CN105401598A - Automatic formwork lowering system hoisting device and method for top-down construction - Google Patents
Automatic formwork lowering system hoisting device and method for top-down construction Download PDFInfo
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- CN105401598A CN105401598A CN201510759815.2A CN201510759815A CN105401598A CN 105401598 A CN105401598 A CN 105401598A CN 201510759815 A CN201510759815 A CN 201510759815A CN 105401598 A CN105401598 A CN 105401598A
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Abstract
The invention provides an automatic formwork lowering system hoisting device and method for top-down construction and belongs to the field of building construction. By the adoption of the automatic formwork lowering system hoisting device and method for top-down construction, the problems that an existing formwork system hoisting device is not universal, and a formwork system needs to be dismounted and mounted repeatedly are solved. The automatic formwork lowering system hoisting device for top-down construction comprises a stress boom assembly, a force bearing support and a gasket. The stress boom assembly comprises a plurality of stress booms and a plurality of thread connectors. The force bearing support comprises two sub-nuts, a nut sleeve and a plurality of set screws. The length of the stress boom assembly can be adjusted by adjusting the number of the applied stress booms and the number of the applied thread connectors according to actual conditions, so that different engineering requirements are met. The invention further discloses the automatic formwork lowering system hoisting method for top-down construction. By the adoption of the automatic formwork lowering system hoisting method for top-down construction, the situation that the formwork system needs to be dismounted and mounted repeatedly during top-down construction can be avoided. In a word, by the adoption of the automatic formwork lowering system hoisting device and method for top-down construction, the construction cost of projects can be effectively reduced, and the labor intensity of operators is relieved.
Description
Technical field
The present invention relates to the realm of building construction, particularly modular system hanging apparatus and hanging method thereof fall in a kind of contrary sequence method automatically.
Background technology
Along with the rapid development in city, in Urban Building Construction field, reverse construction is more and more subject to people's attention because its duration is short, safety is high, on advantages such as building impact are around little, is applied in more and more object of construction production and goes.
Traditional contrary sequence method continues to dig out certain space downwards after digging design elevation, utilize the space that this part is backbreak, the support system of template system and template built by reinforced concrete beam (floor) for cast-in-site, therefore need pour into a mould interim bed course, adds cost; Meanwhile, because the reinforced concrete beam (floor) of cast-in-site needs time maintenance, can not soil excavation be carried out between curing time, this considerably increases the construction period of whole underground construction.In order to shorten the construction period, be developed a kind of formwork hoisting device, whole template system can be suspended on the reinforced concrete beam (floor) that last layer pours into a mould by hanging apparatus, at reinforced concrete beam (floor) between curing time, synchronously can carry out the excavation of lower floor's soil body, shorten the construction period of engineering to a certain extent; But because template system can only be suspended on last layer reinforced concrete beam (floor) by hanging apparatus, when underground reinforced concrete structure is sandwich construction (number of plies N >=3), often descend one deck all hanging apparatus and template system dismounting and will install once, waste time and energy; On the other hand, due to different buildings, the story height of underground reinforced concrete structure differs greatly, therefore hanging apparatus used too, just same project at last, often also needs the hanging apparatus overlapping different size (length) more, considerably increases the early investment of engineering.
In sum, in existing reverse construction, the construction of template system is more next can not meet the high efficiency of Modern Construction, the requirement of low cost, in order to adapt to different building underground reinforced concrete structure and reduce template in construction process system mounting or dismounting number of times, therefore research and develop a kind of contrary sequence method and automatically fall modular system hanging apparatus and hanging method has become those skilled in the art's technical barrier in the urgent need to address.
Summary of the invention
A kind of contrary sequence method is the object of the present invention is to provide automatically to fall modular system hanging apparatus, to solve the existing construction site falling modular system and well cannot adapt to different underground reinforced concrete structure; Simultaneously, present invention also offers the hanging method that modular system falls in a kind of contrary sequence method automatically, to solve the problem needing being dismounted for multiple times template system in existing reverse construction, meet the high efficiency of building underground reinforced concrete structure reverse construction, the requirement of low cost.
For solving the problems of the technologies described above, the invention provides following technical scheme:
First, provide a kind of contrary sequence method and automatically fall modular system hanging apparatus, for lifting the template system of cast-in-site reinforced concrete structure, comprise stressed hanger rod component, pad and load bearing, described stressed hanger rod component comprises some stressed suspension rods and some screw thread couplings, described stressed suspension rod is joined end to end by described screw thread coupling, described pad and described load bearing are set in the outside of described stressed hanger rod component, described pad is arranged between described load bearing and a reinforced concrete floor, described load bearing is threaded with described stressed hanger rod component, the lower end of described stressed hanger rod component is connected with described template system.
