A cantilevered scaffold structure that can be dismantled in advance

Abstract

The application relates to a cantilevered scaffold structure capable of being dismounted in advance, and belongs to the technical field of building construction. The scaffold structure comprises channel steels, steel pipes, connecting pipes and supporting assemblies. The channel steels are provided with multiple roots, the multiple channel steels are fixedly connected with one end of a floor slab, and the other end of the channel steels is exposed outside the floor slab. The steel pipes are provided with multiple roots, and the multiple steel pipes are installed on the channel steels. The supporting assemblies are provided with multiple roots, one end of the multiple supporting assemblies is tightly connected with the steel pipes, and the other end of the supporting assemblies is tightly abutted with the surface of the backfilled fat groove. The connecting pipes are provided with multiple roots, and each connecting pipe is fixedly connected with multiple steel pipes. The application has the effect of easily erecting the scaffold.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of building construction, in particular to a cantilevered scaffold structure that can be removed in advance. BACKGROUND

[0002] With the rapid development of people's life, building construction is also increasing, and most of the building construction is house building. In the process of house building, a scaffold needs to be erected near the end of the main structure close to the fat groove to facilitate smooth construction.

[0003] Due to the existence of the fat groove, there is no support point, and a cantilevered scaffold structure is usually erected near the position of the main structure close to the fat groove, which is used for subsequent construction.

[0004] According to the above-mentioned related technology, the inventors believe that when the floor is high, according to the Notification of the Office of the Ministry of Housing and Urban-Rural Development on the Implementation of the Regulations on the Safety Management of Dangerous Sub-Projects No. 31, cantilevered scaffold erection exceeding 20 meters belongs to dangerous sub-projects. At the position of 20m high, a cantilevered scaffold erection is performed again to meet the demand of external protection frame body. There is a defect that the scaffold erection is more troublesome. SUMMARY

[0005] In order to achieve the effect of easily erecting the scaffold, the present application provides a cantilevered scaffold structure that can be removed in advance.

[0006] A cantilevered scaffold structure that can be removed in advance, comprising channel steel, steel pipes, connecting pipes and support assemblies, the channel steel is provided with a plurality of channel steels, the plurality of channel steels are fixedly connected at one end with the floor slab, and the other end of the channel steel is exposed to the floor slab. The steel pipes are provided with a plurality of steel pipes, and the plurality of steel pipes are installed on the channel steel. The support assemblies are provided with a plurality of support assemblies, one end of the plurality of support assemblies is tightly connected with the steel pipe, and the other end of the support assembly is tightly abutted with the surface of the fat groove after backfilling. The connecting pipes are provided with a plurality of connecting pipes, and each connecting pipe is fixedly connected with the plurality of steel pipes.

[0007] By adopting the above technical scheme, when the scaffold needs to be erected, the channel steel is first installed on the bottom floor slab, the steel pipe is installed on the channel steel, and the connecting pipe is installed. The cantilevered scaffold is erected by the steel pipe and the connecting pipe, which is convenient for construction and use. The fat groove is backfilled until the fat groove is backfilled, the one end of the support assembly is installed on the surface of the fat groove after backfilling, the other end of the support assembly is tightly connected with the steel pipe, the channel steel is removed, the cantilevered scaffold becomes a floor scaffold, the floor scaffold is continuously erected until the scaffold is completely erected, the floor scaffold is more stable relative to the cantilevered scaffold, and the floor scaffold does not belong to dangerous projects. The floor scaffold is more easily erected, and the effect of easily erecting the scaffold is achieved.

[0008] Optionally, every two channel steels are a group, the two channel steels are oppositely arranged, a plurality of semicircular holes are formed on the channel steel, the support assembly passes through the semicircular hole, and the steel pipe is arranged outside the semicircular hole.

[0009] By adopting the technical scheme, the steel pipe is arranged in the semicircular hole, and the semicircular hole is arranged to fix the steel pipe.

[0010] Optionally, a semicircular arc plate is fixed at the position of the semicircular hole, a connecting sleeve is fixed at one end of the steel pipe close to the channel steel, the steel pipe is partially embedded in the connecting sleeve, and the connecting sleeve and the two semicircular arc plates are tightly abutted.

