CN220616689U - Jig frame for placing arc-shaped modules of nuclear island steam generator partition structure - Google Patents

Abstract

The utility model discloses a jig frame for placing an arc-shaped module of a nuclear island steam generator partition structure, which comprises a supporting base, an arch-shaped frame and a buffer component, wherein the supporting base is a rectangular frame; the arch frame comprises an arch beam and a plurality of upright posts which are vertically arranged, the upright posts are arranged at intervals along the length direction of the support base, and the upright posts are arranged on the support base; the arched beams are supported at the tops of the upright posts and extend along the length direction of the support base; the arched beams together form an arched supporting surface arched upwards, and the arched supporting surface is used for supporting the arched module; the cushioning assembly includes a plurality of cushioning pads that are laid on corresponding arched beams. The cambered surface of the arc-shaped module is tightly attached to the arc-shaped supporting surface, so that the adaptability of the jig frame is effectively improved, the arc-shaped module is prevented from deforming due to improper stacking, and the smooth assembly of the arc-shaped module is ensured; the buffer cushion plays a role in buffering between the arc-shaped module and the arched beam, and can prevent the arc-shaped module from generating scratches.

Description

Jig frame for placing arc-shaped modules of nuclear island steam generator partition structure

Technical Field

The utility model relates to the technical field of jig frame structures, in particular to a jig frame for placing arc-shaped modules of a nuclear island steam generator partition structure.

Background

The nuclear island steam generator is used for generating steam required by the nuclear power station, and the steam generator is generally arranged in a compartment structure so as to separate the steam generator from other devices in the nuclear island, thereby ensuring the safe operation of the steam generator. The existing steam generator partition structure gradually starts to adopt a modularized construction process, namely, after each structural module is prefabricated and formed, the structural module is transported to a construction site for assembly, and the construction period can be effectively shortened.

However, because each structural module of the partition structure has a larger volume and a thinner thickness, especially, before the arc-shaped modules of the partition structure are assembled, the arc-shaped modules are easy to deform and scratch due to improper temporary stacking, so that the assembly among the modules is affected.

Disclosure of Invention

The utility model mainly aims to provide a jig frame for placing arc-shaped modules of a partition structure of a nuclear island steam generator, and aims to solve the technical problems that the arc-shaped modules of the partition structure are easy to deform and scratch due to improper temporary stacking before assembling, so that assembling among the modules is affected.

In order to achieve the above object, the present utility model provides a jig frame for placing an arc module of a nuclear island steam generator compartment structure, comprising a support base, an arch frame and a buffer assembly, wherein the support base is a rectangular frame; the number of the arch frames is multiple, the arch frames are arranged at intervals along the width direction of the supporting base, each arch frame comprises an arch beam and a plurality of vertical columns which are arranged vertically, the columns are arranged at intervals along the length direction of the supporting base, and the bottoms of the columns are all arranged on the supporting base; the arched beams are supported at the tops of the upright posts, extend along the length direction of the supporting base, and arch upwards at the middle parts of the arched beams; the arched beams together form an upwardly arched support surface that is matched in shape with the arched module and is configured to support the arched module; the buffer assembly comprises a plurality of buffer cushions, the number of the buffer cushions is consistent with that of the arched beams, and each buffer cushion is laid on the corresponding arched beam to form the top surface of the arched supporting surface.

Optionally, the arched beam includes a supporting portion and a connecting portion, one side of the supporting portion is connected to the top of the connecting portion, the other side of the supporting portion extends along the width direction of the supporting base and is far away from the connecting portion, so that a cavity is defined between the supporting portion and the connecting portion, the top end of the upright post extends into the cavity and is supported at the bottom of the supporting portion, and the upright post is connected with the connecting portion; the cushion pad is laid on the top surface of the supporting part; the top surfaces of the support portions of the plurality of arched beams collectively form the arched support surface.

Optionally, the cushion pad is arranged with equal thickness and is matched with the shape of the supporting part, and the cushion pad covers the top surface of the supporting part entirely.

