CN116290701A

CN116290701A - Built-in-free assembled overhanging scaffold

Info

Publication number: CN116290701A
Application number: CN202310278562.1A
Authority: CN
Inventors: 王狄; 夏蛟; 吴辉; 于高建; 杨潇; 万超; 陈振振
Original assignee: China Construction Industrial and Energy Engineering Group Co Ltd; Zhongsheng Construction Machinery Nanjing Heavy Industry Co Ltd
Current assignee: China Construction Industrial and Energy Engineering Group Co Ltd; Zhongsheng Construction Machinery Nanjing Heavy Industry Co Ltd
Priority date: 2023-03-21
Filing date: 2023-03-21
Publication date: 2023-06-23

Abstract

The invention relates to the technical field of building construction, and discloses an embedded-free assembled overhanging scaffold, which comprises the following components: a first support plate for being placed on a floor; and a second support plate for being placed on another floor slab, the second support plate being located at a lower end of the first support plate while extending to a side extending from an outer edge of the floor slab; and a longitudinal support for bracing between the floor slab and the first support plate and for bracing between the floor slab and the second support plate; and a construction scaffold for being placed on the outer edge side of the floor slab, extending along the stacking direction of the floor slab. The cantilever scaffold disclosed by the invention is characterized in that the machine frame is fixed in a mode of not being embedded with the embedded part, but being fixed between floors by using the longitudinal supporting part, so that a erecting platform of the scaffold is provided, and the cantilever scaffold has the technical effects of reduced construction period and cost, simplicity in construction, high safety and stable suspension.

Description

Built-in-free assembled overhanging scaffold

Technical Field

The invention relates to the technical field of building construction, in particular to an embedded-free assembled overhanging scaffold.

Background

The scaffold is a working platform which is erected to ensure that each construction process is carried out smoothly.

In building construction, the overhead operation is an indispensable link, and the overhanging scaffold is a overhanging bracket consisting of a cross rod or an inclined rod which is overhanging from a building, and is emptied above the bottom surface, so that the overhanging scaffold is used as common overhead operation equipment, is various and is widely applied to building construction.

Due to the structural design and load bearing requirements, the traditional overhanging scaffold has some defects: the traditional overhanging scaffold needs to pre-embed operation on the support piece, namely the installation of the embedded piece needs to be carried out in advance, concrete solidification and forming still needs to be waited after the installation is completed, the embedded piece needs to be dismantled after the operation is completed, an operation space is reserved for subsequent engineering, the construction period and the cost are increased, and the traditional overhanging scaffold has the problems of complex construction, low safety performance and poor suspension stability.

Based on the above, the application provides an embedded-free assembled overhanging scaffold for solving the defects of the prior art.

Disclosure of Invention

The invention aims to provide an embedded-free assembled overhanging scaffold so as to solve the problems in the background technology.

In order to solve the technical problems, the invention provides the following technical scheme: an exempt from pre-buried assembled scaffold frame of encorbelmenting, includes: a first support plate for being placed on a floor; and a second support plate for being placed on another floor slab, the second support plate being located at a lower end of the first support plate while extending to a side extending from an outer edge of the floor slab; and a longitudinal support for bracing between the floor slab and the first support plate and for bracing between the floor slab and the second support plate; and a construction scaffold for being placed on an outer edge side of the floor slab, extending along a stacking direction of the floor slab, and a lower end of the construction scaffold being supported on the second support plate; and an anchor for connecting the construction scaffolding to the first support plate and for connecting the construction scaffolding to the second support plate, thereby providing the construction scaffolding with a pulling force directed in the direction of the floor slab.

Preferably, the construction scaffold comprises a plurality of grid structures, the grid structures are distributed along the extending direction of the second supporting plate, the second supporting plate extends out of the part of the outer edge side of the floor slab to support, and the anchor pull piece extends to sequentially pass through the grid structures and is connected with the nodes corresponding to the grid structures.

Preferably, the construction scaffold further comprises: the connecting rods are used for connecting the nodes of the grid-shaped structure, which correspond to each other; and one end of each stay rope is used for connecting a node connected with the connecting rod and the grid-shaped structure, and the other end of each stay rope is used for connecting the first supporting plate.

Preferably, each grid-shaped structure consists of a plurality of cross bars and a plurality of vertical rods, and the cross bars are connected with the vertical rods, the nodes are connected with the connecting rods and the anchor pull pieces through fasteners.

