CN214785809U - Stiffening plate bearing type outer frame-free construction platform for residential building - Google Patents
Stiffening plate bearing type outer frame-free construction platform for residential building Download PDFInfo
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- CN214785809U CN214785809U CN202022494018.5U CN202022494018U CN214785809U CN 214785809 U CN214785809 U CN 214785809U CN 202022494018 U CN202022494018 U CN 202022494018U CN 214785809 U CN214785809 U CN 214785809U
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Abstract
本实用新型公开了一种用于住宅建筑的加劲板承托式无外架施工平台及作法，属于结构工程技术领域。该结构由受力三角架、防护体系、连接件、加强件与螺栓组成。本实用新型提出的无外架施工防护平台相比于现有技术构造合理、传力路径明确、承载力高、装配率高且绿色环保、经济成本低。采用钢管连接件来作为防护体系与受力体系的连接方式提高了施工效率；在受力螺栓处设置加强件保证了构架受力状态不改变，保证结构稳定性；下部支撑与受力体系分离，便捷安装的同时提供了承载力储备。是一种适用于低多层住宅建筑的新型装配式无外架施工防护平台。
The utility model discloses a stiffening plate supporting type construction platform without an outer frame and a method thereof for residential buildings, belonging to the technical field of structural engineering. The structure is composed of a stressed tripod, a protection system, a connecting piece, a reinforcing piece and a bolt. Compared with the prior art, the construction protection platform without an outer frame proposed by the utility model has reasonable structure, clear force transmission path, high bearing capacity, high assembly rate, environmental protection and low economic cost. The use of steel pipe connectors as the connection method between the protection system and the stress system improves the construction efficiency; the reinforcement at the stress bolts ensures that the stress state of the frame does not change and ensures the stability of the structure; the lower support is separated from the stress system, It is easy to install and provides bearing capacity reserve. It is a new type of prefabricated construction protection platform without outer frame suitable for low-rise residential buildings.
Description
Technical Field
The utility model relates to a stiffened plate bearing formula does not have outrigger construction platform and doing all can for residential architecture belongs to structural engineering technical field.
Background
The building construction protection platform is a frame body which is erected at a certain height, is attached to a building structure and has the functions of bearing, preventing toppling and preventing falling. With the continuous development of social economy, the height of the building is increased, and meanwhile, the country strongly pushes the assembly type building, and the improvement of the process to match the assembly type construction is also needed. Traditional construction protection platform is built and is received the restriction that the scaffold was built, is not suitable for many high-rise buildings also hardly to follow the construction rhythm of assembly type structure, consequently the utility model provides an assembly type does not have outrigger construction protection system.
The construction of building construction protection platform has following several forms, forms such as traditional console mode outer scaffold frame, gate-type scaffold frame, overhanging type scaffold frame and inserted lift scaffold frame. Traditional console mode scaffold frame is applied to the multi-storey building construction more, and overhanging type scaffold frame is used for many high-rise constructions more, and inserted lift scaffold frame constantly promotes along with the construction process because of it can be through self hoisting system, is used for among the construction of high-rise, super high-rise more.
Under the existing construction conditions, the building construction protection platform has some problems. For example: although the traditional floor type scaffold is flexible to disassemble and convenient to transport, the reliability is lower, the assembly rate is lower, and in addition, the building height has strict requirements and is not suitable for the building construction at the present stage any more. A large amount of high-altitude assembling and disassembling work is required to be carried out on the cantilever type scaffold in the using process, and the cantilever type scaffold is low in construction efficiency, high in danger and large in workload. The cost of using of attached lifting scaffold is too high, and small many high-rise residential projects can't bear, operates attached lifting scaffold simultaneously and has higher requirement to managers' quality otherwise very easy accident.
To the problem that exists in current construction protection platform system, the utility model provides a be used for many high-rise shear wall system assembled not have outrigger construction protection platform possess following advantage: (1) simple structure and definite force transmission path. (2) High bearing capacity and high safety performance. (3) The use is extensive, practices thrift the space. (4) The assembly degree is high, and the transportation is convenient. (5) Green, sustainable, economical and practical.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a stiffened plate bearing formula does not have outrigger construction platform for residential building to the installation that the protection platform exists of solving current building construction is complicated, safe deposit is low, be unfavorable for assembled construction, be unfavorable for green development scheduling problem.
