CN211396542U

CN211396542U - Cantilever scaffold puts up back support system

Info

Publication number: CN211396542U
Application number: CN201921601567.9U
Authority: CN
Inventors: 陈一乔; 龚欢; 张春辉; 邓智文; 陈建航; 张粤; 张磊; 黄家祥; 叶展鹏; 何嘉伟; 岑伯杨
Original assignee: Guangdong Construction Engineering Group Co Ltd
Current assignee: Guangdong Construction Engineering Group Co Ltd
Priority date: 2019-09-25
Filing date: 2019-09-25
Publication date: 2020-09-01
Anticipated expiration: 2029-09-25

Abstract

The utility model provides a back-jacking supporting system of a cantilever scaffold, which comprises a lower floor slab, an upper floor slab, a plurality of cantilever rods and a scaffold; one end of the cantilever rod is arranged on the lower floor slab to form a supporting end, and the other end of the cantilever rod extends out of the lower floor slab to form an overhanging end; the scaffold comprises a plurality of vertical rods, transverse rods and longitudinal rods, the bottom end of each vertical rod is connected to the overhanging end of each cantilever rod, so that the scaffold is supported on the outer sides of the upper floor and the lower floor, and the scaffold is fixedly connected with the upper floor through the wall connecting piece; in particular: a back-jacking frame is arranged between the upper floor slab and the lower floor slab, the back-jacking frame is formed by connecting a plurality of back-jacking vertical rods, back-jacking transverse rods and back-jacking longitudinal rods, and adjustable jacking supports are arranged at the top ends of the back-jacking vertical rods; the bottom end of the back-jacking vertical rod is connected to the supporting end of the cantilever rod, and the top end of the back-jacking vertical rod is tightly pressed on an upper floor slab through the adjustable jacking support, so that the supporting end of the cantilever rod is tightly and tightly pressed between the back-jacking frame and a lower floor slab. The utility model has the characteristics of simple structure is firm, easily equipment and dismantlement.

Description

Cantilever scaffold puts up back support system

Technical Field

The utility model relates to a construction technical field, in particular to a scaffold frame of encorbelmenting back of body support system that is used for installing scaffold frame in the non-shear force wall outside.

Background

Chinese patent No. 201620390932.6 discloses a mounting structure of a cantilever scaffold, wherein the supporting end of the cantilever rod is fixedly connected with the lower floor slab through an embedded part and a steel plate cushion block. The disadvantages of this structure are: the cantilever bar is cumbersome to install and remove, and there is a need for improvement.

Disclosure of Invention

The utility model aims at providing a back-jacking supporting system of an overhanging scaffold, which has simple structure and is very easy to assemble and construct on site; all parts in the whole system can be quickly assembled and disassembled, so that the recycling is convenient; when the method is applied to the reconstruction construction of the old building, the effect of reinforcing the floor slab structure of the old building in the construction process can be further achieved.

The utility model discloses a following technical scheme of purpose accessible realizes:

a back-jacking support system of a cantilever scaffold comprises a lower floor slab, an upper floor slab, a plurality of cantilever rods and the scaffold; the cantilever rods are transversely arranged, one end of each cantilever rod is arranged on the top surface of the lower floor slab to form a supporting end, the other end of each cantilever rod extends out of the lower floor slab to form a cantilever end, and the plurality of cantilever rods are aligned to form a row; the scaffold is a frame structure formed by connecting a plurality of vertical rods, transverse rods and longitudinal rods, wherein 2 vertical rods are connected into vertical rod groups through a plurality of transverse rods, the vertical rod groups are sequentially aligned into a row and are connected with the cantilever rods in a one-to-one correspondence manner, the plurality of longitudinal rods are vertically connected between two or more vertical rod groups, the bottom ends of the vertical rods are vertically connected to the cantilever ends of the cantilever rods, so that the scaffold is supported on the outer sides of a lower floor slab and an upper floor slab through the cantilever ends of the cantilever rods, and the scaffold is fixedly connected with the upper floor slab through wall connecting pieces; the method is characterized in that: a back-jacking frame is further arranged between the lower floor slab and the upper floor slab, the back-jacking frame is a frame structure formed by connecting a plurality of back-jacking vertical rods, back-jacking transverse rods and back-jacking longitudinal rods, and adjustable jacking supports are arranged at the top ends of the back-jacking vertical rods; the 2 back-jacking vertical rods are connected through the back-jacking transverse rods to form a back-jacking vertical rod group, the back-jacking vertical rod groups are sequentially aligned to form a row and are connected with the cantilever rods in a one-to-one mode, the back-jacking longitudinal rods are perpendicularly connected between the two adjacent back-jacking vertical rod groups, the bottom ends of the back-jacking vertical rods are perpendicularly connected to the supporting ends of the cantilever rods, the top ends of the back-jacking vertical rods are pressed on the bottom surface of an upper floor slab through adjustable jacking supports, and the supporting ends of the cantilever rods are tightly fastened between the back-jacking frame and a lower floor slab.