[0011] By adopting the technical scheme, the two semicircular arc plates and the connecting sleeve are tightly connected, the connection between the connecting sleeve and the channel steel is more firm, the steel pipe is partially embedded in the connecting sleeve, the connection between the steel pipe and the channel steel is more firm, and the stability of the connection between the steel pipe and the channel steel is improved.

[0012] Optionally, the support assembly comprises a base, a support rod and an extension rod, the base is installed on the surface of the filled fertilizer groove, the support rod is fixedly connected with the base, one end of the extension rod is embedded in the support rod, and the extension rod and the support rod are slidingly connected; when the scaffold structure is installed, the other end of the extension rod away from the support rod is embedded in the connecting sleeve, and the extension rod and the steel pipe are tightly abutted.

[0013] By adopting the technical scheme, the base is installed on the surface of the filled fertilizer groove to serve as the support base of the scaffold, the extension rod is slid until the extension rod is slid into the connecting sleeve, the extension rod cannot continue to slide, the extension rod and the steel pipe are tightly abutted, the steel pipe is supported, and the steel pipe is fixed.

[0014] Optionally, a through hole is formed in the support rod, a plurality of fixing grooves are formed in the extension rod, and a positioning rod is arranged on the support rod and embedded in any one of the fixing grooves through the through hole.

[0015] By adopting the technical scheme, when the overall length of the support rod and the extension rod needs to be adjusted, the positioning rod is pulled out, and the extension rod is slid to adjust the overall length of the support rod and the extension rod; when the overall length of the support rod and the extension rod is adjusted to the required length, the positioning rod is embedded in the fixing groove to fix the support rod and the extension rod.

[0016] Optionally, a reset spring is arranged on the positioning rod in a ring sleeve, and the reset spring is in a natural state when the positioning rod passes through the through hole and is embedded in the positioning groove.

[0017] By adopting the above technical solution, when it is necessary to adjust the overall length of the support rod and the extension rod, pull out the positioning rod and adjust the overall length of the support rod and the extension rod. When the overall length of the support rod and the extension rod is adjusted to the required length, release the positioning rod, and under the action of the reset spring, the positioning rod will bounce back to the fixed groove, achieving a convenient and quick effect.

[0018] Optionally, a plurality of reinforcement grooves are provided on the side wall of the extension rod, and a reinforcement block is slidably provided on the side wall of the connecting sleeve. When the scaffolding structure is installed, the reinforcement block is embedded in the reinforcement groove.

[0019] By adopting the above technical solution, when the scaffolding structure is installed, the extension rod is embedded in the connecting sleeve, and the extension rod and the steel pipe are tightened. At this time, the reinforcement block passes through the side wall of the connecting sleeve and is embedded in the reinforcement groove, making the connection between the extension rod and the connecting sleeve more firm, thereby achieving the effect of increasing the stability of the connection between the extension rod and the connecting sleeve.

[0020] Optionally, a reinforcement spring is provided on the ring sleeve of the reinforcement block, and the reinforcement spring, the reinforcement block and the connecting sleeve are fixedly connected. When the extension rod and the steel pipe are tightened, the reinforcement block is embedded in the reinforcement groove. At this time, the reinforcement spring is in a stretched state. When the extension rod is separated from the connecting sleeve, the reinforcement spring is in a natural state, and the reinforcement blocks on the same connecting sleeve do not contact.

[0021] By adopting the above technical solution, when the extension rod is installed and the steel pipe is tightened, the steel pipe pushes out the reinforcement block. As the extension rod slides, until the reinforcement groove slides to the position of the reinforcement block, the reinforcement spring bounces the reinforcement block back into the reinforcement groove, thereby fixing the extension rod, achieving a convenient and quick effect; when the scaffolding structure needs to be dismantled, slide the reinforcement block, slide the extension rod into the connecting sleeve, and the scaffolding can be dismantled.

[0022] Optionally, a pointed cone is fixed to one end of the extension rod inserted into the connecting sleeve, and when the scaffolding structure is installed, the pointed cone is completely embedded in the steel pipe.

[0023] By adopting the above technical solution, the pointed cone is completely embedded in the steel pipe. The setting of the pointed cone makes the connection between the extension rod and the steel pipe more secure, thereby increasing the stability of the connection between the extension rod and the steel pipe.

