CN208857970U - A kind of nuclear power plant's high-accuracy built-in fitting - Google Patents
A kind of nuclear power plant's high-accuracy built-in fitting Download PDFInfo
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- CN208857970U CN208857970U CN201821366423.5U CN201821366423U CN208857970U CN 208857970 U CN208857970 U CN 208857970U CN 201821366423 U CN201821366423 U CN 201821366423U CN 208857970 U CN208857970 U CN 208857970U
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Abstract
The utility model provides a kind of nuclear power plant's high-accuracy built-in fitting, is fixed on the band steel above the embedded board including the embedded board being once embedded in concrete and secondary welding；At least two rows of dowel groups are arranged at intervals with below the embedded board, each dowel group include it is multiple along the embedded board length direction according to the spaced dowel of dowel spacing, one end of the dowel is fixed on the embedded board, and the other end of the dowel is fixed with anchor slab.High-accuracy built-in fitting provided by the utility model adds the design scheme of secondary welding band steel using an embedded board, dowel design is optimized simultaneously, not only meet the installation accuracy requirement of technique, but also improved the bearing capacity of built-in fitting, and provide multiple choices mode for the installation of technology major cabinet.
Description
Technical field
The utility model relates to built-in fitting technical field more particularly to a kind of nuclear power plant's high-accuracy built-in fittings.
Background technique
Nuclear power plant nuclear island workshop master control room, instrument control or electric cabinet room are disposed with a large amount of instrument control or electric cabinet, this
Class cabinet is antidetonation I class items, needs that installation is fixed using built-in fitting.In order to guarantee that the safety of later period arranging apparatus can
It leans on, it is flat to the flatness of built-in fitting, vertical and parallel built-in fitting center allowable error, built-in fitting in built-in fitting plane
Angle allowable error has high-precision installation requirement in face, and common built-in fitting is unable to satisfy.Meanwhile it also needing to consider cabinet floor
Lower inlet wire unfavorable factors such as hole-opening beside built-in fitting, common built-in fitting calculating are difficult to pass through.
Existing nuclear power plant generally uses T-type built-in fitting, and embedded part form is as shown in Figure 1, it uses NELSON anchor studs, length
Only 100mm or 150mm, it is difficult to meet resistance to plucking requirement；Meanwhile T-type built-in fitting constructs be unsatisfactory for wanting for process Installation at the scene
When asking, the later period need to carry out grinding process to overall structure, expend a large amount of human and material resources.
Utility model content
The purpose of this utility model is to provide a kind of high-accuracy built-in fitting, not only for above-mentioned the problems of the prior art
Meet the required precision of technique, and design bearing capacity is high, provides multiple choices mode for the installation of technology major cabinet.
The technical solution that the utility model is used to solve the above technical problem is that provide a kind of nuclear power plant high-precision pre-buried
Part is fixed on the band steel above the embedded board including the embedded board being once embedded in concrete and secondary welding；
At least two rows of dowel groups are arranged at intervals with below the embedded board, each dowel group includes multiple along described pre-
According to the spaced dowel of dowel spacing, one end of the dowel is fixed on the embedded board buried plate length direction, described
The other end of dowel is fixed with anchor slab.
In the above-mentioned built-in fitting of the utility model, the dowel spacing is less than or equal to 200mm.
In the above-mentioned built-in fitting of the utility model, the width of the band steel is less than the embedded board, sets on the embedded board
It is equipped with the bonding pad for being located at the band steel two sides, is offered on each bonding pad multiple along its length according to the anchor
The spaced connection hole of muscle spacing, the connection hole is for being welded and fixed the dowel.
In the above-mentioned built-in fitting of the utility model, the connection hole includes positioned at the of the connection zone centerline two sides
One connection hole and the second connection hole and multiple first connection holes and second that are located at connect hole two sides
Third connects hole；
Spacing between the first connection hole and the second connection hole is less than or equal to 200mm, described in adjacent two
Third connects spacing and the second connecting hole between spacing, the first connection hole and third connection hole between hole
Spacing between hole and third connection hole is equal to 200mm.
