A kind of packaged type scaffold bowl fastening type fastener and method of operating thereof
Technical field
The present invention relates to building scaffold, particularly a kind of packaged type scaffold bowl fastening type fastener and method of operating thereof.
Background technology
Scaffold must use in building trade building operations, scaffold bowl button be scaffold in the process of building must accessory, scaffold bowl button is all detained by upper bowl and lower bowl button forms, at present, due to floor, and the standardization of building, its scaffold also all standardization used, standard, therefore the length of every root bar is all standard, what lower bowl button was dimensioned is weldingly fixed on scaffold upright rod (vertical tube), form a fixed connection node, upper bowl cingulum has scaffold upright rod jack, during use, lower bowl button is inserted in crossbar joint one end, fixed by a spacer pin be welded after upper bowl button fastens the crossbar joint other end, because upper bowl button requires to be enclosed within advance on scaffolding pole to bring inconvenience to use, " a kind of total sub-semigroup bowl is detained " of publication number CN203271112, being deducted points by upper bowl is two, without the need to being enclosed within scaffolding pole in advance during use, bring conveniently to use, but the brace just fastening cross bar due to upper bowl button is not fixedly connected with vertical rod and easily occurs coming off, and due to lower bowl button or an entirety, need time fixing on scaffolding pole, arrange fixing stopper slot, be equivalent to still still be fixed on scaffolding pole, when scaffold is used in nonstandard building or when cross bar needs to be connected to not a node, still bring inconvenience.
Summary of the invention
The object of the invention is to provide a kind of packaged type scaffold bowl fastening type fastener, and upper bowl button and the deduction of points of lower bowl are not divided into two parts, make to be fixed by bolts on scaffolding pole, can be connected in any position of scaffolding pole with cross bar.
To achieve these goals, the solution of the present invention is: a kind of packaged type scaffold bowl fastening type fastener, for the connection of scaffold vertical tube and transverse tube, comprise bowl button and lower bowl button, described upper bowl button is docked by two cramps and is formed, wherein, described lower bowl button is also docked by two cramps and is formed, on described, the cramp of lower bowl button comprises the first arc surface and second arc surface of two different radiis up and down be mutually connected, described first arc surface is the arc surface that outward opening tilts, described first arc surface connects the brace of transverse tube for fastening, described second arc surface is used for embracing scaffold vertical tube, engaging lug is respectively arranged with in the two side ends of the second arc surface, engaging lug is provided with bolt connecting hole, described scaffold bowl button also comprises a locating ring, described locating ring is relatively connected to form by two and half ring plates, during use, locating ring is bolted on the scaffold vertical tube on bowl button, locating ring towards on bowl buckle end face face on be provided with positioning convex, described upper bowl button cramp upper surface is a spiral end face with lead angle, bowl button in left rotation and right rotation, because spiral end face is subject to the spacing of positioning convex, described upper bowl button cramp is by the locking of the brace of transverse tube or unclamp.
Scheme is further: described two spiral end face cramps with lead angle docking formation continuous helical end face, the locating ring positioning convex that arrange corresponding to described continuous helical end face is one.
Scheme is further: described two spiral end face cramps with lead angle docking formation two symmetric helix end faces, the locating ring positioning convex that arrange corresponding to described two symmetric helix end faces is two.
Scheme is further: the angle of described lead angle is 10 degree to 30 degree.
Scheme is further: the surface of detaining the second arc surface at described lower bowl is provided with stupefied tooth, and described stupefied tooth prevents from described lower bowl to be buckled on scaffold vertical tube sliding after locking.
Scheme is further: described stupefied tooth is the horizontal stupefied tooth of level.
Scheme is further: the height that the first arc surface detained by described lower bowl is at least 30mm, and the height that the second arc surface detained by described lower bowl is at least 50mm.
Scheme is further: the arc radius that the second arc surface detained by described upper bowl button, lower bowl equals the radius of scaffold vertical tube, and the circular arc that the arc length that the second arc surface detained by described upper bowl button, lower bowl is less than scaffold vertical tube 1/2nd circle is long.
