CN111173250A

CN111173250A - Diagonal cantilever beam supporting system of scaffold

Info

Publication number: CN111173250A
Application number: CN202010225653.5A
Authority: CN
Inventors: 不公告发明人
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-27
Filing date: 2020-03-27
Publication date: 2020-05-19

Abstract

The invention discloses a diagonal cantilever beam supporting system of a scaffold, which comprises a diagonal draw bar, a section steel beam, a first pull connecting piece and a second pull connecting piece, wherein the first pull connecting piece is connected with the second pull connecting piece through a first connecting piece; the section steel beam comprises an I-shaped steel, a connecting steel plate and a first lug plate, wherein one side of the I-shaped steel is connected with the connecting steel plate, the other end of the I-shaped steel is a free end, and the first lug plate is arranged on one side, close to the free end, of the I-shaped steel; one end of the section steel beam is connected with the concrete structure positioned in the middle through a second connecting piece in a pulling mode, the other end of the section steel beam is connected with one end of the diagonal draw bar through a first lug plate, and the other end of the diagonal draw bar is connected with the concrete structure positioned above through a first connecting piece in a pulling mode. The diagonal draw bar, the section steel beam, the first pull joint piece and the second pull joint piece are adopted to form the diagonal draw type steel cantilever beam bearing device for bearing the scaffold load, the diagonal draw type steel cantilever beam bearing device does not penetrate through a building structural part and does not damage the building structural part, the assembly and disassembly are convenient, the material consumption is low, the force transmission rod piece after construction can be recovered, the waste of building materials is reduced, the building cost is saved, and the building quality is improved.

Description

Diagonal cantilever beam supporting system of scaffold

Technical Field

The invention belongs to building construction auxiliary devices, and particularly relates to a diagonal cantilever beam supporting system of a scaffold.

Background

The scaffold is a construction working platform, the high-rise building usually adopts overhanging scaffolds, and the steel overhanging beam is arranged at intervals of multiple layers to erect the scaffold. When traditional steel cantilever beam installation, need pass through the shear force wall with the I-shaped steel roof beam, lay on the floor, the reuse reinforcing bar is fixed in the floor, because of too heavy cause the installation very tired and troublesome, consuming time, when through the shear force wall, can destroy the wall body cross-section and lead to the design strength to buckle to cause the carpenter to found the mould degree of difficulty and increase. The steel beam penetrating through the shear wall is difficult to remove and heavy, and sometimes two steel beams need to be taken out in the first half day, and if the steel beam cannot be lifted, the steel beam is safe and is a great hidden danger. The I-shaped steel beam can cause the wall body to be provided with various holes everywhere after being detached, so that people feel dazzling and surprise, the construction quality is greatly reduced (the strength of a hole to be repaired can be reduced, the biggest source of leakage is undoubtedly avoided, and the later-stage leakage can be caused after the I-shaped steel beam is detached at an indoor fixed position), and the construction progress is greatly delayed.

Disclosure of Invention

The invention aims to provide a diagonal steel cantilever beam scaffold bearing device which is simple in structure and convenient to disassemble and assemble.

The technical scheme adopted for realizing the purpose of the invention is as follows:

a diagonal cantilever beam supporting system of a scaffold comprises a diagonal draw bar, a section steel beam, a first pull connecting piece and a second pull connecting piece; the section steel beam comprises an I-shaped steel, a connecting steel plate and a first lug plate, wherein one side of the I-shaped steel is connected with the connecting steel plate, the other end of the I-shaped steel is a free end, and the first lug plate is arranged on one side, close to the free end, of the I-shaped steel; one end of the section steel beam is connected with the concrete structure positioned in the middle through a second connecting piece in a pulling mode, the other end of the section steel beam is connected with one end of the diagonal draw bar through a first lug plate, and the other end of the diagonal draw bar is connected with the concrete structure positioned above through a first connecting piece in a pulling mode.

Preferably, the section steel beam is further provided with an inclined strut steel pipe, and two ends of the inclined strut steel pipe are respectively welded on the steel plate and the I-shaped steel.

Preferably, the diagonal draw bar includes two, two or four of first pull rod, second pull rod, steel bolt, steel nut, first pull rod includes first steel bar pole, rectangle steel sheet, nut, and the one end of first steel bar pole is pear shape loop configuration, and other end car silk passes the porose rectangle steel sheet in the middle and is connected with one or two nuts, and both sides in the middle of the rectangle steel sheet are provided with two through-holes, the second pull rod includes second steel bar pole, rectangle steel sheet, and the one end of second steel bar pole is pear shape loop configuration, and other end welding is equipped with the rectangle steel sheet in two holes, and the hole and the steel nut threaded connection of two steel sheets are passed to the steel bolt, form the diagonal draw bar that both ends have pear shape loop configuration, and the one end of first pull rod is connected with the otic placode of shaped steel roof beam, and the other end and the first piece of drawing of second pull rod are connected.

Preferably, the section steel beam is further provided with one or two positioning rods, the first lug plate is a U-shaped steel plate, the I-shaped steel is welded on the connecting steel plate in a double-sided plug welding mode, two ends of the diagonal bracing steel tube are welded on the connecting steel plate and the I-shaped steel through fillet welds, and the bottom of the U-shaped part of the first lug plate is welded on the I-shaped steel.

