CN211319061U - Off-line test platform for measuring and controlling system of material loading and unloading machine - Google Patents
Off-line test platform for measuring and controlling system of material loading and unloading machine Download PDFInfo
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- CN211319061U CN211319061U CN201922265287.1U CN201922265287U CN211319061U CN 211319061 U CN211319061 U CN 211319061U CN 201922265287 U CN201922265287 U CN 201922265287U CN 211319061 U CN211319061 U CN 211319061U
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Abstract
The utility model belongs to the technical field of nuclear power station maintenance, in particular to an off-line test platform for a measuring and control system of a material handling machine, wherein the connection between a PLC software part and a PLC hardware part and a displacement measuring and simulating part is realized through a communication fastener A of the PLC software part and the PLC hardware part and a deconcentrator of the displacement measuring and simulating part; the connection between the PLC software and hardware parts and the load measurement and simulation part is realized by connecting a communication clamping piece B of the PLC software and hardware parts with a load amplifier of the load measurement and simulation part, and the load amplifier transmits signals to a DI clamping piece of the PLC software and hardware parts; the connection between the PLC software and hardware parts and the motor part is realized by connecting the communication clamping piece B of the PLC software and hardware parts with the servo driver of the motor part. The device solves the problem that the measurement and control equipment of the loading and unloading machine cannot carry out preventive inspection, improves the reliability and stability of the loading and unloading machine after the equipment is reloaded, and saves the construction period of an overhaul mainline.
Description
Technical Field
The utility model belongs to the technical field of the nuclear power station overhauls, concretely relates to handling material machine measurement and control system off-line test platform.
Background
The loading and unloading machine is a key device for undertaking overhaul and refueling of a nuclear power plant, and has the main function of operating new and spent fuel assemblies to complete the first loading of a reactor and the refueling operation of the reactor.
The loading and unloading machine works above the reactor cavity and the refueling water pool and is provided with a cart, a trolley, a main lifting mechanism, a fixed sleeve, a telescopic sleeve and the like.
A measuring and controlling system of a Fuqing nuclear power No. 1-4 machine assembling and discharging machine is designed by the American PAR company, and the controlling system adopts a PLC to realize monitoring and controlling and mainly comprises a redundantly designed encoder, a weighing sensor, a variable frequency drive and a motor for controlling the operation of main equipment, PLC software and hardware, an industrial personal computer and a touch screen which are connected with the PLC, and the like.
Because the irradiation dose in the nuclear island is higher during the normal operation of the unit, after the loading and unloading operation is finished, measurement and control equipment such as an encoder, a load amplifier, a PLC (programmable logic controller) control cabinet and the like need to be detached out of the nuclear island.
The loading and unloading machine measurement and control equipment is in a power-off state for a long time, the service life of the electronic equipment is greatly shortened, the equipment function inspection and defect treatment are carried out after the equipment is reassembled in overhaul, the overhaul main line construction period is directly limited, the reliability and stability of the recovered equipment cannot be ensured, the problems that the equipment fails after being reassembled for many times, new spare parts cannot be used and the like occur, and the overhaul main line of the unit is delayed.
Aiming at the problem, an offline test platform of a main measurement and control system of the material loading and unloading machine is designed and built, so that preventive inspection and maintenance work of important equipment and spare parts of the material loading and unloading machine is realized.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above-mentioned defect that prior art exists, provide a nuclear power plant's loading and unloading machine measurement and control system off-line test platform, solve the problem that loading and unloading machine measurement and controlgear can't carry out the preventive inspection, improve reliability and stability after loading and unloading machine equipment repacking, save overhaul thread time limit for a project.
