CN218990875U - Assembled triangular truss cantilever support frame system - Google Patents
Assembled triangular truss cantilever support frame system Download PDFInfo
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- CN218990875U CN218990875U CN202320051937.6U CN202320051937U CN218990875U CN 218990875 U CN218990875 U CN 218990875U CN 202320051937 U CN202320051937 U CN 202320051937U CN 218990875 U CN218990875 U CN 218990875U
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Abstract
The utility model provides an assembled triangular truss overhanging support frame system, which is characterized in that a wall leaning square tube, an inclined support square tube and a top square tube are connected end to end and welded to form a triangular truss support frame, an inner support inclined square tube, an inner support transverse square tube and an inner support vertical square tube are fixed inside the triangular truss support frame through welding, the triangular truss support frame is fixed on a structural wall body through a through-wall bolt passing through a reserved bolt hole, one surface of a backing steel plate is welded and fixed with the wall leaning square tube, the other surface of the backing steel plate is pressed on the structural wall body, and I-steel is vertically fixed on the top square tube through a zigzag fastening gasket. Also discloses a mounting method of the assembly type triangular truss overhanging support frame system. The utility model is fixedly connected with the structural wall body through the high-strength bolts, so that the structural steel bar and the concrete are extremely damaged, and meanwhile, the hidden trouble of later leakage caused by reserving a larger hole in the wall body is reduced. The device has the advantages of firmness, stability, good integrity, convenient installation and disassembly, difficult damage, high turnover frequency and good economic benefit.
Description
Technical Field
The utility model relates to the technical field of building construction, in particular to an assembled triangular truss overhanging support frame system.
Background
In order to meet the requirements of structural construction and external decoration construction, an external protection scaffold is required to be erected during high-rise building construction. In recent years, the overhanging steel pipe scaffold has the characteristics of less investment, wide application range, no limit of layer height and places, reusability and the like, and the fastener type steel pipe scaffold erected by sectionally overhanging is very popular in application. However, because the load transmission route is special and the technical requirements are complex, the method has great influence on personnel safety, construction quality and construction speed, and therefore, strict requirements on the selection of the overhanging structure, the design calculation, the construction and the erection and disassembly construction and the use management of the scaffold are provided.
The traditional steel cantilever frame has more defects: (1) wasting material: the overhanging steel beam penetrates through the wall body and stretches into the indoor anchoring soil floor beam and the floor, the anchoring length is not less than 1.25 times of that of the overhanging steel beam, and a large amount of steel waste can be caused to meet the standard requirement; and (2) delaying the construction progress: the traditional steel cantilever frame needs to anchor a long section of I-steel inwards, which can influence the normal operation of other working procedures in the room and is not beneficial to the insertion and rapid construction of each working procedure; (3) reducing construction quality: when the overhanging I-steel is arranged, a larger hole is reserved in the wall body, the structural integrity is damaged, later plugging is difficult, and water seepage is easy to cause. Meanwhile, along with the wide application of the assembly type building, the prefabricated outer wall needs to be sealed and grouted, and a hole cannot be reserved in the wall body so as to meet the installation requirement of the traditional steel cantilever frame. Therefore, the traditional steel cantilever frame cannot meet the current requirements of green environment-friendly energy-saving construction.
Disclosure of Invention
In order to overcome the problems in the prior art, the utility model provides an assembled triangular truss cantilever support frame system.
The utility model provides an assembled triangular truss support frame system of encorbelmenting, includes the structure wall body, leans on wall side pipe and bracing side pipe, top side pipe, back lining steel sheet and interior bracing side pipe, interior bracing side pipe and I-steel, lean on wall side pipe, bracing side pipe and top side pipe end to end welds into the triangular truss support frame of encorbelmenting, interior bracing side pipe and interior bracing side pipe are through welded fastening to inside the triangular truss support frame of encorbelmenting, set up the reservation bolt hole on leaning on the wall side pipe, pass the reservation bolt hole through the wall bolt and will the triangular truss support frame is fixed on the structure wall body, back lining steel sheet one side and lean on wall side pipe welded fastening, back lining steel sheet another side compresses tightly on the structure wall body, I-steel is fixed in on top side pipe (3) perpendicularly through zigzag fastening gasket.
