CN209837652U - Scaffold normal position drawknot system and scaffold - Google Patents
Scaffold normal position drawknot system and scaffold Download PDFInfo
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- CN209837652U CN209837652U CN201822072060.0U CN201822072060U CN209837652U CN 209837652 U CN209837652 U CN 209837652U CN 201822072060 U CN201822072060 U CN 201822072060U CN 209837652 U CN209837652 U CN 209837652U
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Abstract
The utility model discloses a scaffold frame normal position drawknot system and scaffold frame relates to stone material curtain construction technical field. The method aims at the problems that the construction danger is large and the installation quality is difficult to guarantee because the installation positions of the scaffold wall connecting piece and the curtain wall unit plate conflict with each other and the hole filling type installation is needed to be carried out when the scaffold is to be dismantled. The scaffold in-situ tie system comprises an in-situ tie device and a scaffold wall connecting piece which are connected between a building base layer and a scaffold frame body, wherein a wall connecting embedded part of the in-situ tie device is arranged at a transverse joint between two pre-installed adjacent curtain wall unit plates; the scaffold wall connecting piece comprises an embedded steel plate connected to a building base layer and a wall connecting rod, wherein one end of the wall connecting rod is connected with the embedded steel plate, and the other end of the wall connecting rod is connected with the scaffold frame body.
Description
Technical Field
The utility model relates to a stone material curtain construction technical field, in particular to scaffold frame normal position drawknot system and scaffold frame.
Background
At present, adopt the scaffold frame to link the wall spare to connect the scaffold frame in building major structure usually for the pulling force and the pressure of transmission scaffold frame, the overall stability of scaffold frame can be strengthened in the setting of scaffold frame link wall spare, improves the bearing capacity of scaffold frame, and avoids the scaffold frame to take place to topple over or major incident such as collapse.
As shown in fig. 1, in the construction process of installing the stone curtain wall outside the building basic unit 1 and the heat preservation layer 7, because the existence of the scaffold connecting wall piece 8, the curtain wall unit plate 3 located at the position of the scaffold connecting wall piece 8 is influenced by the scaffold connecting wall piece and can not be normally installed on the wall in sequence, and the hole filling type installation can be carried out by one block when the scaffold frame body 4 needs to be dismantled, and the construction method has the following disadvantages:
firstly, the safety aspect: due to the dismantling of the scaffold wall connecting piece 8, the overall stability of the scaffold body 4 is reduced, and in addition, the scaffold body 4 is stacked with the curtain wall unit plates 3 which are not installed, so that the construction risk is high; when the curtain wall unit plates 3 are installed in a hole filling manner, no matter the SE-shaped aluminum alloy hanging pieces or the back bolt hanging pieces are used, a certain return distance is needed when the curtain wall unit plates 3 are installed, and the return distance is usually more than 20mm and is larger than the width (6-8 mm) of a transverse joint 5 between every two adjacent curtain wall unit plates 3, so that the curtain wall unit plates 3 cannot be installed normally basically; as shown in fig. 2, if the pulling node is located at the transverse joint 5, a stone cutting method is adopted to cut off the stone lath 3 'at the back of the groove of the curtain wall unit plate 3, and after the curtain wall unit plate 3 is fastened to the stone pendant 6, A, B glue is adopted to mount the stone lath 3'; as shown in fig. 3, if the tie point is located at other positions, the curtain wall unit plate 3 needs to be fixed by using an aluminum alloy or stainless steel cantilever member 9; it can be seen that above-mentioned two kinds of fixed modes have not only increased the manpower and materials of construction, cause the installation of this place curtain unit plate 3 insecure moreover, have the stone falling risk, have great potential safety hazard.
Secondly, in quality aspect: firstly, as the scaffold frame body 4 is dismantled in a short time, the field control is not easy to realize; secondly, when curtain unit plate 3 is in order of sequence installation construction from bottom to top, constructor need skip scaffold frame and link wall 8's position installation curtain unit plate 3, wait the later stage to demolish scaffold frame and link wall 8 back and then supply the curtain unit plate 3 of installation here, lead to that the holistic roughness of stone material curtain and the width control of horizontal seam 5 between the adjacent curtain unit plate 3 all can produce certain deviation, lead to the installation quality to be difficult to guarantee.
Disclosure of Invention
The utility model aims to solve the problems that the position of the existing scaffold wall connecting piece conflicts with the installation position of the curtain wall unit plate, part of the curtain wall unit plate can be installed in a hole filling mode when the scaffold is to be dismantled, so that the construction risk is large, and the installation quality of the stone curtain wall is difficult to ensure; and the stone curtain wall can be installed in proper order from bottom to top, thereby ensuring the surface evenness of the stone curtain wall and effectively controlling the width of the transverse joint.
The utility model provides a technical scheme that its technical problem adopted is: a scaffold in situ tie system comprising: a plurality of in-situ tie devices and a plurality of scaffold wall connecting members connected between the building base and the scaffold frame body; the in-situ tie device comprises:
the wall-connecting embedded part is fixedly connected to a building base layer, the central line of the wall-connecting embedded part along the horizontal direction corresponds to the central line of the transverse joint between two adjacent pre-installed curtain wall unit plates, and the wall-connecting embedded part is also provided with a clamping groove;
one end of the first pulling piece is buckled in the clamping groove of the wall-connecting embedded part, and the other end of the first pulling piece passes over the main keel and the secondary keel, passes through a transverse joint between two pre-installed adjacent curtain wall unit plates and extends to the outer side of the vertical face of the curtain wall unit plate;
one end of the second pulling piece is movably connected with the end part of the first pulling piece, extending to the outer side of the vertical face of the curtain wall unit plate, and the other end of the second pulling piece is connected with a scaffold;
the scaffold wall connecting piece comprises:
the embedded steel plate is connected to the building base layer;
and one end of the wall connecting rod is connected with the embedded steel plate, and the other end of the wall connecting rod crosses the main keel and the secondary keel and is connected with the scaffold body.
