CN207538506U - The independent supporting rack of efficient construction of precast floorslab - Google Patents

The independent supporting rack of efficient construction of precast floorslab Download PDF

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Publication number
CN207538506U
CN207538506U CN201721402922.0U CN201721402922U CN207538506U CN 207538506 U CN207538506 U CN 207538506U CN 201721402922 U CN201721402922 U CN 201721402922U CN 207538506 U CN207538506 U CN 207538506U
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China
Prior art keywords
upright bar
pright stanchion
supporting rack
pin
adjusting bolt
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CN201721402922.0U
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Chinese (zh)
Inventor
许龙迪
王振兴
王卫新
刘毅夫
孙磊
魏燕
彭景祥
张皞
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BEIJING URBAN CONSTRUCTION NORTH CONSTRUCTION Co Ltd
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BEIJING URBAN CONSTRUCTION NORTH CONSTRUCTION Co Ltd
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Abstract

The utility model discloses a kind of independent supporting racks of efficient construction of precast floorslab.The independent supporting rack includes:Tripod, lower upright bar, upper pright stanchion, Adjusting bolt Adjusting screw and jacking, the tripod is umbrella-shaped structure, it is threaded through the lower part of the lower upright bar, the upper pright stanchion is inserted into lower upright bar and forms sleeve structure, pin hole is offered on the upper pright stanchion, the top of the lower upright bar offers pin strip hole, and there is the external screw thread for being adapted to and being spirally connected with Adjusting bolt Adjusting screw, first pin is passed through from the strip hole of lower upright bar and the pin hole of upper pright stanchion, and using Adjusting bolt Adjusting screw fix it is stuck, can by Adjusting bolt Adjusting screw rotation adjustment upper pright stanchion, lower upright bar entire length;The jacking is fixed at the top of upper pright stanchion, for placing main joist.The independent supporting rack simplifies the technique of supporting rack, improves construction efficiency.

