CN108715402A - The monitoring of derrick crane PLC control system and fault diagnosis system - Google Patents
The monitoring of derrick crane PLC control system and fault diagnosis system Download PDFInfo
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- CN108715402A CN108715402A CN201810533942.4A CN201810533942A CN108715402A CN 108715402 A CN108715402 A CN 108715402A CN 201810533942 A CN201810533942 A CN 201810533942A CN 108715402 A CN108715402 A CN 108715402A
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- monitoring module
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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
- B66C13/18—Control systems or devices
- B66C13/48—Automatic control of crane drives for producing a single or repeated working cycle; Programme control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/88—Safety gear
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Control And Safety Of Cranes (AREA)
Abstract
The invention discloses a kind of monitoring of derrick crane PLC control system and fault diagnosis system, the monitoring of especially a kind of derrick crane PLC control system being related to derrick crane PLC control fields and fault diagnosis system.The monitoring of the derrick crane PLC control system of the present invention and fault diagnosis system, including PLC controller, joint operation console, rotary control system, luffing control system, lift controlling system, further include human-computer interaction module, display module, PLC controller input monitoring module, PLC controller output monitoring module and master control input module are provided in the human-computer interaction module.The monitoring of the derrick crane PLC control system of the present invention and fault diagnosis system can make engineers and technicians grasp the operating status of derrick crane rapidly, and engineers and technicians is allowed conveniently and efficiently can to carry out effectively monitoring and fault diagnosis to derrick crane.
Description
Technical field
The present invention relates to a kind of monitoring of derrick crane PLC control system and fault diagnosis system, especially one kind to relate to
And monitoring and the fault diagnosis system of the derrick crane PLC control system of derrick crane PLC control fields.
Background technology
It is i.e. programmable using PLC (Programmable Logic Controller) in the total derrick crane of the prior art
Logic controller controls, and when operator sends out work order, plc data processing unit is responsible for signal acquisition, processing, by interior
Portion's program realizes the various operations to derrick crane.But construction simultaneously tower crane safety accident also when have hair
Raw, the casualties and equipment damage thus caused causes huge loss to the security of the lives and property.Due to the system of PLC
Structure is closed, and PLC uses dedicated programming software, and the electrical of relay rigid line connection is realized by logic control program
Control.After tower crane breaks down, maintenance person cannot be directly viewable the control of program realization, and to connect computer and be carried out to program
Monitoring, checks where problem goes out actually, and to further solve the problems, such as, inconvenience is brought to maintenance person.Again by
Belong to special equipment in derrick crane, therefore also higher and higher to the monitoring requirement of safety device.Therefore, in the prior art
PLC control system can not allow engineering staff conveniently and efficiently to carry out effectively monitoring and fault diagnosis to derrick crane.
Invention content
Technical problem to be solved by the invention is to provide one kind, and engineers and technicians can be made to grasp tower lifting rapidly
The operating status of machine allows engineers and technicians conveniently and efficiently can carry out effectively monitoring and fault diagnosis to derrick crane
Derrick crane PLC control system monitoring and fault diagnosis system.
The present invention solves the monitoring of derrick crane PLC control system and fault diagnosis system used by its technical problem
System, including PLC controller, joint operation console, rotary control system, luffing control system and lift controlling system, it is described
Joint operation console and the input port of PLC controller connect, the output port of the rotary control system and PLC controller
The output port connection of connection, the luffing control system and PLC controller, the lift controlling system and PLC controller
Output port connects, and further includes human-computer interaction module, it is defeated that display module, PLC controller are provided in the human-computer interaction module
Enter monitoring module, PLC controller output monitoring module and master control input module, the PLC controller input monitoring module and
Display module connects, and PLC controller input monitoring module is communicated to connect with PLC controller, the PLC controller output monitoring mould
Block is communicated to connect with PLC controller, and the master control input module is communicated to connect with PLC controller.
Further, the PLC controller input monitoring module includes security monitoring input module, lifting mechanism monitoring
Input module, jib lubbing mechanism monitor input module, and swing mechanism monitors input module, security monitoring output module, lifting mechanism
Output module is monitored, jib lubbing mechanism monitors output module, and swing mechanism monitors output module.