Preferably, the wall-connecting embedded part is composed of a bottom plate and a pair of clamping plates which are fixedly connected to the bottom plate and are arranged oppositely at intervals, the bottom plate is anchored to the building base layer, a C-shaped clamping groove formed by the clamping plates and the bottom plate is arranged along the horizontal direction and used for clamping the first tie piece, and the cross section of each clamping plate is L-shaped or U-shaped.
Preferably, the bottom plate of the wall-connecting embedded part is provided with at least two strip holes, the strip holes are respectively positioned at two sides of the clamping plate, the central line of the long axis of each strip hole is parallel to the central line of the clamping groove, and the bottom plate is fixed on the building base layer through a chemical anchor bolt penetrating through the strip holes.
Preferably, at least two of the elongated holes are staggered.
Preferably, the cross section of the first tie part is in a T shape and comprises a connecting part and a clamping part, one end of the connecting part is vertically fixed on the clamping part, the clamping part of the first tie part is matched with the clamping groove of the wall-connecting embedded part, so that the first tie part can be clamped on the wall-connecting embedded part, the other end of the connecting part is further provided with a first bolt hole for connecting with the second tie part through a bolt, and the first tie part is made of a steel plate with the thickness smaller than the width of the transverse joint.
Preferably, the second tie piece comprises base plate and connecting rod, the one end of base plate be equipped with the second bolt hole that first bolt hole internal diameter is the same, make the base plate can with the tip bolted connection of first tie piece, the one end overlap joint of connecting rod in base plate and welded fastening, the other end and the scaffold frame body of connecting rod are connected.
Preferably, the overlapping length L of the connecting rod and the base plate is greater than or equal to 100 mm.
Preferably, the first tie member comprises a first connecting rod and a second connecting rod which are connected through bolts, the cross section of the first connecting rod is T-shaped, the right-angle end of the first connecting rod is clamped in the clamping groove of the wall-connected embedded part, the other end of the first connecting rod is provided with a bolt hole, the cross section of the second connecting rod is Y-shaped, the U-shaped groove of the second connecting rod is respectively provided with a bolt hole with the same inner diameter as that of the first connecting rod, the second connecting rod can be sleeved on the first connecting rod and is movably connected through fastening bolts which sequentially penetrate through the bolt holes, the second connecting rod can rotate around the first connecting rod by taking the bolt holes as centers, and the extending end of the second connecting rod is fastened and fixed with the second tie member through bolt locks.
Preferably, a first connecting rod of the first pulling piece is further provided with a limiting block.
Additionally, the utility model also provides a scaffold frame, include: and the scaffold frame body is arranged at intervals with the building base layer, and the scaffold in-situ tie system is connected between the scaffold frame body and the building base layer.
The utility model has the effects that:
the scaffold in-situ tie system comprises a plurality of in-situ tie devices and a plurality of scaffold wall connecting pieces, wherein the in-situ tie devices are connected between a building base layer and a scaffold frame body; the embedded steel plate of the scaffold wall connecting piece is anchored on the building base layer, and two ends of the wall connecting rod are respectively connected with the embedded steel plate and the scaffold frame body, so that the scaffold is stably supported on the building base layer; when the scaffold wall connecting piece is positioned in the horizontal projection area of the pre-installed curtain wall unit plate, the conventional pulling point of the scaffold wall connecting piece is replaced to the position of the transverse seam between the two pre-installed adjacent curtain wall unit plates by the in-situ pulling device, the wall connecting embedded part at one end of the in-situ pulling device is connected to the base layer of the building, the first pulling piece clamped with the wall connecting embedded part penetrates through the position of the transverse seam between the two pre-installed adjacent curtain wall unit plates and is connected with the scaffold frame body through the second pulling piece, therefore, when the curtain wall unit plates are installed, only the installation part of the curtain wall unit plate needs to be grooved in advance, stone hanging pieces are inserted and bonded on site, the operation is simple, convenient and rapid, the stone cutting method and the piece picking installation method are completely cancelled, the potential safety hazard is avoided, and the installation firmness of the curtain wall unit plates is improved; constructors do not need to skip the positions of the scaffold wall connecting pieces, and the stone curtain wall can be installed in sequence from bottom to top, so that the surface flatness of the stone curtain wall is guaranteed, and the width of a transverse joint is effectively controlled; in the construction process, the scaffold wall connecting pieces with conflicting positions are replaced by the in-situ tie device, and the overall stability of the scaffold body cannot be damaged after the scaffold wall connecting pieces with conflicting positions are removed; consequently, compare solitary scaffold frame even wall spare among the prior art, the utility model discloses a scaffold frame normal position drawknot system can in time adjust the drawknot point of scaffold frame body according to the construction needs, for the construction elimination hindrance of mating formation in proper order of stone material curtain, the flexible operation is convenient, has guaranteed construction safety, and normal position drawknot device easily dismouting is favorable to the recycle of material moreover, has reduced construction cost.