A stiffened plate bearing type external frame-free construction platform for residential buildings is divided into a stressed structure, a surrounding structure and a node connection structure; the force-bearing structure is divided into a main force-bearing component and a reinforcing component (5).
The main body stress member in the stress structure is a plurality of stress triangular trusses (1), and the bottom of each stress triangular truss (1) is provided with a reinforcing member (5). The reinforcing member (5) is formed by welding a bent clamping plate (6), a supporting plate (7), a rectangular rib plate (8) and a backing plate (9), the bottom of the stressed triangular truss (1) is inserted by the bent clamping plate (6), the bent clamping plate (6) is fixed on the supporting plate (7) through the rectangular rib plate (8), the backing plate (9) is welded at the lower part of the bent clamping plate (6), a threaded hole for fixing an opposite-penetrating bolt (17) is formed in the backing plate (9), and the stressed triangular truss (1) is connected to a shear wall through the fixed opposite-penetrating bolt (17); all the stressed triangular trusses (1) are arranged on the same plane, and the enclosure structure is fixed on the stressed triangular trusses (1) through the node connection structure. The envelope structure comprises a scaffold inner vertical rod (11), a scaffold outer vertical rod (12), a scaffold cross rod (13) and a scaffold longitudinal rod (14). The scaffold inner vertical rod (11) and the scaffold outer vertical rod (12) are vertically installed on the triangular truss body (3), the scaffold cross rod (13) is installed between the scaffold inner vertical rod (11) and the scaffold outer vertical rod (12), the scaffold vertical rod (14) is installed between the adjacent scaffold vertical rods, and the scaffold inner vertical rod (11), the scaffold outer vertical rod (12), the scaffold cross rod (13) and the scaffold vertical rod (14) are all connected through the scaffold fastening piece in a fastening mode. The node connecting structure is composed of steel pipe connecting nodes (15), and the steel pipe connecting nodes (15) are fastened with the scaffold inner vertical rod (11) and the scaffold outer vertical rod (12) through bolts.
The stressed triangular truss (1) is formed by sequentially welding an upper truss chord member (2), a diagonal web member (3) and a vertical web member (4) of the truss to form a triangular structure; the truss upper chord member (2), the truss diagonal web members (3) and the truss vertical web members (4) are all hot-rolled seamless square steel tubes, and the scaffold tube connecting pieces (15) are welded on the top surface of the truss upper chord member (2). The upper part of the truss vertical web member (4) is fixed on the shear wall body through a stressed bolt (18).
An angle steel frame is welded on the stress triangular truss body (1), supporting steel bars are arranged in the angle steel frame, and steel meshes are fully paved to support a template to form a working space.
A through hole is reserved in the center of the bending splint (6) and the base plate (9) for the penetration of the fixing bolt (17). The supporting plate (7) provides partial vertical support for the stressed triangular truss (1); the bending included angle of the upper part of the bending splint (6) is 30 degrees.
The scaffold inner vertical rod (11), the scaffold outer vertical rod (12), the scaffold cross rod (13), the scaffold longitudinal rod (14), the scaffold pipe connecting piece (15) and the steel pipe reinforcing piece (16) are all hot-rolled seamless circular steel pipes.
The fixing bolt (17) and the stressed bolt (18) are high-strength bolts.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model relates to a stiffened plate bearing formula does not have outrigger construction platform and way of doing all can for residential housing, its concrete way is as follows:
the first step is as follows: a stressed triangular truss (1) is welded in a factory workshop, and an upper truss chord member (2), a truss diagonal web member (3) and a truss vertical web member (4) are welded in sequence according to drawing requirements. And drilling the truss vertical web members (4) and welding steel pipe reinforcements (16).
The second step is that: welding a supporting system (5) in a factory workshop, drilling a bent clamping plate (6) and a backing plate (9), welding, and then welding with a supporting plate (7) and a rectangular rib plate (8) according to the drawing requirements.