In the above-mentioned built-in fitting of the utility model, the quantity of the dowel group is two rows, and two rows of dowel groups are solid respectively
It is scheduled on two bonding pads.
In the above-mentioned built-in fitting of the utility model, the fusion length between the embedded board and band steel is 100mm, weld seam
Calculated thickness is 10mm, spot pitch 100mm.
In the above-mentioned built-in fitting of the utility model, the band steel with a thickness of 50mm, the width of the band steel be 100mm or
200mm。
In the above-mentioned built-in fitting of the utility model, the diameter of the dowel is 16mm, and the length of the dowel is 325mm.
In the above-mentioned built-in fitting of the utility model, the diameter of the dowel is 20mm, and the length of the dowel is 425mm.
In the above-mentioned built-in fitting of the utility model, the anchor slab with a thickness of 15mm, the outer diameter of the anchor slab is 60mm.
Implement a kind of nuclear power plant's high-accuracy built-in fitting provided by the utility model, has the advantages that
The built-in fitting includes an embedded board and secondary welding is fixed on the band steel above embedded board, can finally pass through tune
The precision of whole band steel is that cabinet installation accuracy adjusts reserved space, can reduce a large amount of post-processing work, be conducive to control work
Phase, and can satisfy the installation accuracy requirement of technique；Meanwhile the built-in fitting improves built-in fitting by optimization dowel design
Bearing capacity, meet bearing capacity calculate complex situations under resistance to plucking requirement, for technology major cabinet install multiple choices are provided
Form.
Detailed description of the invention
Below in conjunction with accompanying drawings and embodiments, the utility model is described in further detail, in attached drawing:
Fig. 1 is the sectional view of T-type built-in fitting in the prior art；
Fig. 2 is the sectional view of built-in fitting provided by the embodiment of the utility model；
Fig. 3 is the front view of built-in fitting provided by the embodiment of the utility model；
Description of drawing identification:
10, embedded board；20, band steel；30, dowel；31, anchor slab；40, bonding pad；50, hole is connected；51, the first connecting hole
Hole；52, the second connection hole；53, third connects hole.
Specific embodiment
In order to enable those skilled in the art that the utility model is more clearly understood, below in conjunction with attached drawing and specifically
Embodiment does further detailed description to the utility model.
Referring to fig. 2, it includes once being embedded in coagulation that the utility model embodiment, which provides a kind of nuclear power plant's high-accuracy built-in fitting,
Embedded board 10 and secondary welding in soil are fixed on the band steel 20 of 10 top of embedded board, are arranged at intervals at least below embedded board 10
Two rows of dowel groups, each dowel group includes multiple along the spaced dowel 30 of 10 length direction of embedded board, and the anchor
Interval setting is formed with dowel spacing between two adjacent dowels 30 in muscle group, and 30 one end of dowel is fixed by welding in pre-buried
On plate 10, the other end is by being welded with anchor slab 31.
In practical applications, embedded board 10 is embedded in concrete first and is controlled and meet standard built-in fitting precision,
After concrete floor slab placement concrete, before finishing screed-coat, the secondary welding band steel 20 on embedded board 10, and control 10 He of embedded board
Fusion length between band steel 20 is 100mm, and the calculated thickness of weld seam is 10mm, spot pitch 100mm.Those skilled in the art
Member is it should be understood that the calculated thickness of the weld seam of the present embodiment meaning refers to the throat depth used when design weld seam, for fillet welding
For seam, the calculated thickness of weld seam is equal in the maximum right angled isosceles triangle drawn in fillet weld section, from the top at right angle
Point arrives the length of perpendicular of bevel edge.
