CN1334233A

CN1334233A - Lifting device

Info

Publication number: CN1334233A
Application number: CN00134511A
Authority: CN
Inventors: 约翰·弗朗西斯·麦金蒂
Original assignee: CORVANA BUILDING Ltd
Current assignee: CORVANA BUILDING Ltd
Priority date: 2000-07-19
Filing date: 2000-12-07
Publication date: 2002-02-06
Also published as: NO20013174L; PL344563A1; EP1180489A1; GB2364986B; AU7185700A; HK1040230A1; NO20013174D0; HK1040230B; GB2364986A; GB0017579D0

Abstract

A mobile lifting device comprises a dismantlable frame mounted on wheels and supporting an elevated horizontal beam which projects out beyond the perimeter of the frame. A load is raised or lowered by means of a chainwinch depending from a trolley running along the projecting part of the beam. The support framework is ballasted with any convenient material to counterbalance the load; in a development, one or more containers of water are used as ballast.

Description

Bont

The present invention relates to bont.

The requirement that promotes and handle heavy load is often arranged in various industries, and prior art provides various scheme.

In building industry, can utilize one sealing in the vertical case operation up and down and the platform that supports by scaffold, at the side of building moving load.Outside the building during the position on the side, also can in addition pulley be installed to the pinnacled on overhanging part of it at scaffold, a rope that passes through on pulley by tractive comes lifting load.

Said method has following shortcoming.

When being provided at the bont of the last moving load in the building outside with scaffold, generally it comprises the provisional structure that is fixed on a position, and can be very heavy, and working expenses is high and inconvenient.Such bont generally also requires the staff to be pulled in load on the rope of swing, or handles it at limited room for promotion, and this involves clumsy adventurous operation.

The purpose of this invention is to provide movably bont, it is installed and the operation fast, economical, uses safety and convenient.

According to the present invention, the bont that provides comprises: a plurality of separate parts, its assembly and disassembly each other easily, and comprise bracing or strutting arrangement, support the load mobile device that a load suspender and load suspender support, feature is: described load suspender reaches outside described bracing or strutting arrangement periphery, and by erecting device a balance ballast is installed on described bracing or strutting arrangement, makes the load of equalizing suspension system to the described load mobile device.

In an improvement, the device of dress water can be used as the balance ballast.

Referring now to description of drawings specific embodiment of the present invention.

Fig. 1 is a lateral plan of not being with the bont of balance ballast;

Fig. 2 is the end elevation of bont shown in Figure 1, and the load mobile device partly cuts open;

Fig. 3 is the bont transparent view illustrated in figures 1 and 2 an architectural use;

Fig. 4 is a bont lateral plan shown in Figure 1, and additional balance ballast bracing or strutting arrangement supports the device of dressing water; With

Fig. 5 is the transparent view of the device of the dress water that uses with bont shown in Figure 1.

Corresponding parts in each figure are represented with same label.

See Fig. 1 and 2, support frame 10 comprise a bottom 12 and intermediate support 13 and 13 ', a load of intermediate support 13 and 13 ' supporting suspender 15, described load suspender from the bottom 12 ground that limit protruding and form a load suspended portion 16.The load suspended portion 16 by a hold-down arm 17 and crossbeam 18 additional support, hold-down arm and crossbeam from the load suspended portion 16 to intermediate support 13 ' transfer part load.

Support frame 10 comprises the lightweight element of a plurality of rigidity, utilizes erecting devices such as easy-off nuts and bolt, they are connected to each other easily and are connected to load suspender 15 and miscellaneous part.In this embodiment, bont can resolve into bottom 12, intermediate support 13 and 13 ' and, hold-down arm 17, crossbeam 18, load suspender 15 and a platform 20 that comprises balance ballast bracing or strutting arrangement.Its member further can be resolved in bottom 12, i.e. pillar 24 and 33.In use, bont can split into and be small enough to the assembly set that is moved into place by the people easily, for example, re-assemblies on the ceiling of the building that a part preparing to use builds up at them.

Bottom 12 is by wheel 19 and 19 ' support on the ground, and supporting balance ballast bracing or strutting arrangement 20, described balance ballast bracing or strutting arrangement comprises a platform on the framework that is positioned at 12 end 21, bottom, and described end 21 is from load suspended portion 16 part farthest on the bottom 12.The bottom 12 also is provided with an additional revolving wheel 22, and the extremity piece 24 that it is arranged in bottom 12 can rise or descend by rotary handle 23 and take turns 22 in the heart.In the use, rotary handle 23 drops to position with ground engagement to revolving wheel 22, and further rotary handle promotes extremity piece 24, and will take turns 19 ' lift from the face of turning up the soil.Supporting support frame 10 by wheel 19 and revolving wheel 22 then, making it to sail in the position of any hope along ground surface.Can promote revolving wheel 22 by putting upside down said procedure then, up to support frame 10 drop to be supported on all four the wheel 19 and 19 ' on.

The load suspended portion 16 of load suspender 15 provides load suspension face 25, the latter limits a cardinal principle horizontal rail that is supporting the roller 26 of load transfer device 27, and described roller is remained in the seat 28 of load transfer device 27 by the axle and the bearing arrangement (not shown) location of Known designs.Load transfer device 27 is kept by load suspended portion 16, can be along 16 operations of load suspended portion between

end drg

31 and 32, described end stop is fixed on the load suspended portion 16, thus the extreme limit of travel of load transfer device 27 they respectively near on load transfer device 27.Seat 28 also is provided with a hitch point 29, it can be fixing or a rotate ring, hang a Load lifting and lowering means from it, described Load lifting and lowering means be the chain drum 30 of a Known designs preferably, described chain drum comprises a main body 40, the latter is installed to hitch point 29, and described chain drum also comprises an endless chain 41 and a load suspender 42.

