CN210802772U - Off-line test platform for load amplifier of loading and unloading machine of nuclear power plant - Google Patents
Off-line test platform for load amplifier of loading and unloading machine of nuclear power plant Download PDFInfo
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- CN210802772U CN210802772U CN201921409116.5U CN201921409116U CN210802772U CN 210802772 U CN210802772 U CN 210802772U CN 201921409116 U CN201921409116 U CN 201921409116U CN 210802772 U CN210802772 U CN 210802772U
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Abstract
The utility model provides a nuclear power plant's loading and unloading machine load amplifier off-line test platform, includes hydraulic means, and hydraulic means connects load sensor, and load sensor connects the load amplifier, and load amplifier, industrial computer, CPU module all connect the DeviceNet module. The DeviceNet module and the industrial personal computer realize communication through a TCP/IP protocol. The power module provides 24V DC power for the CPU module and the DeviceNet module. The hydraulic device comprises a manual hydraulic pump, the manual hydraulic pump is connected with a hydraulic cylinder through a hydraulic hose, and a pressure gauge is arranged on the hydraulic hose; the hydraulic jack shaft is pushed by liquid in the hydraulic cylinder to extend, a hydraulic gripping apparatus is arranged on the hydraulic cylinder, and the load sensor is fixed by the hydraulic gripping apparatus.
Description
Technical Field
The invention relates to the field of test platforms, in particular to an offline test platform for a load amplifier of a loading and unloading machine of a nuclear power plant.
Background
The handling machine is a key device of the M310 nuclear power generating unit in the process of refueling (nuclear fuel assembly) overhaul, and the load amplifier is an important device for the handling machine to acquire the weight of the nuclear fuel assembly. Whether the weight display of the load amplifier is accurate or not and whether the communication is normal or not determine whether the weight information of the nuclear fuel assembly can be accurately acquired or not, so that the fuel assembly is prevented from being overlapped or scratched, and the safety and the usability of the fuel assembly are ensured. Fuqing nuclear power generation units 1, 2, 3 and 4 are all in commercial operation states and have undergone 8 refuelling major repairs, and the fault condition of a load amplifier occurring in the refuelling major repair process can only be eliminated by replacing spare parts, so that the problem of which link occurs can not be accurately judged. The parameter setting needs to be carried out again after the new spare part is replaced, the operation is time-consuming and labor-consuming, and the function of the newly replaced load amplifier cannot be guaranteed to be normal.
Disclosure of Invention
The invention aims to: the off-line test platform for the load amplifier of the loading and unloading machine of the nuclear power plant can evaluate the performance of the load amplifier in advance and set parameters, reduces the on-site first-aid repair time, reduces the radiation dose of personnel, and reduces the time of occupying a major repair line. And simultaneously, the utility model discloses can let new staff and cooperation unit personnel master load amplifier parameter setting, CPU module IP address setting, configuration software online and download, based on DeviceNet communication protocol's load amplifier maintenance etc. basic skill.
The technical scheme of the invention is as follows: the utility model provides a nuclear power plant's loading and unloading machine load amplifier off-line test platform, includes hydraulic means, and hydraulic means connects load sensor, and load sensor connects the load amplifier, and load amplifier, industrial computer, CPU module all connect the DeviceNet module.
The DeviceNet module and the industrial personal computer realize communication through a TCP/IP protocol.
The power module provides 24V DC power for the CPU module and the DeviceNet module.
The hydraulic device comprises a manual hydraulic pump, the manual hydraulic pump is connected with a hydraulic cylinder through a hydraulic hose, and a pressure gauge is arranged on the hydraulic hose; the hydraulic jack shaft is pushed by liquid in the hydraulic cylinder to extend, a hydraulic gripping apparatus is arranged on the hydraulic cylinder, and the load sensor is fixed by the hydraulic gripping apparatus.
The pressure gauge is arranged on the hydraulic hose in a threaded sleeve-rotating mode.
The invention has the following remarkable effects: the utility model discloses a transplant the equipment in the radiation control district outside the radiation control district, can carry out off-line aassessment load amplifier's usability to load amplifier during non-overhaul. The load amplifier parameters are set and calibrated before the unit is overhauled, and the communication function between the load amplifier parameters and the PLC is verified, so that spare part faults can be checked in advance, the damage of irradiation to personnel and equipment is reduced, and the safety of the equipment meets the requirements. The evaluation process adopts an off-line test mode, so that the field equipment is not influenced, and all risks are in a controllable state.
The unit price of the load amplifier is high, the test platform can evaluate the availability of the load amplifier off line, the waste load amplifier spare parts are fully utilized, a large amount of cost is saved for enterprises, and guarantee is provided for orderly production work
Drawings
FIG. 1 is the utility model discloses the off-line test platform schematic diagram of nuclear power plant's loading and unloading machine load amplifier.
