CN209686908U - A kind of cast-in-situ floor reserved opening protective device - Google Patents
A kind of cast-in-situ floor reserved opening protective device Download PDFInfo
- Publication number
- CN209686908U CN209686908U CN201920031031.1U CN201920031031U CN209686908U CN 209686908 U CN209686908 U CN 209686908U CN 201920031031 U CN201920031031 U CN 201920031031U CN 209686908 U CN209686908 U CN 209686908U
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- China
- Prior art keywords
- floor
- cast
- reserved opening
- service sleeve
- hole
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Abstract
A kind of cast-in-situ floor reserved opening protective device includes floor hole, service sleeve, support rod, support protective net and protective cover plate；It is uniformly pre-buried in the floor slab preformed hole opening's edge surrounding floor to be provided with service sleeve；Support rod is coupled in the service sleeve, service sleeve is stretched out in one end of support rod；The support protective net is fixedly mounted along floor hole and is erected on support rod；Setting is fixedly mounted on support protective net in protective cover plate covering floor hole.Beneficial effect is: installation procedure is easy, saves material and labour cost, and economic benefit is obvious, keeps construction more convenient；The protection of cast-in-situ floor reserved opening suitable for housing construction, while solving the problems, such as that protective cover plate is without secure support point when reserved opening is close to shear wall.
Description
Technical field
The utility model is specifically related to a kind of cast-in-situ floor reserved opening construction of prevention work structure.
Background technique
As China's skyscraper increases year by year, the protection of the holes such as horizontal preserved pipeline well, ventilation shaft is asked in work progress
Topic becomes increasingly conspicuous, in building construction process, when reserved opening faces when having both sides or three close to shear wall, since cover board lacks
Few reliable fulcrum, is not available cover board and directly makees covered protection.By traditional method, can be set up on horizontal reserved opening periphery anti-
Guard rail rod, formed safeguard procedures, such method relatively take material take a lot of work be not easy to be formed tool operate, and guard rail by
In being higher by floor face, a degree of interference, another protection side are caused to the binding of next story shear wall reinforcing bar and formwork erection
Method is that the protection of reserved opening can only can just be used after the dismounting of next story shear wall form on the shear wall of hole horizontal position
Expansion bolt, the materials such as fixed angle steel, artificial setting cover board fulcrum, so that cover board is convenient for fixation, but this is arranged in electric hammer perforating
Sample cannot eliminate the security risk time existing for reserved opening within a certain period of time, cause to subsequent operation process dangerous hidden
Suffer from.
Summary of the invention
Purpose of the utility model is to solve face cast-in-situ floor reserved opening of the side by shear wall can not directly cover
The problem of lid protection causes construction of prevention work inconvenient, retains security risk provides a kind of safe and reliable cast-in-situ floor reserved opening
Protective device.
To achieve the goals above, technical solution used by the utility model is the surrounding building at floor slab preformed hole mouth
Service sleeve is set in plate, after concrete floor slab placement, support rod is installed in service sleeve, is reaching floor slab preformed hole mouth
Then installation support protective net on support rod installs the protective cover plate concordant with floor in support protective net.
The utility model cast-in-situ floor reserved opening protective device, includes floor hole, service sleeve, support rod, branch
Support protective net and protective cover plate；The floor hole is uniformly pre-buried along surrounding floor to be provided with service sleeve；The pre-buried set
Support rod is coupled in pipe, service sleeve is stretched out in one end of support rod；The support protective net is fixedly mounted along floor hole
It is erected on support rod；Setting is fixedly mounted on support protective net in protective cover plate covering floor hole.
The service sleeve is horizontally set on the upper surface of lower layer's reinforced mesh of floor, the interior side elevation with floor hole
It is vertically arranged, inner end nozzle is blocked using plug, and outer end nozzle is concordant with the bead at floor hole and is blocked with adhesive tape.
Lower layer's reinforced mesh binding and fixing of the service sleeve and floor.
Two service sleeve spacing of floor hole the same side are not more than 300mm.
The diameter of the support rod is less than the diameter of service sleeve, and length is greater than the length of service sleeve.
The support rod stretches out service sleeve at least 80mm.
The support protective net is frame structure, and each edge length of outline border is less than each edge length 20mm in floor hole.
Brushing antirust paint in the framework of the support protective net.
The shape size of the protective cover plate matches setting according to the shape size at floor hole.