The technical scheme of the utility model as follows:
an off-line test platform for a measuring and controlling system of a material handling machine comprises a PLC (programmable logic controller) software and hardware part, a displacement measuring and simulating part, a load measuring and simulating part and a motor part;
the connection between the PLC software and hardware parts and the displacement measurement and simulation part is realized through the communication clamping piece A of the PLC software and hardware parts and the deconcentrator of the displacement measurement and simulation part;
the connection between the PLC software and hardware parts and the load measurement and simulation part is realized by connecting a communication clamping piece B of the PLC software and hardware parts with a load amplifier of the load measurement and simulation part, and the load amplifier transmits signals to a DI clamping piece of the PLC software and hardware parts;
the connection between the PLC software and hardware parts and the motor part is realized by connecting the communication clamping piece B of the PLC software and hardware parts with the servo driver of the motor part.
The PLC software and hardware part mainly comprises a computer with control software, a power module, a CPU3, a communication card A, a communication card B, DI and an AI card.
The computer is used for unloading and loading PLC software and a program, the power module is used for supplying power for a CPU, a communication clamping piece, a DI clamping piece and an AI clamping piece, the CPU is used for collecting and processing signals, a TCP/IP protocol is used for being connected with the computer in a network cable mode, the communication clamping piece A and the communication clamping piece B are used for communication transmission of the PLC and downstream equipment, the DI clamping piece is used for collecting switching value input signals, and the AI clamping piece is used for collecting analog value input signals.
The displacement measuring and simulating part consists of an encoder A, an encoder B, a deconcentrator and a transmission shaft.
The encoder A and the encoder B are displacement measuring equipment of the material handling machine, are connected with a communication card A of the PLC through a deconcentrator in a Devicenet communication mode, and a transmission shaft is used for simulating the displacement of the material handling machine;
the displacement of handling material machine is measured through the encoder of installing on each equipment, and the encoder rotates through the pivot that drives the encoder with the gear of handling material machine rail connection and carries out work, penetrates encoder A and encoder B simultaneously through designing a transmission shaft that has the keyway, can simulate the synchronous operation of two encoders to carry out the mutual calibration of two encoders.
The load measuring and simulating part consists of a load amplifier and a load simulating device.
The load amplifier is used for measuring a load signal of the loading and unloading machine, the load amplifier is used for measuring and converting the signal through the change of the input resistance value of the weighing sensor, the load amplifier is connected with a communication card B of the PLC in a Devicenet communication mode, the load simulator is used for simulating the resistance value of the weighing sensor, a bridge circuit is formed by three fixed resistors and one sliding resistor, and the change of the input load of the load amplifier is simulated by changing the resistance value of the sliding resistor.
The motor part consists of a servo driver and a servo motor.
The servo driver is connected with a communication card B of the PLC in a Devicenet communication mode, and drives the servo motor to work after receiving a PLC control signal.
The beneficial effects of the utility model reside in that:
through buildding the utility model discloses a handling material machine measurement and control system off-line test platform can realize going up electric inspection and verification that carries out each PLC fastener, encoder, load amplifier, servo driver in the laboratory to realize encoder, load amplifier's function inspection, can carry out work such as leading-in, inquiry and the modification of on-the-spot PLC procedure on test platform simultaneously.
The off-line test platform of the measuring and controlling system of the material loading and unloading machine is successfully applied to Fuqing nuclear power 1-4 units.
The method has the advantages that the offline test platform is used for completing preventive inspection and power-on maintenance of the disassembled equipment before overhaul of the unit, equipment faults such as PLC clamping pieces, servo drivers and the like are found for many times in the preventive inspection, the effect is good in practical application, and powerful guarantee is provided for the overhaul main line construction period and the reliability of the equipment after reinstallation.
Meanwhile, the test platform can be used for carrying out equipment installation and maintenance related training on overhaul personnel, and provides infrastructure for the independent maintenance capability culture of Fuqing nuclear power loading and unloading machine equipment.
Drawings
Fig. 1 is a schematic structural view of a tooth picking device of a toothed roll crusher according to the present invention.
