CN205038231U - Supplementary water supply system pneumatic pump rotational speed accuracy of measurement's of nuclear power station calibration equipment - Google Patents
Supplementary water supply system pneumatic pump rotational speed accuracy of measurement's of nuclear power station calibration equipment Download PDFInfo
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- CN205038231U CN205038231U CN201520733839.6U CN201520733839U CN205038231U CN 205038231 U CN205038231 U CN 205038231U CN 201520733839 U CN201520733839 U CN 201520733839U CN 205038231 U CN205038231 U CN 205038231U
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Abstract
The utility model is suitable for a million multikilowatt nuclear power station key technology fields disclose a supplementary water supply system pneumatic pump rotational speed accuracy of measurement's of nuclear power station calibration equipment, and calibration equipment includes check table, and check table is last to be provided with the installation axle that is used for installing the check -up magnetic disc and to be used for drive installation axle pivoted driving motor, the check -up magnetic disc can dismantle connect in the installation epaxial, the relative support piece who is used for installing accuracy of measurement that sets up with the installation axle, accuracy of measurement connects on support piece, calibration equipment is still including the rotational speed setting that is used for setting for the driving motor rotational speed and the rotational speed display instrument that is used for showing the rotational speed data that accuracy of measurement detected. The utility model provides a pair of supplementary water supply system pneumatic pump rotational speed accuracy of measurement's of nuclear power station calibration equipment, it installs simple structure, convenient operation, can be accurate detection accuracy of measurement's usability, improved the efficiency that the pneumatic pump overhauld and maintained, ensure the equipment reliability of operation, reduced the loss.
Description
Technical field
The utility model relates to million kilowatt nuclear power station key technology area, particularly relates to the calibration equipment of a kind of auxiliary water feed system of nuclear power plant pneumatic pump tachometric survey probe.
Background technology
Ridge Australia second phase auxiliary water feed system of nuclear power plant (ASG) steam feed pump is different with Daya Bay nuclear power plant from ridge Australia first phase, and its tachometric survey principle and mode are not identical yet.The magnetic pole of ridge Australia second phase by adopting eddy current probe to respond to rotation, then measure rotating speed according to the change in magnetic field, thus the reliability of magnetic pole and probe just decides the accuracy of tachometric survey.And the metering verification center of company cannot verify the reliability of magnetic pole and probe at present, the verification of magnetic pole and probe lacks calibration tool and method of calibration.As needed verification, outer inspection need be sent, can the plenty of time be wasted like this.This is when equipment failure, to greatly extend the time of fault diagnosis process, because of first group of I0 (the unavailable first group of event of equipment, set state recession after 3 days) of the unavailable generation of equipment, and affect the nuclear safety of unit, easily incur loss through delay critical path during overhaul.As in 2012, L3ASG003PO (ridge Australia second phase No. 3 machine auxiliary feedwater systems No. 3 pumps) running fire two equipment I OE (power plant's internal operation event), all because of the availability that cannot ensure timely to pop one's head in, cause pneumatic pump unavailable for a long time, wherein L302 (ridge Australia second phase No. 3 machines the 2nd take turns overhaul) overhaul incurs loss through delay critical path tens hours because of this reason, decrease generating dutation, cause larger economic loss, thus the calibration equipment of a set of steam feed pump rotating speed measurement method and measuring sonde is designed, for the inspection and maintenance of everyday devices, it is the problem needing solution badly.
Utility model content
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, provide the calibration equipment of a kind of auxiliary water feed system of nuclear power plant pneumatic pump tachometric survey probe, its apparatus structure is simple, easy to operate, accurately can detect the availability of measuring sonde, improve the efficiency of pneumatic pump inspection and maintenance, guarantee equipment reliability of operation, decrease loss.
The technical solution of the utility model is: a kind of calibration equipment of auxiliary water feed system of nuclear power plant pneumatic pump tachometric survey probe, for verifying the availability of measuring sonde, described calibration equipment comprises checking table, described checking table is provided with for the installation shaft of installation and checking disk and the drive motor for driving described installation shaft to rotate, described verification disk is removably connected in described installation shaft; Be oppositely arranged the support member for installing and measuring probe with described installation shaft, described measuring sonde is connected on described support member; Described calibration equipment also comprises the speed setting device for setting described drive motor rotating speed and the rotating speed display instrument for showing the rotary speed data that described measuring sonde detects.
