CN109914776B - Outer protective structure of assembled building overhang balcony position - Google Patents
Outer protective structure of assembled building overhang balcony position Download PDFInfo
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- CN109914776B CN109914776B CN201910356630.5A CN201910356630A CN109914776B CN 109914776 B CN109914776 B CN 109914776B CN 201910356630 A CN201910356630 A CN 201910356630A CN 109914776 B CN109914776 B CN 109914776B
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Abstract
The invention relates to an assembled building overhanging balcony position outer protective structure, which comprises a vertical precast shear wall, wherein the precast shear wall is provided with a balcony floor surface overhanging the outer side surface of the precast shear wall, and the outer side surface of the precast shear wall is connected with two outer protective frames; the outer protective frame comprises a horizontal pedal, the upper surface of the pedal is connected with a vertical positive guard plate, and the positive guard plate is level with one side surface of the pedal far away from the prefabricated shear wall; two outer protection frames are located respectively the both ends of balcony floor face, footboard and balcony floor face parallel and level, just the one end that the backplate is close to the balcony floor face extends there is the extension backplate that is used for protecting balcony floor face and corresponds the end, can dismantle through the connecting piece between two extension backplate and be connected with vertical outer guard plate, outer guard plate and the overhanging side parallel and level of balcony floor face are in order to be used for the protection in the balcony floor face outside. The overhanging balcony enclosure structure is simpler, the outer protection frame and the outer protection plate are detachable, the safety is ensured, and the construction is convenient.
Description
Technical Field
The invention belongs to the technical field of building protection, and particularly relates to an outer protection structure for an overhanging balcony position of an assembled building.
Background
In the construction process of the assembled building, the outer protection system can be in the form of a cantilever scaffold, a floor type steel pipe scaffold, a fixed type attaching protection frame, an integral operating platform, an integral attaching lifting protection frame, a tool type scaffold and the like. The cantilever scaffold and the floor type steel pipe scaffold are in a traditional mode, and have the defects of limited height, difficult construction, overlarge reserved holes of walls and the like, and the integral scaffold is complex in structure and operation and high in requirement. The tool type outer protective frame of the tool type scaffold is more commonly used at present, and related use standards exist, and related use standards in the prior art also relate to the following steps: CN206376507U, CN108756196A, CN207110421U, CN106677509A, CN108868096a, but the related outer protecting frames are all connected to the outside of the wall, and are connected with a circle of outer protecting frames on the outside of the wall of the building for use, and in the positions of overhanging structures like air conditioner placing plates and balconies, the corresponding outer protecting frames are relatively lacking, and CN106677509a discloses a structure of a projection window outer protecting frame, specifically designed for the projection window, and additionally specifically designed for supporting the outer protecting frames, such as a cantilever frame, a screw, a bolt, an inverted U-shaped clamp, a channel steel, and the like, and also needs to be implemented by combining with the special structures of the wall, which is relatively complex and has poor applicability; in addition, the related outer protective frame has the problems of inconvenient construction and imperfect design consideration; further improvements and optimizations are needed.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the peripheral protection structure for the overhanging balcony position of the assembled building, which has the advantages of simple structure and convenient construction.
In order to solve the technical problems, the invention adopts the following technical scheme:
the outer protection structure comprises a vertical prefabricated shear wall, wherein balcony floor surfaces which are suspended and extend out of the outer side surfaces of the prefabricated shear wall are arranged on the prefabricated shear wall, and the outer side surfaces of the prefabricated shear wall are connected with two outer protection frames; the outer protection frame comprises a horizontal pedal, the upper surface of the pedal is connected with a vertical front protection plate, and the front protection plate is flush with one side surface of the pedal far away from the prefabricated shear wall so as to play a role in protecting constructors on the pedal; the two outer protection frames are respectively located at two ends of the balcony floor surface, the pedals are flush with the upper surface of the balcony floor surface, one end of the positive protection plate, which is close to the balcony floor surface, is extended to be provided with an extension protection plate for protecting the corresponding end of the balcony floor surface, the two extension protection plates are detachably connected with vertical outer protection plates through connecting pieces, and the outer protection plates are flush with the overhanging side surface of the balcony floor surface so as to be used for protecting the outer side of the balcony floor surface.