The surface of the protective cover plate warns color with yellow dirty oil paint brushing strip, and fixation hole is arranged.
The utility model has the beneficial effects that: installation procedure is easy, manual operations when installation is not needed using electricity
The ancillary equipments such as power driven tools reduce noise pollution；Compared with traditional defense method, material and labour cost, economic benefit are saved
Obviously；It protects to form tool operation convenient for hole, can be installed in place to form protection in the short time；The installation of reinforcing bar protection screen sheet
After good, it is lower than cast-in-situ floor horizontal plane, when molding the shear wall on reserved opening side, it is tight that formwork root can be adjacent to the molding of concrete face
It is close, and without the barrier for being higher by cast-in-situ floor face, convenient for construction；The cast-in-situ floor reserved opening suitable for housing construction
Protection, while solving the problems, such as that protective cover plate is without secure support point when reserved opening is close to shear wall.
Detailed description of the invention
Attached drawing 1 is not protect reserved opening floor map；
Attached drawing 2 is the reserved opening floor map of installation protection；
Attached drawing 3 is the ballistic support mounting plane structural schematic diagram of the utility model；
Attached drawing 4 is that the ballistic support of the utility model installs the schematic diagram of the section structure；
Attached drawing 5 is the service sleeve planar structure layout diagram of the utility model；
Attached drawing 6 is the service sleeve cross-section structure layout diagram of the utility model；
Attached drawing 7 is the protecting screen structure schematic diagram of the utility model；
In attached drawing: floor hole 1, floor 11, lower layer's reinforced mesh 12, top bars mesh sheet 13, shear wall 14, pre-buried set
Pipe 2, support rod 3, support protective net 4, protective cover plate 5.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, below by the technology to the utility model
Scheme is described in detail in conjunction with the embodiments.
As shown in attached drawing 2-7, the utility model cast-in-situ floor reserved opening protective device, includes floor hole 1, pre-buried
Casing 2, support rod 3, support protective net 4 and protective cover plate 5；The floor hole 1 uniform pre-buried setting along surrounding floor 11
There is service sleeve 2；Support rod 3 is coupled in the service sleeve 2, service sleeve 2 is stretched out in one end of support rod 3；The branch
Support protective net 4 is fixedly mounted along floor hole 1 and is erected on support rod 3；The protective cover plate 5 covers the fixed peace in floor hole 1
Installing is set on support protective net 4.
The service sleeve 2 is horizontally set on the upper surface of lower layer's reinforced mesh 12 of floor 11, in floor hole 1
Edge-on face die plate is vertically arranged, and inner end nozzle is blocked using plug, and outer end nozzle is concordant with the bead at floor hole 1 and uses adhesive tape
Paper blocks.
12 binding and fixing of lower layer's reinforced mesh of the service sleeve 2 and floor 11.
Two 2 spacing of service sleeve of described 1 the same side of floor hole are not more than 300mm.
The diameter of the support rod 3 is less than the diameter of service sleeve 2, and length is greater than the length of service sleeve 2.
The support rod 3 stretches out at least 80mm of service sleeve 2.
The support protective net 4 is frame structure, and each edge length of outline border is less than each edge length 20mm in floor hole 1.
Brushing antirust paint in the framework of the support protective net 4.
The shape size of the protective cover plate 5 matches setting according to the shape size at floor hole 1.
The surface of the protective cover plate 5 warns color with yellow dirty oil paint brushing strip, and fixation hole is arranged.
Embodiment 2
The floor slab preformed hole mouth of shear wall is abutted for two sides as shown in Fig. 1, such cast-in-situ floor reserved opening is by two sides
Shear wall influence can not form effective supporting point, and traditional defense method is directly covered using protective cover plate, shape in the case of no support
At security risk, the problem that guard rail causes construction space limited is installed.Using the utility model cast-in-situ floor reserved opening
Protective device presets service sleeve 2 at the forward position floor hole 1 of concrete floor slab placement, can by service sleeve 2 after pouring
It is mounted directly setting support rod 3, forms effective supporting point along floor hole 1, is then to rely on setting floor hole with support rod 3
Support protective net 4 on mouth 1 is finally fixedly mounted protective cover plate 5 on support protective net 4, obtains floor hole 1 completely
Reliable security protection.
The utility model cast-in-situ floor reserved opening protective device is completed by following construction technology.