Preferably, a second lug plate is welded below the free end of the section steel beam, the second lug plate is a steel plate provided with a shaft tip hole, the second lug plate is connected with the upper end of the support rod, and the other end of the support rod is connected with a concrete structure located below through a third pull connecting piece in a pull connection mode.

Preferably, the stay bar comprises a first bar member, a second bar member and a steel threaded rod, the first bar member comprises a first steel pipe and a U-shaped steel plate provided with two pin holes, one end part of the first steel pipe is welded with the U-shaped bottom of the U-shaped steel plate, the other end part of the first bar member is provided with an internal thread, the second bar member comprises a second steel pipe, a U-shaped steel plate provided with two pin holes and a stop steel plate, one end part of the second steel pipe is welded with the U-shaped bottom of the U-shaped steel plate, the other end part of the second steel pipe is provided with an external thread, the stop steel plate is welded at a position away from the end part by a certain length, the steel threaded rod comprises a bar member body, a steel buckle cover and a stop ring, the bar member body is a steel pipe bar member, one end of the bar member is threaded, the other end of the bar member is unthreaded, the first steel convex ring is welded at the unthreaded section of the, the inclined support rod comprises a rod body, a first rod piece, a second rod piece, a first convex ring, a second convex ring and a steel buckle cover, wherein the rod body is provided with a threaded part which is sleeved with a steel buckle cover which can axially move and is provided with an internal thread, the threaded part of the rod body is in threaded connection with the stop ring with the internal thread, the steel threaded rod is connected with the first rod piece and the second rod piece, the threaded end of the steel threaded rod is in threaded connection with the lower end of the first rod piece, the unthreaded end of the steel threaded rod is inserted into the threaded end of the second rod piece and can be axially limited by the stop steel plate, and the buckle cover is in threaded connection with the threaded end of the second.

Preferably, the first pulling and connecting piece, the second pulling and connecting piece and the third pulling and connecting piece comprise a force transmission assembly and an embedded device,

preferably, the force transmission assembly of the first pulling and connecting piece comprises a round steel rod piece, a steel U-shaped double-lug-plate force transmission part and a steel screwing part, the steel screwing part is a cylinder body, the peripheral shape of the bottom surface of the cylinder body is a circle formed by cutting two parallel lines, each lug plate of the force transmission part is provided with a shaft tip hole, one end of the round steel rod piece is provided with an external thread, the round steel rod piece is detachably in threaded connection with the embedded part, one end of the round steel rod piece without the external thread is integrally formed with the bottom surface of the steel screwing part, the U-shaped bottom of the force transmission part is integrally formed with the other bottom surface of the steel screwing part, the force transmission assembly of the second pulling and connecting piece comprises a high-strength round steel external thread rod piece, a steel nut force transmission part and a cuboid-shaped steel screwing part, the rod piece is detachably in threaded connection with the embedded part, the steel screwing part is integrally formed with one end of the threaded, the force transmission assembly of the third pulling and connecting piece comprises a round steel rod piece, a steel ring force transmission part and a steel screwing part, wherein the steel screwing part is a cylinder body of which the peripheral shape of the bottom surface is a circle which is cut by two parallel lines, an external thread is arranged at one end of the rod piece, the rod piece is detachably connected with the embedded part through threads, one end without the external thread of the rod piece is integrally formed with the bottom surface of the screwing part, and the outer side of the steel ring is integrally formed with the bottom surface of the other screwing part.

Preferably, the force transmission assembly matched with the embedded assembly for installation comprises an external thread round steel rod piece, a steel butterfly nut force transmission part and a steel nut screwing part, the rod piece is detachably connected with the embedded part through threads, the steel nut screwing part is welded at one end of the threaded rod piece, and the threaded rod piece is connected with the butterfly nut force transmission part through threads.

Preferably, the pre-buried device comprises a plastic pipe provided with a through hole, a square plastic protective cover, a cuboid steel block provided with an internal thread hole, and a cylindrical steel block provided with an internal thread, wherein one end of the plastic pipe is a smaller round through pipe, the other end of the plastic pipe is an enlarged end of the square through pipe, one end of the round through pipe is provided with a reverse edge which is outwards heightened, the protective cover is detachably clamped and connected with the enlarged end, the cuboid steel block and the cylindrical steel block are placed in an opening of the enlarged end of the plastic pipe, the cuboid steel block and the cylindrical steel block are welded or integrally formed,

the invention has the advantages of

The invention adopts the diagonal draw bar, the section steel beam, the first pull joint piece and the second pull joint piece to form the diagonal cantilever beam supporting system of the scaffold for bearing the load of the scaffold, does not damage building components, is convenient to disassemble and assemble, consumes less materials, can recycle the force transmission rod piece after construction is completed, reduces the waste of building materials, saves the building cost and improves the building quality.

The technical scheme of the invention is further explained by combining the attached drawings.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic structural view of the present invention with the addition of the stay bar (4).

Figure 3 is a schematic view of the composition of the steel section beam (2) of the present invention.

Figure 4 is a side view of the steel section beam (2) of the present invention with the scaffolding pins removed.

Fig. 5 is a schematic view of the diagonal member (1) of the present invention.

Fig. 6 is a schematic view of a first stay of the diagonal member (1) of the present invention.

Fig. 7 is a schematic view of a second stay of the diagonal member (1) of the present invention.

Fig. 8 is a schematic view of the connection of the first and second tie rods of the present invention.

Fig. 9 is a cross-sectional view along AA in fig. 8.

Fig. 10 is a cross-sectional view taken along BB in fig. 8.