Further, as shown in connection with fig. 3, the width of band steel 20 is less than embedded board 10, and band steel 20 is fixed on embedded board between two parties
On 10, it is provided with the bonding pad 40 positioned at 20 width direction two sides of band steel on embedded board 10, is offered on each bonding pad 40 more
It is a along its length according to the spaced connection hole 50 of the dowel spacing, connect hole 50 for dowel to be welded and fixed
30。
In the present embodiment, the quantity of the dowel group is two rows, and the bonding pad 40 for being fixed on 20 two sides of band steel is respectively welded
It is interior.
It is designed to optimize dowel, in the present embodiment, on same bonding pad 40 between adjacent two connection holes 50
Spacing is less than or equal to 200mm, i.e., the described dowel spacing is less than or equal to 200mm；Meanwhile each connection hole 50 with it is adjacent pre-buried
The spacing distance of the width direction side of plate 10 be 35mm, positioned at 40 length direction both ends of bonding pad connection hole 50 with close to
The spacing distance of length direction side of embedded board 10 be also 35mm, to meet the resistance to plucking requirement under bearing capacity complex situations.
In other embodiments of the utility model, more specifically optimization design has been carried out to the dowel spacing,
Specifically, connection hole 50 includes the first connection hole 51 and the second connection hole 52 positioned at 40 center line two sides of bonding pad,
And multiple third connection holes 53 for being located at the first connection hole 51 and the second connection 52 two sides of hole；Wherein, first
The spacing connected between hole 51 and the second connection hole 52 is less than or equal to 200mm, and two adjacent thirds connect hole 53
Between spacing, first connection hole 51 and third connection hole 53 between spacing and second connection hole 52 and third connect
The spacing connect between hole 53 is equal to 200mm.
Further, the present embodiment provides the built-in fitting of multiple choices form for the installation of technique cabinet, and by built-in fitting
Model parameter is as shown in following table one:
One nuclear power plant's high-accuracy built-in fitting parameter list of table
Wherein, embedded board 10, band steel 20 and anchor slab 31 are all made of Q235 steel and are made, and band steel 20 includes FT 100A/B and FT
Two kinds of specifications of 200A/B, the thickness E of two kinds of band steels is 50mm, and the width B of the band steel of FT 100A/B specification is 100mm, FT
The width B of the band steel of 200A/B specification is 200mm.
The thickness e of embedded board 10 is 15mm, and the width b of embedded board includes tri- kinds of specifications of 200mm, 300mm and 400mm, in advance
The length s of buried plate can be adjusted according to the actual situation.
Dowel 30 uses HRB400 reinforcing bar, and there are two types of specification, the length l of one of specification dowel is 325mm, straight
Diameter d is 16mm, and the length l of another specification dowel is 425mm, and diameter d is 20mm.
The appearance profile of anchor slab 31 is cylindrical, anchor slab 31 with a thickness of 15mm, outer diameter D 60mm.
Further, the weld seam between dowel 30 and anchor slab 31 is located at 31 lower section of anchor slab, the calculated thickness a ' of the weld seam
For 8mm；
Weld seam between dowel 30 and embedded board 10 includes positioned at the first weld seam of 10 top of embedded board and positioned at embedded board
Second weld seam of lower section, and the calculated thickness a ' of first weld seam is 8mm, the calculated thickness a of the second weld seam is 5mm.
It should be noted that the parameter list of the above built-in fitting is the utility model according to the specification of presently relevant cabinet, press
It is obtained according to bearing capacity calculation.Those skilled in the art can in the light of actual conditions make the specifications parameter of built-in fitting specific
Adjustment, is within the protection scope of the utility model.
