CN218241321U - Protection tool of electric penetration piece nozzle - Google Patents
Protection tool of electric penetration piece nozzle Download PDFInfo
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- CN218241321U CN218241321U CN202222189349.7U CN202222189349U CN218241321U CN 218241321 U CN218241321 U CN 218241321U CN 202222189349 U CN202222189349 U CN 202222189349U CN 218241321 U CN218241321 U CN 218241321U
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- piece
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- penetration
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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Abstract
The application discloses protection instrument of electric penetration piece nozzle, protection instrument includes: a guard, cleat and connector; the protection part is provided with a protection surface matched with the sealing surface of the nozzle of the electric penetration piece; the anti-skid piece is arranged on one side of the protection piece opposite to the protection surface and is connected with the electric penetrating piece nozzle through the connecting piece so as to press the protection piece on the electric penetrating piece nozzle and enable the protection surface to be attached to the sealing surface; in the connection state, at least part of the periphery of the anti-skid piece protrudes out of the side face of the electric penetrating piece nozzle and is used for blocking a lifting appliance sleeved on the electric penetrating piece nozzle to prevent the lifting appliance from slipping. The utility model provides a protection tool, it not only can protect the sealed face of electric penetration piece mouthpiece, can also block the hoist of suit on electric penetration piece mouthpiece in order to prevent its slippage.
Description
Technical Field
The application belongs to the technical field of nuclear power, and particularly relates to a protection tool for an electric penetration piece nozzle of a high-temperature gas cooled reactor main helium fan cylinder.
Background
The side face of the high-temperature gas cooled reactor helium circulator barrel is provided with a plurality of electric penetration piece nozzles which are used for installing electric penetration pieces and used as hoisting points for hoisting the barrel.
The sealing surface between the electric penetration piece nozzle and the electric penetration piece bears the function of sealing a loop medium, and if the sealing surface collides, the leakage of the loop medium can be caused. Therefore, in the process of assembling and disassembling the electric penetration piece and hoisting the cylinder, the sealing surface needs to be protected.
In addition, the electric penetration piece mouthpiece is smooth cylindric, does not have the reducing, and as the hoisting point when barrel hoist and mount, there is the risk of hoist outside slippage.
SUMMERY OF THE UTILITY MODEL
The application aims at solving at least one of technical problems in the prior art, and provides a protection tool for an electric penetration piece nozzle of a helium circulator barrel of a high-temperature gas-cooled reactor.
The embodiment of the application provides a protection instrument of electric penetration piece nozzle, protection instrument includes:
a guard, cleat and connector;
the protection part is provided with a protection surface matched with the sealing surface of the nozzle of the electric penetration piece;
the anti-skidding piece is arranged on one side of the protection piece opposite to the protection surface and is connected with the electric penetration piece nozzle through the connecting piece so as to press the protection piece on the electric penetration piece nozzle and enable the protection surface to be attached to the sealing surface;
in a connection state, at least part of the periphery of the anti-slip piece protrudes out of the side face of the electric penetrating piece nozzle and is used for blocking a lifting appliance sleeved on the electric penetrating piece nozzle to prevent the lifting appliance from slipping.
In some embodiments, the protection member is made of polymer or rubber, and the anti-slip member is made of metal.
In some embodiments, an end face of the electrical penetration nozzle is provided with an annular groove, and the sealing surface is an inner profile surface of the annular groove; one side of the protection piece, which faces the electric penetration piece nozzle, is provided with an annular boss, and the protection surface is an outer contour surface of the annular boss; under the protection state, the outer contour surface of the annular boss is attached to the inner wall surface of the annular groove, so that the attachment degree of the protection piece is improved, and the protection effect is improved.
