CN102926541A - Method and mould for molding prefabricated hole in concrete - Google Patents
Method and mould for molding prefabricated hole in concrete Download PDFInfo
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- CN102926541A CN102926541A CN2012104745029A CN201210474502A CN102926541A CN 102926541 A CN102926541 A CN 102926541A CN 2012104745029 A CN2012104745029 A CN 2012104745029A CN 201210474502 A CN201210474502 A CN 201210474502A CN 102926541 A CN102926541 A CN 102926541A
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Abstract
The invention relates to the field of civil engineering, particularly relates to a method and mould for molding a prefabricated hole in concrete, and specifically relates to a method for prefabricating a hole with internal threads in a concrete member by using a bolt-type mould, namely prefabricating a nut in the concrete member and pre-setting a steel nut welded with a reinforced anchoring steel bar in thin-wall type concrete members such as floorslabs so as to support, connect, fix and fasten templates and prefabricated concrete members by using screwed connection and fixation bolts during engineering building and construction. The hole is provided with the internal threads, fastening can be realized only at one side, and therefore, the method and the mould are simple and convenient in operation; as for a member with an outer-wall heat-preservation and insulation layer, the hole with the internal threads is more suitable for fastening at single side because the hole is not suitable for penetrating through the outer wall; the hole with the internal threads is pre-set in the concrete, and a simple bolt type mould can be used, so that the mould is convenient to prepare; in addition, the mould can be reused and recycled several times, so that the material is saved and the engineering cost can be reduced.
Description
Technical field
The present invention relates to the civil engineering class, be specifically related to the construction of civil engineering, particularly relating to a kind of hole forming method and mould of presetting in concrete, is a kind of improved a kind of hole forming method and mould of presetting in concrete of installing and fixing method of the fixing and fabricated construction member to template in the Construction of Civil Engineering process.
Background technology
In the work progress of civil engineering wall kind member, swollen mould, normally pre-buried Split bolt sleeve or embedding split bolt between two-layer template when preventing concreting; For fixed form, often pre-buried steel tie or reinforced steel bar ring on structural level; Also have plenty of direct pre-buried steel nut in the concrete component of the non-thin walls such as wall, post and beam, directly be screwed into bolt in the time of use and be used for the fixing of fixing of template and prefabricated units.The defective of pre-buried Split bolt sleeve is: because can only be used for bilateral to drawing, can't realize one-sided drawknot and fixing for the installation with the precast facade of thermal insulation separation thermosphere, and the later stage plugging material easily string is out; The defective of embedding split bolt is: need after the form removal split bolt that is exposed at concrete outside is cut off, the part bolt is stayed in the concrete component, and bolt can only disposablely use, and waste material, cost are high, and easily produce the corrosion point at this after the later stage shutoff.The defective of pre-buried steel tie or reinforced steel bar ring is on the structural level: steel tie or reinforced steel bar ring are exposed on the structural level, and constructor's inconvenient walking is easily tripped, and steel tie or reinforced steel bar ring can only disposablely use the waste material.The defective of direct pre-buried steel nut is in non-thin ancient piece of jade, round, flat and with a hole in its centre class concrete component: the disposable use of steel nut, waste material, cost is high, and easily produces the corrosion point at this after the later stage shutoff.
The way that presets the hole (being equivalent to the concrete nut, lower same) with internal thread in concrete by mould is not yet arranged at present, also in the thin wall concrete component, do not adopt the way that presets steel nut.
Adopting method of the present invention, is to preset hole with internal thread by mould in concrete, can effectively solve an above-mentioned difficult problem.
Summary of the invention
The object of the present invention is to provide a kind of hole forming method and mould of in concrete, presetting, solution has now in the work progress of civil engineering wall kind member, swollen mould when preventing concreting, normally pre-buried Split bolt sleeve or embedding split bolt between two-layer template, because can only be used for bilateral to drawing, can't realize one-sided drawknot and fixing for the installation with the precast facade of thermal insulation separation thermosphere, and the later stage plugging material easily string is out; Need after the embedding split bolt form removal split bolt that is exposed at the concrete outside is cut off, the part bolt is stayed in the concrete component; Split bolt can only disposablely use, and waste material, cost is high, and easily produces the problem of corrosion point after the later stage shutoff at this.