Scheme is further: the arc length that the second arc surface detained by described lower bowl is that the circular arc of 3/4ths scaffold vertical tubes 1/2nd circles is long.
A kind of method of operating of packaged type scaffold bowl fastening type fastener, comprise described packaged type scaffold bowl fastening type fastener, described method of operating is: first cramp is connected to form lower bowl button, upper bowl button, two and half ring plate docking form locating ring, by locating ring, upper bowl button, lower bowl button along being inserted in sequence scaffold vertical tube, according to the position locking described lower bowl button of scaffold transverse tube on vertical tube, after connecting component of transverse pipe being inserted lower bowl button, upper bowl retaining ring is lived connecting component of transverse pipe, then by locating ring locking positioning, in rotation, bowl button locks upper bowl button after being compressed by connecting component of transverse pipe; If want to adjust the position of scaffold transverse tube on vertical tube, only need adjust loose above-mentioned parts, lower bowl button be slided into desired location and repeat above-mentioned action and complete displacement.
The invention has the beneficial effects as follows: structure is simple, and easy accessibility, any position that can be implemented in scaffolding pole is connected with cross bar.
Below in conjunction with drawings and Examples, the present invention is described in detail.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is bowl button fastening piece structure schematic diagram under the present invention
Fig. 3 is bowl button fastening piece structure schematic diagram in the present invention.
Detailed description of the invention
Embodiment 1:
A kind of packaged type scaffold bowl fastening type fastener, as Fig. 1, shown in Fig. 2 and Fig. 3, described scaffold bowl fastening type fastener is used for the connection of scaffold vertical tube 1 and transverse tube 2, comprise bowl button 3 and lower bowl button 4, described upper bowl button is docked by two cramps and is formed, wherein: described lower bowl button is also docked by two cramps and formed, on described, the shape and structure of lower bowl button is substantially close, as shown in Figures 2 and 3, on described, the cramp of lower bowl button comprises the first arc surface 5 and the second arc surface 6 of two different radiis up and down be mutually connected, the arc radius of the first arc surface is greater than the arc radius of the second arc surface, described first arc surface is the arc surface that outward opening tilts, as shown in Figure 1, described first arc surface connects the brace 2-1 of transverse tube for fastening, described second arc surface is used for encasing scaffold vertical tube 1, engaging lug 7 is respectively arranged with in the two side ends of the second arc surface, engaging lug is provided with bolt connecting hole 8, described scaffold bowl button also comprises a locating ring 9, described locating ring is relative by two and half ring plates, connected to form by bolt 10 locking, during use, locating ring is bolted on the scaffold vertical tube on bowl button, locating ring towards on bowl buckle end face face on be provided with positioning convex 9-1, described upper bowl button cramp upper surface is a spiral end face 3-1 with lead angle, bowl button in left rotation and right rotation, because spiral end face is subject to the spacing of positioning convex, described upper bowl button cramp is by the locking of the brace of transverse tube or unclamp.
Wherein: the angle of described lead angle is 10 degree to 30 degree.
In embodiment, upper bowl button can have two kinds of structures to the locking of transverse tube brace, the first: described two spiral end face cramps with lead angle docking formation continuous helical end face, the locating ring positioning convex that arrange corresponding to described continuous helical end face is one, the angle of this kind of its lead angle of structure can be smaller, such as 10 degree.It two is: as shown in Figure 1, described two spiral end face cramps with lead angle docking formation two symmetric helix end faces, the locating ring positioning convex that arrange corresponding to described two symmetric helix end faces is two, and the angle of this kind of its lead angle of structure can be larger, such as 20 degree.
In using: just can split out transverse tube to only unclamp upper bowl button, the spiral highest point height that end spiral end face buckled by described upper bowl is greater than height 1 to the 2mm being fastened transverse tube brace.
In embodiment, the surface that the second arc surface detained by described lower bowl is provided with stupefied tooth 6-1, described stupefied tooth prevents from described lower bowl to be buckled on scaffold vertical tube sliding after locking.Described stupefied tooth is the horizontal stupefied tooth of level triangle, can certainly be vertical or oblique stupefied tooth, and the stupefied tooth of level triangle is a kind of preferred plan.