Fig. 2 is the utility model discloses the power plant's loader load amplifier off-line test platform hydraulic means schematic diagram.
In the figure: 1. a hydraulic device; 2. a load sensor; 3. an industrial personal computer; 4. a load amplifier; a DeviceNet module; 6. a power supply module; 7, a CPU module; 8. a spring pressure gauge; 9. a hydraulic hose; 10. a manual hydraulic pump; 11. a hydraulic gripper; 12. a hydraulic jack; 13. and a hydraulic cylinder.
Detailed Description
A nuclear power plant loading and unloading machine load amplifier off-line testing platform is shown in figure 1 and comprises a hydraulic device (1), a load sensor (2), an industrial personal computer (3), a load amplifier (4), a DeviceNet module (5), a power module (6) and a CPU module (7).
The hydraulic device (1) is connected with the load sensor (2), the load sensor (2) is connected with the load amplifier (4), the industrial personal computer (3) and the CPU module (7) are all connected with the DeviceNet module (5), and the power module (6) provides 24V DC power for the CPU module (7) and the DeviceNet module (5).
The weight of the fuel assembly is simulated by applying pressure to the load sensor (2) through the hydraulic device (1). The load sensor (2) converts the pressure applied by the hydraulic device (1) into a voltage signal, sends the voltage signal to the load amplifier (4) for filtering, amplifying and standardizing, and transmits the processed signal to the DeviceNet module (5). The information transmission of the CPU module (7), the load amplifier (4) and the industrial personal computer (3) is realized through a DeviceNet module (5), wherein the communication between the DeviceNet module (5) and the industrial personal computer (3) is realized through a TCP/IP protocol.
The hydraulic device (1) comprises a manual hydraulic pump (10), the manual hydraulic pump (10) is connected with a hydraulic cylinder (13) through a hydraulic hose (9), and a pressure gauge (8) is installed on the hydraulic hose (9) in a threaded sleeve-turning mode; the hydraulic top shaft (12) is pushed by liquid in the hydraulic cylinder (13) to extend, so that pressure is transmitted to the load sensor (2), the load sensor (2) is fixed through the hydraulic gripper (11), and the hydraulic cylinder (13) is pressed through the manual hydraulic pump (10). Meanwhile, the spring pressure gauge (8) indicates the current pressure in the hydraulic cylinder (13), and the pressure applied to the load sensor (2) can be deduced through formula conversion.
Claims (5)
1. The utility model provides a nuclear power plant's loading and unloading machine load amplifier off-line test platform which characterized in that: the device comprises a hydraulic device (1), wherein the hydraulic device (1) is connected with a load sensor (2), the load sensor (2) is connected with a load amplifier (4), and the load amplifier (4), an industrial personal computer (3) and a CPU module (7) are all connected with a DeviceNet module (5).
2. The off-line test platform for the load amplifier of the nuclear power plant handler of claim 1, wherein: the DeviceNet module (5) and the industrial personal computer (3) realize communication through a TCP/IP protocol.
3. The off-line test platform for the load amplifier of the nuclear power plant handler of claim 1, wherein: the power supply module (6) provides 24V DC power supply for the CPU module (7) and the DeviceNet module (5).
4. The off-line test platform for the load amplifier of the nuclear power plant handler of claim 1, wherein: the hydraulic device (1) comprises a manual hydraulic pump (10), the manual hydraulic pump (10) is connected with a hydraulic cylinder (13) through a hydraulic hose (9), and a pressure gauge (8) is arranged on the hydraulic hose (9); the hydraulic jacking shaft (12) is pushed to extend by liquid in the hydraulic cylinder (13), a hydraulic gripping apparatus (11) is installed on the hydraulic cylinder (13), and the load sensor (2) is fixed by the hydraulic gripping apparatus (11).
5. The off-line test platform for the load amplifier of the nuclear power plant handler of claim 1, wherein: the pressure gauge (8) is arranged on the hydraulic hose (9) in a thread-to-sleeve mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921409116.5U CN210802772U (en) | 2019-08-28 | 2019-08-28 | Off-line test platform for load amplifier of loading and unloading machine of nuclear power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921409116.5U CN210802772U (en) | 2019-08-28 | 2019-08-28 | Off-line test platform for load amplifier of loading and unloading machine of nuclear power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210802772U true CN210802772U (en) | 2020-06-19 |
Family
ID=71225466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921409116.5U Active CN210802772U (en) | 2019-08-28 | 2019-08-28 | Off-line test platform for load amplifier of loading and unloading machine of nuclear power plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210802772U (en) |
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2019
- 2019-08-28 CN CN201921409116.5U patent/CN210802772U/en active Active
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