Integrated reversal of the natural order of things cucurbit
Technical field
The present invention relates to crane hoisting equipment, more particularly, relate to integrated reversal of the natural order of things cucurbit.
Background technology
The loop chain gig claims cucurbit again, is a kind of light-duty crane hoisting equipment, is widely used in building, the slow lifting of the object in engineering field such as machinery, metallurgy, mine, vehicle, boats and ships.As depicted in figs. 1 and 2, be the scheme drawing of existing cucurbit, in the use cucurbit body 1 be fixed on the eminence that object need promote usually, the hook on the chain 2 is hooked on the lifting object; Weight promotes the back as need to continue up to promote of putting in place, and it is mobile on the suspension centre of eminence more then to need manually to move cucurbit 1.
The loop chain gig also is usually used in the attachment type raise scaffold field.Attachment type raise scaffold is the equipment that uses in skyscraper and the construction of super highrise building, and in use or operational process, lifting or decline process are all slowly carried out, and often use the loop chain gig as bont.Usually scaffold is in lifting process, need a dead lift cucurbit 1 to fix on the structure of high one deck, the support body lifting need remove cucurbit 1 after putting in place and fixing, manually the floor that cucurbit 1 is transported to higher level is fixed, and the support body that carries out another time behind the jack again promotes; Usually in the decline process, need a dead lift cucurbit 1 to fix on the structure of low one deck, support body decline need remove cucurbit 1 after putting in place and fixing, and the floor that manually cucurbit 1 is transported to lower one deck is fixed, and the support body that carries out another time behind the jack again descends.
The operation of above-mentioned cucurbit is not only required great effort, and also has great potential safety hazard, the continuous dismounting of cucurbit simultaneously, and the equipment of giving has also brought loss.
The utility model content
The object of the present invention is to provide a kind of integrated reversal of the natural order of things cucurbit, in the process of circularly enhancing or decline, do not need the dismounting cucurbit, reduce manual work, improve the safety performance of operation.
The technical scheme that its technical matters that solves the utility model adopts is: construct a kind of integrated reversal of the natural order of things cucurbit, comprise cucurbit body and train thereof, loop chain, hook and train thereof, jack device and train thereof, described loop chain is an osed top whole piece chain, the part of chain turns to the load-bearing assembly pulley in train on the cucurbit body and the train on the hook, another part of chain turns to the jack assembly pulley in train on the jack device and the train correspondence on the hook, and the chain of load-bearing assembly pulley and jack assembly pulley forms loop chain by the coiling between the train on train on the described jack device and the described cucurbit body.
In integrated reversal of the natural order of things cucurbit described in the utility model, the origin or beginning of described chain and tail end are connected in the two ends on the described hook simultaneously respectively, the load-bearing assembly pulley has at least one and quantity to equate in pulley number on the described cucurbit body and the pulley number of jack assembly pulley on described jack device, the load-bearing assembly pulley equates that with the pulley number of jack assembly pulley on described hook the pulley number of load-bearing assembly pulley on described cucurbit body Duoed one than the pulley number of load-bearing assembly pulley on described hook in the pulley number on the described hook.
In integrated reversal of the natural order of things cucurbit described in the utility model, the origin or beginning of described chain is connected on the described electric block, the tail end of described chain is connected on the described jack device, the load-bearing assembly pulley has at least one and quantity to equate in pulley number on the described cucurbit body and the pulley number of jack assembly pulley on described jack device, the load-bearing assembly pulley equates with the pulley number of jack assembly pulley on described hook that in the pulley number on the described hook pulley number of load-bearing assembly pulley on described cucurbit body equates with the pulley number of load-bearing assembly pulley on described hook.
In integrated reversal of the natural order of things cucurbit described in the utility model, has telescopic connection structure on the described jack device.
Implement integrated reversal of the natural order of things cucurbit of the present utility model, has following beneficial effect: during lifting work, described cucurbit body and train thereof are connected with the lifting underbody, described jack device and train thereof are connected with lifting object top, described hook and train thereof are fixed by member and force structure, the supporting part chain of the loop chain described in the lifting process constantly shortens, the equity elongation of cooresponding loop chain jack part chain; After the lifting object puts in place itself and force structure are fixed, described hook and train disengagement thereof are fixing with force structure, the cucurbit counter-rotating realizes jack, be that described loop chain jack part chain constantly shortens, the elongation of cooresponding loop chain supporting part chain equity, described hook and train thereof move toward a higher hoisting depth, after putting in place it are fixed by member and force structure, enter next circulation.Of the present utility model simple in structure, easy to use, can realize self mechanization campaign of lifting means, reduced manual work, improved safety performance, realized automated job, be applicable to the lifting of the light equipment of repeatedly working.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the scheme drawing of existing cucurbit bont;
Fig. 2 is a cucurbit bont left side scheme drawing shown in Figure 1;
Fig. 3 is the scheme drawing of the preferred embodiment of integrated reversal of the natural order of things cucurbit of the present utility model;
Fig. 4 is the integrated left side scheme drawing that hangs upside down cucurbit shown in Figure 3;
Fig. 5 is the scheme drawing of the preferred embodiment of integrated reversal of the natural order of things cucurbit of the present utility model when promoting;
Fig. 6 is the left side scheme drawing of the preferred embodiment of integrated reversal of the natural order of things cucurbit shown in Figure 5 when promoting;
Fig. 7 is the scheme drawing of the preferred embodiment of integrated reversal of the natural order of things cucurbit of the present utility model when hook rises to a floor when promoting;
Fig. 8 is the left side scheme drawing of the preferred embodiment of integrated reversal of the natural order of things cucurbit shown in Figure 7 when hook rises to a floor when promoting.