The technical scheme is further perfected, the connecting pieces are arranged on the extension guard plates, two connecting pieces are arranged on one extension guard plate and are arranged at vertical intervals, each connecting piece comprises a horizontal rib and a vertical rib which are connected to form an L shape, the free ends of the horizontal ribs are connected with the extension guard plates, the horizontal ribs and the balcony floor face extend out of the prefabricated shear wall in the same direction to form a hook shape, the positions, corresponding to the four connecting pieces, on the outer guard plates are provided with through cavities, the horizontal ribs of the connecting pieces penetrate through the corresponding cavities, and the vertical ribs are located on the outer sides of the outer guard plates so as to hang the outer guard plates between the two extension guard plates.
Further, the outer protection plate comprises a square frame, the square frame comprises an upper transverse rib, a lower transverse rib and vertical connecting ribs at two ends, a second upper transverse rib and a second lower transverse rib are further connected between the two vertical connecting ribs, a steel wire mesh is arranged in a frame formed by the two vertical connecting ribs, the second upper transverse rib and the second lower transverse rib, and gaps between the upper transverse rib and the second upper transverse rib and between the lower transverse rib and the second lower transverse rib form a hollow cavity.
Further, the lower surface of footboard is connected with two at least tripods, and each tripod sets up along the length direction interval of footboard, the tripod is including linking to each other vertical channel-section steel and the horizontal channel-section steel that is the shape of falling L, and the web of horizontal channel-section steel links to each other with the lower surface of footboard, and the web of vertical channel-section steel is close to a side parallel and level of prefabricated shear force wall and with the lateral surface looks butt of prefabricated shear force wall with the footboard, and the web vertical interval of vertical channel-section steel is equipped with two through-holes, corresponds to the through-hole has the wall through-hole prefabricated on prefabricated shear force wall, passes in proper order through-wall bolt wall through-hole and threaded connection nut bolt with vertical channel-section steel in the outside of prefabricated shear force wall, still be equipped with flexible rope on the vertical channel-section steel, flexible rope with the nut links to prevent to dismantle the back nut and drop.
Further, the nut comprises a nut body, a protruding edge is arranged around one end face of the nut body, two through holes are horizontally arranged on the protruding edge at intervals, a rotation-making bolt is movably arranged in each through hole in a penetrating mode, and the screw end of the rotation-making bolt is connected to a web plate of the vertical channel steel.
Further, the through holes and the perforations are kidney-shaped grooves, and the lengths of the through holes and the perforations are in the same direction so as to facilitate fine adjustment of the connection positions with the prefabricated shear wall.
Further, the flexible cord is an iron chain.
Further, the wall penetrating hole is a frustum-shaped hole with a large diameter outside and a small diameter inside.
Compared with the prior art, the invention has the following beneficial effects:
1. the outer protection structure is implemented by combining the relatively mature outer protection frame, the corresponding end of the balcony building board surface is protected by the extending protection plate which extends from the front protection plate to the end close to the balcony building board surface, the outer protection plate connected between the two extending protection plates is used for protecting the outer side of the balcony building board surface, the structure is simpler, the outer protection plate is detachable, the outer protection frame is convenient to detach and lift in the process of reusing, the outer protection structure formed by the two extending protection plates and the outer protection plate does not influence the passing of constructors on the pedal and the balcony building board surface during construction, and the safety and convenience in construction are ensured.
2. The external protection frame has more perfect functional design, the nut is limited by the flexible rope and always keeps a connection state with the vertical channel steel after the through-wall bolt and the nut are in threaded connection in the assembly and disassembly process, the nut is not in an independent form, the problem that the nut is easy to drop or lose after the bolt is disassembled is avoided, the nut is connected with the vertical channel steel through the flexible rope during repeated use, the nut does not need to be newly equipped or found, convenience is brought to repeated use, the construction is convenient, the potential safety hazard of personnel injury caused by the drop of the nut during disassembly is also eliminated, and the safety is improved.
3. When the outer protective frame is connected with a wall body, the wall penetrating bolts have a small amount of activity in the conical wall penetrating holes, only one side is required to rotate the wall penetrating bolts, and the other side is not required to stabilize nuts so as to finish the initial connection (connection) of the two threads, the nuts can be compensated and found through the activity, and the nuts are not required to be turned (in the connection and disassembly processes), so that the operation process is simplified, and the construction efficiency is improved; and the manufacturing is simple, the materials are easy to obtain, and the manufacturing cost is low.