Optionally, automatically fall in modular system hanging apparatus at described contrary sequence method, described load bearing comprises combination nut and nut overcoat, described combination nut comprises two sub-nuts that can dock, the cross section of sub-nut is semi-circular shape, relatively and arrange with one heart, described nut overcoat is set in outside described combination nut, and described nut overcoat internal diameter is greater than described screw thread coupling external diameter for two described sub-nuts.
Optionally, automatically fall in modular system hanging apparatus at described contrary sequence method, described load bearing also comprises some holding screws, and described holding screw coordinates with the screw on described nut overcoat, and the described holding screw end of thread withstands the outer wall of described combination nut.
Optionally, automatically fall in modular system hanging apparatus at described contrary sequence method, described pad is U-shaped single-open type packing ring.
Optionally, automatically fall in modular system hanging apparatus at described contrary sequence method, the length of described stressed suspension rod is 1000mm-1200mm.
In addition, the present invention also provides a kind of hanging method of contrary sequence method automatic moulding plate system, comprises the steps:
Step one: provide contrary sequence method described in automatically to fall modular system hanging apparatus, rely on described template system, completes the construction of the downward floor of described reinforced concrete floor;
Step 2: according to the height descending one deck construction floor again, determines the Bottom Runby of stressed hanger rod component;
Step 3: described stressed hanger rod component is transferred described Bottom Runby, when described stressed hanger rod component arrives precalculated position, insert described pad, merge two described sub-nuts and form described combination nut, be rotated down above mobile described nut overcoat to described pad, described nut overcoat is enclosed within outside described combination nut, described stressed hanger rod component is fixed on described reinforced concrete floor.
Optionally, in the hanging method of described contrary sequence method automatic moulding plate system, described step one comprises: the length of stressed suspension rod according to the height of construction floor, determines that the quantity of described stressed suspension rod is n; N stressed suspension rod is joined end to end respectively by n-1 described screw thread coupling and forms described stressed hanger rod component, by the through hole of described stressed hanger rod component through described reinforced concrete floor, and be fixed on described reinforced concrete floor by described load bearing and described pad, connect described template system in the lower end of described stressed hanger rod component; Rely on described template system, complete the construction of the downward floor of described reinforced concrete floor; Wherein n is natural number, and n >=1.
Optionally, in the hanging method of described contrary sequence method automatic moulding plate system, in described step 3:
When described Bottom Runby is less than the length of described stressed suspension rod, upwards shift out described nut overcoat, separately two described sub-nuts, outwards shift out described pad, transfer described stressed hanger rod component and arrive precalculated position; When described be more than or equal to distance be less than the length of described stressed suspension rod time, at least one described stressed suspension rod is increased again by described screw thread coupling in the upper end of described stressed hanger rod component, and then upwards shift out described nut overcoat, separately two described sub-nuts, outwards shift out described pad, transfer described stressed hanger rod component and arrive precalculated position.
Hinge structure, modular system hanging apparatus and hanging method thereof fall in contrary sequence method provided by the invention automatically, have following useful technique effect:
Greatly reduce capital input and the cost of engineering, described stressed hanger rod component is formed by connecting by screw thread coupling described in the described stressed suspension rod of some full-lengths and several, can according to actual conditions, can the length of stressed hanger rod component described in flexible modulation, avoid because the change of the underground reinforced concrete structure degree of depth needs different generation of producing this situation of hanging apparatus of different size (length), reduce the fixed assets investment of engineering, thus reduce the cost of whole engineering to a certain extent.
Effectively improve efficiency of construction, reduce the labour intensity of operator, the hanging method of modular system falls in contrary sequence method provided by the invention automatically, multi-layer underground reinforced concrete structure reverse construction template system peace can be reduced and tear number of times open, one deck of avoiding often constructing all will reinstall dismounting template system, effectively improve efficiency of construction, reduce the labour intensity of operator.