Further, set up pre-buried screw hole on the structure wall body, wall side pipe and backing steel plate set up the reservation bolt hole, the reservation bolt hole is corresponding with pre-buried screw hole position, passes reservation bolt hole and pre-buried screw hole through the wall bolt and will be fixed on the structure wall body by wall side pipe and backing steel plate.
Further, 4 bolt holes with the diameter of 20mm are formed in the top square tube, 2 zigzag fastening gaskets are fixed to the top square tube through 2M 14 multiplied by 120 bolts penetrating through the bolt holes, and I-shaped steel is clamped and fixed between the 2 zigzag fastening gaskets.
Further, the wall-leaning square tube and the top square tube are square steel tubes with the minimum cross section being larger than 80 multiplied by 80mm, the maximum cross section being smaller than 120 multiplied by 120mm and the wall thickness being 5-6 mm, the diagonal bracing square tube is square steel tubes with the minimum cross section being larger than 60 multiplied by 60mm, the maximum cross section being smaller than 80 multiplied by 80mm and the wall thickness being 3-4 mm, and the inner bracing diagonal square tube (4), the inner bracing transverse square tube (5) and the inner bracing vertical square tube (6) are square steel tubes with the minimum cross section being larger than 30 multiplied by 30mm, the maximum cross section being smaller than 50 multiplied by 50mm and the wall thickness being 3-4 mm.
Further, the thickness of the backing steel plate (7) is 5-7 mm.
The second technical scheme provided by the utility model is as follows:
the installation method of the cantilever support frame system of the assembled triangular truss comprises the following steps:
step 1), arranging pre-buried threaded holes on a structural wall according to a positioning chart of a through-wall bolt hole of a triangular truss type support frame;
step 2) after the concrete pouring construction of the floor top plate of the triangular support frame is required to be installed, paying out a positioning line of the triangular truss type support frame, horizontally pulling through the line, welding a wall-leaning square pipe, an inclined strut square pipe, a top square pipe, a backing steel plate, an inner strut inclined square pipe, an inner strut transverse square pipe and an inner strut vertical square pipe into a triangular truss cantilever support frame, fixing the welded triangular truss cantilever support frame on a structural wall body through a wall penetrating bolt, erecting I-steel on the triangular truss cantilever support frame fixed on the structural wall body, and fixing the I-steel on the triangular truss cantilever support frame on the structural wall body through a zigzag fastening gasket;
step 3) checking and accepting the triangular truss type cantilever support frame system;
and 4) after the triangular truss type cantilever support frame system is accepted, erecting a protective scaffold on the upper part of the triangular truss type cantilever support frame system, and putting the triangular truss type cantilever support frame system into use after the scaffold is accepted.
Further, the step 2) comprises
2.1 After the floor top plate concrete pouring construction of the triangular support frame is finished, releasing the positioning line of the triangular truss type support frame and horizontally pulling the line;
2.2 Welding the wall-leaning square pipe, the inclined support square pipe and the top square pipe end to form a triangular truss cantilever support frame, then welding and fixing the inner support inclined square pipe in the triangular truss cantilever support frame along the diagonal of the triangular truss cantilever support frame, welding and fixing the inner support transverse square pipe in the triangular truss cantilever support frame along the direction parallel to the top square pipe, and welding and fixing the inner support vertical square pipe in the triangular truss cantilever support frame along the direction parallel to the wall-leaning square pipe;
2.3 Welding a backing steel plate on the outer side of the wall-leaning square pipe, arranging reserved bolt holes on the backing steel plate and the wall-leaning square pipe, fixing the wall-leaning square pipe and the backing steel plate on a structural wall body through the reserved bolt holes by penetrating through a wall bolt, clamping the backing steel plate between the structural wall body and the wall-leaning square pipe, and fixing the integral triangular truss overhanging support frame on the structural wall body through the wall-leaning square pipe;
2.4 The I-steel is erected on the triangular truss cantilever support frame fixed on the structural wall body, and the I-steel is fixed on the triangular truss cantilever support frame on the structural wall body through the zigzag fastening gasket.