Fig. 11 is a schematic view of the stay (4) of the present invention.

Fig. 12 is a detail of the steel threaded rod (43) of the stay (4) of the present invention.

Fig. 13 is a plan view, a front view, and a right side view of the U-shaped steel plate of the stay (4).

Fig. 14 is a front view, a rear view of the force transfer assembly (312) of the first pull element (31).

Fig. 15 is a top, bottom view of the force transfer assembly (312) of the first pull tab (31).

Fig. 16 is a left side view of the force transfer assembly (312) of the first pull element (31).

Fig. 17 is a right side view of the force transfer assembly (312) of the first pull element (31).

Fig. 18 is a front, rear, top and bottom view of the force transfer assembly (313) of the second pull tab (32).

Fig. 19 is a right side view of the force transfer assembly (313) of the second pull tab (32).

Fig. 20 is a front view, rear view of the force transfer assembly (314) of the third pull connection (33).

Fig. 21 is a top and bottom view of the force transfer assembly (314) of the third pull tab (33).

Fig. 22 is a right side view of the force transfer assembly (314) of the third pull connection (33).

Fig. 23 is a left side view of the force transfer assembly (314) of the third pull connection (33).

Fig. 24 is a front, rear view of the force transfer assembly (315) of the fourth pull tab (34).

Fig. 25 is a right side view of the force transfer assembly (315) of the fourth pull tab (34).

Fig. 26 is a left side view of the force transfer assembly (315) of the fourth pull tab (34).

Fig. 27 is a schematic structural view of the embedment (311).

Fig. 28 is a front view, a rear view, a top view, and a bottom view of the embedment (311).

Fig. 29 is a right side view of the embedment (311).

Fig. 30 is a left side view of the embedment (311).

Fig. 31 is a front view, a rear view, a top view, and a bottom view of the steel block (3113).

Fig. 32 is a left side view and a right side view of the steel block (3113).

Fig. 33 is a front view, a rear view, a top view, and a bottom view of the steel block (3114).

Fig. 34 is a left side view and a right side view of the steel block (3114).

Fig. 35 is a schematic view of the installation of the force transfer assembly (312) of the first pull tab (31), also enlarged partially at a.

Fig. 36 is a schematic view of the installation of the force transfer assembly (313) of the second pull tab (32), also in a close up view at B.

Fig. 37 is a schematic view of the mounting of the force transfer assembly (314) of the third pull connection (33), also enlarged in detail at C.

Fig. 38 is a schematic view of the installation of the force transfer assembly (315) of the fourth pull tab (34).

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

It is to be noted that, in the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention.

Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Meanwhile, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected" and "connected" should be interpreted broadly, for example, as being fixedly connected, detachably connected, or integrally connected; the connection can be mechanical connection or electrical connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

as shown in fig. 1-6, a diagonal cantilever beam support system of scaffold is characterized in that: the supporting piece comprises a diagonal draw bar 1, a section steel beam 2, a first pulling and connecting piece 31 and a second pulling and connecting piece 32; the section steel beam 2 comprises an I-steel 21, a connecting steel plate 22, a first lug plate 23 and an inclined strut steel pipe 24, wherein one side of the I-steel 21 is connected with the connecting steel plate 22, the other end of the I-steel 21 is a free end, the first lug plate 23 is arranged on one side, close to the free end, of the I-steel 21, and two ends of the inclined strut steel pipe 24 are respectively welded on the steel plate 22 and the I-steel 21; one end of the section steel beam 2 is connected with the concrete structure positioned in the middle through a second connecting piece 32 in a pulling mode, the other end of the section steel beam 2 is connected with one end of the diagonal draw bar 1 through the first lug plate 23, and the other end of the diagonal draw bar 1 is connected with the concrete structure positioned above through a first pulling and connecting piece 31 in a pulling mode.

Wherein, the diagonal draw bar comprises a first draw bar 11, a second draw bar 12, two steel bolts 13 and two or four steel nuts 14, the first draw bar 11 comprises a first steel bar rod 113, a rectangular steel plate 111 and a nut 112, the end of one end of the first steel bar rod 113 is of a pear-shaped annular structure, the other end of the first steel bar rod is threaded and passes through the rectangular steel plate 111 with a hole in the middle to be connected with one or two nuts 112, two through holes are arranged on two sides in the middle of the rectangular steel plate 111, the second draw bar 12 comprises a second steel bar rod 122 and a rectangular steel plate 121, the end of one end of the second steel bar rod 122 is of a pear-shaped annular structure, the other end of the second steel bar rod is welded with the rectangular steel plate 121 with two holes, the steel bolts 13 pass through the holes of the two steel plates to be in threaded connection with the steel nuts 14 to form the diagonal draw bar 1 with pear-shaped annular structures at two ends, one end of, the other end of the second pull rod 12 is connected to the first pull link 31.

The specific structure of the i-steel 21 in the embodiment can be 16# i-steel, and the material is Q235 grade steel; the connecting steel plate 22 can be a Q235 grade steel plate with the thickness of 12mm, the size is not less than 280mm multiplied by 220mm, two long holes with the diameter of 21mm are formed in the connecting steel plate 22, the inclined strut steel pipe 24 is a Q235 grade seamless steel pipe with the thickness of 5mm and the outer diameter of not less than 40mm, the ear plates 23 are Q345 grade steel U-shaped double ear plates, the thickness is not less than 10mm, the clear distance between the two ear plates is 30mm, and round holes with the diameter of 21mm are formed in the ear plates.

