CN107572415A

CN107572415A - It is a kind of to pull driving and the bridge-type cantilever crane with safety hook

Info

Publication number: CN107572415A
Application number: CN201610519731.6A
Authority: CN
Inventors: 黄滨; 林霞
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-07-04
Filing date: 2016-07-04
Publication date: 2018-01-12

Abstract

This application discloses a kind of bridge-type cantilever crane for pulling and driving and with safety hook, including two end carriages, two girders, and it forms double girder bridge structure；It is provided between two end carriages and pulls cart running gear；End carriage both ends are designed with that safety hook is counter to tumble；Two girder overcentres are fixedly connected with a Liang Tai；Beam platform center is provided with rotating mechanism；Suspension rod axle lower end in rotating mechanism is connected with cantilever member；Cantilever member includes cantilever beam, Holder for hanging household utensiles, brace；Connecting hole and keyway are provided with above Holder for hanging household utensiles, lower section is provided with operation window；Cantilever beam one end is welded on below Holder for hanging household utensiles, brace is welded between the other end and Holder for hanging household utensiles of cantilever beam and forms triangular structure；Cantilever beam is made up of I-steel or H profile steel；Connection pulls sport car on cantilever beam；Pull suspension under sport car and pull ring-chain hoist；Cantilever beam, which is under two girders, can stretch out workshop operation outdoors, and can rotate.

Description

It is a kind of to pull driving and the bridge-type cantilever crane with safety hook

Technical field

The application is related to crane field, more particularly to it is a kind of pull driving and the bridge-type cantilever crane with safety hook.

Background technology

Existing bridge crane is applied in Workshop, the product and raw material in workshop be required for Real-Time Transport to next door workshop or Other departments；The suspension hook of crane on workshop is hung from dolly carries out lifting goods, and dolly can only be double along crane Beam is run back and forth, and crane can only be run back and forth along the cart track on the end bay post of workshop two, and such crane hook can be hung Within the plane that the two-end-point of the two cart tracks in workshop is surrounded, be in the goods of this horizontal edge needs the goods scope of dress When lifting, suspension hook just produces oblique pull, then cannot be hung from the article (such as workshop outdoors, across outer) of far point outside this plane Fill, can only now be transported by other transporting equipments, generally drive workshop into by automobile carries out lifting goods under suspension hook, has Car is opened laterally lays track without coming between this workshop and next door workshop, allows trolley special to reach suspension hook and gets off to join goods, Some sets up a special cantilever crane in workshop doorway (or workshop passageway), and scheduling is transported through to the goods outside workshop, first Goods is lifted up into the place that this workshop crane suspension hook is got at, it is then by crane that this goods handling is other to workshop again Station, the existing bridge crane used under this operating mode, can not directly join goods with next door workshop, must be by other transports Equipment scheduling operation, it is quite inconvenient to bring, and also produces manpower and materials and wastes；Some grain depots and the explosion-proof workshop of industry having are hung Filling the crane requirement used in article electrically has explosion prevention function, it is necessary to which fire-proof motor, explosion-proof electric block cost are very high, especially It is that tonnage is little, big using anti-explosion electric lifting speculative investment using the not high place of working level, maintenance cost is high；Also Workshop does not provide electric power, carries out Articles transfer by fork truck or manpower, labor intensity is excessive.

The content of the invention

The application purpose, which is to provide, a kind of to be pulled driving and the bridge-type cantilever crane with safety hook, the crane and can not have Have and used under the explosion-proof environment for being used under electric power environmental or electrical equipment mustn't being used；The crane can not only be made in this workshop Industry, moreover it is possible to which place is directly lifted by crane or discharge goods outdoors in this workshop in cart running track direction, it is not necessary to set by other transports Standby transshipment cargo, this crane are not tumbled.