Description

The independent supporting rack of efficient construction of precast floorslab
Technical field
The utility model is related to the realm of building construction, more particularly to a kind of independent supporting rack of efficient construction of precast floorslab.
Background technology
The construction technology of traditional precast floor slab is:Set up support scaffolding → put in caving support → jacking at the top of supporting rack Put and secondary joist be laid on main joist → main joist, primary and secondary skeletal frame formed it is netted → on secondary joist be laid with form surfacing → binding building Slab muscle → casting concrete.
I.e. traditional technology relies primarily on manually, time-consuming and laborious.Supporting rack and template system constructing operation are cumbersome, pacify installation and dismantling Except the technique for needing repeat twice, only process sequence is opposite.On the other hand, floor bar needs whole scenes to tie up It pricks, artificial amount is very huge.While today's society, cost of labor rapid increase, Construction Cost is seriously increased.And Manually binding construction quality is not easy to ensure at scene, more relies on construction personnel's quality.Traditional handicraft working procedure very complicated, compared with It is time-consuming, seriously affects construction speed.In addition, traditional handicraft needs a large amount of progress cast-in-place concrete operation, working as For under the serious background of haze, detrimental effect is played for green construction.
In addition, prior art formwork-support system technique is cumbersome.Because of all poured in place concretes of upper strata floor, institute More stringent with frame body requirement, scaffold upright rod spacing is short, and cross bar need to will be arranged between upright bar, makes entire frame body formation one whole Body meets stability requirement.Further, since poured in place concrete all is used, so must have template above primary and secondary skeletal frame, Because concrete has mobility before solidification.Traditional total sub-semigroup.
The information for being disclosed in the background technology part is merely intended to increase the understanding to the general background of the utility model, and It is not construed as recognizing or implies that information composition has been existing well known to persons skilled in the art in any form Technology.
Utility model content
The purpose of this utility model is to provide a kind of independences of the simple and reasonable efficient construction of precast floorslab of step Supporting rack, the independent supporting rack simplify the technique of supporting rack, improve construction efficiency.
To achieve the above object, the utility model provides a kind of independent supporting rack of efficient construction of precast floorslab, independent Supporting rack includes:Tripod, lower upright bar, upper pright stanchion, Adjusting bolt Adjusting screw and jacking, the tripod are umbrella-shaped structure, are threaded through institute The lower part of lower upright bar is stated, the upper pright stanchion is inserted into lower upright bar and forms sleeve structure, pin hole is offered on the upper pright stanchion, institute The top for stating lower upright bar offers pin strip hole, and with being adapted to the external screw thread that is spirally connected with Adjusting bolt Adjusting screw, by the first pin from The strip hole of lower upright bar and the pin hole of upper pright stanchion pass through, and stuck using Adjusting bolt Adjusting screw fixation, can pass through Adjusting bolt Adjusting screw Rotation adjustment upper pright stanchion, the entire length of lower upright bar;The jacking is fixed at the top of upper pright stanchion, for placing main dragon Bone.
Preferably, in above-mentioned technical proposal, tripod includes:Casing, otic placode, supporting leg and connecting plate, described sleeve pipe two It is a, the lower part of lower upright bar is threaded through by the second pin interval, the otic placode is fixed on the side of two casings, the supporting leg Upper end and the otic placode of upper square casing are hinged;One end of the connecting plate and the otic placode of lower square casing are hinged, the connecting plate it is another One end and the lower end of supporting leg are hinged.
Compared with prior art, the utility model has the advantages that:The construction method of the efficient precast floor slab is adopted The prefabricated concrete for pouring a build floor part after carrying out reinforcing bar binding with factory, after steam curing reaches design strength, transport is extremely The concrete of build floor remainder is poured in construction site, can omit the secondary joist and form surfacing of traditional technology, this is independently propped up Support simplifies the technique of supporting rack, improves construction efficiency.
Description of the drawings
Fig. 1 is the structure diagram of the independent supporting rack of the efficient construction of precast floorslab of the utility model.
Fig. 2 is the structure diagram of the hoisting beam of the efficient construction of precast floorslab of the utility model.
Fig. 3 is the structure diagram of the hoisting beam use state of the efficient construction of precast floorslab of the utility model.
Fig. 4 is the structure diagram for hanging membrane module use state of the efficient construction of precast floorslab of the utility model.
Fig. 5 is the structure diagram of the independent support use state of the efficient construction of precast floorslab of the utility model.
Specific embodiment
Below in conjunction with the accompanying drawings, specific embodiment of the present utility model is described in detail, it is to be understood that this practicality Novel protection domain is not restricted by specific implementation.
Unless otherwise explicitly stated, otherwise in entire disclosure and claims, term " comprising " or its change It changes such as "comprising" or " including " etc. and will be understood to comprise stated element or component, and do not exclude other members Part or other component parts.
According to including the following steps for the construction method of the efficient precast floor slab of specific embodiment of the present invention:
Step 1, factory pour a part of concrete of precast floor slab;
Producer formulates detailed prefabricated board scheme, and through design according to the size of floor, thickness, arrangement of reinforcement in design drawing Unit, Party A, management, unit in charge of construction are agreed to.Prefabricated concrete floor is then begun to, steel is bound on the processing platform of factory Muscle, and a part of thickness concrete is poured, and ensure a part of reinforcing steel bars exposed.
Wherein, layer is pitted skin above the precast floor slab, it is ensured that transports to construction site and pours the mixed of build floor remainder Solidifying soil pour combined with this part concrete it is closely knit.
For example, the plate thickness of precast floor slab is 100mm, general factory carries out reinforcing bar binding after-pouring 60mm thickness concrete, and It is pitted skin to ensure that 60mm thickness position pours face, after steam curing reaches design strength, transports to construction site working face, carries out Remaining 40mm thickness concrete pours.60mm thickness position face layer the reason of being pitted skin is to allow two-step pouring concrete, because The reason of pitted skin, can preferably form entirety.Due to being prefabricated board, so the part of 60mm can substitute traditional technology Secondary joist and form surfacing (main joist must have), so so, simplifying construction technology, eliminate secondary joist and template Panel installs, the technique for also simplifying supporting rack.Construction technology is simple.Independent supporting rack, top are main joist flitches.
