CN114000694A

CN114000694A - Overhanging type scaffold for decorating high and large space roof and installation method thereof

Info

Publication number: CN114000694A
Application number: CN202111207712.7A
Authority: CN
Inventors: 刘永超
Original assignee: Xi'an Ande Solid Mold Base Engineering Co ltd
Current assignee: Xi'an Ande Solid Mold Base Engineering Co ltd
Priority date: 2021-10-18
Filing date: 2021-10-18
Publication date: 2022-02-01

Abstract

The utility model relates to a tall and big space roof fitment is with overhanging type scaffold and mounting method thereof, scaffold include frame seat, supporting component, support frame, top frame, vaulting pole and cantilever frame, the frame seat is located on the floor, the support frame is located the frame seat is close to the one end top in the building outside, the top frame is located the support frame top, just outside top frame one end stretches out the building, the cantilever frame is located the top frame stretches out the one end top of building, the supporting component is vertical to be located the one end that the support frame was kept away from to the frame seat, the upper end and the upper floor bottom butt of supporting component, all be equipped with the vaulting pole between the tip that frame seat and top frame are close to in the building and between the tip that frame seat and top frame kept away from in the building. This application is convenient for install the scaffold frame of encorbelmenting fixedly.

Description

Overhanging type scaffold for decorating high and large space roof and installation method thereof

Technical Field

The application relates to the technical field of scaffolds, in particular to an overhanging type scaffold for decorating a high and large space roof and an installation method thereof.

Background

Along with building structure's development, various scaffold frame forms emerge in a large number, the scaffold is the temporary structure of manual work built, personnel can move about on the scaffold, to being under construction to positions such as wall, ceiling, but these scaffolds are mostly to begin to erect to the high altitude whole from ground, scaffold engineering volume is great, to the higher local construction region of height, it is higher to wholly set up scaffold cost, consequently, a formula scaffold of encorbelmenting for medium and high-rise building should be transported and come, the scaffold of encorbelmenting is the simple and easy facility that uses in the building, divide into every layer and encorbelment, the multilayer is encorbelmented two kinds.

The invention discloses a cantilever scaffold which is disclosed in the Chinese patent with the application number of 202011279153.6, and comprises a plurality of cantilever beams, wherein one end part of each cantilever beam is fixed on a bottom floor slab through at least one pre-embedded hoop plate device, each pre-embedded hoop plate device comprises a pair of vertical plates, a flat plate and a bolt assembly, the vertical plates are oppositely arranged and vertically welded and fixed with the flat plate, a plurality of bolt holes are formed in the upper edge and the lower edge of each vertical plate, each bolt assembly comprises a double-end bolt and a nut, and the double-end bolt penetrates through the bolt holes in the vertical plates and is in threaded connection with the nuts; one end part of each support rod is fixedly welded with an embedded part embedded on the wall body, the other end part of each support rod is fixedly welded with the corresponding cantilever beam, and connecting section steel is welded between every two adjacent cantilever beams through angle steel; scaffold frame subassembly, including a plurality of pole settings, a plurality of horizontal pole and a plurality of fastener, the welding of setting for the interval on the cantilever beam has a pair of location muscle, and every pole setting tip is fixed mutually with corresponding location muscle, between two adjacent pole settings, through the fastener fastening between pole setting and the horizontal pole.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: this scaffold puts up when the construction, is pre-buried in the floor of pre-buried hoop board device to make things convenient for the fixed of cantilever beam, and then can only set up the structure of encorbelmenting at the floor that is equipped with the built-in fitting, pre-buried size of pre-buried hoop board device is difficult to the accuracy, and the scaffold use demolishs the back, and the reuse can't be dismantled to pre-buried hoop board device, and pre-buried hoop board device still can influence the structure of floor in the floor.

Disclosure of Invention

In order to install and fix the overhanging scaffold, the application provides an overhanging scaffold for decorating a high and large space roof and an installation method thereof.

First aspect, the application provides a high big space roof fitment is with overhanging type scaffold, adopts following technical scheme:

the utility model provides a tall and big space roof fitment is with formula of encorbelmenting scaffold, includes frame seat, supporting component, support frame, top frame, vaulting pole and cantilever frame, the frame seat is located on the floor, the support frame is located the frame seat is close to the one end top in the building outside, the top frame is located the support frame top, just outside top frame one end stretches out the building, the cantilever frame is located the top frame stretches out the one end top of building, the supporting component is vertical to be located the one end of support frame is kept away from to the frame seat, the upper end and the upper floor bottom butt of supporting component, all be equipped with the vaulting pole between the tip that frame seat and top frame are close to in the building and between the tip that frame seat and top frame were kept away from in the building.