For fixed form, have now in the work progress of civil engineering wall kind member, often pre-buried steel tie or reinforced steel bar ring on structural level; Also have plenty of direct pre-buried steel nut in the concrete component of the non-thin walls such as wall, post and beam, directly be screwed into bolt in the time of use and be used for the fixing of fixing of template and prefabricated units.Pre-buried steel tie or reinforced steel bar ring are exposed on the structural level on the structural level, and constructor's inconvenient walking is easily tripped, and steel tie or reinforced steel bar ring can only disposablely use the waste material; The disposable use of direct pre-buried steel nut in non-thin ancient piece of jade, round, flat and with a hole in its centre class concrete component, waste material, cost is high, and easily produces the corrosion point at this after the later stage shutoff.
The present invention can preset hole with internal thread by mould in concrete component; The thin wall concrete component is directly imbedded the steel nut that is welded with anchor bar before its concreting; By the hole with internal thread that presets in the concrete component, with the drawknot bolt at it one-sided or bilateral implement the drawknot of template and prefabricated units and fixing;
A kind of forming method that in concrete, presets hole: a kind of moulding form that in concrete, presets hole,
A, before the concrete component concreting, preset plural screw bolt-type mould;
B, to the concrete component concreting, after concrete final set, the screw bolt-type mould is spun out, be formed on the perforation hole with internal thread of needed two-sided drawknot in the concrete component, or form the non-through hole hole with internal thread of single face drawknot;
C, for the thin wall concrete component, can adopt top method to implement, perhaps before concreting, directly imbed the steel nut that is welded with anchor bar;
A kind of moulding form that presets hole in concrete comprises:
The screw bolt-type mould has for the head and the screw portion composition that go deep into the perforation hole of internal thread need the bolt shape mould of length of back-out with the bolt shape mould of the perforation hole of internal thread, and the screw rod of its bolt shape mould has the standard type die bolt of the internal diameter, external diameter, pitch, transverse tooth thickness and the length dimension that are fit to the concrete component requirement of strength size of constructing; The non-standard die bolt of internal diameter, external diameter, pitch, transverse tooth thickness and the length dimension of the concrete component intensity of perhaps constructing institute calculative determination;
The screw thread of screw bolt-type mould be shaped as triangle or trapezoidal, but a number of screw thread is the bull bolt that helical pitch is large, be applicable to fast advance and retreat, or common single ended bolt.
The material of screw bolt-type mould is metal bar material or epoxide-resin glue rod, or metal and nonmetallic composite material one of them.
Beneficial effect of the present invention
(1) drawknot of template and fabricated construction member in the Construction of Civil Engineering process, fastening and fixing etc. can be screwed in the hole with internal thread that is preset in the concrete component with bolt and realize.
(2) because hole with internal thread, only just can be realized fastening, simple to operation in a side.
(3) for the member with the external-wall exterior insulation layer, because hole is not suitable for running through exterior wall, hole is more suitable for one-sided fastening with internal thread.
(4) in concrete, preset hole with internal thread, can utilize simple screw bolt-type mould, easy to prepare, and mould can repeatedly reuse, and saves material, but and reduce project cost.
(5) for the thin wall concrete component, take the scheme of direct-burried steel nut, can strengthen its resistance to tension, guarantee the safety of work progress.
(6) structural level and component surface are not reserved the projection of steel tie, do not hinder the constructor to walk, and are conducive to construction safety, and covering layer prevents that effectively the corrosion of steel part from exposing problem.
(7) non-thin wall member does not use steel nut, do not exist the steel part corrosion to expose impact problem attractive in appearance, can need not finish coat, also can do the clear-water concrete surface, can further reduce the engineering construction cost, the later stage shutoff of hole is because of female existence, Material Filling is not firm, and is easy to crack and go here and there out.
