CN114457992B

CN114457992B - Cantilever scaffold

Info

Publication number: CN114457992B
Application number: CN202210011019.0A
Authority: CN
Inventors: 郭新贺; 杨帆; 刘超; 满超群; 赵小艳; 李镇麟; 石永昌; 陈明; 王洵诣
Original assignee: China Railway Tianfeng Construction Engineering Co Ltd
Current assignee: China Railway Tianfeng Construction Engineering Co Ltd
Priority date: 2022-01-05
Filing date: 2022-01-05
Publication date: 2023-08-15
Anticipated expiration: 2042-01-05
Also published as: CN114457992A

Abstract

The application relates to an overhanging scaffold which comprises a plurality of overhanging beams and a plurality of embedded members, wherein the overhanging beams are horizontally and alternately arranged on a floor slab and extend to the outside of the floor slab, and the embedded members are embedded on the floor slab and are used for fixing the overhanging beams; the part of the cantilever beam extending to the outside of the floor slab is vertical and is provided with a pair of upright posts at intervals, a plurality of short pipes which are distributed at intervals along the height direction of the upright posts are horizontally penetrated on the upright posts, and a plurality of long pipes which are distributed at intervals along the length direction of the short pipes are horizontally penetrated on each layer of short pipes; the long pipes located at the two sides are abutted against the inner side walls of the upright posts, locking mechanisms for fixing the two adjacent long pipes are arranged on the short pipes, a plurality of wood boards are paved on each long pipe layer, and each wood board is located in a gap between the adjacent pair of short pipes and the upright posts. According to the application, the traditional anchor ear and bolt fixing is replaced by arranging the mode of mutual clamping and fixing, so that the rapid assembly and fixing of the scaffold are realized, and the construction process of the scaffold is more convenient.

Description

Cantilever scaffold

Technical Field

The application relates to the field of building construction, in particular to an overhanging scaffold.

Background

The scaffold refers to various supports erected for workers to operate and solve the problems of vertical and horizontal transportation on construction sites, and is mainly applied to external walls, interior decorations or places where the floors cannot be directly constructed due to higher heights. The overhanging scaffold is one type of scaffold and is divided into two types of overhanging in each layer and overhanging in multiple layers.

In the construction process of the traditional overhanging scaffold, the anchor ear and the bolt are matched to assemble and fix various steel pipes. However, this assembly is cumbersome and requires a lot of labor and needs to be improved.

Disclosure of Invention

In order to realize convenient assembly of the overhanging scaffold, the application provides the overhanging scaffold.

The application provides a cantilever scaffold which adopts the following technical scheme:

the cantilever scaffold comprises a plurality of cantilever beams and a plurality of embedded members, wherein the cantilever beams are horizontally and alternately arranged on a floor slab and extend to the outside of the floor slab, and the embedded members are embedded on the floor slab and are used for fixing the cantilever beams; the part of the cantilever beam extending to the outside of the floor slab is vertical and is provided with a pair of upright posts at intervals, a plurality of short pipes which are distributed at intervals along the height direction of the upright posts are horizontally penetrated on the pair of upright posts, and a plurality of long pipes which are distributed at intervals along the length direction of the short pipes are horizontally penetrated on each layer of short pipes; the long pipes located at the two most sides are abutted against the inner side walls of the stand columns, locking mechanisms for fixing two adjacent long pipes are arranged on the short pipes, a plurality of wood boards are paved on each long pipe, and each wood board is located in a gap between the adjacent pair of short pipes and the stand columns.

Through adopting above-mentioned technical scheme, when setting up the scaffold frame, will encorbelment the roof beam and be fixed in on the floor through pre-buried component earlier, then be fixed in on the cantilever beam with the stand. And then the short pipe of each layer is inserted into the upright post, and the long pipe of each layer is inserted into the short pipe, and the long pipes at the two sides are abutted against the upright post at the moment so as to fix the short pipe. Finally, the locking mechanism is used for fixing the long tube, so that the whole foundation framework is built. Finally, the wood board is paved on the long pipe, and the short pipe and the upright post are used for clamping the wood board, so that the limiting and fixing of the wood board are realized. Therefore, the mode of mutual clamping and fixing is adopted to replace the traditional hoop and bolt fixing, so that the rapid assembly and fixing of the scaffold are realized, and the construction process of the scaffold is more convenient.