[0024] Optionally, a driving spring is provided inside the support rod, one end of the driving spring is fixedly connected to the bottom of the support rod, and the other end of the driving spring is fixedly connected to the extension rod. When the extension rod and the steel pipe are tightened, the driving spring is in a compressed state.

[0025] By adopting the technical scheme, when the base is installed, the positioning rod is pulled out, the extension rod is popped into the connecting sleeve under the action of the driving spring, and the steel pipe is tightly pressed, so that the worker is prevented from sliding the extension rod, and the convenient and quick effect is achieved; and the driving spring is arranged, so that the connection between the support rod and the extension rod is more firm, and the effect of increasing the connection stability between the support rod and the extension rod is achieved.

[0026] In summary, the present application has at least one of the following beneficial technical effects:

[0027] 1. The arrangement of the channel steel, the steel pipe, the connecting pipe and the support assembly achieves the effect of easily erecting the scaffold;

[0028] 2. The arrangement of the semicircular hole achieves the effect of fixing the steel pipe;

[0029] 3. The arrangement of the semicircular arc plate achieves the effect of increasing the connection stability between the steel pipe and the channel steel;

[0030] 4. The arrangement of the base, the support rod and the extension rod achieves the effect of supporting the steel pipe;

[0031] 5. The arrangement of the through hole, the fixing groove and the positioning rod achieves the effect of fixing the support rod and the extension rod;

[0032] 6. The arrangement of the reset spring, the reinforcing spring and the driving spring achieves the effect of being convenient and quick. BRIEF DESCRIPTION OF DRAWINGS

[0033] Figure 1 is a schematic diagram of the overall structure of the embodiment of the present application;

[0034] Figure 2 is a sectional view of the embodiment of the present application;

[0035] Figure 3 is Figure 2 a local enlarged schematic diagram of part A in FIG.

[0036] In the figure, 1 is a channel steel; 11 is a semicircular hole; 12 is a semicircular arc plate; 2 is a steel pipe; 21 is a connecting sleeve; 3 is a connecting pipe; 4 is a support assembly; 41 is a base; 42 is a support rod; 43 is an extension rod; 44 is a through hole; 45 is a fixing groove; 46 is a positioning rod; 47 is a reset spring; 5 is a reinforcing groove; 6 is a reinforcing block; 7 is a reinforcing spring; 8 is a sharp cone; and 9 is a driving spring. DETAILED DESCRIPTION

[0037] The following will be described in detail in combination with the accompanying Figures 1-3 The present application will be further described in detail.

[0038] The embodiment of the present application discloses a cantilevered scaffold structure which can be dismantled in advance.

[0039] Reference will be made toFigure 1 The early dismantling cantilever scaffold structure comprises channel steel 1, steel pipe 2, connecting pipe 3 and support assembly 4, the channel steel 1 is the bearing base of the cantilever scaffold structure, the steel pipe 2 and the connecting pipe 3 are the main body of the scaffold structure, and the support assembly 4 is used for supporting the scaffold structure, facilitating the dismantling of the channel steel 1 and the easy continuation of the scaffold erection.

[0040] With reference to Figure 1 The channel steel 1 is provided with a plurality of channel steels 1, and the plurality of channel steels 1 are all mounted on the bottom floor, the plurality of channel steels 1 and the floor are all arranged in parallel, the end of the channel steel 1 close to the floor is provided with a positioning bolt, the positioning bolt penetrates through the channel steel 1 and the floor at the same time, the positioning bolt fixes the channel steel 1 on the floor, the end of the channel steel 1 away from the floor is exposed to the floor and is above the fat groove, every two channel steels 1 form a group, the two channel steels 1 in each group are oppositely arranged, and the two channel steels 1 in each group are closed.