The structural steel beam 2 structure consisting of the connecting steel plates 22, the ear plates 23, the inclined strut steel pipes 24 and the I-shaped steel 21 can effectively enhance the strength of the structural steel beam 2, and can also enhance the supporting strength of the structural steel beam to the external scaffold of the building, so that the whole supporting system is more stable.

Other structures and operating principles thereof involved in the present embodiment are well known to those skilled in the art and will not be described in detail.

Example 2:

in this embodiment, it is further preferable that the first reinforcement bar 113 and the first reinforcement bar 122 in this embodiment are both Q235 grade round steel, the diameter is 20mm, and one end of the first reinforcement bar is processed into a pear-shaped ring, the other end of the first reinforcement bar 113 is threaded, the length of the threaded is greater than 310mm, and one or two nuts 112 with 20mm diameter are connected; the rectangular steel plate 111 is a Q345-grade steel plate, the length is larger than 100mm, the width is larger than or equal to 50mm, the thickness is larger than or equal to 22mm, a phi 20mm threaded hole is formed in the middle of the rectangular steel plate, holes larger than phi 15mm are formed in two sides of the center of the section of the length and the width respectively, the rectangular steel plate (121) is a Q345-grade steel plate, the length is larger than 100mm, the width is larger than or equal to 36mm, the thickness is larger than or equal to 22mm, holes larger than phi 15mm are formed in two sides of the center of the section of the length and the width respectively, and a phi 14mm bolt 13 penetrates through the holes of the two steel plates phi 15mm and.

The first pull rod 11 and the second pull rod 12 can play a role in length adjustment while ensuring the firm connection of the diagonal draw bar 1 through the threads of the rotary nut 112, and the adjustment range can reach 500 mm.

The material, length, diameter and the like of the first pull rod 11, the second pull rod 12, the bolt 13 and the nut 14 can be adjusted according to actual conditions, and the application range is wide.

Example 3:

in this embodiment, it is further preferable that the i-beam 21 is welded to the connection steel plate 22 by a double-sided plug welding method, the diagonal bracing steel tube 24 is welded to one side of the connection steel plate 22 and the i-beam 21, and the distance between the upper side of the i-beam 21 and the inner end of the i-beam 21 where the ear plate 23 is welded to the double sides is 950mm, 1050mm or 1500 mm.

The ear plates 23 are steel U-shaped double ear plates, and the I-shaped steel 21 is welded on the connecting steel plate 22 in a double-sided plug welding manner; the inclined strut steel pipe 24 is positioned below the I-shaped steel 21 and is close to the connecting steel plate 22, and is welded with the I-shaped steel 21 and the connecting steel plate 22 on one side; the ear plate 23 is welded on the upper side of the I-steel 21 on the double sides, the distance between the ear plate and the inner end of the I-steel 21 is 950mm or 1050mm or 1500mm, and the sizes of the welding feet of all welding seams are not less than 6 mm.

The inner side of the section steel beam 2 is connected with a high-strength screw rod, a gasket and a nut through an 8.8-level M20 pressure-bearing type of the second pulling and connecting piece 32, the connecting steel plate 22 is firmly connected with the concrete structure in a pulling mode, and the outer side of the section steel beam is connected with the ear plate 23 and a pear-shaped ring at the lower part of the second pull rod 12 of the diagonal pull rod 1 through a shaft tip.

The types, materials, sizes and the like of the I-shaped steel 21, the connecting steel plate 22, the ear plate 23 and the inclined strut steel pipe 24 can be adjusted according to actual conditions, and the application range is wide.

Example 4:

in this embodiment, it is further preferable that a second ear plate 26 is welded to the lower surface of the free end of the section steel beam 2, the second ear plate 26 is a steel plate with a shaft hole, the second ear plate 26 is connected to the upper end of the stay bar 4, and the other end of the stay bar 4 is connected to the concrete structure located below through a third connecting member 33.

In this embodiment, when the length of the i-steel 21 is greater than 1.75m, a second lug plate 26 provided with a shaft hole is additionally arranged below the free end of the section steel beam 2, the second lug plate 26 is a 12mm thick steel plate provided with a shaft hole with a diameter of 20mm, the second lug plate 26 is welded with the two sides of the section steel beam 2, the size of a weld leg of the weld joint is not smaller than 6mm, the second lug plate 26 is connected with the upper end of the stay bar 4, and the other end of the stay bar 4 is connected with a concrete structure below through a third pull connecting piece 33.

The type, material, size and the like of the second ear plate 26 can be adjusted according to actual conditions, and the application range is wide.