The specific embodiment
Understand for technical characterictic of the present utility model, purpose and effect being had more clearly, now contrast accompanying drawing and describe the specific embodiment of the present utility model in detail.
As shown in Figure 3 and Figure 4, be the integrated scheme drawing that hangs upside down the preferred embodiment of cucurbit of the present utility model, comprise cucurbit body 10 and train thereof, loop chain 20, hook 30 and train thereof, jack device 40 and train thereof, loop chain 20 are osed top whole piece chains, the train of the part of chain on train on the cucurbit body 10 and hook 30 turns to the load-bearing assembly pulley, the train correspondence of another part of chain on train on the jack device 40 and hook 30 turns to the jack assembly pulley, the chain of load-bearing assembly pulley and jack assembly pulley by jack device 40 on train and cucurbit body 10 on train between coiling form loop chain 20.
In the present embodiment, the origin or beginning 21 of chain and tail end 22 are connected in the two ends on the described hook 30 simultaneously respectively, the pulley of load-bearing assembly pulley on described cucurbit body 10 is two 11,12, its middle pulley 11 is the drive wheel of cucurbit body 10, the pulley of jack assembly pulley on described jack device also is two, the load-bearing assembly pulley hook 30 on have pulley 31, the jack assembly pulley hook 30 on have pulley 32.
In the present embodiment, be connected with the lifting thing for convenience, on jack device 40, have telescopic connection structure 41.This connection structure is threaded bar in the present embodiment, can adopt flexible strand in the reality by cooperate the adjustment that realizes distance with nut structure, and for example steel rope etc. is realized the adjustment of distance.
Loop chain 20 in the present embodiment only is schematically with the coiling mode of cucurbit body 10 and train, hook 30 and train thereof, jack device 40 and train thereof, and nonrestrictive.In the practical application, when the origin or beginning of chain and tail end are connected in two ends on the hook simultaneously respectively, the load-bearing assembly pulley the cucurbit body on pulley number and jack assembly pulley the jack device on the pulley number have at least one and quantity to equate, the load-bearing assembly pulley hook on pulley number and jack assembly pulley hook on the pulley number equate, the load-bearing assembly pulley the cucurbit body on the pulley number than the load-bearing assembly pulley hook on the pulley number Duo one.When the origin or beginning of chain is connected on the electric block, when tail end is connected on the jack device, the load-bearing assembly pulley the cucurbit body on pulley number and jack assembly pulley the jack device on the pulley number have at least one and quantity to equate, the load-bearing assembly pulley hook on pulley number and jack assembly pulley hook on the pulley number equate, the load-bearing assembly pulley the cucurbit body on pulley number and load-bearing assembly pulley hook on the pulley number equate.
The number of the pulley of load-bearing wheels and jack wheels only is schematic in the present embodiment, and it is non-limiting, the number of the pulley of load-bearing wheels and jack wheels can be adjusted as required, for example can determine the composition of load-bearing wheels and jack wheels according to the gross weight of equipment and the load-carrying capacity of cucurbit.
How introduce integrated reversal of the natural order of things cucurbit of the present utility model below in conjunction with accompanying drawing works, extremely shown in Figure 8 as Fig. 5, when integrated reversal of the natural order of things cucurbit of the present utility model is used, cucurbit body 10 and train thereof are connected with the bottom of lifting thing 50, jack device 40 and train thereof are connected with the top of lifting thing 50, hook 30 and train thereof are fixing by member and force structure 60, the supporting part chain of the loop chain 20 described in the lifting process constantly shortens, the equity elongation of the jack part chain of cooresponding loop chain 20; After lifting thing 50 puts in place that itself and force structure 60 is fixing, hook 30 and train disengagement thereof are fixing with force structure 60, cucurbit 10 counter-rotatings realize jack, the jack part chain of loop chain 20 promptly constantly shortens, the supporting part chain equity elongation of cooresponding loop chain 20, hook 30 and train thereof move toward a higher hoisting depth, and be after putting in place that it is fixing by member and force structure 60, enters next and promote circulation.Of the present utility model simple in structure, easy to use, can realize self mechanization campaign of lifting means, reduced manual work, improved safety performance, realized automated job, be applicable to the lifting of various light equipments of repeatedly working.
In conjunction with the accompanying drawings embodiment of the present utility model is described above; but the utility model is not limited to the above-mentioned specific embodiment; the above-mentioned specific embodiment only is schematic; rather than it is restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; not breaking away under the scope situation that the utility model aim and claim protect, also can make a lot of forms, these all belong within the protection of the present utility model.