By adopting the technical scheme, when construction is carried out in a large space, a supporting effect is provided by installing the cantilever frame, the frame seat is placed in the building, the upper end of the supporting component is abutted against the bottom of the upper floor, the frame seat is fixed in the building through the supporting component, the frame seat is prevented from being fixed by arranging embedded parts and the like on the floor, further the floor is prevented from being damaged, the floor structure is prevented from being influenced, the supporting frame is installed on the frame seat, construction can be conveniently carried out on the roof in the building through the supporting effect of the supporting frame, the top frame is installed on the supporting frame, the cantilever frame is installed at one end, extending out of the building, of the top frame, the cantilever frame is supported through the top frame, through the supporting effect of the cantilever frame, workers can conveniently carry out construction on the roof close to the outer side of the building, the cantilever type scaffold is more convenient to install and fix, and can be fixed without arranging the embedded parts on the floor, the installation of the overhanging scaffold is more convenient, and the construction efficiency is effectively improved.

Optionally, the supporting component includes support column, fore-set, driving piece and footstock, the frame roof is equipped with the spacing groove, the support column is vertical to be located the spacing inslot, support column cavity sets up, the fore-set is located the support column upper end, the fore-set stretch into in the support column and with support column sliding connection, the fore-set with the axial of support column is the same, the footstock is located the fore-set upper end, footstock and upper floor bottom butt, the driving piece is used for ordering about the fore-set is followed slide in the support column.

Through adopting above-mentioned technical scheme, when fixing the frame seat, through inserting the support column spacing inslot for the support column keeps vertical state, fixes the lower extreme of support column between the frame seat, and rethread driving piece orders about the fore-set and slides along the support column and come height-adjusting, makes the fore-set drive the fore-set removal, makes the fore-set support tightly with the bottom of upper floor, and then realizes the fixed effect to the frame seat through mutually supporting between fore-set, fore-set and support column.

Optionally, the driving piece includes two-way screw, two sliders and four at least actuating levers, the support column lateral wall is equipped with logical groove along length direction, two-way screw level is worn to locate lead to the inslot, two the slider respectively threaded connection in two-way screw's both ends, the actuating lever articulate respectively in the upper and lower both sides of slider, be located the slider upside the one end that the slider was kept away from to the actuating lever is articulated with the fore-set, is located the slider downside the one end that the slider was kept away from to the actuating lever is articulated with the support column.

By adopting the technical scheme, when the footstock is tightly abutted to the upper floor by driving the top column to move, the bidirectional screw rod is driven to rotate, the two sliders are driven to move in opposite directions or in opposite directions in the rotation process of the bidirectional screw rod due to the threaded connection of the sliders and the bidirectional screw rod, when the sliders are driven to move in opposite directions, the driving rod moves, the top column is driven to move along the supporting column under the driving of the driving rod, and then the footstock is driven to move to tightly abut to the upper floor, so that the fixing effect of the frame seat is completed; when needs are dismantled, order about two slider back of the body motions of mutually backing through rotating two-way screw rod, the actuating lever orders about the fore-set and slides for break away from between footstock and the upper floor, realize dismantling the effect, make the fixed mounting and the dismantlement of frame foundation more convenient, improve the efficiency of construction.

Optionally, the support frame includes a plurality of pole settings, horizontal pole, first fastener and second fastener, the pole setting is vertical to be located on the frame seat, the horizontal pole passes through first fastener level is located adjacently between the pole setting, the pole setting upper end is passed top frame and tip pass through the second fastener is fixed.

Through adopting the above technical scheme, fix horizontal pole and pole setting within a definite time through first fastener, make a plurality of pole settings and horizontal pole form braced frame and reach good supporting effect, it fixes pole setting and top frame within a definite time through the second fastener, realize the fixed effect to the top frame, can adjust the height of support frame through adjusting the connection of a plurality of pole settings and horizontal pole, conveniently adapt to different construction height, and make the installation of support frame more convenient, it is fixed through the second fastener after passing the top frame through the upper end of pole setting, realize the linkage effect to top frame and support frame, make the installation more convenient and more stable.