To reach above-mentioned purpose, the application is realized using following technology：

A kind of to pull driving and the bridge-type cantilever crane with safety hook, including two end carriages, 1, two girder 2, it forms twin beams Portal structure；It is characterized in that：It is provided between two described end carriages and pulls cart running gear 8；Two described end carriages two End is designed with safety hook 11；Two girders 2 overcentre is fixedly connected with a beam platform 3；The beam platform center is provided with rotation Mechanism 4；Suspension rod axle 42 in the rotating mechanism, which is provided with rolling bearing 46, to be rotated, and its lower end connects with cantilever member 5 Connect, and there is stop nut 9 to fasten；Described cantilever member 5 includes cantilever beam 51, Holder for hanging household utensiles 52, brace 53；It is described Connecting hole 521 is set above Holder for hanging household utensiles, keyway 522 is provided with described connecting hole；Operation window 523 is provided with below the Holder for hanging household utensiles； One end of the cantilever beam 51 is welded on below the Holder for hanging household utensiles, is welded between the other end and Holder for hanging household utensiles of the cantilever beam above-mentioned Brace 53 forms triangular structure；The cantilever beam is made up of I-steel or H profile steel；It is connected on the cantilever beam with drive Dynamic chain 61 pulls sport car 6；It is described to pull under sport car suspension and pull ring-chain hoist 7；The cantilever beam is in two masters Workshop operation outdoors can be stretched out under beam, and can be rotated.

Wherein, the described cart running gear 8 that pulls includes driving wheel 82, follower 81, sprocket wheel 83, chain 84, two The follower 81 is separately mounted to one end of two end carriages 1；Driving wheel 82 described in two is separately mounted to two ends The other end of beam, a side flange of the driving wheel are provided with gear；The driving wheel is connected with the external toothing of gear shaft 85；Two The gear shaft is connected by power transmission shaft 86 and sprocket wheel 83 respectively；The sprocket wheel both sides are connected to bearing block and support frame 87 On, support frame as described above is fixed on girder 2；Described sprocket wheel connects a chain 84 closed at both ends.

Wherein, described chain 84 is annular welds chain link.

Wherein, described cantilever member 5 is connected on the suspension rod axle 42 of rotating mechanism by flat key 49 and stop nut 9；Institute State the through hole 422 that the lower end of suspension rod axle 42 is provided through diameter；Described stop nut and suspension rod axle is connected with bolt 99 again, And the bolt 99 passes through the diameter of stop nut and suspension rod axle.

Wherein, described stop nut 9 is cylindric that its center is provided with screw thread 91, and described stop nut external diameter opens up one Through hole 92, multiple blind holes 93 are also opened up on described stop nut external diameter it is used to inserting lever and be easy to rotation process.

Wherein, described safety hook 11 includes hooking seat 111, hooks body 112；The hook seat is provided with mounting hole 1111 and is used to connect On end carriage；Above-mentioned hook body is provided with eave tile 1121；The hook body is welded on the hook seat, and hooks seat vertically；Institute The eave tile 1121 stated is connected with the lower surface gap of the Ji edge of 12 upper cover plate of cart support rail beam 121.

The beneficial effect of the application is：

The crane of the application can under no electric power environmental or mustn't use electrical equipment explosion-proof environment under use, novelty can Lean on；Because the cantilever beam of the application is arranged at below girder, cantilever beam can be directly stretched out between crane locomotive to outdoors or to next door Workshop directly lifts goods；The lifting or decentralization goods for pulling ring-chain hoist (7) are entered by the pulling function for pulling chain (71) Row operation；By pulling the drive chain (61) pulled on sport car (6), the sprocket wheel and vehicle wheel rotation pulled on sport car is drive, Pull sport car so as to drive and moved back and forth along cantilever beam orbit；Drive chain (61) or the oblique pull in sport car are pulled by oblique pull Pull in ring-chain hoist pull chain (71) can make cantilever beam rotate and can random angle rotation；Cart fortune is pulled by pulling Chain (84) during luggage is put can drive whole crane to be run back and forth along train track；Can by above-mentioned integrated motion, As cart run, cantilever beam rotate, pull sport car motion, ring-chain hoist hook lifting, just can object by pull driving from Handling is local to workshop domestic demand outdoors, and other hoisting facilities can need not be borrowed when joining with goods outside workshop.