See Fig. 3, the bont that illustrates is prepared to use on the top 45 of building, the user adorns the balance ballast of conveniently obtaining 43 on balance ballast bracing or strutting arrangement 20, make when chain drum 30 promotes built on stilts with described workload 44 the opposite power that makes progress that the downward power that is added by balance ballast 43 significantly produces greater than workload 44 on balance ballast bracing or strutting arrangement 20.Workload 44 is suspended on the load suspender 42, and chain 41 is by user's pulling, and the power that chain drum 30 applies the user is usually amplified several times, to main body 40 pulling load suspenders 42, rises to the height of hope up to workload 44.

Workload 44 can be moved to the edge on roof 45 safely by the user then, and load transfer device 27 moves between

end stop

31 and 32 along load suspended portion 16.Then by wheel 19 and 19 ' on the bont that rolls, workload 44 can stride across the position that roof 45 moves into a hope; In addition, by being set with said procedure, additional wheel 22 can obtain bigger manoevreability.

At least certain is taken turns 19 and 19 ' can be provided with the brake gear (not shown) and bont is remained on the position of hope when work.

See Fig. 3 and 4, in an improvement, support frame 10 is provided with additional balance ballast bracing or strutting arrangement 35, and it comprises a carriage, wherein places the water receiver 36 of a plurality of dress water, provides additional or other balance ballast to balance ballast 43.

In seeing Fig. 3 and 5, one another improving, be provided with the jar 50 of the balance ballast that water is housed, as providing other ballast to balance ballast 43.Described jars 50 can be positioned on the balance ballast bracing or strutting arrangement 20, and comprise tank body 51, its upper surface 56 be provided with one on filler opening 53 by the fixing removable filling cap 52 of screw, be provided with the valve gear 55 of drain tank in adjacent its bottom 54.

Jar 50 can make it in light weight easily by the plastics manufacturing, but keeps a large amount of water to make its meeting very heavy.In the time will bont being set, for example on the top 45 of the building made of part, can be at first at the position of hope assembling bont, then with on the position very little or that jar 50 is not promoted on the top 45 that arrives buildings with the balance ballast.

In order to simplify this program, the upper surface 56 of jar 50 also is provided with suspension gear 57, during use, load suspender 42 can be hanging on the suspension gear before above-mentioned lift pot 50.

In the use, jar 50 is positioned on the balance ballast bracing or strutting arrangement 20, pours water, and for example passes through flexible pipe.In order to be provided at the indication accurately of operable safety working load on the bont to the user, be provided with a horizontal ruler 60, it comprises the lucite pipe 61 that a basic vertical direction on the outside face 58 of jar 50 is provided with.Hitch point 62 and 62 by being respectively adjacent to upper surface 56 and bottom 54 of pipe 61 and jars 50 inside ' is communicated with, and comprise that is managed in 61 a distinct colored plastic buoy 63 unsteady on the water surface.Outside face 58 also comprises a scale 64 of an adjacent tube 61, the safety working load of expression bont in scale.In the use, arrive the corresponding point of workload of the hope that will promote with bont on the scale 64 up to buoy 63 to jar 50 priming petocks.

The invention is not restricted to the foregoing description, except above-mentioned, can take as above-mentionedly be arranged on the roof, on the platform or other locational any type of detouchables bont movably.On the basis of understanding above-mentioned explanation, claim and accompanying drawing, the insider can understand other advantages of the present invention and feature.

Claims

1. bont movably, comprise a plurality of stand-alone assemblies that can assemble easily and take apart (24,33,15,13,13 ', 17,18,20,35), comprise bracing or strutting arrangement (10), it supports the load mobile device (27,30) of a load suspender (15) and load suspender (15) support; It is characterized in that, the load suspender extends outward to outside the periphery of described bracing or strutting arrangement, and be provided with erecting device (20,35), be used for being equilibrated at the load (44) that hangs on the described load mobile device at installation balance ballast (43,36,50) on the described bracing or strutting arrangement.

2. bont according to claim 1 is characterized in that, described balance ballast bracing or strutting arrangement comprises the platform (20) that can place weight (43,50) thereon.

3. bont according to claim 1 is characterized in that, described load mobile device can move between spacing (31,32) of stroke along described load suspender.

4. require any one described bont according to aforesaid right, it is characterized in that, described load mobile device comprises Load lifting and lowering means (30).

5. bont according to claim 1 is characterized in that, described bracing or strutting arrangement is supported on a plurality of wheel the (19,19 ') at least in part.

6. bont according to claim 5 is characterized in that, some described wheel is provided with brake gear at least.

7. bont according to claim 5 is characterized in that, is provided with steerable a wheel (22).

8. bont according to claim 7 is characterized in that, described steerable wheel and other two wheels (19) relation triangular in shape.

9. bont according to claim 1 is characterized in that described bont is a lightweight construction.

10. bont according to claim 1 is characterized in that, described balance ballast bracing or strutting arrangement supports the device (36,50) of dressing water.

11. bont according to claim 10 is characterized in that, the device of described dress water is made of lightweight material.

12. bont according to claim 10 is characterized in that, the device of described dress water (50) is provided with the water yield that watch counter device (60) illustrates interior dress.

13. bont according to claim 12 is characterized in that, contiguous described watch counter device is provided with scale (64), and the scale of described scale represents to be added to the safety working load of described lifting and lowering means.