In the figure: 1. the system comprises a computer, 2, a power module, 3, a CPU, 4, a communication clamping piece A, 5, a communication clamping piece B, 6, a DI clamping piece, 7, an AI clamping piece, 8, a transmission shaft, 9, an encoder A, 10, an encoder B, 11, a deconcentrator, 12, a load amplifier, 13, a load simulation device, 14, a servo driver and 15, a servo motor.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The off-line test platform of the measurement and control system of the material loading and unloading machine is a measurement device and a PLC software and hardware test platform designed based on a PLC system of a Fuqing nuclear power No. 1-4 machine assembly unloading machine. As shown in the attached figure 1, the off-line test platform of the measuring and controlling system of the loading and unloading machine comprises a PLC (programmable logic controller) software and hardware part, a displacement measuring and simulating part, a load measuring and simulating part and a motor part;
the method is characterized in that: the connection between the PLC software and hardware parts and the displacement measurement and simulation part is realized by a communication card A4 of the PLC software and hardware parts and a deconcentrator 11 of the displacement measurement and simulation part;
the connection between the PLC soft and hardware parts and the load measurement and simulation part is connected with a load amplifier 12 of the load measurement and simulation part through a communication card B5 of the PLC soft and hardware parts, and the load amplifier 12 transmits signals to a DI card 6 of the PLC soft and hardware parts;
the connection between the PLC software and hardware parts and the motor part is connected with the servo driver 14 of the motor part through the communication card B5 of the PLC software and hardware parts.
The PLC software and hardware part mainly comprises a computer 1 with control software, a power module 2, a CPU3, a communication card A4, a communication card B5, a DI card 6 and an AI card 7. The computer 1 is used for unloading and loading the PLC software and the program of the loading and unloading machine. The power module 2 is used for supplying power to the CPU3, the communication card, the DI card 6 and the AI card 7. The CPU3 is used for signal acquisition and processing, and is connected to the computer 1 in a network cable form using the TCP/IP protocol. The communication card A4 and the communication card B5 are used for communication transmission between the PLC and downstream equipment. The DI card member 6 is used for collecting input signals of switching values. The AI card 7 is used for collecting analog input signals.
The displacement measuring and simulating part consists of an encoder A9, an encoder B10, a wire divider 11 and a transmission shaft 8. The encoder a9 and the encoder B10 are displacement measuring devices of the handler, and are connected to the PLC communication card a4 through the splitter 11 using Devicenet communication. The transmission shaft 8 is used for simulating the displacement of the loading and unloading machine. The displacement of the material loading and unloading machine is measured by an encoder arranged on each device, and the encoder drives a rotating shaft of the encoder to rotate through a gear connected with a track of the material loading and unloading machine to work. By designing a transmission shaft 8 with a key slot to simultaneously penetrate into the encoder A9 and the encoder B10, the synchronous operation of the two encoders can be simulated, and the two encoders are calibrated mutually.
The load measuring and simulating part consists of a load amplifier 12 and a load simulating device 13. The load amplifier 12 is used for measuring a loading signal of the loading and unloading machine, the signal is measured and converted through the resistance value change of the input weighing sensor, and the load amplifier 12 is connected with a communication card B5 of the PLC in a Devicenet communication mode. The load simulator 13 is used for simulating the resistance value of the weighing sensor, three fixed resistors and one sliding resistor are used for forming a bridge circuit, and the change of the input load of the load amplifier 12 is simulated by changing the resistance value of the sliding resistor.
The motor part is composed of a servo driver 14 and a servo motor 15. The servo driver 14 is connected to the PLC communication card B5 by Devicenet communication, and drives the servo motor 15 to operate after receiving the PLC control signal.