The third step: processing scaffold pipe connecting pieces (15) in a factory workshop and welding the scaffold pipe connecting pieces to corresponding positions of the truss upper chord (2); preparing the inner vertical rod (11) of the scaffold, the outer vertical rod (12) of the scaffold, the cross rod (13) of the scaffold, the longitudinal rod (14) of the scaffold and corresponding fasteners required by the protection system (10).
The fourth step: and (3) installing a support system (5) and a stressed triangular truss (1) on site. The supporting system (5) is placed at a designated position, then the fixing penetrating bolt (17) penetrates through the bending clamping plate (6), the supporting system (5) and the reserved hole of the wall body in sequence, and the bolt is screwed up to complete installation. The lower end of a truss vertical web member (3) of the stressed triangular truss (1) is sleeved into a bent clamping plate (6) of a supporting system (5), then the position is adjusted, stressed split bolts (18) sequentially penetrate through the truss vertical web member (3) and reserved holes of a wall body, and the bolts are tightened to complete installation.
The fifth step: a protective system (10) is installed in the field. And sequentially inserting the inner upright rod (11) and the outer upright rod (12) of the scaffold into the corresponding scaffold pipe connecting pieces (15), and screwing bolts on the scaffold pipe connecting pieces (15) to finish fixing. The scaffold cross bar (13) is fixed with the scaffold inner upright post (11) and the scaffold outer upright post (12) through fasteners to finish one-frame installation. And determining the distance between the stressed triangular truss (1) and the auxiliary components thereof according to the standard requirements and the actual conditions of a construction site, and connecting each stressed triangular truss (1) and the auxiliary components thereof through the longitudinal rods (14) of the scaffold to finish the integral installation of the structure.
And a sixth step: laying steel mesh sheets and erecting steel plate meshes. Angle steel is welded on the upper chord (2) of the truss to form a frame body, and steel bars are arranged in the frame and used for supporting the template. And laying the steel mesh into the angle steel welding frame to form a working space. The steel plate net is hung on the vertical rod (14) of the scaffold to form horizontal protection.
Compared with the prior art, the utility model relates to a stiffened plate bearing formula does not have outrigger construction platform and way of doing all can for residential housing has following advantage:
(1) the structure is simple, the force transmission path is clear, and the bearing capacity is high. The utility model discloses main atress component is atress triangular truss and atress split bolt, and wherein atress triangular truss directly bears the load and transmits the atress split bolt. Compared with the utility model of the same kind, the utility model discloses a square steel pipe is as the main material, and cross sectional area and radius of gyration are all great and provide higher bearing capacity and stability can for the structure.
(2) The installation is convenient, and the security performance is good. The utility model discloses take the disconnect-type design, connect through the bolt between each part, greatly degree has kept the flexibility of installation when guaranteeing safety. Compare in current all put the design on the montant with connected node, the utility model discloses with the stress connection and the separation of fixed connection, can carry out great adjustment in the installation, avoid because the installation problem that the reservation hole error leads to.
(3) The use is extensive, practices thrift the space. The utility model provides an outer protection system of assembly type structure for shear force wall system adopts the following divided design of lower part support system of atress truss, and this security, the efficiency that just makes the high altitude installation have all been guaranteed. Therefore, the utility model discloses not only can be applied to assembled building structure, also can be applied to cast-in-place structure. Meanwhile, due to the fact that the assembly is simple and convenient, streamlined construction can be achieved through parts of two or three layers of the entering field, and the problems of small area of a stock yard and insufficient stacking area are greatly relieved.
(4) The assembly degree is high, and the transportation is convenient. The utility model discloses divide into the three, the simple high efficiency of connection form between each part, it is very convenient to dismantle the equipment. All parts are prefabricated in factory workshops, the size of the components is strictly guaranteed, the component form is simple, the specification is unified, and loading, unloading and transportation are very convenient.
(5) Green, sustainable, economical and practical. The utility model provides an outer protection architecture structure of assembly type structure for shear force wall system succinct, pass the power route clear and definite, difficult emergence loss. Therefore, the transition times are greatly improved, the continuous recycling can be realized, and the economic cost is lower.
Drawings
FIG. 1 is a diagram of the overall effect of the protection system.
Fig. 2 is a detailed view of the force-bearing triangular truss.