Optionally, in the arch frame, one of the upright posts supported at the highest position of the arched beam is a middle upright post, and the arch frame has an axisymmetric structure relative to the middle upright post.

Optionally, in each arch frame, a plurality of upright posts are uniformly spaced.

Optionally, the arrangement density of the arch frames located in the middle of the supporting base is greater than the arrangement density of the arch frames located in other positions of the supporting base along the width direction of the supporting base.

Optionally, two stand at the arch frame both ends are spacing stand, the top of spacing stand upwards extends and forms spacing section, the end connection of arch roof beam is in corresponding spacing section department.

Optionally, the support base includes a plurality of horizontal poles and a plurality of vertical pole, wherein, a plurality of the horizontal pole is followed the width direction interval setting of support base, a plurality of the vertical pole is followed the length direction interval setting of support base, and with a plurality of horizontal pole cross connection each other.

Optionally, the cross bars and the intersections of the longitudinal bars are respectively provided with an upright correspondingly.

Optionally, the cross bars and the vertical bars are welded to each other, and the upright posts are connected to the corresponding intersections of the cross bars and the vertical bars through bolts.

The shape of the arc-shaped supporting surface is matched with that of the arc-shaped module, when the arc-shaped module is placed on the jig frame, the arc surface of the arc-shaped module is tightly attached to the arc-shaped supporting surface, and the gravity of the arc-shaped module is distributed to a plurality of arc-shaped frames, so that the jig frame can support the arc-shaped modules, the adaptability of the jig frame is effectively improved, deformation caused by improper stacking of the arc-shaped modules is prevented, and smooth assembly of the arc-shaped modules is ensured. In addition, the buffer pad plays a role in buffering between the arc-shaped module and the arched beam, and the buffer pad can generate certain elastic deformation, so that the impact force of a part of the arc-shaped module on the arched beam is slowed down, the arc-shaped module is further protected, scratches caused by the fact that the arc-shaped module is directly placed on the arched beam are prevented, and the surface of the arc-shaped module is kept complete.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a jig frame for placing arc-shaped modules of a nuclear island steam generator compartment structure according to an embodiment of the present utility model;

FIG. 2 is a schematic top view of a jig frame for positioning arc-shaped modules of a nuclear island steam generator compartment structure according to an embodiment of the present utility model;

fig. 3 is a schematic side view of a jig for placing arc-shaped modules of a nuclear island steam generator compartment structure according to an embodiment of the present utility model.

Reference numerals illustrate:

reference numerals	Name of the name	Reference numerals	Name of the name
				10	Supporting base	21	Arched beam
11	Cross bar	22	Upright post
				12	Longitudinal bar	220	Middle upright post
20	Arched frame	221	Spacing stand
				200	Middle arch frame

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is 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 at least one such feature. In addition, the meaning of "and/or" as it appears throughout includes three parallel schemes, for example "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

The description of the orientations of "up", "down", "front", "rear", "left", "right", etc. in the present utility model is based on the orientations shown in fig. 1 to 3, and is merely for explaining the relative positional relationship between the components in the orientations shown in fig. 1 to 3, and if the specific orientation is changed, the directional indication is changed accordingly.

The utility model provides a jig frame for placing an arc-shaped module of a nuclear island steam generator partition structure, which comprises a support base 10, an arch frame 20 and a buffer component, wherein the support base 10 is a rectangular frame; the number of the arch frames 20 is multiple, the arch frames 20 are arranged at intervals along the width direction of the support base 10, each arch frame 20 comprises an arch beam 21 and a plurality of upright posts 22 which are vertically arranged, the upright posts 22 are arranged at intervals along the length direction of the support base 10, and the bottoms of the upright posts 22 are all arranged on the support base 10; arched beams 21 are supported on top of the plurality of columns 22, and the arched beams 21 extend along the length direction of the support base 10, with the middle portions of the arched beams 21 arching upward; the arched beams 21 together form an upwardly arched support surface that matches the shape of the arched module and is configured to support the arched module; the cushioning assembly includes a plurality of cushioning pads, the number of which corresponds to the number of arched beams 21, and each cushioning pad is disposed on a corresponding arched beam 21 to form the top surface of the arched support surface.