Further, the security monitoring input module includes power initiation input monitoring module, protection of arrester point
Input monitoring module becomes rope button input monitoring module, torque safeguard protection input module, the power initiation input monitoring mould
Block and the power supply starting signal receiving unit of PLC controller communicate to connect, the protection of arrester point input monitoring module and PLC
The protection of arrester point signal receiving unit of controller communicates to connect, the change rope button input monitoring module and PLC controller
Change rope button signal receiving unit communication connection, the torque of the torque safeguard protection input monitoring module and PLC controller
Safeguard protection signal receiving unit communicates to connect.
Further, the security monitoring output module includes power supply instruction output monitoring module, contactor output prison
Module, torque safeguard protection output monitoring module are controlled, weight safety protects output monitoring module, the contactor output monitoring mould
Block and the contactor signal transmitting unit of PLC controller communicate to connect, and the torque safeguard protection output monitoring module is controlled with PLC
The torque safeguard protection signal transmitting unit of device processed communicates to connect, and the weight safety protection output monitoring module is controlled with PLC
The weight safety protection signal transmission unit of device communicates to connect, the electricity of the power supply instruction output monitoring module and PLC controller
Source indication signal transmission unit communication connection.
Further, the lifting mechanism monitoring input module includes direction signal input monitoring module, gear signal
Input monitoring module, reduce-speed sign input monitoring module, temperature protection signal input module, the direction signal prison input control mould
Block and the communication connection of the direction signal receiving unit of PLC controller, the gear signal input monitoring module and PLC controller
Gear signal receiving unit communicates to connect, and the reduce-speed sign signal of the reduce-speed sign input monitoring module and PLC controller connects
Receive unit communication connection, the temperature protection signal receiving unit of the temperature protection signal input monitoring module and PLC controller
Communication connection.
Further, the lifting mechanism monitoring output module includes base stage block output monitoring module, failure reset
The base stage of output monitoring module, reduce-speed sign output monitoring module, the base stage block prison output control module and PLC controller is sealed
Lock signal transmission unit communicates to connect, the failure reset transmission unit of the failure reset output monitoring module and PLC controller
The reduce-speed sign signal transmitting unit of communication connection, the reduce-speed sign output monitoring module and PLC controller communicates to connect.
Further, the jib lubbing mechanism monitoring input module includes direction signal input monitoring module, gear signal
Believe in the direction of input monitoring module, reduce-speed sign input monitoring module, the direction signal input monitoring module and PLC controller
The communication connection of number receiving unit, the gear signal input monitoring module are communicated with the gear signal receiving unit of PLC controller
The reduce-speed sign signal receiving unit of connection, the reduce-speed sign input monitoring module and PLC controller communicates to connect.
Further, the jib lubbing mechanism monitoring output module includes base stage block output monitoring module, failure reset
The base stage of output monitoring module, reduce-speed sign output monitoring module, the base stage block output monitoring module and PLC controller is sealed
Lock signal transmission unit communicates to connect, the failure reset transmission unit of the failure reset output monitoring module and PLC controller
The reduce-speed sign transmission unit of communication connection, the reduce-speed sign output monitoring module and PLC controller communicates to connect.
Further, the swing mechanism monitoring input module includes direction signal input monitoring module, slewing limit
Device input monitoring module, brake unit input monitoring module, temperature protection signal input module, the direction signal input monitoring
The direction signal receiving unit of module and PLC controller communicates to connect, and the slewing limiter input monitoring module is controlled with PLC
The slewing limiter signal receiving unit of device communicates to connect, the braking of the brake unit input monitoring module and PLC controller
Cell signal receiving unit communicates to connect.
Further, the swing mechanism monitoring output module includes base stage block output monitoring module, failure reset
Output monitoring module, external fault output monitoring module, the base stage of base stage block prison the output monitoring module and PLC controller
Locking signal transmission unit communicates to connect, and the failure reset of the failure reset output monitoring module and PLC controller sends list
The external fault transmission unit of member communication connection, the external fault output monitoring module and PLC controller communicates to connect.
