CN101439556B - Inner mold for casting concrete nuclear waste bucket - Google Patents
Inner mold for casting concrete nuclear waste bucket Download PDFInfo
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- CN101439556B CN101439556B CN2008102204703A CN200810220470A CN101439556B CN 101439556 B CN101439556 B CN 101439556B CN 2008102204703 A CN2008102204703 A CN 2008102204703A CN 200810220470 A CN200810220470 A CN 200810220470A CN 101439556 B CN101439556 B CN 101439556B
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- side form
- nuclear waste
- inner mold
- baffle plate
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Abstract
The invention relates to an internal mould for pouring a concrete nuclear waste cask, comprising a round platform shape side mould which is provided with a notch passing through the whole side surface of the side mould, a round bottom plate of the internal mould which is arranged at the upper end of the side mould, an arc movable template with the arc length being equal to the arc length of the notch of the side mould, a fixing device for the movable template which is used for fixing the side mould and the movable template, and a fixing device for the bottom plate which is used for fixing the side mould and the movable device on the bottom plate of the internal mould. The internal mould of the invention consists of the side mould, the movable template and the bottom plate of the internal mould. Mould removing is realized in a way that the movable template, the side mould and the bottom plate of the internal mould are taken out in sequence. The mould removing mode can not only remove the mould quickly and smoothly, but also can be free from damaging the concrete nuclear waste cask, thus ensuring the product percent of pass of the concrete nuclear waste cask.
Description
Technical field
The present invention relates to a kind of mould, refer in particular to a kind of inner mold of using when being used for the casting concrete nuclear waste barrel.
Background technology
As the packing container-concrete nuclear waste barrel of radwaste, concrete pouring quality is required high especially, any position of staving is not allowed honeycomb, bubble, cavity, crack etc. to occur, crackle, sand surface all there are strict demand.The inner mold of concrete bucket adopts the monoblock type cone usually, because the concrete staving tightly wraps up inner mold, make the demoulding of inner mold relatively more difficult, when being the casting concrete bucket, solution needs to coat the thick wax layer of 0.5mm with the concrete joint synapsis on the inner mold surface, the wax layer is selected from pattern hole when steam curing, thereby form the space of inner mold and concrete surface, utilize the deadweight of concrete bucket to get final product the smooth demoulding.
Take steam curing process can improve concrete early strength, shorten product stripping, accelerate the mould turnover, enhance productivity.But steam curing exists a shortcoming, the i.e. internal injury of concrete crystal structure and loss of strength after the steam curing.During steam curing, the hydration reaction speed of cement has been accelerated greatly, but because the formation of screened film, hydrone slows down to the cement granules diffusion velocity that does not have aquation, and water is not easy to enter unhydrated kernel.When steam-cured, hydrated silicate basicity improves, be unfavorable for the formation of water mudrock structure, to cause the concrete pore rate to increase, the concrete crystal structure is sustained damage, and this injured structure tend towards stability along with proceeding of hydration, along with the raising volumetric expansion of intensity is preserved by cement stone, this has just formed the residual deformation after steam-cured.
Because it is on the low side that the steam curing production technology to the adverse effect that the concrete crystalline solid causes, makes as the product percent of pass of the concrete bucket of packing container.
Summary of the invention
The technical problem to be solved in the present invention provides the logical inner mold for casting of a kind of concrete nuclear waste, and this inner mold tool is the demoulding smoothly fast not only, but also can not damage concrete nuclear waste barrel, has improved the product percent of pass of concrete nuclear waste barrel greatly.
In order to solve the problems of the technologies described above, inner mold for casting concrete nuclear waste bucket of the present invention comprises:
Side form, this side form is a truncated cone-shaped, is provided with the breach of certain arc length on side form, this breach runs through the side of whole side form;
Interior baffle plate, baffle plate is a circular bottom plate in this, interior baffle plate is installed in the upper end of side form;
Collapsible form, the circular arc template of this collapsible form, its arc length equates with the arc length of above-mentioned side form breach;
The collapsible form fixture, this collapsible form device is used for side form and collapsible form are fixed together;
And base plate fixture, this base plate fixture are used for side form and head are fixed to interior baffle plate together.
Concrete nuclear waste inner mold for casting of the present invention is assembled by side form, collapsible form and interior baffle plate, during the demoulding, realize the demoulding by taking out collapsible form, side form and interior baffle plate successively, the demoulding smoothly fast of this stripping means, but also can not damage concrete nuclear waste barrel, can guarantee the product percent of pass of concrete nuclear waste barrel.
