CN207258995U - A kind of new crane cross-shaped rotary suspender - Google Patents

Abstract

It the utility model is related to the rotary hanger on a kind of crane, more particularly, to a kind of new crane cross-shaped rotary suspender, it includes the middle annular girder for making basis, four angles are stretched out equipped with running block respectively, four groups of pulley blocks are connected by steel wire rope with the lifting mechanism on trolley, middle annular girder bottom surface is used to install floating bearing, it is characterised in that：Above-mentioned annular girder is remained silent beam for the box of the outer diamond shape composition of interior annular, and above-mentioned running block is installed respectively at four angles of diamond shape outside the box beam；The web of the annular girder installation running block is the extension of diamond shape web, that is, installing the web of running block and diamond shape web is formed by one piece of whole plate die mould；Novel, unique, the whole suspender operation of the utility model structure is firm, energy-saving, operate steadily, service life is long and safe and reliable.

Description

A kind of new crane cross-shaped rotary suspender

Technical field

The rotary hanger on a kind of crane is the utility model is related to, more particularly, to a kind of new crane cross Rotary hanger.

Background technology

The existing main carrying steel structure body of crossing hanger, is shown in Fig. 1：Centre is a circular ring shape, such as " section shown in I-I " in Fig. 1 Make the meridosternous beam on basis, group is welded and has the box cantilever beam of running block circumference quarter respectively, forms cross four-point lifting The main carrying steel structure body of lower rotary hanger device.Four groups of pulley blocks pass through steel wire rope and the lifting mechanism phase on trolley Even, realize and move up and down.Middle annulus meridosternous beam bottom surface is used to install floating bearing, is hung with realizing to hang under floating bearing The horizontal rotation movement of beam.Circular ring shape meridosternous beam category opening section, it is unstable as the basis of steel structure body, itself poor rigidity Gu.Burn-on the overhanging longer cantilever beam equipped with running block in the local group respectively of circumference quarter point again, it is contemplated that entirety Rigidity can how, still more use when want resistance to electromagnetic force impact and rotation handling during various unpredictable deflections, The external force such as topple.The meridosternous steel structure body poor rigidity of the fixed floating bearing in centre, stress is yielding, can also make floating bearing by Power is uneven, quick abrasion, turns round built on the sand, short life.Exposed device for revolving and driving, is also easily hit and collides with, damaged.

Rotary crossing hanger under existing four-point lifting, is usually used in various factories and miness and goods stock grounds, carries cargo of growing up, and often It is to run without interruption at full capacity, working level is substantially more than A7.When under being used in particular on rotating electromagnetic lifter, often Hot rolled plate or long heavy section need to be transported.Working environment is severe, low visibility, and operating personnel usually do not see Chu ground Concrete condition, inevitably produces during handling and reels.And moment impact powerful during electromagnetic disc work need to be endured, The closely high temperature that firm hot rolling comes out section bar such as burns at the bad working environments.Make the originally poor cross steel structure body of Fig. 1 rigidity, easily become Shape and damage, built on the sand, exposed plus device for revolving and driving, various hidden dangers are more for operation.

Solve the problems, such as that prior art Fig. 1 steel structure body poor rigidities obtain, must be the annular list of middle fixed floating bearing Web beam, which is changed to box, remains silent and cuts section bar, and shortens the extension of cantilever, increases their rigidity and stability, while need to be drive Dynamic device is gone along with sb. to guard him, and is reduced hidden danger and is prolonged the service life.Overhanging cantilever beam and basic annular girder by the part weldering by weld seam The entirety for making to be welded into by steel plate group is connect, so as to eliminate above-mentioned various hidden dangers.Rotary cross under four-point lifting is solved first The problem of suspender steel structure body basis circular ring shape meridosternous beam poor rigidity, change it as double circular ring box type beam such as Fig. 2 with one heart, can be with Driving device is enclosed into, just solves the above problem.But the box cantilever beam of installation running block is still welded in ring by weld seam In the part of shape box beam, stress is all concentrated on that two web weld seams, and security risk still remains.And annular box beam will In driving device is enclosed in, section be compelled to do greatly, as Fig. 2 " II-II " shown in, local strength is excessively rich, waste original Material, structure are too fat to move.The weight of suspender itself is added, the crane of same lifting tonnage, suspender own wt is more heavy, rises The effective lifting capacity hung is fewer, is unfavorable for energy-saving.There is presently no the device for overcoming drawbacks described above.