Optionally, the pole setting with be equipped with the connecting piece between the frame foundation, the connecting piece includes fixed column and cotter pin post, the fixed column is vertical to be located the frame foundation top, the cotter pin post is coaxial to be located fixed capital portion, the cotter pin post stretch into in the pole setting and with pole setting threaded connection, pole setting tip and fixed column butt, the external diameter of fixed column with the external diameter of pole setting is the same, fix through the second fastener between pole setting and fixed column.

Through adopting above-mentioned technical scheme, when installing the support frame, through with pole setting and bolt post threaded connection, realize the connection of pole setting, rethread second fastener is fixed between pole setting and fixed post, realizes the connection effect between support frame and frame seat for the installation of support frame is more convenient, and through the connection of connecting piece, further improves the stability of being connected between pole setting and frame seat.

Optionally, a rubber pad is arranged on the contact surface of the top base and the floor, a convex edge is arranged on one side, away from the top base, of the rubber pad along the circumferential direction, and a groove is formed in the center of one side, away from the top base, of the rubber pad.

Through adopting above-mentioned technical scheme, when fixing the frame seat, set up the rubber pad at the footstock top, the rubber pad plays anti-skidding cushioning effect, further improves supporting component's installation stability, sets up the bead along circumference through keeping away from one side of footstock at the rubber pad, and is equipped with the recess at one side center that the footstock was kept away from to the cushion for the rubber pad forms sucker structure, further improves the stability of being connected of footstock and floor, avoids taking place to slide between footstock and floor and influence the stability of scaffold frame.

Optionally, the top frame is equipped with between the one end that stretches out outside the building and the upper floor and draws the subassembly to one side, draw the subassembly to one side including tensile and joint spare, the joint spare is used for with floor edge block fixed, tensile one end is connected in the joint spare, and the other end is connected with the one end that the top frame stretches out the building.

Through adopting above-mentioned technical scheme, will push up the frame and the installation of the frame of encorbelmenting is accomplished the back, through stretch out the building outside one end and upper floor at the top frame between be equipped with and draw the subassembly to one side, further improve the stability of scaffold, through joint spare and building floor edge connection, stretch out the one end that the building was stretched out to the top frame and pull fixedly, further improve the stability of scaffold.

Optionally, the vaulting pole includes first connecting rod, second connecting rod and sleeve, first connecting rod is located telescopic one end, the second connecting rod is located the telescopic other end, first connecting rod all stretches into with the second connecting rod in the sleeve and with sleeve threaded connection, first connecting rod, second connecting rod and telescopic axial are the same, telescopic one end is kept away from to first connecting rod and is connected in the frame foundation, telescopic one end is kept away from to the second connecting rod is connected in the top frame.

Through adopting above-mentioned technical scheme, further fixing between the frame seat through the vaulting pole and the roof frame, improving the stability of scaffold, when the high face of being under construction that changes in order to adapt to co-altitude of support frame, through rotating the sleeve, because the even sleeve threaded connection of first connecting rod and second connecting rod makes the vaulting pole stretch out and draw back at sleeve pivoted in-process for the universality of scaffold is further heightened, makes its adaptation be under construction to co-altitude not.

The second aspect, this application provides a high big space roof fitment is with installation method of overhanging type scaffold, adopts following technical scheme:

a mounting method of an overhanging type scaffold for decorating a high and large space roof comprises the following steps:

s1: placing the frame base in a building, and then installing the supporting component at one end of the frame base close to the building, so that the upper end of the supporting component is abutted against the bottom of the upper floor to fix the frame base;

s2: mounting a support frame at one end of the frame base close to the outside of the building, enabling one end of the top frame to extend out of the building on the support frame mounted on the top frame, and connecting two corresponding ends of the frame base and the top frame through a support rod;

s3: and installing the cantilever frame at one end of the top frame extending out of the building, namely finishing the installation and fixation of the cantilever scaffold and the building.

By adopting the technical scheme, the frame seat is fixed through the supporting component, the supporting frame, the top frame and the scaffold are sequentially installed, the whole installation process is simple and convenient in process and easy to install, the scaffold is more convenient to install, the construction efficiency is effectively improved, and the installation process is higher in safety when the scaffold is installed on a building.