As shown in fig. 1, the length direction of the support base 10 is the front-rear direction in fig. 1, and the width direction of the support base 10 is the left-right direction in fig. 1; the plurality of columns 22 in the arch frame 20 are arranged at intervals along the front-rear direction, the length of the column 22 supported at the middle part of the arched beam 21 is longest, and the length of each column 22 from the middle part of the arched beam 21 to the two sides is gradually reduced so as to realize the upward arch of the middle part of the arched beam 21. The arched frames 20 are arranged at intervals along the left-right direction, the upright posts 22 positioned at the same position along the front-back direction in each arched frame 20 have the same height, so that the heights of the arched beams 21 are consistent, and the arched beams 21 form a flat arched supporting surface; the top surface of each arched beam 21 is covered with a cushion that conforms to the shape of the arched beam 21.

The shape of the arched supporting surface is matched with that of the arched module, when the arched module is placed on the jig frame, the cambered surface of the arched module is tightly attached to the arched supporting surface, and the gravity of the arched module is distributed to the arched frames 20, so that the jig frame supports the arched module, the adaptability of the jig frame is effectively improved, deformation caused by improper stacking of the arched module is prevented, and smooth assembly of the arched module is ensured. In addition, the buffer cushion plays a role in buffering between the arc-shaped module and the arched beam 21, and the buffer cushion can generate certain elastic deformation, so that the impact force of a part of the arc-shaped module on the arched beam 21 is slowed down, the arc-shaped module is further protected, scratches caused by the fact that the arc-shaped module is directly placed on the arched beam 21 are prevented, and the surface of the arc-shaped module is kept complete.

In one embodiment, the arched beam 21 includes a supporting portion and a connecting portion, one side of the supporting portion is connected to the top of the connecting portion, the other side of the supporting portion extends along the width direction of the supporting base 10 and is far away from the connecting portion, so that a cavity is defined between the supporting portion and the connecting portion, the top end of the upright 22 extends into the cavity and is supported at the bottom of the supporting portion, and the upright 22 is connected with the connecting portion; the cushion pad is paved on the top surface of the supporting part; the top surfaces of the support portions of the plurality of arched beams 21 collectively form an arched support surface.

It can be explained that the supporting portion and the connecting portion are connected with each other in an L-shape, the upright 22 extends into a cavity defined by the supporting portion and the connecting portion, the top end of the upright 22 abuts against the bottom surface of the supporting portion, and one side surface of the upright 22 is connected to the side surface of the connecting portion facing the cavity. The blotter is located between the top surface of arc module and supporting part, and the arc module is placed on the blotter, transmits the top surface of supporting part with the gravity of arc module self, and the connecting portion is supplementary to be transmitted the pressure that the supporting part bore to stand 22 again.

The supporting part has certain length along the width direction of the supporting base 10 to increase the contact area between the supporting part and the arc-shaped module, make the arc-shaped module place more firmly, realize the steady support of the bed-jig to the arc-shaped module, promote the supporting stability of bed-jig.

In one embodiment, the cushioning pad is provided with a uniform thickness and is matched with the shape of the supporting part, and the cushioning pad covers the top surface of the supporting part entirely.

Further, the thickness of each part of the buffer pad is equal to keep the top surface of the arched supporting surface smooth, so that the arched module is tightly attached to the buffer pad at any position; all the top surfaces of the corresponding supporting parts are covered by the buffer cushions, so that all the positions of the arc-shaped modules, which are in contact with the jig frame, are guaranteed to be protected by the buffer cushions, and deformation or scratch caused by direct contact between the arc-shaped modules and the supporting parts is prevented.

In one embodiment, in the arch 20, a column 22 supported at the highest position of the arched beam 21 is a center column 220, and the arch 20 is axisymmetric with respect to the center column 220.

