CN205748844U - A kind of nut insert seal tightness test instrument - Google Patents
A kind of nut insert seal tightness test instrument Download PDFInfo
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- CN205748844U CN205748844U CN201620435048.XU CN201620435048U CN205748844U CN 205748844 U CN205748844 U CN 205748844U CN 201620435048 U CN201620435048 U CN 201620435048U CN 205748844 U CN205748844 U CN 205748844U
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- China
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- tank body
- main tank
- cavity
- cover plate
- upper cover
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Abstract
This utility model relates to testing specific purpose tool field, specifically discloses a kind of nut insert seal tightness test instrument, including base plate, main tank body and upper cover plate；Wherein, main tank body is drum, it is provided with an a cylindrical shape cavity a and cylindrical shape cavity b therein, cavity b is located at the lower section of cavity a, cavity a, cavity b and main tank body are coaxial, and base plate is the rectangular structure flat board that two block size shapes are identical, is relatively located at the both sides of main tank body, upper cover plate is circular plate shape, is located at the top of main tank body.This instrument problem issuable to work on the spot can carry out early warning, facilitate the timely adjusting apparatus of personnel, reduce the restriction time of work on the spot, and the operation little, easy of this test instrument volume, low cost, practicality height, can be that power plant reduces unnecessary economic cost.
Description
Technical field
This utility model belongs to test specific purpose tool field, is specifically related to a kind of nut insert seal tightness test work
Tool.
Background technology
When pressure vessels top cover is in and hangs state, nut insert can be used to protect main thread hole.In work
During, refuelling pool can be close to nut insert through water-filling stage, holding water level stage and bleeding stage
Sealing property brings huge test.This situation that can not understand nut insert sealing property in advance is to on-the-spot work
It is the most disadvantageous as progress, often because a nut insert sealing property deficiency makes screw produce corrosion
Etc. defect, this will restrict the job schedule at scene significantly.Current domestic nuclear power plant is also specifically designed for spiral shell
The work of stopple seal tightness test.
Summary of the invention
The purpose of this utility model is to provide a kind of nut insert seal tightness test instrument, it is possible to understand each
The sealing property of nut insert.
Design of the present utility model is as follows:
A kind of nut insert seal tightness test instrument includes base plate, main tank body and upper cover plate；
Described main tank body is drum, including lateral surface, medial surface, upper bottom surface and bottom surface, main
The axis of tank body is perpendicular to the ground, is provided with an annular platform on the lateral surface top of described main tank body,
Annular platform includes upper surface, lower surface, lateral surface and medial surface, the upper surface of described annular platform with
The upper bottom surface of main tank body is concordant, and the medial surface of annular platform connects with the lateral surface of main tank body, at described ring
On shape platform, circumferentially N number of screw, N >=8 are uniformly offered in direction, and screw runs through the upper surface of annular platform
And the axis parallel of lower surface, the axis of described screw and main tank body；
The inside of described main tank body is provided with an a cylindrical shape cavity a and cylindrical shape cavity b,
Described cavity a includes the upper bottom surface of upper bottom surface, bottom surface and side, the upper bottom surface of cavity a and main tank body
Concordant, described cavity b includes that upper bottom surface, bottom surface and side, described cavity b are located under cavity a
Side, the upper bottom surface of cavity b connects with the bottom surface of cavity a, under the bottom surface of cavity b and main tank body
Bottom surface is concordant, and described cavity a, cavity b and main tank body are coaxial；
Described base plate is the rectangular structure flat board that two block size shapes are identical, flat board include two long limits,
Article two, minor face and upper and lower surface, wherein side minor face is inwardly recessed, being shaped as of recess
Arc, the radian of this arc minor face is identical with the lateral surface radian of main tank body, and described base plate is located at master relatively
The both sides of tank body, the lower surface of base plate is concordant with the bottom surface of main tank body, the arc minor face of base plate and main tank
The lateral surface of body connects；
The top of main tank body is located at by described upper cover plate, and upper cover plate is circular plate shape, including upper surface, under
Surface and side, described upper cover plate is coaxial with main tank body, the diameter of described upper cover plate and the ring on main tank body
Shape platform lateral surface diameter is identical, and the lower surface of upper cover plate connects with the upper bottom surface of main tank body, at upper cover plate
On be uniformly provided with N number of screw, the upper and lower surface of described screw connection upper cover plate, and the axle of screw
Line is all parallel with the axis of upper cover plate, N number of screwhole position on screwhole position and the main tank body in lower section one a pair
Should.
Also include flange bolt and hex nut, tool coating timing, by the screw on described upper cover plate with
Screw on main tank body connects by N number of flange bolt and N number of hex nut are fixing.
Between upper bottom surface and the bottom surface of cavity a of described cavity b be angle be that the chamfering of 30 ° is connected
Structure.
Be uniformly provided with four rectangular channels in the bottom of described main tank body, groove connects the lateral surface of main tank body and interior
Side.
