CN107053441A - The method and mounting structure of a kind of reserving hole in prefabricated concrete elements - Google Patents
The method and mounting structure of a kind of reserving hole in prefabricated concrete elements Download PDFInfo
- Publication number
- CN107053441A CN107053441A CN201710371628.6A CN201710371628A CN107053441A CN 107053441 A CN107053441 A CN 107053441A CN 201710371628 A CN201710371628 A CN 201710371628A CN 107053441 A CN107053441 A CN 107053441A
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- CN
- China
- Prior art keywords
- hole
- prefabricated concrete
- concrete elements
- iron core
- template
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/28—Cores; Mandrels
- B28B7/30—Cores; Mandrels adjustable, collapsible, or expanding
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Moulds, Cores, Or Mandrels (AREA)
Abstract
The method and mounting structure of a kind of reserving hole in prefabricated concrete elements, it is intended to position and the size for overcoming prefabricated concrete elements of the prior art accurately to reserve required hole in processing, reserving hole is caused not meet the shortcoming of design requirement, a kind of method of the reserving hole in prefabricated concrete elements is provided, comprised the following steps：A, in the template of prefabricated concrete elements open up through hole；B, on the outside of the template for having opened up through hole branch sleeve is fixedly mounted；C, making iron core, iron core are threaded hole at the small end face center in cross section；D, the uniform brushing mould oil outside iron core；E, by bolt branch sleeve is fixedly connected with iron core；F, the casting concrete into the template of prefabricated concrete elements；G, outwards extract iron core out, form reserving hole.A kind of mounting structure of the reserving hole in prefabricated concrete elements is also provided.The present invention improves the accuracy of reserving hole, is adapted to use during the reserving hole in prefabricated concrete elements.
Description
Technical field
The present invention relates to building industrialization field, more particularly to a kind of reserving hole in prefabricated concrete elements method and
Mounting structure.
Background technology
Because site operation needs, reserving hole is needed in prefabricated concrete elements.One iron core is arranged on pre- by conventional method
Box out the position in hole, complete after concreting, take out iron core formation hole.The position of hole needed for how accurately reserving
And size is the problem for needing to solve.Iron core accurately can not be fixed on ad-hoc location, process of vibrating by the method used at present
In, plunger position is shifted over, and the position and size for causing the reserving hole of prefabricated concrete elements do not meet design requirement, influence
Follow-up construction.
The content of the invention
Instant invention overcomes prefabricated concrete elements of the prior art required hole can not be accurately reserved in processing
Position and size, cause reserving hole not meet the shortcoming of design requirement and reserved there is provided one kind in prefabricated concrete elements
The method of hole, also provides a kind of mounting structure of the reserving hole in prefabricated concrete elements.
The present invention realizes that the technical scheme that the first goal of the invention is used is：A kind of reserving hole in prefabricated concrete elements
Method, comprises the following steps：
A, through hole, the center line of through hole and the center line weight of reserving hole are opened up in the template of described prefabricated concrete elements
Close；
B, on the outside of the template for having opened up through hole described in step A be fixedly mounted contain female branch sleeve, branch sleeve
Center line overlapped with the center line of through hole；
The iron core that C, one cross section of making become larger, iron core is threaded hole, iron core at the small end face center in cross section
Size it is corresponding with the size of reserving hole；
D, the uniform brushing mould oil outside the iron core described in step C；
E, by bolt the branch sleeve of the template described in step B is fixedly connected with the iron core described in step C；
F, the casting concrete into the template of prefabricated concrete elements；
After G, prefabricated concrete elements are machined, bolt is removed, iron core is outwards extracted out, the preformed hole of prefabricated concrete elements is formed
Hole.
Further, described prefabricated concrete elements are precast slab, described in step A in prefabricated concrete elements
The method that through hole is opened up in template is to open up through hole in the bottom template of precast slab.
Further, described prefabricated concrete elements are precast concrete stair, described in step A in prefabricated concrete elements
Template on to open up the method for through hole be to open up through hole respectively in the bottom template and upper cover mold plate of stair template, it is described
Screwed hole is respectively provided with two end face centers of iron core.
