CN201488688U - Underwater clearance measuring feeler gauge - Google Patents
Underwater clearance measuring feeler gauge Download PDFInfo
- Publication number
- CN201488688U CN201488688U CN200920167474XU CN200920167474U CN201488688U CN 201488688 U CN201488688 U CN 201488688U CN 200920167474X U CN200920167474X U CN 200920167474XU CN 200920167474 U CN200920167474 U CN 200920167474U CN 201488688 U CN201488688 U CN 201488688U
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- CN
- China
- Prior art keywords
- clearance
- measuring
- gage beam
- under water
- spacer pin
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model relates to the field of the design of the measuring device, in particular to an underwater clearance measuring feeler gauge. In the technical scheme, a measuring arm is arranged on a measuring device body through a rotating pendulum shaft and a hexagonal nut, the outer end of the measuring arm is provided with a measuring claw, the measuring claw is provided with a measuring feeler gauge piece, and a through hole operator can drive the hexagonal nut through a long rod tool on the water surface so as to control the swinging of the measuring arm. In addition, the measuring device body is provided with a measuring arm retraction limit pin and a measuring arm extension limit pin to limit the swinging scope of the measuring arm. The utility model can measure the clearance between the support legs of the novel radiation monitoring tube bracket and the outer wall of the pressure vessel hanging basket, can provide the direct and accurate data on the clearance, and has the advantages of simple structure and low cost.
Description
Technical field
The utility model belongs to the measurement mechanism design field, is specifically related to a kind of clearance gauge of clearance measurement under water device.
Background technology
PWR nuclear power plant is carrying out irradiation monitoring pipe when repairing under water, and the irradiation pipe holder that look for novelty is installed and must be carried out under water, and operating personnel implement on the water surface at a distance.New irradiation pipe holder installation site centrad requires 1mm, 6 layers totally 12 feets should be tight with the applying of reactor pressure vessel hanging basket member outer wall for new irradiation pipe holder, effectively contact fitting area more than 70 percent, and non-contacting gap is not more than 0.2mm between the two.
Therefore when carrying out irradiation monitoring pipe repair under water, need provide a kind of can diving beneath the water to arrive the clearance gauge device in new irradiation pipe holder precalculated position, and finish and measure gap operating between new irradiation monitoring pipe bracket leg spike and the pressure vessel hanging basket outer wall, direct, the accurate data in this type of gap are provided, meet technical requirement in order to prove that new irradiation pipe holder is installed.
Summary of the invention
The purpose of this utility model is to provide a kind of clearance gauge of clearance measurement under water device, is used to measure the gap between new irradiation monitoring pipe bracket leg spike and the pressure vessel hanging basket outer wall.
The technical solution of the utility model is as follows:
A kind of clearance gauge of clearance measurement under water device, wherein: it comprises base plate, fixedly mount framework on the base plate, two side plates and two plate faces up and down about said framework comprises, upper face is provided with gage beam retraction spacer pin and gage beam stretches out spacer pin, rotating balance staff one end is connected with the upper and lower plates face, the other end that rotates balance staff is fixedlyed connected with gage beam, the part of stretching out on the gage beam is provided with six square nuts, and the outer end of gage beam is provided with measuring claw, and measuring claw is provided with the measurement feeler leaf, described measurement feeler leaf is a rectangular tab, thin slice one end is a circular arc, and the other end has circular hole, has a through hole on described six square nuts.
In the above-mentioned clearance gauge of clearance measurement under water device, the measurement mechanism base plate is provided with fastening screw and dowel hole for four jiaos, by being located at trip bolt and the fastening clearance measurement under water of the register pin clearance gauge device in its hole respectively, make its location after be not subjected to displacement.
In the above-mentioned clearance gauge of clearance measurement under water device, the measurement mechanism body is provided with gage beam retraction spacer pin and gage beam stretches out spacer pin, is used for limiting the hunting range of gage beam.
