CN212655379U

CN212655379U - Remote control system for large-scale traveling crane

Info

Publication number: CN212655379U
Application number: CN202020941382.9U
Authority: CN
Inventors: 张军海
Original assignee: Handan Insuntec Technology Co ltd
Current assignee: Handan Insuntec Technology Co ltd
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2021-03-05
Anticipated expiration: 2030-05-29

Abstract

The utility model relates to a remote control system technical field especially relates to a large-scale driving is with remote control system. The remote control comprises a main control module, and a power module, a key module, a password unlocking module, a state module, a loudspeaker, a first transmitting module and a first receiving module which are respectively connected with the main control module; the equipment control end comprises a PLC, and a second receiving module, a traveling circuit, a first distance sensor, a second distance sensor and a second transmitting module which are connected with the PLC. The utility model can prevent the travelling crane from hitting the limiting plate at the end part of the travelling crane track at a higher speed, and avoid the heavy object hung by the travelling crane from greatly shaking forwards, thereby avoiding the condition that the heavy object falls down or is damaged due to overlarge shaking amplitude; the password unlocking module is arranged on the remote controller, so that a person without operation qualification is prevented from operating the traveling crane.

Description

Remote control system for large-scale traveling crane

Technical Field

The utility model relates to a remote control system technical field especially relates to a large-scale driving is with remote control system.

Background

The crane can hoist the heavy object and move along the track to place the heavy object at a designated position. The existing large-scale traveling crane generally adopts remote control, and an operator can operate the traveling crane at a place far away from the traveling crane, so that the position with serious pollution or danger is avoided. In some cases, the suspended weight needs to be placed relatively close to the end of the track. When the existing travelling crane runs along a track, the travelling crane cannot automatically decelerate even if the travelling crane is close to the end part of the track, and when an operator neglects to control the travelling crane to decelerate, the travelling crane collides with a limit baffle arranged at the end part of the track and then stops, on one hand, the travelling crane and the end part of the track are damaged to a certain extent, and on the other hand, a heavy object hung by the travelling crane can swing forwards by a large margin under the action of inertia, so that the heavy object can fall off, and danger is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem, the technical deficiency who exists is directed against the aforesaid, a large-scale remote control system for driving is provided, adopt distance sensor to measure the distance of driving to the track tip, and transmit distance data for PLC, when the driving is apart from the track tip by a certain distance, PLC will control the driving and slow down, prevent that the driving from hitting the limiting plate of driving track tip with higher speed, avoided the heavy object that the driving is hung to rock forward by a wide margin, PLC transmits the signal to the remote controller through the transmitting module simultaneously, the remote controller sends out the alarm sound after receiving the signal and warns operating personnel to slow down or brake; the password unlocking module is arranged on the remote controller, so that a person without operation qualification is prevented from operating the traveling crane.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: a remote control system for large-scale traveling vehicles comprises a remote controller and an equipment control end.

The remote controller comprises a master control module, a power module, a key module, a password unlocking module, a state module, a loudspeaker, a first transmitting module and a first receiving module, wherein the power module, the key module, the password unlocking module, the state module, the loudspeaker, the first transmitting module and the first receiving module are respectively connected with the master control module, the power module is used for providing electric energy for the remote controller, the key module comprises an on-off key, an emergency stop key and keys for controlling lifting of a lifting hook and moving of a travelling crane, the password unlocking module is used for unlocking the remote controller, the state module is used for displaying the state of equipment, the first transmitting module is used for.

The equipment control end includes PLC to and second receiving module, the driving circuit, first distance sensor, second distance sensor and the second transmitting module who is connected with PLC, second receiving module is used for receiving the signal that the remote controller sent and transmits for PLC, the driving circuit is used for controlling the lift of driving lifting hook and the removal of driving, first distance sensor and second distance sensor install respectively in the both sides of driving, and the front side and the rear side along track moving direction are driven promptly to correspond with orbital position, be used for measuring the distance of driving to orbital both ends, second transmitting module is used for transmitting early warning signal to the remote controller.

Further optimize this technical scheme, master control module is the singlechip, and its model is EN8F 629.

Further optimize this technical scheme, the status module includes that the LED pilot lamp is three, is red, yellow, green three kinds of colours respectively, and the different state that can the display device of the different combination of lighting up of three LED pilot lamps.

Further optimize this technical scheme, first distance sensor and second distance sensor are ultrasonic distance sensor.

Compared with the prior art, the utility model has the advantages of it is following: 1. the distance sensor is used for measuring the distance between the travelling crane and the end part of the track, distance data are transmitted to the PLC, when the travelling crane is a certain distance away from the end part of the track, the PLC controls the travelling crane to decelerate, the travelling crane is prevented from colliding with a limiting plate at the end part of the track of the travelling crane at a higher speed, a heavy object hung by the travelling crane is prevented from greatly swinging forwards, meanwhile, the PLC transmits a signal to the remote controller through the transmitting module, the remote controller sends out an alarm sound after receiving the signal to warn an operator to actively decelerate or brake, and the situation that the heavy object falls down or is damaged due to overlarge swinging; 2. the password unlocking module is arranged on the remote controller, so that a person without operation qualification is prevented from operating the traveling crane.