FIG. 3 is a detailed view of the support system.
FIG. 4 is a detailed view of the protection system.
Detailed Description
The following further describes the present invention with reference to specific embodiments.
A stiffened plate bearing type construction platform without an external frame for residential buildings is shown in figure 1, and comprises a stressed triangular truss (1), truss upper chords (2), truss diagonal web members (3), truss vertical web members (4), a support system (5), bending clamping plates (6), supporting plates (7), rectangular rib plates (8), backing plates (9), a protection system (10), scaffold internal upright rods (11), scaffold external upright rods (12), scaffold cross rods (13), scaffold longitudinal rods (14), scaffold pipe connecting pieces (15), steel pipe reinforcing pieces (16), fixed opposite-penetrating bolts (17) and stressed opposite-penetrating bolts (18).
The utility model discloses the structure is constituteed and the relation of connection as follows, the utility model discloses can divide into atress structure, envelope structure and nodal connection structure on structural function, wherein the atress structure can divide into main part atress component and strengthening member.
The main body stress component in the stress structure is a stress triangular truss (1) which is formed by welding an upper truss chord member (2), a truss inclined web member (3) and a truss vertical web member (4), and is connected to a shear wall body through a stress opposite-penetrating bolt (18). Wherein, the upper chord member (2) of the truss is welded with a 5 multiplied by 5 angle steel frame, a supporting steel bar with the diameter of 20mm is arranged in the frame, and a steel mesh sheet is fully paved to support the template to form a working space. The reinforcing member is formed by welding a bent clamping plate (6), a supporting plate (7), a rectangular rib plate (8) and a backing plate (9) for a supporting system (5), is connected to the shear wall body through a fixed penetrating bolt (17), and the supporting plate (7) is used for clamping an upper main body stress member.
The enclosure structure is characterized in that a protection system (10) consists of a scaffold inner vertical rod (11), a scaffold outer vertical rod (12), a scaffold cross rod (13) and a scaffold longitudinal rod (14). Wherein the inner vertical rod (11) of the scaffold, the outer vertical rod (12) of the scaffold, the cross rod (13) of the scaffold and the longitudinal rod (14) of the scaffold are fastened and connected through a fastener of the scaffold.
The node connecting structure is composed of scaffold tube connecting pieces (15) and is respectively fastened with the scaffold inner vertical rod (11) and the scaffold outer vertical rod (12) through bolts.
The stressed triangular truss (1) comprises an upper truss chord (2), a diagonal truss web member (3) and a vertical truss web member (4) as shown in fig. 2, the stressed triangular truss (1) is made of square steel pipes with the specification of 100 multiplied by 4, the length of the upper truss chord (2) is 1200mm, and a scaffold pipe connecting piece (15) is welded on the upper truss for fixing a scaffold and providing a working plane; the length of the truss diagonal web member (3) is 1300mm, and the truss diagonal web member is used for keeping the stability of the triangular frame body; the length of the truss vertical web member (4) is 1100mm, and a stressed bolt (18) is arranged on the truss vertical web member and is used for being connected with a wall body. A round hole with the diameter of 35mm is arranged at the position 100mm away from one end of the truss vertical web member (4). And scaffold pipe connecting pieces (15) are respectively welded at the positions of the upper chord (2) of the truss, which are 30mm away from the end part. One end of the truss vertical web member (4) with the opening is welded with the truss upper chord member (2), the center point of the cross section of the truss inclined web member (3) is welded at a position which is 200mm away from the unwelded end of the truss upper chord member (2) and the truss vertical web member (4), and the stressed triangular truss (1) is manufactured. The stressed triangular truss (1) is a main stressed system of the structure, is different from a main stressed member manufactured by angle steel and channel steel in the prior art, and is manufactured by a square steel pipe. Research shows that the bearing capacity of the stressed triangular truss (1) made of the square steel pipe is more than 1.5 times that of a stressed member made of equal-steel-quantity angle steel.
