CN219725144U - Embedded welding assembly device for nuclear power pipeline - Google Patents

Abstract

The utility model discloses an embedded welding assembly device for a nuclear power pipeline, wherein a plug-in column is arranged at the center of the bottom of a lower positioning seat and is plugged into a plug-in groove at the center of the top of a lower supporting block; the center department of grafting post has seted up the constant head tank that link up, and the locating hole has been seted up to the locating slot just corresponding to one side of grafting groove, and the telescopic tank has been seted up to the opposite side of grafting groove, and the inside slip of telescopic tank has the lead screw, and the top of lead screw is fixed with the locating head, and the center department of telescopic tank rotates has the internal thread lasso of being connected with the lead screw meshing, and the side of internal thread lasso is fixed with driven bevel gear, and driven bevel gear is connected with the initiative bevel gear meshing of side, and initiative bevel gear is connected with the spiral handle transmission at lower supporting shoe top. The lower supporting block is detachably connected to the bottom of the jack, and the top of the jack is detachably connected with the upper supporting block, so that the jack is convenient and quick to assemble and disassemble, and the carrying convenience is greatly improved.

Description

Embedded welding assembly device for nuclear power pipeline

Technical Field

The utility model relates to the technical field of welding assembly devices, in particular to an embedded welding assembly device for a nuclear power pipeline.

Background

In order to ensure the nuclear safety, the nuclear power station has high requirements on various devices. Many filler necks for measuring temperature and pressure are generally designed on the pipes of nuclear power plants. The nuclear power main pipeline is a pipeline for connecting a nuclear reactor and a steam generator, belongs to nuclear safety I-level equipment, has very high welding quality requirement, and does not allow the occurrence of misalignment, weld flash, root protrusion, indent, metal oxidation and the like. Meanwhile, the requirements on the dimensional precision, the position precision and the form and position tolerance of the welded tube seat are very high, and even the integral roughness requirement on the inner surface of the final inner hole is very high.

The utility model discloses a welding group is to device for embedded filler neck of nuclear power pipeline, including last supporting shoe, jack and lower supporting shoe and anti-deformation pad, one side of going up the supporting shoe is the cambered surface that laminates mutually with the internal surface of trunk line, the opposite side is the plane that is used for contacting with the screw rod of jack, one side of lower supporting shoe is the cambered surface that laminates mutually for the internal surface of trunk line, the opposite side is the plane of placing the jack, the annular groove has been seted up on the cambered surface of going up the supporting shoe, the edge of the hole on the trunk line is located directly over the annular groove, set up on the supporting shoe with the communicating through-hole of annular groove, the shape of anti-deformation pad is the cambered surface laminating of last supporting shoe and the shape the same with the inner circle of annular groove, the area is less than the area of inner circle, anti-deformation pad is placed on the cambered surface of last supporting shoe, the edge of anti-deformation pad is located under the lower terminal surface of the filler neck that waits to weld. The utility model ensures that the dimensional accuracy after welding meets the standard of the nuclear power system pipeline. The above-mentioned scheme is fixed between the whole part, lacks the subassembly of dismantlement installation, and whole volume is great when carrying, inconvenient carry. It is therefore necessary to design an embedded welding pairing device for nuclear power pipelines.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the embedded welding assembly device for the nuclear power pipeline, the lower supporting block is detachably connected to the bottom of the jack, the top of the jack is detachably connected with the upper supporting block, and the embedded welding assembly device is convenient and rapid to assemble and disassemble, and greatly improves the portability.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the embedded welding assembly device for the nuclear power pipeline comprises a lower supporting block, wherein the lower supporting block is detachably connected to the bottom of a jack, the top of the jack is detachably connected with an upper supporting block, a lower positioning seat is welded to the bottom of the jack, a plug-in column is installed at the center of the bottom of the lower positioning seat, and the plug-in column is plugged into a plug-in groove at the center of the top of the lower supporting block;

the center department of grafting post has seted up the constant head tank that link up, the locating hole has just been seted up to one side of grafting groove corresponding the constant head tank, the expansion tank has been seted up to the opposite side of grafting groove, the inside slip of expansion tank has the lead screw, the top of lead screw is fixed with the location head, the center department of expansion tank rotates has the internal thread lasso of being connected with the lead screw meshing, the side of internal thread lasso is fixed with driven bevel gear, driven bevel gear is connected with the initiative bevel gear meshing of side, initiative bevel gear is connected with the knob transmission at lower supporting shoe top.