Secondly, the utility model discloses a scaffold, set up the scaffold frame body in the building basic unit outside including the interval, connect a plurality of normal position drawknot devices and a plurality of scaffold frame wall connecting spare between scaffold frame body and building basic unit, when the scaffold frame wall connecting spare is located the horizontal projection region of the curtain unit plate of preinstallation, replace the conventional drawknot point of scaffold frame wall connecting spare to the position of horizontal seam between two adjacent curtain unit plates of preinstallation by normal position drawknot device, therefore, when installing curtain unit plate, constructor needn't skip the position that scaffold frame wall connecting spare is located, the stone curtain wall can realize from bottom to top in order installation, guaranteed stone curtain wall surface smoothness and effectively controlled the width of horizontal seam; in the construction process, the scaffold wall connecting pieces with conflicting positions are replaced by the in-situ drawknot device, so that the overall stability of the scaffold cannot be damaged after the scaffold wall connecting pieces with conflicting positions are removed, and the construction safety is ensured.
Drawings
FIG. 1 is a schematic view of a conflict between installation positions of a scaffold wall connecting member and a curtain wall unit plate in the prior art;
FIG. 2 is a schematic view of a curtain wall unit plate fixed by a stone cutting method in the prior art;
FIG. 3 is a schematic view of a curtain wall unit plate fixed by an aluminum alloy or stainless steel cantilever in the prior art;
fig. 4 is a schematic structural view of a wall-connecting embedded part according to an embodiment of the scaffold in-situ tie device of the present invention;
FIG. 5 is a side view of FIG. 4;
fig. 6 is a schematic structural view of an embodiment of a first tie member of the scaffold in-situ tie device of the present invention;
FIG. 7 is a side view of FIG. 6;
fig. 8 is a schematic structural view of an embodiment of a second tie member of the scaffold in-situ tie device of the present invention;
FIG. 9 is a side view of FIG. 8;
fig. 10 is a schematic structural view of an embodiment of the in-situ knot tying device of the scaffold of the present invention;
fig. 11 to 13 are schematic views illustrating steps of installing a stone curtain wall by using the scaffold according to an embodiment of the present invention;
fig. 14 is a schematic structural view of another embodiment of the in-situ knot tying device of the scaffold of the present invention;
fig. 15 is a schematic structural view of another embodiment of the first tie member of the scaffold in-situ tie device of the present invention;
fig. 16 is a schematic view illustrating steps of installing a stone curtain wall using a scaffold according to another embodiment of the present invention;
fig. 17 is the schematic diagram of the first tie member of the scaffold in-situ tie device of the present invention hidden in the inner side of the vertical surface of the curtain wall unit plate after the second tie member rotates.
The numbers in the figures are as follows:
a building base layer 1; a main keel 201; a secondary keel 202; a rear insert 203; corner connectors 204; a curtain wall unit plate 3; a stone slab 3'; a scaffold frame body 4; a transverse seam 5; a stone pendant 6; a heat-insulating layer 7; the scaffold wall connecting piece 8; pre-burying a steel plate 81; a wall-connecting rod 82; an aluminum alloy or stainless steel pick 9; a wall-connecting embedded part 10; a base plate 11; a card board 12; elongated holes 14; a chemical anchor bolt 15; a first pulling member 20; a connecting portion 21; a fastening part 22; the first bolt hole 23; a first connecting rod 24; a fastening bolt 25; a second connecting rod 26; a stopper block 27; a second pulling member 30; a substrate 31; a connecting rod 32; a second bolt hole 33.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and specific embodiments. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention. For convenience of description, the directions of "up" and "down" in the following description are the same as the directions of "up" and "down" in the drawings, but this should not be construed as limiting the technical solution of the present invention.
Example 1:
the scaffold in-situ tie system of the present invention is described with reference to fig. 1 to 11, which includes a plurality of in-situ tie devices and a plurality of scaffold wall connecting members 8 connected between a building base 1 and a scaffold frame body 4; wherein, normal position drawknot device includes: the wall connecting embedded part 10 is fixedly connected to a building base layer 1, the center line of the wall connecting embedded part 10 along the horizontal direction corresponds to the center line of a transverse joint 5 between two pre-installed adjacent curtain wall unit plates 3, and the wall connecting embedded part 10 is further provided with a clamping groove; one end of the first tie member 20 is fastened in the fastening groove of the wall-connecting embedded part 10, and the other end of the first tie member crosses the main keel 201 and the secondary keel 202, passes through the position of the transverse joint 5 between two pre-installed curtain wall unit plates 3 and extends to the outer side of the vertical plane of the curtain wall unit plates 3 (the outer side is the side far away from the building base layer 1); one end of the second tie member 30 is movably connected with the end part of the first tie member 20 extending to the outer side of the vertical surface of the curtain wall unit plate 3, and the other end of the second tie member is connected with the vertical rod or/and the cross rod of the scaffold body 4 through a right-angle fastener; the scaffolding wall-connecting member 8 includes: a pre-buried steel plate 81 anchored to the building base layer 1 by a chemical anchor bolt; and the wall connecting rod 82 is horizontally arranged, one end of the wall connecting rod 82 is fixedly welded with the embedded steel plate 81, and the other end of the wall connecting rod passes through the main keel 201 and the secondary keel 202 and is connected with the vertical rod or/and the cross rod of the scaffold body 4 through a right-angle fastener. The scaffold of this embodiment is exemplified by a full-length clip-type steel pipe scaffold, but is not limited thereto.