The beneficial effects of the invention are as follows：The application is adopted using the PLC controller input monitoring module in human-computer interaction module
The signal for collecting each input signal receiving unit in PLC, is then directly displayed to by the display module in human-computer interaction module
Engineering staff allows engineering staff can be convenient and efficient and knows that joint operation console and each sensor are sent in real time
The information of PLC controller, while utilizing each letter in the PLC controller input monitoring module acquisition PLC in human-computer interaction module
Signal in number transmission unit, is then directly displayed to engineering staff by the display module in human-computer interaction module, allows engineering
Personnel can be convenient and efficient and know that PLC controller sends the control information of control system, engineers and technicians' root in real time
According to the input/output information for the PLC controller known, the working of derrick crane can be grasped in real time, realized to each
The diagnosis of executive component action state can more effectively be monitored derrick crane, be also convenient in derrick crane
Fault point is diagnosed to be by display screen when failure, failure cause is found out, further solves the problems, such as.Human-computer interaction module pair
Outputting and inputting for PLC is a little monitored, and searches fault point quickly by fault diagnosis, easy to repair, saves maintenance time,
It improves work efficiency, abundant data is provided for crash analysis processing；Master control input module, for receiving engineering staff
The parking toll signal of human-computer interaction module is inputed to, and the control signal is passed into PLC controller, PLC controller is connecing
Corresponding parking toll program is called to carry out emergency braking to derrick crane after receiving control signal.
Description of the drawings
Fig. 1 is the schematic diagram of present invention monitoring and fault diagnosis system.
Specific implementation mode
The invention will be further described below in conjunction with the accompanying drawings.
As shown in Figure 1, monitoring and the fault diagnosis system of the derrick crane PLC control system that the present invention uses, including
PLC controller, joint operation console, rotary control system, luffing control system, lift controlling system, the joint operation
Console and the input port of PLC controller connect, and the output port of the rotary control system and PLC controller connects, institute
The output port for stating luffing control system and PLC controller connects, the output port of the lift controlling system and PLC controller
Connection, further includes human-computer interaction module, display module, PLC controller input monitoring mould is provided in the human-computer interaction module
Block, PLC controller output monitoring module and master control input module, the PLC controller input monitoring module and display module
Connection, PLC controller input monitoring module are communicated to connect with PLC controller, the PLC controller output monitoring module and PLC
Controller communicates to connect, and the master control input module is communicated to connect with PLC controller.Rotary control system includes frequency converter,
Electromagnetic brake, luffing control system include frequency converter, and electromagnetic brake, lift controlling system includes frequency converter, electromagnetic braking
Device and hydraulic power unit, frequency converter are used to control the rotating speed of motor, and motor drives each executing agency's action.Wherein joint operation control
Startup power supply, gyratory directions are become width direction, raising direction by platform processed, and the steering commands such as emergent stopping transmit in the form of a signal
It to the signal input port of PLC, and stores into corresponding signal receiving unit, slewing limiter, lifting limiter, luffing limit
Position device, the trigger signal of Weight retainer, each sensor such as torque limiter also pass to the signal input port of PLC, and
Store in corresponding signal receiving unit, PLC controller operation inside program transfer the signal in signal receiving unit into
Row processing, and signal to be output is stored in corresponding signal transmitting unit according to the result of processing, pass through the signal of PLC
Output port sends the control system of each executing agency to by signal is controlled.The application utilizes the PLC in human-computer interaction module
Controller input monitoring module acquires the signal of each input signal receiving unit in PLC, then by human-computer interaction module
Display module be directly displayed to engineering staff, allow engineering staff can be convenient and efficient and know joint operation console in real time
It sends the information of PLC controller to each sensor, while utilizing the PLC controller input monitoring mould in human-computer interaction module
Block acquires the signal in each signal transmitting unit in PLC, is then directly displayed by the display module in human-computer interaction module
To engineering staff, allows engineering staff can be convenient and efficient and know that PLC controller sends the control letter of control system in real time
Breath, engineers and technicians can grasp the work of derrick crane in real time according to the input/output information for the PLC controller known
Operating status is realized the diagnosis to each executive component action state, can be more effectively monitored to derrick crane, also square
Fault point is diagnosed to be by display screen when derrick crane breaks down, find out failure cause, further solve the problems, such as.
Human-computer interaction module is a little monitored outputting and inputting for PLC, and searches fault point quickly by fault diagnosis, convenient for dimension
It repaiies, saves maintenance time, improve work efficiency, abundant data is provided for crash analysis processing；Master control input module,
The parking toll signal of human-computer interaction module is inputed to for receiving engineering staff, and the control signal is passed into PLC controls
Device, PLC controller call corresponding parking toll program to carry out emergency braking to derrick crane upon the reception of control signals.