Preferably, the tail end of the screw rod is fixedly provided with a square sliding block, and the square sliding block is slidably connected in the telescopic groove.

Preferably, the lower positioning seat and the plug-in column are integrally formed, and the lower positioning seat and the plug-in column are distributed in a T shape.

Preferably, the top of jack is fixed with the locating seat, the top center department of going up the locating seat is fixed with the external screw thread pole, the internal thread hole inside the external screw thread pole of upper supporting shoe bottom center department of screwing.

Preferably, the upper positioning seat and the external threaded rod are integrally formed, and the upper positioning seat and the external threaded rod are distributed in a T shape.

The beneficial effects of the utility model are as follows:

the bottom at the jack is connected to the detachable connection of lower supporting shoe, and the detachable supporting shoe that is connected with in top of jack, convenient quick assembly and dismantlement promote the convenience of carrying greatly.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic view of the overall front plan structure of the present utility model;

FIG. 2 is a schematic view of the cross-sectional plan view of the lower support block area of the present utility model;

FIG. 3 is a schematic view of the cross-sectional plan view of the upper support block area of the present utility model;

reference numerals in the drawings: 1. a lower support block; 2. a lower positioning seat; 3. a jack; 4. an upper positioning seat; 5. an upper support block; 6. a rotary handle; 7. a plug-in groove; 8. a plug-in column; 9. a positioning groove; 10. positioning holes; 11. a telescopic slot; 12. square slide block; 13. a screw rod; 14. a positioning head; 15. an internally threaded ferrule; 16. a driven bevel gear; 17. a driving bevel gear; 18. an internal threaded hole; 19. an external threaded rod.

Detailed Description

Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in various different ways without departing from the spirit or scope of the present utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature.

The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings.

The utility model provides the following technical scheme as shown in fig. 1, 2 and 3: the embedded welding assembly device for the nuclear power pipeline comprises a lower supporting block 1, wherein the lower supporting block 1 is detachably connected to the bottom of a jack 3, the top of the jack 3 is detachably connected with an upper supporting block 5, the bottom of the jack 3 is welded with a lower positioning seat 2, an inserting column 8 is arranged at the center of the bottom of the lower positioning seat 2, and the inserting column 8 is inserted into an inserting groove 7 at the center of the top of the lower supporting block 1;

the center of the inserting column 8 is provided with a through positioning groove 9, one side of the inserting groove 7 is provided with a positioning hole 10 corresponding to the positioning groove 9, the other side of the inserting groove 7 is provided with a telescopic groove 11, the inside of the telescopic groove 11 is provided with a screw rod 13 in a sliding mode, the top end of the screw rod 13 is fixedly provided with a positioning head 14, the center of the telescopic groove 11 is provided with an internal thread ferrule 15 in meshed connection with the screw rod 13 in a rotating mode, the side edge of the internal thread ferrule 15 is fixedly provided with a driven bevel gear 16, the driven bevel gear 16 is in meshed connection with a driving bevel gear 17 on the side edge, the driving bevel gear 17 is in transmission connection with a rotating handle 6 on the top of the lower supporting block 1, the inserting column 8 at the bottom of the jack 3 is inserted into the inner part of the inserting groove 7, the positioning hole 10 and the telescopic groove 11 are opposite to the two ends of the positioning groove 9, then the rotating handle 6 is driven by hand, and the driving of the driving bevel gear 17 and the driven bevel gear 16 to rotate.

Preferably, the tail end of the screw rod 13 is fixedly provided with a square sliding block 12, and the square sliding block 12 is slidably connected in the telescopic groove 11 to play a limiting role in the movement of the screw rod 13.

Preferably, the lower positioning seat 2 and the plug-in column 8 are integrally formed, and the lower positioning seat 2 and the plug-in column 8 are distributed in a T shape, so that the structure strength is high.