The utility model discloses a scaffold in-situ drawknot system, which comprises a plurality of in-situ drawknot devices and a plurality of scaffold wall connecting pieces 8, wherein the in-situ drawknot devices are connected between a building base layer 1 and a scaffold frame body 4; the embedded steel plate 81 of the scaffold wall connecting piece 8 is anchored on the building base layer 1, and two ends of the wall connecting rod 82 are respectively connected with the embedded steel plate 81 and the scaffold frame body 4, so that the scaffold frame body 4 is stably supported on the building outer wall; when the scaffold wall connecting piece 8 is positioned in the horizontal projection area of the pre-installed curtain wall unit plate 3, the normal pulling joint point of the scaffold wall connecting piece 8 is replaced to the position of the transverse joint 5 between two pre-installed adjacent curtain wall unit plates 3 by an in-situ pulling joint device, the wall connecting embedded piece 10 at one end of the in-situ pulling joint device is connected to the building base layer 1, the first tie pieces 20 clamped with the wall-connecting embedded parts 10 penetrate through the transverse joints 5 between two pre-installed curtain wall unit plates 3 and are connected with the scaffold body 4 through the second tie pieces 30, therefore, when the curtain wall unit plate 3 is installed, only the installation position of the curtain wall unit plate 3 needs to be grooved in advance, and the stone hanging pieces 6 are inserted and bonded on site, so that the operation is simple, convenient and quick, the stone cutting method and the piece picking installation method are completely cancelled, the potential safety hazard is avoided, and the installation firmness of the curtain wall unit plate 3 is improved; constructors do not need to skip the position of the scaffold wall connecting piece 8, the stone curtain wall can be installed in sequence from bottom to top, the surface flatness of the stone curtain wall is guaranteed, and the width of the transverse joint 5 is effectively controlled; in the construction process, the scaffold wall connecting pieces 8 with conflicting positions are replaced by the in-situ tie device, and the overall stability of the scaffold 4 cannot be damaged after the scaffold wall connecting pieces 8 with conflicting positions are removed; consequently, compare solitary scaffold frame even wall spare among the prior art, the utility model discloses a scaffold frame normal position drawknot system can in time adjust scaffold frame body 4's drawknot point according to the construction needs, for the construction elimination hindrance of mating formation in proper order of stone material curtain, the flexible operation is convenient, has guaranteed construction safety, and normal position drawknot device easily dismouting is favorable to recycling of material moreover, has reduced construction cost.
As shown in fig. 4 and 5, the wall-connecting embedded part 10 is composed of a bottom plate 11 and a pair of clamping plates 12 which are fixed on the bottom plate 11 and are spaced from each other and arranged oppositely, the bottom plate 11 is anchored on the building base layer 1, and a C-shaped clamping groove formed by the clamping plates 12 and the bottom plate 11 and arranged along the horizontal direction is used for clamping the first tie part 20, so that the first tie part 20 is more convenient to install and dismantle, particularly, the first tie part 20 is dismantled after the curtain wall unit plate 3 is installed at the place, the clamped first tie part 20 can slide out of the clamping groove of the wall-connecting embedded part 10 and be taken out.
With continuing reference to fig. 4, 5 and 11, at least two strip holes 14 are disposed on the bottom plate 11 of the wall-connecting embedded part 10, the strip holes 14 are respectively located at two sides of the slot, and a center line of a long axis of the strip hole 14 is parallel to a center line of the slot, the bottom plate 11 is fixed to the building base 1 by chemical anchor bolts 15 penetrating through the at least two strip holes 14, the arrangement of the strip holes 14 facilitates fine adjustment of the position of the wall-connecting embedded part 10 in the horizontal direction, and the size of the strip holes 14 in this embodiment is 32mm × 12mm (length × diameter). Preferably, at least two strip holes 14 are arranged in a staggered manner, that is, the fixing points of the bottom plate 11 and the building base layer 1 are arranged in the diagonal direction, so that the firmness of the connection between the wall-connecting embedded part 10 and the building base layer 1 can be enhanced. The chemical anchor bolt 15 is composed of a chemical rubber tube, a screw rod, a gasket and a nut, the screw rod is fixed in the drilled hole of the building base layer 1 in a cementing manner through a chemical adhesive, so that the fixed connection between the wall-connecting embedded part 10 and the building base layer 1 is realized, and the M10 chemical anchor bolt, namely the chemical anchor bolt with the drilled hole diameter of 10mm, is preferred in the embodiment.