Drawings
FIG. 1 is a schematic structural view of an outer protective structure for a cantilever balcony of an assembled building according to the first embodiment;
fig. 2-top view of fig. 1;
fig. 3-left side view of fig. 1;
fig. 4-a partial enlarged view of fig. 3;
5-3;
fig. 6-a preferred structural schematic diagram of the outer shield in the first embodiment;
fig. 7-a schematic view of the relevant structure of the vertical channel of the tripod in the first embodiment;
fig. 8-7 are top views;
fig. 9-left side view of fig. 7;
FIG. 10 is a schematic structural view of an outer protective structure for a cantilever balcony of an assembled building according to a second embodiment;
the prefabricated shear wall 1, a wall penetrating hole 11, a balcony floor surface 2, a overhanging lateral surface 21, an outer protection frame 3, a pedal 31, a front protection plate 32, an extension protection plate 33, a connecting piece 34, a horizontal rib 341, a vertical rib 342, a vertical section 343, an outer protection plate 4, a cavity 41, an upper transverse rib 42, a lower transverse rib 43, a vertical connecting rib 44, a second upper transverse rib 45, a second lower transverse rib 46, a steel wire mesh 47, a tripod 5, a vertical channel steel 51, a horizontal channel steel 52, an inclined support rib 53, a horizontal connecting rib 54, a through hole 55, a wall penetrating bolt 6, a nut 7, a nut body 71, a convex edge 72, a perforation 73, a turning bolt 74 and a flexible rope 8.
Detailed Description
The following describes the embodiments of the present invention in further detail with reference to the drawings.
Example 1
Referring to fig. 1-3, an outer protection structure for an overhanging balcony position of an assembled building in a first embodiment comprises a vertical precast shear wall 1, wherein a balcony floor surface 2 overhanging and protruding out of the outer side surface of the precast shear wall 1 is arranged above the precast shear wall 1, and two outer protection frames 3 are connected to the outer side surface of the precast shear wall 1; the outer protection frame 3 comprises a tripod 5 and a horizontal pedal 31, the pedal 31 is connected with the precast shear wall 1 through the tripod 5 connected to the lower surface of the pedal 31, the upper surface of the pedal 31 is connected with a vertical front guard plate 32, the front guard plate 32 is equal to the pedal 31 in length, and the front guard plate 32 and the pedal 31 are flush with one side surface of the precast shear wall 1 away from the precast shear wall 1 so as to play a role in protecting constructors on the pedal 31; the two outer protection frames 3 are respectively positioned at the left end and the right end of the balcony floor surface 2, the pedals 31 are flush with the upper surface of the balcony floor surface 2, and the two pedals 31 are respectively abutted against the two ends of the balcony floor surface 2; the extension backplate 33 that is used for protecting balcony building board face 2 corresponding end is extended to the one end that just backplate 32 is close to balcony building board face 2, and extension backplate 33 is high with just backplate 32, and under the general circumstances, the length of balcony building board face 2 overhang prefabricated shear force wall 1 lateral surface is greater than the width of footboard 31, and in this embodiment, extension backplate 33 is perpendicular and to keeping away from prefabricated shear force wall 1 direction extension with just backplate 32, and the free end of extension backplate 33 and the overhang side 21 parallel and level of balcony building board face 2, can dismantle through connecting piece 34 between two extension backplate 33 and be connected with vertical outer guard plate 4, outer guard plate 4 and the overhang side 21 parallel and level of balcony building board face 2 are in order to be used for the protection in balcony building board face 2 outside.
The first embodiment of the outer protection structure is implemented in combination with the relatively mature outer protection frame 3, the corresponding end of the balcony floor surface 2 is protected by the extension protection plate 33 extending from the end of the front protection plate 32 close to the balcony floor surface 2, the outer protection plate 4 connected between the two extension protection plates 33 is used for protecting the outer side of the balcony floor surface 2, the structure is simpler, the outer protection plate 4 can be detached, the disassembly and lifting are more convenient in the process of reusing the outer protection frame 3, and the outer protection structure formed by the two extension protection plates 33 and the outer protection plate 4 does not influence the passing of constructors on the pedal 31 and the balcony floor surface 2 during construction, so that the safety is ensured and the construction is convenient.