As shown in fig. 3, in the single arch frame 20, the number of the columns 22 is an odd number, the plurality of columns 22 on both sides of the arch frame 20 are symmetrically arranged with respect to the middle column 220, the length of the middle column 220 is the largest, the lengths of the two columns 22 on both sides are equal, and each arch frame 20 is symmetrically arranged along the middle column 220 thereof. When the arc-shaped modules are placed on the jig frame, the weight of the arc-shaped modules is evenly distributed to the two sides of the arc-shaped frame 20 along the front-back direction, so that the arc-shaped modules are placed more stably.

In one embodiment, the plurality of columns 22 in each arch 20 are evenly spaced.

As shown in fig. 1 and fig. 2, in the same arch frame 20, the distances between two adjacent upright posts 22 in the front-rear direction are equal, and the plurality of upright posts 22 uniformly support the arch beam 21, so that the force born by the arch beam 21 can be uniformly transmitted to the plurality of upright posts 22, the stress on the single upright post 22 is reduced as much as possible, meanwhile, the potential overturning hazard caused by uneven stress distribution of the tire frame is prevented, and the stress stability of the tire frame is further improved.

In one embodiment, the arch 20 in the middle of the support base 10 is arranged at a greater density than the arch 20 in other positions of the support base 10 along the width direction of the support base 10.

It will be appreciated that the plurality of arches 20 are spaced apart, with the middle arch 200 being spaced from adjacent two arches 20 less than the other arches 20. When the arc-shaped modules are placed on the jig frame, the compressive stress in the middle of the jig frame is more concentrated, the arch-shaped frames 20 in the middle are distributed in an encrypted mode, the supporting point density of the jig frame is effectively improved, the bearing capacity of the jig frame is further improved, and therefore the structural stability of the jig frame is improved.

In one embodiment, the two columns 22 at two ends of the arch 20 are limiting columns 221, the top of each limiting column 221 extends upwards to form a limiting section, and the end of the arched beam 21 is connected to the corresponding limiting section.

It should be noted that, each arch frame 20 includes two limiting columns 221, the length of the arched beam 21 is matched with the length of the arc module, and when the arc module is placed on the jig frame, two ends of the arc module are respectively abutted to the limiting ends of the plurality of limiting columns 221 at two ends of the jig frame. In the transportation, a plurality of spacing stand 221 carry out spacingly to the arc module jointly, prevent that the arc module from taking place the displacement, keep the arc module to be in the symmetry position all the time, the holding power that the arc module both sides received equals to prevent that the arc module from taking place to warp.

In an embodiment, the support base 10 includes a plurality of cross bars 11 and a plurality of longitudinal bars 12, wherein the plurality of cross bars 11 are disposed at intervals along a width direction of the support base 10, and the plurality of longitudinal bars 12 are disposed at intervals along a length direction of the support base 10 and are cross-connected with the plurality of cross bars 11.

It can be understood that the supporting base 10 is welded by the cross bars 11 and the longitudinal bars 12 which are crisscrossed, the supporting base 10 evenly disperses and transfers the gravity born by the upper arch frame 20 to the ground, the structure of the tire frame is kept stable, and meanwhile, the cross bars 11 and the longitudinal bars 12 are regularly connected, so that the manufacturing is convenient, and the welding work is convenient.

In one embodiment, a column 22 is mounted at the intersection of the cross bar 11 and the side rail 12.

Further, the plurality of columns 22 are all installed at the intersection of the cross bar 11 and the vertical bar 12, the cross bar 11 supports the corresponding column 22 in the left-right direction, the vertical bar 12 supports the corresponding column 22 in the front-back direction, the structural strength of the intersection of the cross bar 11 and the vertical bar 12 is better, and the column 22 can be supported from multiple directions, so that the structural stability of the arch frame 20 is maintained.

In one embodiment, the cross bars 11 and the side rails 12 are welded to each other and the posts 22 are bolted to the intersections of the corresponding cross bars 11 and side rails 12.

