CN102141790A

CN102141790A - Remote control device of twin beam overhead crane

Info

Publication number: CN102141790A
Application number: CN 201010559534
Authority: CN
Inventors: 陈冬灵
Original assignee: Zhangjiagang Huahui Special Glass Co Ltd
Current assignee: Zhangjiagang Huahui Special Glass Co Ltd
Priority date: 2010-11-25
Filing date: 2010-11-25
Publication date: 2011-08-03

Abstract

The invention discloses a remote control device of a twin beam overhead crane. The remote control device comprises a remote controller, a programmable logic controller (PLC), an illumination device, an alarm, a gear combination resistor, a motor, a limit travel switch and a plurality of relays; the PLC receives action instructions given by the remote controller; the illumination device, the alarm and the motor are connected with the relays respectively; the gear combination resistor comprises a plurality of gear resistors, each gear resistor is connected with a relay, and each relay is connected with the PLC and receives the instructions given by the PLC to select the actions; and the limit travel switch outputs position signals to the PLC. The remote control device has the advantages of realizing field control when the carne hoists articles, avoiding errors of remote sight distance command and operation and reducing economic loss in hoisting error; and the whole process of hoisting assistance and operation can be realized by one person, hoisting and remote control of the crane can be performed in field, and multi-speed control of the crane is realized.

Description

A kind of twin beam overhead crane telechiric device

Technical field

The remote control equipment that the present invention relates to drive a vehicle is a kind of twin beam overhead crane telechiric device specifically.

Background technology

Existing twin beam overhead crane all adopts cam controller to control on body, exist lifting sighting distance long-range guided missile to cause the defective of maloperation, when work, need another people of people's driver behavior to lift object and commander, traditional telecontrol engineering has only a gear, remote control can not be controlled many grades of drivings, and therefore the personnel that cause waste inconvenient operation, can be when controlling at the scene often because human factor cause misoperation, safety coefficient is low.

Summary of the invention

Goal of the invention: in order to overcome the deficiencies in the prior art, the object of the present invention is to provide a kind of twin beam overhead crane telechiric device, it can be able to realize the function of people lifting and operation, every driving can be saved the human resources of half, simultaneously because of control at the scene, handled easily shortens sighting distance, reduces the human operational error.

Technical scheme: in order to solve the problems of the technologies described above, the technical solution adopted in the present invention is: a kind of twin beam overhead crane telechiric device comprises telepilot, PLC, lighting device, warning horn, gear composition resistor, motor, limitation travel switch, a plurality of relay; Described PLC receives the action command that telepilot sends; Lighting device, warning horn, motor are connected with a described relay respectively; The gear composition resistor comprises a plurality of gear resistors, and each gear resistor is connected with a described relay respectively, and each described relay all links with PLC and receives the Instruction Selection action that PLC sends; Limitation travel switch outgoing position signal is to described PLC.

Described motor comprises cargo motor, vehicle motor and main hook motor, and cargo motor, vehicle motor and main hook motor are connected with a described relay respectively.

Described PLC output has five gears.

Utilize telepilot in conjunction with the PLC programming technique, and utilize repeatedly to trigger and realize many gear controls.Utilize PLC to programme and realize, thereby realization is to the speed regulating control of each motor the actuating of relay.Utilize the front and back of the keypress function control twin beam overhead crane cart of hand-held remote controller terminal, about dolly, main hook move up and down walking function, and adding one cover control program is realized many velocity modulations joints in the middle of the PLC (programmable logic controller (PLC)), and all use the PLC program to control all interlockings, overcurrent, decompression, overload, except that major loop and small part operation circuit, can save many operation circuits like this.

Beneficial effect: compared with prior art, advantage of the present invention is field control in the time of realizing driving lifting object, avoids the phenomenon of sighting distance commander far away and misoperation, the economic loss when reducing the lifting error; One people just can realize helping hanging and whole operation process, can lift at the scene and the remote control driving, realizes multiple speed control driving.

Description of drawings

Accompanying drawing is a structural representation of the present invention.

Embodiment

The present invention is further described below by accompanying drawing and specific embodiment; should be pointed out that for the person of ordinary skill of the art, under the prerequisite that does not break away from the principle of the invention; can also make some modification and improvement, these also should be considered as belonging to protection scope of the present invention.

As shown in drawings, a kind of twin beam overhead crane telechiric device of the present invention, comprise telepilot, PLC, a plurality of relay, lighting device, warning horn, gear composition resistor, motor, limitation travel switch, wherein motor comprises two cargo motors, vehicle motor and main hook motor; Lighting device, warning horn, gear composition resistor, two respectively corresponding relays of cargo motor, vehicle motor and main hook motor, described PLC receives the action command that telepilot sends, each described relay all links with PLC and receives the Instruction Selection action that PLC sends, the limit signal of limitation travel switch output is to described PLC, and described gear composition resistor links to each other with motor.Described PLC output has five gears.

Cart principle of work: after telepilot sends greater plantain during action command, PLC receives action command behind the greater plantain by remote control, export this action command pairing relay of action to the greater plantain then, the relay out-put supply is to the motor of cart then, the Instruction Selection actuating of relay of PLC output simultaneously, relay engages the resistance of required gear to motor coil to the gear composition resistor, the resistance difference of the selected resistor of different gears, thereby the running speed of decision cargo motor, when cart moves to upper limit position, limitation travel switch sends the cart limit signal, signal inputs to PLC, and the PLC program disconnects the instruction before or after the cart according to the input of signal, and circuit breaker is failure to actuate, cargo motor is out of service, and this moment, the PLC internal processes was only carried out cart reverse direction input instruction.