Referring to fig. 4, the connectors 34 are disposed on the free end surface of the extension guard plates 33, two connectors 34 are disposed on one extension guard plate 33 and are disposed at vertical intervals, the connectors 34 include L-shaped horizontal ribs 341 and vertical ribs 342 connected to each other, the free ends of the horizontal ribs 341 are connected to the extension guard plates 33, the four connectors 34 are located on the same vertical surface, i.e., the connection positions of the four connectors 34 and the corresponding extension guard plates 33 are located on the same vertical surface, are all flush with the overhanging side surface 21 of the balcony floor surface 2, the horizontal ribs 341 are in the same direction as the direction of overhanging the balcony floor surface 2 from the prefabricated shear wall 1 to form a hook shape, the outer guard plate 4 has a flat plate structure, the positions of the outer guard plates 4 corresponding to the four connectors 34 are respectively provided with through cavities 41, the horizontal ribs 341 of the connectors 34 pass through the corresponding cavities 41, the vertical ribs 342 are located on the outer sides of the outer guard plates 4, and the outer guard plates 4 fall on the respective horizontal ribs 341 by self weight to be hung between the two extension guard plates 33; the vertical dimension of the cavity 41 should be greater than that of the connector 34 so as to be detached outwards along the direction of the horizontal rib 341 after lifting the outer protection plate 4, and the hooking is performed reversely, so that the thickness of the outer protection plate 4 preferably corresponds to the distance between the vertical rib 342 and the end surface of the extension protection plate 33 to reduce the shaking amount after the outer protection plate 4 is hooked.
In this way, a specific structure of detachable connection is provided, and the outer protection plate 4 is convenient and reliable to be hung; in practice, the shape of the plate surface of the outer protection plate 4 can correspond to the shape of the overhanging side surface 21 of the balcony floor surface 2, and is not necessarily in a flat plate form, so long as the four corners are connected with the connection; in practice, the connecting piece 34 is bent by a steel bar and welded on the extension guard plate 33, and when the connecting piece 34 is manufactured by the bent steel bar, the connecting piece 34 can also be Z-shaped as shown in fig. 5, and the welding connection length with the extension guard plate 33 is increased by a plurality of bent vertical sections 343, so that the connection strength of the connecting piece 34 and the extension guard plate 33 is ensured.
Referring to fig. 6, optionally, the outer protection plate 4 includes a square frame, the square frame includes an upper transverse rib 42, a lower transverse rib 43, and two vertical connection ribs 44 connected at two ends of the upper transverse rib 42, a second upper transverse rib 45 and a second lower transverse rib 46 are further connected between the two vertical connection ribs 44, the second upper transverse rib 45 is adjacent to, parallel to and below the upper transverse rib 42, the second lower transverse rib 46 is adjacent to, parallel to and above the lower transverse rib 43, a steel wire mesh 47 is disposed in the frame formed by the two vertical connection ribs 44, the second upper transverse rib 45 and the second lower transverse rib 46, and gaps between the upper transverse rib 42 and the second upper transverse rib 45 and between the lower transverse rib 43 and the second lower transverse rib 46 are formed into the cavity 41.
In this way, the preferable structure of the outer protection plate 4 is provided, the structure is light, the manufacture is simple, the hanging connection with the connecting piece 34 is reliable, the horizontal displacement of the outer protection plate 4 can be limited by the cooperation of the two vertical connecting ribs 44 and the horizontal ribs 341 of the connecting piece 34, and the use safety is ensured.
Referring to fig. 3 and 7-9, wherein, the lower surface of footboard 31 is connected with two tripods 5, two tripods 5 are along the length direction interval setting of footboard 31, tripod 5 is including linking to each other vertical channel-section steel 51 and the horizontal channel-section steel 52 that are the reverse L shape, the web of horizontal channel-section steel 52 links to each other and perpendicular to the length direction of footboard 31 with the lower surface of footboard 31, the web of vertical channel-section steel 51 is close to prefabricated shear wall 1 with footboard 31 side parallel and level and with prefabricated shear wall 1's lateral surface looks butt, vertical interval is equipped with two through-holes 55 on the web of vertical channel-section steel 51, correspond to through-hole 55 prefabricated wall through-hole 11 on prefabricated shear wall 1, pass in proper order through wall through-hole 11 and through-hole 55 and threaded connection nut 7 with vertical channel-section steel 51 latch in the outside of prefabricated shear wall 1, namely outside that outer frame 3 links firmly in prefabricated shear wall 1, still be equipped with flexible rope 8 on the vertical channel-section steel 8 with nut 7 is continuous in order to prevent that dismantlement nut 7 from dropping.