Step 2 is transported to scene, and independent supporting rack installs;
As shown in Figure 1, independent supporting rack includes:Tripod, lower upright bar 11, upper pright stanchion 12, Adjusting bolt Adjusting screw 19 and jacking 13. Wherein, tripod is umbrella-shaped structure, including:Casing 14, otic placode 15, supporting leg 16 and connecting plate 17, casing 14 are two, are passed through First pin interval is threaded through the lower part of lower upright bar 11, and otic placode 15 is fixed on the side of two casings 14, the upper end of supporting leg 16 with The otic placode 15 of upper square casing 14 is hinged;The otic placode 15 of one end of connecting plate 17 and lower square casing 14 is hinged, connecting plate 17 it is another The lower end with supporting leg 16 is held to be hinged;When in use, the first pin of lower square casing 14 is extracted, lower square casing 14 can be stood along lower 11 slide downward of bar, can put down supporting leg, as the tripod of stable upright bar, when not used, can lower square casing 14 to Pull-up receives tripod and (completes aforesaid operations using the axis of otic placode) together.
Upper pright stanchion 12 is smaller than the diameter of lower upright bar 11, is inserted into lower upright bar by its lower end and forms sleeve structure, upper pright stanchion Pin hole 18 is offered on 12, the top of lower upright bar 11 offers pin strip hole, and be spirally connected with being adapted to Adjusting bolt Adjusting screw 19 External screw thread, the second pin 20 is passed through from the strip hole of lower upright bar and the pin hole of upper pright stanchion, and solid using Adjusting bolt Adjusting screw 19 It is fixed stuck, the rotation adjustment upper pright stanchion 12 of Adjusting bolt Adjusting screw 19, the entire length of lower upright bar 11 can be passed through, it is ensured that upper pright stanchion is received To after downward load, upper pright stanchion will not fall.
Jacking 13 is fixed at the top of upper pright stanchion 12, for placing main joist.
Step 3, precast floor slab are lifted to working face;
As shown in Figures 2 and 3, the lifting of precast floor slab uses hoisting beam, which is mainly cut laggard using steel plate Row is welded, including:Lifting lug 21, side plate 23, header board 24, strengthens riser 25, keel plate 26 and sunpender 27 at upper cross plate 22. Lifting lug 21 is arranged in pairs in the top surface of upper cross plate 22, for being used cooperatively with lifting appliance.Side plate 23 is arranged in pairs in upper cross plate 22 both sides, header board 24 are secured transverse to by its both ends in the middle part of both side plate.It is multiple to strengthen riser 25, passes through its both ends It is fixed between upper cross plate 22 and header board 24 vertically, for improving the mechanical strength of hoisting beam.Keel plate 26 is multiple, interval It is fixed below header board 24, sunpender 27 is threaded through in multiple keel plates 26, and is welded and fixed, will be prefabricated for wearing lifting rope Floor is lifted to working face.
Preferably, to ensure that stress is good, upper cross plate 22 is whole plate (integrated molding) with header board 24, and sunpender 27 is diameter The round steel (reinforcing bar) of more than 20mm and whole.
Step 4, gap is handled between precast floor slab;
Above for support system, precast floor slab is lifted to the main joist of independent supporting rack, it can there are two " seams ".One A is side seam, and one is middle seam.
Wherein, side seam is handled:In precast floor slab and the handing-over internal corner part of structural wall, longitudinally disposed 100*100mm2Wood Side, and using steel nail nail within the walls, patch sponge strip, prevents concrete spillage on the inside of flitch.
Middle seam processing:1. the middle seam less than 200mm is handled using membrane module is hung, without supporting frame.
Include as shown in figure 4, this hangs membrane module:Spiral 31, screw rod 32, removable cone 33, flitch 34 and clamp 35. Wherein, spiral 31 is laterally set, a diameter of 10mm, and length is longer 100mm than pending middle seam or so.Screw rod 32 is set vertically It puts, upper end and the middle part of spiral 31 are welded and fixed, and the center of removable cone 33 offers the perforation of the first screw rod, is threaded through spiral shell The middle part of bar 32.The middle part of flitch 34 offers the perforation of the second screw rod, is threaded through on screw rod 32, and positioned at removable cone 33 Lower section.Clamp 35 is adapted to screw rod 32 and is spirally connected, and blocks flitch 34 from below.When pouring, screw rod 32 and flitch 34 are laid in prefabricated The both sides up and down stitched in floor 36, screw rod 32 are cast in concrete, and the part that lower part is exposed on the outside needs to cut away, (due to Screw rod is irony, it may appear that the situation of iron rust, so setting removable cone, so, cone is formed on concrete floor One bellmouth can also cut away the screw rod in hole, then mix in hole with the microdilatancy of a label higher than concrete floor Solidifying grave blocks up, it is ensured that screw rod is not exposed, prevents from getting rusty).It is reinforced followed by flitch and clamp, acceptance(check) after-pouring mixes Solidifying soil, after reaching strength of mould stripping, first tears clamp open, then tear keel and removable cone open, cuts reinforcing bar in bellmouth, is finally sealed It is stifled.
2. as shown in figure 5, the middle seam more than 200mm needs to set independent support, difference supporting module panel 37, secondary main dragon Bone 38, jacking and frame body.
Step 5 pours the concrete of precast floor slab remainder, and carries out concrete topping and receive face maintenance.
To sum up, the construction method of the efficient precast floor slab pours a build floor part using prefabricated after factory's progress reinforcing bar binding Concrete, steam curing reach design strength after, transport to construction site and pour the concrete of build floor remainder, can save The slightly secondary joist and form surfacing of traditional technology, simplifies construction technology, eliminates installing for secondary joist and form surfacing, also letter The technique for having changed supporting rack, improves construction efficiency.
The description of the aforementioned specific exemplary embodiment to the utility model is in order to illustrate and illustration purpose.These Description is not wishing to the utility model is defined to disclosed precise forms, and it will be apparent that according to the above instruction, can carry out Many change and variations.The purpose of selecting and describing the exemplary embodiment is that explain the specific principle of the utility model And its practical application, so that those skilled in the art can realize and utilize a variety of different examples of the utility model Property embodiment and various chooses and changes.The scope of the utility model is intended to by claims and its waits similar shapes Formula is limited.