Dolly principle of work: when telepilot sends a dolly left side or right action command, PLC receives action command before or after the dolly by remote control, export this action command then to the pairing relay of the left or right action of dolly, the relay out-put supply is to vehicle motor then, the Instruction Selection actuating of relay of PLC output simultaneously, the resistance that relay engages required gear to the gear composition resistor is to motor coil, the resistance difference of the selected resistor of different gears.Thereby the running speed of decision vehicle motor, when dolly moves to the qualification position, limitation travel switch sends the dolly limit signal, signal inputs to PLC, the PLC program disconnects a dolly left side or right instruction according to the input of signal, circuit breaker is failure to actuate, and vehicle motor is out of service, and this moment, the PLC internal processes was only carried out dolly reverse direction input instruction.

The main hook principle of work: when telepilot send on the main hook or under action command the time, PLC receive on the main hook by remote control or under action command, export this action command then to the pairing relay of the following or following action of main hook, the relay out-put supply is to the main hook motor then, the Instruction Selection gear actuating of relay of PLC output simultaneously, the resistance that relay engages required gear to the gear composition resistor is to motor coil, the resistance difference of the selected resistor of different gears.Thereby the running speed of decision main hook motor, when main hook rises or drop to the qualification position, limitation travel switch sends the main hook limit signal, signal inputs to PLC, the PLC program according to the input of signal disconnect on the main hook or under instruction, circuit breaker is failure to actuate, and the main hook motor is out of service, and this moment, the PLC internal processes was only carried out main hook reverse direction input instruction.

Telepilot adopts Yu Ding board F23-A++ telepilot among the present invention, the PLC cam controller adopts Mitsubishi FX2N-64MRPLC, Yu Ding board F23-A++ telepilot is in conjunction with Mitsubishi FX2N-64MRPLC, adopt the PLC technical editor can control the rotating of four motor multiple speeds, realize the program that the remote running multiple speed is controlled, concrete operations are as follows:

Before starting the telepilot operation, earlier three cam switches on the moving operation platform are all gone to stop position, scram button on the operator's console goes on position, and " remote control electronic box " side selector switch beaten to automated location, the master switch of power supply box and remote control electronic box of will driving a vehicle then closes, each door in the driving is shut, guarantee that thresholding position travel switch is really on position; Can start telepilot after above-mentioned condition has all reached operates:

(1) will insure connection earlier on telepilot, and click " opening " key then, and click " 2 " key again, driving is in the straighforward operation state;

(2) on the telepilot " on " the D score key is up and down action button of main hook, pin when for the first time " on " or be first retaining during D score, it when decontroling button and in 0.3 second, pinning this key once more second retaining, when decontroling button once more and in 0.3 second, pin this key again, be the 3rd retaining, be top speed until the 4th retaining, when in operating process, decontrol " on " or D score time when surpassing 0.3 second, main hook stop " on " or D score;

(3) " east " " west " key on the telepilot is a dolly left and right sides action button, it when pinning " east " or " west " for the first time first retaining, it when decontroling button and in 0.3 second, pinning this key once more second retaining, when decontroling button once more and in 0.3 second, pin this key again, be the 3rd retaining, be top speed until the 4th retaining, when relieving " east " or " west " time surpassed 0.3 second in operating process, dolly stopped the operation to " left side " or " right side ";

(4) " south " " north " key on the telepilot is the action button of walking behind the greater plantain, it when pinning " south " or " north " for the first time first retaining, it when decontroling button and in 0.3 second, pinning this key once more second retaining, when decontroling button once more and in 0.3 second, pin this key again, be the 3rd retaining, be top speed until the 4th retaining, when relieving " south " or " north " time surpassed 0.3 second in operating process, cart stopped the operation to " preceding " or " back ";

(5) " 1 " key on the telepilot is the alarm bell key, during alarm bell rings when pressing this key, simultaneously when main hook, dolly, cart reach terminal point when spacing alarm bell all can ring, alarm bell automatically terminates when spacing when withdrawing from;

(6) when need withdraw from straighforward operation, then on telepilot, click " 2 " key and click " stopping " key again, and the insurance on the telepilot is pulled out, then withdrawed from straighforward operation.

Claims

1. a twin beam overhead crane telechiric device is characterized in that, comprises telepilot, PLC, lighting device, warning horn, gear composition resistor, motor, limitation travel switch, a plurality of relay; Described PLC receives the action command that telepilot sends; Lighting device, warning horn, motor are connected with a described relay respectively; The gear composition resistor comprises a plurality of gear resistors, and each gear resistor is connected with a described relay respectively, and each described relay all links with PLC and receives the Instruction Selection action that PLC sends; Limitation travel switch outgoing position signal is to described PLC.

2. a kind of twin beam overhead crane telechiric device according to claim 1 is characterized in that described motor comprises cargo motor, vehicle motor and main hook motor, and cargo motor, vehicle motor and main hook motor are connected with a described relay respectively.

3. a kind of twin beam overhead crane telechiric device according to claim 1 is characterized in that, described PLC output has five gears.