According to the technical scheme, the utility model discloses in return adjustable top of roof-rack hold in the palm including adjustable screw rod and top layer board, adjustable screw rod's top has vertical jack, and top layer board has spill board and end to connect in the inserted bar portion of spill board bottom surface, and the top layer board is inserted in adjustable screw rod's vertical jack by inserted bar portion activity, and the top of returning the top montant in the roof-rack has the screw hole, and adjustable screw rod's bottom threaded connection is in the threaded hole of returning the top montant, rotates adjustable screw rod and can make the top layer board compress tightly to upper floor.

Further optimize the scheme, the utility model discloses it has the flitch to fill up between adjustable top support and the upper floor of roof frame to return in.

Further optimize the scheme, the utility model discloses even wall spare on the well scaffold has even wall horizontal pole and is located the vertical board of even wall horizontal pole one end, has evenly distributed's 2 to 4 even wall holes on the vertical board, even wall hole and expansion bolts fixed connection on the upper floor, the other end of even wall spare passes through the steel pipe fastener and connects on the scaffold frame through vertical board one end.

The utility model has the following substantive characteristics and progress:

1. the utility model discloses a return the roof-rack, hang ram and scaffold and form the force balance, realize the setting up of the scaffold of encorbelmenting in the non-shear force wall outside, have simple structure, set up convenient characteristics.

2. The utility model provides a return roof-rack still can play the effect of consolidating floor structure in the work progress, and is few to the direct destruction of existing building, is applicable to existing building or old building construction very much.

3. The utility model discloses a return the dismantlement of roof-rack, cantilever bar and scaffold frame etc. very convenient, be convenient for retrieve and recycle.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the adjustable top support of the middle return top frame of the present invention.

Fig. 3 is a schematic structural view of the wall connecting member of the middle scaffold of the present invention.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

Examples

Referring to fig. 1 to 3, a cantilever scaffold back-jacking support system includes a lower floor 1, an upper floor 2, a plurality of cantilever rods 3, a scaffold 4 and a back-jacking frame 6.

The cantilever rods 3 are transversely arranged, one end of each cantilever rod is arranged on the top surface of the lower floor slab 1 to form a supporting end, the other end of each cantilever rod extends out of the lower floor slab 1 to form a cantilever end, and the plurality of cantilever rods 3 are aligned to form a row.

Scaffold 4 is by a plurality of montants 41, the frame construction that constitutes is connected to horizontal pole 42 and vertical pole, 2 montants 41 are connected through a plurality of horizontal poles 42 and are organized for the montant, a plurality of montant group align in proper order and arrange, and be connected with the pole 3 one-to-one that encorbelments, many vertical poles are connected perpendicularly between two or a plurality of montant group (not shown in the figure), the bottom of montant 41 is connected perpendicularly on the end of encorbelmenting of the pole 3 of encorbelmenting, make scaffold 4 support in the outside of lower floor 1 and upper floor 2 through the end of encorbelmenting of pole 3.

The scaffold 4 is fixedly connected with the upper floor 2 through the wall connecting piece 5. Referring specifically to fig. 3, the wall connecting member 5 has a wall connecting cross bar 51 and a vertical plate 52 located at one end of the wall connecting cross bar 51, the vertical plate 52 has 2 to 4 wall connecting holes uniformly distributed, one end of the wall connecting member 5 is fixedly connected to the upper floor 2 through the wall connecting holes of the vertical plate 52 and expansion bolts 54, and the other end is connected to the scaffold 4 through steel pipe fasteners 55.

The back-jacking frame 6 is arranged between the lower floor slab 1 and the upper floor slab 2, and the back-jacking frame 6 is a frame structure formed by connecting a plurality of back-jacking vertical rods 61, back-jacking cross rods 62 and back-jacking longitudinal rods.

Referring specifically to fig. 2, the top end of the back vertical rod 61 is provided with a threaded hole 60 and is in threaded connection with the adjustable jacking 7. The adjustable jacking 7 comprises an adjustable screw rod 71 and a jacking plate. The top end of the adjustable screw rod 71 is provided with a vertical insertion hole 70, the top supporting plate is provided with a concave plate part 72 and an inserted rod part 73 with the end connected to the bottom surface of the concave plate part 72, the top supporting plate is movably inserted into the vertical insertion hole 70 of the adjustable screw rod 71 through the inserted rod part 73, and the bottom end of the adjustable screw rod 71 is in threaded connection with the threaded hole 60 of the back vertical rod 61.

2 back-pushing vertical rods 61 are connected through a plurality of back-pushing cross rods 62 and are set as back-pushing vertical rods, a plurality of back-pushing vertical rod sets are sequentially aligned to form a line and are arranged, and are connected with cantilever rods 3 in a one-to-one correspondence mode, a plurality of back-pushing vertical rods are perpendicularly connected between two adjacent sets of back-pushing vertical rod sets (not shown in the figure), the bottom ends of back-pushing vertical rods 61 are perpendicularly connected to cantilever rods 3 and are served, the top ends are supported through adjustable tops and are 7 tightly pressed on the bottom surface of an upper floor slab 2, and the supporting ends of cantilever rods 3 are tightly pressed between back-pushing frames 6 and lower floor slabs 1. A batten 8 is padded between the adjustable jacking 7 and the upper floor 2.