Description of drawings
Fig. 1 is the hole schematic diagram with internal thread that presets perforation in the concrete component.
Fig. 2 presets the hole schematic diagram with internal thread that does not connect in the concrete component.
Fig. 3 presets the steel nut schematic diagram in the thin wall members such as concrete slab.
Fig. 4 is for being used for presetting the mould schematic diagram with the internal thread hole in concrete component.
Figure number implication: 1. concrete component; 2. with the perforation hole of internal thread; 3. with the non-through hole hole of internal thread; 4. external-wall exterior insulation layer; 5. thin wall concrete component; 6. steel nut; 7. anchor bar; 8. internal diameter; 9. external diameter; 10. length; 11. pitch; 12. transverse tooth thickness; 13. the screw rod of screw bolt-type mould, 14. bolt shape moulds; 15. the head of bolt shape mould.
The specific embodiment
The present invention presets with the perforation hole 2 of internal thread or with the non-through hole hole 3 of internal thread by mould in concrete structure member; And in concrete structure member, preset with the employed mould of the hole of internal thread.
A kind of forming method that in concrete component 1, presets hole: at first before the concrete component concreting, preset plural screw bolt-type mould 13; To the concrete component concreting, after concrete final set, screw bolt-type mould 13 is spun out, be formed on the hole with the two-sided drawknot of the perforation hole 2 of internal thread that needs in the concrete component 1; Or form hole with the single face drawknot in the non-through hole hole 3 of internal thread, by the hole with internal thread that presets in the concrete component, with the drawknot bolt at it one-sided or bilateral implement the drawknot of template and prefabricated units and fixing.For the thin wall concrete component, can adopt top method to implement, also can before concreting, directly imbed the steel nut 6 that is welded with anchor bar 7; thin wall concrete component 5 is directly imbedded the steel nut 6 that is welded with anchor bar 7 before its concreting; and the hole with internal thread by presetting in the concrete component, with the drawknot bolt at it one-sided or bilateral implement the drawknot of template and precast unit and fixing.
A kind of moulding form that presets hole in concrete comprises: screw bolt-type mould 13 has for screw rod 14 parts that screw out with the head 15 of the bolt shape mould in the through hole of internal thread or non-through hole hole and the bolt shape mould that deeply needs length with perforation hole or the non-through hole of internal thread and forms, and the screw rod 14 of its bolt shape mould has the standard type die bolt of the internal diameter, external diameter, pitch, transverse tooth thickness and the length that are fit to the concrete component requirement of strength size of constructing; Or adopt construction concrete component intensity to calculate the non-standard die bolt of needed internal diameter, external diameter, pitch, transverse tooth thickness and length; Being shaped as of the screw thread of screw bolt-type mould 13 is triangle or trapezoidal, but a number of screw thread is the bull bolt that helical pitch is large, be applicable to fast advance and retreat, or common single ended bolt; The material of screw bolt-type mould can be metal bar material or epoxide-resin glue rod, or metal and nonmetallic composite material one of them.
Claims (4)
1. forming method that presets hole in concrete is characterized in that:
A, before concrete component (1) concreting, preset plural screw bolt-type mould (13);
B, to concrete component (1) concreting, after concrete final set, screw bolt-type mould (13) is spun out, be formed on the perforation hole (2) with internal thread of needed two-sided drawknot in the concrete component (1), or form the non-through hole hole (3) with internal thread of single face drawknot;
C, for thin wall concrete component (5), also can adopt top method to implement, also can before concreting, directly imbed the steel nut (6) that is welded with anchor bar (7).
2. moulding form that presets hole in concrete is characterized in that:
Screw bolt-type mould (13) has for screwing out with the head (15) of the bolt shape mould of the perforation hole (2) of internal thread and deeply need screw rod (14) part of the bolt shape mould of length to form with the perforation hole (2) of internal thread, and the screw rod of its bolt shape mould (14) has the standard type die bolt of internal diameter (8), external diameter (9), pitch (11), transverse tooth thickness (12) and the length (10) of suitable the concrete component of constructing (1) requirement of strength size; Or adopt construction concrete component (1) intensity to need the non-standard die bolt of internal diameter (8), external diameter (9), pitch (11), transverse tooth thickness (12) and the length (10) of calculative determination.