As shown in fig. 6 and 7, the cross section of the first tie member 20 is T-shaped, and it is composed of a connecting portion 21 and a fastening portion 22, one end of the connecting portion 21 is vertically welded and fixed to the middle of the fastening portion 22, and the fastening portion 22 is matched with the fastening slot of the wall-connected embedded part 10, so that the first tie member 20 can be fastened to the wall-connected embedded part 10, and the other end of the connecting portion 21 is further provided with a first bolt hole 23 for bolt connection with a second tie member 30; after the stone curtain wall is paved and before glue is applied, the T-shaped first tie pieces 20 are detached and then are conveniently taken out from the transverse joint 5, the stone curtain wall cannot be damaged, and the operation is safe and convenient; better, first drawknot piece 20 adopts the steel sheet that thickness is less than 5 width of horizontal seam to make for connecting portion 21 of first drawknot piece 20 can run through horizontal seam 5 smoothly, and in addition, buckling portion 22 highly is less than the draw-in groove internal diameter of linking wall built-in fitting 10, makes buckling portion 22 joint have certain clearance behind the draw-in groove, and connecting portion 21 also has certain clearance in horizontal seam 5 within a definite time simultaneously, and the first drawknot piece 20 of being convenient for carries out vertical direction's fine setting. The first fastener 20 of this embodiment is preferably made of 6mm thick steel plate and has dimensions 245mm x 50mm (length x width), wherein the height of the hooking portion 22 is 44 mm.
As shown in fig. 8 and 9, the second tie 30 is composed of a base plate 31 and a connecting rod 32, one end of the base plate 31 is provided with a second bolt hole 33 having the same inner diameter as the first bolt hole 23, so that the base plate 31 can be bolted to the end of the first tie 20, one end of the connecting rod 32 is connected to the base plate 31 by welding, and the other end of the connecting rod 32 is connected to the vertical rod or/and the horizontal rod of the scaffold body 4 by a right-angle fastener, so that the scaffold body 4 is indirectly fixed to the outer wall of the building by the first and second tie 20, 30. In this embodiment, the diameters of the first bolt hole 23 and the second bolt hole 33 are both 11mm, the first pulling member 20 and the second pulling member 30 are connected into a whole by using an M10 bolt, the base plate 31 of the second pulling member 30 is made of a 6mm thick steel plate, the size is 175mm × 80mm (length × width), and the connecting rod 32 is made of a steel pipe with a diameter of phi 48. The base plate 31 of the second pulling part 30 is coaxial with the central line of the connecting rod 32, so as to ensure that the two ends of the second pulling part 30 are stressed evenly; preferably, as shown in fig. 8, the overlapping length L of the connecting rod 32 and the base plate 31 is greater than or equal to 100mm, so as to ensure the stable and reliable connection between the two.
The scaffold wall connecting piece 8 of the embodiment is arranged according to the requirements of two steps and three spans, the height of the two steps is about 4 meters, the length of the three spans is about 6 meters, particularly, the vertical distance of the scaffold wall connecting piece 8 is smaller than the floor height of a building and is not larger than 4m, the horizontal distance is not larger than 6 meters, the scaffold is reliably connected with the outer wall of the building, and instability damage of the scaffold is avoided.
Example 2: unlike embodiment 1, as shown in fig. 14 to 17, the first pulling member 20 of the present embodiment includes: the connecting rod I24 and the connecting rod II 26 are connected through bolts, the cross section of the connecting rod I24 is T-shaped, the right-angle end of the connecting rod I24 is clamped in a clamping groove of the wall-connected embedded part 10, a bolt hole is formed in the other end of the connecting rod I24, the cross section of the connecting rod II 26 is Y-shaped, bolt holes with the same inner diameter as that of the bolt holes of the connecting rod I24 are formed in U-shaped notches of the connecting rod II 26 respectively, the connecting rod II 26 can be sleeved on the connecting rod I24 and is movably connected through fastening bolts 25 sequentially penetrating through the bolt holes, the connecting rod II 26 can rotate around the connecting rod I24 by taking the bolt holes as centers, bolt holes with the same inner diameter as that of a second bolt hole 33 of the second tie member 30 are formed in the extending end of the connecting rod II 26, and the; as shown in fig. 16, one end of the first tie member 20 is fastened to the fastening groove of the wall-connecting embedded part 10, and the other end of the first tie member 20, i.e. the extending end of the second connecting rod 26, passes through the transverse seam 5 between two pre-installed adjacent curtain wall unit plates 3 and extends to the outer side of the vertical plane of the curtain wall unit plates 3 to be connected with the second tie member 30 by bolts, as shown in fig. 17, after the scaffold frame body 4 is removed, the second connecting rod 26 of the first tie member 20 is rotated counterclockwise, so that the second connecting rod 26 can be hidden inside the vertical plane of the curtain wall unit plates 3, when the building needs to be repaired and renovated later, the constructor can conveniently pull out the second connecting rod 26 to realize the in-situ tie of the scaffold frame body 4 again without repeatedly positioning and disassembling the in-situ tie device, so that the scaffold in-situ tie device of the present invention has the characteristic of serving the whole life cycle of the building, the utilization rate of the equipment is improved.
Better, still be equipped with stopper 27 on the connecting rod 24 of first drawknot piece 20, can avoid two 26 excessive rotations of connecting rod, when the later stage scaffold frame body 4 normal position drawknot once more of being convenient for, constructor can pull out two 26 connecting rods fast.
Example 3:
the scaffold of the present invention is described with reference to fig. 1 to 17, it includes scaffold frame body 4 that sets up with building basic unit 1 interval, connect scaffold frame body 4 and building basic unit 1 between scaffold frame body and the scaffold in situ drawknot system as in the foregoing embodiment 3, scaffold in situ drawknot system includes a plurality of scaffold in situ drawknot devices and a plurality of scaffold wall connecting members 8, scaffold frame body 4 is by pole setting, horizontal pole, horizontal bridging, vertical bridging and fastener etc. constitute, because scaffold frame body 4's structure and connection are prior art content, this is no longer repeated here.