In the support system for the back-up of the cantilever scaffold in this embodiment, a plurality of cantilever rods 3 are arranged on the lower floor slab 1, and the support ends of the cantilever rods 3 can be pre-fixed with the lower floor slab through connecting pieces (not shown). Then, a back-up frame 6 is set up on the supporting end of the cantilever rod 3, and an adjustable screw 71 on the back-up frame 6 is rotated to lift the top supporting plate. When the concave plate portion 72 of the top pallet approaches the upper floor 2, the batten 8 is placed between the top pallet of the adjustable jacking 7 and the upper floor 2. Then, the adjustable screw rods 71 are continuously rotated to lift the jacking plates to press the wood beam 8 to the upper floor 2. And finally, erecting a scaffold 4 at the overhanging end of the overhanging rod 3, and erecting the scaffold 4 while fixedly connecting the wall connecting piece 5 with the upper floor 2, thereby finally completing the erection of the scaffold 4. After the construction of the building is completed, the scaffold 4, the return top frame 6, the cantilever rods 3 and the like are sequentially dismantled so as to be recycled.

Claims

1. A back-jacking support system of a cantilever scaffold comprises a lower floor (1), an upper floor (2), a plurality of cantilever rods (3) and a scaffold (4); the cantilever rods (3) are transversely arranged, one end of each cantilever rod is arranged on the top surface of the lower floor slab (1) to form a supporting end, the other end of each cantilever rod extends out of the lower floor slab (1) to form a cantilever end, and the plurality of cantilever rods (3) are aligned to form a row; the scaffold (4) is a frame structure formed by connecting a plurality of vertical rods (41), transverse rods (42) and longitudinal rods, 2 vertical rods (41) are connected into vertical rod groups through a plurality of transverse rods (42), the vertical rod groups are sequentially aligned into a row and are correspondingly connected with the cantilever rods (3) one by one, the longitudinal rods are vertically connected between two or more vertical rod groups, the bottom ends of the vertical rods (41) are vertically connected to the cantilever ends of the cantilever rods (3), so that the scaffold (4) is supported on the outer sides of the lower floor (1) and the upper floor (2) through the cantilever ends of the cantilever rods (3), and the scaffold (4) is fixedly connected with the upper floor (2) through a wall connecting piece (5); the method is characterized in that: a back-jacking frame (6) is further arranged between the lower floor (1) and the upper floor (2), the back-jacking frame (6) is a frame structure formed by connecting a plurality of back-jacking vertical rods (61), back-jacking cross rods (62) and back-jacking longitudinal rods, and adjustable jacking supports (7) are arranged at the top ends of the back-jacking vertical rods (61); 2 back a montant (61) are connected through a plurality of back a horizontal pole (62) and are organized for the back a montant, a plurality of back a montant group align in proper order and become a row and arrange, and with hang ram (3) one-to-one and be connected, many back a vertical pole connect perpendicularly between adjacent two sets of back a montant group, the bottom of back a montant (61) is connected perpendicularly and is served in the support of hanging ram (3), the top holds in the palm the bottom surface that (7) compressed tightly upper floor (2) through adjustable top, the support end fastening that makes cantilever (3) compresses tightly between back a frame (6) and lower floor (1).

2. The cantilever scaffold back-up support system of claim 1, wherein: go back adjustable top support (7) of roof-rack (6) including adjustable screw rod (71) and top supporting plate, the top of adjustable screw rod (71) has vertical jack (70), and top supporting plate has concave board (72) and end to connect in the inserted bar portion (73) of concave board (72) bottom surface, and top supporting plate is inserted in vertical jack (70) of adjustable screw rod (71) by inserted bar portion (73) activity, and the top of going back top montant (61) in going back roof-rack (6) has screw hole (60), and the bottom threaded connection of adjustable screw rod (71) is in screw hole (60) of going back top montant (61), rotates adjustable screw rod (71) and can make top supporting plate compress tightly to upper floor (2).

3. The cantilever scaffold back-up support system of claim 2, wherein: and a batten (8) is padded between the adjustable jacking (7) of the back jacking frame (6) and the upper floor (2).

4. The overhanging scaffold back support system of claim 1 or 2 or 3, wherein: even wall spare (5) on scaffold frame (4) have even wall horizontal pole (51) and be located vertical plate (52) of even wall horizontal pole (51) one end, have evenly distributed's 2 to 4 even wall holes on vertical plate (52), the one end of even wall spare (5) is passed through even wall hole and expansion bolts (54) fixed connection of vertical plate (52) on upper floor (2), the other end passes through steel pipe fastener (55) and connects on scaffold frame (4).