Technique effect of the present utility model: rotation balance staff and six square nuts install and measure arm on the measurement mechanism body, the outer end of gage beam is provided with measuring claw, measuring claw is provided with the measurement feeler leaf, the through hole operating personnel can be with stock tool drives six square nuts on the water surface, the swing of control survey arm, stretch out spacer pin by on the measurement mechanism body, installing and measuring arm retraction spacer pin and gage beam in addition, be used for limiting the hunting range of gage beam.Finish and measure gap operating between new irradiation monitoring pipe bracket leg spike and the pressure vessel hanging basket outer wall, provide direct, the accurate data in this type of gap, simple in structure and low in cost.
Description of drawings
The one-piece construction side view of the clearance gauge of the clearance measurement under water device that Fig. 1 provides for the utility model;
The one-piece construction vertical view of the clearance gauge of the clearance measurement under water device that Fig. 2 provides for the utility model;
The one-piece construction rear view of the clearance gauge of the clearance measurement under water device that Fig. 3 provides for the utility model;
The clearance gauge of the clearance measurement under water device feeler leaf synoptic diagram that Fig. 4 a provides for the utility model;
The clearance gauge of the clearance measurement under water device feeler leaf side view that Fig. 4 b provides for the utility model;
The clearance gauge of the clearance measurement under water measurement device pawl synoptic diagram that Fig. 5 provides for the utility model;
Among the figure: 1. six square nuts; 2. framework; 3. base plate; 4. rotation balance staff; 5. feeler leaf; 6. measuring claw; 7. gage beam; 8. gage beam retraction spacer pin; 9. fastening screw; 10. dowel hole; 11. fastening screw; 12. dowel hole; 13. gage beam stretches out spacer pin; 14. register pin; 15. trip bolt; 16. circular hole.
Embodiment
Below in conjunction with drawings and the specific embodiments the utility model is described in further detail.
As Fig. 1～shown in Figure 3, the diagonal angle has fastening screw 9,11 and dowel hole 10,12 on 3 four jiaos of the measurement mechanism base plates, by being installed in trip bolt 15 and the register pin 14 fastening clearance gauge of the clearance measurement under water devices in its hole respectively, make its location after be not subjected to displacement; Pass through screw retention installation frame 2 on the measurement mechanism base plate 3, two side plates and two plate faces up and down about said framework 2 comprises, two side plates are positioned on the base plate 3, and support a lower face that extends base plate 3 one ends, upper face is positioned at the top of lower face elongated end, side plate and base plate 3, upper face and side plate, adopt bolt to connect between two plate faces up and down, and two spacer pins are installed on upper face, be that gage beam retraction spacer pin 8 and gage beam stretch out spacer pin 13, have through hole on upper face and the lower face, an end that rotates balance staff 4 passes through hole, be installed on the top panel by bearing and bearing (ball) cover, one end of gage beam 7 has screw, the other end that rotates balance staff 4 is fixedlyed connected with gage beam 7 by this screw, and stretching out part on the gage beam 7, that six square nuts 1 are installed is fixing, can be by this six square nut 1 operating personnel with stock tool drives six square nuts 1 on the water surface, the swing of control survey arm 7, stretch out spacer pin 13 by on measurement mechanism body 2, installing and measuring arm retraction spacer pin 8 and gage beam in addition, be used for limiting the hunting range of gage beam 7.
Shown in Fig. 4 a and Fig. 4 b, the measurement feeler leaf 5 in the present embodiment is a rectangular tab, and thin slice one end is a circular arc, and the other end has circular hole 16, and insertion screw or register pin can make feeler leaf be fixed in the finedraw of measuring claw 6 in this hole.
As shown in Figure 5, the measuring claw 6 in the present embodiment is two triangular plates, accompanies to measure feeler leaf 5 between two triangular plates, fixes utilizing screw will measure feeler leaf 5.