The utility model discloses a scaffold, set up the scaffold frame body 4 in the building basic unit 1 outside including the interval, connect a plurality of scaffold normal position drawknot devices and a plurality of scaffold even wall spare 8 between scaffold frame body 4 and building basic unit 1, when scaffold even wall spare 8 is located the horizontal projection region of curtain unit plate 3 of preinstallation, replace the conventional drawknot point of scaffold even wall spare 8 to the position of horizontal seam 5 between two adjacent curtain unit plate 3 of preinstallation by scaffold normal position drawknot device, therefore, when installing curtain unit plate 3, constructor needn't skip the position of scaffold even wall spare 8, the stone material curtain can realize from lower to upper in order of sequence installation, guaranteed stone material curtain wall surface smoothness and effectively controlled the width smoothness of horizontal seam 5; the scaffold in-situ drawknot device replaces the scaffold wall connecting piece 8 with conflicting positions in the construction process, so that the overall stability of the scaffold body 4 cannot be damaged after the scaffold wall connecting piece 8 with conflicting positions is dismantled, and the construction safety is guaranteed.
Example 4:
the construction process of installing the stone curtain wall by the scaffold of the present invention is described below with reference to fig. 11 to 13, and the specific steps are as follows:
s1: as shown in figure 1, a plurality of postposition embedded pieces 203 arranged according to the positions of preinstalled main keels 201 are anchored on a reinforced concrete beam column of a building base layer 1 through chemical anchor bolts, the main keels 201 and secondary keels 202 are arranged on the outer side of the building base layer 1, the main keels 201 are fixed on the postposition embedded pieces 203 through angle connectors 204, the secondary keels 202 are arranged according to a dry hanging mode of a stone curtain wall, stone hangers 6 are connected to the secondary keels 202 through bolts, a frame structure formed by the main keels 201 and the secondary keels 202 is a fixed foundation of a curtain wall unit plate 3, after the main keels 201 and the secondary keels 202 are fixed, the position of a transverse joint 5 between two adjacent curtain wall unit plates 3 can be more accurately positioned, therefore, the accurate positioning of the main keels 201 and the secondary keels 202 directly determines the installation position of a scaffold in-situ pulling device of the scaffold in-situ pulling system, the scaffold comprises cross bars, horizontal cross braces, vertical cross braces, fasteners and the like, and of course, other forms of scaffolds can be adopted; a plurality of scaffold wall connecting pieces 8 are installed between a building base layer 1 and a scaffold frame body 4, embedded steel plates 81 of the scaffold wall connecting pieces 8 are embedded in the building base layer 1, one end of a wall connecting rod 82 of the scaffold wall connecting pieces 8 is connected with the embedded steel plates 81, the other end of the wall connecting rod 82 passes over a main keel 201 and a secondary keel 202 and is connected with vertical rods or/and cross rods of the scaffold frame body 4 through right-angle fasteners, curtain wall unit plates 3 are installed layer by layer from bottom to top, and the curtain wall unit plates 3 are connected with the secondary keel 202 through stones 6;
s2: when the pre-installed curtain wall unit plate 3 is provided with the scaffold wall connecting piece 8 in the horizontal projection area on the building base layer 1, that is, when the pre-installed curtain wall unit plate 3 collides with the scaffold wall connecting piece 8 in position, the scaffold in-situ tie device as described in the foregoing embodiment 1 or 2 is used to replace the original scaffold wall connecting piece 8, as shown in fig. 11, first, the installation position of the scaffold in-situ tie device corresponding to the transverse joint 5 between the two pre-installed adjacent curtain wall unit plates 3, that is, the new tie point of the scaffold frame body 4 is determined on the building base layer 1, the wall connecting piece 10 is fixed at the installation position of the scaffold in-situ tie device, one end of the first tie piece 20 is clamped in the clamping groove of the wall connecting embedded piece 10, and the other end of the first tie piece 20 passes over the main keel 201 and the secondary keel 202, passes through the transverse joint 5 between the two pre-installed adjacent curtain wall unit plates 3, and extends to the outer vertical surface of the curtain wall unit plate 3 Laterally, one end of a second tie member 30 is connected with the end part of the first tie member 20 extending to the outer side of the vertical face of the curtain wall unit plate 3 through a bolt, and the other end of the second tie member 30 is fixedly connected with a vertical rod or/and a cross rod of the scaffold body 4 through a right-angle fastener;
s3: and (3) dismantling the scaffold wall connecting piece 8 positioned in the horizontal projection area of the pre-installed curtain wall unit plate 3 on the building base layer 1, and connecting the pre-installed curtain wall unit plate 3 to the frame structure formed by the main keel 201 and the secondary keel 202 through the stone hanging piece 6. The concrete structure and connection relationship of the stone pendant 6 are the content of the prior art, and are not described in detail.