Preferably, the pre-buried assembly type cantilever scaffold is free from, and further comprises a protective net, wherein the protective net is arranged on one side of the construction scaffold, which is far away from the first support plate and the second support plate.

Preferably, the anchor pull piece and the connecting rod are all extended to be connected with the protection network, one side of the anchor pull piece, which is close to the protection network, is provided with a bolt hole, and the protection network is provided with a bolt piece at the position corresponding to the bolt hole, and the bolt hole is connected with the bolt piece through a bolt and a nut.

Preferably, the first support plate and the second support plate are fixedly provided with drawknot bases, the anchor pulling piece is a rod piece, and one end of the anchor pulling piece, which is far away from the construction scaffold, penetrates through the drawknot bases; the end part of the anchor pulling piece is also provided with an anchor pulling bolt which is connected with the anchor pulling bolt, and the anchor pulling bolt is abutted with the drawknot base to form a pulling and fixing effect on the construction scaffold.

Preferably, the first support plate and the second support plate are fixedly provided with a pull piece supporting seat, the pull piece supporting seat is positioned between the drawknot base and the construction scaffold, and the anchor pull piece also penetrates through the pull piece supporting seat.

Preferably, the longitudinal supporting member is a rod member, the longitudinal supporting member comprises supporting seats positioned at two end parts thereof, the supporting seat at one end of the longitudinal supporting member is connected with the first supporting plate or the second supporting plate, and the supporting seat at the other end is used for being abutted on the floor slab.

Preferably, the first support plate and the second support plate are composed of a plurality of I-steel plates which are arranged in parallel, and the overhanging scaffold further comprises a transverse support piece which is propped between every two I-steel plates.

Compared with the prior art, the invention has the following beneficial effects: the invention discloses an embedded-free assembled overhanging scaffold, which is characterized in that a first supporting plate and a second supporting plate are firstly arranged between floors as a frame structure of the overhanging scaffold, an adhesive force platform is provided for the arrangement of a construction scaffold, a longitudinal supporting piece and a transverse supporting piece are arranged, the first supporting plate and the second supporting plate are supported and fixed between floors, the step of arranging embedded pieces in the traditional scaffold is avoided, an anchor pulling piece is also arranged, the construction scaffold is connected with the frame structure, the assembly is simple, and finally a pull rope is also arranged to disperse the stress of the first supporting plate, so that the stability and the safety of the overhanging scaffold are improved.

Drawings

The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:

FIG. 1 is a schematic diagram of a cantilever foot hand rack in a side view according to an embodiment of the present invention;

FIG. 2 is a schematic view of a cantilever foot hand rest in front view according to an embodiment of the present invention;

FIG. 3 is a detail view of the cantilever foot hand stand at A in FIG. 1 in accordance with an embodiment of the present invention;

FIG. 4 is a detail view of the cantilever foot hand stand at B in FIG. 1 in accordance with an embodiment of the present invention;

FIG. 5 is a detail view of the cantilever foot hand stand at C in FIG. 1 in an embodiment of the present invention;

in the figure:

a first support plate 1;

a second support plate 2;

longitudinal supports 3a, 3b,

support seats

31a, 31b;

the construction scaffold 4 comprises a grid structure 41, nodes 411, cross bars 412, upright rods 413, connecting rods 42, pull ropes 43a and 43b and fasteners 44;

anchor

5a, 5b,

tie base

52a, 52b, anchor bolt 53a, 53b,

anchor support

54a, 54b;

bolt holes

51a, 51b, 421;

a protective net 6, a latch piece 61;

lateral supports

7a, 7b;

first floor 8a, second floor 8b, and third floor 8c.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

The scaffold is a working platform which is erected to ensure that each construction process is carried out smoothly. The overhanging scaffold is a overhanging bracket consisting of a cross rod or a diagonal rod which is selected from a building, is emptied above the bottom surface, is used as common high-altitude operation equipment, has various types and is widely applied to building construction. Due to the structural design and load bearing requirements, the traditional overhanging scaffold has some defects: the traditional overhanging scaffold needs to pre-embed operation on the support piece, namely the installation of the embedded piece needs to be carried out in advance, concrete solidification and forming still needs to be waited after the installation is completed, the embedded piece needs to be dismantled after the operation is completed, an operation space is reserved for subsequent engineering, the construction period and the cost are increased, and the traditional overhanging scaffold has the problems of complex construction, low safety performance and poor suspension stability.