[0041] The end of the channel steel 1 exposed to the fat groove is provided with two semicircular holes 11, the two semicircular holes 11 are arranged at intervals, the semicircular holes 11 of the two channel steels 1 in each group are connected to form a circular hole, the channel steel 1 is fixed with a semicircular arc plate 12 at the position of the semicircular hole 11, the edges of the semicircular arc plate 12 and the channel steel 1 correspond to each other and are perpendicular, the center of the semicircular hole 11 corresponding to each semicircular arc plate 12 coincides with each other, one side of the channel steel 1 fixed with the semicircular arc plate 12 is provided with a connecting sleeve 21, one connecting sleeve 21 corresponds to two semicircular arc plates 12, the end faces of the connecting sleeve 21 and the semicircular arc plate 12 are perpendicular, the connecting sleeve 21 is embedded between the two corresponding semicircular arc plates 12, the connecting sleeve 21 and the two semicircular arc plates 12 are in abutment, the connecting sleeve 21 and the two semicircular arc plates 12 are in sliding connection, and the sliding direction is arranged along the length direction of the connecting sleeve 21.

[0042] One end of the steel pipe 2 is embedded in the connecting sleeve 21, the one end of the steel pipe 2 embedded in the connecting sleeve 21 is fixedly connected with the connecting sleeve 21, the length direction of the steel pipe 2 is the same as the length direction of the connecting sleeve 21, the connecting pipe 3 is provided with a plurality of connecting pipes 3, each connecting pipe 3 is fixedly connected with the plurality of steel pipes 2, the connecting pipe 3 and the steel pipe 2 are perpendicular, the plurality of connecting pipes 3 are parallel to each other, the connecting pipe 3 and the steel pipe 2 are staggered to form the scaffold main body, when the fat groove is not backfilled, the cantilever scaffold is erected, the channel steel 1 is mounted on the floor, the connecting sleeve 21 is embedded in the semicircular hole 11, the semicircular arc plate 12 reinforces the connecting sleeve 21, and then the connecting pipe 3 is mounted, until the cantilever scaffold is erected, facilitating the normal construction and use.

[0043] With reference to Figure 2 and Figure 3The support assembly 4 comprises a base 41, a support rod 42 and an extension rod 43. The base 41 is fixed on the surface of the filled trench, one base 41 corresponds to one steel pipe 2, the axis of the steel pipe 2 passes through the center of the base 41, the steel pipe 2 is perpendicular to the base 41, one end of the support rod 42 is fixedly connected with the base 41, the support rod 42 is perpendicular to the base 41, the axis of the support rod 42 passes through the center of the base 41, the length direction of the extension rod 43 is the same as that of the support rod 42, one end of the extension rod 43 is embedded in the support rod 42, the extension rod 43 is slidably connected with the support rod 42, the sliding direction is arranged along the length direction of the support rod 42, and one end of the extension rod 43 exposed from the support rod 42 is fixedly connected with the sharp cone 8. When the scaffold structure is installed, the sharp cone 8 of the extension rod 43 passes through the semicircular hole 11, the extension rod 43 is embedded in the connecting sleeve 21, and the sharp cone 8 of the extension rod 43 is embedded in the steel pipe 2.

[0044] A through hole 44 is formed in one end of the support rod 42 away from the base 41, a plurality of fixing grooves 45 are formed in the extension rod 43, the plurality of fixing grooves 45 are equidistantly arranged along the length direction of the extension rod 43, the length direction of the plurality of fixing grooves 45 is perpendicular to the length direction of the extension rod 43, a positioning rod 46 is arranged on the support rod 42, the positioning rod 46 passes through the through hole 44 and is embedded in any one fixing groove 45, when the positioning rod 46 is embedded in the fixing groove 45, the length direction of the positioning rod 46 is the same as that of the fixing groove 45, and the positioning rod 46 is slidably connected with the support rod 42 and the extension rod 43, and the sliding direction is arranged along the length direction of the fixing groove 45.

[0045] A reset spring 47 is arranged on the positioning rod 46 in a sleeving mode, the length direction of the reset spring 47 is the same as that of the positioning rod 46, one end of the reset spring 47 is fixedly connected with the support rod 42, and the other end of the reset spring 47 is fixedly connected with one end of the positioning rod 46 exposed from the fixing groove 45. When the positioning rod 46 passes through the through hole 44 and is embedded in the positioning groove, the reset spring 47 is in a natural state.

