CN201362958Y - Inflatable mold for manufacturing beam plate pre-stressing hole - Google Patents
Inflatable mold for manufacturing beam plate pre-stressing hole Download PDFInfo
- Publication number
- CN201362958Y CN201362958Y CNU2009201018488U CN200920101848U CN201362958Y CN 201362958 Y CN201362958 Y CN 201362958Y CN U2009201018488 U CNU2009201018488 U CN U2009201018488U CN 200920101848 U CN200920101848 U CN 200920101848U CN 201362958 Y CN201362958 Y CN 201362958Y
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- Prior art keywords
- hole
- mold body
- beam plate
- stressing
- girder plate
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Abstract
The utility model belongs to the technical field of a mold for beam plate pre-stressing holes and in particular discloses an inflatable mold for manufacturing a beam plate pre-stressing hole; the main technical characteristics are that: the inflatable mold comprises a mold body which forms an inflating cavity by surrounding, the end part of the mold body is provided with an air tap which is communicated with the inflating cavity, a first weaving reinforced layer is arranged in the mold body, and a lining is arranged in the inflating cavity. After concrete is hardened, the air in the mold body is discharged, as the concrete can not be adhered with rubber, the mold body is separated from the beam plate pre-stressing hole after the air is discharged, and then the mold body is taken out. When the mold body is damaged and air is leaked, the beam plate pre-stressing hole can be in accord with requirements owning to the supporting of the lining, and the beam plate can not be scrapped caused by the damage of the mold body, the production cost is reduced, the transportation is convenient and the usage is simple.
Description
Technical field
The utility model belongs to makes the girder plate prestress hole technical field of mold, relates in particular to and makes girder plate prestress hole Puffer-type mould.
Background technology
At present, in bridge beam slab manufacturing process, in order to form girder plate prestress hole (steel strand stretch-draw use), often before fluid concrete, be embedded in the beam reinforced steel bar cage with metal bellows or plastic film capicitor, after concrete setting, metal bellows or plastic film capicitor and concrete setting together, thereby form girder plate prestress hole.After the bridge beam slab completed, metal bellows or plastic film capicitor can not take out and stay in the bridge beam slab, cause the waste of metal tube or plastic material, have increased the cost of production of bridge beam slab.For this reason the applicant to have submitted patent name on July 12nd, 2008 be the patent application of 200820077893.X for " girder plate prestress hole Inflatted rubber tyre mould ", number of patent application, a kind of Inflatted rubber tyre mould is disclosed, this mould have save material, can be repeatedly used, advantage easy to use, but, when repeatedly using or run into hard thing, may cause and prick bad gas leakage, make that the bridge beam slab is undesirable, the price of each beam slab is lost very big between hundreds of thousands unit.
The utility model content
Problem to be solved in the utility model just provides the cost of production of a kind of alternative metals bellows or plastic film capicitor, reduction bridge beam slab, reusable, manufacturing girder plate prestress hole Puffer-type mould that double insurance can be provided.
For addressing the above problem, the utility model is made girder plate prestress hole: comprise the die ontology that surrounds inflatable chamber, be provided with the valve that communicates with described inflatable chamber in the end of described die ontology, in described die ontology, be provided with the first braiding enhancement Layer, be provided with liner at described inflatable chamber.
Its additional technical feature is:
Described liner is to have certain degree of hardness and the bushing pipe more smaller than inflatable chamber diameter;
Described liner is an inflatable bladder;
Described inflatable bladder is one;
Described inflatable bladder is two or more that arrange along straight line, is provided with the second braiding enhancement Layer in described inflatable bladder.
Manufacturing girder plate prestress hole provided by the utility model with the Puffer-type mould compared with prior art, have the following advantages: one, owing to comprise the die ontology that surrounds inflatable chamber, be provided with the valve that communicates with described inflatable chamber in the end of described die ontology, in described die ontology, be provided with the first braiding enhancement Layer, be provided with liner at described inflatable chamber, before fluid concrete, inflate to inflatable chamber by valve, be embedded in the beam reinforced steel bar cage, wait concrete initial set after, bleed off the gas in the inflatable chamber, because concrete and rubber adhesion frictional force are little, after gas bleeds off, take out die ontology and get final product, prestress hole is smooth, when die ontology damages gas leakage, because the support of liner, can be so that girder plate prestress hole can meet the requirements, can not cause beam slab to scrap because of the damage of die ontology, reduced cost of production,, made mould molding effective owing in described die ontology, be provided with the first braiding enhancement Layer; Its two because described liner is to have certain degree of hardness and the bushing pipe more smaller than inflatable chamber diameter, guaranteed can form girder plate prestress hole after die ontology damages gas leakage, can not cause beam slab to scrap because of the damage of die ontology; They are three years old, because described liner is an inflatable bladder, like this, before fluid concrete, will inflate in inflatable chamber and the inflatable bladder, be embedded in the beam reinforced steel bar cage, behind concrete initial set, the gas that bleeds off in inflatable chamber and the inflatable bladder gets final product, when gas leakage takes place die ontology, because the existence of inflatable bladder is unlikely to cause beam slab to scrap because of girder plate prestress hole blocks; Its four because described inflatable bladder is one, can form circular girder plate prestress hole like this; Its five because described inflatable bladder be two or more that arrange along straight line, in described inflatable bladder, be provided with second and weave enhancement Layer, can form two faces like this and be almost the girder plate prestress hole that the both sides, plane are semi circular surface.
