CN2292857Y

CN2292857Y - Anti-overturning and anti-falling integrally lifting scaffold

Info

Publication number: CN2292857Y
Application number: CN 96216951
Authority: CN
Inventors: 王辉
Original assignee: Individual
Current assignee: Individual
Priority date: 1996-07-10
Filing date: 1996-07-10
Publication date: 1998-09-30
Anticipated expiration: 2006-07-10

Abstract

The utility model relates to an anti-overturn and anti-fall integral lifting scaffold which comprises a scaffold body, a lifting mechanism, a suspending device, an anti-overturn device, an anti-fall device, wherein, the anti-overturn device comprises a locating track, an upper cantilever beam, a lower cantilever beam, a bearing bracket, a wedge block guide groove and a wedge block. The upper end and the lower end of the locating track are respectively fixed to the upper cantilever beam and the lower cantilever beam; the bearing bracket, the wedge block and the limiting scaffold body of the wedge block guide groove can only move along the locating track; the anti-fall device comprises a load bearing hanging piece, a load bearing connecting rod, a load bearing bolt bar, a fall indicating spring, a supporting seat, a lever, a wedge block, a locating track and a wedge block guide groove; the upper end of the load bearing hanging piece is connected with a lifting chain; the lower end of the load bearing hanging piece is hinged with one end of the lever through the load bearing connecting rod; the other end of the lever is connected with the wedge block. The utility model has the advantages of wide use conditions, strong applicability, good installation performance, high stability and low cost.

Description

Anti-topple, the fall arrest integral lifting scaffold

The utility model belongs to the building operations scaffold, and what be specifically related to is a kind of integral lifting scaffold.

The integral lifting scaffold that adopts on the construction market has two kinds at present: no track and the scaffold that track is arranged.No track scaffold climbs conveniently, service condition is loose, construction speed is fast, but lack effective safety measure, only on lifting I-shaped outrigger, one wire rope is set and holds the load carriage, though this method can stop support body from falling to ground, but there is bigger falling distance, can not prevent that support body from producing excessive distortion, the continuation that influences scaffold is normally used; There have track scaffold such as Chinese utility model patent 93235702.4 to disclose to be a kind of guide tracked from climbing scaffold, be provided with guide assembly and guide wheel assembly, guide assembly is fixed by the built-in fitting on the body of wall, support body can climb along guide rail by guide wheel assembly, this scaffold has stability preferably, anti-fall preferably effect is arranged during rising, can prevent to produce when support body from accidental falling occurring in uphill process excessive deformation, falling when but such device can not prevent support body decline, and the vertical transport of track and dismounting, the correction of track verticality, the maintenance of track has all hindered construction speed greatly, and because attachment rail on the wall, need on body of wall, increase many preformed holes that certain precision is arranged, bring difficulty to construction, increase construction costs.

The purpose of this utility model is to overcome the shortcoming of the above prior art, a kind of integral lifting scaffold is provided, this scaffold not only has the stability and the safety of height, can prevent that integrated stand is in lifting process, especially when accidental falling appears in support body, produce excessive distortion, and service condition is loose, easy to use.

The technical solution of the utility model is as follows: the utility model comprises support body, suspension apparatus, hoisting mechanism, Overthrow preventing device and falling proof device, hoisting mechanism comprises elevator and elevator chain, described Overthrow preventing device comprises positioning track, last outrigger, following outrigger, load carriage for a support body part, voussoir guide groove and voussoir, a described end of going up outrigger and following outrigger fixedly links with body of wall respectively, the upper end of described positioning track is fixed on the outrigger, the lower end is fixed on the following outrigger, described load carriage comprises bearing beam and positioning beam, bearing beam links to each other with elevator chain, positioning beam is clipped in the positioning track both sides, and voussoir is in the in addition two sides of positioning track and be fixed between the voussoir guide groove on the positioning beam; Described falling proof device comprises the load-bearing suspension member, the load-bearing connecting rod, load-bearing door bolt bar, the indication spring falls, bearing, lever, voussoir, positioning track and voussoir guide groove, load-bearing suspension member upper end links to each other with elevator chain, following termination load-bearing connecting rod, the load-bearing connecting rod passes the end hinge of bearing beam at lower end and lever, lever the middle part be fixed in bearing beam on bearing hinge mutually, the other end of lever is fixedlyed connected with voussoir, fall and indicate the spring upper end to be fixed on the load-bearing suspension member, the lower end is fixed on the spandrel girder, load-bearing door bolt bar is fixed on the load-bearing connecting rod, between spandrel girder and lever.