Inlet and outlet water interface is set in described main tank body, by the lateral surface of the main tank body of Inlet and outlet water orifice
With the side lower of cavity a, the axis of described Inlet and outlet water interface is vertical with the axis of main tank body.
Described upper cover plate is additionally provided with a pressure gauge connection and an air vent, pressure gauge connection and row
The axis of QI KOU is all parallel with the axis of upper cover plate.
The beneficial effects of the utility model are:
(1) sealing property of each nut insert can be understood ahead of time as test instrument, thus to sealing
Not enough nut insert adjusts to meet the seal request of real work in time, the most tighter safeguards
Main screw；
(2) this test instrument problem issuable to work on the spot can carry out early warning, facilitates personnel to carry
Front adjusting apparatus, is greatly reduced the restriction time of work on the spot；
(3) this test instrument volume operation little, easy, low cost, practicality height, can be that power plant reduces
Unnecessary economic cost.
Accompanying drawing explanation
Fig. 1 is nut insert seal tightness test instrument front view；
Fig. 2 is nut insert seal tightness test instrument top view；
Fig. 3 be in Fig. 2 nut insert seal tightness test instrument assembling nut insert after A-A to profile；
In figure, 1. base plate；The most main tank body；3. upper cover plate；4. flange bolt；5. hex nut；6. enter
Water outlet mouthpiece；7. pressure gauge connection；8. air vent；9. nut insert.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, this utility model is described further.
A kind of nut insert seal tightness test instrument as Figure 1-3, including base plate 1, main tank body 2 and on
Cover plate 3.
Described main tank body 2 is drum, including lateral surface, medial surface, upper bottom surface and bottom surface, main
The axis of tank body 2 is perpendicular to the ground.It is provided with a ring-shaped flat on the lateral surface top of described main tank body 2
Platform, annular platform includes upper surface, lower surface, lateral surface and medial surface.The upper table of above-mentioned annular platform
Face is concordant with the upper bottom surface of main tank body 2, and the medial surface of annular platform connects with the lateral surface of main tank body 2.
Above-mentioned annular platform is uniformly offered N number of screw, N >=8, screw run through annular platform upper surface and
The axis parallel of lower surface, the axis of above-mentioned screw and main tank body 2.
The inside of described main tank body 2 is provided with a cylindrical shape cavity a and a cylindrical shape cavity
b.Described cavity a includes upper bottom surface, bottom surface and side, and the upper bottom surface of cavity a is upper with main tank body 2
Bottom surface is concordant.Described cavity b includes upper bottom surface, bottom surface and side.Above-mentioned cavity b is located at cavity a
Lower section, the upper bottom surface of cavity b connects with the bottom surface of cavity a, the bottom surface of cavity b and main tank body 2
Bottom surface concordant, between upper bottom surface and the bottom surface of cavity a of cavity b be angle be the chamfering of 30 °
Attachment structure.Above-mentioned cavity a, cavity b and main tank body 2 are coaxial.
Be uniformly provided with four rectangular channels in the bottom of described main tank body 2, groove connects the lateral surface of main tank body 2
And medial surface.
Inlet and outlet water interface 6 is set in described main tank body, connects main tank body 2 by Inlet and outlet water interface 6
Lateral surface and the side lower of cavity a.The axis of above-mentioned Inlet and outlet water interface 6 and the axis of main tank body 2
Vertically.
Described base plate 1 is the rectangular structure flat board that two block size shapes are identical, flat board include two long
Limit, two minor faces and upper and lower surface, wherein side minor face is inwardly recessed, the shape of recess
Shape is arc, and the radian of this arc minor face is identical with the lateral surface radian of main tank body 2.Described base plate 1 phase
To being located at the both sides of main tank body 2, the lower surface of base plate 1 is concordant with the bottom surface of main tank body 2, base plate 1
Arc minor face connect with the lateral surface of main tank body 2, play the effect stably fixing main tank body 2.
The top of main tank body 2 is located at by described upper cover plate 3, and upper cover plate 3 is circular plate shape, including upper table
Face, lower surface and side, this upper cover plate 3 is coaxial with main tank body 2.The diameter of described upper cover plate 3 and master
Annular platform lateral surface diameter on tank body 2 is identical, the lower surface of upper cover plate 3 and the upper end of main tank body 2
Face connects.Upper cover plate 3 is uniformly provided with N number of screw, the upper surface of above-mentioned screw connection upper cover plate 3
And lower surface, and the axis of screw is all parallel with the axis of upper cover plate 3, screwhole position and the main tank body in lower section
N number of screwhole position one_to_one corresponding on 2.Tool coating timing, by the screw on upper cover plate 3 and main tank body
Screw on 2 is by N number of flange bolt 4 and the fixing connection of N number of hex nut 5.
Described upper cover plate 3 is additionally provided with a pressure gauge connection 7 and an air vent 8.Above-mentioned pressure
Table interface 7 is all parallel with the axis of upper cover plate 3 with the axis of air vent 8.