Optionally, the short tube comprises a plurality of assembling tubes and a plurality of connecting tubes, the assembling tubes are used for the long tube to be inserted, and the connecting tubes are arranged between two adjacent assembling tubes; the locking mechanism comprises a pair of locking rods and a pair of inserting rods, the pair of locking rods are horizontally and slidably connected to the end parts of the adjacent assembling pipes, the pair of inserting rods are horizontally arranged at one ends of the pair of locking rods, which are away from each other, locking holes for inserting the inserting rods are formed in the long pipe, and a driving mechanism for controlling the sliding of the locking rods is arranged in the connecting pipe.

Through adopting above-mentioned technical scheme, when assembling the long tube, peg graft the long tube on the kludge, then utilize the actuating mechanism in the connecting pipe to control locking lever and inserted bar and keep away from each other to make the locking hole of inserted bar grafting on the long tube, realize the fixed of long tube. Therefore, through setting up embedded locking mechanical system and actuating mechanism, control inserted bar grafting locking hole realizes the quick fixed and the convenient fixed of long tube.

Optionally, the driving mechanism comprises a driving rod and a pair of guide rods with polygonal sections, the driving rod is fixed in the connecting pipe, and the connecting pipe is rotationally connected with the assembling pipe; the pair of guide rods are horizontally arranged at two ends of the driving rod, one ends of the locking rods, which are close to each other, are provided with guide holes for the guide rods to be inserted, the outer walls of the locking rods are provided with spiral guide grooves, and the inner walls of the assembling tubes are provided with guide blocks embedded in the guide grooves.

By adopting the technical scheme, when the long tube is fixed, the connecting tube is controlled to rotate 180 degrees, and at the moment, the connecting tube drives the driving rod, the guide rod and the locking rod to synchronously move. And then under the matching action of the guide rod, the guide hole and the guide block with the guide groove, the locking rod and the inserted rod are controlled to slide towards the long tube direction, and the inserted rod is inserted into the locking hole, so that the long tube is fixed. Finally, when the wood board is paved, the wood board is tightly propped against the connecting pipe and limits the connecting pipe to rotate, so that the long pipe and the short pipe are mutually matched to realize rapid assembly and fixation, and meanwhile, the stability of the whole scaffold is ensured.

Optionally, the upper surface and the lower surface of the connecting pipe are both provided with indication marks.

Through adopting above-mentioned technical scheme, make things convenient for the workman to judge the position of locking lever and inserted bar through setting up the instruction sign to it is more convenient to realize the fixed process of assembling of long tube.

Optionally, the plank includes intermediate lamella and a pair of curb plate, the intermediate lamella sets up in a pair of between the curb plate, and with a pair of the curb plate articulates mutually, and is a pair of the curb plate is laminated each other after the upset simultaneously.

By adopting the technical scheme, when the wood boards are assembled, the side plates and the middle plates are unfolded and laid on the long pipe. When transporting the plank, fold the curb plate, reduce the occupation space of plank for the transport and the transportation of plank are more convenient.

Optionally, a pair of curb plate deviates from both sides of intermediate lamella one end are all rotated and are connected with the forked tail piece, and the most both sides be provided with recess and a pair of forked tail groove on the long tube, the recess supplies a pair of forked tail piece imbeds simultaneously, a pair of the forked tail groove communicates respectively the both ends of recess, and supplies the forked tail piece slides the embedding.

Through adopting above-mentioned technical scheme, when assembling the plank, imbed the forked tail piece of curb plate tip in the recess on the long tube, promote the curb plate motion afterwards, make the forked tail piece slide and imbed in the dovetail. And the unfolding and the assembling of the wood board can be realized until the side plates are horizontal to the wood board. Therefore, through setting up the fixed plank of joint, the structural strength and the stability when using of increase plank.