[0046] A driving spring 9 is arranged in the support rod 42, the length direction of the driving spring 9 is the same as that of the support rod 42, one end of the driving spring 9 is fixedly connected with one end of the support rod 42 close to the base 41, and the other end of the driving spring 9 is fixedly connected with one end of the extension rod 43 embedded in the support rod 42. When the sharp cone 8 of the extension rod 43 is embedded in the steel pipe 2, the driving spring 9 is in a compressed state, and the extension rod 43 cannot enter the steel pipe 2. After the trench is filled, the base 41 of the support assembly 4 is fixed on the surface of the filled trench, the positioning rod 46 is pulled out, the extension rod 43 is ejected under the action of the driving spring 9, the sharp cone 8 of the extension rod 43 is ejected into the steel pipe 2, the positioning rod 46 is released, the extension rod 43 is fixed, the installation of the support assembly 4 is completed, all channel steels 1 are removed, the cantilevered scaffold structure is changed into a floor scaffold structure, and the scaffold structure can be continuously erected.

[0047] Referring to Figure 1 Two reinforcing grooves 5 are formed in the side wall of the extension rod 43, the two reinforcing grooves 5 are oppositely arranged, the length direction of the two reinforcing grooves 5 is perpendicular to the length direction of the extension rod 43, a reinforcing block 6 is slidingly arranged in the side wall of the connecting sleeve 21, the length direction of the reinforcing block 6 is perpendicular to the length direction of the connecting sleeve 21, a reinforcing spring 7 is annularly arranged on the reinforcing block 6, the length direction of the reinforcing spring 7 is the same as the length direction of the reinforcing block 6, one end of the reinforcing spring 7 is fixedly connected with one end of the connecting sleeve 21 exposed outside the reinforcing block 6, the other end of the reinforcing spring 7 is fixedly connected with the connecting sleeve 21, when the pointed cone 8 of the extension rod 43 is completely embedded in the steel pipe 2, the reinforcing block 6 is embedded in the reinforcing groove 5, one reinforcing block 6 corresponds to one reinforcing groove 5, at this time, the reinforcing spring 7 is in a stretched state, when the extension rod 43 is separated from the connecting sleeve 21, the reinforcing spring 7 is in a natural state, the two reinforcing blocks 6 are left with a distance at the end close to each other, the pointed cone 8 of the extension rod 43 is aligned with the gap between the two reinforcing blocks 6.

[0048] After the backfilling of the fertilizer groove is completed, the support assembly 4 is installed according to the position of the steel pipe 2, the base 41 of the support assembly 4 is fixed on the surface after the backfilling of the fertilizer groove, the positioning rod 46 is pulled out, the extension rod 43 is pushed into the connecting sleeve 21 under the action of the driving spring 9, the pointed cone 8 of the extension rod 43 is embedded in the steel pipe 2, the reinforcing block 6 is pushed out in the process of sliding of the extension rod 43, until the pointed cone 8 of the extension rod 43 is embedded in the steel pipe 2, the reinforcing block 6 is embedded in the reinforcing groove 5, then all the channel steels 1 are removed, the cantilevered scaffold structure is changed into a floor-mounted scaffold structure, and then the upper layer scaffold can be continued to be erected.

[0049] The implementation principle of the cantilevered scaffold structure which can be removed in advance in the embodiment of the application is as follows: when the scaffold needs to be erected, a plurality of channel steels are fixed on the floor, a connecting sleeve is installed on the channel steel, a steel pipe is fixed in the connecting sleeve, and a plurality of connecting pipes are installed, so that the installation of the bottom layer cantilevered scaffold structure is completed, so as to facilitate normal construction, after the backfilling of the fertilizer groove is completed, the base of the support assembly is fixed on the surface after the backfilling of the fertilizer groove according to the position of the steel pipe, the positioning rod is pulled out, the extension rod is pushed into the connecting sleeve under the action of the driving spring, the pointed cone of the extension rod is embedded in the steel pipe, the reinforcing block is embedded in the reinforcing groove, then all the channel steels are removed, the upper layer scaffold can be continued to be erected, which is convenient for construction, when the scaffold needs to be removed after all the construction is completed, the scaffold structure is removed layer by layer, finally the positioning rod is pulled out, and the support assembly is removed.

[0050] The embodiments of the specific embodiment are the preferred embodiments of the application, and do not limit the protection scope of the application, so that: any equivalent changes made according to the structure, shape, principle of the application should be covered within the protection scope of the application.