Compared with the prior art, the utility model has the following characteristics and beneficial effects:
(1) According to the utility model, the triangular truss cantilever support frame is fixed on the structural wall body only through two high-strength bolts, so that the structural steel bars and concrete are extremely damaged, the later leakage hidden trouble caused by the fact that a larger hole is reserved in the wall body is reduced, the installation is firm, the safety coefficient is high, and the construction potential safety hazard is effectively eliminated;
(2) The utility model is convenient for integral installation and detachment, and accelerates the construction progress;
(3) The cantilever support frame of the triangular truss is formed by welding, has good integrity, is not easy to damage, has high turnover frequency and has good economic benefit.
Drawings
FIG. 1 is a front view of an assembled triangular truss type cantilever support frame system along the direction of an outer wall;
FIG. 2 is a right side view of an assembled triangular truss type cantilever support frame system of the present utility model;
FIG. 3 is a top view of an assembled delta truss type cantilever support system of the present utility model;
fig. 4 is a schematic diagram of a connection structure between a top square tube and i-steel in an assembled triangular truss type cantilever support frame system.
Symbol description in the drawings:
1-wall-leaning square tube, 2-inclined support square tube, 3-top square tube, 4-inner support inclined square tube, 5-inner support transverse square tube, 6-inner support vertical square tube,
7-backing steel plate, 8-reserved bolt holes, 9-through-wall bolts, 10-positioning bolt holes, 11-I-steel positioning bolts,
12-structural wall, 13-zigzag fastening gasket and 14-I-steel.
Detailed Description
In order to enable those skilled in the art to better understand the technical solutions of the present utility model, the present utility model will be described in further detail below with reference to the accompanying drawings and detailed description.
Wherein the drawings are for illustrative purposes only and are shown in schematic, non-physical, and not intended to be limiting of the present patent; for the purpose of better illustrating embodiments of the utility model, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the size of the actual product; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numbers in the drawings of embodiments of the utility model correspond to the same or similar components; in the description of the present utility model, it should be understood that, if the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, only for convenience in describing the present utility model and simplifying the description, rather than indicating or implying that the apparatus or elements being referred to must have a specific orientation, be constructed and operated in a specific orientation, so that the terms describing the positional relationships in the drawings are merely for exemplary illustration and should not be construed as limiting the present patent, and that the specific meaning of the terms described above may be understood by those of ordinary skill in the art according to specific circumstances.
In the description of this patent, unless explicitly stated and limited otherwise, the term "coupled" or the like should be interpreted broadly, as referring to the connection between components, for example, either fixedly, detachably, or integrally; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between the two parts or interaction relationship between the two parts. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1 to 4, the assembled triangular truss cantilever support frame system includes: the novel wall support comprises a structural wall body 12, a wall-leaning square pipe 1, an inclined support square pipe 2, a top square pipe 3, a backing steel plate 7, an inner support inclined square pipe 4, an inner support transverse square pipe 5, an inner support vertical square pipe 6 and I-steel 14, wherein the wall-leaning square pipe 1, the inclined support square pipe 2 and the top square pipe 3 are welded end to form a triangular truss cantilever support frame, the inner support inclined square pipe 4, the inner support transverse square pipe 5 and the inner support vertical square pipe 6 are fixed inside the triangular truss cantilever support frame through welding, a reserved bolt hole 8 is formed in the wall-leaning square pipe 1, the triangular truss support frame is fixed on the structural wall body 12 through penetrating the reserved bolt hole 8 through a wall penetrating bolt 9, one face of the backing steel plate 7 is