Accompanying drawing explanation
Fig. 1 is that modular system hanging apparatus three-dimensional perspective falls in the contrary sequence method of one embodiment of the invention automatically
Fig. 2 is that the three-dimensional explosive view of modular system hanging apparatus falls in the contrary sequence method of one embodiment of the invention automatically
Fig. 3 is that modular system hanging apparatus sectional view falls in the contrary sequence method of one embodiment of the invention automatically;
Fig. 4 is the pad three-dimensional perspective of one embodiment of the invention;
Fig. 5 is that the screw thread coupling of one embodiment of the invention is by the structural representation before steel concrete;
Fig. 6 is that the screw thread coupling of one embodiment of the invention is by the structural representation in steel concrete;
Fig. 7 is the step 3 schematic diagram of one embodiment of the invention;
In figure: modular system hanging apparatus, 200-reinforced concrete floor (beam), 1-stressed guide rod assembly, the stressed guide rod of 11-, 12-screw thread coupling, 2 load bearings, 21-nut overcoat, 22-combination nut, the sub-nut of 22a-, 23-holding screw, 3-pad fall in 100-contrary sequence method automatically.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments modular system hanging apparatus is fallen automatically to the contrary sequence method that the present invention proposes and hanging method is described in further detail.According to following description and claims, advantage and disadvantage of the present invention will be clearer.It should be noted that, accompanying drawing all adopts the form that simplifies very much and all uses the ratio of non-precision, only in order to object that is convenient, the aid illustration embodiment of the present invention lucidly.
Composition graphs 1 to Fig. 3, modular system hanging apparatus 100 falls in the contrary sequence method of one embodiment of the invention automatically, for lifting the template system of cast-in-site underground reinforced concrete structure, underground reinforced concrete structure generally includes multistory reinforced concrete floor (beam).Contrary sequence method automatically falls modular system hanging apparatus 100 and comprises stressed hanger rod component 1, load bearing 2 and pad 3; Stressed hanger rod component 1 comprises some stressed suspension rods 11 and some screw thread couplings 12, adjacent two stressed suspension rods 11 are threaded connection device 12 and are threaded, load bearing 2 and pad 3 are set in the outside of stressed hanger rod component 1, load bearing 2 is threaded with stressed suspension rod 11 in stressed hanger rod component 1, pad 3 is positioned between load bearing 2 and reinforced concrete floor (beam) 200, and the both ends of the surface of pad 3 contact with the upper surface of reinforced concrete floor (beam) 200 with the lower surface of load bearing 2 respectively; The lower end of stressed hanger rod component 1 is connected (not shown) with template system, and the downward load born is passed to reinforced concrete floor (beam) 200 by load bearing 2 and pad 3 by the upper end of stressed hanger rod component 1.
Continue composition graphs 2 and 3, load bearing 2 comprises combination nut 22, nut overcoat 21 and some holding screws 23, combination nut 22 comprises two sub-nut 22a that can dock, the cross section of sub-nut 22a is semi-circular shape, two sub-nut 22a in opposite directions and arrange with one heart, common, corresponding two sub-nut 22a are formed by the cutting of a nut, the internal thread uniformity of corresponding two sub-nut 22a can be ensured, combination nut 22 is hollow stairstepping cylinders, the endoporus of nut overcoat 21 and the less one end of the diameter of combination nut 22 closely cooperate, when 2 load-bearing of load bearing, nut overcoat 21 limits moving radially of two sub-nut 22a, radially to distribute several screwed holes at the sidewall of nut overcoat 21, holding screw 23 and corresponding threaded holes close, the end of thread of holding screw 23 withstands on the small end lateral surface of combination nut 22, further restriction two sub-nut 22a move radially.The internal diameter of nut overcoat 21 is greater than the external diameter of screw thread coupling 12, ensure that stressed hanger rod component 1 is in the process moved up and down, and can ensure that screw thread coupling 12 passes through nut overcoat 21.
With reference to figure 4, pad 3 is U-shaped single-open type packing ring, can easily be inserted between load bearing 2 and reinforced concrete floor (beam) 200, transmit the external load that stressed hanger rod component 1 is subject to, in addition, this design of pad 3 can be extracted out rapidly from stressed hanger rod component 1, makes screw thread coupling in stressed hanger rod component 1 can smoothly by reinforced concrete floor (beam) 200.
Continue referring to figs. 1 to Fig. 3 and Fig. 5 to Fig. 7, most building undergrounds story height is about 3m, the manufacturing cost of stressed suspension rod 11 can be multiplied along with the increase of length, consider execute-in-place factor easily simultaneously, preferred is 1000-1200mm by the Design of length of stressed suspension rod 11, can meet most actual demands of engineering like this by spreading.Preferably, can list the stressed suspension rod 11 of 1000mm in full-length, its cost can have and very significantly declines, and simultaneously in order to adapt to different story heights, can also arrange the stressed suspension rod 11 that some length are 1200mm-1700mm.
