CN107572411A - A kind of dolly chain drive and the bridge-type cantilever crane with anti-tipple - Google Patents

Abstract

A kind of bridge-type cantilever crane this application discloses dolly chain drive and with anti-tipple, including two end carriages, two girders, it forms double girder bridge structure；It is provided between two described end carriages and pulls cart running gear；The both ends of two end carriages all set anti-tipple；Inverted " u "-shaped track is designed with above two girders；A running trolley is connected between two tracks；Running trolley is provided with chain drive；Running trolley is provided with rotating mechanism；Thrust bearing in the rotating mechanism is connected to above bearing block；Suspension rod axle lower end in the rotating mechanism is connected with cantilever member；One, which is connected, on cantilever beam on the cantilever member pulls sport car；The sport car that pulls can move back and forth along outrigger horizontal；It is described to pull under sport car suspension and pull ring-chain hoist；The cantilever beam is in below two girders and can stretch out operation outside workshop, and can rotate.

Description

A kind of dolly chain drive and the bridge-type cantilever crane with anti-tipple

Technical field

The application is related to crane field, more particularly to a kind of dolly chain drive and the bridge-type cantilever lifting with anti-tipple Machine.

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 is to provide a kind of dolly chain drive and the bridge-type cantilever crane with anti-tipple, the crane It can use or mustn't use under no electric power environmental and be used under the explosion-proof environment of electrical equipment；The crane not only can be at this Operation in workshop, moreover it is possible to which this workshop of unloading, also can be in cart across the goods in outer next door place directly below by cart support rail beam This workshop in running track direction direct unloading goods in place outdoors, it is not necessary to transport, do not tumble by other transporting equipments.

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

A kind of dolly chain drive and the bridge-type cantilever crane with anti-tipple, including two end carriages, 1, two girder 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 The both ends of end carriage all set anti-tipple 6；The top of two girders 2 is designed with inverted " u "-shaped track 21, and track opening On the inside of towards girder；A running trolley 3 is connected between two tracks 21；Wheel 31 on the running trolley is bushed in Run on the track；The running trolley is provided with chain drive 7；The running trolley is provided with rotating mechanism 4；It is described Thrust bearing in rotating mechanism is connected to above bearing block；The lower end of suspension rod axle 42 in the rotating mechanism connects with cantilever member 5 Connect；One is connected on cantilever beam 51 on the cantilever member and pulls sport car 9 with drive chain 91；It is described to pull sport car It can be moved back and forth along outrigger horizontal；It is described to pull under sport car suspension and pull ring-chain hoist 200；The cantilever beam is in described Below two girders and operation outside workshop can be stretched out, and can be rotated.

Wherein, described chain drive 7 include two roller chains, 71, two sprocket wheel A72, two sprocket wheel B73, two 74, chain pulleys 75 of strainer；The end A 711 of the roller chain 71 is fixed on the side of running trolley 3, described Roller chain winds sprocket wheel B73 again after being wrapped over above-mentioned sprocket wheel A72, and the another side termination B712 of the roller chain 71 is fixed on fortune The opposite side of row dolly 3；The roller chain has bracket 76, and the bracket is fixed on the inner side of girder 2；Above-mentioned sprocket wheel A72 It is connected on strainer 74；Two studs 741 and bearing 742 are provided with the strainer, the bearing is fixed on end On beam 1；Above-mentioned two sprocket wheel B73 is connected on power transmission shaft 77；The power transmission shaft is fixed on girder by bearing block；Institute State power transmission shaft and be also connected with gear wheel 78, the gear wheel engages connection with little gear 79；The little gear by connecting shaft with it is upper The chain pulley 75 stated connects；A pitch chain 710 closed at both ends is connected on the chain pulley.

Wherein, described anti-tipple 6 includes horizontal wheels 61, wheel shaft 62, bearing 63, the horizontal wheels on one side with wheel rim, And wheel rim is installed down；Two horizontal wheels are separately positioned on the both sides of the tread of track 601, and gap coordinates；The horizontal wheels It is connected by bearing 64, shaft retaining ring 65, hole back-up ring 66 with the wheel shaft 62；Two wheel shafts pass through locking plate 67 respectively Be bolted on above-mentioned bearing 63；Connection buffer 68 among the bearing；The bearing is provided with end carriage connecting hole 69 For being connected with end carriage.