Particularly, coupling assembling is established between described verification disk and described installation shaft, described coupling assembling comprises connector, pad and securing member, described connector one end is connected with described installation shaft, the other end passes the center pit of described verification disk and is connected with described securing member, and described shim clip is located between described verification disk and described securing member.
Particularly, described connector is provided with the positioning step for locating described verification disk installation site.
Particularly, described connector is provided with the location snap ring for locating described verification disk installation site.
Particularly, the described connector one end that is connected with described installation shaft offers and is connected slot, and described installation shaft is inserted in described connection slot.
Particularly, described connector is provided with guiding tip through one end of described verification disk center pit.
Preferably, described securing member is set nut.
Particularly, described speed setting device is provided with for setting the detection pressing keyboard of rotating speed and the display screen for display setting rotating speed.
Particularly, the detection rotating speed of described speed setting device setting is 3000 or 6000 or 9000 or 12000 rev/min.
Further, described calibration equipment also comprises mounting base, and described checking table, described drive motor and described support member are all fixedly installed on described mounting base.
The calibration equipment of a kind of auxiliary water feed system of nuclear power plant pneumatic pump tachometric survey probe that the utility model provides, by arranging checking table, speed setting device and rotating speed display instrument, thus, verification disk is arranged on checking table, and the rotating speed of verification disk is set by speed setting device, and the rotating speed of measuring sonde detection check disk.Like this, judge the accuracy between the rotating speed that measuring sonde detects and the rotating speed of setting by contrast, just can know that measuring sonde detects and whether can use.This calibration equipment structure is simple, and check results reliability is high, accurately can verify the availability of measuring sonde, and verification efficiency is high, thus improves steam feed pump inspection and maintenance efficiency, decreases loss.
Accompanying drawing explanation
Fig. 1 is the right view of the calibration equipment of the auxiliary water feed system of nuclear power plant pneumatic pump tachometric survey probe that the utility model embodiment provides;
Fig. 2 is the front elevation of the calibration equipment of the auxiliary water feed system of nuclear power plant pneumatic pump tachometric survey probe that the utility model embodiment provides;
Fig. 3 is the utility model embodiment coupling assembling provided and decomposing schematic representation verifying disk;
Fig. 4 is the utility model embodiment coupling assembling provided and assembling schematic diagram verifying disk.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Figure 1, the calibration equipment 1 of a kind of auxiliary water feed system of nuclear power plant pneumatic pump tachometric survey probe that the utility model embodiment provides, for verifying the availability of measuring sonde 2.By this calibration equipment 1, the fault of measuring sonde 2 can be judged easily, comprise processing module, wiring etc., thus improve the efficiency of ASG pneumatic pump maintenance.
As depicted in figs. 1 and 2, in the present embodiment, this calibration equipment 1 comprises checking table 11, and checking table 11 is provided with the installation shaft (not shown) of installation and checking disk 2 and the drive motor 12 for the rotation of drive installation axle, verification disk 2 is removably connected in installation shaft; Be oppositely arranged the support member 13 for installing and measuring probe 3 with installation shaft, measuring sonde 3 is connected on support member 13; Calibration equipment 1 also comprises the rotating speed display instrument 15 of the speed setting device 14 for setting drive motor 12 rotating speed and 3 rotary speed datas detected of popping one's head in for display measurement.By such setting, verification disk 2 is installed on the mounting shaft, then rotate and the magnetic field that changes under the driving of drive motor 12, thus the working environment of ASG pneumatic pump when actual rotation can be simulated, now come the magnetic field of change detected by this measuring sonde 3, and produce pulse signal and achieve the measurement verifying disk 2 rotating speed.In the present embodiment, for realizing detecting the availability of measuring sonde 3, just the rotating speed of drive motor 12 is set by speed setting device 14, and then the control achieved verification disk 2 rotating speed, then carry out the rotating speed of detection check disk 2 by measuring sonde 3 and know display on rotating speed display instrument 15, accuracy between the rotating speed detected finally by measurement of comparison probe 3 and the actual rotating speed arranged, just can judge the availability of measuring sonde 3.This calibration equipment 1 structure is simple, detect simple to operate, and check results reliability is high, accurately can verifies the availability of measuring sonde 3.
