CN2418187Y

CN2418187Y - Attaching lifting-scaffold

Info

Publication number: CN2418187Y
Application number: CN 00222196
Authority: CN
Inventors: 姚康华; 曾宪权; 黄书凯
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-01-24
Filing date: 2000-01-24
Publication date: 2001-02-07
Anticipated expiration: 2010-01-24

Abstract

The utility model relates to an attaching lifting scaffold for high-rise building, particularly for super high-rise buildings. Existing scaffolds of the kind has the defects of commonly more complicated structure, larger steel content, higher investment for once, and difficult market acceptability. The utility model adopts a main frame with a shaped sheet type girder structure and supporting frames with a shaped sheet type girder structure, wherein, single sheet of the main frame is welded, and bolts are used for connection among sheets; the supporting frames are used in pairs; the utility model is connected with a wall body by a plurality of attaching support and anti-drop devices, and a synchronous lifting system is also adopted for rigidly controlling different step quantities among lifting points. Accordingly, the utility model has the advantage of higher safety.

Description

Attachment type raise scaffold

What the utility model related to a kind of high level that is used for, particularly construction of super highrise building can integral body or the scaffold----attachment type raise scaffold of burst lifting.

Construction is high-rise, super highrise building particularly, generally adopting can integral body or the scaffold of burst lifting, it than choose, suspended scaffold has more compliance, but this scaffold mainly hold also imperfection of Force transmission parts, anti-fall anti-dumping and synchro-lift system, construction requirement is not also satisfied in its safety, and since it was applied to engineering construction, unexpected security incident happened occasionally.

For addressing this problem, the Ministry of Construction issued JGJ59-99 " construction safety check criteria " (hereinafter to be referred as " standard ") on May 1st, 1999.Can " standard " only to service condition, designing and calculating, the support body structure of scaffold, adhere to support, lifting gear, anti-fall anti-dumping, guiding device etc. and carried out necessary hard and fast rule, country there is no concrete both consideration security reliabilities, also considers the product standard of economy, practicality.Main frame, the scaffold of the scaffold of existing reference " standard " design all are space truss structures, and it adheres to support and guiding, anti-fall anti-tilt device establish one's own system, and lifting means mostly is the general electric cucurbit.Though the security reliability of these scaffolds increases, structure is generally complicated, and steel content is bigger, and disposable input and cost of use are all higher, and market is difficult to accept.

The purpose of this utility model is the attachment type raise scaffold that will provide a kind of both safe and reliable, economical and practical again.

The purpose of this utility model be achieved in that scaffold by main frame, scaffold, support body, adhere to and support and anti-fall anti-tilt device, synchro-lift system, anti-fall flip flop equipment and connection wall screw nut are formed.Main frame and scaffold are the rectangular planes trussed construction.Wherein main frame long limit is welded back-to-back by two channel-section steels, makes guide rail usefulness, and the guide rail outside is welded with spacing equal steel plate and reinforcing rib along its length and does anti-fall.Scaffold uses in pairs, is coupled to space truss with steel pipe, fastener (or bolt) between two in use.Fixing, anti-fall, the anti-dumping of scaffold all by adhere to support and anti-fall anti-tilt device on push rod and the L shaped guiding crotch load formed by screw rod, swivel nut seat.The length of push rod can need be regulated by the screw pair that screw rod and swivel nut seat are formed by using.Synchro-lift system is made up of the electrical control cubicles of two moving cucurbits and band PLC industry programmable logic controller; Two moving cucurbits pass through the shaft coupling be combined into by the motor of Chain block and band reducer, and drive motor can be realized electronic, and pulling pulls chain and can realize manually.Anti-fall flip flop equipment is by little wire rope, turnbuckle screw and quantitatively extend pull bar and form, and is irrelevant with electricity, magnetic, is pure frame for movement, and reliability is higher.Support the adhering to of scaffold and anti-fall anti-tilt device all independently is provided with at each floor.

The utility model is because the main frame, scaffold that have adopted the typing trussed construction supported and anti-fall anti-tilt device is connected with body of wall with a plurality of adhering to, and adopted the synchro-lift system strictness to control asynchronous amount between each lifting point, so security reliability is higher; To adhere to support and anti-fall anti-dumping in addition and combine together, main frame and scaffold will be designed to slice structure, make that whole scaffold is simple and direct, in light weight, be convenient to assembling and transhipment, better economy.

