CN104444783A

CN104444783A - Tackle

Info

Publication number: CN104444783A
Application number: CN201410778908.5A
Authority: CN
Inventors: 刘海波; 阎少泉
Original assignee: Taiyuan Heavy Industry Co Ltd
Current assignee: Taiyuan Heavy Industry Co Ltd
Priority date: 2014-12-15
Filing date: 2014-12-15
Publication date: 2015-03-25
Anticipated expiration: 2034-12-15
Also published as: CN104444783B

Abstract

The invention provides a tackle. The tackle comprises a mounting plate, a pulley shaft arranged on the mounting plate, a pulley rotationally arranged on the pulley shaft, and two hooks which are pivoted at two ends of the mounting plate, wherein the tackle can be in a first hoisting state and a second hoisting state when the hooks pivot around the mounting plate, and one of the hooks is used for hoisting when the tackle is in a first hoisting state, and two hooks are used for hoisting when the tackle is in a second hoisting state. According to the tackle with two hooks, two different maximum lifting loads can be acquired due to allocation of the two hooks, and the tackle is two times of the existing tackle in the maximum load capacity under a condition that a large hook is not replaced; compared with the existing tackle, the tackle has reduced purchase cost and reduced dead load, the two different maximum lifting loads can be selected rapidly and conveniently, a part does not need to be replaced, and the operating convenience and the working efficiency are improved.

Description

A kind of coaster

Technical field

The present invention relates to a kind of lifting device, particularly relate to a kind of tackle block.

Background technology

Coaster is a kind of important lifting tool, for lifting and running object.As shown in Figure 1, 2, it comprises pulley 1, adapter plate 2 and a suspension hook 3 to existing coaster, and pulley 1 is arranged at adapter plate 2, and a suspension hook 3 is fixed in one end of adapter plate 2, and the other end arranges fag end attachment point S.Because existing coaster only configures a suspension hook 3, suppose that the rated load weight of this suspension hook 3 is Q, then the Item Weight of this coaster most Beijing South Maxpower Technology Co. Ltd lifting is also Q.When if desired lifting by crane heavier article, this coaster can not meet lifting requirement, can only change the suspension hook that rated load weight is larger.In fact, suspension hook cost is the chief component of coaster cost.The suspension hook weight of a rated load weight 2Q is more much larger than the suspension hook weight sum of 2 rated load weight Q.So significantly will increase purchase cost and coaster deadweight.

Summary of the invention

Based on the problems referred to above, the invention provides a kind of coaster, to reduce manufacturing cost and coaster deadweight.

For reaching above-mentioned purpose, the invention provides a kind of coaster, it comprises: adapter plate; Sheave shaft, it is arranged on adapter plate; Pulley, is rotatingly arranged on sheave shaft; And two suspension hooks, the two ends being arranged at adapter plate of its pivotable; Wherein, by making suspension hook around adapter plate pivotable, making coaster have the first and second lifting states, under the first lifting state, lifting by crane with one of them suspension hook; Under the second lifting state, lift by crane with two suspension hooks.

The present invention is compared to the beneficial effect of prior art: the coaster with two suspension hooks of the present invention can obtain the load-bearing of two kinds of different biggest lifting capacities by the configuration changing suspension hook, when not changing large suspension hook, reach the effect doubling existing coaster maximum capacity, compared with existing coaster, purchase cost and coaster deadweight can be reduced, and can select fast, easily between the load-bearing of two kinds of different biggest lifting capacities, without the need to changing parts, improve operation ease and work efficiency.

Accompanying drawing explanation

Fig. 1 is the front view of existing coaster.

Fig. 2 is the lateral plan of existing coaster.

Fig. 3 is the front view of coaster of the present invention.

Fig. 4 is the lateral plan of coaster of the present invention.

Fig. 5 is the partial enlarged drawing of part A in Fig. 4.

Fig. 6 is another lifting view of coaster of the present invention.

Fig. 7 is the schematic diagram that coaster according to the present invention lifts by crane with a kind of lifting method.

Fig. 8 is the schematic diagram that coaster according to the present invention lifts by crane with another kind of lifting method.

Detailed description of the invention

More fully example embodiment is described referring now to accompanying drawing.But example embodiment can be implemented in a variety of forms, and should not be understood to be limited to embodiment set forth herein; On the contrary, provide these embodiments to make the present invention more comprehensively with complete, and the design of example embodiment is conveyed to those skilled in the art all sidedly.In the drawings, in order to clear, may be exaggerated the thickness of region and layer.Reference numeral identical in the drawings represents same or similar structure, thus will omit their detailed description.

In addition, described feature, structure or characteristic can be combined in one or more embodiment in any suitable manner.In the following description, provide many details thus provide fully understanding embodiments of the invention.But, one of skill in the art will appreciate that and can put into practice technical scheme of the present invention and not have in described specific detail one or more, or other method, constituent element, material etc. can be adopted.In other cases, known features, material or operation is not shown specifically or describes to avoid fuzzy major technique intention of the present invention.

With reference to shown in Fig. 3-5, the invention provides a kind of coaster, it comprises adapter plate 20, sheave shaft 10, pulley 30 and two suspension hooks 40.Adapter plate 20 is as installation foundation, and sheave shaft 10 is arranged on adapter plate 20, and pulley 30 is rotating to be arranged on sheave shaft 10, and the two ends being arranged at adapter plate 20 of two suspension hook 40 pivotables, realize 360 degree and freely turn round.Wherein, by making suspension hook 40 around adapter plate 20 pivotable, making coaster have the first and second lifting states, as shown in Figure 7, under the first lifting state, is lift by crane with one of them suspension hook 40; As shown in Figure 8, under the second lifting state, be jointly lift by crane with two suspension hooks 40.