Optionally, a strong magnet for adsorbing the long tube is arranged on the side plate.

Through adopting above-mentioned technical scheme, through setting up strong magnet absorption long tube, realize the fixed of plank, stability when guaranteeing the plank and using.

Optionally, four corners of the lower extreme of stand all vertically is provided with a plurality of screws, the screw rod wears to establish the roof beam of encorbelmenting, and lower extreme threaded connection has the nut of supporting tightly the roof beam lower terminal surface of encorbelmenting.

Through adopting above-mentioned technical scheme, when the installation stand, wear the screw rod to establish the cantilever beam, then utilize the nut to fix the screw rod, can realize the quick fixed and the convenient fixed of stand.

Optionally, a spring is sleeved on the outer wall of the screw, and the spring is located between the upright post and the cantilever beam.

Through adopting above-mentioned technical scheme, increase elasticity through setting up the spring for whole scaffold possesses certain cushioning properties, stability when guaranteeing to use.

In summary, the present application includes at least one of the following beneficial technical effects:

the mode of mutual clamping and fixing is adopted to replace the traditional hoop and bolt fixing, so that the rapid assembly and fixing of the scaffold are realized, and the construction process of the scaffold is more convenient;

through the smart structure, and the embedded locking mechanism and driving mechanism, the quick fixing and convenient fixing of the long tube are realized; through setting up folding plank, reduce the holistic occupation space of plank for the transport and the transportation of plank are more convenient.

Drawings

Fig. 1 is a schematic overall structure of an embodiment of the present application.

Fig. 2 is a schematic structural view of a cantilever beam according to an embodiment of the present application.

Fig. 3 is a schematic view of the structure of the long tube and short tube in the embodiment of the present application.

Fig. 4 is a schematic structural view of a short tube in an embodiment of the present application.

Fig. 5 is a schematic structural view of a locking mechanism according to an embodiment of the present application.

Fig. 6 is a schematic view of the structure of a wood board in an embodiment of the application.

Reference numerals illustrate: 1. a cantilever beam; 2. embedding a component; 21. embedding a rod; 22. a pressing plate; 23. a fastener; 3. a column; 31. a screw; 32. a spring; 33. a nut; 4. a long tube; 41. a locking hole; 42. a groove; 43. a dovetail groove; 5. a short pipe; 51. assembling a tube; 52. a connecting pipe; 53. an indication mark; 54. a guide block; 6. a wood board; 61. an intermediate plate; 62. a side plate; 63. strong magnet; 64. dovetail blocks; 7. a locking mechanism; 71. a locking lever; 72. a rod; 73. a guide hole; 74. a guide groove; 8. a driving mechanism; 81. a driving rod; 82. a guide rod.

Detailed Description

The application is described in further detail below with reference to fig. 1-6.

The embodiment of the application discloses an overhanging scaffold.

Referring to fig. 1, the cantilever scaffold includes a cantilever beam 1, an embedded member 2, a column 3, a long pipe 4, a short pipe 5, and a wood board 6.

Referring to fig. 1 and 2, the cantilever beams 1 are provided in a plurality and horizontally arranged on a floor. The cantilever beams 1 are arranged in parallel, and one end of each cantilever beam horizontally extends to the outside of the floor slab. The embedded member 2 is embedded in the floor and used for fixing one end of the cantilever beam 1 positioned in the floor.

Referring to fig. 2, the cantilever beam 1 is i-steel, the embedded member 2 comprises an embedded rod 21 arranged in a U shape, and the embedded rod 21 clamps two sides of the cantilever beam 1 to realize limiting of the cantilever beam 1. The embedded rod 21 is horizontally sleeved with a pressing plate 22 for pressing the cantilever beam 1, and the embedded rod 21 is connected with a fastening piece 23 for pressing the pressing plate 22 in a threaded manner so as to fix the cantilever beam 1.

Referring to fig. 2, the columns 3 are provided in plurality and are distributed on each column 3 in pairs, wherein the columns 3 are vertically disposed on one end of the cantilever beams 1 extending to the outside of the floor slab, and a pair of columns 3 on each cantilever beam 1 are disposed at intervals.