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

1. the upper end of the supporting component is abutted against the bottom of the upper floor, the frame base is fixed in the building through the supporting component, the frame base is prevented from being fixed by arranging embedded parts on the floor, the floor structure is further prevented from being influenced by damage to the floor, and fixed installation can be completed without arranging the embedded parts on the floor, so that the cantilever scaffold is more convenient to install and fix, and the construction efficiency is effectively improved;

2. the supporting component comprises a supporting column, a top column, a driving part and a top seat, the supporting column is inserted into the limiting groove, the lower end of the supporting column is fixed between the frame seats, the driving part drives the top column to slide along the supporting column to adjust the height, so that the top column drives the top seat to move, the top seat is abutted against the bottom of the upper floor, and the installation is more convenient and faster;

3. including two-way screw rod, two sliders and a plurality of actuating levers through setting up the driving piece, rotate through ordering about two-way screw rod, make two sliders or back of the body motion in opposite directions, when ordering about slider motion in opposite directions, the actuating lever motion orders about down at the actuating lever, orders about the fore-set and removes along the support column, and then orders about the fore-set removal and support tightly with upper floor, accomplishes the fixed effect to the frame seat.

Drawings

Fig. 1 is a schematic structural diagram of an overhanging scaffold for decorating a high and large space roof according to an embodiment of the present application.

Fig. 2 is a perspective cross-sectional view of an overhanging scaffold for decorating a roof in a large space according to an embodiment of the present application.

Fig. 3 is an enlarged schematic view of a portion a in fig. 2.

Fig. 4 is an enlarged schematic view of a portion B in fig. 2.

Reference numerals: 1. a frame seat; 11. a limiting groove; 2. a support assembly; 21. a support pillar; 211. a through groove; 22. a top pillar; 23. a drive member; 231. a bidirectional screw; 232. a slider; 233. a drive rod; 24. a top seat; 25. a rubber pad; 251. a rib; 252. a groove; 3. a support frame; 31. erecting a rod; 32. a cross bar; 33. a first fastener; 34. a second fastener; 4. a top frame; 5. a stay bar; 51. a first link; 52. a second link; 53. a sleeve; 6. a cantilever frame; 7. a connecting member; 71. fixing a column; 72. a latch post; 8. a cable-stayed assembly; 81. pulling a rope; 82. a clamping piece; 821. clamping a plate; 822. and (5) fixing the bolt.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a high big space roof fitment is with overhanging type scaffold. Referring to fig. 1, 2 and 3, the scaffold comprises a frame base 1, a support assembly 2, a support frame 3, a top frame 4, a support rod 5 and a cantilever 6, the frame base 1 is placed on a floor in a building, the support assembly 2 is vertically arranged at one end of the frame base 1 far away from the support frame 3 to fix the frame base 1 on the floor, the upper end of the support assembly 2 is abutted against the bottom of the upper floor, the support assembly 2 comprises a support column 21, a top column 22, a driving part 23 and a top seat 24, the top of the frame base 1 is provided with a limit groove 11, the support column 21 is vertically inserted into the limit groove 11 to keep the support column 21 in a vertical state, the support column 21 is hollow, the top column 22 is arranged at the upper end of the support column 21, the top column 22 extends into the support column 21 and is slidably connected with the support column 21, the top column 22 and the support column 21 have the same axial direction, the top seat 24 is welded at the upper end of the top column 22, the driving part 23 is used for driving the top column 22 to slide along the support column 21 to adjust the height, the top pillar 22 drives the top seat 24 to move, so that the top seat 24 is tightly abutted against the bottom of the upper floor, and the frame seat 1 is tightly abutted against the floor.

Referring to fig. 2 and 4, a rubber pad 25 is bonded on the contact surface of the top seat 24 and the floor, the rubber pad 25 on the top seat 24 is abutted to the bottom of the upper floor, the rubber pad 25 plays a role in anti-skidding and shock absorption, a convex rib 251 is integrally formed on one side of the rubber pad 25 away from the top seat 24 along the circumferential direction, a groove 252 is formed in the center of one side of the rubber pad 25 away from the top seat 24, and the connection stability of the top seat 24 and the floor is improved.