Claims (9)
1. An off-line test platform for a measuring and controlling system of a material handling machine comprises a PLC (programmable logic controller) software and hardware part, a displacement measuring and simulating part, a load measuring and simulating part and a motor part;
the method is characterized in that: the connection between the PLC software and hardware parts and the displacement measurement and simulation part is realized through the communication clamping piece A of the PLC software and hardware parts and the deconcentrator of the displacement measurement and simulation part;
the connection between the PLC software and hardware parts and the load measurement and simulation part is realized by connecting a communication clamping piece B of the PLC software and hardware parts with a load amplifier of the load measurement and simulation part, and the load amplifier transmits signals to a DI clamping piece of the PLC software and hardware parts;
the connection between the PLC software and hardware parts and the motor part is realized by connecting the communication clamping piece B of the PLC software and hardware parts with the servo driver of the motor part.
2. The off-line test platform for the measurement and control system of a handler of claim 1, wherein: the PLC software and hardware part mainly comprises a computer with control software, a power module, a CPU3, a communication card A, a communication card B, DI and an AI card.
3. The off-line test platform for the measurement and control system of a handler of claim 2, wherein: the computer is used for unloading and loading PLC software and a program, the power module is used for supplying power for a CPU, a communication clamping piece, a DI clamping piece and an AI clamping piece, the CPU is used for collecting and processing signals, a TCP/IP protocol is used for being connected with the computer in a network cable mode, the communication clamping piece A and the communication clamping piece B are used for communication transmission of the PLC and downstream equipment, the DI clamping piece is used for collecting switching value input signals, and the AI clamping piece is used for collecting analog value input signals.
4. The off-line test platform for the measurement and control system of a handler of claim 1, wherein: the displacement measuring and simulating part consists of an encoder A, an encoder B, a deconcentrator and a transmission shaft.
5. The off-line test platform for the measurement and control system of a handler of claim 4, wherein: the encoder A and the encoder B are displacement measuring equipment of the material handling machine, are connected with a communication card A of the PLC through a deconcentrator in a Devicenet communication mode, and a transmission shaft is used for simulating the displacement of the material handling machine;
the displacement of handling material machine is measured through the encoder of installing on each equipment, and the encoder rotates through the pivot that drives the encoder with the gear of handling material machine rail connection and carries out work, penetrates encoder A and encoder B simultaneously through designing a transmission shaft that has the keyway, can simulate the synchronous operation of two encoders to carry out the mutual calibration of two encoders.
6. The off-line test platform for the measurement and control system of a handler of claim 1, wherein: the load measuring and simulating part consists of a load amplifier and a load simulating device.
7. The off-line test platform for the measurement and control system of a handler of claim 6, wherein: the load amplifier is used for measuring a load signal of the loading and unloading machine, the load amplifier is used for measuring and converting the signal through the change of the input resistance value of the weighing sensor, the load amplifier is connected with a communication card B of the PLC in a Devicenet communication mode, the load simulator is used for simulating the resistance value of the weighing sensor, a bridge circuit is formed by three fixed resistors and one sliding resistor, and the change of the input load of the load amplifier is simulated by changing the resistance value of the sliding resistor.
8. The off-line test platform for the measurement and control system of a handler of claim 1, wherein: the motor part consists of a servo driver and a servo motor.
9. The off-line test platform for the measurement and control system of a handler of claim 1, wherein: the servo driver is connected with a communication card B of the PLC in a Devicenet communication mode, and drives the servo motor to work after receiving a PLC control signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922265287.1U CN211319061U (en) | 2019-12-17 | 2019-12-17 | Off-line test platform for measuring and controlling system of material loading and unloading machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922265287.1U CN211319061U (en) | 2019-12-17 | 2019-12-17 | Off-line test platform for measuring and controlling system of material loading and unloading machine |
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| Publication Number | Publication Date |
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| CN211319061U true CN211319061U (en) | 2020-08-21 |
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| CN201922265287.1U Active CN211319061U (en) | 2019-12-17 | 2019-12-17 | Off-line test platform for measuring and controlling system of material loading and unloading machine |
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| CN (1) | CN211319061U (en) |
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