Referring to fig. 2, screws 31 are vertically disposed at four corners of the lower end of the upright 3, and the screws 31 penetrate through the cantilever beam 1. The outer wall cover of screw rod 31 is equipped with spring 32, and spring 32 is located between stand 3 and cantilever beam 1 to realize shock attenuation and buffering's function, and the lower extreme threaded connection of screw rod 31 has the nut 33 that supports the terminal surface under the cantilever beam 1, realizes the fixed of stand 3.

Referring to fig. 3, the short pipe 5 is provided in plurality and has a rectangular cross section. The short tubes 5 horizontally penetrate through one end of the upright post 3 on each cantilever beam 1, and the short tubes 5 are uniformly distributed along the height direction of the upright post 3. The long tube 4 is provided in plurality and has a rectangular cross section. The long tubes 4 extend horizontally through the short tubes 5 of each layer and are evenly distributed along the length of the short tubes 5.

Referring to fig. 3, the long tube 4 positioned at the innermost side and the outermost side abuts against the inner side wall of the upright post 3 after the short tube 5 is inserted, so that the short tube 5 is limited and fixed. The short tube 5 is provided with a locking mechanism 7 for fixing two adjacent long tubes 4 so as to realize the mutual fixation of the long tubes 4 and the short tube 5.

Referring to fig. 3, the wooden boards 6 are provided in a plurality, each wooden board 6 being laid on the long pipe 4 and being located in the space between the adjacent pair of short pipes 5 and the column 3. Meanwhile, the upper end face of the wood board 6 is flush with the upper end face of the short pipe 5, so that the flatness of the wood board 6 and the stability in use are ensured.

When the scaffold is built, the cantilever beam 1 is horizontally placed on the floor slab, and the cantilever beam 1 is extended to the outside of the floor slab. Meanwhile, the cantilever beam 1 is clamped in the embedded member 2, then the upper end face of the cantilever beam 1 is pressed by the pressing plate 22, and the fastening piece 23 is screwed, so that the cantilever beam 1 is fixed.

Then the upright post 3 is vertically placed, the spring 32 is sleeved on the outer wall of the screw rod 31 at the lower end of the upright post 3, then the screw rod 31 is penetrated with the cantilever beam 1, and the nut 33 is screwed, so that the upright post 3 is fixed. Then the short tube 5 of each layer is inserted on the upright post 3, the long tube 4 of each layer is inserted on the short tube 5, and meanwhile, the long tubes 4 at the two sides are abutted against the upright post 3, so that the short tube 5 is fixed.

Finally, the locking mechanism 7 is used for fixing the long tube 4, so that the whole foundation framework is built. Finally, the wood board 6 is paved on the long pipe 4, and the short pipe 5 and the upright post 3 are utilized to clamp the wood board 6, so that the limiting fixation of the wood board 6 is realized, and the construction of the whole scaffold is realized.

Referring to fig. 3 and 4, the short tube 5 includes a plurality of assembly tubes 51 and a plurality of connection tubes 52, and the inner walls of the assembly tubes 51 and the connection tubes 52 are circularly arranged in cross section. The number of the assembly tubes 51 is the same as that of the long tubes 4, and is used for inserting the long tubes 4. The connection pipe 52 is disposed between two adjacent assembly pipes 51 and rotatably connected to the assembly pipes 51, and the upper and lower surfaces of the connection pipe 52 are provided with indication marks 53.

Referring to fig. 4 and 5, the lock mechanism 7 includes a pair of lock levers 71 and a pair of plunger levers 72. A pair of locking bars 71 are horizontally slidably connected to the end portions of the adjacent two assembly pipes 51 which are close to each other, and a pair of inserting bars 72 are horizontally provided at the ends of the pair of locking bars 71 which are away from each other. Meanwhile, the long tube 4 is provided with a locking hole 41 for inserting the inserting rod 72 so as to fix the short tube 5 and the long tube 4 with each other.