Example 5:

in this embodiment, it is further preferable that the stay 4 includes a first rod 41, a second rod 42, and a threaded rod 43, the first rod 41 includes a first steel tube 411 and a U-shaped steel plate 412 having two pin holes, one end of the first steel tube 411 is welded to the U-shaped bottom of the U-shaped steel plate 412, the other end of the first rod 41 is provided with an internal thread, the second rod 42 includes a second steel tube 421, a U-shaped steel plate 422 having two pin holes, and a stop steel plate 423, one end of the second steel tube 42 is welded to the U-shaped bottom of the U-shaped steel plate 422, the other end of the second steel tube 42 is provided with an external thread, and the stop steel plate 423 is welded at a position having a certain length from the one end, the threaded rod 43 includes a rod body 431, a steel buckle cover 432, and a stop ring 433, the rod body 431 is a steel tube rod, one end of which is threaded, and the other end of which is unthreaded, the rod body 431 is welded with a first steel convex ring 4311 at a non-threaded section, a through hole 4312 serving as a screwing structure is arranged on a screw rod of the rod body 431, the threaded section of the steel threaded rod 43, which is close to the first steel convex ring 4311, a through hole 4312 is arranged on the screw rod, which is provided with an internal thread, is sleeved on a threaded part of the rod body 431, the threaded part of the rod body 431 is in threaded connection with an internal thread stop ring 433, the steel threaded rod 43 is connected with a first rod 41 and a second rod 42, the threaded end of the steel threaded rod 43 is in threaded connection with the lower end of the first rod 41, the non-threaded end of the steel threaded rod 43 is inserted into the threaded end of the second rod 42 and can be axially limited by a stop steel plate 423, the buckle cover 432 is in threaded connection with the threaded end of the second rod 42, and the first convex ring is fastened to form a diagonal brace 4.

In this embodiment, the first rod 41 and the second rod 42 of the stay bar 4 are Q235-grade seamless steel pipes with an outer diameter of 50mm and a thickness of 3 mm or more, the steel threaded rod 43 is a Q235 steel hollow rod with an outer diameter of 39mm, the rod thickness is 9mm or more, the U-shaped steel plates 412 and 422 are 10mm thick Q235 steel, and two pin holes with a diameter of 21mm are formed in the U-shaped steel plates 412 and 422.

The types, materials, sizes and the like of the first rod piece 41, the second rod piece 42 and the U-shaped steel plates 412 and 422 can be adjusted according to actual conditions, and the application range is wide.

Example 6:

this embodiment is further preferred on the basis of above-mentioned embodiment, pre-buried device 311 wherein, first drawing and connecting piece 31 and second drawing and connecting piece 32 all include pre-buried device 311, pass power subassembly, pre-buried device 311 is including the plastic tubing 3111 that is equipped with the through-hole, square plastic protection cover 3112, the cuboid steel bloom 3113 that is equipped with the internal thread hole, be equipped with internal screw thread cylinder steel bloom 3114, the one end of plastic tubing 3111 is less circle siphunculus, the other end is square siphunculus enlarged end, circle siphunculus one end is equipped with the round and adds the high reverse side 31111 outward, protection cover 3112 is connected with enlarged end demountable ground joint, cuboid steel bloom 3113 and cylinder steel bloom 3114 are put in the opening of the enlarged end of plastic tubing 3111, cuboid steel bloom 3113 welds or integrated into one piece with cylinder steel bloom 3114.

In this embodiment, one end of the plastic tube 3111 is a round tube with an outer diameter phi 25mm and a length 130mm, the other end is a square tube enlarged end with a length 35 mm of 45mm × 45mm, one end of the round tube is provided with a high reverse edge 31111 with a height of 8mm, a plastic cover 31122 mm thick with a square plastic with a length of 41mm × 41mm × 2mm, a cuboid steel block 3113 is a 8.8-level high-strength square nut with a length of 40mm × 40mm × 20mm, and a cylindrical steel block 3114 with a phi 12mm internal thread is a Q235 round steel with a thickness of phi 24 mm and a thickness of 6 mm.

Plastic tubing 3111, square plastic protective cover 3112, be equipped with the cuboid steel block 3113 of internal thread hole, be equipped with the model, material, size etc. of internal screw thread cylinder steel block 3114 can adjust according to actual conditions, and the range of application is wide.

Example 7:

this embodiment is further preferred on the basis of the above embodiment, where the first pulling-connecting member 31, the second pulling-connecting member 32)) and the third pulling-connecting member 33 both include a force transmission assembly and an embedded device 311, the force transmission assembly 312 of the first pulling-connecting member 31 includes a round bar member 3121, a steel U-shaped binaural plate force transmission portion 3122, and a steel tightening portion 3123, the steel tightening portion 3123 is a cylindrical body whose bottom surface peripheral shape is a circle divided into two by two parallel lines, each ear plate of the force transmission portion 3122 is provided with an axial hole, one end of the round bar member 3121 is provided with an external thread, the round bar member 3121 is detachably and threadedly connected with the embedded device 311, one end of the round bar member 3121 without the external thread is integrally formed with the bottom surface of the steel tightening portion 3123, the U-shaped bottom of the force transmission portion 3122 is integrally formed with the other bottom surface of the steel tightening portion 3123, the force transmission assembly 313 of the second pulling-connecting member 32 includes a high-strength round bar member 3131 with the, The force transmission assembly 314 of the third pull-tab 33 comprises a round steel rod piece 3141, a steel ring force transmission part 3142 and a steel tightening part 3143, wherein the periphery of the bottom surface of the steel tightening part 3143 is a cylinder of a circle which is cut by two parallel lines, one end of the rod piece 3141 is provided with an external thread, the rod piece 3141 is detachably and threadedly connected with the embedded part 311, one end without the external thread of the rod piece 3141 is integrally formed with the bottom surface of the tightening part 3143, and the outer 3142 side of the steel ring is integrally formed with the bottom surface of the other one of the tightening parts 3143.