Claims

1. A cantilever scaffolding structure that can be dismantled in advance, characterized by: The invention comprises a channel steel (1), a steel pipe (2), a connecting pipe (3) and a supporting assembly (4); a plurality of channel steels (1) are provided, one end of each of the plurality of channel steels (1) is fixedly connected to a floor slab, and the other end of the channel steel (1) is exposed to the floor slab; a plurality of steel pipes (2) are provided, and the plurality of steel pipes (2) are installed on the channel steel (1); a plurality of supporting assemblies (4) are provided, one end of each of the plurality of supporting assemblies (4) is tightly pressed against the steel pipe (2), and the other end of the supporting assemblies (4) is tightly abutted against the surface of the fertilizer tank after backfilling; a plurality of connecting pipes (3) are provided, and each connecting pipe (3) is fixedly connected to the plurality of steel pipes (2) at the same time; Every two of the channel steels (1) form a group, and the two channel steels (1) are arranged opposite to each other. A plurality of semicircular holes (11) are opened on the channel steel (1), one end of the support assembly (4) passes through the semicircular hole (11), and the steel pipe (2) is placed outside the semicircular hole (11); A semicircular plate (12) is fixed at the position of the semicircular hole (11), a connecting sleeve (21) is fixed at one end of the steel pipe (2) close to the channel steel (1), the steel pipe (2) is partially embedded in the connecting sleeve (21), and the connecting sleeve (21) and the two semicircular plates (12) are in close contact; The support assembly (4) includes a base (41), a support rod (42) and an extension rod (43). The base (41) is installed on the surface of the fertilizer tank after backfilling. The support rod (42) and the base (41) are fixedly connected. One end of the extension rod (43) is embedded in the support rod (42). The extension rod (43) and the support rod (42) are slidably connected. When the scaffolding structure is installed, the end of the extension rod (43) away from the support rod (42) is embedded in the connecting sleeve (21), and the extension rod (43) and the steel pipe (2) are pressed tightly. The support rod (42) is provided with a through hole (44), the extension rod (43) is provided with a plurality of fixing grooves (45), and the support rod (42) is provided with a positioning rod (46), which passes through the through hole (44) and is embedded in any one of the fixing grooves (45); The upper ring sleeve of the positioning rod (46) is provided with a return spring (47). When the positioning rod (46) passes through the through hole (44) and is embedded in the positioning groove, the return spring (47) is in a natural state.

2. The cantilever scaffolding structure that can be dismantled in advance according to claim 1 is characterized in that: A plurality of reinforcement grooves (5) are provided on the side wall of the extension rod (43), and a reinforcement block (6) is slidably provided on the side wall of the connecting sleeve (21). When the scaffolding structure is installed, the reinforcement block (6) is embedded in the reinforcement groove (5).

3. The cantilever scaffolding structure that can be dismantled in advance according to claim 2 is characterized in that: The reinforcing block (6) is provided with a reinforcing spring (7) in a ring sleeve. The reinforcing spring (7), the reinforcing block (6) and the connecting sleeve (21) are all fixedly connected. When the extension rod (43) and the steel pipe (2) are pressed tightly, the reinforcing block (6) is embedded in the reinforcing groove (5). At this time, the reinforcing spring (7) is in a stretched state. When the extension rod (43) is separated from the connecting sleeve (21), the reinforcing spring (7) is in a natural state, and the reinforcing blocks (6) on the same connecting sleeve (21) do not contact each other.

4. The cantilever scaffolding structure that can be dismantled in advance according to claim 1 is characterized in that: One end of the extension rod (43) inserted into the connecting sleeve (21) is fixed with a pointed cone (8). When the scaffolding structure is installed, the pointed cone (8) is completely embedded in the steel pipe (2).

5. The cantilever scaffolding structure that can be dismantled in advance according to claim 4 is characterized in that: A driving spring (9) is provided inside the support rod (42), one end of the driving spring (9) is fixedly connected to the bottom of the support rod (42), and the other end of the driving spring (9) is fixedly connected to the extension rod (43). When the extension rod (43) and the steel pipe (2) are pressed tightly, the driving spring (9) is in a compressed state.

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