Referring to fig. 4 and 5, a driving mechanism 8 for controlling the sliding of the lock lever 71 is provided in the connection pipe 52. The driving mechanism 8 includes a driving lever 81 and a pair of guide levers 82, and the driving lever 81 is horizontally fixed in the connection pipe 52 and is rotatable following the rotation of the connection pipe 52.

Referring to fig. 4 and 5, a pair of guide rods 82 are horizontally provided at both ends of the driving rod 81, a guide hole 73 is provided at one end of the locking rod 71 adjacent to the driving rod 81, and the guide hole 73 is horizontally inserted with the guide rod 82. The outer wall of the locking lever 71 is provided with a spiral guide groove 74 and the inner wall of the assembly tube 51 is provided with a guide block 54 embedded in the guide groove 74, thus ensuring that the locking lever 71 can gradually travel during rotation and controlling the insert lever 72 to insert into the locking hole 41.

When assembling the long tube 4, the long tube 4 is inserted into the assembling tube 51, and then the connecting tube 52 is controlled to rotate 180 degrees, and at this time, the connecting tube 52 drives the driving rod 81, the guiding rod 82 and the locking rod 71 to move synchronously. And during the rotation of the locking lever 71, the locking lever 71 and the plunger 72 can be controlled to slide toward the long tube 4 by the cooperation of the guide lever 82 and the guide hole 73 and the guide block 54 and the guide groove 74. Until the insert rod 72 is inserted into the locking hole 41 of the long tube 4, the long tube 4 is fixed.

Referring to fig. 6, the wood board 6 includes a middle plate 61 and a pair of side plates 62, the middle plate 61 being disposed between the pair of side plates 62 and being hinged to the pair of side plates 62. The pair of side plates 62 are mutually attached after being turned over, and one side facing away from the side is flush with two sides of the middle plate 61, so that folding and storage of the whole wood plate 6 are realized. One side of the side plates 62 which are mutually abutted after being folded is provided with a strong magnet 63 for realizing stable storage of the wood board 6.

Referring to fig. 4 and 6, a pair of dovetail blocks 64 are rotatably connected to one end of the pair of side plates 62 facing away from the intermediate plate 61, and the pair of dovetail blocks 64 are distributed on both sides of the side plates 62. Grooves 42 and a pair of dovetail grooves 43 are arranged on the outermost long tube 4 and the innermost long tube 4, and the grooves 42 and the dovetail grooves 43 are distributed between the adjacent short end tubes 5.

Referring to fig. 4 and 6, the recess 42 is located midway between adjacent short tubes 5 for simultaneous insertion of all dovetail blocks 64 on a pair of side plates 62. The pair of dovetail grooves 43 are respectively communicated with two ends of the groove 42, and are used for sliding and embedding the dovetail blocks 64 so as to realize the limit of the side plates 62. At the same time, the strong magnet 63 on the side plate 62 adsorbs the long tube 4, thereby realizing the fixation of the wood board 6.

When assembling the wood board 6, the dovetail blocks 64 at the end parts of the side plates 62 are firstly embedded in the grooves 42 on the long pipe 4. The pair of side plates 62 are then controlled to be separated from each other, so that the entire wood board 6 is unfolded. Then the dovetail blocks 64 on the side plates 62 are slidably embedded into the dovetail grooves 43 until the side plates 62 and the middle plates 61 are all horizontal, and the strong magnets 63 on the side plates 62 absorb the long tubes 4 to realize the unfolding, assembling and fixing of the wood boards 6.

The implementation principle of the overhanging scaffold provided by the embodiment of the application is as follows: when the scaffold is built, the cantilever beam 1 is fixed on the floor slab through the pre-buried member 2, and then the upright post 3 is fixed on the cantilever beam 1. Then the short tube 5 of each layer is inserted on the upright post 3, and the long tube 4 of each layer is inserted on the short tube 5, and the long tubes 4 at the two sides are abutted against the upright post 3 at the moment so as to fix the short tube 5. Finally, the locking mechanism 7 is used for fixing the long tube 4, so that the whole foundation framework is built. Finally, the wood board 6 is paved on the long pipe 4, and the short pipe 5 and the upright post 3 are utilized to clamp the wood board 6, so that the limiting and fixing of the wood board 6 are realized.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims

1. The utility model provides a scaffold frame encorbelments which characterized in that: the cantilever beam (1) is horizontally arranged on a floor at intervals and extends to the outside of the floor, and a plurality of embedded members (2) are embedded on the floor and are used for fixing the cantilever beams (1);

the part of the cantilever beam (1) extending to the outside of the floor slab is vertical and is provided with a pair of upright posts (3) at intervals, a plurality of short pipes (5) which are distributed at intervals along the height direction of the upright posts (3) are horizontally penetrated on the upright posts, and a plurality of long pipes (4) which are distributed at intervals along the length direction of the short pipes are horizontally penetrated on each layer of short pipes (5);

the long pipes (4) positioned at the two most sides are abutted against the inner side walls of the upright posts (3), the short pipes (5) are provided with locking mechanisms (7) for fixing the two adjacent long pipes (4), a plurality of wood boards (6) are paved on each layer of long pipes (4), and each wood board (6) is positioned in a gap between the adjacent pair of short pipes (5) and the upright posts (3);

the short pipe (5) comprises a plurality of assembling pipes (51) and a plurality of connecting pipes (52), the assembling pipes (51) are used for being spliced by the long pipe (4), and the connecting pipes (52) are arranged between two adjacent assembling pipes (51);

the locking mechanism (7) comprises a pair of locking rods (71) and a pair of inserting rods (72), the pair of locking rods (71) are horizontally and slidably connected to the end parts of the adjacent assembling pipes (51), the pair of inserting rods (72) are horizontally arranged at one ends of the pair of locking rods (71) which are away from each other, the long pipe (4) is provided with a locking hole (41) for the inserting of the inserting rods (72), and the connecting pipe (52) is internally provided with a driving mechanism (8) for controlling the sliding of the locking rods (71);

the driving mechanism (8) comprises a driving rod (81) and a pair of guide rods (82) with polygonal cross sections, the driving rod (81) is fixed in the connecting pipe (52), and the connecting pipe (52) is rotationally connected with the assembling pipe (51);

the pair of guide rods (82) are horizontally arranged at two ends of the driving rod (81), one ends, close to each other, of the locking rods (71) are provided with guide holes (73) for the insertion of the guide rods (82), the outer wall of each locking rod (71) is provided with a spiral guide groove (74), and the inner wall of each assembly tube (51) is provided with a guide block (54) embedded in each guide groove (74).

2. The overhanging scaffold of claim 1, characterized in that: the upper surface and the lower surface of the connecting pipe (52) are provided with indication marks (53).

3. The overhanging scaffold of claim 1, characterized in that: the wood board (6) comprises a middle board (61) and a pair of side boards (62), wherein the middle board (61) is arranged between the pair of side boards (62) and hinged with the pair of side boards (62), and meanwhile the pair of side boards (62) are mutually attached after being overturned.

4. A cantilever scaffold according to claim 3, wherein: the two sides of one end of the middle plate (61) deviating from the side plates (62) are respectively and rotatably connected with a dovetail block (64), the long tube (4) at the two most sides is provided with a groove (42) and a pair of dovetail grooves (43), the groove (42) is used for simultaneously embedding the pair of dovetail blocks (64), the pair of dovetail grooves (43) are respectively communicated with the two ends of the groove (42), and the dovetail blocks (64) are slidably embedded.

5. The overhanging scaffold of claim 4, characterized in that: the side plate (62) is provided with a strong magnet (63) for adsorbing the long tube (4).

6. The overhanging scaffold of claim 1, characterized in that: four corners of the lower end of the upright post (3) are vertically provided with a plurality of screws (31), the screws (31) penetrate through the cantilever beam (1), and nuts (33) which are tightly abutted to the lower end face of the cantilever beam (1) are connected with the lower end of the upright post in a threaded mode.

7. The overhanging scaffold of claim 6, characterized in that: the outer wall of the screw rod (31) is sleeved with a spring (32), and the spring (32) is located between the upright post (3) and the cantilever beam (1).