Description of drawings
Fig. 1 makes the structural representation of girder plate prestress hole with the Puffer-type mould for the utility model;
Fig. 2 is the sectional view of Fig. 1;
Fig. 3 has bushing pipe and makes the structural representation of girder plate prestress hole with the Puffer-type mould;
Fig. 4 is the another kind of sectional view of making girder plate prestress hole with the Puffer-type mould.
The specific embodiment
Below in conjunction with accompanying drawing concrete structure and the use principle of the utility model manufacturing girder plate prestress hole with the Puffer-type mould is described in further details.
As depicted in figs. 1 and 2, the utility model is made girder plate prestress hole and is comprised the die ontology of being made by elastomeric material or plastic or other material 1 with the Puffer-type mould, die ontology 1 surrounds inflatable chamber 2, the external surface of die ontology 1 is cylindrical under inflated condition or the cross section is oval column, is provided with the valve 3 that communicates with inflatable chamber 2 in the end of die ontology 1.In die ontology 1, be provided with the first braiding enhancement Layer 4, in inflatable chamber 2, be provided with liner 5.Before fluid concrete, inflate to inflatable chamber 2 by valve 3, be embedded in the beam reinforced steel bar cage, behind concrete initial set, bleed off the gas in the inflatable chamber 2, because concrete and rubber adhesion frictional force are little, after gas bleeds off, take out die ontology and get final product, prestress hole is smooth, when die ontology 1 damages gas leakage, because the support of liner, can be so that girder plate prestress hole can meet the requirements, can not cause beam slab to scrap because of the damage of die ontology, reduced cost of production,, made mould molding effective owing in die ontology 1, be provided with the first braiding enhancement Layer 4.
As shown in Figure 3, liner 5 can guarantee can form girder plate prestress hole after die ontology 1 damages gas leakage like this for having certain degree of hardness and the bushing pipe 51 more smaller than inflatable chamber 2 diameters, can not cause beam slab to scrap because of the damage of die ontology 1.
As illustrated in fig. 1 and 2, the inflatable bladder 52 that liner 5 can be made for rubber or other materials, the number of inflatable bladder 52 is 1, like this, die ontology 1 inflation back is rounded.Before fluid concrete, with inflation in inflatable chamber 2 and the inflatable bladder 52, be embedded in the beam reinforced steel bar cage, behind concrete initial set, the gas that bleeds off in inflatable chamber 2 and the inflatable bladder 52 gets final product, when gas leakage takes place in die ontology 1, because the existence of inflatable bladder 52 is unlikely to cause beam slab to scrap because of girder plate prestress hole blocks.
As shown in Figure 4, the number of inflatable bladder 52 is 4, and arrange along straight line, be provided with the second braiding enhancement Layer 53 in the inflatable bladder 52, like this, each inflatable bladder 52 inflatable columns shape, two faces of die ontology 1 inflation back formation are almost the plane, both sides are the shape of semi circular surface, the girder plate prestress hole that forms is the flat hole, and certainly, what the number of inflatable bladder 52 can be for more than 2 as required is a plurality of arbitrarily.
Claims (5)
1, makes girder plate prestress hole Puffer-type mould, comprise the die ontology that surrounds inflatable chamber, be provided with the valve that communicates with described inflatable chamber in the end of described die ontology, it is characterized in that: in described die ontology, be provided with the first braiding enhancement Layer, be provided with liner at described inflatable chamber.
2, manufacturing girder plate prestress hole Puffer-type mould according to claim 1 is characterized in that: described liner is to have certain degree of hardness and the bushing pipe more smaller than inflatable chamber diameter.
3, manufacturing girder plate prestress hole Puffer-type mould according to claim 1, it is characterized in that: described liner is an inflatable bladder.
4, manufacturing girder plate prestress hole Puffer-type mould according to claim 3, it is characterized in that: described inflatable bladder is one.
5, manufacturing girder plate prestress hole Puffer-type mould according to claim 3 is characterized in that: described inflatable bladder two or more for arranging along straight line are provided with the second braiding enhancement Layer in described inflatable bladder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201018488U CN201362958Y (en) | 2009-03-09 | 2009-03-09 | Inflatable mold for manufacturing beam plate pre-stressing hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201018488U CN201362958Y (en) | 2009-03-09 | 2009-03-09 | Inflatable mold for manufacturing beam plate pre-stressing hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201362958Y true CN201362958Y (en) | 2009-12-16 |
Family
ID=41473619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009201018488U Expired - Fee Related CN201362958Y (en) | 2009-03-09 | 2009-03-09 | Inflatable mold for manufacturing beam plate pre-stressing hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201362958Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102912913A (en) * | 2011-12-26 | 2013-02-06 | 周立成 | Cast-in-place concrete filling tire body |
| CN105863259A (en) * | 2016-05-19 | 2016-08-17 | 江苏科技大学 | Concrete cylinder inflatable formwork and use method thereof |
-
2009
- 2009-03-09 CN CNU2009201018488U patent/CN201362958Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102912913A (en) * | 2011-12-26 | 2013-02-06 | 周立成 | Cast-in-place concrete filling tire body |
| CN102912913B (en) * | 2011-12-26 | 2015-10-21 | 周立成 | A kind of cast-in-place concrete filling carcass |
| CN105863259A (en) * | 2016-05-19 | 2016-08-17 | 江苏科技大学 | Concrete cylinder inflatable formwork and use method thereof |
| CN105863259B (en) * | 2016-05-19 | 2018-04-17 | 江苏科技大学 | A kind of concrete cylindrical inflatable template and its application method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091216 Termination date: 20120309 |