Concrete structure of the present utility model is provided by following embodiment and accompanying drawing thereof.

Fig. 1 is a side elevation schematic diagram of the present utility model, and Fig. 6 is a positive elevational schematic view of the present utility model.

Fig. 2 is the structural representation of main frame standard knot of the present utility model.

Fig. 3 is the structural representation of monolithic scaffold of the present utility model.

Fig. 4 is the structural representation that adheres to support and anti-fall anti-tilt device of the present utility model.

Fig. 5 is the structural representation of two moving cucurbits of the present utility model.

Below in conjunction with details and the working condition of accompanying drawing detailed description according to the concrete scaffold that the utility model proposes.

As Fig. 1 and shown in Figure 6, the utility model by main frame (2), scaffold (1), support body (10), adhere to and support and the turnbuckle screw (5) of the two moving cucurbit (4) of anti-fall anti-tilt device (3), synchro-lift system and electrical control cubicles (8), anti-fall flip flop equipment, quantitatively extend pull bar (6), little wire rope (7), attached wall screw bolt and nut (9), connect the U bolt and nut (11) composition of main frame (2) and scaffold (1).Load on the support body (10) is passed to scaffold (1) by vertical rod, passes to main frame (2) by scaffold (1) again, passes to building by main frame (2) by adhering to support and anti-fall anti-tilt device (3) at last.The vertical rod of support body (10) directly is inserted in the bearing socket of scaffold (1), and its leger links to each other with main frame (2) by fastener; Adhere to and support and the L shaped guiding crotch of anti-fall anti-tilt device hooks in the gathering sill of main frame (2), its anti-fall push rod scaffold fix or lifting process in withstand on the main frame guide rail anti-fall during tenesmus, play fixing and the anti-fall effect of anti-dumping.Scaffold is fixedly the time, the turnbuckle screw (5) of the two moving cucurbit (4) of synchro-lift system and electrical control cubicles (8), anti-fall flip flop equipment, quantitatively extend pull bar (6), little wire rope (7) all is not contained on the scaffold.Respectively adhere to and support and the push rod of anti-fall anti-tilt device withstands on the main frame nearby anti-fall respectively, and as far as possible evenly stressed.When scaffold promotes, at first remove and support and anti-fall anti-tilt device adhering to of main frame bottom, install two moving cucurbits (4) and electrical control cubicles (8) again, just can promote.At this moment, the guide rail with anti-fall of main frame (2) is equivalent to the infinitely-great ratchet of a diameter, and the push rod that adheres to support and anti-fall anti-tilt device then is equivalent to a ratchet.The anti-fall principle work that prevents the ratchet reverse by ratchet.When scaffold descends, then needn't tear open to adhere to and support and anti-fall anti-tilt device, but need be the turnbuckle screw (5) of two moving cucurbits (4) and electrical control cubicles (8), anti-fall flip flop equipment, quantitatively extend pull bar (6), little wire rope (7) is all loaded onto, and two moving cucurbits (4) and electrical control cubicles (8) be contained in several from the bottom up second adhere near support and the anti-fall anti-tilt device.Before beginning to descend, should allow two moving cucurbits stressed earlier, regulate turnbuckle screw again, make each push rod produce anti-fall and could descend synchronously afterwards.When the lifting chain of two moving cucurbits or the sling point on the main frame guide rail rupture suddenly, during the scaffold tenesmus, quantitatively elongation pull bar (6) is up carried under the effect of stage clip, unclamp little wire rope (7), perhaps little wire rope (7) is broken, the anti-fall push rod that adheres to support and anti-fall anti-tilt device will withstand anti-fall under the effect of returning pull-spring, prevent the scaffold tenesmus; If hanging adhering to of cucurbit supports and anti-fall anti-tilt device or attached wall bolt catastrophic failure, little wire rope (7) will be broken, all the other anti-fall push rods that adhere to support and anti-fall anti-tilt device also can withstand anti-fall under the effect of returning pull-spring, prevent the scaffold tenesmus.