Human-computer interaction module selects HMI touch screens, PLC controller input monitoring module, PLC controller output monitoring mould when specific implementation
The existing configuration software that block is provided using PLC system carries out programming, by each input of PLC controller when programming
Corresponding with output quantity to be shown on HMI touch screens, HMI touch screens can be communicated by fieldbus with PLC controller.It can profit
The button of one master control input module is set with configuration software on HMI touch screens, when engineers and technicians on the screen should
When button position is pressed, parking toll signal is triggered, trigger signal is passed to PLC controller by touch screen.
When it is implemented, PLC controller input monitoring module includes security monitoring input module, lifting mechanism monitoring input
Module, jib lubbing mechanism monitor input module, and swing mechanism monitors input module, security monitoring output module, lifting mechanism monitoring
Output module, jib lubbing mechanism monitor output module, and swing mechanism monitors output module.
Wherein security monitoring input module is for acquiring and showing that power initiation, reset button, protection of arrester point become rope
Button, torque safeguard protection, tower crane main contactor etc. and the letter in the relevant input PLC controller of derrick crane job safety
Number, so that engineers and technicians is quickly grasped the running safe condition of derrick crane in real time.And security monitoring output module
For acquiring and showing power supply instruction, contactor, torque safeguard protection, weight safety protection etc. and tower after being connect with display module
The safety-related signal by being exported in PLC controller of formula crane job, makes engineers and technicians quickly grasp tower in real time
The running safe condition of formula crane.Lifting mechanism monitoring input mould is used to acquire and show and rise after being connect with display module
The signal in the relevant input PLC controller of mechanism is risen, lifting mechanism monitoring output module is used to adopt after connecting with display module
It collection and shows with lifting mechanism phase by the signal that exports in PLC controller.Swing mechanism monitors input module and display module
For acquiring and showing that the signal in the input PLC controller with swing mechanism phase, swing mechanism monitor output module after connection
For acquiring and showing with swing mechanism phase by the signal that exports in PLC controller after being connect with display module.Jib lubbing mechanism
Monitoring input module is used to acquiring and showing the letter in the input PLC controller with jib lubbing mechanism phase after connecting with display module
Number, jib lubbing mechanism monitoring output module is used to acquire and show and jib lubbing mechanism is relevant is controlled by PLC after connecting with display module
The signal exported in device processed.
When it is implemented, PLC controller output monitoring module includes power supply instruction output monitoring module, contactor output prison
Module, torque safeguard protection output monitoring module are controlled, weight safety protects output monitoring module, the contactor output monitoring mould
Block and the contactor signal transmitting unit of PLC controller communicate to connect, and the torque safeguard protection output monitoring module is controlled with PLC
The torque safeguard protection signal transmitting unit of device processed communicates to connect, and the weight safety protection output monitoring module is controlled with PLC
The weight safety protection signal transmission unit of device communicates to connect, the electricity of the power supply instruction output monitoring module and PLC controller
Source indication signal transmission unit communication connection.Security monitoring output module is for acquiring and showing that power initiation, reset button are kept away
Thunder device protects point, becomes rope button, torque safeguard protection, tower crane main contactor etc. and the relevant input of derrick crane job safety
Signal in PLC controller makes engineers and technicians quickly grasp the running safe condition of derrick crane in real time.
Embodiment 1
In the present embodiment, the lifting mechanism monitoring input module includes direction signal input monitoring module, gear letter
Number input monitoring module, reduce-speed sign input monitoring module, temperature protection signal input module, the direction signal prison input control
The direction signal receiving unit of module and PLC controller communicates to connect, the gear signal input monitoring module and PLC controller
Gear signal receiving unit communication connection, the reduce-speed sign signal of the reduce-speed sign input monitoring module and PLC controller
Receiving unit communicates to connect, and the temperature protection signal of the temperature protection signal input monitoring module and PLC controller receives list
Member communication connection.Lifting mechanism monitoring input module transfers corresponding PLC controller from the corresponding receiving unit of PLC controller
Input information in relation to lifting mechanism, and shown by display module.In addition to the relevant input information of aforementioned lifting mechanism
In addition, raising emergent stopping, weight limitor, lifting limiter, braking confirmation, the event of frequency converter of frequency converter can also be transferred
Barrier output, brake unit, cooling blower breaker, brake release device, hydraulic power unit breaker, the information such as braking opening signal are extremely
It is shown on touch screen.