Advantage of the present utility model is: the used positioning track of the utility model mainly is to be fixed on the body of wall by last outrigger and following outrigger, and the attached wall conditional request is low, and service condition is loose, and highly versatile, can adapt to different building external forms; The utility model entangles positioning track by positioning beam, voussoir guide groove and voussoir, can prevent toppling of support body effectively, adopts lever and self-locking wedge structure, can prevent the downslide of support body effectively, thereby the utility model has advantages of higher stability and safety; Relatively simple for structure, cost is low.

The utility model is described in further detail below in conjunction with drawings and Examples.

Fig. 1 is the overall structure schematic diagram of the utility model embodiment.

Fig. 2 is the vertical view of the Overthrow preventing device of the utility model embodiment.

Fig. 3 is the vertical view of the guiding device of the utility model embodiment.

Fig. 4 is the structural representation of the utility model embodiment falling proof device.

Fig. 5 is the sectional drawing of the cotter mechanism of the utility model embodiment.

To shown in Figure 5, the utility model embodiment mainly is made up of support body, suspension apparatus, hoisting mechanism, Overthrow preventing device and falling proof device as Fig. 1; Hoisting mechanism comprises electric block (1) and elevator chain (2); Overthrow preventing device comprises positioning track (3), last outrigger (4), following outrigger (5), load carriage (6) for a support body part, voussoir guide groove (7) and voussoir (8), a last outrigger (4) that i iron is made and an end of following outrigger (5) fixedly link with body of wall respectively, support body is during along positioning track (3) lifting, last outrigger (4) is hung on the body of wall by pair of cross suspention cable wire, positioning track (3) is made up of a pair of i iron, (4) on the outrigger are fixed in its upper end, the lower end is fixed on the following outrigger (5), load carriage (6) also links to each other with the suspention cable wire that pair of cross can hang over body of wall, when moving on the positioning track (3), the suspention cable wire that links to each other with last outrigger (4) takes off from body of wall, whole frame body is by the suspention cable wire load-bearing that links to each other with load carriage (6), load carriage (6) comprises bearing beam (16) and positioning beam (17), bearing beam (16) connects elevator chain (2), elevator chain (2) connects electric block (1), positioning beam (17) is clipped in positioning track (3) both sides, voussoir (8) is positioned at positioning track (3) wing plate both sides and is fixed between the voussoir guide groove (7) on the positioning beam (17), between the external surface of normal condition lower wedge block (8) and positioning track (3) and the voussoir guide groove (7) certain interval is arranged, voussoir (8) is big top and small bottom.Overthrow preventing device also is provided with a guiding device (9), and one end and body of wall link, and that positioning track that an end entangles nearly wall has certain interval between guiding device (9) and the positioning track (3) as shown in Figure 3.Described falling proof device comprises load-bearing suspension member (10), load-bearing connecting rod (11), load-bearing door bolt bar (12), indication spring (13) falls, bearing (14), lever (15), voussoir (8), positioning track (3) and voussoir guide groove (7), load-bearing suspension member (10) upper end links to each other with elevator chain (2), following termination load-bearing connecting rod (11), load-bearing connecting rod (11) passes the end hinge of bearing beam (7) at lower end and lever (15), lever (15) is at middle part and bearing (14) hinge that is fixed on the bearing beam (7), the other end of lever (15) is fixedlyed connected with voussoir (8), fall and indicate spring (13) upper end to be fixed on the load-bearing suspension member (10), the lower end is fixed on the bearing beam (16) by nut and adjusting screw, the indication spring (13) that falls is in extended state in lifting, its pulling force size is by adjusting screw and nut free adjustment, load-bearing door bolt bar (12) is fixed on the load-bearing connecting rod (11), is positioned between bearing beam (16) and the lever (15).