Based on the defects, the application provides an embodiment, which is an optimal scheme of the pre-buried-free assembled overhanging scaffold. Specifically, this embodiment uses three-layer floor as an example to illustrate the structure of this overhanging scaffold.

Specifically, as shown in fig. 1, for the structural schematic diagram of the overhanging scaffold on the side view surface, fig. 1 shows that the overhanging scaffold includes a first supporting plate 1 and a second supporting plate 2, the first supporting plate 1 is placed on a second floor slab 8b, the second supporting plate 2 is placed on a first floor slab 8a, the first floor slab 8a forms a supporting action on the second supporting plate 2, so that the second supporting plate 2 is located at the lower end of the first supporting plate 1, and meanwhile, the second supporting plate 2 extends to the outer edge side extending out of the first floor slab 8a, and the extending part is used as a platform for constructing the scaffold 4, namely, the first supporting plate 1 and the second supporting plate 2 are used as a frame structure of the overhanging scaffold.

Further, in this embodiment, the first support plate 1 and the second support plate 2 are each composed of a plurality of i-beams arranged in parallel, the arrangement direction of the i-beams points to the wall boards on two sides of the floor slab, each i-beam of the second support plate 2 extends out of the outer edge side of the first floor slab 8a, and the extending directions of the i-beams of the first support plate 1 and the i-beams of the second support plate 2 are the same.

Further, in order to avoid fixing the first support plate 1 and the second support plate 2 by arranging the embedded parts, as shown in fig. 1, the overhanging scaffold further comprises longitudinal support members 3a and 3b, wherein the longitudinal support member 3a is propped between the lower side of the third floor slab 8c and the first support plate 1, and the longitudinal support member 3b is propped between the lower side of the second floor slab 8b and the second support plate 2, so that the longitudinal support members 3a and 3b respectively form a fixing effect on the first support plate 1 and the second support plate 2, and the first support plate 1 and the second support plate 2 are prevented from generating displacement in the stacking direction of the floor slabs.

Further, in the present embodiment, the i-steel of each first support plate 1 is correspondingly provided with two longitudinal supports 3a, and the i-steel of each second support plate 2 is correspondingly provided with two longitudinal supports 3b.

Further, as shown in fig. 1, the longitudinal supports 3a and 3b are rod members, wherein in order to increase stability of the longitudinal supports 3a and 3b, supporting seats 31a are disposed at two ends of the longitudinal support 3a, and the supporting seat 31a at one end of the longitudinal support 3a is welded with the i-steel of the first supporting plate 1, and the supporting seat 31a at the other end is abutted against the lower side of the third floor slab 8 c; simultaneously, the two ends of the longitudinal supporting piece 3b are respectively provided with a supporting seat 31b, the supporting seat 31b at one end of the longitudinal supporting piece 3b is welded with the I-steel of the second supporting plate 2, and the supporting seat 31a at the other end is abutted against the lower side of the second floor slab 8 b.

Further, the overhanging scaffold further comprises transverse supporting

pieces

7a and 7b, the transverse supporting

pieces

7a and 7b are rod pieces, the transverse supporting pieces are propped between every two I-steel, specifically, the transverse supporting piece 7a is propped between every two I-steel of the first supporting plate 1, and the transverse supporting piece 7b is propped between every two I-steel of the second supporting plate 2.

Further, as shown in fig. 1, after the construction of the frame structure of the overhanging scaffold is completed, the construction scaffold 4 needs to be constructed on the frame, in this embodiment, the construction scaffold 4 is disposed on the outer edge side of the three-layer floor slab, extends along the stacking direction of the three-layer floor slab, and the lower end of the construction scaffold 4 is supported on the second support plate 2 at a portion extending beyond the outer edge side of the first-layer floor slab 8 a.

Further, as shown in fig. 1, in the present embodiment, the scaffold 4 includes two lattice structures 41 disposed vertically to the floor, the two lattice structures 41 being distributed along the extending direction of the second support plate 2 and supported by the portion of the second support plate 2 extending beyond the outer edge side of the floor.

Further, as shown in fig. 2, the structural schematic diagram of the overhanging scaffold in the front view shows that each grid-like structure 41 is composed of a plurality of cross bars 412 and a plurality of vertical bars 413, the plurality of vertical bars 413 are parallel to the longitudinal supports 3a and 3b, the cross bars 412 are vertically arranged between the vertical bars 413, the plurality of cross bars 412 are distributed at equal intervals along the stacking direction of the floors, the plurality of vertical bars 413 are distributed at equal intervals along the extending direction of the cross bars 412, and the cross bars 412 are connected with the vertical bars 413 through fasteners 44.

