CN107572387A

CN107572387A - A kind of dolly gear driving and the bridge-type cantilever crane with balance weight

Info

Publication number: CN107572387A
Application number: CN201610518440.5A
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

Bridge-type cantilever crane this application discloses a kind of driving of dolly gear and with balance weight, 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；Inverted " u "-shaped track is designed with above two girders；The termination of track is provided with car bumper；A running trolley is connected between two tracks；Running trolley is provided with gear device；Running trolley center is provided with rotating mechanism；Rotating mechanism is internally connected with thrust bearing；Suspension rod axle lower end in the rotating mechanism is connected with cantilever member；Cantilever beam one end on the cantilever member is connected to the ring-chain hoist that pulls with coaster, other end hanging balancing weight；The ring-chain hoist that pulls can move back and forth along outrigger horizontal；The cantilever beam is in below two girders and can rotated；The cantilever beam can stretch out operation outside workshop.

Description

A kind of dolly gear driving and the bridge-type cantilever crane with balance weight

Technical field

The application is related to crane field, more particularly to a kind of driving of dolly gear and the bridge-type cantilever with balance weight Crane.

Background technology

Existing bridge crane is applied in Workshop, and the product and raw material in workshop are 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 along Crane twin beams 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, such crane The goods scope that suspension hook can lift is in this plane within the plane that the two-end-point of the two cart tracks in workshop is surrounded When the goods at edge needs lifting, suspension hook just produces oblique pull, then from far point outside this plane article (such as workshop outdoors, across It cannot lift, can only now be transported by other transporting equipments outside), workshop is generally driven under suspension hook by automobile and hung Loading thing, some cars are opened laterally lays track without coming between this workshop and next door workshop, allows trolley special to reach and hangs Hook gets off to join goods, and some sets up a special cantilever crane in workshop doorway (or workshop passageway), to the goods outside workshop It is transported through scheduling, first goods is lifted up into the place that this workshop crane suspension hook is got at, then again by crane this Goods handling is to the other stations in workshop, and the existing bridge crane that is used under this operating mode can not directly join with next door workshop Goods, must be by other transporting equipment schedule jobs, and it is quite inconvenient to bring, and also produces manpower and materials and wastes；Some grains having Crane requirement used in warehouse and the explosion-proof workshop article hoisting of industry electrically has explosion prevention function, it is necessary to fire-proof motor, explosion-proof Electric block cost is very high, and particularly tonnage is little, using the not high place of working level, uses anti-explosion electric lifting speculative investment Greatly, maintenance cost is high；Workshop also 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 gear driving and the bridge-type cantilever crane with balance weight, described Heavy-duty machine can be used under no electric power environmental or mustn't used and be used under the explosion-proof environment of electrical equipment；The crane is not only Can the operation in this workshop, moreover it is possible to by cart support rail beam directly below this workshop of unloading across outer next door place goods, Can be in this workshop in cart running track direction direct unloading goods in place outdoors, it is not necessary to transported by other transporting equipments, no Tumble.

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

A kind of dolly gear driving and the bridge-type cantilever crane with balance weight, including two end carriages, 1, two girder 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；Described two The top of bar girder 2 is designed with inverted " u "-shaped track 21, and track opening is towards on the inside of girder；The termination of the track is provided with car bumper 22, The car bumper is connected with girder；A running trolley 3 is connected between two tracks 21；On the running trolley Wheel is bushing to be run on the track；The running trolley is provided with gear device 7；The running trolley is provided with rotation Mechanism 4；The rotating mechanism is internally connected with thrust bearing；Suspension rod axle lower end in the rotating mechanism connects with cantilever member 5 Connect；One end of cantilever beam 51 on the cantilever member is connected to pull ring-chain hoist 200, other end hanging balancing weight with coaster Hammer 9；The ring-chain hoist that pulls can move back and forth along outrigger horizontal；The cantilever beam is in below two girders simultaneously Can rotation；The cantilever beam can stretch out operation outside workshop.

Wherein, described gear device 7 includes chain pulley 71, sprocket wheel A72, sprocket wheel B73, gear shaft 74, dolly Driving wheel 31；It is toothed around on the dolly driving wheel 31；The gear teeth engage connection with the gear shaft 74；The gear shaft Shaft end connect the sprocket wheel A72；Two gear shafts 74 are connected with bearing block and bearing 75, and the bearing is fixed on operation On dolly 3；Above-mentioned chain pulley 71 connects power transmission shaft 76；The power transmission shaft connects bearing block and support frame in chain pulley both sides On 77, support frame as described above is fixed on running trolley；The both ends of the drive shaft all connects sprocket wheel B73；Above-mentioned sprocket wheel A72 and sprocket wheel B73 is connected by chain 78；An endless chain 710 closed at both ends is connected on above-mentioned chain pulley 71.