Described side form is formed by steel plate bending, and it is fast that this mode is processed side form speed, and technology is simple, cost of manufacture is low.
Be provided with platen support near the inboard of described side form is positioned at breach, platen support is symmetrically distributed along breach; Described collapsible form fixture comprises: wedge and pressing plate; The pressing plate two ends are fixed on the above-mentioned platen support, and wedge is between collapsible form and pressing plate.This side form fixed form is by pressing plate being fixed on the platen support, inserting wedge again between pressing plate and collapsible form, regulating the fastening degree of collapsible form by wedge.
Described base plate fixture comprises clamp and set bolt, and set bolt is installed in clamp on the interior baffle plate.Side form is fixed clamp by bolt after being assembled on the interior baffle plate, and clamp makes the termination of clamp and side form inner surface support, and so just side form can be fixed on the interior baffle plate.During the demoulding, the nut of laying down on the bolt takes out clamp, and its termination is separated with the side form inner surface, can make side form separate with interior baffle plate.This base plate fixture structure is simple, and side form and interior baffle plate installing/dismounting are quick.
Described base plate fixture is two or more, and the base plate fixture is circle distribution along interior baffle plate center.By being set, a plurality of base plate fixtures can guarantee that its position is not moved from a plurality of direction restriction side forms.
The present invention further comprises side form form removal device, and this form removal device comprises that the side form inboard is along the symmetrically arranged a pair of gaily decorated basket screw that draws ear and two ends to be installed in to draw on the ear of breach.Be installed in the gaily decorated basket screw that draws on the ear by rotation during form removal and make that a pair of ear that draws is close mutually, further drive the side form contraction so that take out side form, this side form form removal apparatus structure is simple.
The present invention further comprises base plate form removal device, and this base plate form removal device comprises the dismounting piece that is installed in the inboard center of interior baffle plate, is provided with the through hole that can supply rope to pass on the dismounting piece.After taking off side form, can by be installed in base plate on base plate form removal device take off base plate, pass the through hole of dismounting on the piece by rope and further pull out interior baffle plate.
The seam of described collapsible form and side form and the normal of described side form have angle.Can slow down seam crossing spillage speed so as far as possible.
Description of drawings
Fig. 1 is the side form structural representation of concrete nuclear waste barrel inner mold of the present invention;
Fig. 2 is the front view of the inner mold base plate of concrete nuclear waste barrel inner mold of the present invention;
Fig. 3 is the cutaway view of Fig. 2 along the A-A direction;
Fig. 4 is the side form of concrete nuclear waste barrel inner mold of the present invention and the partial assembled schematic diagram between the interior baffle plate;
Fig. 5 is that the part of the collapsible form fixture of concrete nuclear waste barrel inner mold of the present invention is formed schematic diagram;
Fig. 6 is the collapsible form of concrete nuclear waste barrel inner mold of the present invention and the assembling schematic diagram between the side form.
The specific embodiment
Below in conjunction with specification drawings and specific embodiments concrete nuclear waste barrel inner mold of the present invention is described in further detail.
To shown in Figure 6, concrete nuclear waste barrel inner mold of the present invention is assembled by side form 1, interior baffle plate 2, collapsible form 6, collapsible form fixture 5 and base plate fixture 3 as Fig. 1.
As shown in Figure 1, the side form 1 of concrete nuclear waste barrel inner mold of the present invention is a truncated cone-shaped, the side form 1 convenient interior baffle plate 2 and side form 1 demoulding of truncated cone-shaped.Be provided with the breach 11 of certain arc length on side form 1, breach 11 runs through the side of whole side form 1.In the present embodiment, side form 1 is formed by steel plate bending, and not only process velocity is fast to adopt this processing technology of steel plate bending to make side form, and technology is simple, cost of manufacture is low.Side form form removal device 7 also is equipped with in the demoulding for convenience in side form 1, side form form removal device 7 comprises that side form 1 inboard is along the symmetrically arranged a pair of gaily decorated basket screw 72 that draws ear 71 and two ends to be installed in to draw on the ear 71 of breach 11.