As shown in Figure 2, the main frame standard knot is the rectangular planes trussed construction, and one of them long limit (13) is welded back-to-back by two channel-section steels, makes guide rail usefulness, and the guide rail outside is welded with spacing equal reinforcing rib (14) and steel plate (15) along its length and does anti-fall.Connect by flange (19) between the standard knot.(16) be another long limit of the plane frame made of steel pipe, (17), (18) are web members.

As shown in Figure 3, the monolithic scaffold is the rectangular planes trussed construction.Upper chord (20) is made of square steel pipe, and bearing socket (23) is welded on the upper chord, and lower chord (21) is made of steel pipe, and (22), (24) are web members, and (25) are to stride a coupling flange.Be coupled to space truss with need steel pipe, fastener between two of scaffold during use.

As shown in Figure 4, adhering to support and anti-fall anti-tilt device mainly is made up of screw rod (26), swivel nut seat (27), returning pull-spring (28), L shaped guiding crotch (29), bearing pin (30) and support frame (31).The length of push rod can need be regulated by the screw pair that screw rod and swivel nut seat are formed by using.

As shown in Figure 5, two moving cucurbits mainly are made up of motor (32), shaft coupling (33), Chain block (34), Connection Block (35), bolt (36), the microswitch (37) of band reducer.Microswitch (37) is used for detecting the hoisting depth of cucurbit.

Main frame has the branch of standard knot and coxopodite, and coxopodite is Duoed an otic placode of using for lifting than standard knot.

Claims

1. one kind is used for high level, the attachment type raise scaffold of construction of super highrise building particularly, this scaffold has main frame (2), scaffold (1), support body (10), adhere to and support and anti-fall anti-tilt device (3), the two moving cucurbit (4) and the electrical control cubicles (8) of synchro-lift system, the turnbuckle screw of anti-fall flip flop equipment (5), quantitatively extend pull bar (6), little wire rope (7), attached wall screw bolt and nut (9), the U bolt and the nut (11) that connect main frame (2) and scaffold (1) is characterized in that main frame (2) and scaffold (1) the monolithic fabricated structure for connecting with screw bolt and nut.

2. scaffold according to claim 1, the main frame standard knot that it is characterized in that scaffold is the rectangular planes trussed construction, one of them long limit (13) is welded back-to-back by two channel-section steels, making guide rail uses, the guide rail outside is welded with spacing equal reinforcing rib (14) and steel plate (15) along its length and does anti-fall, is connect by flange (19) between the standard knot.

3. scaffold according to claim 1 is characterized in that the scaffold of scaffold is the two-piece type truss structural, is coupled to space truss with steel pipe, fastener (or bolt) between two during use.

4. scaffold according to claim 3, it is characterized in that the monolithic scaffold is the rectangular planes trussed construction, upper chord (20) is made of square steel pipe, bearing socket (23) is welded on the upper chord, lower chord (21) is made of steel pipe, (22), (24) be web member, (25) are to stride a coupling flange.

5. scaffold according to claim 1, it is characterized in that adhering to of scaffold supports and anti-fall anti-tilt device mainly is made up of screw rod (26), swivel nut seat (27), returning pull-spring (28), L shaped guiding crotch (29), bearing pin (30) and support frame (31), the length of the push rod of being made up of screw rod (26), swivel nut seat (27) can need be by this screw pair adjusting by use.

6. scaffold according to claim 1 is characterized in that the synchro-lift system of scaffold is made up of the electrical control cubicles of two moving cucurbits and band PLC industry programmable logic controller.

7. scaffold according to claim 6 is characterized in that two moving cucurbits mainly are made up of motor (32), shaft coupling (33), Chain block (34), Connection Block (35), bolt (36), the microswitch (37) of band reducer.

8. scaffold according to claim 1, the anti-fall flip flop equipment that it is characterized in that scaffold by turnbuckle screw (5), quantitatively extend pull bar (6), little wire rope (7) is formed.

9. scaffold according to claim 1 is characterized in that adhering to of scaffold supports and anti-fall anti-tilt device all independently is provided with at each floor.

10. scaffold according to claim 1 is characterized in that being connect by U bolt (11) and nut between the main frame (2) of scaffold and the scaffold (1).