CN211401205U - Be used for whole protection device of nuclear power plant ground observation datum point - Google Patents
Be used for whole protection device of nuclear power plant ground observation datum point Download PDFInfo
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- CN211401205U CN211401205U CN202020380058.4U CN202020380058U CN211401205U CN 211401205 U CN211401205 U CN 211401205U CN 202020380058 U CN202020380058 U CN 202020380058U CN 211401205 U CN211401205 U CN 211401205U
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Abstract
The utility model relates to a nuclear power plant industrial safety manages technical field, specifically is a be used for whole protection device of nuclear power plant ground observation datum point. An integral protection device for a ground observation datum point of a nuclear power plant comprises a protection shell, a first protection shell and a second protection shell, wherein the protection shell is formed by surrounding steel plates; the cover plate is connected with the edge of one axial end of the protective shell through a hinge; the ground fixing plate is welded with the other end of the protective shell in the axial direction and is provided with a threaded hole which vertically penetrates through the ground fixing plate; the nut and the expansion screw rod are used for connecting the ground fixing plate with the ground through the threaded hole. The protection device is convenient to disassemble and assemble, and can be quickly and effectively arranged around the ground observation datum point; the protection effect is good, and the datum point can be reliably and effectively protected; the manufacturing cost is low, the construction can be repeatedly utilized, and the economic benefit of construction is improved.
Description
Technical Field
The utility model relates to a nuclear power plant industrial safety manages technical field, specifically is a be used for whole protection device of nuclear power plant ground observation datum point.
Background
During the construction of the nuclear power plant, a primary measurement observation network, a secondary measurement observation network and the like are arranged and used for data measurement in the construction process. Part of the measurement observation datum points are arranged on the ground, and if the ground observation datum points are not effectively protected, the damage of the observation datum points and the distortion of measurement data are easily caused, so that the construction quality of a project is influenced.
Therefore, it is desirable to invent a device for protecting a ground observation reference point.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the problem that prior art exists, provided a be used for whole protection device of nuclear power plant ground observation datum point, it is good to have a protecting effect, and installation, use are convenient, advantage such as with low costs.
The utility model provides a technical scheme that its technical problem adopted is: a whole protection device for nuclear power plant ground observation datum point includes
The protective shell is surrounded by a steel plate;
the cover plate is connected with the edge of one axial end of the protective shell through a hinge;
the ground fixing plate is welded with the other end of the protective shell in the axial direction and is provided with a threaded hole which vertically penetrates through the ground fixing plate;
the nut and the expansion screw rod are used for connecting the ground fixing plate with the ground through the threaded hole.
Preferably, a limiting block is welded at one axial end of the protective shell; the cover plate is provided with a through hole allowing the limiting block to be inserted; the limiting block protrudes out of the perforation part and is provided with a limiting block dismounting hole.
Preferably, the cross section of the protective shell comprises a circular arc part and a straight line part; the cross section of the cover plate comprises a second arc part and a second straight line part; the linear portion of the protective shell and the linear portion II of the cover plate are used for arranging the hinge.
Preferably, the diameter of the second arc portion of the cover plate is larger than that of the arc portion of the protective shell.
Preferably, the ground fixing plate is provided with an arc-shaped welding opening.
Preferably, a gasket is further arranged between the threaded hole and the nut.
Preferably, at least two ground fixing plates are provided.
Preferably, the number of the ground fixing plates is two.
Advantageous effects
The protection device is convenient to disassemble and assemble, and can be quickly and effectively arranged around the ground observation datum point; the protection effect is good, and the datum point can be reliably and effectively protected; the manufacturing cost is low, the construction can be repeatedly utilized, and the economic benefit of construction is improved.
Drawings
FIG. 1 is a top view of the integrated nuclear plant ground observation datum point protection device of the present application;
fig. 2 is a rear view of the protective device of fig. 1.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
As shown in fig. 1 and 2, the overall protection device for the ground observation reference point of the nuclear power plant comprises a protection shell 1, a cover plate 2, a ground fixing plate 5, a nut 7 and an expansion screw 8. The protective shell 1 is formed by steel plate enclosure, and the protective shell 1 with any suitable shape can be formed by bending and welding the steel plates. The cover plate 2 is connected with the edge of one axial end of the protective shell 1 through a hinge 3, and the cover plate 2 can be turned over and opened and closed through the hinge 3. The ground fixing plate 5 is welded with the other end of the protective shell 1 in the axial direction, and is provided with a vertical threaded hole penetrating through the ground fixing plate 5. Ground fixed plate 5 is equipped with the arc welding mouth that sets up with 1 shape fit of protective housing, and the ground fixed plate 5 of being convenient for carries out welding operation with protective housing 1. The nut 7 and the expansion screw 8 connect the ground fixing plate 5 with the ground through the threaded hole.
A limiting block 4 is welded at one axial end of the protective shell 1, and the cover plate 2 is provided with a through hole allowing the limiting block 4 to be inserted. Stopper 4 protrusion the perforation part is equipped with locating part dismouting hole, and the locating part can be the trick lock, and after locating part dismouting hole ann went up the trick lock, apron 2 just can not be opened by other people, when the staff wants to open apron 2, only need open the trick lock can, the setting of stopper 4 and locating part has improved the security performance of protective housing 1.