Wherein, the rotating mechanism 4 includes bearing block 41, suspension rod axle 42；The bearing block 41 is fixedly connected on running trolley On 3；The lower end branch sleeve 43 of the inner hole of bearing seat；The middle part of the suspension rod axle 42 is provided with the shaft shoulder 425, under the suspension rod axle Portion is provided with keyway and screw thread, and the termination of the screw thread opens up locking breach 421；The suspension rod axle is through the center of bearing block 41 with pushing away Power bearing 45 connects；The thrust bearing is connected to the top of bearing block, and stop nut 44 is reconnected on thrust bearing；It is described Stop nut band dust cover 441, stop nut is connected with suspension rod axle thread, and passes through stop nut and suspension rod axle by bolt 46 Diameter connect.

Wherein, described cantilever member 5 includes cantilever beam 51, Holder for hanging household utensiles 52, brace 53；The Holder for hanging household utensiles top is set One connecting hole 521, described connecting hole is interior to be provided with keyway 522；The Holder for hanging household utensiles bottom is provided with operation window 523；The hanging Seat 52 lower weld in the cantilever beam 51) one end, welded between the other end and Holder for hanging household utensiles of the cantilever beam it is above-mentioned tiltedly Pull bar 53 forms triangular structure；The cantilever beam is made up of I-steel or H profile steel；The cantilever beam both ends are both provided with spacing Device 511.

Wherein, described cantilever member 5 is connected on the suspension rod axle 42 of rotating mechanism by flat key 49 and cylindrical nut 100； Described cylindrical nut and suspension rod shaft end head is connected by bolt and locking plate 110 again.

Wherein, described cylindrical nut 100 is cylinder, and its center is provided with screw thread 101；On described cylindrical nut end face Provided with locking groove 102, two screws 103 are opened up on the locking groove, multiple blind holes 104 are also opened up on the cylindrical nut external diameter.

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.

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 (200) are made by the pulling for pulling chain (201) With being operated；By pulling the drive chain (91) pulled on sport car (9), the sprocket wheel and wheel pulled on sport car drive Rotate, pull sport car so as to drive and moved back and forth along cantilever beam orbit；The drive chain (91) in sport car is pulled by oblique pull Or in oblique pull hand draw ring chain block pull chain (201) can make cantilever beam rotate and can random angle rotation；Pulled by pulling Chain (84) in cart running gear can drive whole crane to be run back and forth along train track；Above-mentioned synthesis can be passed through Motion, such as cart operation, cantilever beam rotates, and pulls sport car motion, ring-chain hoist hook lifting, running trolley motion, with regard to energy Object by pull driving from outdoors or the handling of next door workshop to workshop domestic demand will place, with the next door workshop of workshop surrounding or Workshop can need not borrow the transhipment of other transporting equipments when carrying out goods handing-over outdoors, convenient working, it is cost-effective reduce equipment.

In the case where manually pulling chain (710) effect, running trolley can be run running trolley along girder both ends in the application, be adapted to Large span workshop operation；Chain drive, stable non-slip efficiency high.

The chain drive of trolley travelling sets two sets of roller chains in the application, can also be with a set of roller chain but not as two Set is stable；Strainer (74) in chain drive is provided with two studs (741) and bearing is threadedly coupled, two spiral shells Post position is stable, and sprocket wheel is not overturn；The elastic of chain can be adjusted by the nut in regulation stud；Bracket under chain can be kept away It is seriously sagging to exempt from chain；A pair of large and small gear drives are set in chain drive, decelerating effect is played, pulling force can be mitigated, especially It is adapted to the big running trolley of tonnage.

Track above the application middle girder uses inverted " u "-shaped track, and the wheel of running trolley is bushing to be run in orbit, so Structure can effectively play anti-roll-over action to running trolley.