It should be noted that, the cross bars 11 and the longitudinal bars 12 are steel bars, and each cross bar 11 and each longitudinal bar 12 are mutually intersected and welded to form a stable integral stress structure, so that the support base 10 is ensured to have enough strength. The stand 22 is connected to the support base 10 through bolts, the stand 22 can be disassembled in the transportation process of the jig frame, the occupied space of the jig frame is reduced, and the assembly and the disassembly are more convenient.

The foregoing description is only of the optional embodiments of the present utility model, and is not intended to limit the scope of the utility model, and all equivalent structural modifications made by the present description and accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the present utility model.

Claims (10)

1. A jig frame for positioning arcuate modules of a nuclear island steam generator compartment structure, said jig frame comprising:

the support base is a rectangular frame;

the number of the arch frames is multiple, the arch frames are arranged at intervals along the width direction of the supporting base, each arch frame comprises an arch beam and a plurality of vertical columns arranged vertically, the columns are arranged at intervals along the length direction of the supporting base, and the bottoms of the columns are all arranged on the supporting base; the arched beams are supported at the tops of the upright posts, extend along the length direction of the supporting base, and arch upwards at the middle parts of the arched beams; the arched beams together form an upwardly arched support surface that is matched in shape with the arched module and is configured to support the arched module;

the buffer assembly comprises a plurality of buffer cushions, the number of the buffer cushions is consistent with that of the arched beams, and each buffer cushion is paved on the corresponding arched beam to form the top surface of the arched supporting surface.

2. The jig frame for placing the arc-shaped modules of the nuclear island steam generator compartment structure of claim 1, wherein the arched beam comprises a supporting portion and a connecting portion, one side of the supporting portion is connected to the top of the connecting portion, the other side of the supporting portion extends in the width direction of the supporting base and is far away from the connecting portion, so that a cavity is enclosed between the supporting portion and the connecting portion, the top end of the upright extends into the cavity and is supported at the bottom of the supporting portion, and the upright is connected with the connecting portion; the cushion pad is laid on the top surface of the supporting part; the top surfaces of the support portions of the plurality of arched beams collectively form the arched support surface.

3. The jig frame for placing the arc-shaped modules of the nuclear island steam generator compartment structure of claim 2, wherein the cushion pad is provided with a uniform thickness and is matched with the shape of the support portion, and the cushion pad covers the entire top surface of the support portion.

4. A jig frame for placing arc-shaped modules of a nuclear island steam generator compartmentalization structure as in claim 1 wherein one of said columns of said arch frame supported at the highest position of said arched beam is a center column, said arch frame being of axisymmetric configuration with respect to said center column.

5. The jig frame for housing the arc-shaped modules of the nuclear island steam generator compartment structure of claim 1, wherein a plurality of said columns are disposed at uniform intervals in each of said arch frames.

6. The jig frame for placing arc-shaped modules of a nuclear island steam generator compartment structure of any one of claims 1-5, wherein the arrangement density of the arch frames located in the middle of the support base is greater than the arrangement density of the arch frames located in other positions of the support base in the width direction of the support base.

7. The jig frame for placing the arc-shaped modules of the nuclear island steam generator compartment structure according to any one of claims 1 to 5, wherein two of the upright posts at two ends of the arch frame are limiting upright posts, the tops of the limiting upright posts extend upwards to form limiting sections, and the ends of the arch beam are connected at the corresponding limiting sections.

8. The jig frame for placement of arc-shaped modules of nuclear island steam generator compartment structure of any one of claims 1-5 wherein the support base comprises a plurality of cross bars and a plurality of longitudinal bars, wherein a plurality of the cross bars are spaced apart along a width of the support base and a plurality of the longitudinal bars are spaced apart along a length of the support base and are cross-connected to a plurality of the cross bars.

9. The jig frame for placing the arc-shaped modules of the nuclear island steam generator compartment structure of claim 8, wherein the intersections of the cross bars and the longitudinal bars are each provided with a corresponding one of the upright posts.

10. The jig frame for placing the arc-shaped modules of the nuclear island steam generator compartment structure of claim 9, wherein the cross bars and the longitudinal bars are welded to each other, and the upright is connected to the corresponding intersection of the cross bars and the longitudinal bars by bolts.