Therefore, the outer protection frame 3 can be repeatedly used, in the process of matching the through-wall bolt 6 and the nut 7, the connection and the disassembly are respectively constructed manually from two sides of the wall body, the bolt is rotated on one side, the nut 7 is rotated on the other side, the operation process is troublesome, particularly after the disassembly, the nut 7 matched with the through-wall bolt 6 is in an independent state, and is easy to drop or lose, so that the inconvenience is caused when the nut is reused, and the hidden danger of dropping to injury is also caused. After this embodiment passes through flexible rope 8 and connects vertical channel-section steel 51 and nut 7 respectively, when dismantling, after wearing wall bolt 6 and nut 7 to disengage threaded connection, nut 7 is restricted by flexible rope 8, remain connected state with vertical channel-section steel 51 all the time, nut 7 is not independent monomer form, avoided dismantling the problem that nut 7 easily drops or loses after the bolt, be convenient for accomodate, when repeatedly used, nut 7 is connected on vertical channel-section steel 51 through flexible rope 8, need not to be equipped with again or look for nut 7, for repeatedly used convenience, convenient construction has also been eliminated and has dropped the potential safety hazard that causes personnel to hurt when dismantling nut 7, the security is improved.
The nut 7 includes a nut body 71, a flange 72 is disposed around an end surface of the nut body 71, two through holes 73 are horizontally spaced apart from each other on the flange 72, and are specifically located at two sides of the nut body 71, a rotation bolt 74 is movably disposed in the through holes 73 in a penetrating manner, a screw end of the rotation bolt 74 is connected to a web plate of the vertical channel steel 51, and is specifically in threaded connection with an internal threaded hole correspondingly disposed on the web plate, the internal threaded hole is preferably a blind hole so as to determine a screwing depth of the rotation bolt 74 and facilitate screwing, and the nut body 71 and the flange 72 can slide along a length direction of the rotation bolt 74.
Thus, in the process of connecting and disassembling the through-wall bolt 6 and the nut 7, only the through-wall bolt 6 needs to be rotated on one side, and the nut 7 does not need to be stabilized on the other side so as to finish the initial connection (during connection) of the two threads, the nut 7 does not need to be rotated (during connection and disassembly), the operation process is simplified, and the construction efficiency is improved. In practice, the flange 72 may be a circular or other shape, in this embodiment, a circular steel plate, and a hole for connecting with the nut body 71 is formed on the flange 72 so as to be sleeved on the outer side of the nut body 71 and fixedly connected by welding. The hole for connecting with the nut body 71 may be slightly larger than the large diameter of the internal threaded hole of the nut body 71, and then the end surface of the nut body 71 is abutted against the flange 72 and welded and fixed with the coaxiality maintained, so that the use effect can be achieved.
Wherein, the through holes 55 and the perforations 73 are kidney-shaped grooves (also called kidney-shaped holes) and the grooving length directions are the same so as to facilitate fine adjustment of the connection position with the prefabricated shear wall 1. In this embodiment, the slots forming the through hole 55 and the through hole 73 are vertical, the slot width of the slot forming the through hole 73 is smaller than the inscribed circle diameter of the regular hexagonal head of the rotation-making bolt 74, and is larger than the external thread major diameter of the screw rod end of the rotation-making bolt 74, so that the movable connection effect can be ensured, and the nut body 71 and the protruding edge 72 are prevented from slipping. The kidney-shaped groove is for the position of the through-wall hole 11 on the prefabricated shear wall 1 relatively, and the position of the outer protective frame 3 can be finely adjusted to meet construction size requirements, and is also the reason why the mode of directly fixing the nut 7 on the vertical channel steel 51 is not adopted, in addition, after the internal thread sliding tooth of the nut 7 is also convenient for in the mode of connecting the nut 7 by adopting the flexible rope 8, the nut 7 is replaced, and the mode of directly welding the nut 7 and the vertical channel steel 51 inevitably causes the inconvenience of replacing the nut 7. In practice, the slot width of the kidney-shaped slot formed as the through hole 55 should correspond to or be slightly larger than the major diameter of the shank segment of the through-wall bolt 6.