The content of the invention

The purpose of the utility model is to overcome the deficiencies in the prior art, there is provided a kind of novel, unique, the whole suspender fortune of structure Row is firm, energy-saving, operate steadily, service life is long and a kind of safe and reliable new crane cross-shaped rotary is hung Tool.

The utility model is realized in the following way：

A kind of new crane cross-shaped rotary suspender, it includes the middle annular girder for making basis, and four angles are stretched respectively Go out and running block is housed, four groups of pulley blocks are connected by steel wire rope with the lifting mechanism on trolley, under middle annular girder Bottom surface is used to install floating bearing, it is characterised in that：Above-mentioned annular girder is remained silent beam for the box of the outer diamond shape composition of interior annular, at this Above-mentioned running block is installed respectively at four angles of the outer diamond shape of box beam；

The web of the annular girder installation running block is the extension of diamond shape web, that is, installs web and the water chestnut of running block Shape web is formed by one piece of whole plate die mould.

The utility model has following effect：

1) structure is novel, unique：It includes the middle annular girder for making basis to device provided by the utility model, and four angles are divided Running block Shen Chu be housed, four groups of pulley blocks are connected by steel wire rope with the lifting mechanism on trolley, middle annular Beam bottom surface is used to install floating bearing, it is characterised in that：Above-mentioned annular girder is remained silent beam for the box of the outer diamond shape composition of interior annular, Above-mentioned running block is installed respectively at four angles of diamond shape outside the box beam；The web of annular girder installation running block is The extension of diamond shape web, that is, installing the web of running block and diamond shape web is formed by one piece of whole plate die mould；Middle annular Beam bottom surface is used to install floating bearing, to realize that the horizontal rotation of lower hang device moves.The running block direct-assembling exists On the extension board of the outer diamond shape web of the outer diamond shape box ellbeam of interior annular.The utility model is improved on the basis of Fig. 2, The cylindrical ring structure of Fig. 2 is abandoned, replaces outer toroid with diamond structure, running block is directly placed at four angles of diamond shape, i.e., Fixed pulley group is installed on the extension board of diamond shape web, not only makes the joist support loading capability and rigidity reinforced of installation running block, Eliminate the stress concentration hidden danger by local weld seam power transmission.The area that rotating driving device is placed on annulus with diamond shape impales is larger At Delta Region, both protect driving device, and Fig. 3 " III-III " illustrated sections size can be controlled according to bearing capacity, be cut Face and weight ratio Fig. 2 are reduced much, but the strength and stiffness of steel structure body significantly improve, and quality can also control well.Peace Beam body at dress running block basically forms the beam of uniform strength, and reasonable utilization material, the rigidity and toughness of steel structure body significantly carry Height, eliminates the local weld seam of welding running block beam, makes general safety reliable.Driving device is installed at the angle of diamond shape, both Overall intensity and rigidity are not influenced, and because position is more rich, the affluence that hole above can open, is conducive to driving device Installation and maintenance.

2) whole suspender operation is firm, reduces loss, service life length：Box beam steel structure body provided by the utility model Rigidity is strong to be protected floating bearing, makes floating bearing uniform force, operate steadily well again rich in tough ballistic, is used Long lifespan；The driving members such as driving device provided by the utility model, are placed at the angle of diamond shape, are got up by the maintenance of safety, keep away The impact and injury in the external world are exempted from, have made whole suspender operation firm, reduce loss, service life increase.