The calibration equipment 1 of the auxiliary water feed system of nuclear power plant pneumatic pump tachometric survey probe that the utility model embodiment provides, by arranging checking table 11, speed setting device 14 and rotating speed display instrument 15.Thus, verification disk 2 is arranged on checking table 11, ASG pneumatic pump can be simulated and rotate the magnetic field state changed, and measuring sonde 3 to be verified is just being arranged verification disk 2, and be electrically connected with rotating speed display instrument 15.Like this, the rotating speed of verification disk 2 is set by speed setting device 14, then measuring sonde 3 detection check disk 2 rotating speed and shown by rotating speed display instrument 15, thus the rotating speed of the rotating speed detected according to measuring sonde 3 and actual set carries out contrast judges, and judge the availability of measuring sonde 3 according to the criterion of existing formulation.This calibration equipment 1 verifies efficiency and verification accuracy is high, thus improves steam feed pump inspection and maintenance efficiency, decreases loss.Meanwhile, improve to effect ridge Australia second phase engineered safeguards features reliability, simultaneously for the application in many bases creates condition, applied range.
Particularly, as shown in Figures 1 to 4, verification disk 2 can be directly installed in installation shaft, also can be connected with installation shaft by other connecting elements.And in the present embodiment, for improving verification disk 2 and the convenience be connected between installation shaft, coupling assembling 16 is provided with between verification disk 2 and installation shaft, this coupling assembling 16 comprises connector 161, pad 162 and securing member 163, connector 161 one end is connected with installation shaft, the other end passes the center pit of verification disk 2 and is connected with securing member 163, and pad 162 then sandwiched folded being located at verifies between disk 2 and securing member 163, to increase the lifting surface area of verification disk 2.Adopt such connected mode, improve verification disk 2 and the convenience be connected between installation shaft, and good stability, be also convenient to dismounting.
Particularly, as shown in Figure 3 and Figure 4, for ease of the installation site of location and check disk 2, connector 161 is provided with the positioning step for location and check disk 2 installation site.Limited the installation site of verification disk 2 by this positioning step, guarantee to verify the fixing stability of disk 2.Certainly, the location snap ring 164 for location and check disk 2 installation site also can be provided with on connector 161.The diameter of this location snap ring 164 is greater than the diameter of verification disk 2 center pit, thus when mounted, this location snap ring 164 supports the back side at verification disk 2, and the location achieving verification disk 2 installation site is fixed.
Particularly, as shown in Figure 3 and Figure 4, in the present embodiment, connector 161 one end that is connected with installation shaft offers and is connected slot 16 5, and installation shaft is inserted in and connects in slot 16 5.Like this, improve property easy to connect between connector 161 and installation shaft, and the transversal section connecting slot 16 5 is square, thus the situation of skidding when avoiding rotating occurs, and ensure that the reliability driving verification disk 2 turns.
Particularly, as shown in Figure 3 and Figure 4, realize connecting through the center pit of verification disk 2 for the ease of connector 161, at connector 161, the one end verifying disk 2 center pit is provided with guiding tip 166.Thus can be led by guiding tip 166, improve the convenience that verification disk 2 is installed.
Preferably, in the present embodiment, this securing member 163 is set nut, as square-head nut or wing nut etc.Easy to connect, good stability, and convenient disassembly.
Particularly, as shown in Figure 2, for the ease of the detection rotating speed on setting speed setting device 14 exactly, be just provided with on speed setting device 14 and detect the pressing keyboard 141 of rotating speed and the display screen 142 for display setting rotating speed for setting.Thus can intuitively, exactly set detection rotating speed, guarantee the reliability of check results.
Particularly, for guaranteeing the accuracy that measuring sonde 3 verifies, multiple detection rotating speed is just set to verify the availability of measuring sonde 3.In the present embodiment, the detection rotating speed that speed setting device 14 sets is respectively 3000 or 6000 or 9000 or 12000 rev/min.By repetitive measurement, avoid error, guarantee the accuracy of check results.Certainly, understandably, according to verification requirement, also can be arranged to other rotating speed, not limit at this.