Referring to fig. 1, 2 and 3, the driving member 23 includes a bidirectional screw 231, two sliders 232 and at least four driving rods 233, a through groove 211 is formed in a side wall of the supporting column 21 along a length direction, the bidirectional screw 231 horizontally penetrates through the through groove 211, the two sliders 232 are respectively connected to two ends of the bidirectional screw 231 in a threaded manner, the driving rods 233 are respectively hinged to upper and lower sides of the sliders 232, in this embodiment, four driving rods 233 are provided, an upper side and a lower side of each slider 232 are respectively hinged to one driving rod 233, one end, away from the slider 232, of the driving rod 233 located on the upper side of the slider 232 is hinged to the supporting column 22, and one end, away from the slider 232, of the driving rod 233 located on the lower side of the slider 232 is hinged to the supporting column 21; when ordering about two-way screw 231 to rotate, two sliders 232 move along two-way screw 231 in opposite directions or back to back, when ordering about slider 232 and move in opposite directions, make actuating lever 233 move, and then order about fore-set 22 and remove along support column 21, make footstock 24 remove and support tightly to carry out the butt with upper floor and fix frame 1.

Referring to fig. 1 and 2, a supporting frame 3 is installed on the top of one end of a frame base 1 near the outer side of a building, a top frame 4 is fixed on the top of the supporting frame 3, one end of the top frame 4 extends out of the building, the cantilever frame 6 is installed at the top of one end, extending out of the building, of the top frame 4, the support frame 3 comprises a plurality of vertical rods 31, a cross rod 32, a first fastener 33 and a second fastener 34, the vertical rods 31 are vertically arranged on the frame base 1, the cross rod 32 is horizontally fixed between the adjacent vertical rods 31 through the first fastener 33, the first fastener 33 is a right-angle fastener, the upper end of each vertical rod 31 penetrates through the top frame 4, the end part of each vertical rod is fixed through the second fastener 34, the second fastener 34 is a hoop, the fixing effect on the top frame 4 is achieved, supporting mesh plates are paved at the top of the top frame 4 and on the cantilever frame 6, workers can construct a roof on the supporting mesh plates, and the cantilever frame 6 is of the same structure as the support frame 3; a plurality of upright rods 31 and cross rods 32 are connected with each other to form a supporting frame; be provided with connecting piece 7 between pole setting 31 and frame foundation 1, connecting piece 7 includes fixed column 71 and bolt post 72, fixed column 71 is vertical to be welded in frame foundation 1 top, bolt post 72 coaxial welding is in fixed column 71 top, bolt post 72 stretch into in pole setting 31 and with pole setting 31 threaded connection, pole setting 31 tip and fixed column 71 butt, the external diameter of fixed column 71 is the same with the external diameter of pole setting 31, pole setting 31 is fixed through second fastener 34 with fixed column 71 butt department.

Referring to fig. 1, fig. 2, top frame 4 stretches out and installs between the outer one end of building and upper floor to draw subassembly 8 to one side, draw subassembly 8 to one side and include stay cord 81 and joint spare 82, joint spare 82 is used for fixed with floor edge block, joint spare 82 includes cardboard 821 and fixing bolt 822, one side of cardboard 821 offer with floor edge assorted bayonet socket, with cardboard 821 joint on floor edge, fixing bolt 822 passes cardboard 821 and fixes cardboard 821 with floor butt, the one end of stay cord 81 passes through crab-bolt fixed connection in cardboard 821, the other end passes through crab-bolt fixed connection with the one end that top frame 4 stretches out the building, it is fixed to pull the one end that top frame 4 stretches out the building through tensile, further improve the stability of scaffold frame.

Referring to fig. 1 and 2, a stay bar 5 is connected between the ends of the frame base 1 and the top frame 4 close to the building and between the ends of the frame base 1 and the top frame 4 far from the building. The support rod 5 comprises a first connecting rod 51, a second connecting rod 52 and a sleeve 53, the first connecting rod 51 is arranged at one end of the sleeve 53, the second connecting rod 52 is arranged at the other end of the sleeve 53, the first connecting rod 51 and the second connecting rod 52 both extend into the sleeve 53 and are in threaded connection with the sleeve 53, the axial directions of the first connecting rod 51, the second connecting rod 52 and the sleeve 53 are the same, one end of the first connecting rod 51, which is far away from the sleeve 53, is hinged to the frame base 1, one end of the second connecting rod 52, which is far away from the sleeve 53, is hinged to the top frame 4, the sleeve 53 is rotated to enable the first connecting rod 51 and the second connecting rod 52 to move in the sleeve 53, so that the support rod 5 achieves the telescopic effect, and when the height of the support frame 3 is changed to adapt to construction surfaces with different heights, the universality of the scaffold is further improved.