As shown in Figures 2 and 3, the interior baffle plate 2 of concrete nuclear waste barrel inner mold of the present invention is a circular bottom plate, and the side of circular bottom plate is provided with draw taper 21, the equal diameters of the diameter of base plate and side form 1 upper end.Simultaneously, also be provided with base plate fixture 3 on the inboard of interior baffle plate 2, in the present embodiment, base plate fixture 3 comprises clamp 31 and set bolt 32, the inboard of baffle plate 2 in baffle plate 2 and clamp 31 in set bolt 32 passes, set bolt 32 are removably mounted on clamp 31.Base plate fixture 3 is two or more, totally eight base plate fixtures 3 in the present embodiment, these eight base plate fixtures 3 are the inboard of circle distribution at interior baffle plate 2, and a plurality of base plate fixtures can guarantee that its position is not moved from a plurality of direction restriction side forms.Interior baffle plate 2 demouldings for convenience, in interior baffle plate 2 installed inside base plate form removal device 4 is arranged, in the present embodiment, the dismounting piece 41 that is installed in interior baffle plate 2 inboard centers that form removal device 4 comprises is provided with the through hole 42 that can supply rope or other instruments to pass on dismounting piece 42.
Assembling schematic diagram in being illustrated in figure 4 as between baffle plate 2 and the side form 1 is positioned at clamp 31 on the baffle plate 2 bolt 32 that is fixed and fixes, and one end and side form 1 medial surface hold, and side form 1 and interior baffle plate 2 can be fixed together in this way.
The part that is illustrated in figure 5 as the collapsible form fixture 5 of concrete nuclear waste barrel inner mold of the present invention is formed schematic diagram, in the present embodiment, be provided with platen support 13 near the inboard of side form 1 is positioned at breach 11, platen support 13 is symmetrically distributed along breach 11.Collapsible form fixture 5 comprises wedge 51 and pressing plate 52; The two ends of pressing plate 52 are fixed on the platen support 13, and wedge 51 is between collapsible form 6 and pressing plate 52.Collapsible form 6 be the circular arc template, its arc length equates that with the arc length of the breach 11 of side form 1 collapsible form 6 also can adopt steel plate to process fully.Installed inside at collapsible form 6 has bracing frame 62, bracing frame 62 is used to improve the intensity of collapsible form 6, inboard two ends at collapsible form 6 also are equipped with support division 61, support division 61 also is fixed together with bracing frame 62 simultaneously, because the circular arc portion of collapsible form 6 is positioned at the breach 11 of side form 1 fully, shown in the effect of support division 61 be that the pressure of wedge 51 is passed to collapsible form 6, make and can realize sealing between collapsible form 6 and the side form 1.
Be illustrated in figure 6 as the collapsible form 6 of concrete nuclear waste barrel inner mold of the present invention and the assembling schematic diagram between the side form 1, assembling is finished a seam is arranged between latter two between collapsible form 6 and side form 1, compressing collapsible form 6 by wedge 51 makes between itself and the side form 1 and closely cooperates, because the factor of processing and assembling, can there be the slit in seam crossing all the time, so just may cause concrete grout to spill from seam crossing.Therefore, for reduce as far as possible spillage may, add and process the oblique angle at the place, breach 11 sides of the side of collapsible form 6 and side form 1 man-hour, the seam of Xing Chenging just constitutes an angle with the normal of side form like this, owing to the existence of angle, can reduce the spillage speed of seam crossing as far as possible.Usually, the size of this angle can be taken from the 15-25 degree, chooses 20 degree in the present embodiment.
During assembling, earlier collapsible form 6 is placed in the breach 11, the two ends of the pressing plate 52 of collapsible form fixture 5 are fixed on the platen support 13, between support division on the collapsible form 6 61 and pressing plate 52, insert wedge 51 again, regulate tightness degree between collapsible form 6 and the side form 1 by the insertion depth of wedge 51.The collapsible form 6 and the side form 1 that are fixed together are placed on the interior baffle plate 2 together, all clamps 31 of base plate fixture 3 are fixed to interior baffle plate 2 inboards, make the top of clamp 31 support the medial surface of side form 1 and collapsible form 6, so just realized the internal mold assembling.
