The disassembled anchor device of a kind of common builder's jack shaped steel end
Technical field
The utility model relates to the disassembled anchor device of a kind of common builder's jack shaped steel end, particularly a kind of builder's jack shaped steel (i iron) afterbody end anchorage construction equipment being applicable to little high level, high level, Super High setting, be specially the device of discharging platform end anchorage construction, belong to building operations consumptive material field.
Background technology
Scaffold is equipment conventional in highrise building. existing scaffold mainly contains console mode and profile steel overhanging.Profile steel overhanging scaffold (Fig. 5) is made up of an I-shaped steel section and the scaffold that is placed on I-shaped steel section end, and wherein I-shaped steel section one end need be fixed on the building floor face of building with U-shaped reinforcing bar draw ring, therefore is called shaped steel fixed end; The I-shaped steel section other end extends to outside, building floor face (Fig. 3) or shear wall outside (Fig. 4), and the I-shaped steel section stretching out roofing is called as shaped steel and encorbelments end, and shaped steel is encorbelmented on end and placed installation foot hand cradle again.
Existing shaped steel fixed end fixed form is: first two U-shaped reinforcing bar draw rings or anchor bolt pre-buriedly should be prepared assembling reinforcement position to layer concrete beam or layer concrete plate bottom, U-shaped reinforcing bar draw ring or anchor bolt directly with concrete beam or concrete slab bottom reinforcement welding or colligation firm.After concreting concrete, two U-shaped reinforcing bar draw rings or anchor bolt are directly fixed in concrete beam or in concrete slab bottom, are placed on by I-shaped shaped steel fixed end between two U-shaped reinforcing bar draw rings, fix with bolt.When exterior wall is shear wall, must reserve the cavity of flooring on shear wall in advance, be convenient to the later stage install shaped steel, and on floor pre-buried good fixture.
On the other hand, when adopting above-mentioned traditional pre-buried U-shaped reinforcing bar draw ring or anchor bolt to install, the height of U-shaped reinforcing bar draw ring or anchor bolt can not arbitrarily regulate, when U-shaped reinforcing bar draw ring or anchor bolt bury low, i iron cannot pass anchor ring, and when U-shaped reinforcing bar draw ring or anchor bolt bury high, have to add cushion block during installation and level up i iron, bring a lot of trouble to installation work.
Along with developing by leaps and bounds of engineering construction technology, the promotion in safety construction standardization building site is imperative, stress to find scientific and technological progress, new technology, the application of new technology and exploitation on the primary condition that frame stands on standard a nd norm, engineering is appraised and chosen excellent to choose and is more focused on representing bright spot, focus on low-carbon environment-friendly, focus on energy-saving and cost-reducing, the advanced technologies that emphasis recycles and construction method seem particularly important.
Summary of the invention
The utility model object is to solve above-mentioned traditional anchor device, provides a kind of common builder's jack shaped steel end disassembled anchor device.
The disassembled anchor device of a kind of common builder's jack shaped steel end of the utility model, it is characterized in that, disassembled anchor device is made up of upper steel plate (1), end steel plate (2), two rhizoid bars (3) and nut (4), two rhizoid bars (3) are fixed on end steel plate (2), upper steel plate (1) has eyelet (8), two rhizoid bars (3) are through after the eyelet (8) in upper steel plate (1), fixing with nut (4) activity; Described screw mandrel (3) is set with the PVC sleeve pipe (6) of corresponding length in the outside that itself and concrete (5) build contact-segment; Described end steel plate (2) outer layer covers has isolation adhesive tape (7).End steel plate (3) is embedded in below muscle at the bottom of plate.
Described screw mandrel (3) external coating lubrication oil or rustproof paint, to protect a tooth.
Described eyelet (8) is heart eye or slot.
Described eyelet (8) diameter is 20 × 25mm, and screw mandrel (3) cross-sectional diameter is 18mm.
Steel plate (2) thickness of the described end is 8mm, described upper steel plate (1) thickness 12mm.
The diameters of the perforate of described PVC sleeve pipe (6) is 25mm.
