Releasable self-locking external scaffolding and building connector
Technical field
The present invention relates to a kind of device that in building engineering construction, steel tube outer scaffold is connected with building, especially a kind of releasable self-locking external scaffolding and building connector.
Background technology
On the building site, in order to guarantee the overall security of external scaffolding, setting up in the process of steel pipe scaffold, common way is: for guaranteeing the resistance to overturning of support body on both direction in length and breadth, earlier in the vertical along support body arranged outside bridging from top to bottom; Utilize the draw ring and the external scaffolding that are embedded on the reinforced concrete structure to socket in the horizontal with getting in touch rod member, perhaps adopt pre-buried rigidity is bigger in reinforced concrete structure reinforcing bar or band steel, hyphen steel pipe fixing on reinforcing bar or band steel and the external scaffolding support body is welded.These two kinds of methods are commonplace, but following defective is all arranged: the one, and pre-buried reinforcing bar or band steel are expendable consumed product, the effort of taking a lot of work; The 2nd because the pre-buried reinforcing bar or the size of band steel fix, thereby make its with external scaffolding between be connected degree of freedom and the construction flexibility is suppressed, so all be difficult for wide popularization and application.China utility model patent 200920046128.6(2010 notice of authorization on May 5) a kind of tool type external scaffold connector of being made up of connection steel pipe, band steel, hard-wood wedge and cross buckle has been described, this connector is owing to be that band steel is enclosed within on the pre-buried Steel-bar Pile of reinforced concrete structure, and hard-wood wedge is to squeeze into the connector from unsettled side, so exist the defective of construction inconvenience, poor safety performance.
Summary of the invention
The present invention for solve external scaffolding in the prior art and building connector self intensity is low, installation is inconvenient, take tear open inconvenience, disposable loss greatly, the defective of poor safety performance, a kind of releasable self-locking external scaffolding and building connector are provided.
For achieving the above object, the technical solution used in the present invention is: adopt a kind of releasable self-locking external scaffolding and building connector, comprise " several " shape reinforcing bar dead bolt, clamp nut, rectangular steel pipe lock housing, connect steel pipe.Outwards double separately curved 90 degree in the two ends of described " several " shape reinforcing bar dead bolt form two retainings and collude, and are contained in the rectangular steel pipe lock housing front end rectangle lockhole; The width of described rectangle lockhole is slightly larger than the out-to-out of two reinforcing bars in " several " shape reinforcing bar dead bolt middle part, and has the end out-to-out of hook much smaller than " several " shape reinforcing bar dead bolt; Rectangular steel pipe lock housing rear end is welded on and connects on the steel pipe; The hook end of described " several " shape reinforcing bar dead bolt is twisted into thread.After in the rectangle lockhole of this " several " shape reinforcing bar dead bolt insertion rectangular steel pipe lock housing front end, this rectangular steel pipe lock housing is rotated 90 degree, passing two screws of " several " shape reinforcing bar dead bolt from rectangular steel pipe lock housing front end-plate, with two clamp nuts that it and rectangular steel pipe lock housing is fixing tight respectively again.
During concrete the construction, " several " shaped steel muscle dead bolt is passed the reinforcing bar draw ring of reserving on the building, again that the rectangular steel pipe lock housing is edge-on, and guarantee that retaining with " several " shaped steel muscle dead bolt two ends colludes and erect in the rectangle lockhole that is inserted into it, lie on the building after then the rectangular steel pipe lock housing being rotated 90 degree, nestle up with ground, it is orthogonal that the retaining at " several " shaped steel muscle dead bolt two ends links the rectangle lockhole length direction of line and rectangular steel pipe lock housing front end at this moment, with the opening monkey wrench two clamp nuts on " several " shaped steel muscle dead bolt is tightened on the rectangular steel pipe lock housing.The outer end that connects steel pipe is coupled together with the perpendicular steel pipe on cruciform fastening for falsework and the building external scaffolding, bigger with the distance that is connected between the steel pipe according to the particular location in building site if external scaffolding erects steel pipe, short steel pipes of between adjunction then.
The invention has the beneficial effects as follows: the present invention compared with prior art, overcome external scaffolding and building connector make complicated, self intensity is low, take and tear inconvenient shortcoming open, reduced widely and installed and the labour of dismounting and the proportion of goods damageds of one-off construction material, simultaneously because the constructor all installs or removes in that building is indoor, therefore the safety and reliability of construction access assurance.
Description of drawings
The present invention is described further below in conjunction with description of drawings and the specific embodiment.
Fig. 1 is the structure sectional view of releasable self-locking external scaffolding of the present invention and building connector.
Fig. 2 is releasable self-locking external scaffolding of the present invention and building connector " several " shape reinforcing bar dead bolt front view.
Fig. 3 is the rectangular steel pipe lock housing front view of releasable self-locking external scaffolding of the present invention and building connector.
The specific embodiment
Shown in Figure 1 with reference to embodiment, adopt a kind of releasable self-locking external scaffolding and building connector, comprise " several " shape reinforcing bar dead bolt 2, clamp nut 3, rectangular steel pipe lock housing 6, connect steel pipe 7.Outwards double separately curved 90 degree in the two ends of described " several " shape reinforcing bar dead bolt 2 form two retainings and collude 5, are contained in the rectangular steel pipe lock housing 6 front end rectangle lockholes 4; The width of described rectangle lockhole 4 is slightly larger than the out-to-out of two reinforcing bars in " several " shape reinforcing bar dead bolt 2 middle parts, and has the end out-to-out of hook much smaller than " several " shape reinforcing bar dead bolt 2; Rectangular steel pipe lock housing 6 rear ends are welded on and connect on the steel pipe 7; The hook end of described " several " shape reinforcing bar dead bolt 2 is twisted into thread.After in the rectangle lockhole 4 of these " several " shape reinforcing bar dead bolt 2 insertion rectangular steel pipe lock housings 6 front ends, this rectangular steel pipe lock housing 6 is rotated 90 degree, passing two screws 9 of " several " shape reinforcing bar dead bolt 2 from rectangular steel pipe lock housing 6 front end-plates, with two clamp nuts 3 that it is fixing tight with rectangular steel pipe lock housing 6 respectively again.
With reference to Fig. 2, Fig. 3, when concrete construction, " several " shaped steel muscle dead bolt 2 is passed the reinforcing bar draw ring of reserving on the building 81, again that rectangular steel pipe lock housing 6 is edge-on, to guarantee that retaining with " several " shaped steel muscle dead bolt 2 two ends colludes 5 and erects in the rectangle lockhole 4 that is inserted into it, lie on the building 8 after then it being rotated 90 degree, and near on the ground, it is orthogonal that the retaining at " several " shaped steel muscle dead bolt 2 two ends colludes lockhole 4 length directions of 5 lines and rectangular steel pipe lock housing 6 front ends at this moment, utilizes two clamp nuts 3 that two retainings in " several " shaped steel muscle dead bolt 2 ends are colluded 5 and be tightened on the rectangular steel pipe lock housing 6.The outer end that connects steel pipe 7 is coupled together with the perpendicular steel pipe on cruciform fastening for falsework and the building external scaffolding, bigger with the distance that is connected between the steel pipe according to the particular location in building site if external scaffolding erects steel pipe, short steel pipes of between adjunction then.
Being connected steel pipe and also can adopting wire rope, channel-section steel, shaped steel to replace of certain described releasable self-locking external scaffolding and building connector.Can reach the purpose that connects external scaffolding equally, more than various conversion all drop in protection scope of the present invention, generally speaking, the present invention should comprise those conspicuous for those of ordinary skills distortion or substitute and improve.