The Liang Tai (3) of this crane is fixed on motionless on girder, is suitable for narrow workshop, with next door workshop or workshop outdoors Need not can be borrowed during goods handing-over the transhipment of other crane gears, improve efficiency, it is cost-effective to reduce equipment；The application is hanged After arm member and suspension rod axis connection, then connected with suspension rod axle thread by stop nut, and there is bolt (99) to pass through stop nut Connected with the diameter of suspension rod axle, avoid stop nut from loosening, securely and reliably, the blind hole on stop nut can facilitate lever to insert Enter, it is light to pull nut, easy disassembly and maintenance.

Brace (53) and cantilever beam and Holder for hanging household utensiles composition triangular structure in the application cantilever member, make cantilever member rigidity By force, stability is good, load-carrying is big, with material it is few the advantages that.

End carriage both sides in the application crane all set safety hook (11), crane can be avoided to tumble, and ensure safety；Work as cantilever When beam overloads, for end carriage while upwarping, now the eave tile of safety hook can catch on the upper cover plate Ji edge of cart support rail beam (12), avoid Crane is tumbled, and ensures safety；When crane tumbles trend, safety hook works, by swinging cantilever beam or mobile hand The position of draw ring chain block, change position of the center of gravity of goods in crane, so as to recover the normal work of crane, do not tumble.

Rolling bearing is connected between bearing block and suspension rod axle in the application rotating mechanism, so as to ensure that hinged cantilever component is laborsaving.

Brief description of the drawings

Fig. 1 is the application structural front view；

Fig. 2 is Fig. 1 side view；

Fig. 3 is Fig. 1 top view；

Fig. 4 is F partial enlarged drawings in Fig. 1；

Fig. 5 is stop nut structural representation in the application；

Fig. 6 is safety hook structural representation in the application.

Embodiment

In conjunction with accompanying drawing, the application embodiment is described in detail：

As shown in Figure 1, Figure 2, Figure 3 shows, it is a kind of pull driving and the bridge-type cantilever crane with safety hook, including two end carriages 1, Two girders 2, it forms double girder bridge structure；It is provided between two described end carriages and pulls cart running gear 8；Described two Bar end carriage both ends are designed with safety hook 11；Two girders 2 overcentre is fixedly connected with a beam platform 3；The beam platform center Provided with rotating mechanism 4；Suspension rod axle 42 in the rotating mechanism, which is provided with rolling bearing 46, to be rotated, its lower end and cantilever Component 5 connects, and has stop nut 9 to fasten；Described cantilever member 5 includes cantilever beam 51, Holder for hanging household utensiles 52, brace 53；Connecting hole 521 is set above the Holder for hanging household utensiles, keyway 522 is provided with described connecting hole；Behaviour is provided with below the Holder for hanging household utensiles Make window 523；Be welded on one end of the cantilever beam 51 below the Holder for hanging household utensiles, the other end and Holder for hanging household utensiles of the cantilever beam it Between weld above-mentioned brace 53 and form triangular structure；The cantilever beam is made up of I-steel or H profile steel；Connect on the cantilever beam Then sport car 6 is pulled with drive chain 61；It is described to pull under sport car suspension and pull ring-chain hoist 7；The cantilever beam is in Workshop operation outdoors can be stretched out under two girders, and can be rotated.

The described cart running gear 8 that pulls includes driving wheel 82, follower 81, sprocket wheel 83, chain 84, two quilts Driving wheel 81 is separately mounted to one end of two end carriages 1；Driving wheel 82 described in two is separately mounted to the another of two end carriages One end, a side flange of the driving wheel are provided with gear；The driving wheel is connected with the external toothing of gear shaft 85；Two teeth Wheel shaft is connected by power transmission shaft 86 and sprocket wheel 83 respectively；The sprocket wheel both sides are connected on bearing block and support frame 87, institute Support frame is stated to be fixed on girder 2；Described sprocket wheel connects a chain 84 closed at both ends.

Described chain 84 is annular welds chain link.

As shown in figure 4, described cantilever member 5 is connected to the suspension rod axle 42 of rotating mechanism by flat key 49 and stop nut 9 On；The lower end of suspension rod axle 42 is provided through the through hole 422 of diameter；Described stop nut and suspension rod axle is connected with bolt 99 again Pick up and, and the bolt 99 passes through the diameter of stop nut and suspension rod axle.