Operating principle: the disassembled anchor device of common builder's jack shaped steel end, comprise upper steel plate (1), end steel plate (2), two rhizoid bars (3), nut (4), its spy is being, described screw mandrel (3) is set with the PVC sleeve pipe (6) of corresponding length in the outside that itself and concrete (5) build contact-segment, described end steel plate (2) outer layer covers has isolation adhesive tape (7), leading screw is fixed by welding on end steel plate (2), upper steel plate (1) has eyelet (8), for passing screw mandrel (3), and by fixing upper steel plate (1) position of nut (4), screw mandrel (3) is erect vertically through end steel plate (2) and is carried out two-sided welding, better fixed effect can be brought, adopt double steel plate to add double lead (3) connected mode and the termination anchor ring of i iron or other steel is processed into complete set independently instrument, the tip position required in i iron installation position carries out pre-buried bottom steel plate and screw mandrel (3), until concrete (5) build complete reach final set time, i iron is positioned over put between two screw mandrels (3) straight after, top hold-down steel plate double nut (4) is pressed in i iron top and can completes installation, tool ironware should be stacked in dry storehouse when entering job site, described screw mandrel (3) external coating lubrication oil or rustproof paint are to protect silk tooth, avoid hurt screw mandrel (3) the silk tooth that gets rusty, described eyelet (8) is heart eye/also known as slot, to consider that anchor is reused rear screw mandrel (3) and can be occured bending and deformation, eye on laminated steel should beat heart eye, when reusing, even if there is Light deformation in screw mandrel (3), also increasing action power can be carried out by installing pressing plate, when adopting regularization anchor device to install, i iron can vertically be positioned between two screw mandrels (3), after the position adjustment correctly that upper steel plate (1) is placed, directly push down at screw mandrel (3) upper upper steel plate (1), tighten nut (4), the trouble of i iron need not be leveled up in order to add cushion block during insufficient height when this avoid installation, simultaneously, screw mandrel (3) and concrete (5) contact site use that the pvc pipe collar of ¢ 25 is pre-buried isolates, end steel plate (2) adhesive plaster, the separation layer that the materials such as adhesive tape are made wraps up closely knit the isolation.
After construction completion, during dismounting the utility model anchor device, easily it separated from concrete, during separation, pvc pipe cover is retained in concrete, and whole rhizoid bar (3) can be taken out completely, for end steel plate (2), same after removing the separation layer material being wrapped in its outer layer surface in advance, can take out end steel plate (2), the utility model anchor device can reclaim and the effect that can repeatedly recycle, reach cost-saving, the object of green construction.
The utility model is simple to operate, greatly saves the duration, for ensureing that completing of total lever factor target realizes effective guarantee.
Accompanying drawing explanation
Fig. 1 is the utility model anchor device using state structural representation,
Fig. 2 is the top view of the utility model anchor device upper steel plate parts.
Fig. 3 is the structural representation that in profile steel overhanging scaffold, I-shaped steel section is arranged on building floor face.
Fig. 4 is the structural representation that in profile steel overhanging scaffold, I-shaped steel section is arranged on shear wall outside, building floor face.
Fig. 5 is the structural representation of traditional i iron profile steel overhanging scaffold.
Wherein: at the bottom of 1-upper steel plate, 2-, steel plate, 3-screw mandrel, 4-nut, 5-concrete, 6-PVC sleeve pipe, 7-isolate adhesive tape, 8-eyelet, 10-U-shaped reinforced steel bar ring, 11-wooden unit, 12-scaffold.
Detailed description of the invention
Adopt the utility model anchor device that builder's jack shaped steel is installed, its shaped steel (i iron) can be placed between two rhizoid bars 3 by accurate vertical, after the position adjustment that upper steel plate 1 is placed is correct, on screw mandrel 3, directly loads onto steel plate 1 push down, tighten nut 4.When avoiding conventional mounting like this, because of insufficient height, cushioning bulk levels up the trouble of i iron, simultaneously, screw mandrel 3 and concrete 5 contact site use that the pvc pipe collar of ¢ 25 is pre-buried isolates, end steel plate 2 adhesive plaster, the separation layer that the materials such as adhesive tape are made wraps up closely knit the isolation, so namely, meet after construction completion, when anchor device is dismantled, it is convenient to separate from concrete, pvc pipe cover is removed during separation, screw mandrel 3 can be taken out, for end steel plate 2, the separation layer material removing its surface can take out end steel plate 2, the recovery be convenient to and the effect that can complete recycling, reach cost-saving, the object of green construction.