A kind of cast-in-situ floor reserved opening protective device construction technology successively includes preparing service sleeve, preparation support
Bar, production support protective net prepare protective cover plate, lay service sleeve, concrete placings, opening mould plate dismounting, installation reserved opening
Support rod, installation support protective net, installation protective cover plate and dismounting protection, Specific construction step:
A. it prepares service sleeve: preparing the casing being embedded in floor, one end nozzle according to the reserved opening of cast-in-situ floor
It is blocked using plug, other end nozzle is blocked with adhesive tape.For example, outer diameter Ф 20PVC is selected to make pre-buried set with conductivity cell
Pipe, is cut into 200mm long using toothless saw.
B. it prepares support rod: the support being inserted into service sleeve is prepared according to the length of service sleeve and internal diameter
Bar, it is ensured that support pole length can be reached partially outside service sleeve.For example, selecting and outer diameter Ф 20PVC distribution tubes fit
The twisted steel of the Ф 14 of inserting, is cut off with 280mm length with cutting machine, reinforcing bar cutting section sanding machine polishing section end side
Angle is used as support rod.
C. production supports protective net: can be put into hole to be provided according to the production of the size of the reserved opening of cast-in-situ floor
The support protective net of mouth.For example, selecting 12 reinforcing bar of Ф is raw material, made according to the size dimension of 20mm smaller than hole size dimension
Protective net outline border, frame is interior to use 12 reinforcing bar transverse weld of Ф, the little 100mm of spacing, twice of brushing antirust paint after completing.
E. it prepares protective cover plate: reserved opening can be put into according to the production of the size of the reserved opening of cast-in-situ floor
Protective cover plate, cover sheet thickness is arranged according to protective net to cast-in-situ floor surface layer height, and lid surface applies swipe with yellow dirty oil paint
Shape warns color, and fixation hole is arranged.Protection is made with the side length less than reserved opening size 20mm for example, by using waste and old wood glue plate
Cover board, the every side of protective cover plate are not more than 500mm with spacing, beat Ф 6mm fixation hole with electric drill.
F. lay service sleeve: the template of cast-in-situ floor reserved opening, which is set up, to be finished, after the completion of the binding of floor bar mesh sheet,
On four peripheries of reserved opening, along the upper surface of floor lower layer reinforced mesh, horizontal fix lays service sleeve, every one side respectively
Service sleeve and interior side elevation template degree in a vertical angle be arranged, by the nozzle blocked with adhesive tape along the alignment of reserved opening edge
Setting marks service sleeve position in template.Every side is not more than by first service sleeve of two sides arrangement away from hole inner corner trim
100mm, two adjacent pre-buried tube spacing are not more than 300mm.When the unilateral length of reserved opening is greater than 500mm, adjacent two
Root covers tube spacing and increases service sleeve quantity with the multiple no more than 300mm.When reserved opening side length is less than 300mm, control
Distance of the casing away from inner corner trim is not more than 100mm, and guarantees that intermediate casing spacing is 1.5-2 times away from inner corner trim distance, service sleeve
It protrudes into structure one end to block using dedicated plug, the other end is blocked with adhesive tape and held out against with template, mortar when preventing concrete placings
Into in pipe.Service sleeve is no less than three with binding silk and lower layer's reinforced mesh binding and fixing, prevents built-in pipe in concrete placings
It shifts in the process.If lower floor plate muscle spacing is larger, be unable to satisfy three binding when, piece 6 bar dowel of φ of Ying Zengjia, make its with
Reinforced mesh binding point no less than three.
G. concrete placings: during concrete placings, special messenger should be set and nurse service sleeve, prevent from shifting and trampling deformation.
H. opening mould plate is removed: after the completion of concrete placings, concrete strength removes side elevation in reserved opening after reaching 2.5Mpa
Template, when removing side elevation template in hole, must not remove bed die under hole (should be arranged below hole anti-when hole is without bed die
Shield measure), to guarantee demoulding and subsequent job personnel safety.
I., reserved opening support rod is installed: being removed in reserved opening after side elevation template, is found by ready-made label pre-buried
Casing end, nozzle adhesive tape of tearing block, and the support rod prepared is inserted into service sleeve, and fixed, and extension is allocated as
For the supporting point for supporting protective net.The 14 twisted steel support rod of Ф made is inserted into Ф 20PVC service sleeve in implementation,
It is fixed using nose key insertion support rod with service sleeve gap site, connects the support rod surface of insertion closely with service sleeve
Touching, support rod stretch out service sleeve at least 80mm, as support protective net supporting point.