Anti- tipple (6) in the application crane is arranged on two of end carriage, it is ensured that rail, water are not gnawed in crane operation Flat wheel can keep crane wheel to be run along orbit centre；Horizontal wheels in anti-tipple carry wheel rim, can play " safety Hook " effect, may be because of cantilever beam load exceedance, crane end carriage is while upwarp, and now the wheel rim of horizontal wheels catches on running track, Avoid crane from tumbling, ensure safety；It can be rotated in the same old way while horizontal wheels catch on track, crane can be run in the same old way before Enter.

Brace and cantilever beam and Holder for hanging household utensiles composition triangular structure in the application cantilever member, make cantilever member rigidity strong, steady The advantages that qualitative good, load-carrying is big.

Bearing block and suspension rod axis connection in the application rotating mechanism bear lifting power by thrust bearing, and thrust bearing is arranged on bearing Seat top, is easy to dismounting to safeguard；The inner hole structure of bearing block is simply easy to process；Sleeve (43) is that high-abrasive material makees sliding axle Use is held, reduces the fit clearance of suspension rod axle, increases rotational stabilization and axiality, cantilever member rotates laborsaving；Stop nut Band dust cover (441) gives thrust bearing proofing dust and protecting, while can seal the butter in thrust bearing；Stop nut and suspension rod axis connection Afterwards, then the connection by bolt (46), anti-loose effect is played, ensures rotating mechanism safety.

After the application cantilever member and suspension rod axis connection, then connect with suspension rod axle thread by cylindrical nut, and by locking plate and Suspension rod axis connection, avoids cylindrical nut from loosening, securely and reliably；Blind hole on cylindrical nut can facilitate lever to insert, and pull nut Easily, easy disassembly and maintenance.

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 (rotating mechanism) in Fig. 1；

Fig. 5 is E direction views in Fig. 4；

Fig. 6 is cylindrical nut structural representation in the application；

Fig. 7 is anti-tipple front view in the application；

Fig. 8 is Fig. 7 side views；

Fig. 9 is cantilever member 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, a kind of dolly chain drive and the bridge-type cantilever crane with anti-tipple, including two 1, two girder 2 of bar end carriage, it forms double girder bridge structure；It is characterized in that：It is provided with and is pulled greatly between two described end carriages Car running gear 8；The both ends of two end carriages all set anti-tipple 6；The top of two girders 2 is designed with inverted " u " Shape track 21, and track opening is towards on the inside of girder；A running trolley 3 is connected between two tracks 21；The operation is small Wheel 31 on car is bushing to be run on the track；The running trolley is provided with chain drive 7；On the running trolley Provided with rotating mechanism 4；Thrust bearing in the rotating mechanism is connected to above bearing block；Suspension rod axle in the rotating mechanism 42 lower ends are connected with cantilever member 5；Pulling with drive chain 91 is connected on cantilever beam 51 on the cantilever member Sport car 9；The sport car that pulls can move back and forth along outrigger horizontal；It is described to pull under sport car suspension and pull ring-chain hoist 200； The cantilever beam is in below two girders and can stretch out operation outside workshop, and can rotate.

Described chain drive 7 includes two roller chains, 71, two sprocket wheel A72, two sprocket wheel B73, two tensioning devices 74, chain pulleys 75 of structure；The end A 711 of the roller chain 71 is fixed on the side of running trolley 3, the roller chain Sprocket wheel B73 is wound again after being wrapped over above-mentioned sprocket wheel A72, and the another side termination B712 of the roller chain 71 is fixed on running trolley 3 Opposite side；The roller chain has bracket 76, and the bracket is fixed on the inner side of girder 2；Above-mentioned sprocket wheel A72, which is connected to, to be opened In tight mechanism 74；Two studs 741 and bearing 742 are provided with the strainer, the bearing is fixed on end carriage 1； Above-mentioned two sprocket wheel B73 is connected on power transmission shaft 77；The power transmission shaft is fixed on girder by bearing block；The power transmission shaft Gear wheel 78 is also connected with, the gear wheel engages connection with little gear 79；The little gear passes through connecting shaft and above-mentioned chain Pulley 75 connects；A pitch chain 710 closed at both ends is connected on the chain pulley.

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.