In some embodiments, the sealing face of the electrical penetration nozzle is provided with a plurality of bolt holes for mounting the electrical penetration nozzle; the connecting piece is a plurality of bolts, and the plurality of bolts are in threaded fit with the plurality of bolt holes so as to connect the anti-skid piece with the nozzle of the electric penetration piece. The connection mode of threaded fit is adopted, the bolt holes of the electric penetration piece nozzle can be utilized for connection, extra adjustment on the structure of the electric penetration piece nozzle is avoided, and therefore the improvement engineering quantity is reduced, the connection mode is reliable, the price of accessories is low, and the accessories are easy to obtain.
In some embodiments, the electric penetrating piece nozzle is internally provided with a lead wire connected with the electric penetrating piece; the protection piece and the anti-skid piece are both of annular structures, and can avoid interference with the lead during installation.
In some embodiments, the shield is formed by a plurality of first splicing units which are sequentially arranged along the circumferential direction of the electric penetrating piece nozzle and are connected end to end; the anti-skid piece is formed by sequentially arranging a plurality of second splicing units along the circumferential direction of the nozzle of the electric penetration piece and connecting the second splicing units end to end. When the protection piece and the antiskid piece are designed in a splicing mode, a lead does not need to penetrate through holes in the protection piece and the antiskid piece in advance, installation is facilitated, and the problem that the protection piece and the antiskid piece cannot be installed under the condition that the lead is not disconnected from the electric penetrating piece can be avoided. In addition, when the splicing design is adopted, the processing difficulty of the components is reduced, and the components are convenient to transport and store.
In some embodiments, a guide rod is arranged in a bolt hole of the electric penetrating piece nozzle in a penetrating mode and used for supporting the electric penetrating piece and enabling the electric penetrating piece to be detached along the guide direction of the guide rod, and the protection tool is installed before the guide rod is removed; the first splicing unit is provided with a first hole slot for avoiding interference with the guide rod; and a second hole groove is formed in the second splicing unit and used for avoiding interference with the guide rod.
In some embodiments, the first hole slot is located on the outer side surface of the first splicing unit, so that the integrity of a protection surface can be ensured, and the weak point of protection is avoided.
In some embodiments, the number of the first splicing units is two, and the two first splicing units are semicircular and are arranged in a manner of being split up and down. In the process of installing the protection part, the guide rod can form temporary support for the first splicing unit located below, and the first splicing unit located below can form temporary support for the first splicing unit located above, so that the protection part can be prevented from falling off before being fixed by the anti-skid part, and convenience in use is improved.
In some embodiments, the second slot is located on the inner side surface of the second splicing unit, so that the second splicing unit can be installed from the outside, and the problem that the second splicing unit cannot be installed due to the fact that the second slot is too large in size is avoided.
The technical scheme of the application has the following beneficial technical effects:
the protection instrument of electric penetration piece nozzle of this application embodiment, its protection piece can laminate at the sealed face of electric penetration piece nozzle and protect sealed face, and this protection piece can be fixed to its antiskid piece under the effect of connecting piece to, the antiskid piece can also block the hoist of suit on electric penetration piece nozzle in order to prevent its slippage.
Drawings
FIG. 1 is an isometric assembly view of a shield tool for an electrical penetration nozzle in an exemplary embodiment of the present application;
FIG. 2 is a schematic illustration of the installation of a protective shield in an exemplary embodiment of the present application;
FIG. 3 is a schematic view of the installation of a cleat in an exemplary embodiment of the present application;
in the figure, 100, guard; 101. a first splicing unit; 102. a first hole groove; 110. an annular boss; 200. an anti-slip member; 201. a second splicing unit; 202. a second hole groove; 210. mounting holes; 300. a connecting member; 400. an electrical penetration nozzle; 410. an annular groove; 420. bolt holes; 500. a wire; 600. a guide rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is further described in detail below with reference to the accompanying drawings in combination with the detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present application. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present application.
In addition, the technical features mentioned in the different embodiments of the present application described below may be combined with each other as long as they do not conflict with each other.