The supporting system (5) is composed of a bent clamping plate (6), a supporting plate (7), a rectangular rib plate (8) and a backing plate (9) as shown in figure 3, and the material is a steel plate. Wherein the specification of the bending splint (6) is 90 multiplied by 300 multiplied by 14 steel plate; a steel plate having a pallet (7) specification of 140X 100X 10; the specification of the rectangular rib plate (8) is 70 multiplied by 100 multiplied by 10 steel plate; the backing plate (9) is a steel plate with the specification of 140 multiplied by 100 multiplied by 5. The bent clamping plate (6) is bent for 30 degrees along the short side at a position 50mm away from one end, and a hole with the diameter of 26mm is drilled at the center 50mm away from the other end and is used for penetrating through a connecting bolt. The base plate (9) is provided with a hole with the diameter of 26mm at the center point for the penetration of a connecting bolt. The backing plate (9) is aligned with the hole of the bending splint (6) for welding, and the bending splint (6) is welded with the long edge of the supporting plate (7) at a position 100mm away from the end part of one side of the opening of the bending splint (6); and meanwhile, the rectangular rib plate (8) is welded in the middle of the formed right-angle position, the long side is welded with the bent clamping plate (6), the short side is welded with the supporting plate (7), and the support system (5) is manufactured. The 30-degree bending of the bending clamping plate (6) is convenient for inserting of the truss vertical web member (4) under the high-altitude construction condition, so that the whole installation process is quicker, more efficient and safer. The rectangular rib plate (8) is arranged, so that the rigidity and stability of the node are greatly improved, and the safety and reliability of the construction protection platform are improved. The support system (5) mainly restrains the out-of-plane rotation of the upper stress system and can provide certain vertical bearing capacity. The traditional wall-attached structure needs to be hoisted, and then a plurality of bolts are aligned to the outer vertical surface of the building by constructors for installation, so that the installation is difficult. According to the structure, two bolt holes in a bearing system are converted into two independent bolt holes which are respectively installed, a constructor can install the stress triangular truss (1) on a shear wall through hoisting equipment, then the stress triangular truss (1) is clamped by the constructor installation supporting system (5) and is fastened with a wall body through high-strength bolts, and the assembly difficulty is greatly reduced.
The protection system (10) is formed by connecting an inner vertical rod (11) of a scaffold, an outer vertical rod (12) of the scaffold, a cross rod (13) of the scaffold and a longitudinal rod (14) of the scaffold through fasteners as shown in figure 4. All scaffold rods are made of steel pipes with the wall thickness of 51 mm and the wall thickness of 3mm, wherein the lengths of the inner vertical rod (11) and the outer vertical rod (12) of the scaffold are 2000 mm; the length of the scaffold cross bar (13) is 1200 mm; the scaffold vertical rod (14) is flexibly selected according to the actual situation of the engineering field. The outer upright posts (12) of the scaffold, the inner upright posts (11) of the scaffold and the cross posts (13) of the scaffold form a frame, and the frames are connected by the longitudinal posts (14) of the scaffold to form an integral frame structure. During the use with pole setting (11) in the scaffold, pole setting (12) outside the scaffold insert scaffold pipe connecting piece (15) and screw up the screw and accomplish fixedly, the whole arrangement of protection system is the frame form, and anti side force all has the promotion of a wide margin with stability and provides more reliable safety protection for the construction. The traditional construction maintenance system only sets up outside enclosure pole piece usually and is equivalent to the utility model provides an outer pole (12) of scaffold and scaffold vertical pole (14). The utility model discloses pole setting (11) and scaffold frame horizontal pole (13) in the scaffold frame increase for the first time make upper portion enclosure system form frame system, and the frame system of formation is showing the stability and the antidumping ability that have improved the maintenance system, can effectively carry the security and the reliability of maintaining the system.
The scaffold pipe connecting piece (15) is made of a round steel pipe with the length of 150mm, the diameter of 60mm and the wall thickness of 3 mm; the bolt is M24S 8.9 grade. And a hole with the diameter of 30mm is formed in the middle of the round steel pipe, and a nut corresponding to the M24 bolt is welded. The scaffold pipe connecting piece (15) is welded on the truss upper chord (2) and is fastened through bolts to complete the joint work of the protection system (10) and the stressed triangular truss (1). The utility model discloses scaffold union coupling (15) is used creatively, and the mode that uses bolt extrusion fastening is connected non-main atress system rather than the supporting system for the first time in the outer system of maintaining, very big improvement assembly rate, and do benefit to the cyclic utilization of upper portion enclosure component.
