Background technology
The reinforcement for openings of shell structure refers to that around opening in shell, paste weldering one encloses steel plate, i.e. reinforced structure.General and the wall of reinforced structure adopts bridging arrangement, and material is identical with wall, and reinforced structure size can refer to standard and determines, also can calculate by equal area reinforcement principle.Reinforced structure is simple, is easy to manufacture, and is widely used.But there is the air gap that one deck is static between reinforced structure and housing, heat-transfer effect is poor, causes the two temperature difference and thermal expansion difference comparatively large, easily cause thermal (temperature difference) stress.When stiffening ring welds mutually with housing, make rigidity herein become large, larger effect of contraction is risen to the cooling meat of angle welding, easily causes crackle in commissure.Particularly high strength steel hardenability is large, more responsive to weld crack, more easy to crack.Also because stiffening ring and housing or adapter metal do not form an entirety, thus anti-fatigue performance is poor.
Apparatus casing connects numerous pipeline by fabrication hole of opening, and completes material transportation, is extensively present in the every profession and trades such as oil, chemical industry, electric power.Its perforate needs reinforcement measure mostly, and the utility model proposes more excellent measure to this reinforcement for openings mode, can make that reinforcement degree increases, quality is lighter, materials reduce.
Utility model content
The purpose of this utility model is to provide a kind of porous welding reinforcement and strengthening sheet, to improve the imperfection place existed in known technology.
A kind of porous welding reinforcement and strengthening sheet, described reinforcement and strengthening sheet has pass through aperture and multiple reinforcing hole, described through hole is placed in described reinforcement and strengthening sheet center position, and run through described reinforcement and strengthening sheet body, described reinforcing sky is for implementing the welding weld seam of welding formation in perforate gap, described reinforcing hole is evenly distributed on through hole week side, and described reinforcing hole is fused on housing.
Further, when being applied in adapter junction, also comprise a body reinforcing chip, described body reinforcing chip articulating in adapter, and and forms an annular opening between housing reinforcement and strengthening sheet, the welding of opening part annular.
Further, described body reinforcing chip has body reinforcement elements, described body reinforcement elements is fused in adapter.
Further, described body reinforcement elements is body reinforced hole, and described body reinforced hole is fused to described adapter.
Further, described reinforcement and strengthening sheet end and body reinforcing chip end are fused in housing and adapter respectively.
Further, described reinforcement and strengthening sheet has pass through aperture and around the irregular netted of through hole or irregular strip, described through hole is placed in described reinforcement and strengthening sheet center position, and run through described reinforcement and strengthening sheet body, described irregular netted or irregular strip is evenly distributed on through hole week side, described irregularly nettedly have multiple mesh, and described irregular strip has multiple strip hole, and described mesh or strip hole are fused on housing.
The utility model also provides a kind of porous welding reinforcement and strengthening sheet, described reinforcement and strengthening sheet is used for ruggedized equipment housing, described reinforcement and strengthening sheet has multiple reinforcing hole, and described reinforcing hole is irregular to be distributed on reinforcing sheet body, and described reinforcing hole is fused on housing.
Further, unit is mended in described reinforcing is circle, bar shaped, square, rhombus or other shapes.
The beneficial effects of the utility model; Can better make to be combined closely by reinforcement body and reinforcing chip, the utility model porous welding reinforcement and strengthening sheet has reinforcement degree to be increased and the lighter advantage of quality, and realistic need of production is applicable to extensive use.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is explained in further detail.Should be appreciated that specific embodiment described herein only for explaining the utility model, and be not used in restriction the utility model.
On the contrary, the utility model is contained any by the substituting of making on marrow of the present utility model and scope of defining of claim, amendment, equivalent method and scheme.Further, in order to make the public have a better understanding to the utility model, in hereafter details of the present utility model being described, detailedly describe some specific detail sections.
Be illustrated in figure 1 the first embodiment of the present utility model, the porous welding reinforcement and strengthening sheet that the utility model provides, described reinforcement and strengthening sheet 2 entirety is circular, described reinforcement and strengthening sheet 2 has pass through aperture 5 and multiple reinforcing hole 4, described through hole 5 is placed in reinforcement and strengthening sheet 2 center position, and run through described reinforcement and strengthening sheet 2 body, described reinforcing hole 4 is evenly distributed on outside through hole 5; Inside described through hole 5, articulating is in adapter 3 outer circumferential side, reinforcement and strengthening sheet 2 one side is covered on housing 1, described reinforcing hole 4 is reinforced on housing 1 by welding, can make better to be combined closely by the housing 1 of reinforcement and described reinforcing chip 2, the utility model porous welding reinforcement and strengthening sheet has reinforcement degree to be increased and the lighter advantage of quality, realistic need of production, is applicable to extensive use.Welding reinforcement process measure contained by the utility model also can be used for the strengthening reconstruction of existing equipment.