1-3, embodiments of the present application provide a shield tool for an electrical penetration nozzle, the shield tool comprising: the protection member 100, the anti-slip member 200, and the connection member 300; the shield 100 has a shield surface that mates with the sealing surface of the electrical penetration nozzle 400; the anti-skid device 200 is disposed on the side of the protection device 100 opposite to the protection surface and is connected to the electric penetration nozzle 400 through the connector 300, so as to press the protection device 100 on the electric penetration nozzle 400 and make the protection surface and the sealing surface fit with each other; in the attached state, at least a portion of the outer perimeter of the anti-skid device 200 protrudes beyond the side of the electrical penetration nozzle 400 for blocking a spreader fitted over the electrical penetration nozzle 400 from slipping off.
Alternatively, as shown in fig. 1, the protection member 100 and the anti-skid member 200 are each of a plate-shaped structure.
Alternatively, the protection member 100 is made of polymer or rubber, and the anti-slip member 200 is made of metal. For example, the protection member 100 is made of teflon, and the anti-slip member 200 is made of 304 stainless steel.
Optionally, as shown in fig. 2, an end face of the electrical penetration nozzle 400 is provided with an annular groove 410, and the sealing surface is an inner contour surface of the annular groove 410; the side of the protection piece 100 facing the electric penetration piece nozzle 400 is provided with an annular boss 110, and the protection surface is an outer contour surface of the annular boss 110; in the protection state, the outer contour surface of the annular boss 110 is in contact with the inner wall surface of the annular groove 410. That is, the end surface of the electric penetration nozzle 400 is a non-flat surface, and the outer contour surface of the annular boss 110 can be attached to the inner wall surface of the annular groove 410 in a protection state, which is beneficial to improving the attachment degree of the protection element 100, thereby improving the protection effect.
Optionally, the sealing face of the electrical penetration nozzle 400 is provided with a plurality of bolt holes 420 for mounting the electrical penetration nozzle 400; the connector 300 is a plurality of bolts that threadably mate with the plurality of bolt holes 420 to connect the cleat 200 with the electrical penetration nozzle 400. Specifically, as shown in fig. 1, the anti-slip device 200 is provided with a plurality of mounting holes 210 corresponding to the plurality of bolt holes 420, and a plurality of bolts pass through the plurality of mounting holes 210 to be connected with the electrical penetration nozzle 400. Further, in order to prevent the protector 100 from falling off due to loosening of the bolts, the protector 100 is similarly provided with a plurality of mounting holes 210, and the bolts are inserted through the plurality of mounting holes 210 and connected to the electric penetration nozzle 400 when the bolts are mounted. By adopting the connection mode of threaded fit, the bolt holes 420 of the electric penetration piece nozzle 400 can be utilized for connection, the structure of the electric penetration piece nozzle 400 is prevented from being additionally adjusted, the improvement engineering amount is reduced, and the connection mode is reliable in connection, low in accessory price and easy to obtain.
Optionally, a lead 500 for connecting an electrical penetration is provided inside the electrical penetration nozzle 400; the protection member 100 and the anti-slip member 200 are both in a ring structure to avoid interference with the wire 500. That is, during the process of installing the protection device 100, the wires 500 may be inserted into the through holes inside the protection device 100 and the anti-skid device 200 to avoid interference.
Optionally, the protection component 100 is composed of a plurality of first splicing units 101 sequentially arranged along the circumferential direction of the electric penetration piece nozzle 400 and connected end to end; the anti-skid device 200 is formed by sequentially arranging a plurality of second splicing units 201 along the circumferential direction of the electric penetration piece nozzle 400 and connecting the second splicing units end to end. Specifically, when the protection element 100 and the anti-skid element 200 are designed in a splicing manner, the lead 500 does not need to be inserted into the through holes in the protection element 100 and the anti-skid element 200 in advance, so that the installation is convenient, and the problem that the protection element 100 and the anti-skid element 200 cannot be installed under the condition that the lead 500 is not disconnected from the electric penetration element can be avoided. In addition, when the splicing design is adopted, the processing difficulty of the components is reduced, and the components are convenient to transport and store.
