by the crane safe operation monitor network systems of the data channel between GPRS network foundation and the client's monitor screen platform.Set fault diagnosis circuit and relay contact circuit be testing circuit (transmission route) state and according to fault type (relay tip cut-offs, line short, the line broken circuit etc.) warning of classifying automatically, need not artificial on-the-spot the detection, time saving and energy saving, can reduce operating cost, work efficiency is provided.Relay contact circuit can place in the electric cabinet, fault diagnosis circuit then places another electric cabinet, two electric cabinets are connected by the intermediate conveyor circuit with electric cabinet, can avoid contactor circuit and trouble diagnosing to report to the police by artificial destruction, have improved the serviceability of instrument and equipment; Used electric elements cost is low and reliability is high, the more important thing is compact in design, takes up room for a short time, is fit to the integrated of multichannel testing circuit.

Description of drawings:

Fig. 1 is the schematic block circuit diagram of the utility model embodiment.

Fig. 2 is the concrete scheme circuit of fault diagnosis circuit and relay contact circuit among the utility model embodiment.

The specific embodiment:

Below in conjunction with the description of drawings specific embodiment of the present utility model.As shown in Figure 1:

Be provided with the pulling force sensor, amplitude sensor, height sensor, rotary sensor, obliquity sensor and the anemoscope that are installed on the hoisting crane, the output of pulling force sensor, amplitude sensor, height sensor, rotary sensor, obliquity sensor and anemoscope is joined by expansion module and programmable controller;

Programmable controller joins with lifting relay, luffing relay, revolution relay and jacking relay;

Programmable controller joins with the lifting relay contact circuit, joins, joins, joins by fault diagnosis circuit D and jacking relay contact circuit with the revolution relay contact circuit by fault diagnosis circuit C by fault diagnosis circuit B and luffing relay contact circuit by fault diagnosis circuit A;

The mouth and the buzzer phone of programmable controller join, programmable controller joins by RS232 interface and read-out, read-out is by USB interface and storage equipment (SD card, flash memory), and programmable controller joins by RS485 interface and GPRS launch terminal (DTU);

Be provided with and corresponding database server of GPRS launch terminal and client terminal.

Programmable controller is by mains powered, and fault diagnosis circuit is by the power supply of direct current 24V power supply, and GPRS launch terminal (DTU) is powered by direct current 9V power supply.

Pulling force sensor, amplitude sensor, height sensor, rotary sensor, obliquity sensor and anemoscope etc. are buyable all, and pulling force sensor, amplitude sensor, height sensor, rotary sensor, obliquity sensor and anemoscope are installed in the last turn table and the Shears apical position of tower crane respectively.The contact and the lifting winch electric power loop that promote relay join; The contact of luffing relay and luffing winch electric power loop connection circuit mutually join; The power circuit of revolution contact of relay and turntable motor joins, the contact of jacking relay and the power of electromagnetic valve circuit of modulated pressure cylinder join.

Described lifting relay contact circuit, luffing relay contact circuit, revolution relay contact circuit and jacking relay contact circuit all are provided with resistance R 12, the R13 that is in series as shown in Figure 2, and the contact KM of relay is parallel to the two ends of resistance R 13; Described fault diagnosis circuit A, B, C, D all is provided with the constant voltage power suspply IC1 that joins with power supply E as shown in Figure 2, the output of constant voltage power suspply IC1 respectively with resistance R 1, cond W1, W2, W3 joins, the other end of resistance R 1 joins by the inverting input of resistance R 2 with comparator IC2, join and join by the in-phase input end of resistance R 3 by the inverting input of resistance R 4 with comparator IC4 with comparator IC3, the in-phase input end of the moving contact of potential device W1 and comparator IC2 joins, the inverting input of the moving contact of potential device W2 and comparator IC3 joins, and the in-phase input end of the moving contact of potential device W3 and comparator IC4 joins; The mouth of comparator IC2, IC3, IC4 joins by the input end of resistance R 5, R6, R7 and inverter ic 5, IC6, IC7 respectively, the mouth of inverter ic 5 joins with the LED that is in series 1, resistance R 8, the mouth of inverter ic 6 joins with the LED that is in series 2, resistance R 9, the mouth of inverter ic 7 joins with the LED that is in series 3, resistance R 10, the input end of inverter ic 5 joins by the mouth of forward diode D1 and inverter ic 7, and the other end of resistance R 8, R9, R10 and power supply E join.

Principle of work:

Before the monitoring, can the alarming value of different model hoisting crane under various operating modes be inputed to programmable controller by touch display screen.Set pulling force sensor, amplitude sensor, height sensor, rotary sensor, obliquity sensor and anemoscope with the tower crane gathered in jacking operation, dismounting and promote signals such as turntable angle, amplitude, lifting weight and body of the tower inclination angle in the operation process and be sent to programmable controller by expansion module and carry out comprehensive analyses and judgement, and status information outputed on the touch display screen show in real time (the read-out refreshing frequency be 2 times/s).