The present invention realizes that the technical scheme that the second goal of the invention is used is：A kind of reserving hole in prefabricated concrete elements
Mounting structure, includes the template and iron core of prefabricated concrete elements, and iron core is the structure that cross section becomes larger, the size of iron core with
The size of reserving hole is corresponding, and described iron core is provided with screwed hole, prefabricated concrete elements at the small end face center in cross section
Template be provided with through hole, the center line of through hole is overlapped with the center line of reserving hole, in the described template for having opened up through hole
Outside, which is provided with, contains female branch sleeve, and the center line of branch sleeve is overlapped with the center line of through hole, the adapter sleeve of template
Cylinder and iron core are bolted to connection.
Further, described prefabricated concrete elements are precast slab, and described through hole is opened in precast concrete
In the bottom template of plate.
Further, described prefabricated concrete elements are precast concrete stair, and described through hole is opened in stair template
Bottom template and upper cover mold plate on, be respectively provided with screwed hole at two end face centers of described iron core.
The beneficial effects of the invention are as follows：Iron core is fixed in template by the present invention by bolt, fixation.Meanwhile, mould
The center line of through hole is overlapped with the center line of reserving hole on plate, it is ensured that the accuracy of the installation site of iron core, is improved pre-
Box out the accuracy in hole.
The invention will be further described with embodiment below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is the mounting structure schematic diagram of the precast slab reserving hole of the present invention.
Fig. 2 is the mounting structure schematic diagram of the precast concrete stair reserving hole of the present invention.
In accompanying drawing, 1 is that the bottom template of precast slab, 1-1 are through hole, 2 are concrete, 3 are that iron core, 3-1 are spiral shell
Pit, 3-2 are handle, 4 are branch sleeve, 5 are bolt, 6 are that the bottom template of stair template, 6-1 are through hole, 7 are stair mould
Upper cover mold plate, the 7-2 of plate are through hole.
Embodiment
A kind of method of reserving hole in prefabricated concrete elements of the present embodiment, comprises the following steps：
A, through hole, the center line of through hole and the center line weight of reserving hole are opened up in the template of described prefabricated concrete elements
Close.
B, on the outside of the template for having opened up through hole described in step A be fixedly mounted contain female branch sleeve, generally
Branch sleeve is fixed on the outside of template by the way of welding, branch sleeve is covered on through hole, the size of branch sleeve with
Through hole is corresponding, and the center line of branch sleeve is overlapped with the center line of through hole, can be used as branch sleeve with nut at the construction field (site)；
The iron core that C, one cross section of making become larger, iron core is threaded hole, iron core at the small end face center in cross section
Size it is corresponding with the size of reserving hole.When described prefabricated concrete elements are precast concrete stair, the two of iron core
Screwed hole is respectively provided with individual end face center；
D, the uniform brushing mould oil outside the iron core described in step C；
E, by bolt the branch sleeve of the template described in step B is fixedly connected with the iron core described in step C.When described pre-
When concrete element processed is precast concrete stair, by two bolts by the bottom template of iron core and stair template, upper cover mold plate
Threaded connection；
F, the casting concrete into the template of prefabricated concrete elements；
After G, prefabricated concrete elements are machined, bolt is removed, iron core is outwards extracted out, the preformed hole of prefabricated concrete elements is formed
Hole.
When described prefabricated concrete elements are precast slab, open up logical in the bottom template of precast slab
Branch sleeve is worn in hole, bolt rotation, and the through hole through template is screwed in iron core, iron core and template formation overall structure.
When described prefabricated concrete elements are precast concrete stair, in the bottom template and upper cover mold plate of stair template
Upper to open up through hole respectively, each through hole is externally provided with corresponding branch sleeve, and two bolts revolve wear branch sleeve respectively, through template
Through hole is screwed in iron core, iron core and template formation overall structure.