Be specially, shackle hook 40, make one of them suspension hook 40 straight down, be i.e. state as shown in Figure 3, with bearing article, straight up, this suspension hook 40 can be provided with fag end fixed part S to another suspension hook 40, and it is poroid, to be connected with one end of steel rope L.The quantity of pulley 30 is such as 3.The rated load weight Q of each suspension hook 40.Wear around steel rope L by mode shown in Fig. 7, fag end is fixed on fag end attachment point S that upper hooks 40 arranges.Visible, have three steel ropes between coaster and main frame 100, namely multiplying power is 3.Every root steel rope maximum pull is Q/3 (not considering the impact of friction factor, rear same).

Under the second lifting state, shackle hook 40, makes two suspension hooks 40 all straight down, be positioned at the homonymy of adapter plate 20, i.e. state as shown in Figure 6, with bearing article, and wear around steel rope L by mode shown in Fig. 8, fag end is fixed on the attachment point S ' of main frame setting.Visible, have six roots of sensation steel rope between coaster and main frame, namely multiplying power is 6.Every root steel rope maximum pull is also Q/3.Due to the rated load weight Q of each suspension hook 40, therefore, under this state, the biggest lifting capacity of coaster is 2Q, is 2 times of the biggest lifting capacity of the first lifting state.

Be to be understood that, the quantity that steel rope shown in Fig. 7,8 is worn around mode and pulley is only exemplary illustration, and those skilled in the art can change according to actual needs, such as, the present embodiment illustrates to arrange 3 pulleys, but is in fact not limited to configuration 3 pulleys.Such as, 4,5,6 can be configured.When rated load weight is identical, multiplying power is larger, and every root steel rope is stressed less.

Visible, the coaster with two suspension hooks of the present invention can obtain the load-bearing of two kinds of different biggest lifting capacities by the configuration changing suspension hook, when not changing large suspension hook, reach the effect doubling existing coaster maximum capacity, compared with existing coaster, purchase cost and coaster deadweight can be reduced, and can select fast, easily between the load-bearing of two kinds of different biggest lifting capacities, without the need to changing parts, improve operation ease and work efficiency.

Below the pulley structure of the present embodiment is described in detail.

As shown in Figure 4, the quantity of adapter plate 20 is two, and two adapter plates 20 are oppositely arranged, and sheave shaft 10 and pulley 30 are arranged between two adapter plates 20.Between two adapter plates 20, rotatingly respectively in the two ends of adapter plate 20 be provided with a lifting beam with hook 50, each lifting beam with hook 50 is connected with thrust baring 60, and suspension hook 40 is through lifting beam with hook 50 and thrust baring 60, and improve Acme thread with hook nut 70 and fix, thus be connected with thrust baring 60.Sheave shaft 10 is arranged at the center of adapter plate 20, and two suspension hooks 40 are symmetrical arranged relative to sheave shaft 10, and under the first lifting state, two suspension hooks 40 are positioned at the both sides of adapter plate 20; Under the second lifting state, two suspension hooks 40 are positioned at the homonymy of adapter plate 20.

The afterbody of at least one suspension hook 40 is provided with fag end fixed part S, and in the present embodiment, two suspension hooks 40 all have fag end fixed part S.

In the present embodiment, two suspension hooks 40 can have double shackle, and namely each suspension hook has two hangers for lifting.Such as, but be in fact not limited thereto, can have double shackle by one of them suspension hook 40, another configures single hanger, or two suspension hooks 40 all configure single hanger.

Although exemplary embodiment describe the present invention with reference to several, should be appreciated that term used illustrates and exemplary and nonrestrictive term.Spirit or the essence of invention is not departed from because the present invention can specifically implement in a variety of forms, so be to be understood that, above-described embodiment is not limited to any aforesaid details, and explain widely in the spirit and scope that should limit in claim of enclosing, therefore fall into whole change in claim or its equivalent scope and remodeling and all should be claim of enclosing and contained.

Claims

1. a coaster, it comprises:

Adapter plate;

Sheave shaft, it is arranged on adapter plate;

Pulley, is rotatingly arranged on sheave shaft; And

Two suspension hooks, the two ends being arranged at adapter plate of its pivotable;

Wherein, by making suspension hook around adapter plate pivotable, making coaster have the first and second lifting states, under the first lifting state, lifting by crane with one of them suspension hook; Under the second lifting state, lift by crane with two suspension hooks.

2. coaster as claimed in claim 1, wherein, the quantity of adapter plate is two, and two adapter plates are oppositely arranged, and sheave shaft and pulley are arranged between two adapter plates.

3. coaster as claimed in claim 2, wherein, between two adapter plates, rotatingly respectively in the two ends of adapter plate be provided with a lifting beam with hook, each lifting beam with hook is connected with thrust baring, and suspension hook through lifting beam with hook and thrust baring, and is connected with thrust baring by hook nut.

4. coaster as claimed in claim 1, wherein, sheave shaft is arranged at the center of adapter plate, and two suspension hooks are symmetrical arranged relative to sheave shaft, and under the first lifting state, two suspension hooks are positioned at the both sides of adapter plate; Under the second lifting state, two suspension hooks are positioned at the homonymy of adapter plate.

5. coaster as claimed in claim 1, wherein, the afterbody of at least one suspension hook is provided with fag end fixed part.

6. coaster as claimed in claim 1, wherein, at least one suspension hook has double shackle.

7. coaster as claimed in claim 1, wherein, at least one suspension hook has single hanger.

8. coaster as claimed in claim 1, wherein, the quantity of pulley is multiple.

9. the coaster according to any one of claim 1 to 8, wherein, the rated load weight of two suspension hooks is identical, and the biggest lifting capacity of the second lifting state is the twice of the biggest lifting capacity of the first lifting state.