The implementation principle of the overhanging type scaffold for the decoration of the high and large space roof is as follows: when the roof of a tall building needs to be constructed, a frame seat 1 is placed in the building, the upper end of a supporting component 2 is abutted against the bottom of the upper floor, the frame seat 1 is fixed in the building through the supporting component 2, a plurality of upright rods 31 and cross rods 32 are connected with each other to form a supporting frame 3, the supporting frame 3 is installed on the frame seat 1, then a top frame 4 is fixed on the supporting frame 3, one end of the top frame 4 extends out of the building, a cantilever frame 6 is installed on the top frame 4 extending out of the building, supporting mesh plates are paved on the top frame 4 and the cantilever frame 6, a worker can construct the roof on the supporting mesh plates, a sleeve 53 is rotated to enable a first connecting rod 51 and a second connecting rod 52 to move in the sleeve 53, so that the supporting rods 5 stretch to the required length, supporting rods 5 are installed between the end parts, close to the building, of the frame seat 1, close to the building, and the end parts, far away from the building, of the frame seat 1, far away from the top frame 4, and the building for supporting, at last with cardboard 821 joint on the floor edge, fixing bolt 822 passes cardboard 821 and fixes cardboard 821 with the floor butt, and the one end of stay cord 81 passes through crab-bolt fixed connection in cardboard 821, and the one end that the other end and top frame 4 stretched out the building passes through crab-bolt fixed connection for the simple to operate of scaffold is swift, and then effectively improves the efficiency of construction.

The embodiment of the application also discloses a method for installing the overhanging scaffold for decorating the roof of the high and large space, which comprises the following steps of:

s1: the frame base 1 is placed in a building, then the supporting component 2 is installed at one end of the frame base 1 close to the building, the supporting column 21 is vertically inserted into the limiting groove 11, and the bidirectional screw 231 is driven to rotate. The sliding blocks 232 move oppositely, so that the driving rods 233 move to drive the top posts 22 to move along the supporting columns 21, the top seats 24 move to be tightly abutted against the upper floor, and the upper ends of the supporting components 2 are abutted against the bottom of the upper floor to fix the frame seat 1;

s2: the cross rods 32 are horizontally fixed between the adjacent vertical rods 31 through first fasteners 33, the vertical rods 31 and the cross rods 32 are connected with each other through the first fasteners 33 to form a support frame 3, the support frame 3 is installed at one end, close to the outside of a building, of the frame base 1, the support frame 3 installed on the top frame 4 enables one end of the top frame 4 to extend out of the building, and then the two corresponding ends of the frame base 1 and the top frame 4 are connected and fixed through the support rods 5;

s3: and (3) installing the cantilever frame 6 at one end of the top frame 4 extending out of the building, and finally paving a support screen plate on the top frame 4 and the cantilever frame 6 to finish the installation and fixation of the cantilever scaffold and the building.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a high big space roof fitment is with overhanging type scaffold which characterized in that: comprises a frame seat (1), a supporting component (2), a supporting frame (3), a top frame (4), a supporting rod (5) and a suspension bracket (6), the frame seat (1) is arranged on a floor, the support frame (3) is arranged at the top of one end of the frame seat (1) close to the outer side of the building, the top frame (4) is arranged at the top of the support frame (3), one end of the top frame (4) extends out of the building, the cantilever frame (6) is arranged at the top of one end of the top frame (4) extending out of the building, the supporting component (2) is vertically arranged at one end of the frame seat (1) far away from the supporting frame (3), the upper end of the supporting component (2) is abutted against the bottom of the upper floor, and support rods (5) are arranged between the end parts of the frame seat (1) and the top frame (4) close to the building and between the end parts of the frame seat (1) and the top frame (4) far away from the building.

2. The overhanging scaffold for finishing the roof of a large space according to claim 1, wherein: support assembly (2) are including support column (21), fore-set (22), driving piece (23) and footstock (24), frame (1) top is equipped with spacing groove (11), support column (21) are vertical to be located in spacing groove (11), support column (21) cavity sets up, fore-set (22) are located support column (21) upper end, fore-set (22) stretch into in support column (21) and with support column (21) sliding connection, fore-set (22) with the axial of support column (21) is the same, footstock (24) are located fore-set (22) upper end, footstock (24) and upper floor bottom butt, driving piece (23) are used for ordering about fore-set (22) are followed slide in support column (21).