Claims (6)
1. a nut insert seal tightness test instrument, it is characterised in that: include base plate (1), main tank body (2)
With upper cover plate (3)；
Described main tank body (2) is drum, including lateral surface, medial surface, upper bottom surface and bottom surface,
The axis of main tank body (2) is perpendicular to the ground, is provided with one on the lateral surface top of described main tank body (2)
Annular platform, annular platform includes upper surface, lower surface, lateral surface and medial surface, described annular platform
Upper surface is concordant with the upper bottom surface of main tank body (2), the medial surface of annular platform and the outside of main tank body (2)
Face connects, and on described annular platform, circumferentially N number of screw, N >=8 are uniformly offered in direction, and screw runs through ring
The axis parallel of the upper and lower surface of shape platform, the axis of described screw and main tank body (2)；
The inside of described main tank body (2) is provided with a cylindrical shape cavity a and a cylindrical shape cavity
B, described cavity a include upper bottom surface, bottom surface and side, and the upper bottom surface of cavity a is upper with main tank body (2)
Bottom surface is concordant, and described cavity b includes that cavity a's are located in upper bottom surface, bottom surface and side, described cavity b
Lower section, the upper bottom surface of cavity b connects with the bottom surface of cavity a, the bottom surface of cavity b and main tank body (2)
Bottom surface concordant, described cavity a, cavity b and main tank body (2) are coaxial；
Described base plate (1) is the rectangular structure flat board that two block size shapes are identical, flat board include two long
Limit, two minor faces and upper and lower surface, wherein side minor face is inwardly recessed, the shape of recess
For arc, the radian of this arc minor face is identical with the lateral surface radian of main tank body (2), described base plate (1)
Relatively being located at the both sides of main tank body (2), the lower surface of base plate (1) is concordant with the bottom surface of main tank body (2),
The arc minor face of base plate (1) connects with the lateral surface of main tank body (2)；
The top of main tank body (2) is located at by described upper cover plate (3), and upper cover plate (3) is circular plate shape, bag
Including upper surface, lower surface and side, described upper cover plate (3) is coaxial with main tank body (2), described upper cover plate
(3) diameter is identical with the annular platform lateral surface diameter on main tank body (2), the following table of upper cover plate (3)
Face connects with the upper bottom surface of main tank body (2), is uniformly provided with N number of screw, described spiral shell on upper cover plate (3)
The upper and lower surface in hole connection upper cover plate (3), and the axis of screw all with the axis of upper cover plate (3)
Parallel, screwhole position and the N number of screwhole position one_to_one corresponding on the main tank body in lower section (2).
2. according to a kind of nut insert seal tightness test instrument described in claim 1, it is characterised in that: also wrap
Including flange bolt (4) and hex nut (5), tool coating timing, by the spiral shell on described upper cover plate (3)
Screw on Kong Yuzhu tank body (2) is fixed by N number of flange bolt (4) and N number of hex nut (5)
Connect.
3. according to a kind of nut insert seal tightness test instrument described in claim 2, it is characterised in that: described
Cavity b upper bottom surface and the bottom surface of cavity a between be angle be the chamfering attachment structure of 30 °.
4. according to a kind of nut insert seal tightness test instrument described in claim 3, it is characterised in that: in institute
Stating the bottom of main tank body (2) and be uniformly provided with four rectangular channels, groove connects the lateral surface of main tank body (2) and interior
Side.
5. according to a kind of nut insert seal tightness test instrument described in claim 4, it is characterised in that: in institute
State and main tank body (2) arranges Inlet and outlet water interface (6), connect main tank body (2) by Inlet and outlet water interface (6)
Lateral surface and the side lower of cavity a, the axis of described Inlet and outlet water interface (6) and main tank body (2)
Axis is vertical.
6. according to a kind of nut insert seal tightness test instrument described in claim 5, it is characterised in that: in institute
State and on upper cover plate (3), be additionally provided with a pressure gauge connection (7) and an air vent (8), pressure gauge connection
(7) all parallel with the axis of upper cover plate (3) with the axis of air vent (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620435048.XU CN205748844U (en) | 2016-05-13 | 2016-05-13 | A kind of nut insert seal tightness test instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620435048.XU CN205748844U (en) | 2016-05-13 | 2016-05-13 | A kind of nut insert seal tightness test instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205748844U true CN205748844U (en) | 2016-11-30 |
Family
ID=57365646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620435048.XU Active CN205748844U (en) | 2016-05-13 | 2016-05-13 | A kind of nut insert seal tightness test instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205748844U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113865803A (en) * | 2021-09-28 | 2021-12-31 | 师大瑞利光电科技(清远)有限公司 | Tightness detection device |
-
2016
- 2016-05-13 CN CN201620435048.XU patent/CN205748844U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113865803A (en) * | 2021-09-28 | 2021-12-31 | 师大瑞利光电科技(清远)有限公司 | Tightness detection device |
| CN113865803B (en) * | 2021-09-28 | 2024-02-20 | 师大瑞利光电科技(清远)有限公司 | Tightness detection device |
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| GR01 | Patent grant |