In the present embodiment, the lifting mechanism monitoring output module includes base stage block output monitoring module, and failure is multiple
Position output monitoring module, reduce-speed sign output monitoring module, the base stage of base stage block prison output the control module and PLC controller
Locking signal transmission unit communicates to connect, and the failure reset of the failure reset output monitoring module and PLC controller sends list
The reduce-speed sign signal transmitting unit of member communication connection, the reduce-speed sign output monitoring module and PLC controller communicates to connect.
Other than the relevant PLC controller output information of aforementioned lifting mechanism, raising and lowering direction can also be transferred, raising master connects
The braking of tentaculum, frequency converter confirms that external fault etc., speed stage monitors, brake LFa, hydraulic power unit, the letters such as cooling blower
It is shown on breath to touch screen.
Embodiment 2
In the present embodiment, the jib lubbing mechanism monitoring input module includes direction signal input monitoring module, gear letter
Number input monitoring module, reduce-speed sign input monitoring module, the direction of the direction signal input monitoring module and PLC controller
Signal receiving unit communicates to connect, and the gear signal receiving unit of the gear signal input monitoring module and PLC controller is logical
The reduce-speed sign signal receiving unit of letter connection, the reduce-speed sign input monitoring module and PLC controller communicates to connect.
Jib lubbing mechanism monitoring input module transfers corresponding PLC controller from the corresponding receiving unit of PLC controller to be had
The input information of luffing is closed, and is shown by display module.Other than the relevant input information of aforementioned jib lubbing mechanism, also
Luffing limiter can be transferred, the braking of frequency converter is true, failure output, is carried out in the information to touch screen such as cooling blower breaker
Display.
In the present embodiment, the jib lubbing mechanism monitoring output module includes base stage block output monitoring module, and failure is multiple
Position output monitoring module, reduce-speed sign output monitoring module, the base stage of base stage block the output monitoring module and PLC controller
Locking signal transmission unit communicates to connect, and the failure reset of the failure reset output monitoring module and PLC controller sends list
The reduce-speed sign transmission unit of member communication connection, the reduce-speed sign output monitoring module and PLC controller communicates to connect.
Other than the relevant PLC controller output information of aforementioned jib lubbing mechanism, forward and backward directions can also be transferred,
Luffing main contactor, the base stage block of frequency converter, failure reset, external fault etc., braking confirmation, reduce-speed sign XSD, speed threshold
Position monitors, brake, is shown in the information to touch screen such as cooling blower.
Embodiment 3
In the present embodiment, the swing mechanism monitoring input module includes direction signal input monitoring module, revolution limit
Position device input monitoring module, brake unit input monitoring module, temperature protection signal input module, the direction signal prison input
The direction signal receiving unit for controlling module and PLC controller communicates to connect, and the slewing limiter input monitoring module is controlled with PLC
The slewing limiter signal receiving unit of device processed communicates to connect, the system of the brake unit input monitoring module and PLC controller
Moving cell signal receiving unit communicates to connect.
Swing mechanism monitoring input module transfers corresponding PLC controller from the corresponding receiving unit of PLC controller to be had
The input information of revolution is closed, and is shown by display module.Other than the relevant input information of aforementioned swing mechanism, also
Braking confirmation, the failure output of frequency converter can be transferred, brake unit carries out in the information to touch screen such as cooling blower breaker
Display.
In the present embodiment, the swing mechanism monitoring output module includes base stage block output monitoring module, and failure is multiple
Position output monitoring module, external fault output monitoring module, the base stage of base stage block the output monitoring module and PLC controller
Locking signal transmission unit communicates to connect, and the failure reset of the failure reset output monitoring module and PLC controller sends list
The external fault transmission unit of member communication connection, the external fault output monitoring module and PLC controller communicates to connect.
Other than the relevant PLC controller output information of aforementioned swing mechanism, it can also transfer and rotate and reverse direction,
Main contactor RQ is turned round, brake is shown in the information to touch screen such as cooling blower.