J. installation supports protective net: the support protective net of production is placed on the support rod that surrounding is stretched out on the inside of reserved opening
On, protective net and support rod binding and fixing will be supported to be no less than at two with binding silk, prevents support protective net and support rod from occurring
Displacement.Support protective net installation rear surface that should be not less than 40mm lower than floor face, a construction layer shears the foot of a wall under the influence of being allowed to not
The molding of portion's template.
K., protective cover plate is installed: the protective cover plate made is installed in reserved opening, is covered on support protective net,
And fixation is tied up by fixation hole and support protective net.
L. remove protection: hole protective equipment is forbidden to remove during use, finishes to building enclosure construction around hole,
Successively remove protective cover plate, support protective net and support rod.
Claims (10)
1. a kind of cast-in-situ floor reserved opening protective device, it is characterised in that: include floor hole (1), service sleeve (2),
Support rod (3), support protective net (4) and protective cover plate (5)；The floor hole (1) is uniformly pre-buried along surrounding floor (11)
It is provided with service sleeve (2)；It is coupled support rod (3) in the service sleeve (2), one end of support rod (3) is stretched out pre-buried
Casing (2)；The support protective net (4) is fixedly mounted along floor hole (1) and is erected on support rod (3)；The protective cover plate
(5) setting is fixedly mounted in support protective net (4) in covering floor hole (1).
2. cast-in-situ floor reserved opening protective device as described in claim 1, it is characterised in that: service sleeve (2) water
The upper surface of lower layer reinforced mesh (12) of the flat setting in floor (11), is vertically arranged with the interior side elevation of floor hole (1), interior
End pipe mouth is blocked using plug, and outer end nozzle is concordant with the bead of floor hole (1) and is blocked with adhesive tape.
3. cast-in-situ floor reserved opening protective device as described in claim 1, it is characterised in that: the service sleeve (2) with
Lower layer's reinforced mesh (12) binding and fixing of floor (11).
4. cast-in-situ floor reserved opening protective device as described in claim 1, it is characterised in that: floor hole (1) the same side
Two service sleeve (2) spacing be not more than 300mm.
5. cast-in-situ floor reserved opening protective device as described in claim 1, it is characterised in that: the support rod (3) it is straight
Diameter is less than the diameter of service sleeve (2), and length is greater than the length of service sleeve (2).
6. cast-in-situ floor reserved opening protective device as described in claim 1, it is characterised in that: the support rod (3) is stretched out
Service sleeve (2) at least 80mm.
7. cast-in-situ floor reserved opening protective device as described in claim 1, it is characterised in that: the support protective net (4)
For frame structure, each edge length of outline border is less than floor hole (1) each edge length 20mm.
8. cast-in-situ floor reserved opening protective device as described in claim 1, it is characterised in that: the support protective net (4)
Framework on brushing antirust paint.
9. cast-in-situ floor reserved opening protective device as described in claim 1, it is characterised in that: the protective cover plate (5)
Shape size matches setting according to the shape size of floor hole (1).
10. cast-in-situ floor reserved opening protective device as described in claim 1, it is characterised in that: the protective cover plate (5)
Surface warns color with yellow dirty oil paint brushing strip, and fixation hole is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920031031.1U CN209686908U (en) | 2019-01-09 | 2019-01-09 | A kind of cast-in-situ floor reserved opening protective device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920031031.1U CN209686908U (en) | 2019-01-09 | 2019-01-09 | A kind of cast-in-situ floor reserved opening protective device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209686908U true CN209686908U (en) | 2019-11-26 |
Family
ID=68598606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920031031.1U Expired - Fee Related CN209686908U (en) | 2019-01-09 | 2019-01-09 | A kind of cast-in-situ floor reserved opening protective device |
Country Status (1)
| Country | Link |
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| CN (1) | CN209686908U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109518984A (en) * | 2019-01-09 | 2019-03-26 | 宁夏第建筑有限公司 | A kind of cast-in-situ floor reserved opening protective device and construction technology |
-
2019
- 2019-01-09 CN CN201920031031.1U patent/CN209686908U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109518984A (en) * | 2019-01-09 | 2019-03-26 | 宁夏第建筑有限公司 | A kind of cast-in-situ floor reserved opening protective device and construction technology |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191126 Termination date: 20220109 |