As shown in figure 5, described stop nut 9 is cylindric, its center is provided with screw thread 91, and described stop nut external diameter is opened If a through hole 92, multiple blind holes 93 are also opened up on described stop nut external diameter and are easy to rotation process for inserting lever.

As shown in fig. 6, described safety hook 11 includes hooking seat 111, hooks body 112；The hook seat is used provided with mounting hole 1111 In being connected on end carriage；Above-mentioned hook body is provided with eave tile 1121；The hook body is welded on the hook seat, and is hooked seat and be in Vertical Square To；Described eave tile 1121 is connected with the lower surface gap of the Ji edge of 12 upper cover plate of cart support rail beam 121.

Claims

1. a kind of pull driving and the bridge-type cantilever crane with safety hook, including two end carriages (1), two girders (2), its Form double girder bridge structure；It is characterized in that：It is provided between two described end carriages and pulls cart running gear (8)；Described Two end carriage both ends are designed with safety hook (11)；Two girders (2) overcentre is fixedly connected with a Liang Tai (3)；Institute State beam platform center and be provided with rotating mechanism (4)；Suspension rod axle (42) in the rotating mechanism is provided with rolling bearing (46) can be with Rotation, its lower end are connected with cantilever member (5), and have stop nut (9) fastening；Described cantilever member (5) includes outstanding Arm beam (51), Holder for hanging household utensiles (52), brace (53)；Connecting hole (521), described connecting hole are set above the Holder for hanging household utensiles It is interior to be provided with keyway (522)；Operation window (523) is provided with below the Holder for hanging household utensiles；The cantilever is welded on below the Holder for hanging household utensiles One end of beam (51), above-mentioned brace (53) is welded between the other end and Holder for hanging household utensiles of the cantilever beam and forms triangular structure； The cantilever beam is made up of I-steel or H profile steel；It is connected to pull sport car (6) with drive chain (61) on the cantilever beam； It is described to pull under sport car suspension and pull ring-chain hoist (7)；The cantilever beam, which is under two girders, can stretch out workshop outdoors Operation, and can rotate.

2. it is according to claim 1 it is a kind of pull driving and the bridge-type cantilever crane with safety hook, it is characterised in that：Institute State pull cart running gear (8) include driving wheel (82), follower (81), sprocket wheel (83), chain (84), two The follower (81) is separately mounted to one end of two end carriages (1)；Driving wheel (82) described in two is separately mounted to institute The other end of two end carriages is stated, a side flange of the driving wheel is provided with gear；The driving wheel outside gear shaft (85) with nibbling Close connection；Two gear shafts are connected by power transmission shaft (86) and sprocket wheel (83) respectively；The sprocket wheel both sides connection On bearing block and support frame (87), support frame as described above is fixed on girder (2)；Described sprocket wheel connection one is closed at both ends Chain (84).

3. it is according to claim 2 it is a kind of pull driving and the bridge-type cantilever crane with safety hook, it is characterised in that：Institute The chain (84) stated is annular welds chain link.

4. it is according to claim 1 it is a kind of pull driving and the bridge-type cantilever crane with safety hook, it is characterised in that：Institute The cantilever member (5) stated is connected on the suspension rod axle (42) of rotating mechanism by flat key (49) and stop nut (9)；Institute State the through hole (422) that suspension rod axle (42) lower end is provided through diameter；Described stop nut and suspension rod axle use bolt (99) again Connect, and the bolt (99) passes through the diameter of stop nut and suspension rod axle.

5. it is according to claim 1 it is a kind of pull driving and the bridge-type cantilever crane with safety hook, it is characterised in that：Institute The stop nut (9) stated is cylindric, and its center is provided with screw thread (91), and described stop nut external diameter opens up a through hole (92), Multiple blind holes (93) are also opened up on described stop nut external diameter.

6. it is according to claim 1 it is a kind of pull driving and the bridge-type cantilever crane with safety hook, it is characterised in that：Institute The safety hook (11) stated includes hooking seat (111), hooks body (112)；The hook seat is provided with mounting hole (1111)；Above-mentioned hook body Provided with eave tile (1121)；The hook body is welded on the hook seat, and hooks seat vertically；Described eave tile (1121) It is connected with cart support rail beam (12) upper cover plate (121) Ji Yuan lower surface gap.