As mentioned above, positioning beam (17), voussoir (8), voussoir guide groove (7) restriction support body can only vertically move up and down along positioning track (3), can't inside and outsidely, left and right topple, thereby have guaranteed the stability of integral lifting scaffold; When the normal lifting of support body, elevator chain (2) is subjected to a pulling force that makes progress all the time, this pulling force passes on the load carriage (6) by load-bearing suspension member (10), load-bearing connecting rod (11) and load-bearing door bolt bar (12), the indication spring (13) that falls this moment is in the state of being stretched, lever (15) is raised with the end that load-bearing connecting rod (11) links, the other end is left behind, be in exit status, between voussoir (8) and positioning track (3) surface and the voussoir guide groove (7) certain interval is arranged, integrated stand can be about positioning track (3) freedom.When the rope situation takes place to break in elevator chain (2), load-bearing suspension member (10) has lost the pulling force that makes progress, load-bearing suspension member (10) moves down rapidly under fall indication spring (13) and self gravitation effect, one end of lever (15) is depressed, its with a end that voussoir (8) links to each other on push up, voussoir (8) is gone up sliding, gap between voussoir (8) and voussoir guide groove (7) and the positioning track (3) disappears, produce huge frictional force, stop the continuation of bearing support (6) to be glided, thereby prevented falling of whole frame body.This falling proof device is active in one's movements, and maximum falling distance is no more than 5 centimeters, makes support body produce excessive deformation at the accident Shi Buhui that falls.

Claims

1. prevent toppling for one kind, the fall arrest integral lifting scaffold, comprise support body, suspension apparatus and hoisting mechanism, hoisting mechanism comprises elevator and elevator chain (2), it is characterized in that: also comprise Overthrow preventing device and falling proof device, described Overthrow preventing device comprises positioning track (3), last outrigger (4), following outrigger (5), load carriage (6) for a support body part, voussoir guide groove (7) and voussoir (8), a described end of going up outrigger (4) and following outrigger (5) fixedly links with body of wall respectively, the upper end of described positioning track (3) is fixed on the outrigger (4), the lower end is fixed on the following outrigger (5), described load carriage (6) comprises bearing beam (16) and positioning beam (17), bearing beam (16) links to each other with elevator chain (2), positioning beam (17) is clipped in positioning track (3) both sides, and voussoir (8) is positioned at the in addition two sides of positioning track (3) and is fixed between the voussoir guide groove (7) on the positioning beam (17); Described falling proof device comprises load-bearing suspension member (10), load-bearing connecting rod (11), load-bearing door bolt bar (12), indication spring (13) falls, bearing (14), lever (15), voussoir (8), positioning track (3) and voussoir guide groove (7), load-bearing suspension member (10) upper end links to each other with elevator chain (2), following termination load-bearing connecting rod (11), load-bearing connecting rod (11) passes the end hinge of bearing beam (16) at lower end and lever (15), lever (15) is at middle part and bearing (14) hinge that is fixed on the bearing beam (16), the other end of lever (15) and voussoir (8) are fixedly connected, fall and indicate spring (13) upper end to be fixed on the load-bearing suspension member (10), the lower end is fixed on the bearing beam (16), load-bearing door bolt bar (12) is fixed on the load-bearing connecting rod (11), is positioned between bearing beam (16) and the lever (15).

2. according to claim 1ly anti-topple, the fall arrest integral lifting scaffold, it is characterized in that: described Overthrow preventing device also comprises guiding device (9), guiding device (9) one ends are fixed on the body of wall, an end entangles positioning track (3).