As shown in Figure 4, Figure 5, the rotating mechanism 4 includes bearing block 41, suspension rod axle 42；The bearing block 41, which is fixed, to be connected It is connected on running trolley 3；The lower end branch sleeve 43 of the inner hole of bearing seat；The middle part of suspension rod axle 42 is provided with the shaft shoulder 425, The suspension rod axle bottom is provided with keyway and screw thread, and the termination of the screw thread opens up locking breach 421；The suspension rod axle passes through bearing 41 centers of seat are connected with thrust bearing 45；The thrust bearing is connected to the top of bearing block, is reconnected on thrust bearing locking Nut 44；Stop nut band dust cover 441, stop nut are connected with suspension rod axle thread, and are passed through by bolt 46 locking The diameter of nut and suspension rod axle connects.

Described cantilever member 5 is connected on the suspension rod axle 42 of rotating mechanism by flat key 49 and cylindrical nut 100；Described Cylindrical nut and suspension rod shaft end head are connected by bolt and locking plate 110 again.

As shown in fig. 6, described cylindrical nut 100 is cylinder, its center is provided with screw thread 101；Described cylindrical nut one End face is provided with locking groove 102, and two screws 103 are opened up on the locking groove, are also opened up on the cylindrical nut external diameter multiple blind Hole 104.

As shown in Figure 7, Figure 8, described anti-tipple 6 includes horizontal wheels 61, wheel shaft 62, bearing 63, the horizontal wheels While band wheel rim, and wheel rim is installed down；Two horizontal wheels are separately positioned on the both sides of the tread of track 601, and gap coordinates； The horizontal wheels are connected by bearing 64, shaft retaining ring 65, hole back-up ring 66 with the wheel shaft 62；Two wheel shafts pass through respectively Locking plate 67 and it is bolted on above-mentioned bearing 63；Connection buffer 68 among the bearing；The bearing is provided with end carriage Connecting hole 69 is used to be connected with end carriage.

As shown in figure 9, described cantilever member 5 includes cantilever beam 51, Holder for hanging household utensiles 52, brace 53；On the Holder for hanging household utensiles Portion sets a connecting hole 521, and keyway 522 is provided with described connecting hole；The Holder for hanging household utensiles bottom is provided with operation window 523；Institute The lower weld of Holder for hanging household utensiles 52 is stated in the cantilever beam 51) one end, 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；The cantilever beam both ends are all set Limited location device 511.

Claims (8)

1. a kind of dolly chain drive and the bridge-type cantilever crane with anti-tipple, including two end carriages (1), two girders (2), it forms double girder bridge structure；It is characterized in that：It is provided between two described end carriages and pulls cart running gear (8)； The both ends of two end carriages all set anti-tipple (6)；Inverted " u "-shaped track is designed with above two girders (2) (21), and track opening is towards on the inside of girder；A running trolley (3) is connected between two tracks (21)；The operation Wheel (31) on dolly is bushing to be run on the track；The running trolley is provided with chain drive (7)；The fortune Row dolly is provided with rotating mechanism (4)；Thrust bearing in the rotating mechanism is connected to above bearing block；The rotating mechanism In suspension rod axle (42) lower end be connected with cantilever member (5)；A band is connected on cantilever beam (51) on the cantilever member Have drive chain (91) pulls sport car (9)；The sport car that pulls can move back and forth along outrigger horizontal；It is described to pull race Suspension pulls ring-chain hoist (200) under car；The cantilever beam is in below two girders and can stretch out operation outside workshop, and Can rotation.

2. a kind of dolly chain drive according to claim 1 and the bridge-type cantilever crane with anti-tipple, its feature It is：Described chain drive (7) include two roller chains (71), two sprocket wheel A (72), two sprocket wheel B (73), Two strainers (74), a chain pulley (75)；It is small that the end A (711) of the roller chain (71) is fixed on operation The side of car (3), the roller chain wind sprocket wheel B (73), the roller chain (71) again after being wrapped over above-mentioned sprocket wheel A (72) Another side termination B (712) be fixed on the opposite sides of running trolley (3)；The roller chain has bracket (76), described Bracket is fixed on the inside of girder (2)；Above-mentioned sprocket wheel A (72) is connected on strainer (74)；Set on the strainer Two studs (741) and bearing (742) are equipped with, the bearing is fixed on end carriage (1)；Above-mentioned two sprocket wheel B (73) All it is connected on power transmission shaft (77)；The power transmission shaft is fixed on girder by bearing block；The power transmission shaft is also connected with gear wheel (78), the gear wheel engages connection with little gear (79)；The little gear passes through connecting shaft and above-mentioned chain pulley (75) Connection；A pitch chain (710) closed at both ends is connected on the chain pulley.