The cross section of the protective shell 1 comprises an arc portion and a straight line portion, the cross section of the cover plate 2 comprises an arc portion II and a straight line portion II, and the straight line portion of the protective shell 1 and the straight line portion II of the cover plate 2 are used for arranging the hinge 3. The arrangement of the arc part enables the space of the protective shell 1 to be as large as possible, and the ground observation reference point can be conveniently used. The arrangement of the straight line part is convenient for installing the hinge 3.
The diameter of the second arc part of the cover plate 2 is larger than that of the first arc part of the protective shell 1. On one hand, the entrance of the protective shell 1 can be completely blocked, and the protection effect is improved; on the other hand, the cover plate 2 is convenient to be pinched by hands, and the cover plate 2 is convenient to open and close; moreover, the arrangement of the through holes is convenient.
The threaded hole with still be equipped with gasket 6 between the nut 7 for ground fixed plate 5 is connected more firmly with nut 7, expansion screw 8, and then makes ground fixed plate 5 be connected more firmly with ground.
The ground fixing plates 5 are at least two to ensure the stability of the protective shell 1. The quantity that sets up of ground fixed plate 5 is two, and the symmetry sets up, is guaranteeing to satisfy under the prerequisite of protective housing 1 stability, can save the cost as far as possible.
The specific manufacturing method of the protection device of the application can comprise the following steps,
1) the steel plate is bent and welded into a protective case 1 of a desired shape.
2) The limiting block 4 is welded at the end of the protective shell 1.
3) The steel plate is processed into the round steel cover plate 2 with a notch, and a corresponding through hole is formed in the steel cover plate 2 according to the external dimension and the positioning distance of the limiting block 4.
4) Connect steel apron 2 fixedly through hinge 3 with steel protective housing 1 to realize the function needs that open and shut of steel apron 2.
5) Two corresponding threaded holes are formed in the two ground fixing plates 5 according to the diameter of the expansion screw 8, and the ground fixing plates 5 are welded to corresponding positions of the steel protective shell 1.
6) The integral protection device is arranged around a ground observation datum point.
7) The whole protection device is fixed to the ground by a ground fixing plate 5 using a spacer 6, a nut 7, and an expansion screw 8.
8) When the ground observation reference point is needed, the steel cover plate 2 can be used by opening.
9) When the ground observation reference point is not used, the cover plate 2 is closed, and the limiting part is arranged on the limiting block 4.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the spirit and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by the technical solution of the present invention by those skilled in the art should fall into the protection scope of the present invention, and the technical contents claimed by the present invention have been fully recorded in the claims.
Claims (8)
1. The utility model provides a be used for whole protection device of nuclear power plant ground observation datum point which characterized in that: comprises that
The protective shell (1) is surrounded by steel plates;
the cover plate (2) is connected with the edge of one axial end of the protective shell (1) through a hinge (3);
the ground fixing plate (5) is welded with the other axial end of the protective shell (1) and is provided with a threaded hole which vertically penetrates through the ground fixing plate (5);
the nut (7) and the expansion screw (8) are used for connecting the ground fixing plate (5) with the ground through the threaded hole.
2. The integral protection device for the ground observation reference point of the nuclear power plant as claimed in claim 1, wherein: a limiting block (4) is welded at one axial end of the protective shell (1); the cover plate (2) is provided with a through hole allowing the limiting block (4) to be inserted; the limiting block (4) protrudes out of the through hole part and is provided with a limiting block dismounting hole.
3. The integral protection device for the ground observation reference point of the nuclear power plant as claimed in claim 1, wherein: the cross section of the protective shell (1) comprises an arc part and a straight line part; the cross section of the cover plate (2) comprises a second arc part and a second straight line part; the hinge (3) is arranged on the linear portion of the protective shell (1) and the linear portion II of the cover plate (2).
4. The integral protection device for the ground observation reference point of the nuclear power plant as claimed in claim 3, wherein: the diameter of the second arc part of the cover plate (2) is larger than that of the arc part of the protective shell (1).
5. The integral protection device for the ground observation reference point of the nuclear power plant as claimed in claim 3, wherein: the ground fixing plate (5) is provided with an arc-shaped welding port.
6. The integral protection device for the ground observation reference point of the nuclear power plant as claimed in claim 1, wherein: and a gasket (6) is also arranged between the threaded hole and the nut (7).
7. The integral protection device for the ground observation reference point of the nuclear power plant as claimed in claim 1, wherein: at least two ground fixing plates (5) are arranged.
8. The integral protection device for the ground observation reference point of the nuclear power plant as claimed in claim 7, wherein: the number of the ground fixing plates (5) is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020380058.4U CN211401205U (en) | 2020-03-24 | 2020-03-24 | Be used for whole protection device of nuclear power plant ground observation datum point |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020380058.4U CN211401205U (en) | 2020-03-24 | 2020-03-24 | Be used for whole protection device of nuclear power plant ground observation datum point |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211401205U true CN211401205U (en) | 2020-09-01 |
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ID=72217208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020380058.4U Active CN211401205U (en) | 2020-03-24 | 2020-03-24 | Be used for whole protection device of nuclear power plant ground observation datum point |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211401205U (en) |
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2020
- 2020-03-24 CN CN202020380058.4U patent/CN211401205U/en active Active
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