welded and fixed with the wall-leaning square pipe 1, the other face of the backing steel plate 7 is pressed on the structural wall body 12, and the I-steel 14 is vertically fixed on the top square pipe 3 through a zigzag fastening gasket 13. The main bearing frame and the supporting frame of the triangular truss overhanging supporting frame are formed by welding the wall leaning square pipe 1, the inclined supporting square pipe 2 and the top square pipe 3 in an end-to-end mode, and the inner supporting inclined square pipe 4, the inner supporting transverse square pipe 5 and the inner supporting vertical square pipe 6 are fixed inside the triangular truss overhanging supporting frame through welding to form a force transmission frame. The welding connection can enable the triangular truss overhanging support frame system structure to be firmer, the integrity is strong, and the triangular truss overhanging support frame system structure is not easy to damage. The wall-leaning square pipe 1 is provided with a reserved bolt hole 8, and the triangular truss type support frame is fixed on a structural wall body 12 by penetrating through the reserved bolt hole 8 through a wall penetrating bolt 9. The structure is characterized in that the wall-leaning square tube 1 is fixed on the structural wall body 12 by penetrating the reserved bolt holes 8 through the wall-penetrating bolts 9, namely, the triangular truss overhanging support frame is fixed on the structural wall body 12, the damage to structural steel bars and concrete is extremely small, the later leakage hidden trouble brought by reserving a larger hole in the wall body is reduced, the installation is firm, the safety coefficient is high, and the construction potential safety hazard is effectively eliminated. Simultaneously, backing steel sheet 7 one side and lean on wall side pipe 1 welded fastening, backing steel sheet 7 another side compresses tightly on the structure wall body 12, namely, backing steel sheet 7 presss from both sides between wall side pipe 1 and structure wall body 12 for the dispersion lean on wall side pipe 1 and act on the load on the structure wall body 12. The I-steel 14 is vertically fixed on the top square tube 3 through the zigzag fastening gasket 13, and the I-steel 14 can be firmly prevented from sliding to be fixed on the top square tube 3.
Further, as shown in fig. 1 to 4, the structural wall body 12 is provided with an embedded threaded hole, the wall-leaning square tube 1 and the backing steel plate 7 are provided with reserved bolt holes 8, the reserved bolt holes 8 correspond to the embedded threaded holes in position, and the wall-leaning square tube 1 and the backing steel plate 7 are fixed on the structural wall body 12 by penetrating through the reserved bolt holes and the embedded threaded holes through the wall-penetrating bolts 9. The above structure specifically defines the connection relationship between the structural wall 12 and the triangular truss overhanging support frame system. The concrete structure is that the reserved bolt holes 8 are formed in the wall-leaning square pipe 1 and the back lining steel plate 7, the reserved bolt holes 8 correspond to the pre-buried threaded holes in position, and the wall-leaning square pipe 1 and the back lining steel plate 7 are fixed to the structural wall body 12 through the wall-penetrating bolts 9 penetrating the reserved bolt holes and the pre-buried threaded holes.
Further, as shown in fig. 1 to 4, the through-wall bolts 9 are 32#c-level high-strength bolts, the number of the reserved bolt holes 8 is 2, the number of the pre-buried threaded holes is 2, the positions are corresponding, 2 reserved bolt holes 8 are uniformly spaced on the wall-leaning square tube 1, 2 pre-buried threaded holes are uniformly spaced on the structural wall 12, and the diameter of 2 reserved bolt holes 8 is 40mm. According to engineering mechanics calculation, a triangular truss cantilever support frame system is fixed on a structural wall body 12 by using a 32#C-level high-strength bolt as a wall penetrating bolt 9. Correspondingly, the wall penetrating bolts 9 are selected to be 32#C-level high-strength bolts, and the diameters of the embedded threaded holes and the reserved bolt holes 8 are 40mm.
Further, as shown in fig. 1 to 4, 4 positioning bolt holes 10 with the diameter of 20mm are formed in the top square tube 3, 2 zigzag fastening gaskets 13 are fixed on the top square tube (3) through the positioning bolt holes 10 by 2M 14 x 120 bolts 11, and the i-steel 14 is clamped and fixed between the 2 zigzag fastening gaskets 13. This structure defines in particular how the i-steel 14 is fixed to the top square tube 3 by means of the zigzag-shaped fastening gaskets 13.