3. a kind of dolly chain drive according to claim 1 and the bridge-type cantilever crane with anti-tipple, its feature It is：Described anti-tipple (6) includes horizontal wheels (61), wheel shaft (62), bearing (63), and the horizontal wheels are on one side Band wheel rim, and wheel rim is installed down；Two horizontal wheels are separately positioned on the both sides of track (601) tread, and gap coordinates； The horizontal wheels are connected by bearing (64), shaft retaining ring (65), hole back-up ring (66) with the wheel shaft (62)；Described in two Wheel shaft by locking plate (67) and is bolted on above-mentioned bearing (63) respectively；Connection buffer (68) among the bearing； The bearing is provided with end carriage connecting hole (69).

4. a kind of dolly chain drive according to claim 1 and the bridge-type cantilever crane with anti-tipple, its feature It is：The rotating mechanism (4) includes bearing block (41), suspension rod axle (42)；The bearing block (41) is fixedly connected on fortune On row dolly (3)；The lower end branch sleeve (43) of the inner hole of bearing seat；The shaft shoulder (425) is provided with the middle part of the suspension rod axle (42), The suspension rod axle bottom is provided with keyway and screw thread, and the termination of the screw thread opens up locking breach (421)；The suspension rod axle passes through axle Bearing (41) center is connected with thrust bearing (45)；The thrust bearing is connected to the top of bearing block, on thrust bearing again Connection anti-loose nut (44)；The stop nut band dust cover (441), stop nut is connected with suspension rod axle thread, and passes through spiral shell The diameter of bolt (46) through stop nut and suspension rod axle connects.

5. a kind of dolly chain drive according to claim 1 and the bridge-type cantilever crane with anti-tipple, its feature It is：Described cantilever member (5) includes cantilever beam (51), Holder for hanging household utensiles (52), brace (53)；On the Holder for hanging household utensiles Portion sets a connecting hole (521), and keyway (522) is provided with described connecting hole；The Holder for hanging household utensiles bottom is provided with operation window (523)； The lower weld of the Holder for hanging household utensiles (52) in one end of the cantilever beam (51), the other end and Holder for hanging household utensiles of the cantilever beam it Between weld above-mentioned brace (53) formed triangular structure；The cantilever beam is made up of I-steel or H profile steel；The cantilever beam Both ends are both provided with limiter (511).

6. a kind of dolly chain drive according to claim 1 and the bridge-type cantilever crane with anti-tipple, its feature It is：Described cantilever member (5) is connected to the suspension rod axle (42) of rotating mechanism by flat key (49) and cylindrical nut (100) On；Described cylindrical nut and suspension rod shaft end head are connected by bolt and locking plate (110) again.

7. a kind of dolly chain drive according to claim 6 and the bridge-type cantilever crane with anti-tipple, its feature It is：Described cylindrical nut (100) is cylinder, and its center is provided with screw thread (101)；On described cylindrical nut end face Provided with locking groove (102), two screws (103) are opened up on the locking groove, are also opened up on the cylindrical nut external diameter multiple blind Hole (104).

8. a kind of dolly chain drive according to claim 1 and the bridge-type cantilever crane with anti-tipple, its feature It is：The described cart running gear (8) that pulls includes driving wheel (82), follower (81), sprocket wheel (83), chain (84), Two followers (81) are separately mounted to one end of two end carriages (1)；Driving wheel (82) described in two is installed respectively In the other end of two end carriages, a side flange of the driving wheel is provided with gear；The driving wheel and gear shaft (85) External toothing connects；Two gear shafts are connected by power transmission shaft (86) and sprocket wheel (83) respectively；The sprocket wheel both sides It is connected on bearing block and support frame (87), support frame as described above is fixed on girder (2)；Described sprocket wheel connects a both ends The chain (84) of closing.