Be illustrated in figure 2 blast pipe in the Direct Air-Cooled project of certain company, the adapter of DN3600 round casing external DN2600 circle, adapter place adopts annular reinforcing chip to be of a size of 3024/ 2624.Whole circle in reinforcing ring is set and is uniformly distributed 32 40 circular holes, implement welding at circular hole place, make housing and the better welding of reinforcing chip.
Be illustrated in figure 3 the second embodiment of the utility model porous welding reinforcement and strengthening sheet, this embodiment is identical with above-described embodiment content part, to repeat no more at this, only difference is, the present embodiment also has a body reinforcing chip 6, described body reinforcing chip 6 articulating is in adapter 3, and and there is between reinforcement and strengthening sheet 2 annular opening 7, described body reinforcing chip 6 has body reinforced hole 8, described body reinforced hole 8 is fused in adapter 3, the upper end side of described body reinforcing chip 6 is fused in described adapter 3 simultaneously, the outer circumferential side of described reinforcement and strengthening sheet 2 is fused on described housing.
Described annular opening 7 comprises a Part I and a Part II, described Part I is arranged on reinforcement and strengthening sheet 2 body, and radially mouth is protruded out towards extending multiple first in contrast to through hole 5 direction around described through hole 5, described Part II extends multiple second from described body reinforcing chip and protrudes out mouth, not through described body reinforcing chip.In reinforcing process, body reinforcing chip 6 is covered in adapter 3, annular opening 7 is anchored on the junction of adapter 3 and housing 1 by welding, by welding, reinforcing chip is firmly connected with by reinforcing body herein, and described body reinforcing chip 6 has body reinforced hole 8, described body reinforced hole 8 is reinforced in adapter 3 by welding, can better make to be combined closely by the housing 1 of reinforcement and described reinforcing chip 2, the utility model porous welding reinforcement and strengthening sheet has reinforcement degree to be increased and the lighter advantage of quality, realistic need of production, is applicable to extensive use.Welding reinforcement process measure contained by the utility model also can be used for the strengthening reconstruction of existing equipment.
And apply radial first in the present embodiment and protrude out mouth, through hole 5 is made to have elastic force, when reinforcement and strengthening sheet being covered in the junction of adapter and housing, that can improve reinforcement and strengthening sheet butt tube adds the power of pulling, body reinforcing chip is expansible is simultaneously connected in adapter 3, and have body reinforced hole to realize welding reinforcing, make to paste more tight, improve consolidation effect.Described reinforcing hole, body reinforced hole and being reinforced shows consideration for the one side week side covered, have and to stretch out radial groove along reinforced hole, described radial groove is radial reinforcing groove, in reinforcement process, in welding reinforcing process, after groove is pasted by brute force, shape is out of shape, and groove type becomes receipts again, and then produces huge absorption affinity, by stiffening piece be reinforced body and only paste, realize efficiently reinforcing; Simultaneously first the protruding out mouth and extend outward groove of through hole week side, the absorption affinity that this groove produces, in conjunction with opening, will pull the second nose, and that improves nose adds the power of pulling, raising consolidation effect.
As shown in Figure 4,5, for the 3rd embodiment of porous welding reinforcement and strengthening sheet of the present invention, the present embodiment is identical with above-mentioned first embodiment content part, only difference is, described reinforcement and strengthening sheet body has irregular netted or irregular strip, irregular netted between there is multiple mesh, by described mesh by the welding of described reinforcement and strengthening sheet on housing; There is multiple strip hole between irregular strip, by described strip hole by the welding of described reinforcement and strengthening sheet on housing, the welding of reinforcement and strengthening sheet is being fused on body by what increase irregular netted and irregular strip dispersion by this place, improve reinforcement strength fully, achieve the advantage that quality is lighter simultaneously.
As shown in Figure 6, for the 4th embodiment of porous welding reinforcement and strengthening sheet of the present invention, the present embodiment is identical with above-mentioned first embodiment content part, only difference is, the present embodiment does not have through hole, and the reinforcement and strengthening sheet that the present embodiment provides is applied to the reinforcement and strengthening of apparatus casing, and be arranged on that reinforcing hole on reinforcement and strengthening sheet body is circle, bar shaped, square, rhombus or other shapes.
Above embodiment is the unrestricted the technical solution of the utility model in order to explanation only.Circular welding hole is not defined as individual pen in actual applications, can take other arrangement mode according to different situations.Therefore, the amendment or the local that do not depart from the utility model spirit and scope are replaced, and should be encompassed in the middle of protection domain of the present utility model.