Further, as shown in fig. 1, the overhanging scaffold further comprises

anchor pull pieces

5a and 5b, wherein the anchor pull pieces 5a are used for connecting the construction scaffold 4 with the first support plate 1, the anchor pull pieces 5b are used for connecting the construction scaffold 4 with the second support plate 2, so that a pulling force pointing to the floor direction is provided for the construction scaffold 4, the construction scaffold 4 is firmly connected with the first support plate 1 and the second support plate 2, and meanwhile, the

anchor pull pieces

5a and 5b play the role of transverse cross bars in the traditional scaffold, and the anchor pull pieces 5b play the role of transverse sweeping bars in the traditional scaffold.

Further, as shown in fig. 1, the anchors 5a extend to pass through the upper portions of the two mesh-like structures 41 in sequence, the nodes 411 corresponding to the two mesh-like structures 41 are also connected by the fasteners 44, and the anchors 5b extend to pass through the lower portions of the two mesh-like structures 41 in sequence, and the nodes 411 corresponding to the two mesh-like structures 41 are also connected by the fasteners 44.

Further, as shown in fig. 1, the construction scaffold 4 further includes a connecting rod 42, and the connecting rod 42 is used for connecting the nodes 411 corresponding to the middle parts of the two grid structures 41 through a fastener 44; meanwhile, in the embodiment, the construction scaffold 4 further comprises pull ropes 43a and 43b, wherein the pull ropes 43a and 43b are made of steel wire ropes, one end of the pull rope 43a is connected with one end of the connecting rod 42, one end of the pull rope 43b is connected with the other end of the connecting rod 42, and the other ends of the pull ropes 43a and 43b are connected with the end part of the first supporting plate 1; so can decompose the gravity that construction scaffolding 4 received many times, transmit to first backup pad 1 to reduce construction scaffolding 4 and to the pressure of second backup pad 2, avoid second backup pad 2 bearing too big and impaired.

Specifically, bolt holes are formed at two ends of the connecting rod 42, a buckle plate is welded at a position, close to the outer edge side of the second floor slab 8b, on the first supporting plate 1, holes are formed in the buckle plate, and two ends of the pull ropes 43a and 43b are respectively bound and connected with the holes of the buckle plate and the bolt holes in the connecting rod 42.

Further, as shown in fig. 1, the

anchor

5a, 5b is connected to the first support plate 1 and the second support plate 2 in the following manner: the

anchor pull pieces

5a and 5b are rod pieces, a tie base 52a is welded on the I-steel of the first support plate 1, one end of the anchor pull piece 5a far away from the construction scaffold 4 passes through the tie base 52a, an anchor pull bolt 53a is arranged at the end part of the anchor pull piece 5a and is in threaded connection with the anchor pull piece 5a, and the anchor pull bolt 53a is in butt joint with the tie base 52a to form a pulling and fixing effect on the construction scaffold 4; the tie base 52b is welded on the I-steel of the second support plate 2, one end of the anchor pull piece 5b far away from the construction scaffold 4 penetrates through the tie base 52b, an anchor pull bolt 53b is arranged at the end of the anchor pull piece 5b and is in threaded connection with the anchor pull piece 5b, and the anchor pull bolt 53b is in butt joint with the tie base 52b, so that the construction scaffold 4 is pulled and fixed.

Further, as shown in fig. 1, the i-steel of the first support plate 1 is welded with a pull piece support seat 54a, the pull piece support seat 54a is located between the drawknot base 52a and the construction scaffold 4, and the anchor pull piece 5a also passes through the pull piece support seat 54a to form a supporting function on the middle part of the anchor pull piece 5 a; meanwhile, a pull piece supporting seat 54b is welded on the I-steel of the second supporting plate 2, the pull piece supporting seat 54b is positioned between the drawknot base 52b and the construction scaffold 4, and the anchor pull piece 5b also passes through the pull piece supporting seat 54b to form a supporting effect on the middle part of the anchor pull piece 5 b.

Further, as shown in fig. 1-2, the overhanging scaffold further comprises a protective net 6, and the protective net 6 is arranged at one side of the construction scaffold 4 far away from the first support plate 1 and the second support plate 2.