In conclusion a kind of nuclear power plant's high-accuracy built-in fitting provided by the utility model has following technical effect that
(1) high-accuracy built-in fitting includes an embedded board and secondary welding is fixed on band steel above embedded board, finally
It can be that cabinet installation accuracy adjusts reserved space by adjusting the precision of band steel, without being adjusted to entire built-in fitting, from
And reduce a large amount of post-processing work, be conducive to control the duration, and can satisfy instrument control, the high accuracy install of electric cabinet
It is required that；
(2) dowel design is optimized, built-in fitting bearing capacity is improved, meets the peace of cabinet under a variety of different bearer force requests
Reload request, while multiple choices form is provided for the installation of technique cabinet.
It should be understood that for those of ordinary skills, it can be modified or changed according to the above description,
And all these modifications and variations all should belong to the protection scope of the appended claims for the utility model.
Claims (10)
1. a kind of nuclear power plant's high-accuracy built-in fitting, which is characterized in that including the embedded board (10) that is once embedded in concrete and
Secondary welding is fixed on the band steel (20) above the embedded board (10)；
At least two rows of dowel groups are arranged at intervals with below the embedded board (10), each dowel group includes multiple along described pre-
Buried plate (10) length direction is fixed on described pre- according to the spaced dowel of dowel spacing (30), one end of the dowel (30)
On buried plate (10), the other end of the dowel (30) is fixed with anchor slab (31).
2. built-in fitting according to claim 1, which is characterized in that the dowel spacing is less than or equal to 200mm.
3. built-in fitting according to claim 2, which is characterized in that the width of the band steel (20) is less than the embedded board
(10), the bonding pad (40) positioned at the band steel (20) two sides, each bonding pad are provided on the embedded board (10)
(40) it is offered on multiple along its length according to the spaced connection hole (50) of the dowel spacing, the connecting hole
Hole (50) is for being welded and fixed the dowel (30).
4. built-in fitting according to claim 3, which is characterized in that the connection hole (50) includes being located at the connection
First connection hole (51) of area (40) center line two sides and second connects hole (52) and multiple is located at described first
The third for connecting hole (51) and second connection hole (52) two sides connects hole (53)；
Spacing between first connection hole (51) and the second connection hole (52) is less than or equal to 200mm, and adjacent two
Between spacing, first connection hole (51) between third connection hole (53) and third connect between hole (53)
Away from and second connection hole (52) and third connect hole (53) between spacing be equal to 200mm.
5. built-in fitting according to claim 3, which is characterized in that the quantity of the dowel group is two rows, two rows of anchors
Muscle group is separately fixed on two bonding pads (40).
6. built-in fitting according to claim 1, which is characterized in that the weldering between the embedded board (10) and band steel (20)
Seam length is 100mm, and the calculated thickness of weld seam is 10mm, spot pitch 100mm.
7. built-in fitting according to claim 1, which is characterized in that the band steel (20) with a thickness of 50mm, it is described flat
The width of steel (20) is 100mm or 200mm.
8. built-in fitting according to claim 1, which is characterized in that the diameter of the dowel (30) is 16mm, the anchor
The length of muscle (30) is 325mm.
9. built-in fitting according to claim 1, which is characterized in that the diameter of the dowel (30) is 20mm, the anchor
The length of muscle (30) is 425mm.
10. built-in fitting according to claim 1, which is characterized in that the anchor slab (31) with a thickness of 15mm, the anchor
The outer diameter of plate (31) is 60mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821366423.5U CN208857970U (en) | 2018-08-23 | 2018-08-23 | A kind of nuclear power plant's high-accuracy built-in fitting |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821366423.5U CN208857970U (en) | 2018-08-23 | 2018-08-23 | A kind of nuclear power plant's high-accuracy built-in fitting |
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| CN208857970U true CN208857970U (en) | 2019-05-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112059476A (en) * | 2020-08-20 | 2020-12-11 | 中冶天工集团有限公司 | Method for mounting fluke in heating furnace |
-
2018
- 2018-08-23 CN CN201821366423.5U patent/CN208857970U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112059476A (en) * | 2020-08-20 | 2020-12-11 | 中冶天工集团有限公司 | Method for mounting fluke in heating furnace |
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