Optionally, a guide rod 600 is inserted into the bolt hole 420 of the electric penetration nozzle 400 to support and remove the electric penetration along the guiding direction of the guide rod 600, and the protection tool is installed before the guide rod 600 is removed; a first hole groove 102 is formed in the first splicing unit 101 to avoid interference with the guide rod 600; the second splicing unit 201 is provided with a second hole 202 to avoid interference with the guide bar 600.
Optionally, the first hole 102 is located on an outer side of the first splicing unit 101. That is, as shown in fig. 1, the first hole groove 102 is located at the outer periphery of the annular boss 110, and does not damage the integrity of the protection surface, so that the weak point of protection can be avoided.
Optionally, the number of the first splicing units 101 is two, and the two first splicing units 101 are semicircular and are arranged in a manner of being split up and down. Specifically, as shown in fig. 1, in the process of installing the protection component 100, the guide rod 600 may temporarily support the first splicing unit 101 located below, and at the same time, the first splicing unit 101 located below may temporarily support the first splicing unit 101 located above, so that the protection component 100 may be prevented from falling off before being fixed by the anti-slip component 200, which is beneficial to improving the convenience of use.
Similarly, the number of the second splicing units 201 is two, and the two second splicing units 201 are also semicircular and are arranged in a split manner. It should be noted that the second splicing unit 201 may be split up and down or split left and right, or may be split along other directions, and this embodiment is not limited in particular.
Optionally, the second hole groove 202 is located on the inner side surface of the second splicing unit 201. Specifically, in order to prevent the hanger on the electric penetration nozzle 400 from slipping off, the anti-slip device 200 may have a large outer circumference, for example, the anti-slip device 200 may have a circular shape, and may be coaxially connected to the electric penetration nozzle 400, and the outer diameter thereof may be larger than the outer diameter of the electric penetration nozzle 400, so that the second hole groove 202 may be provided on the inner side surface of the second splicing unit 201 to allow the second splicing unit 201 to be installed from the outside in order to prevent the second splicing unit 201 from being unable to be installed due to an excessively large size.
The installation process of the protection instrument of electric penetration piece nozzle of this application embodiment does:
1. removing bolts for partially fixing the electric penetration piece, wherein the number of the removed bolts is four, and the four bolts are uniformly distributed along the circumferential direction of the sealing surface;
2. a guide rod 600 is arranged in each bolt hole 420 after the bolts are removed in a penetrating mode through the axial through hole of the electric penetrating piece;
3. removing the remaining bolts fixing the electrical penetration, pulling the electrical penetration to move a certain distance along the guide bar 600 to expose the sealing surface of the electrical penetration nozzle 400 and the wire 500 connecting the electrical penetration, and reserving an installation space for a protection tool;
4. assembling the first splice unit 101 on the sealing surface of the electrical penetration nozzle 400 to form the protective shield 100, as shown in fig. 2, moving the protective shield 100 so that its protective surface contacts the sealing surface of the electrical penetration nozzle 400;
5. assembling a second splice unit 201 on a side of the protective shield 100 facing away from the electrical penetration nozzle 400 to form the cleat 200, and aligning the cleat 200 with the mounting hole 210 of the protective shield 100, as shown in fig. 3;
6. moving the cleats 200 into contact with the guard 100 and securing the cleats 200 to the electrical penetration nozzle 400 by bolts;
7. adjusting the tightness of the anti-skid device 200 by screwing bolts until the protection surface of the protection member 100 is completely attached to the sealing surface of the electric penetration nozzle 400;
8. and carrying out subsequent dismantling work of the electric penetration assembly.
In the above process, if the protection tool is installed after the electrical penetration assembly is removed, part of the structural design can be simplified correspondingly, for example, because there is no interference after the electrical penetration assembly is removed, the protection member and the anti-slip member can be of a complete annular structure, and the first hole groove and the second hole groove do not need to be formed.