Further, as shown in fig. 1 to 4, the wall-leaning square tube 1 and the top square tube 3 are square steel tubes with a minimum cross section of more than 80×80mm, a maximum cross section of less than 120×120mm and a wall thickness of 5-6 mm, the diagonal bracing square tube 2 is square steel tubes with a minimum cross section of more than 60×60mm, a maximum cross section of less than 80×80mm and a wall thickness of 3-4 mm, and the internal bracing diagonal square tube 4, the internal bracing horizontal square tube 5 and the internal bracing vertical square tube 6 are square steel tubes with a minimum cross section of more than 30×30mm, a maximum cross section of less than 50×50mm and a wall thickness of 3-4 mm. Compared with the prior art that angle irons are used as all parts of the triangular truss cantilever support frame, the triangular truss cantilever support frame is formed by welding square tubes with more uniform bearing force. And selecting different sizes of square tubes at different positions according to stress calculation of the cantilever support frame of the triangular truss in engineering. In this embodiment, the optimal dimensions of the wall side tube 1 and the top side tube 3 are selected to be 100×100×6mm square steel tubes, the optimal dimensions of the diagonal bracing side tube 2 are selected to be 70×70×4mm square steel tubes, and the optimal dimensions of the inner bracing diagonal side tube 4, the inner bracing horizontal side tube 5, and the inner bracing vertical side tube 6 are selected to be 40×40×4mm square steel tubes.
Further, as shown in fig. 1 to 4, the thickness of the backing steel plate 7 is 5 to 7mm. The backing steel plate 7 acts to first disperse the load acted on the structural wall body 12 by the wall leaning square tube 1 and acts to second prevent the triangular truss overhanging support frame from shaking left and right. According to engineering calculation, the thickness of the backing steel plate 7 is 5-7 mm. The backing steel sheet 7 in this embodiment is a 5mm thick steel sheet.
The utility model also discloses a mounting method of the assembly type triangular truss cantilever support frame system, which comprises the following steps:
step 1), arranging pre-buried threaded holes on a structural wall according to a positioning chart of a through-wall bolt hole of a triangular truss type support frame;
step 2) after the concrete pouring construction of the floor top plate of the triangular support frame is required to be installed, paying out a positioning line of the triangular truss type support frame, horizontally pulling through the line, welding a wall-leaning square pipe, an inclined strut square pipe, a top square pipe, a backing steel plate, an inner strut inclined square pipe, an inner strut transverse square pipe and an inner strut vertical square pipe into a triangular truss cantilever support frame, fixing the welded triangular truss cantilever support frame on a structural wall body through a wall penetrating bolt, erecting I-steel on the triangular truss cantilever support frame fixed on the structural wall body, and fixing the I-steel on the triangular truss cantilever support frame on the structural wall body through a zigzag fastening gasket;
step 3) checking and accepting the triangular truss type cantilever support frame system;
and 4) after the triangular truss type cantilever support frame system is accepted, erecting a protective scaffold on the upper part of the triangular truss type cantilever support frame system, and putting the triangular truss type cantilever support frame system into use after the scaffold is accepted.
Further, the step 2) comprises
2.1 After the floor top plate concrete pouring construction of the triangular support frame is finished, releasing the positioning line of the triangular truss type support frame and horizontally pulling the line;
2.2 Welding the wall-leaning square pipe, the inclined support square pipe and the top square pipe end to form a triangular truss cantilever support frame, then welding and fixing the inner support inclined square pipe in the triangular truss cantilever support frame along the diagonal of the triangular truss cantilever support frame, welding and fixing the inner support transverse square pipe in the triangular truss cantilever support frame along the direction parallel to the top square pipe, and welding and fixing the inner support vertical square pipe in the triangular truss cantilever support frame along the direction parallel to the wall-leaning square pipe;
2.3 Welding a backing steel plate on the outer side of the wall-leaning square pipe, arranging reserved bolt holes on the backing steel plate and the wall-leaning square pipe, fixing the wall-leaning square pipe and the backing steel plate on a structural wall body through the reserved bolt holes by penetrating through a wall bolt, clamping the backing steel plate between the structural wall body and the wall-leaning square pipe, and fixing the integral triangular truss overhanging support frame on the structural wall body through the wall-leaning square pipe;
2.4 The I-steel is erected on the triangular truss cantilever support frame fixed on the structural wall body, and the I-steel is fixed on the triangular truss cantilever support frame on the structural wall body through the zigzag fastening gasket.