Further, as depicted in figs. 1 and 2, calibration equipment 1 also comprises mounting base 17, then when assembling, checking table 11, drive motor 12 and support member 13 being all fixedly installed on mounting base 17, thus ensure that integrally-built compactedness and stability.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace or improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. the calibration equipment of an auxiliary water feed system of nuclear power plant pneumatic pump tachometric survey probe, for verifying the availability of measuring sonde, it is characterized in that, described calibration equipment comprises checking table, described checking table is provided with for the installation shaft of installation and checking disk and the drive motor for driving described installation shaft to rotate, described verification disk is removably connected in described installation shaft; Be oppositely arranged the support member for installing and measuring probe with described installation shaft, described measuring sonde is connected on described support member; Described calibration equipment also comprises the speed setting device for setting described drive motor rotating speed and the rotating speed display instrument for showing the rotary speed data that described measuring sonde detects.
2. the calibration equipment of auxiliary water feed system of nuclear power plant pneumatic pump tachometric survey probe as claimed in claim 1, it is characterized in that, coupling assembling is established between described verification disk and described installation shaft, described coupling assembling comprises connector, pad and securing member, described connector one end is connected with described installation shaft, the other end passes the center pit of described verification disk and is connected with described securing member, and described shim clip is located between described verification disk and described securing member.
3. the calibration equipment of auxiliary water feed system of nuclear power plant pneumatic pump tachometric survey probe as claimed in claim 2, is characterized in that, described connector being provided with the positioning step for locating described verification disk installation site.
4. the calibration equipment of auxiliary water feed system of nuclear power plant pneumatic pump tachometric survey probe as claimed in claim 2, is characterized in that, described connector being provided with the location snap ring for locating described verification disk installation site.
5. as the calibration equipment of the auxiliary water feed system of nuclear power plant pneumatic pump tachometric survey probe in claim 2 to 4 as described in any one, it is characterized in that, the described connector one end that is connected with described installation shaft offers and is connected slot, and described installation shaft is inserted in described connection slot.
6., as the calibration equipment of the auxiliary water feed system of nuclear power plant pneumatic pump tachometric survey probe in claim 2 to 4 as described in any one, it is characterized in that, described connector is provided with guiding tip through one end of described verification disk center pit.
7., as the calibration equipment of the auxiliary water feed system of nuclear power plant pneumatic pump tachometric survey probe in claim 2 to 4 as described in any one, it is characterized in that, described securing member is set nut.
8. as the calibration equipment of the auxiliary water feed system of nuclear power plant pneumatic pump tachometric survey probe in Claims 1-4 as described in any one, it is characterized in that, described speed setting device is provided with and detects the pressing keyboard of rotating speed and the display screen for display setting rotating speed for setting.
9. as the calibration equipment of the auxiliary water feed system of nuclear power plant pneumatic pump tachometric survey probe in Claims 1-4 as described in any one, it is characterized in that, the detection rotating speed of described speed setting device setting is 3000 or 6000 or 9000 or 12000 rev/min.
10. as the calibration equipment of the auxiliary water feed system of nuclear power plant pneumatic pump tachometric survey probe in Claims 1-4 as described in any one, it is characterized in that, described calibration equipment also comprises mounting base, and described checking table, described drive motor and described support member are all fixedly installed on described mounting base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520733839.6U CN205038231U (en) | 2015-09-21 | 2015-09-21 | Supplementary water supply system pneumatic pump rotational speed accuracy of measurement's of nuclear power station calibration equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520733839.6U CN205038231U (en) | 2015-09-21 | 2015-09-21 | Supplementary water supply system pneumatic pump rotational speed accuracy of measurement's of nuclear power station calibration equipment |
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| CN205038231U true CN205038231U (en) | 2016-02-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520733839.6U Active CN205038231U (en) | 2015-09-21 | 2015-09-21 | Supplementary water supply system pneumatic pump rotational speed accuracy of measurement's of nuclear power station calibration equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110865208A (en) * | 2019-11-27 | 2020-03-06 | 湖南声仪测控科技有限责任公司 | Special tool for detecting Hall speed sensor |
| CN114428179A (en) * | 2020-09-29 | 2022-05-03 | 中国石油化工股份有限公司 | Off-line simulation inspection method and system for rotating speed probe |
-
2015
- 2015-09-21 CN CN201520733839.6U patent/CN205038231U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110865208A (en) * | 2019-11-27 | 2020-03-06 | 湖南声仪测控科技有限责任公司 | Special tool for detecting Hall speed sensor |
| CN114428179A (en) * | 2020-09-29 | 2022-05-03 | 中国石油化工股份有限公司 | Off-line simulation inspection method and system for rotating speed probe |
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