When this device uses, adopt lift cart as a worktable, carry clearance measurement clearance gauge device under water, hydraulic cylinder is installed on the lift cart, be used to provide under water that the horizontal direction of clearance gauge measurement mechanism moves feeding power, make it finish on delivery track that vertical direction is upper and lower to be moved.
At first select the feeler leaf 5 of thickness different size during use according to measurement requirement, be installed on the measuring claw 6, be put into retracted position with gage beam 7 this moment, worked by gage beam 7 withdrawal spacer pins 8.Lift cart moves up and down along the conveying device track, arrive and estimate the measuring position, hydraulic cylinder promotes measurement mechanism base plate 3 and protracts, making under water, clearance measurement clearance gauge device arrives the measuring position, operating personnel measure making gage beam 7 at withdrawal spacer pin 8 and stretch out between the spacer pin 13 and swing with stock tool drives six square nuts 1 on the water surface, control under water about the dolly, the front and back feeding, guarantee that feeler leaf 5 inserts the gap that will measure, reading numerical values.
Claims (3)
1. clearance measurement clearance gauge device under water, it is characterized in that: it comprises base plate (3), base plate (3) is gone up fixed installation framework (2), two side plates and two plate faces up and down about said framework (2) comprises, upper face is provided with gage beam retraction spacer pin (8) and gage beam stretches out spacer pin (13), rotating balance staff (4) one ends is connected with the upper and lower plates face, the other end that rotates balance staff (4) is fixedlyed connected with gage beam (7), the part of stretching out on the gage beam (7) is provided with six square nuts (1), the outer end of gage beam (7) is provided with measuring claw (6), measuring claw (6) is provided with measures feeler leaf (5), described measurement feeler leaf (5) is a rectangular tab, thin slice one end is a circular arc, and the other end has circular hole (16), has a through hole on described six square nuts (1).
2. a kind of clearance gauge of clearance measurement under water device as claimed in claim 1, it is characterized in that: base plate is provided with fastening screw (9 for (3) four jiaos, 11) and dowel hole (10,12), by being located at trip bolt (15) and the fastening clearance measurement under water of register pin (14) the clearance gauge device in its hole respectively, make its location after be not subjected to displacement.
3. a kind of clearance gauge of clearance measurement under water device as claimed in claim 1 or 2 is characterized in that: be provided with gage beam retraction spacer pin (8) and gage beam and stretch out spacer pin (13) on measurement mechanism body (2), be used for limiting the hunting range of gage beam (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920167474XU CN201488688U (en) | 2009-07-24 | 2009-07-24 | Underwater clearance measuring feeler gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920167474XU CN201488688U (en) | 2009-07-24 | 2009-07-24 | Underwater clearance measuring feeler gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201488688U true CN201488688U (en) | 2010-05-26 |
Family
ID=42427563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920167474XU Expired - Lifetime CN201488688U (en) | 2009-07-24 | 2009-07-24 | Underwater clearance measuring feeler gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201488688U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107024163A (en) * | 2017-05-15 | 2017-08-08 | 上海电机学院 | A kind of laser detector for the pre- twisted blade of steam turbine |
| CN111435067A (en) * | 2019-01-15 | 2020-07-21 | 浙江中捷缝纫科技有限公司 | Detection mechanism |
| CN113910024A (en) * | 2021-10-27 | 2022-01-11 | 一汽解放汽车有限公司 | Method for adjusting swing range of active measuring instrument and grinding machine |
-
2009
- 2009-07-24 CN CN200920167474XU patent/CN201488688U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107024163A (en) * | 2017-05-15 | 2017-08-08 | 上海电机学院 | A kind of laser detector for the pre- twisted blade of steam turbine |
| CN111435067A (en) * | 2019-01-15 | 2020-07-21 | 浙江中捷缝纫科技有限公司 | Detection mechanism |
| CN113910024A (en) * | 2021-10-27 | 2022-01-11 | 一汽解放汽车有限公司 | Method for adjusting swing range of active measuring instrument and grinding machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100526 |