A kind of mounting structure of reserving hole in prefabricated concrete elements of the present embodiment, includes the mould of prefabricated concrete elements
Plate and iron core 3.Iron core 3 is the structure that cross section becomes larger, and the size of iron core 3 is corresponding with the size of reserving hole.It is described
Iron core 3 at the small end face center in cross section be provided with screwed hole 3-1.The template of prefabricated concrete elements is provided with through hole, through hole
Center line overlapped with the center line of reserving hole.As shown in Figure 1, described prefabricated concrete elements are precast slab,
Described through hole 1-1 is opened in the bottom template 1 of precast slab.As shown in Figure 2, described prefabricated concrete elements are
Precast concrete stair, described through hole 6-1 and 7-1 is opened in the bottom template 6 of stair template and upper cover mold plate 7, described
Iron core 3 two end face centers at be respectively provided with screwed hole 3-1.It is provided with the outside of the described template for having opened up through hole containing interior
Branch sleeve 4, is generally fixed on the outside of template, branch sleeve 4 is covered in logical by the branch sleeve 4 of screw thread by the way of welding
Kong Shang, the size of branch sleeve 4 is corresponding with through hole, and the center line of branch sleeve 4 is overlapped with the center line of through hole, existing in construction
Field can be used as branch sleeve 4 with nut.The branch sleeve 4 of template is fixedly connected with iron core 3 by bolt 5.
During actual installation, when described prefabricated concrete elements are precast slab, as shown in Figure 1, first pre-
Through hole 1-1 is opened up in the bottom template 1 of concrete slab processed, through hole 1-1 center line is overlapped with the center line of reserving hole；Connect
, sleeve 4,1-1 pairs of set location and the through hole of branch sleeve 4 are welded to connect in the outside of bottom template 1 of precast slab
Should；Then, the iron core 3 for having brushed mould oil is put, makes the screwed hole 3-1 of iron core 3 corresponding with through hole 1-1；Finally, by bolt
Branch sleeve 4 is worn in 5 rotations, and the through hole 1-1 of the bottom template 1 through precast slab is screwed in iron core 3, iron core 3 and concrete
The formation overall structure of bottom template 1 of native plate.Iron core 3 is accurately fixed in the bottom template 1 of precast slab.Iron core 3
After removal, the reserving hole of prefabricated concrete elements is formed.Iron core 3 is removed for convenience, and the preferred iron core 3 of the present embodiment is transversal
The big end face in face is provided with handle 3-2.The hand-holdable handle 3-2 of workmen extracts iron core 3.
During actual installation, when described prefabricated concrete elements are precast concrete stair, as shown in Figure 2, first,
Open up through hole 6-1 and 7-1 in the bottom template 6 of stair template and upper cover mold plate 7 respectively, through hole 6-1 and 7-1 center line with it is pre-
Box out hole center line overlap；Then, adapter sleeve is respectively welded in the bottom template 6 of stair template and the outside of upper cover mold plate 7
Cylinder 4, the set location of branch sleeve 4 is corresponding with through hole 6-1,7-1；Then, the iron core 3 for having brushed mould oil is put, makes iron
The screwed hole 3-1 at the two ends of core 3 is corresponding with through hole 6-1,7-1 respectively；Finally, two bolts 5 are revolved respectively and wears branch sleeve 4, passed through
Through hole 6-1,7-1 of the bottom template 6 of stair template and upper cover mold plate 7 are screwed in iron core 3, the bottom of iron core 3 and stair template
Template 6 and upper cover mold plate 7 formation overall structure.Iron core 3 is accurately fixed on the bottom template 6 and upper cover mold plate 7 of stair template
On.After iron core 3 is removed, the reserving hole of prefabricated concrete elements is formed.
Claims (6)
1. a kind of method of the reserving hole in prefabricated concrete elements, it is characterised in that comprise the following steps：
A, through hole, the center line of through hole and the center line weight of reserving hole are opened up in the template of described prefabricated concrete elements
Close；
B, on the outside of the template for having opened up through hole described in step A be fixedly mounted contain female branch sleeve, branch sleeve
Center line overlapped with the center line of through hole；
The iron core that C, one cross section of making become larger, iron core is threaded hole, iron core at the small end face center in cross section
Size it is corresponding with the size of reserving hole；
D, the uniform brushing mould oil outside the iron core described in step C；
E, by bolt the branch sleeve of the template described in step B is fixedly connected with the iron core described in step C；
F, the casting concrete into the template of prefabricated concrete elements；
After G, prefabricated concrete elements are machined, bolt is removed, iron core is outwards extracted out, the preformed hole of prefabricated concrete elements is formed
Hole.