To sum up, firstly, a plurality of scaffold wall connecting pieces 8 are installed between a building base layer 1 and a scaffold frame body 4, so that the scaffold frame body 4 is stably supported on the building base layer 1, curtain wall unit plates 3 are installed layer by layer from bottom to top, when the pre-installed curtain wall unit plates 3 are provided with the scaffold wall connecting pieces 8 in the horizontal projection area on the building base layer 1, the pulling points of the scaffold wall connecting pieces 8 are reset, the installation position of the scaffold in-situ pulling device corresponds to the position of the transverse joint 5 between two pre-installed adjacent curtain wall unit plates 3, so as to determine the new pulling points, the wall connecting embedded pieces 10 are fixed on the new pulling points on the building base layer 1, one end of a first pulling piece 20 is clamped in the clamping grooves of the wall connecting embedded pieces 10, and the other end thereof passes through the positions of a main keel 201, a secondary keel 202 and the transverse joint 5 and is bolted with a second pulling piece 30, the other end of the second tie member 30 is connected with the scaffold frame body 4, then the scaffold wall connecting member 8 with conflicting positions in the horizontal projection area of the curtain wall unit plate 3 is dismantled, and the curtain wall unit plates 3 are continuously installed in sequence; by adopting the construction method, the curtain wall unit plates 3 only need to be pre-grooved at the installation positions, and the stone hangers 6 are inserted into the installation positions and are bonded and fixed on site, so that the curtain wall unit plates 3 are installed in sequence from bottom to top, the operation is simple, convenient and quick, a stone cutting method and a piece picking installation method are thoroughly cancelled, potential safety hazards are avoided, and the firmness of the installation of the stone curtain wall is improved; moreover, the curtain wall unit plates 3 are installed in sequence by adopting the method without avoiding the scaffold wall connecting piece 8, so that the problems of flatness of the stone curtain wall and deviation of a transverse joint 5 caused by hole patching type installation can be avoided, the integral effect of the installation of the stone curtain wall is ensured, and the installation quality of the stone curtain wall is improved; in addition, the installation process of the stone curtain wall does not need to dismantle the scaffold frame body 4, the overall stability of the scaffold frame body 4 can not be damaged, and the construction safety is guaranteed.
The construction method further includes step S4: after the whole installation of the stone curtain wall is completed, the scaffold body 4 is dismantled, when the scaffold body 4 is dismantled to the position of the scaffold in-situ tie device, firstly, a right-angle fastener between the second tie member 30 and the scaffold body 4 is loosened, the tension of the second tie member 30 on the scaffold body 4 is released, the subsequent dismantling is facilitated, then, the bolt connection between the first tie member 20 and the second tie member 30 is loosened, the second tie member 30 is taken down, the first tie member 20 is slowly and horizontally slid towards the left side or the right side along the transverse joint 5, the first tie member 20 is made to slide out of the clamping groove of the wall-connected embedded part 10, the first tie member 20 is taken out through the transverse joint 5, the first tie member 20 and the second tie member 30 are made to be recycled, and the material cost is further reduced; or, the second connecting rod 26 of the first tie member 20 is rotated, so that the second connecting rod 26 can be hidden inside the vertical surface of the curtain wall unit plate 3, which is convenient for the secondary utilization of the scaffold in-situ tie device.
Step S4 includes joint caulking uniformly after the whole installation of the stone curtain wall, including cleaning water, mortar, dust, etc. between the gaps of two adjacent curtain wall unit plates 3, ensuring cleanness and dryness, embedding a polyvinyl chloride foam rod with a diameter of 7mm between the gaps, then sticking protective tapes on both sides of the gaps, injecting structural sealant into the gaps to make them uniformly full, removing the redundant glue on the surface of the glue joints after the glue is solidified, making the glue joints flat and smooth and consistent in depth, finally tearing off the protective tapes and wiping off the pollutants; wherein, reserve the not gluing region of width at least 100mm respectively in first drawknot piece 20 both sides, be convenient for follow-up first drawknot piece 20 along 5 horizontal sliding of horizontal seam and take out from this, treat scaffold frame body 4, second drawknot piece 30 and first drawknot piece 20 and demolish the back in proper order, again to the above-mentioned not gluing region carry out the construction of mending glue, both accelerated the on-the-spot installation progress of stone material curtain and promoted the installation quality again.
In step S1, the installation position of the scaffold in-situ tie device is located, and the steps are as follows: and popping a horizontal line parallel to the central line of the transverse joint 5 on the building base layer 1, determining a vertical line between two adjacent vertical rods of the scaffold body 4, wherein the intersection point of the horizontal line and the vertical line is the installation position of the scaffold in-situ tie device, namely a new tie point.
In step S2, after the buckling portion 22 of the first tie member 20 is buckled to the buckle groove of the wall-connected embedded part 10, it is necessary to check whether the position of the transverse joint 5 is aligned with the first tie member 20 again, if not, the position of the transverse joint 5 is finely adjusted in the horizontal direction by using the strip hole 14 of the wall-connected embedded part 10, or the first tie member 20 buckled in the buckle groove of the wall-connected embedded part 10 is finely adjusted in the vertical direction until the position of the transverse joint 5 is aligned with the first tie member 20, and then the second tie member 30 is installed, so that the first tie member 20 can horizontally penetrate through the transverse joint 5 between two adjacent curtain wall unit plates 3, thereby preventing the first tie member 20 from rubbing and colliding with the edge of the stone material at the transverse joint.
In step S2, one end of the second tie member 30 is bolted to the end of the first tie member 20 that extends to the outer side of the vertical surface of the curtain wall unit plate, and the bolt is screwed but not screwed, and after the other end of the second tie member 30 is connected and fixed to the vertical rod or/and the horizontal rod of the scaffold body 4 through the right-angle fastener, the bolt between the first tie member 20 and the second tie member 30 is screwed.