In this embodiment, the round steel bar 3121 is a 45# steel bar with an outer diameter of phi 20mm, the length of the bar is 155mm, one end of the bar has a 27mm long external thread, the bottom surface of the 45# steel tightening portion 3123 is a 50mm diameter circle (the chords of the two circular arc portions cut off are parallel, the chord length is 14 mm), the center of the circle coincides with the center of the round steel bar 3121, the height of the column of the tightening portion 3123 is 20mm, the center of the bottom of the U-shaped double-lug plate of the steel U-shaped double-lug plate force transmission portion 3122 of the 45# steel coincides with the center of the circle with the diameter of 50mm, the plate of the flat straight section of the U-shaped double-lug plate is arc at the periphery of the opening, the height of the topmost end of each lug plate from the coinciding surface of the double-lug plate force transmission portion 3122 and the tightening portion 3123 is 61mm, each lug plate of the force transmission portion 3122 of the U-shaped double-lug plate is 10mm wide by 50mm, and is provided with a 25mm axial hole, the phi axis hole is slightly, the heights of centers of two phi 25mm shaft holes from the overlapped surface of the double-lug-plate force transmission part 3122 and the tightening part 3123 are both 36mm, and from the height of center of the phi 25mm shaft hole, the lug plate outside a 50-wide straight line is changed into a circular arc with a diameter of 50mm, and the center of the circular arc with a diameter of 50mm is overlapped with the center of the phi 25mm shaft hole, the clear distance between the topmost ends of the two lug plates (i.e., the empty space at the opening of the U shape) is 28mm, the height of the flat panel above the opening of the U shape is 45.5mmm, the center of the circular arc of the lower arc-shaped U-shaped bottom steel plate is 15.5mm in one direction from the overlapped surface of the double-lug-plate force transmission part 3122 and the tightening part 3123, and the other direction is on a bisector at a half position of the distance of the opening of the U shape, i.e., a 14mm, the inner and outer circular arcs of the U-shaped bottom steel plate are formed by the circle with the diameter of the circle of 28, the length of the 8.8-level high-strength external thread rod 3131 with the external diameter phi of 45# steel being 20mm is 215mm, the steel nut force transmission part 3132 is 8.8-level high-strength with the external diameter phi of 20mm, the steel nut force transmission part 3132 is provided with a thread from the end part, the length is 57mm, the other end is also provided with a thread from the end part, the length is 28mm, the specification of the 45# steel cuboid-shaped steel tightening part 3133 is 10mm x 9mm, the rod 3131 and the tightening part 3133 are integrally formed, the round steel rod 3141 is a 45# steel rod with the external diameter phi of 20mm, the length is 155mm, one end of the round steel rod is provided with a 27mm long external thread, a phi 34mm shaft hole is arranged in the middle of the 45# steel ring force transmission part 3142 made of the phi 10mm round steel, the bottom surface of the 45# steel tightening part 3143 is a circle with the diameter of 40mm (the chords of two cut arc parts are removed in parallel, the chord length is 32 mm), the height of, the center of the circle of 40mm is coincident with the center of the steel rod piece of phi 20mm, the two planes are also coincident, the center of the force transmission part 3142 of the steel ring is on the extension line of the rod piece 3141, the distance from the center to the end face of the rod piece 3141 provided with the tightening part 3143 is 48mm, the force transmission part 3142 is partially coincident with the tightening part 3143, and the rod piece 3141, the tightening part 3143 and the force transmission part 3142 are integrally formed.

The types, materials, sizes and the like of the round

steel rod pieces

3121, 3131 and 3141, the

force transmission portions

3122, 3132 and 3142 and the tightening

portions

3123, 3133 and 3143 can be adjusted according to actual conditions, and the application range is wide.

Example 8:

In this embodiment, one end of the plastic tube 3111 is a round through tube with an outer diameter phi of 25mm and a length of 130mm, the other end is a square through tube with an outer diameter phi of 45mm × 45mm and a length of 35 mm, the other end is an enlarged end of the square through tube, one end of the round through tube is provided with a high reverse edge 31111 with a height of 8mm, a plastic protective cover 31122 mm thick with a square plastic with a width of 41mm × 41mm × 2mm, the cuboid steel block 3113 is a 8.8-level high-strength square nut with a thickness of 40mm × 40mm × 20mm, the cylindrical steel block 3114 with a phi 12mm internal thread is a Q235 round steel with.

Example 9:

in this embodiment, it is further preferable that the force transmission assembly 315 for installing the embedded part 311 includes an externally threaded round steel rod member 3151, a steel wing nut force transmission portion 3152, and a steel nut tightening portion 3153, where the rod member 3151 is detachably and threadedly connected to the embedded part 311, the steel nut tightening portion 3153 is welded to one end of the threaded rod member 3151, and the threaded rod member 3151 is threadedly connected to the wing nut force transmission portion 3152.

The length of the 3151 external thread round steel galvanized rod piece with the Q235 steel external diameter phi of 12mm is 300mm-500 mm, the 3152 steel butterfly nut force transmission part is a 12mm galvanized butterfly nut, the 3153 steel nut tightening part is a 12mm galvanized nut, the 12mm galvanized nut is welded with the 3151 galvanized rod piece, and the galvanized butterfly nut is in threaded connection with the galvanized rod piece.

The round steel rod member 3151, the force transmission part 3152 and the tightening part 3153 can be adjusted in type, material, size and the like according to actual conditions, and the application range is wide.