The utility model is simple to operate, greatly saves time duration, for ensure that completing of total lever factor target achieves effective guarantee.
Construction process: after processing anchor device → on-the-spot pile, the pre-buried anchor device of japanning → after reinforcement colligation and suit pvc pipe → concrete placings after final set → placement i iron; install pressing plate again, screw mandrel upper end antirust oil parcel → daily inspection finished product protection.
Steel plate at the bottom of the utility model must be embedded in below muscle at the bottom of plate, and so both convenient dismounting steel plate, in turn ensure that stressed.
embodiment 1: when the i iron afterbody of the builder's jack shaped steel arranged little high level, high level or Super High fixes termination anchoring construction, first get out corresponding required material components: upper steel plate 1, end steel plate 2, screw mandrel 3, nut 4, concrete 5 mix earth material, PVC sleeve pipe 6, isolation adhesive tape 7, rig, welding machine etc., intend should being stacked in dry storehouse when processing anchor device ironware enters job site, avoid hurt screw mandrel 3 teeth that get rusty, brushing rustproof paint or lubrication oil should be concentrated, prevent from getting rusty; As shown in Fig. 1-Fig. 2, upper steel plate 1 carries out jewel hole hole 8 process, can hold screw mandrel 3 and pass, eyelet 8 diameter is 20 × 25mm, screw mandrel 3 adopts the specification of 18mm, screw mandrel 3 one end is welded on end steel plate 2, fill with concrete 5 after carrying out reinforcement colligation before, first the end steel plate 2 welded and screw mandrel 3 is passed pre-buried reinforcement, be positioned over the below of reinforcement, leading screw 3 extends upwards through reinforcement, and both convenient dismounting end steel plate, in turn ensure that stressed.
The pvc pipe cover of ¢ 25 specification is adopted to be sleeved on leading screw 3 screw mandrel 3 and concrete 5 contact site, end steel plate 2 use isolation adhesive tape 7 wrap up closely knit after water again, pre-buried front first unwrapping wire, the pre-buried position of anchor calculates tip position in 1:1.25 ratio, until concrete 5 build complete reach final set time, i iron is positioned over put between two screw mandrels 3 straight after, upper steel plate 1 is pressed in i iron top with double nut 4 and can completes installation, nut 4 is firmly tightened, and carry out Daily Round Check record, find that there is to loosen and tighten in time, make upper steel plate 1, end steel plate 2 is connected i iron termination anchor ring and is processed into complete set independently instrument with double lead 3, upper steel plate 1 plays effect and the effect of pressing plate, consider the unfavorable dismounting of lower steel plate super thick, ultra-thin exist potential safety hazard, end steel plate 2 thickness is 8mm, upper steel plate 1 thickness 12mm, screw mandrel 3 is full with end steel plate 2 welded seam, even upper and lower opening welding is closely knit, do drawing experiment if desired, consider that anchor is reused rear screw mandrel 3 and can be occured bending and deformation, the eye on laminated steel should beat heart eye, when reusing, Light deformation occurs screw mandrel 3 also can install pressing plate increasing reinforcement edge, time pre-buried, for preventing artificial collision from causing screw mandrel 3 ramp down, can reinforce at end steel plate 2 surrounding nail.
The utility model has the advantage of that the height of anchor fastening devices repeats to reclaim utilization rate, all steel plates, all screw mandrels 3, all nuts 4 are all reusable, compare with traditional embedded bar anchor ring, embedded bar anchor ring is after i iron is removed, cut-out reinforcing bar can only be adopted to remove, cut-off reinforcing bar half is embedded in inside concrete 5, generally waste disposal can only be worked as, materials'use is formed obviously waste, on the other hand, when adopting traditional embedded bar anchor ring to install, the height of anchor ring can not arbitrarily regulate, when anchor ring buries low, i iron cannot pass anchor ring, and when anchor ring buries high, have to add cushion block during installation and level up i iron, a lot of trouble is brought to installation work, when the regularization anchoring piece adopting the utility model to provide is installed, i iron can vertically be positioned between two rhizoid bars 3, after placement location adjustment is correct, directly on screw mandrel 3, put steel plate, tighten nut 4, operate very simple, greatly save time duration, ensure that the realization of total lever factor target.