Composition graphs 3 and Fig. 5 to Fig. 7, illustrate that the hanging method of modular system falls in contrary sequence method automatically, comprise the steps:
Step one: provide above-mentioned contrary sequence method automatically to fall modular system hanging apparatus 100, specific practice is as follows:
According to the height of construction floor in Practical Project and the length of stressed suspension rod 11, determine that the quantity of stressed suspension rod 11 is n, specifically:
Wherein, L is the height of construction floor, l is the length of stressed suspension rod 11.
The selection of stressed suspension rod 11 length, to facilitate execute-in-place for principle, the quantity of screw thread coupling 12 is n-1; To be highly the construction floor of 3 meters, can select the stressed suspension rod 11 of 4 1000mm, the quantity of screw thread coupling 12 is 2; N stressed suspension rod 11 is joined end to end respectively by screw thread coupling 12 and forms stressed hanger rod component 1, by stressed hanger rod component 1 through the through hole on reinforced concrete floor (beam) 200, and be fixed on reinforced concrete floor (beam) 200 by load bearing 2 and pad 3, the lower end of stressed hanger rod component 1 connects template system, and born downward load is transferred on reinforced concrete floor (beam) 200 by load bearing 2 and pad 3 by stressed hanger rod component 1; Rely on the template system automatically falling modular system hanging apparatus 100 and connect, complete the construction of the downward floor of reinforced concrete floor (beam) 200; Wherein n is natural number, and n >=1;
Step 2: when needing to continue the construction to reinforced concrete floor (beam) 200 next floor again, according to the height descending first floor layer again, stressed hanger rod component 1 Bottom Runby can be determined:
Step 3: stressed hanger rod component 1 is transferred determined Bottom Runby in step 2:
When the Bottom Runby of stressed hanger rod component 1 is less than the length of stressed suspension rod 11, upwards shift out nut overcoat 21, separately two sub-nut 22a, outwards shift out pad 3, transfer stressed hanger rod component 1 to precalculated position; When the Bottom Runby of stressed hanger rod component 1 is greater than the length of stressed suspension rod 11, be threaded connection device 12 in the upper end of stressed hanger rod component 1 and increase at least one stressed suspension rod 11 again, and then upwards shift out nut overcoat 21, separately two sub-nut 22a, outwards shift out pad 3, transfer stressed hanger rod component 1 to precalculated position;
After the template system being connected to stressed hanger rod component 1 lower end arrives precalculated position, insert pad 3, merge two sub-nut 22a and form combination nut 22, be rotated down travelling nut overcoat 21, nut overcoat 21 is set in outside combination nut 22, again by downward load transfer on reinforced concrete floor (beam) 200.
Visible, automatically fall in the hanging method of modular system hanging apparatus 100 at above-mentioned contrary sequence method, do not need repeated disassembled and assembled template system, the upper end automatically falling modular system hanging apparatus 100 at contrary sequence method is only needed to increase the quantity of stressed suspension rod 11, and stressed hanger rod component 1 of letting pass downwards, just can complete automatically transferring of template system.
In sum, the invention provides contrary sequence method and automatically fall modular system hanging apparatus, structure is ingenious, the quantity and the length that need stressed suspension rod can be determined according to actual requirement of engineering, adjust the length of stressed suspension rod, the needs of reverse construction when making the hanging apparatus of template system can meet the underground reinforced concrete structure of different depth, greatly expand the scope of application of the hanging apparatus of template system, the fixed capital reducing underground reverse construction engineering drops into, thus reduces the cost of whole engineering to a certain extent.
In addition, the hanging method of modular system falls in contrary sequence method provided by the invention automatically, avoid contrary sequence method in multi-layer underground reinforced concrete floor (beam), need the trouble of repeatedly installation and removal template system repeatedly, effectively improve the efficiency of construction of underground reinforced concrete floor (beam) contrary sequence method, reduce the labour intensity of operator.
Foregoing description is only the description to present pre-ferred embodiments, any restriction not to the scope of the invention, and any change that the those of ordinary skill in field of the present invention does according to above-mentioned disclosure, modification, all belong to the protection domain of claims.