As shown in fig. 6, the diagonal member 1 is fixed to the structure by a first pull-connecting member, a second pull-connecting member, and a third pull-connecting member. Binding of the structural beam/wall/column steel bars on the upper layer of the overhanging layer is completed, after the installation of the outer side formwork is completed, holes are formed in the formwork, the embedded parts of the first pulling and connecting piece 31 are installed by the force transmission assembly 315 through the holes, concrete is poured, the force transmission assembly 315 is removed after the strength of the concrete meets the requirement, then the force transmission assembly of the first pulling and connecting piece 31 or the first pulling and connecting piece 32 or the first pulling and connecting piece 33 is in threaded connection with the embedded parts 311, and the pear-shaped ring on the upper portion of the first pull rod 11 of the diagonal draw bar 1 is slightly connected by a 20-shaft.

The first pulling and connecting piece 31, the second pulling and connecting piece 32 and the third pulling and connecting piece 32 are directly processed and produced by a factory, can be embedded in a concrete structure under the condition that the small holes are formed in the template, and are firmly connected with the upper end of the diagonal draw bar 1, the inner end of the section steel beam 2 and the lower end of the stay bar 4, and meanwhile, the lower end of the diagonal draw bar 1 and the upper end of the stay bar 4 are firmly connected with the outer end of the section steel beam 2, so that a stable stress system is formed together with the concrete structure, and an upper construction scaffold is supported.

The diagonal-pulling type overhanging I-shaped steel support piece for the external scaffold of the building does not need to be provided with holes on the structure, so that the leakage risk is avoided; the indoor space is not occupied completely, and the construction period is saved; anchor ring reinforcing steel bars are omitted, the length of the I-shaped steel is reduced by half, and materials are saved; the method can be applied to any template system as long as the template is provided with small holes; the connecting node of the diagonal draw bar is optimally designed, the length and the angle of the connecting node are adjustable, the connecting node is not limited by the height and the shape of a structural layer, the connecting node can be applied to any project, and the applicability is wider; the method is not limited by the insertion time of the process, and the cost is controllable; the method has the advantages of easily-obtained required raw materials, convenient and quick factory processing, guaranteed quality, simple and quick field installation and extremely strong popularization significance.

The I-steel support piece of encorbelmenting has solved all unfavorable factors of three kinds of outer scaffolds commonly used, has broken the binding system of conventional "aluminum mould + climbing frame", accords with the management theory of "lean building" and "green construction" more.

The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a scaffold puts up formula cantilever beam support system to one side which characterized in that: the supporting piece comprises a diagonal draw bar (1), a section steel beam (2), a first pulling and connecting piece (31) and a second pulling and connecting piece (32); the section steel beam (2) comprises an I-shaped steel (21), a connecting steel plate (22) and a first lug plate (23), wherein the connecting steel plate (22) is connected to one side of the I-shaped steel (21), the other end of the I-shaped steel (21) is a free end, and the first lug plate (23) is arranged on one side, close to the free end, of the I-shaped steel (21); one end of the section steel beam (2) is connected with the concrete structure positioned in the middle through a second connecting piece (32), the other end of the section steel beam (2) is connected with one end of the diagonal draw bar (1) through a first lug plate (23), and the other end of the diagonal draw bar (1) is connected with the concrete structure positioned above through a first connecting piece (31).

2. The inclined cantilever beam support system of a scaffold as claimed in claim 1, wherein the section steel beam (2) is further provided with an inclined strut steel tube (24), and both ends of the inclined strut steel tube (24) are respectively welded on the steel plate (22) and the I-shaped steel (21).

3. The diagonal cantilever beam support system of a scaffold according to claim 2, wherein the diagonal draw bar (1) comprises two or four first draw bars (11), two second draw bars (12), two steel bolts (13) and two or four steel nuts (14), the first draw bar (11) comprises a first steel bar rod (113), a rectangular steel plate (111) and a nut (112), one end of the first steel bar rod (113) is of a pear-shaped annular structure, the other end of the first steel bar rod is threaded and penetrates through the rectangular steel plate (111) with a hole in the middle to be connected with one or two nuts (112), two through holes are formed in two sides of the middle of the rectangular steel plate (111), the second draw bar (12) comprises a second steel bar rod (122) and a rectangular steel plate (121), one end of the second steel bar rod (122) is of a pear-shaped annular structure, and the other end of the second steel bar rod is welded with the rectangular steel plate (121) with two holes, the steel bolt (13) penetrates through the holes of the two steel plates and is in threaded connection with the steel nut (14) to form a diagonal draw bar (1) with pear-shaped ring structures at two ends, one end of the first draw bar (11) is connected with the lug plate (23) of the section steel beam (2), and the other end of the second draw bar (12) is connected with the first pull connecting piece (31).

4. The diagonal cantilever beam support system of a scaffold according to claim 3, wherein the section steel beam (2) is further provided with one or two positioning rods (25), the first lug plate (23) is a U-shaped steel plate, the I-shaped steel (21) is welded on the connecting steel plate (22) in a double-sided plug welding mode, two ends of the diagonal steel pipe (24) are welded on the connecting steel plate (22) and the I-shaped steel (21) through fillet welds, and the bottom of the U-shaped of the first lug plate (23) is welded on the I-shaped steel (21).

5. The diagonal cantilever beam support system of a scaffold according to claim 4, wherein a second ear plate (26) is welded under the free end of the section steel beam (2), the second ear plate (26) is a steel plate with a shaft hole, the second ear plate (26) is connected with the upper end of the stay bar (4), and the other end of the stay bar (4) is connected with the concrete structure below through a third pull-connection member (33).