Compared with tower crane is controlled only with PLC, the monitoring of the application and diagnostic system are when tower crane breaks down, HMI
The touch screen of (Human Machine Interface) i.e. human-computer interaction module is a little monitored outputting and inputting for PLC, and
Fault point is searched quickly by fault diagnosis, it is easy to repair, maintenance time is saved, is improved work efficiency, is at crash analysis
Reason provides abundant data.Word, button, figure, number can be freely combined in programming in human-computer interaction module touch screen,
Succinct, beautiful operation interface is designed, the operation interest of user is enhanced.Human-computer interaction module touch screen passes through figure or word
The mode of operation of prompt can clearly inform the current operation conditions of operating personnel's equipment, so that operation is become simple, lively, and subtract
Few error is not required to be competent at by prolonged a large amount of trainings to operating personnel.The panel of human-computer interaction module touch screen is small
Type, high-performance, the opposite surcharge for improving complete equipment.Human-computer interaction module touch screen to the safety device of tower crane into
Row monitoring keeps tower crane work safer, reliable, more intelligent.
Claims (10)
1. monitoring and the fault diagnosis system of derrick crane PLC control system, including PLC controller, joint operation console,
Rotary control system, luffing control system and lift controlling system, the input terminal of the joint operation console and PLC controller
The output port of mouth connection, the rotary control system and PLC controller connects, the luffing control system and PLC controller
Output port connection, the output port of the lift controlling system and PLC controller connects, it is characterised in that：Further include people
It is defeated to be provided with display module, PLC controller input monitoring module, PLC controller in the human-computer interaction module for machine interactive module
Go out monitoring module and master control input module, the PLC controller input monitoring module is connected with display module, PLC controller
Input monitoring module is communicated to connect with PLC controller, and the PLC controller output monitoring module is communicated to connect with PLC controller,
The master control input module is communicated to connect with PLC controller.
2. monitoring and the fault diagnosis system of derrick crane PLC control system as described in claim 1, it is characterised in that：
The PLC controller input monitoring module includes security monitoring input module, and lifting mechanism monitors input module, jib lubbing mechanism prison
Input module is controlled, swing mechanism monitors input module, security monitoring output module, and lifting mechanism monitors output module, luffing machine
Structure monitors output module, and swing mechanism monitors output module.
3. monitoring and the fault diagnosis system of derrick crane PLC control system as claimed in claim 2, it is characterised in that：
The security monitoring input module includes power initiation input monitoring module, and protection of arrester point input monitoring module becomes rope and presses
Button input monitoring module, torque safeguard protection input module, the power supply of the power initiation input monitoring module and PLC controller
Enabling signal receiving unit communicates to connect, the protection of arrester of protection of arrester the point input monitoring module and PLC controller
Point signal receiving unit communication connection, the change rope button signal reception for becoming rope button input monitoring module and PLC controller
Unit communication connects, and the torque safeguard protection signal of the torque safeguard protection input monitoring module and PLC controller receives list
Member communication connection.
4. monitoring and the fault diagnosis system of derrick crane PLC control system as claimed in claim 2, it is characterised in that：
The security monitoring output module includes power supply instruction output monitoring module, contactor output monitoring module, torque safeguard protection
Output monitoring module, weight safety protect output monitoring module, contact of the contactor output monitoring module with PLC controller
Device signal transmitting unit communicates to connect, the torque safeguard protection of the torque safeguard protection output monitoring module and PLC controller
Signal transmitting unit communicates to connect, and the weight safety protection of the weight safety protection output monitoring module and PLC controller is believed
The communication connection of number transmission unit, the power indication signal transmission unit of the power supply instruction output monitoring module and PLC controller
Communication connection.
5. monitoring and the fault diagnosis system of derrick crane PLC control system as claimed in claim 2, it is characterised in that：
The lifting mechanism monitoring input module includes direction signal input monitoring module, and gear signal input monitoring module, slow down letter
Number input monitoring module, temperature protection signal input module, the direction of the direction signal input monitoring module and PLC controller
Signal receiving unit communicates to connect, and the gear signal receiving unit of the gear signal input monitoring module and PLC controller is logical
The reduce-speed sign signal receiving unit of letter connection, the reduce-speed sign input monitoring module and PLC controller communicates to connect, described
The temperature protection signal receiving unit of temperature protection signal input monitoring module and PLC controller communicates to connect.
6. monitoring and the fault diagnosis system of derrick crane PLC control system as claimed in claim 2, it is characterised in that：
The lifting mechanism monitoring output module includes base stage block output monitoring module, and failure reset output monitoring module, slow down letter
Number output monitoring module, the base stage block prison output control module are communicated with the base stage locking signal transmission unit of PLC controller
The failure reset transmission unit of connection, the failure reset output monitoring module and PLC controller communicates to connect, the deceleration letter
The reduce-speed sign signal transmitting unit of number output monitoring module and PLC controller communicates to connect.