Claims (8)
1. modular system hanging apparatus falls in a contrary sequence method automatically, for lifting the template system of cast-in-site reinforced concrete structure, it is characterized in that, comprise stressed hanger rod component, pad and load bearing, described stressed hanger rod component comprises some stressed suspension rods and some screw thread couplings, described stressed suspension rod is joined end to end by described screw thread coupling, described pad and described load bearing are set in the outside of described stressed hanger rod component, described pad is arranged between described load bearing and a reinforced concrete floor, described load bearing is threaded with described stressed hanger rod component, the lower end of described stressed hanger rod component is connected with described template system.
2. modular system hanging apparatus falls in contrary sequence method automatically as claimed in claim 1, it is characterized in that, described load bearing comprises combination nut and nut overcoat, described combination nut comprises two sub-nuts that can dock, the cross section of sub-nut is semi-circular shape, relatively and arrange with one heart, described nut overcoat is set in outside described combination nut, and described nut overcoat internal diameter is greater than described screw thread coupling external diameter for two described sub-nuts.
3. modular system hanging apparatus falls in contrary sequence method automatically as claimed in claim 2, it is characterized in that, described load bearing also comprises some holding screws, and described holding screw coordinates with the screw on described nut overcoat, and the described holding screw end of thread withstands the outer wall of described combination nut.
4. modular system hanging apparatus falls in contrary sequence method automatically as claimed in claim 1, it is characterized in that, described pad is U-shaped single-open type packing ring.
5. as described in claim 1 to any one of claim 4, modular system hanging apparatus falls in contrary sequence method automatically, it is characterized in that, the length of described stressed suspension rod is 1000mm-1200mm.
6. a hanging method for contrary sequence method automatic moulding plate system, is characterized in that, comprises the steps:
Step one: provide contrary sequence method as described in any one of right 1 to 5 automatically to fall modular system hanging apparatus, rely on described template system, complete the construction of the downward floor of described reinforced concrete floor;
Step 2: according to the height descending one deck construction floor again, determines the Bottom Runby of stressed hanger rod component;
Step 3: described stressed hanger rod component is transferred described Bottom Runby, when described stressed hanger rod component arrives precalculated position, insert described pad, merge two described sub-nuts and form described combination nut, be rotated down above mobile described nut overcoat to described pad, described nut overcoat is enclosed within outside described combination nut, described stressed hanger rod component is fixed on described reinforced concrete floor.
7. the hanging method of contrary sequence method automatic moulding plate system as claimed in claim 6, it is characterized in that, described step one comprises: the length of stressed suspension rod according to the height of construction floor, determines that the quantity of described stressed suspension rod is n; N stressed suspension rod is joined end to end respectively by n-1 described screw thread coupling and forms described stressed hanger rod component, by the through hole of described stressed hanger rod component through described reinforced concrete floor, and be fixed on described reinforced concrete floor by described load bearing and described pad, connect described template system in the lower end of described stressed hanger rod component; Rely on described template system, complete the construction of the downward floor of described reinforced concrete floor; Wherein n is natural number, and n >=1.
8. the hanging method of contrary sequence method automatic moulding plate system as claimed in claim 6, is characterized in that, in described step 3:
When described Bottom Runby is less than the length of described stressed suspension rod, upwards shift out described nut overcoat, separately two described sub-nuts, outwards shift out described pad, transfer described stressed hanger rod component and arrive precalculated position; When described be more than or equal to distance be less than the length of described stressed suspension rod time, at least one described stressed suspension rod is increased again by described screw thread coupling in the upper end of described stressed hanger rod component, and then upwards shift out described nut overcoat, separately two described sub-nuts, outwards shift out described pad, transfer described stressed hanger rod component and arrive precalculated position.
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| CN201510759815.2A CN105401598B (en) | 2015-11-10 | 2015-11-10 | Automatic formwork lowering system hoisting device and method for top-down construction |
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| CN201510759815.2A CN105401598B (en) | 2015-11-10 | 2015-11-10 | Automatic formwork lowering system hoisting device and method for top-down construction |
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| CN105401598B CN105401598B (en) | 2017-04-19 |
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Cited By (2)
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| CN107761961A (en) * | 2017-09-11 | 2018-03-06 | 贵州建工集团第建筑工程有限责任公司 | A kind of electronic climbing frame monolithic construction method of high-rise building |
| CN110097830A (en) * | 2019-04-19 | 2019-08-06 | 深圳市智讯达光电科技有限公司 | A kind of complete preceding preceding display screen box body and its display screen safeguarded of installation |
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| CN105401598B (en) | 2017-04-19 |
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