During the demoulding, at first by the set bolt 32 on the absent-mindedness base plate fixture 3 to dismantle all clamps 31, and then remove wedge 51 between support division on the collapsible form 6 61 and pressing plate 52, lay down the pressing plate 52 that is installed on the platen support 13 again, so just can unload collapsible form 6.After laying down collapsible form 6, be positioned at the gaily decorated basket screw 72 that draws on the ear 71 by rotation, make that the breach 11 of side form 1 is close mutually, side form 1 just breaks away from the concrete nuclear waste barrel inner surface like this, and just can take out side form 1 this moment.Last pass through hole 42 on the dismounting piece 41 that is arranged in baffle plate 2 inboards by rope or other extracting tools again, so just the bottom surface of interior baffle plate 2 disengaging concrete nuclear waste barrels just can have been realized the demoulding of whole inner mold at this moment.
Above disclosed only is the preferred embodiments of the present invention, can not limit the present invention's interest field certainly with this, and therefore the equivalent variations of being done according to the present patent application claim still belongs to the scope that the present invention is contained.
Claims (8)
1. an inner mold for casting concrete nuclear waste bucket is characterized in that, comprising:
Side form, this side form is a truncated cone-shaped, is provided with the breach of certain arc length on side form, this breach runs through the side of whole side form;
Interior baffle plate, baffle plate is a circular bottom plate in this, interior baffle plate is installed in the upper end of side form;
Collapsible form, this collapsible form are the circular arc template, and its arc length equates with the arc length of above-mentioned side form breach;
The collapsible form fixture, this collapsible form fixture comprises: wedge, pressing plate and near the platen support of inboard breach that is located at side form, platen support is symmetrically distributed along breach; The two ends of described pressing plate are fixed on the above-mentioned platen support, and wedge is between collapsible form and pressing plate; This collapsible form fixture is fixed together side form and collapsible form; And
The base plate fixture, this base plate fixture comprises clamp and set bolt, set bolt is installed in clamp on the interior baffle plate; This base plate fixture is fixed to side form and head on the interior baffle plate together.
2. concrete nuclear waste inner mold for casting as claimed in claim 1 is characterized in that described side form is formed by steel plate bending.
3. concrete nuclear waste inner mold for casting as claimed in claim 1 is characterized in that, described base plate fixture is two or more, and the base plate fixture is circle distribution along interior baffle plate center.
4. concrete nuclear waste inner mold for casting as claimed in claim 1 is characterized in that, described interior baffle plate side is provided with draw taper.
5. concrete nuclear waste inner mold for casting as claimed in claim 1, it is characterized in that, also comprise side form form removal device, this side form form removal device comprises and is positioned at the side form inboard along the symmetrically arranged a pair of gaily decorated basket screw that draws ear and two ends to be installed in to draw on the ear of breach.
6. concrete nuclear waste inner mold for casting as claimed in claim 1 is characterized in that, it also comprises base plate form removal device, and this base plate form removal device comprises the dismounting piece that is installed in the inboard center of interior baffle plate, is provided with the through hole that can supply rope to pass on the dismounting piece.
7. concrete nuclear waste inner mold for casting as claimed in claim 1 is characterized in that, the seam of described collapsible form and side form and the normal of described side form have angle.
8. concrete nuclear waste inner mold for casting as claimed in claim 7 is characterized in that, described angle is the 15-25 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102204703A CN101439556B (en) | 2008-12-26 | 2008-12-26 | Inner mold for casting concrete nuclear waste bucket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102204703A CN101439556B (en) | 2008-12-26 | 2008-12-26 | Inner mold for casting concrete nuclear waste bucket |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101439556A CN101439556A (en) | 2009-05-27 |
| CN101439556B true CN101439556B (en) | 2010-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008102204703A Active CN101439556B (en) | 2008-12-26 | 2008-12-26 | Inner mold for casting concrete nuclear waste bucket |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104802301A (en) * | 2015-04-30 | 2015-07-29 | 华南理工大学 | Mould and method for preparing ultra-high performance concrete pipeline |
| CN107388012A (en) * | 2017-06-27 | 2017-11-24 | 中国海洋石油总公司 | The control method of large hollow tubular structure thing precision |
| CN109235500B (en) * | 2018-11-12 | 2023-11-21 | 武汉钟鑫建设集团有限公司 | Inspection shaft consolidates concrete placement combination steel mould |
| CN110524714B (en) * | 2019-08-15 | 2024-06-14 | 中交第二航务工程局有限公司 | Ultra-large diameter UHPC pipe pile production process and horizontal prefabricated template system |
| CN113334838B (en) * | 2021-06-01 | 2023-02-21 | 浙江庄辰建筑科技有限公司 | Novel combined mold quick detach device convenient to use |
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