Preferably, the top of jack 3 is fixed with location seat 4, and the top center department of going up location seat 4 is fixed with external screw thread pole 19, and external screw thread pole 19 is screwed in the internal thread hole 18 of upper supporting shoe 5 bottom center department, and the external screw thread pole 19 of jack 3 top is screwed in the internal thread hole 18 of upper supporting shoe 5 bottom center department, has realized the equipment of jack 3 top and upper supporting shoe 5.

Preferably, the upper positioning seat 4 and the external threaded rod 19 are integrally formed, and the upper positioning seat 4 and the external threaded rod 19 are distributed in a T shape, so that the structural strength is high.

Working principle: before use, the embedded welding assembly device for the nuclear power pipeline is required to be assembled, firstly, the inserting column 8 at the bottom of the jack 3 is inserted into the inserting groove 7, the positioning hole 10 and the telescopic groove 11 are opposite to the two ends of the positioning groove 9, then the rotary handle 6 is manually rotated, the inner thread ring 15 is driven to rotate through the driving bevel gear 17 and the driven bevel gear 16, the square sliding block 12 plays a limiting role on the screw rod 13, the screw rod 13 can only horizontally slide in the telescopic groove 11, the inner thread ring 15 rotationally drives the screw rod 13 to move in the telescopic groove 11, the screw rod 13 penetrates through the positioning groove 9, the positioning head 14 at the top end of the screw rod 13 is inserted into the inner part of the positioning hole 10, so that the stability of fixing of the inserting column 8 is ensured, then the outer threaded rod 19 at the top of the jack 3 is screwed into the inner threaded hole 18 at the center of the bottom of the upper supporting block 5, the assembly of the top of the jack 3 and the upper supporting block 5 is realized, the lower supporting block 1 is detachably connected to the bottom of the jack 3, and the upper supporting block 5 is detachably connected to the top of the jack 3, and the jack 3 is convenient to quickly assemble and disassemble and carry.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (5)

1. The utility model provides an embedded welding group is to device for nuclear power pipeline, includes lower supporting shoe (1), lower supporting shoe (1) detachable connection is in the bottom of jack (3), the top detachable of jack (3) is connected with supporting shoe (5), its characterized in that: the bottom of the jack (3) is welded with a lower positioning seat (2), a plug-in column (8) is arranged at the center of the bottom of the lower positioning seat (2), and the plug-in column (8) is plugged into a plug-in groove (7) at the center of the top of the lower supporting block (1);

the utility model discloses a telescopic device for the jack post, including jack post (8), fixed slot (9) that link up has been seted up to the center department of jack post (8), locating hole (10) have been seted up to just corresponding constant head tank (9) in one side of jack post (7), telescopic slot (11) have been seted up to the opposite side of jack post (7), the inside slip of telescopic slot (11) has lead screw (13), the top of lead screw (13) is fixed with locating head (14), the center department of telescopic slot (11) rotates has internal thread lasso (15) of being connected with lead screw (13) meshing, the side of internal thread lasso (15) is fixed with driven bevel gear (16), driven bevel gear (16) are connected with the initiative bevel gear (17) meshing of side, initiative bevel gear (17) are connected with the transmission of spin handle (6) at lower bolster (1) top.

2. An embedded welding pairing device for nuclear power pipelines according to claim 1, wherein: the tail end of the screw rod (13) is fixedly provided with a square sliding block (12), and the square sliding block (12) is slidably connected in the telescopic groove (11).

3. An embedded welding pairing device for nuclear power pipelines according to claim 1, wherein: the lower positioning seat (2) and the plug-in column (8) are integrally formed, and the lower positioning seat (2) and the plug-in column (8) are distributed in a T shape.

4. An embedded welding pairing device for nuclear power pipelines according to claim 1, wherein: the top of jack (3) is fixed with location seat (4), the top center department of going up location seat (4) is fixed with external screw rod (19), internal screw hole (18) inside external screw rod (19) the top supporting shoe (5) bottom center department soon.

5. An embedded weld pairing apparatus for nuclear power pipelines as defined in claim 4, wherein: the upper positioning seat (4) and the external threaded rod (19) are integrally formed, and the upper positioning seat (4) and the external threaded rod (19) are distributed in a T shape.