The above description is only for the purpose of describing the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention, so that any changes and modifications made by those skilled in the art according to the above disclosure are all within the scope of the appended claims.
Claims (9)
1. A scaffolding in situ tie system, comprising: a plurality of in-situ tie devices and a plurality of scaffold wall connecting members connected between the building base and the scaffold frame body;
the in-situ tie device comprises:
the wall-connecting embedded part is fixedly connected to a building base layer, the central line of the wall-connecting embedded part along the horizontal direction corresponds to the central line of the transverse joint between two adjacent pre-installed curtain wall unit plates, and the wall-connecting embedded part is also provided with a clamping groove;
one end of the first pulling piece is buckled in the clamping groove of the wall-connecting embedded part, and the other end of the first pulling piece passes over the main keel and the secondary keel, passes through a transverse joint between two pre-installed adjacent curtain wall unit plates and extends to the outer side of the vertical face of the curtain wall unit plate;
one end of the second pulling piece is movably connected with the end part of the first pulling piece, extending to the outer side of the vertical face of the curtain wall unit plate, and the other end of the second pulling piece is connected with a scaffold;
the scaffold wall connecting piece comprises:
the embedded steel plate is connected to the building base layer;
and one end of the wall connecting rod is connected with the embedded steel plate, and the other end of the wall connecting rod crosses the main keel and the secondary keel and is connected with the scaffold body.
2. The scaffold in situ tie system of claim 1, wherein: the wall-connecting embedded part is composed of a bottom plate and a pair of clamping plates which are fixedly connected to the bottom plate, are spaced and are arranged oppositely, the bottom plate is anchored to the building base layer, a C-shaped clamping groove formed by the clamping plates and the bottom plate and arranged in the horizontal direction is used for clamping the first tie piece, and the cross section of each clamping plate is L-shaped or U-shaped.
3. The scaffold in situ tie system of claim 2, wherein: the bottom plate of the wall-connecting embedded part is provided with at least two strip holes, the strip holes are respectively positioned at two sides of the clamping plate, the central line of the long axis of the strip holes is parallel to the central line of the clamping groove, and the bottom plate is fixed on the building base layer through a chemical anchor bolt penetrating through the strip holes.
4. The scaffold in situ tie system of claim 3, wherein: at least two of the elongated holes are arranged in a staggered manner.
5. The scaffold in situ tie system of claim 1, wherein: the cross section of the first tie part is T-shaped and comprises a connecting part and a clamping part, one end of the connecting part is vertically fixed on the clamping part, the clamping part of the first tie part is matched with the clamping groove of the wall-connected embedded part, so that the first tie part can be clamped in the wall-connected embedded part, the other end of the connecting part is further provided with a first bolt hole for connecting with the second tie part through a bolt, and the first tie part is made of a steel plate with the thickness smaller than the width of the transverse joint.
6. The scaffold in situ tie system of claim 5, wherein: the second drawknot piece comprises base plate and connecting rod, the one end of base plate be equipped with the second bolt hole that first bolt hole internal diameter is the same, make the base plate can with the tip bolted connection of first drawknot piece, the one end overlap joint of connecting rod in base plate and welded fastening, the other end and the scaffold frame body of connecting rod are connected.
7. The scaffold in situ tie system of claim 6, wherein: the lap joint length L of the connecting rod and the base plate is more than or equal to 100 mm.
8. The scaffold in situ tie system of claim 1, wherein: the first tie member comprises a first connecting rod and a second connecting rod which are connected through bolts, the cross section of the first connecting rod is T-shaped, the right-angle end of the first connecting rod is clamped in a clamping groove of the wall-connected embedded part, the other end of the first connecting rod is provided with a bolt hole, the cross section of the second connecting rod is Y-shaped, a U-shaped groove of the second connecting rod is provided with bolt holes with the same inner diameter as the first connecting rod, the second connecting rod can be sleeved on the second connecting rod, the connecting rod is movably connected through fastening bolts which penetrate through the bolt holes in sequence, the second connecting rod can use the bolt holes to center on the first connecting rod for rotation, and the extending end of the second connecting rod is fastened and fixed by bolts.
9. The scaffold in situ tie system of claim 8, wherein: and a first connecting rod of the first pulling piece is also provided with a limiting block.
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| CN201822072060.0U CN209837652U (en) | 2018-12-11 | 2018-12-11 | Scaffold normal position drawknot system and scaffold |
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| CN201822072060.0U CN209837652U (en) | 2018-12-11 | 2018-12-11 | Scaffold normal position drawknot system and scaffold |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109457939A (en) * | 2018-12-11 | 2019-03-12 | 上海市建筑装饰工程集团有限公司 | A kind of scaffold original position drawknot system and scaffold |
| CN109457937A (en) * | 2018-12-11 | 2019-03-12 | 上海市建筑装饰工程集团有限公司 | Scaffold original position drawknot device, scaffold original position drawknot system and scaffold |
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2018
- 2018-12-11 CN CN201822072060.0U patent/CN209837652U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109457939A (en) * | 2018-12-11 | 2019-03-12 | 上海市建筑装饰工程集团有限公司 | A kind of scaffold original position drawknot system and scaffold |
| CN109457937A (en) * | 2018-12-11 | 2019-03-12 | 上海市建筑装饰工程集团有限公司 | Scaffold original position drawknot device, scaffold original position drawknot system and scaffold |
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