6. The diagonal cantilever beam support system of a scaffold according to claim 5, wherein the stay bar (4) comprises a first bar member (41), a second bar member (42) and a steel threaded rod (43), the first bar member (41) comprises a first steel pipe (411) and a U-shaped steel plate (412) provided with two pin holes, one end of the first steel pipe (411) is welded with the U-shaped bottom of the U-shaped steel plate (412), the other end of the first bar member (41) is provided with an internal thread, the second bar member (42) comprises a second steel pipe (421), a U-shaped steel plate (422) provided with two pin holes and a stopping steel plate (423), one end of the second steel pipe (42) is welded with the U-shaped bottom of the U-shaped steel plate (422), the other end of the second steel pipe (42) is provided with an external thread, and the stopping steel plate (423) is welded at a position having a certain length away from the one end, and the steel threaded rod (43) comprises a bar member body (431), The steel buckle cover (432) and the stop ring (433), wherein the rod body (431) is a steel pipe rod, one end of the rod body is threaded, the other end of the rod body is unthreaded, the first steel convex ring (4311) is welded on the unthreaded section of the rod body (431), a through hole (4312) is arranged on a screw rod of the threaded section of the steel threaded rod (43) close to the first steel convex ring (4311) to serve as a screwing structure, the threaded part of the rod body (431) is sleeved with the steel buckle cover (432) which can axially move and is provided with an internal thread, the threaded part of the rod body (431) is in threaded connection with the stop ring (433) with the internal thread, the steel threaded rod (43) is connected with the first rod (41) and the second rod (42), the threaded end of the steel threaded rod (43) is in threaded connection with the lower end of the first rod (41), and the unthreaded end of the steel threaded rod (43) is inserted into the threaded end of the second rod (42) to be, and after the buckle cover (432) is connected with the external thread of the threaded end of the second rod piece (42), the first convex ring is fastened to form a diagonal brace (4) with a U-shaped steel plate structure at two ends.

7. The inclined cantilever beam support system of a scaffold as claimed in claim 6, wherein the first pulling-connecting piece (31), the second pulling-connecting piece (32)) and the third pulling-connecting piece (33) comprise a force transmission component and an embedded device (311).

8. The diagonal cantilever support system of a scaffold according to claim 7, wherein the force transfer component (312) of the first pull joint member (31) comprises a round bar member (3121), a steel U-shaped double-lug-plate force transfer portion (3122) and a steel tightening portion (3123), the steel tightening portion (3123) is a cylinder having a bottom surface in a peripheral shape of a circle that is two-sectioned by two parallel lines, each lug of the force transfer portion (3122) is provided with an axial hole, one end of the round bar member (3121) is provided with an external thread, the round bar member (3121) is detachably and threadedly connected with the embedded part (311), one end of the round bar member (3121) without the external thread is integrally formed with the bottom surface of the steel tightening portion (3123), the U-shaped bottom of the force transfer portion (3122) is integrally formed with the other bottom surface of the steel tightening portion (3123), and the force transfer component (313) of the second pull joint member (32) comprises a high strength round bar member (3131), A steel nut force transmission part (3132) and a cuboid-shaped steel tightening part (3133), the rod piece (3131) is detachably connected with the embedded part (311) in a threaded manner, the steel tightening part (3133) is integrally formed with one end of the threaded rod piece (3131), one end of the threaded rod piece (3131) with the steel tightening part (3133) is in threaded connection with the steel nut force transmission part (3132), the force transmission assembly (314) of the third pull-connecting piece (33) comprises a round steel rod piece (3141), a steel ring force transmission part (3142) and a steel screwing part (3143), the steel screwing part (3143) is a cylinder of which the peripheral shape of the bottom surface is a circle which is cut into two blocks by two parallel lines, one end of the rod piece (3141) is provided with an external thread, the rod piece (3141) is detachably connected with the embedded part (311) in a threaded manner, one end of the rod piece (3141) without the external thread is integrally formed with the bottom surface of the screwing part (3143), and the outer (3142) side of the steel ring and the bottom surface of the other screwing part (3143) are integrally formed.

9. The cable-stayed cantilever beam support system of the scaffold as claimed in claim 7, wherein the pre-buried device (311) comprises a plastic pipe (3111) with a through hole, a square plastic protecting cover (3112), a cuboid steel block (3113) with an internal threaded hole, and a cylindrical steel block (3114) with an internal thread, one end of the plastic pipe (3111) is a smaller round pipe, the other end is an enlarged end of the square pipe, one end of the round pipe is provided with a reverse side (31111) with a round and outward increased, the protecting cover (3112) is detachably connected with the enlarged end in a clamping manner, the cuboid steel block (3113) and the cylindrical steel block (3114) are placed in an opening of the enlarged end of the plastic pipe (3111), and the cuboid steel block (3113) and the cylindrical steel block (3114) are welded or integrally formed.

10. The diagonal cantilever beam support system of the scaffold according to claim 8 and claim 9, wherein the force transfer component (315) matched with the embedded component (311) for use comprises an external thread round steel rod piece (3151), a steel butterfly nut force transfer part (3152) and a steel nut tightening part (3153), the rod piece (3151) is detachably connected with the embedded component (311) through threads, the steel nut tightening part (3153) is welded at one end of the threaded rod piece (3151), and the threaded rod piece (3151) is connected with the butterfly nut force transfer part (3152) through threads.