It should be understood that the above description is only illustrative of the preferred embodiments of the present utility model and the technical principles employed. It will be apparent to those skilled in the art that various modifications, equivalents, variations, and the like can be made to the present utility model. However, such modifications are intended to fall within the scope of the present utility model without departing from the spirit of the present utility model. In addition, some terms used in the specification and claims of the present application are not limiting, but are merely for convenience of description.
Claims (6)
1. The utility model provides a support frame system encorbelments of assembled triangular truss, its characterized in that, including structure wall body (12), lean on wall side pipe (1) and bracing side pipe (2), top side pipe (3), back lining steel sheet (7) and interior bracing side pipe (4), interior bracing side pipe (5), interior bracing perpendicular side pipe (6) and I-steel (14), lean on wall side pipe (1), bracing side pipe (2) and top side pipe (3) end to end welding into the support frame of encorbelmenting of triangular truss, interior bracing side pipe (4), interior bracing side pipe (5) and interior bracing side pipe (6) are fixed to inside the support frame of encorbelmenting of triangular truss through welded fastening, set up on the side pipe (1) of leaning on reserved bolt hole (8) will the support frame of encorbelmenting of triangular truss is fixed on structure wall body (12), back lining steel sheet (7) one side and wall side pipe (1) welded fastening, back lining steel sheet (7) another side compresses tightly on structure wall body (12), I-steel (14) are fixed on square pipe (3) perpendicular through the font fastening gasket (13).
2. The assembled triangular truss cantilever support frame system according to claim 1, wherein the structural wall body (12) is provided with an embedded threaded hole, the wall-leaning square tube (1) and the backing steel plate (7) are provided with reserved bolt holes (8), the reserved bolt holes (8) correspond to the embedded threaded holes in position, and the wall-leaning square tube (1) and the backing steel plate (7) are fixed to the structural wall body (12) through the wall-penetrating bolts (9) penetrating the reserved bolt holes and the embedded threaded holes.
3. The assembled triangular truss overhanging support frame system according to claim 2, wherein the through-wall bolts (9) are 32#c-level high-strength bolts, the number of the reserved bolt holes (8) is 2, the number of the reserved bolt holes is 2, the positions of the reserved bolt holes are corresponding, 2 reserved bolt holes (8) are uniformly arranged on the wall leaning square tube (1) at intervals, 2 pre-buried bolt holes are uniformly arranged on the structural wall (12) at intervals, and the diameter of 2 reserved bolt holes (8) is 40mm.
4. The assembled triangular truss cantilever support frame system according to claim 3, wherein 4 positioning bolt holes (10) with the diameter of 20mm are formed in the top square tube (3), 2 zigzag fastening gaskets (13) are fixed on the top square tube (3) through 2M 14 x 120 bolts (11) penetrating through the positioning bolt holes (10), and I-shaped steel (14) is clamped and fixed between the 2 zigzag fastening gaskets (13).
5. The assembled triangular truss overhanging support frame system according to claim 4, wherein the wall leaning square tube (1) and the top square tube (3) are square steel tubes with the minimum cross section being larger than 80×80mm, the maximum cross section being smaller than 120×120mm and the wall thickness being 5-6 mm, the diagonal bracing square tube (2) is square steel tubes with the minimum cross section being larger than 60×60mm, the maximum cross section being smaller than 80×80mm and the wall thickness being 3-4 mm, and the inner bracing diagonal square tube (4), the inner bracing transverse square tube (5) and the inner bracing vertical square tube (6) are square steel tubes with the minimum cross section being larger than 30×30mm, the maximum cross section being smaller than 50×50mm and the wall thickness being 3-4 mm.
6. The assembled triangular truss cantilever support frame system according to claim 5, wherein the thickness of the backing steel plate (7) is 5-7 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320051937.6U CN218990875U (en) | 2023-01-09 | 2023-01-09 | Assembled triangular truss cantilever support frame system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320051937.6U CN218990875U (en) | 2023-01-09 | 2023-01-09 | Assembled triangular truss cantilever support frame system |
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| CN218990875U true CN218990875U (en) | 2023-05-09 |
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| CN202320051937.6U Active CN218990875U (en) | 2023-01-09 | 2023-01-09 | Assembled triangular truss cantilever support frame system |
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- 2023-01-09 CN CN202320051937.6U patent/CN218990875U/en active Active
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