The flexible rope 8 is an iron chain, two ends of the flexible rope are respectively welded with the web plate of the vertical channel steel 51 and the convex edge 72, and specifically, one surface of the convex edge 72 facing the nut body 71 can be selected. Thus, the use effect is ensured, the service life of the flexible rope 8 is ensured, and the connection is simple and reliable.
The wall penetrating hole 11 is a frustum-shaped hole with a large diameter outside and a small diameter inside, so that when the wall penetrating bolt 6 is in bolt connection with the screw thread of the nut 7 in an initial mode, the wall penetrating bolt 6 can be adjusted to enable the screw rod end of the wall penetrating bolt to find the nut 7, when the screw threads of the wall penetrating bolt 6 and the nut 7 are in initial connection, only one side of the wall penetrating bolt 6 is required to rotate, the nut 7 does not need to be stabilized on the other side of the wall penetrating bolt, manual work is released, and construction is convenient.
In implementation, the step 31, the front guard plate 32 and the extension guard plate 33 may be hot rolled steel plates, and the connection mode may be welding or detachable connection, or may be steel mesh, corresponding to the steel mesh, a steel skeleton (steel skeleton) formed by welding longitudinal and transverse steel bars (square steel or angle steel) may be used, where the steel mesh is connected to the steel skeleton; the vertical channel steel 51 and the horizontal channel steel 52 of the tripod 5 are respectively provided with 45-degree inclined planes at the ends so as to be welded and connected into an L shape, and the web plate of the horizontal channel steel 52 is connected with the lower surface of the pedal 31, and can be welded or bolted. And an inclined support rib 53 is further connected between the vertical channel steel 51 and the horizontal channel steel 52, and a horizontal connecting rib 54 (the inclined support rib 53 and the horizontal connecting rib 54 are hidden in fig. 1 for the convenience of illustrating the nut 7) can be further connected between the middle part of the inclined support rib 53 and the vertical channel steel 51 so as to form a more stable tripod 5.
Example two
In the second embodiment, the shape of the prefabricated shear wall 1 and the positional relationship with the overhanging balcony floor surface 2 are different from those of the first embodiment, in the actual situation, referring to fig. 10, the balcony floor surface 2 is located near the corner of the prefabricated shear wall 1, one of the two outer protection frames 3 connected to the outer side surface of the prefabricated shear wall 1 is perpendicular to the balcony floor surface 2, that is, the outer protection frame 3 located at the left end of the balcony floor surface 2 is illustrated, the extending protection plate 33 extending near one end of the balcony floor surface 2 is L-shaped (overlooking), the connecting piece 34 is still disposed on the extending protection plate 33, specifically located on the end surface flush with the overhanging side surface 21 of the balcony floor surface 2, the outer protection plate 4 can be connected in the same structural form, the effect is achieved, the pedal 31 is correspondingly extended to be fully distributed in the space at the left end of the balcony floor surface 2 to avoid the step-down, the pedal 31 is also abutted against the end surface 2 of the balcony floor surface 2, and the safety of walking is ensured.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered by the scope of the claims of the present invention.