The steel pipe reinforcing part (16) adopts a round steel pipe with the length of 100mm, the diameter of 32mm and the thickness of 3 mm. The steel pipe reinforcing piece (16) is welded in the hole formed in the truss vertical web member (4), the welding quality is strictly controlled, and after the welding is finished, grinding treatment is carried out to prevent stress concentration. Set up steel pipe reinforcement (16) do the utility model discloses one of the innovation point, this node is main atress node, has undertaken the most load of system. Therefore, the arrangement of the steel pipe reinforcing piece not only effectively improves the local stress state of the bolt arranged on the truss vertical web member (4), avoids the adverse effect caused by local instability, but also improves the integral bearing capacity reserve of the protection system, and further ensures the safety performance.
The fixed opposite-penetrating bolt (17) is an M24S 10.9-level high-strength bolt and is arranged on a supporting system. The fixed penetrating bolt is a structural constraint component and is used for fixing the supporting system to constrain the vertical displacement of the tripod and the rotation outside the plane.
The stress opposite-penetrating bolt (18) is an M24S 10.9-level high-strength bolt and is arranged on the truss vertical web member. The stress opposite-penetrating bolt is a main stress component of the structure and bears and transmits construction load transmitted by the protection system and the tripod.
As shown in the figure, the stiffening plate bearing type outer frame-free construction platform for the residential building comprises a stressed triangular truss (1), truss upper chords (2), truss diagonal web members (3), truss straight web members (4), a support system (5), bending clamping plates (6), supporting plates (7), rectangular rib plates (8), backing plates (9), a protection system (10), scaffold inner vertical rods (11), scaffold outer vertical rods (12), scaffold cross rods (13), scaffold longitudinal rods (14), scaffold pipe connecting pieces (15), steel pipe reinforcing pieces (16), fixed opposite-penetrating bolts (17) and stressed opposite-penetrating bolts (18).
And determining the load borne by the outer protection system according to building structure load specification, steel structure design specification and building construction scaffold safety technology unified standard, and calculating to obtain the arrangement distance of the stressed triangular trusses. The outer protection system is arranged in the required number of the two layers of the entering field, the outer protection system is fixedly arranged through the through bolt before the outer wall construction, and the required outer protection system of the next layer is arranged at the same time. And after the construction of the current floor is finished, the external protection system is detached and installed on the next floor through the tower crane, so that the flow process is formed.
In the normal use stage, the main stress components of the utility model are all in the elastic working state. The high-strength bolts on the vertical web members of the truss bear the main load of the system, so that the triangular truss is prevented from moving up and down; the bolts supporting the system provide out-of-plane stiffness, preventing out-of-plane rotation of the system. The steel pipe reinforcing part is used for locally reinforcing the bolt hole, and the problem that local instability is caused due to local extrusion easily caused by bolt penetration concentration is solved. The quality of the welding seam is strictly controlled in the factory prefabrication process, and each welding seam is ensured to reach the first-level welding seam standard.
Adopt a stiffening plate bearing formula does not have outrigger construction platform for residential housing, the structure is constructed rationally, connect reliable, safe durable, green, is a novel protection system who is applicable to the protection of construction outer wall.
The above is an exemplary embodiment of the present invention, and the implementation of the present invention is not limited thereto.
Claims (7)
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022494018.5U CN214785809U (en) | 2020-11-02 | 2020-11-02 | Stiffening plate bearing type outer frame-free construction platform for residential building |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022494018.5U CN214785809U (en) | 2020-11-02 | 2020-11-02 | Stiffening plate bearing type outer frame-free construction platform for residential building |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112227688A (en) * | 2020-11-02 | 2021-01-15 | 中交第四公路工程局有限公司 | A stiffened plate-supported construction platform without outer frame and its method for residential buildings |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112227688A (en) * | 2020-11-02 | 2021-01-15 | 中交第四公路工程局有限公司 | A stiffened plate-supported construction platform without outer frame and its method for residential buildings |
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Granted publication date: 20211119 |