Claims (2)

1. a kind of independent supporting rack of efficient construction of precast floorslab, which is characterized in that the independent supporting rack includes:Tripod, Lower upright bar, upper pright stanchion, Adjusting bolt Adjusting screw and jacking, the tripod are umbrella-shaped structure, are threaded through the lower part of the lower upright bar, described Upper pright stanchion is inserted into lower upright bar and forms sleeve structure, pin hole is offered on the upper pright stanchion, the top of the lower upright bar opens up Have a pin strip hole, and with being adapted to the external screw thread that is spirally connected with Adjusting bolt Adjusting screw, by the first pin from the strip hole of lower upright bar and on The pin hole of upright bar passes through, and is fixed using Adjusting bolt Adjusting screw stuck, and upper pright stanchion, lower vertical can be adjusted by the rotation of Adjusting bolt Adjusting screw The entire length of bar;The jacking is fixed at the top of upper pright stanchion, for placing main joist.
2. the independent supporting rack of efficient construction of precast floorslab according to claim 1, which is characterized in that the tripod packet It includes:Casing, otic placode, supporting leg and connecting plate, described sleeve pipe are two, and the lower part of lower upright bar is threaded through by the second pin interval, The otic placode is fixed on the side of two casings, and the upper end of the supporting leg and the otic placode of upper square casing are hinged;The connecting plate One end and the otic placode of lower square casing are hinged, and the other end of the connecting plate and the lower end of supporting leg are hinged.
CN201721402922.0U 2017-10-27 2017-10-27 The independent supporting rack of efficient construction of precast floorslab Active CN207538506U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721402922.0U CN207538506U (en) 2017-10-27 2017-10-27 The independent supporting rack of efficient construction of precast floorslab

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721402922.0U CN207538506U (en) 2017-10-27 2017-10-27 The independent supporting rack of efficient construction of precast floorslab

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110080448A (en) * 2019-04-25 2019-08-02 浙江方木装饰有限公司 A kind of multifunction environment-protection type furred ceiling and installation method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110080448A (en) * 2019-04-25 2019-08-02 浙江方木装饰有限公司 A kind of multifunction environment-protection type furred ceiling and installation method
CN110080448B (en) * 2019-04-25 2020-09-22 浙江方木装饰有限公司 Multifunctional environment-friendly suspended ceiling and installation method

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