If displayed value is in the preset value scope, tower crane can be started working;

If displayed value exceeds the preset value scope, output alarm signal then, buzzer warning; The contact KM of each relay action simultaneously, the electromagnetic valve of control lifting winch, luffing winch, turntable motor and hydraulic actuating cylinder quits work.

Transmit by GPRS launch terminal (DTU) during the information of same of being monitored, by GPRS network set up and client's monitor screen platform (monitoring and control centre) between data channel.Monitoring and control centre can be monitored the current operating data of tower crane in real time, also can have access to the job record of arbitrary hoisting crane by network, storage equipment (SD card or flash memory) can also be taken out, directly in read in the heart.

The principle of work of fault diagnosis circuit is as follows: power line voltage E is by constant voltage power suspply IC1 regulated output voltage, and output voltage is given voltage comparator through the different voltages of input behind the electric resistance partial pressure.Because the intermediate conveyor circuit has connection, opens circuit, three kinds of states of short circuit, the contact KM of relay opens and closed two states, comparator is output as high level or low level, outgoing level acts on light-emitting diode one end through phase inverter again, light-emitting diode is promptly can conducting luminous or end, and has played diagnosis and warning function to circuit.

The contact KM closure of relay under the normal operation, A point current potential is 4.5V, this current potential respectively with the setting valve 5.5V/7V/3V of voltage comparator ic 2, IC3, IC4 relatively, the result is comparator IC2 output high level, and the equal output low level of comparator IC3, IC4 is again by inverter ic 5, IC6, IC7 level conversion, then LED 1 conducting is luminous, LED 2, LED3 are not luminous, show the contactless switch normal operation, the circuit trouble free; Otherwise if the contact KM of relay disconnects, then LED 1 is not by luminous, and LED 2, LED3 are luminous.When middle transmission route opens circuit, A point current potential is 9V, at this moment, comparator IC3 exports high level, comparator IC2, IC4 output low level, through inverter ic 5, IC6, IC7, LED 2 conductings are luminous, LED 1, LED3 all end, and show the circuit destruction of being opened circuit this moment; When middle transmission route short circuit (short circuit of a, b point), A point current potential is 0V, at this moment, comparator IC4 exports high level, comparator IC2, IC3 output low level, through inverter ic 5, IC6, IC7, LED 3 conductings are luminous, LED 1, LED2 all end, and show that this moment, circuit suffered that short circuit destroys.

Claims (2)

1. crane safe operation electronic monitoring networking system is characterized in that:

Be provided with the pulling force sensor, amplitude sensor, height sensor, rotary sensor, obliquity sensor and the anemoscope that are installed on the hoisting crane, the output of pulling force sensor, amplitude sensor, height sensor, rotary sensor, obliquity sensor and anemoscope is joined by expansion module and programmable controller;

Programmable controller joins with lifting relay, luffing relay, revolution relay and jacking relay;

Programmable controller joins with the lifting relay contact circuit, joins, joins, joins by fault diagnosis circuit D and jacking relay contact circuit with the revolution relay contact circuit by fault diagnosis circuit C by fault diagnosis circuit B and luffing relay contact circuit by fault diagnosis circuit A;

Be connected to buzzer phone, read-out and storage equipment and GPRS launch terminal with programmable controller;

Be provided with and corresponding database server of GPRS launch terminal and client terminal.

2. crane safe operation electronic monitoring networking system according to claim 1, it is characterized in that: described lifting relay contact circuit, luffing relay contact circuit, revolution relay contact circuit and jacking relay contact circuit are equipped with resistance R 12, the R13 that is in series, and the contact KM of relay is parallel to the two ends of resistance R 13; Described fault diagnosis circuit A, B, C, D is equipped with the constant voltage power suspply IC1 that joins with power supply E, the output of constant voltage power suspply IC1 respectively with resistance R 1, cond W1, W2, W3 joins, the other end of resistance R 1 joins by the inverting input of resistance R 2 with comparator IC2, join and join by the in-phase input end of resistance R 3 by the inverting input of resistance R 4 with comparator IC4 with comparator IC3, the in-phase input end of the moving contact of potential device W1 and comparator IC2 joins, the inverting input of the moving contact of potential device W2 and comparator IC3 joins, and the in-phase input end of the moving contact of potential device W3 and comparator IC4 joins; The mouth of comparator IC2, IC3, IC4 joins by the input end of resistance R 5, R6, R7 and inverter ic 5, IC6, IC7 respectively, the mouth of inverter ic 5 joins with the LED that is in series 1, resistance R 8, the mouth of inverter ic 6 joins with the LED that is in series 2, resistance R 9, the mouth of inverter ic 7 joins with the LED that is in series 3, resistance R 10, the input end of inverter ic 5 joins by the mouth of forward diode D1 and inverter ic 7, and the other end of resistance R 8, R9, R10 and power supply E join.

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