3. a kind of moulding form that in concrete, presets hole according to claim 2, it is characterized in that: the screw thread of screw bolt-type mould (13) be shaped as triangle or trapezoidal, a number of screw thread is the bull bolt that helical pitch is large, be applicable to fast advance and retreat, or common single ended bolt.
4. a kind of moulding form that presets hole in concrete according to claim 2 is characterized in that: the material of screw bolt-type mould (13) is metal bar material or epoxide-resin glue rod, or metal and nonmetallic composite material one of them.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104745029A CN102926541A (en) | 2012-11-21 | 2012-11-21 | Method and mould for molding prefabricated hole in concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104745029A CN102926541A (en) | 2012-11-21 | 2012-11-21 | Method and mould for molding prefabricated hole in concrete |
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| Publication Number | Publication Date |
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| CN102926541A true CN102926541A (en) | 2013-02-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN2012104745029A Pending CN102926541A (en) | 2012-11-21 | 2012-11-21 | Method and mould for molding prefabricated hole in concrete |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103963148A (en) * | 2014-05-07 | 2014-08-06 | 浙江省天和建材集团有限公司地铁管片分公司 | Core rod of blind threaded hole forming rod |
| CN106208908A (en) * | 2016-09-29 | 2016-12-07 | 天津汇源通科技股份有限公司 | Modularity plug-in type solar energy photovoltaic generator |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2628137A1 (en) * | 1988-03-03 | 1989-09-08 | Chatellerault Armes Cycles | Frame to secure ladder on floor - comprises rigid corner units with connected by lockable sleeves to form rectangular frame, telescopically extensible in two directions |
| JPH10121724A (en) * | 1996-10-18 | 1998-05-12 | Marui Sangyo Co Ltd | Molding tool for slab throgh hole for piping |
| WO1998057004A2 (en) * | 1997-06-09 | 1998-12-17 | Warren Taylor | Apparatus and method for anchoring and erecting concrete or similar materials |
| CN2525161Y (en) * | 2001-02-08 | 2002-12-11 | 周敬慈 | Lift well mould |
| CN201915506U (en) * | 2010-12-28 | 2011-08-03 | 中建三局第二建设工程有限责任公司 | Embedded fitting for railing bases |
| CN202007529U (en) * | 2011-02-28 | 2011-10-12 | 何志强 | Novel preformed hole construction fixture |
-
2012
- 2012-11-21 CN CN2012104745029A patent/CN102926541A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2628137A1 (en) * | 1988-03-03 | 1989-09-08 | Chatellerault Armes Cycles | Frame to secure ladder on floor - comprises rigid corner units with connected by lockable sleeves to form rectangular frame, telescopically extensible in two directions |
| JPH10121724A (en) * | 1996-10-18 | 1998-05-12 | Marui Sangyo Co Ltd | Molding tool for slab throgh hole for piping |
| WO1998057004A2 (en) * | 1997-06-09 | 1998-12-17 | Warren Taylor | Apparatus and method for anchoring and erecting concrete or similar materials |
| CN2525161Y (en) * | 2001-02-08 | 2002-12-11 | 周敬慈 | Lift well mould |
| CN201915506U (en) * | 2010-12-28 | 2011-08-03 | 中建三局第二建设工程有限责任公司 | Embedded fitting for railing bases |
| CN202007529U (en) * | 2011-02-28 | 2011-10-12 | 何志强 | Novel preformed hole construction fixture |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103963148A (en) * | 2014-05-07 | 2014-08-06 | 浙江省天和建材集团有限公司地铁管片分公司 | Core rod of blind threaded hole forming rod |
| CN106208908A (en) * | 2016-09-29 | 2016-12-07 | 天津汇源通科技股份有限公司 | Modularity plug-in type solar energy photovoltaic generator |
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Application publication date: 20130213 |