In embodiment: in order to fixation, must ensure that the height that the first arc surface detained by described lower bowl is at least 30mm, the height that the second arc surface detained by described lower bowl is at least 50mm.
In using: the second arc surface of described upper bowl button only need first embrace scaffold vertical tube, rotational lock transverse tube brace is also needed in using, again upper bowl is detained two cramps afterwards and embrace the locking of scaffold vertical tube, the arc radius of its arc surface equals scaffold vertical tube radius or radius 1 to the 2mm slightly larger than scaffold vertical tube, and the circular arc that arc length is less than scaffold vertical tube 1/2nd circle is long; And lower bowl button will firmly be fixed on scaffold vertical tube, therefore, described in order to bolt fixation, the arc radius that the second arc surface detained by described lower bowl necessarily equals the radius of scaffold vertical tube, and, in order to make lower bowl button and the fixation of scaffold vertical tube, the circular arc that the arc length of described second arc surface is less than scaffold vertical tube 1/2nd round is long.
In embodiment: as a prioritization scheme, the arc length that the second arc surface detained by described lower bowl is that the circular arc of 3/4ths scaffold vertical tube 1/2nd circles is long.
Embodiment 2:
A method of operating for packaged type scaffold bowl fastening type fastener, comprise packaged type scaffold bowl fastening type fastener described in embodiment 1, the content in embodiment 1 also should be the present embodiment content; Its method of operating is: first cramp is connected to form lower bowl button, upper bowl button, two and half ring plate docking form locating ring, by locating ring, upper bowl button, lower bowl button along being inserted in sequence scaffold vertical tube, according to the position locking described lower bowl button of scaffold transverse tube on vertical tube, after connecting component of transverse pipe being inserted lower bowl button, upper bowl retaining ring is lived connecting component of transverse pipe, then by locating ring locking positioning, in rotation, bowl button locks upper bowl button after being compressed by connecting component of transverse pipe; If want to adjust the position of scaffold transverse tube on vertical tube, Zhi Xutiao Panasonic bowl button, upper bowl button and locating ring, lower bowl button is slided into desired location and repeat above-mentioned action and complete displacement.
Any position that the present embodiment scaffold bowl fastening type fastener can be implemented in scaffolding pole is connected with cross bar, overcomes the deficiency of existing scaffold bowl button, and convenient disassembly.
Be used for house top plate supporting system as bowl buckle scaffold, this support system is generally by the thick template of 20mm, 50x100mm secondary joist, and 100mmx100mm main joist, U-shaped holder, the vertical rod of bowl buckle frame, bowl buckle frame cross bar form.House floor height is generally 2800mm-3000mm, the height that general vertical rod is selected is that (physical length is 2200 to 2100 models, this model vertical rod is extensively present in scaffold leasing market) the vertical rod of bowl buckle frame, this model vertical rod has three bowl button nodes, go up most nodal point separation masthead 650mm, therefore this bowl of button bar is all standard component, and bowl button bit is put and cannot be changed.
According to Force Calculation and code requirement, after requiring vertical rod egress, length is not more than 500mm.Therefore, in construction or abandon a bowl buckle frame support system, or adopt the mode of common fastener to increase one deck girt in vertical rod more than the position of 500mm.
And use the present embodiment scaffold bowl button, can install in former 2100 model vertical rod optional positions, do not retrain by vertical rod stationary nodes, the vertical layer distance of girt can be adjusted arbitrarily.The advantage of the program is apart from slightly increasing, on basis that fastener node moves, meet code requirement (vertical rod egress is not more than 500mm) at horizon bar layer; And singly need not add one deck horizon bar (namely saving one deck horizon bar, fastener and corresponding human expenses of labour than original).The method does not change vertical rod structure, therefore neither affects the use of vertical rod at Other Engineering, does not need to drop into the special vertical rod of wholesale fund processing customization yet.