3. The overhanging scaffold for finishing the roof of a large space according to claim 2, wherein: the driving piece (23) comprises a bidirectional screw (231), two sliders (232) and at least four driving rods (233), a through groove (211) is formed in the side wall of the supporting column (21) along the length direction, the bidirectional screw (231) horizontally penetrates through the through groove (211), the two sliders (232) are respectively in threaded connection with the two ends of the bidirectional screw (231), the driving rods (233) are respectively hinged to the upper side and the lower side of the sliders (232), one end, away from the sliders (232), of the driving rod (233) on the upper side of the sliders (232) is hinged to the supporting column (22), and one end, away from the sliders (232), of the driving rod (233) on the lower side of the sliders (232) is hinged to the supporting column (21).

4. The overhanging scaffold for finishing the roof of a large space according to claim 1, wherein: support frame (3) include a plurality of pole settings (31), horizontal pole (32), first fastener (33) and second fastener (34), pole setting (31) are vertical to be located on frame seat (1), horizontal pole (32) pass through first fastener (33) level is located adjacently between pole setting (31), pole setting (31) upper end is passed top frame (4) and tip pass through second fastener (34) are fixed.

5. The overhanging scaffold for finishing the roof of a large space according to claim 4, wherein: pole setting (31) with be equipped with connecting piece (7) between frame seat (1), connecting piece (7) are including fixed column (71) and latch post (72), fixed column (71) are vertical to be located frame seat (1) top, latch post (72) are coaxial to be located fixed column (71) top, latch post (72) stretch into in pole setting (31) and with pole setting (31) threaded connection, pole setting (31) tip and fixed column (71) butt, the external diameter of fixed column (71) with the external diameter of pole setting (31) is the same, fix through second fastener (34) between pole setting (31) and fixed column (71).

6. The overhanging scaffold for finishing the roof of a large space according to claim 2, wherein: a rubber pad (25) is arranged on the contact surface of the top seat (24) and the floor, a convex rib (251) is arranged on one side, far away from the top seat (24), of the rubber pad (25) along the circumferential direction, and a groove (252) is arranged in the center of one side, far away from the top seat (24), of the rubber pad (25).

7. The overhanging scaffold for finishing the roof of a large space according to claim 1, wherein: the roof frame (4) stretch out and be equipped with between the outer one end of building and the upper floor to one side and draw subassembly (8), draw subassembly (8) including stay cord (81) and joint spare (82) to one side, joint spare (82) are used for fixed with floor edge block, the one end of stay cord (81) is connected in joint spare (82), and the other end is connected with the one end that roof frame (4) stretch out the building.

8. The overhanging scaffold for finishing the roof of a large space according to claim 1, wherein: vaulting pole (5) are including first connecting rod (51), second connecting rod (52) and sleeve (53), first connecting rod (51) are located the one end of sleeve (53), second connecting rod (52) are located the other end of sleeve (53), first connecting rod (51) all stretch into with second connecting rod (52) in sleeve (53) and with sleeve (53) threaded connection, the axial of first connecting rod (51), second connecting rod (52) and sleeve (53) is the same, the one end that sleeve (53) were kept away from in first connecting rod (51) is connected in frame foundation (1), the one end that sleeve (53) were kept away from in second connecting rod (52) is connected in top frame (4).

9. The mounting method of the overhanging type scaffold for decorating the roof in the high and large space is characterized by comprising the following steps of: an overhanging scaffold for finishing a roof of a large space using the roof as claimed in any one of claims 1 to 8, comprising the steps of:

s1: placing the frame seat (1) in a building, and then installing the support component (2) at one end of the frame seat (1) close to the building, so that the upper end of the support component (2) is abutted against the bottom of the upper floor to fix the frame seat (1);

s2: the supporting frame (3) is arranged at one end, close to the outside of a building, of the frame base (1), one end of the top frame (4) extends out of the building on the supporting frame (3) arranged on the top frame (4), and then the two corresponding ends of the frame base (1) and the top frame (4) are connected through the support rods (5);

s3: and (3) installing the cantilever frame (6) at one end of the top frame (4) extending out of the building, namely completing the installation and fixation of the cantilever scaffold and the building.