4) steel are rationally utilized, reduces unnecessary too fat to move and wastes：Device provided by the utility model is in diamond shape Fixed pulley group is installed, the sponson for making installation running block is in beam of uniform strength structure, whole on the extension board of corner diamond shape web A steel structure body reasonable stress, the big local beam section of stress is with regard to big, and the small ground square section of stress is with regard to small.It is reasonable that steel utilize, Reduce unnecessary too fat to move and waste, economy improves.

5) it is safe and reliable：Device provided by the utility model is installed fixed sliding on the extension board of the corner diamond shape web of diamond shape Wheel group, that is, install the web of fixed pulley group and diamond shape web be made of one piece of plate die moulded, eliminates and comes by local weld seam load transfering strip Hidden danger.

Brief description of the drawings

Fig. 1 is the structure diagram of the prior art；

Fig. 2 is the improved structure diagrams of prior art Fig. 1；

Fig. 3 is the structure diagram of the utility model；

Embodiment

A kind of new crane cross-shaped rotary suspender, it includes the middle annular girder 1 for making basis, and four angles are stretched respectively Go out running block 3 is housed, four groups of pulley blocks 3 are connected by steel wire rope with the lifting mechanism on trolley, middle annular girder 1 Bottom surface is used to install floating bearing, as shown in Figure 3：Above-mentioned annular girder 1 is remained silent beam for the box of the outer diamond shape composition of interior annular, Above-mentioned running block 3 is installed respectively at four angles of the outer diamond shape of the box beam, the annular girder 1 installs the web of running block 3 It is the extension of diamond shape web, that is, installing the web of running block and diamond shape web is formed by one piece of whole plate die mould.

A kind of new crane cross-shaped rotary suspender provided by the utility model, is shown in Fig. 3.It is changing by Fig. 2 Into cylindrical Fig. 2 donuts makes diamond shape into, and four angles extension of diamond shape assembles running block 3 respectively.Eliminate Fig. 2's Box cantilever beam 2.Four groups of pulley blocks 3 are connected by steel wire rope with the lifting mechanism on trolley, and middle annular girder 1 is gone to the bottom Face is used to install floating bearing, and the pulley blocks 3 directly extend support by the diamond shape web of outer layer, form equal strength stress Beam, eliminates the defects of overhanging cantilever beam welding stresses of Fig. 2 structures is all concentrated on that two web weld seams.

This implementation replaces the outer toroid web of Fig. 2 with diamond structure web, and running block is directly installed on four of diamond shape At angle on the extension board of diamond shape web, that is, the web of fixed pulley group is installed and diamond shape web is made of one piece of plate die moulded, herein Steel construction is in the beam of uniform strength.Not only make the joist support loading capability and rigidity reinforced of installation running block, also eliminate Fig. 2 and welded by local Stitch the hidden danger of power transmission.The Delta Region that driving device is placed on interior annular and diamond shape surrounds, has both been gone along with sb. to guard him, " effective control of III-III " illustrated sections of Fig. 3 is not influenced.I.e. economy is secure, and the strength and stiffness of steel structure body Significantly improve, general safety is reliable.Driving device is installed at the angle of diamond shape, neither influences overall intensity and rigidity, and because Affluence more rich for position, that hole above can open, in favor of the installation and maintenance of driving device.

Claims (2)

1. a kind of new crane cross-shaped rotary suspender, it includes the middle annular girder (1) for making basis, and four angles are stretched respectively Go out running block (3) is housed, four groups of pulley blocks (3) are connected by steel wire rope with the lifting mechanism on trolley, middle ring Ellbeam (1) bottom surface is used to install floating bearing, it is characterised in that：The case that above-mentioned annular girder (1) forms for the outer diamond shape of interior annular Type is remained silent beam, and above-mentioned running block (3) is installed respectively at four angles of diamond shape outside the box beam.

A kind of 2. new crane cross-shaped rotary suspender as claimed in claim 1, it is characterised in that：The annular girder (1) web for installing running block (3) is the extension of diamond shape web, that is, it is by one to install the web of running block and diamond shape web Block whole plate die mould forms.