Drawings

Fig. 1 is a schematic block diagram of a remote controller of a remote control system for a large-sized traveling vehicle.

Fig. 2 is a schematic block diagram of an equipment control end of a remote control system for a large-scale traveling vehicle.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

The specific implementation mode is as follows: as shown in fig. 1-2, the remote control device comprises a remote controller and a device control terminal. The remote controller comprises a master control module, a power module, a key module, a password unlocking module, a state module, a loudspeaker, a first transmitting module and a first receiving module, wherein the power module, the key module, the password unlocking module, the state module, the loudspeaker, the first transmitting module and the first receiving module are respectively connected with the master control module, the power module is used for providing electric energy for the remote controller, the key module comprises an on-off key, an emergency stop key and keys for controlling lifting of a lifting hook and moving of a travelling crane, the password unlocking module is used for unlocking the remote controller, the state module is used for displaying the state of equipment, the first transmitting module is used for. The equipment control end includes PLC to and second receiving module, the circuit of driving a vehicle, first distance sensor, second distance sensor and the second transmitting module who is connected with PLC, second receiving module is used for receiving the signal that the remote controller sent and transmits for PLC, the circuit of driving a vehicle is used for controlling the lift of driving a vehicle lifting hook and the removal of driving a vehicle, first distance sensor and second distance sensor are with adorning respectively in the both sides of driving a vehicle, and the front side and the rear side along track moving direction are driven a vehicle promptly to correspond with orbital position, be used for measuring the distance of driving a vehicle to track both ends, second transmitting module is used for transmitting early warning signal to the remote controller. The first transmitting module and the second receiving module are matched infrared transmitting and receiving devices, and the first transmitting module and the second receiving module are matched infrared transmitting and receiving devices; the second transmitting module and the first receiving module are matched infrared transmitting and receiving devices.

The main control module is a single chip microcomputer, and the model number of the main control module is EN8F 629.

The state module includes that LED pilot lamp is three, is red, yellow, green three kinds of colours respectively, and the different bright combination of three LED pilot lamps can the different states that display device is located. For example, the green indicator light is on and works normally, the yellow indicator light is on and power supply electric quantity is low, and yellow and green alternately twinkle to be a single chip microcomputer memory fault and the like.

The first distance sensor and the second distance sensor are ultrasonic distance sensors, the type of the first distance sensor and the type of the second distance sensor are SRF05, the reaction speed is high, and the distance measurement is accurate.

When the password unlocking module is used, as shown in the combined figure 1-2, the password unlocking module can unlock the remote controller by pressing a plurality of keys in the key module according to a certain sequence, so that a person without operation qualification can be prevented from operating the vehicle. Operating personnel's operating signal passes through first transmitting module and transmits for second receiving module, and second receiving module receives the transmission after the signal and gives PLC, and PLC controls the operation of driving a vehicle of driving circuit control. Orbital both ends of driving a vehicle are provided with the limiting plate, when the driving a vehicle moves to within 4 meters apart from track tip, first distance sensor or second distance sensor will send a signal to PLC, PLC control driving a vehicle slows down, prevent to hit the limiting plate of driving a vehicle track tip with higher speed, the article of having avoided the driving a vehicle to hang is rocked forward by a wide margin, PLC passes through second emission module to first receiving module transmission signal simultaneously, first receiving module receives the signal after the transmission for host system, host system control module control speaker sends the warning afterwards, remind operating personnel to drive a vehicle and be too close to track tip, operating personnel takes to slow down or brake according to the circumstances. When the travelling crane is controlled to move towards the end part of the track within 4 meters of the end part of the track, the travelling crane moves at a lower speed.

The utility model discloses a control mode comes automatic control through the controller, and the control circuit of controller can realize through the simple programming of technical staff in this field, belongs to the common general knowledge in this field, and the utility model discloses mainly be used for protecting the machinery setting, so the utility model discloses no longer explain control mode and circuit connection in detail.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. The utility model provides a large-scale for driving remote control system, includes remote controller and equipment control end, its characterized in that:

the remote controller comprises a main control module, and a power module, a key module, a password unlocking module, a state module, a loudspeaker, a first transmitting module and a first receiving module which are respectively connected with the main control module, wherein the power module is used for providing electric energy for the remote controller;

the equipment control end includes PLC to and second receiving module, driving circuit, first distance sensor, second distance sensor and the second transmitting module who is connected with PLC respectively, second receiving module is used for receiving the signal that the remote controller sent and transmits for PLC, the driving circuit is used for controlling the lift of driving lifting hook and the removal of driving, first distance sensor and second distance sensor are installed respectively in the both sides of driving, are used for measuring the distance of driving to the track both ends, second transmitting module is used for transmitting early warning signal to the remote controller.

2. The remote control system for large-sized traveling vehicles according to claim 1, characterized in that: the main control module is a single chip microcomputer.

3. The remote control system for large-sized traveling vehicles according to claim 1, characterized in that: the status module comprises three LED indicating lamps, namely red, yellow and green.

4. The remote control system for large-sized traveling vehicles according to claim 1, characterized in that: the first distance sensor and the second distance sensor are ultrasonic distance sensors.