2. the method for a kind of reserving hole in prefabricated concrete elements according to claim 1, it is characterised in that described
Prefabricated concrete elements are precast slab, and the method that through hole is opened up in the template of prefabricated concrete elements described in step A is,
Through hole is opened up in the bottom template of precast slab.
3. the method for a kind of reserving hole in prefabricated concrete elements according to claim 1, it is characterised in that described
Prefabricated concrete elements are precast concrete stair, the method that through hole is opened up in the template of prefabricated concrete elements described in step A
For, open up through hole respectively in the bottom template and upper cover mold plate of stair template, it is equal at two end face centers of described iron core
It is threaded hole.
4. a kind of mounting structure of the reserving hole in prefabricated concrete elements, includes the template and iron core of prefabricated concrete elements, iron
Core is the structure that cross section becomes larger, and the size of iron core is corresponding with the size of reserving hole, it is characterised in that described iron
Core（3）Screwed hole is provided with the small end face center in cross section（3-1）, the template of prefabricated concrete elements is provided with through hole, through hole
Center line overlapped with the center line of reserving hole, on the outside of the described template for having opened up through hole be provided with contain female company
Female connector cylinder（4）, branch sleeve（4）Center line overlapped with the center line of through hole, the branch sleeve of template（4）And iron core（3）It is logical
Cross bolt（5）It is fixedly connected.
5. a kind of mounting structure of reserving hole in prefabricated concrete elements according to claim 4, it is characterised in that institute
The prefabricated concrete elements stated are precast slab, described through hole（1-1）It is opened in the bottom template of precast slab（1）
On.
6. a kind of mounting structure of reserving hole in prefabricated concrete elements according to claim 4, it is characterised in that institute
The prefabricated concrete elements stated are precast concrete stair, described through hole（6-1）、（7-1）It is opened in the bottom mould of stair template
Plate（6）With upper cover mold plate（7）On, described iron core（3）Two end face centers at be respectively provided with screwed hole（3-1）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710371628.6A CN107053441A (en) | 2017-05-24 | 2017-05-24 | The method and mounting structure of a kind of reserving hole in prefabricated concrete elements |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710371628.6A CN107053441A (en) | 2017-05-24 | 2017-05-24 | The method and mounting structure of a kind of reserving hole in prefabricated concrete elements |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107053441A true CN107053441A (en) | 2017-08-18 |
Family
ID=59611007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710371628.6A Withdrawn CN107053441A (en) | 2017-05-24 | 2017-05-24 | The method and mounting structure of a kind of reserving hole in prefabricated concrete elements |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107053441A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114012874A (en) * | 2021-12-02 | 2022-02-08 | 中国十七冶集团有限公司 | Prefabricated distribution box concrete lintel steel die, assembly structure and construction method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2289926A (en) * | 1994-05-17 | 1995-12-06 | Abbot Fixing Systems Ltd | Fixing socket |
| CN201574583U (en) * | 2009-12-30 | 2010-09-08 | 山东万鑫建设有限公司 | Simple pipe hole preformed mould |
| CN201588403U (en) * | 2009-10-28 | 2010-09-22 | 上海宝冶建设有限公司 | Core mould used for concrete pore construction |
| CN206765041U (en) * | 2017-05-24 | 2017-12-19 | 深圳市鹏城建筑集团有限公司 | A kind of mounting structure of the reserving hole in prefabricated concrete elements |
-
2017
- 2017-05-24 CN CN201710371628.6A patent/CN107053441A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2289926A (en) * | 1994-05-17 | 1995-12-06 | Abbot Fixing Systems Ltd | Fixing socket |
| CN201588403U (en) * | 2009-10-28 | 2010-09-22 | 上海宝冶建设有限公司 | Core mould used for concrete pore construction |
| CN201574583U (en) * | 2009-12-30 | 2010-09-08 | 山东万鑫建设有限公司 | Simple pipe hole preformed mould |
| CN206765041U (en) * | 2017-05-24 | 2017-12-19 | 深圳市鹏城建筑集团有限公司 | A kind of mounting structure of the reserving hole in prefabricated concrete elements |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114012874A (en) * | 2021-12-02 | 2022-02-08 | 中国十七冶集团有限公司 | Prefabricated distribution box concrete lintel steel die, assembly structure and construction method |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170818 |
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| WW01 | Invention patent application withdrawn after publication |