Further, as shown in fig. 3, for the detail view of the overhanging scaffold in fig. 1 at a, fig. 4 is a detail view of the overhanging scaffold in fig. 1 at B, fig. 5 is a detail view of the overhanging scaffold in fig. 1 at C, and it is shown that the anchors 5a, 5B and the connecting rod 42 are all extended to be connected with the protection net 6, the sides of the anchors 5a, 5B and the connecting rod 42 close to the protection net 6 are all provided with

bolt holes

51a, 51B, 421, the positions of the protection net 6 corresponding to the

bolt holes

51a, 51B, 421 are all provided with bolt pieces 61, and the

bolt holes

51a, 51B, 421 are connected with the bolt pieces 61 through bolts and nuts.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An exempt from pre-buried assembled scaffold frame of encorbelmenting, its characterized in that includes:

a first support plate for being placed on a floor slab;

and a second support plate for being placed on another floor slab, and the second support plate being located at a lower end of the first support plate while the second support plate extends to extend out of an outer edge side of the floor slab;

and a longitudinal support for jacking between the floor slab and the first support plate and for jacking between the floor slab and the second support plate;

and a construction scaffolding for being placed on an outer edge side of the floor slab, extending along a stacking direction of the floor slab, and a lower end of the construction scaffolding being supported on the second support plate;

and an anchor for connecting the construction scaffolding with the first support plate and for connecting the construction scaffolding with the second support plate, thereby providing the construction scaffolding with a pulling force directed in the floor direction.

2. The pre-buried assembled overhanging scaffold according to claim 1, characterized in that: the construction scaffold comprises a plurality of grid structures, the grid structures are distributed along the extending direction of the second supporting plate, the second supporting plate extends out of the outer edge side of the floor to be supported, and the anchor pull piece extends to sequentially pass through the grid structures and is connected with the nodes corresponding to the grid structures.

3. The pre-buried assembled overhanging scaffold according to claim 2, characterized in that the construction scaffold further comprises:

the connecting rods are used for connecting the nodes corresponding to each other in the grid-shaped structure;

and one end of each pull rope is used for connecting the connecting rod with the nodes connected with the grid-shaped structure, and the other end of each pull rope is used for connecting the first supporting plate.

4. A pre-buried assembly type cantilever scaffold according to claim 3, wherein each grid-like structure is composed of a plurality of cross bars and a plurality of vertical bars, and the cross bars are connected with the vertical bars, the nodes are connected with the connecting rods, and the nodes are connected with the anchor pull pieces through the fasteners.

5. The pre-buried fabricated overhanging scaffold according to any one of claims 3 to 4, further comprising a protective mesh, wherein the protective mesh is disposed on a side of the construction scaffold away from the first support plate and the second support plate.

6. The pre-buried assembly type cantilever scaffold according to claim 5, wherein the anchor pull piece and the connecting rod are all extended to be connected with the protective net, bolt holes are formed in one sides, close to the protective net, of the anchor pull piece and the connecting rod, bolt pieces are arranged in positions, corresponding to the bolt holes, of the protective net, and the bolt holes are connected with the bolt pieces through bolts and nuts.

7. An embedded free fabricated overhanging scaffold according to any one of claims 1 to 4, characterized in that:

the first support plate and the second support plate are fixedly provided with drawknot bases, the anchor pull piece is a rod piece, and one end of the anchor pull piece, which is far away from the construction scaffold, penetrates through the drawknot bases;

the end part of the anchor pulling piece is also provided with an anchor pulling bolt connected with the anchor pulling bolt, and the anchor pulling bolt is abutted with the drawknot base to form a pulling and fixing effect on the construction scaffold.

8. The pre-buried assembled overhanging scaffold according to claim 7, characterized in that: the first support plate and the second support plate are fixedly provided with pull piece supporting seats respectively, the pull piece supporting seats are located between the drawknot base and the construction scaffold, and the anchor pull piece also penetrates through the pull piece supporting seats.

9. An embedded free fabricated overhanging scaffold according to any one of claims 1 to 4, characterized in that: the longitudinal support piece is a rod piece, the longitudinal support piece comprises support seats positioned at two end parts of the longitudinal support piece, one end of the longitudinal support piece is connected with the first support plate or the second support plate, and the other end of the longitudinal support piece is used for being abutted to a floor slab.

10. An embedded free fabricated overhanging scaffold according to any one of claims 1 to 4, characterized in that: the first support plate and the second support plate are composed of a plurality of I-steel plates which are arranged in parallel, and the overhanging scaffold further comprises transverse support pieces which are propped between every two I-steel plates.