In the protection tool for the electric penetration nozzle, the protection piece 100 can be attached to and protect the sealing surface of the electric penetration nozzle 400, the anti-skid piece 200 can fix the protection piece 100 under the action of the connecting piece 300, and the anti-skid piece 200 can block a hanger sleeved on the electric penetration nozzle 400 to prevent the hanger from slipping.
While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the present embodiments are not limited to those precise embodiments, which are intended to be illustrative rather than restrictive, and that various changes and modifications may be effected therein by one skilled in the art without departing from the scope of the appended claims.
Claims (10)
1. A protection tool for an electrical penetration nozzle, the protection tool comprising:
a guard, cleat and connector;
the protection part is provided with a protection surface matched with the sealing surface of the nozzle of the electric penetration piece;
the anti-skid piece is arranged on one side of the protection piece opposite to the protection surface and is connected with the electric penetrating piece nozzle through the connecting piece so as to press the protection piece on the electric penetrating piece nozzle and enable the protection surface to be attached to the sealing surface;
in the connection state, at least part of the periphery of the anti-skid piece protrudes out of the side face of the electric penetrating piece nozzle and is used for blocking a lifting appliance sleeved on the electric penetrating piece nozzle to prevent the lifting appliance from slipping.
2. A tool for shielding a nozzle of an electrical penetration assembly according to claim 1, wherein said shield is made of a polymer or rubber material and said anti-slip element is made of a metal material.
3. The tool of claim 1 wherein an end face of said electrical penetration nozzle is provided with an annular groove and said sealing surface is an inner contoured surface of said annular groove;
an annular boss is arranged on one side, facing the electric penetration piece nozzle, of the protection piece, and the protection surface is an outer contour surface of the annular boss;
and in a protection state, the outer contour surface of the annular boss is attached to the inner wall surface of the annular groove.
4. The tool of claim 1 wherein the sealing surface of the electrical penetration nozzle is provided with a plurality of bolt holes for mounting the electrical penetration nozzle;
the connecting piece is a plurality of bolts, and the plurality of bolts are in threaded fit with the plurality of bolt holes so as to connect the anti-skid piece with the nozzle of the electric penetration piece.
5. The tool of claim 1 wherein said electrical penetration nozzle has a wire inside for connection to an electrical penetration;
the protection piece and the anti-slip piece are both of annular structures so as to avoid interference with the lead.
6. The tool of claim 5 wherein the shield for the electrical penetration nozzle is further defined as comprising a shield body,
the protection piece is formed by sequentially arranging a plurality of first splicing units along the circumferential direction of the electric penetration piece nozzle and connecting the first splicing units end to end;
the anti-skid member is formed by sequentially arranging a plurality of second splicing units along the circumferential direction of the nozzle of the electric penetration member and connecting the second splicing units end to end.
7. The tool of claim 6, wherein a guide rod is inserted into a bolt hole of the nozzle for supporting and detaching an electrical penetration along a guiding direction of the guide rod, and wherein the tool is installed before the guide rod is removed;
the first splicing unit is provided with a first hole groove for avoiding interference with the guide rod;
and a second hole groove is formed in the second splicing unit and used for avoiding interference with the guide rod.
8. The tool of claim 7 wherein the first aperture slot is located on an exterior side of the first splice unit.
9. The tool of claim 8, wherein the number of the first splicing units is two, and the two first splicing units are semicircular and are arranged side by side.
10. The tool of claim 7 wherein the second aperture slot is located on an inside face of the second splice unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222189349.7U CN218241321U (en) | 2022-08-19 | 2022-08-19 | Protection tool of electric penetration piece nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222189349.7U CN218241321U (en) | 2022-08-19 | 2022-08-19 | Protection tool of electric penetration piece nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218241321U true CN218241321U (en) | 2023-01-06 |
Family
ID=84683619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222189349.7U Active CN218241321U (en) | 2022-08-19 | 2022-08-19 | Protection tool of electric penetration piece nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218241321U (en) |
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2022
- 2022-08-19 CN CN202222189349.7U patent/CN218241321U/en active Active
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