Claims (4)
1. The utility model provides an assembled building overhang balcony position peripheral protection structure, includes vertical prefabricated shear force wall (1), be equipped with balcony building board face (2) of overhanging prefabricated shear force wall (1) lateral surface on prefabricated shear force wall (1), the lateral surface of prefabricated shear force wall (1) is connected with two outer protection frames (3); the outer protection frame (3) comprises a horizontal pedal (31), the upper surface of the pedal (31) is connected with a vertical front protection plate (32), and the front protection plate (32) is flush with one side surface of the pedal (31) far away from the prefabricated shear wall (1) so as to play a role in protecting constructors on the pedal (31); the method is characterized in that: the two outer protection frames (3) are respectively positioned at two ends of the balcony floor surface (2), one end of the front protection plate (32) close to the balcony floor surface (2) is extended with an extension protection plate (33) for protecting the corresponding end of the balcony floor surface (2), the two extension protection plates are detachably connected with vertical outer protection plates (4) through connecting pieces (34), and the outer protection plates (4) are flush with overhanging lateral surfaces (21) of the balcony floor surface (2) so as to be used for protecting the outer side of the balcony floor surface (2);
the lower surface of footboard (31) is connected with two at least tripod (5), and each tripod (5) is along the length direction interval setting of footboard (31), tripod (5) are including linking to each other vertical channel-section steel (51) and horizontal channel-section steel (52) that are the reverse L shape, the web of horizontal channel-section steel (52) links to each other with the lower surface of footboard (31), the web of vertical channel-section steel (51) is close to one side parallel and level and with the lateral surface looks butt of precast shear wall (1) of precast shear wall (31) with footboard (31), the web vertical interval of vertical channel-section steel (51) is equipped with two through-holes (55), corresponding to through-hole (55) prefabricate wall hole (11) on precast shear wall (1), pass through wall hole (11) and through-hole (55) and threaded connection nut (7) in proper order through wall bolt (6), still be equipped with flexible rope (8) on vertical channel-section steel (51) with nut (7) in order prevent to drop nut (7) after dismantling;
the nut (7) comprises a nut body (71), a protruding edge (72) is arranged around one end face of the nut body (71), two through holes (73) are horizontally arranged on the protruding edge (72) at intervals, a rotation-making bolt (74) is movably arranged in each through hole (73) in a penetrating mode, and the screw end of each rotation-making bolt (74) is connected to a web plate of the corresponding vertical channel steel (51);
the through holes (55) and the perforations (73) are kidney-shaped grooves, and the grooving length directions of the through holes and the perforations are in the same direction so as to facilitate fine adjustment of the connection positions with the prefabricated shear wall (1);
the wall penetrating hole (11) is a frustum-shaped hole with a large diameter outside and a small diameter inside.
2. The prefabricated building overhanging balcony position outer protection structure according to claim 1, wherein: the utility model provides a connecting piece (34) is established on extending backplate (33), is equipped with two connecting pieces (34) and is vertical interval setting on extending backplate (33), connecting piece (34) are including linking to each other horizontal muscle (341) and vertical muscle (342) that are L shape, the free end of horizontal muscle (341) links to each other with extending backplate (33), the direction syntropy that horizontal muscle (341) and balcony building board face (2) overhang prefabricated shear wall (1) is in order to form the couple shape, cavity (41) that run through have been seted up in the position that corresponds four connecting pieces (34) on outer guard board (4), horizontal muscle (341) of connecting piece (34) pass corresponding cavity (41), vertical muscle (342) are located the outside of outer guard board (4) in order to articulate outer guard board (4) between two extending backplate (33).
3. The prefabricated building overhanging balcony position outer protection structure according to claim 2, wherein: the outer protection plate (4) comprises a square frame, the square frame comprises an upper transverse rib (42), a lower transverse rib (43) and vertical connecting ribs (44) at two ends, a second upper transverse rib (45) and a second lower transverse rib (46) are further connected between the two vertical connecting ribs (44), steel wire meshes (47) are arranged in a frame formed by the two vertical connecting ribs (44), the second upper transverse rib (45) and the second lower transverse rib (46), and gaps between the upper transverse rib (42) and the second upper transverse rib (45) and between the lower transverse rib (43) and the second lower transverse rib (46) are formed into a hollow cavity (41).
4. The prefabricated building overhanging balcony position outer protection structure according to claim 1, wherein: the flexible rope (8) is an iron chain.
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| CN201910356630.5A CN109914776B (en) | 2019-04-29 | 2019-04-29 | Outer protective structure of assembled building overhang balcony position |
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| CN201910356630.5A CN109914776B (en) | 2019-04-29 | 2019-04-29 | Outer protective structure of assembled building overhang balcony position |
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| CN109914776B true CN109914776B (en) | 2023-05-02 |
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| CN107524284A (en) * | 2017-09-18 | 2017-12-29 | 山东天齐置业集团股份有限公司 | A kind of regularization pylon protection system and installation method |
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| DE20318911U1 (en) * | 2003-12-05 | 2004-02-26 | Doka Industrie Gmbh | Railing for a formwork platform and stage element with a railing |
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