7. monitoring and the fault diagnosis system of derrick crane PLC control system as claimed in claim 2, it is characterised in that：
The jib lubbing mechanism monitoring input module includes direction signal input monitoring module, and gear signal input monitoring module, slow down letter
The direction signal receiving unit of number input monitoring module, the direction signal input monitoring module and PLC controller communicates to connect,
The gear signal receiving unit of the gear signal input monitoring module and PLC controller communicates to connect, and the reduce-speed sign is defeated
The reduce-speed sign signal receiving unit for entering monitoring module and PLC controller communicates to connect.
8. monitoring and the fault diagnosis system of derrick crane PLC control system as claimed in claim 2, it is characterised in that：
The jib lubbing mechanism monitoring output module includes base stage block output monitoring module, and failure reset output monitoring module, slow down letter
Number output monitoring module, the base stage block output monitoring module are communicated with the base stage locking signal transmission unit of PLC controller
The failure reset transmission unit of connection, the failure reset output monitoring module and PLC controller communicates to connect, the deceleration letter
The reduce-speed sign transmission unit of number output monitoring module and PLC controller communicates to connect.
9. monitoring and the fault diagnosis system of derrick crane PLC control system as claimed in claim 2, it is characterised in that：
The swing mechanism monitoring input module includes direction signal input monitoring module, slewing limiter input monitoring module, braking
Unit input monitoring module, temperature protection signal input module, the side of the direction signal input monitoring module and PLC controller
It is communicated to connect to signal receiving unit, the slewing limiter signal of the slewing limiter input monitoring module and PLC controller
Receiving unit communicates to connect, and the brake unit signal receiving unit of the brake unit input monitoring module and PLC controller is logical
Letter connection.
10. monitoring and the fault diagnosis system of derrick crane PLC control system as claimed in claim 2, it is characterised in that：
The swing mechanism monitoring output module includes base stage block output monitoring module, failure reset output monitoring module, external event
Hinder output monitoring module, the base stage block output monitoring module is communicated with the base stage locking signal transmission unit of PLC controller
The failure reset transmission unit of connection, the failure reset output monitoring module and PLC controller communicates to connect, the external event
The external fault transmission unit for hindering output monitoring module and PLC controller communicates to connect.
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| CN201810533942.4A CN108715402B (en) | 2018-05-29 | 2018-05-29 | Monitoring and fault diagnosis system of PLC control system of tower crane |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810533942.4A CN108715402B (en) | 2018-05-29 | 2018-05-29 | Monitoring and fault diagnosis system of PLC control system of tower crane |
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| CN108715402A true CN108715402A (en) | 2018-10-30 |
| CN108715402B CN108715402B (en) | 2020-02-14 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111017756A (en) * | 2019-11-18 | 2020-04-17 | 湖南中联重科建筑起重机械有限责任公司 | Distributed tower crane electric control system, equipment and storage medium for fault online diagnosis |
| CN112408220A (en) * | 2019-08-21 | 2021-02-26 | 张家口追光新能源科技有限公司 | Anti-collision control device for rotation angle of tower crane |
| CN113697676A (en) * | 2021-09-09 | 2021-11-26 | 中国特种设备检测研究院 | Monitoring management system of crane group |
| CN115676655A (en) * | 2022-10-31 | 2023-02-03 | 徐州建机工程机械有限公司 | Tower crane rotation amplitude-changing all-in-one machine and control method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112408220A (en) * | 2019-08-21 | 2021-02-26 | 张家口追光新能源科技有限公司 | Anti-collision control device for rotation angle of tower crane |
| CN111017756A (en) * | 2019-11-18 | 2020-04-17 | 湖南中联重科建筑起重机械有限责任公司 | Distributed tower crane electric control system, equipment and storage medium for fault online diagnosis |
| CN113697676A (en) * | 2021-09-09 | 2021-11-26 | 中国特种设备检测研究院 | Monitoring management system of crane group |
| CN115676655A (en) * | 2022-10-31 | 2023-02-03 | 徐州建机工程机械有限公司 | Tower crane rotation amplitude-changing all-in-one machine and control method thereof |
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| Publication number | Publication date |
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| CN108715402B (en) | 2020-02-14 |
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