Wherein, the rotating mechanism 4 includes bearing block 41, suspension rod axle 42；The middle part of described suspension rod axle 42 and thrust axis 45 connections are held, the thrust bearing is connected to inside the bearing block 41；The suspension rod axle reconnects bearing A44 and bearing B46, the bearing A and bearing B are connected to the both ends of above-mentioned bearing block by bolt and logical lid 43 and boring cover 47 respectively；The axle Bearing 41 is fixed on running trolley 3；The suspension rod axle lower end is provided with keyway and screw thread, and the termination of the screw thread opens up locking lack Mouth 421.

Wherein, described cantilever member 5 includes cantilever beam 51, Holder for hanging household utensiles 52；The Holder for hanging household utensiles top sets a connection Hole 521, described connecting hole is interior to be provided with keyway 522；The Holder for hanging household utensiles bottom is used for the locking spiral shell of installation operation provided with operation window 523 It is female；The lower weld of the Holder for hanging household utensiles 52 is above the cantilever beam 51, and position deviation cantilever beam right-hand member；The cantilever Hanger 53 is set below beam right-hand member, and the hanger is provided with lifting hole(eyelet) 531；The cantilever beam is made up of I-steel or H profile steel；Institute State two limiters 511 of setting between cantilever beam left end and hanger.

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

Wherein, described stop nut 100 is cylinder, and its center is provided with screw thread 101；Described stop nut end face Locking groove 102 is provided with, two screws 103 are opened up on the locking groove, multiple blind holes are also opened up on the stop nut external diameter 104 are easy to rotation process for inserting lever.

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, It is novel reliable；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 directly lift goods to next door workshop；The lifting or decentralization goods for pulling ring-chain hoist (200) rely on and pull chain (201) Pulling function is operated；By push-and-pull hanging object steel cable or pulling chain (201) makes coaster be moved back and forth along cantilever beam orbit； By in oblique pull hand draw ring chain block pull chain (201) can make cantilever beam rotate and can random angle rotation；Pass through pulling The chain (84) pulled in cart running gear can drive whole crane to be run back and forth along train track；Can be by above-mentioned Integrated motion, such as cart operation, cantilever beam rotates, sport car motion, ring-chain hoist hook lifting, running trolley motion, just energy handle Object by pull type of drive from outdoors or the handling of next door workshop to workshop domestic demand will place, in the next door car with workshop surrounding Between or workshop the transhipments of other transporting equipments can need not be borrowed when carrying out goods handing-over outdoors, convenient working, reduce equipment investment It is cost-effective.

In the case where manually pulling chain (710) effect, running trolley can be run running trolley along girder both ends in the application, It is adapted to large span workshop operation.

Gear device in the application on running trolley is arranged on trolley frame, followed by running trolley operation, knot Structure takes up space small, it is not necessary to which strainer, easy to operate, wheel is non-slip；Multiple tracks deceleration is provided with gear device Device, its middle sprocket A (72) and sprocket wheel B (73) can partner speed reducing ratio, gear shaft (74) with dolly driving wheel (31) The gear teeth partner speed reducing ratio, can so mitigate artificial pulling force significantly, and manpower pulls endless chain (710), makes chain pulley (71) Ease rotation, it is especially suitable for the big running trolley of tonnage.

Wheel in the application on running trolley includes dolly driving wheel (31) and follower；In the application on running trolley Wheel can also all be driving wheel, the driving wheel of the same side two connects driving with chain again, this spline structure trolley travelling Can be more smooth, wheel will not skid, but complicated cost is high.

Track above the application middle girder uses inverted " u "-shaped track, and the wheel of running trolley is bushing to be run in orbit, This spline structure can effectively play anti-roll-over action to running trolley；The car bumper (22) at track both ends is fixed by bolts on girder, living Dynamic connection is detachable, and the wheel of running trolley can take out from track termination, convenient for assembly.

After the application cantilever member and suspension rod axis connection, then connect with suspension rod axle thread by stop nut, and by stopping Moving plate and suspension rod axis connection, avoid stop nut from loosening, securely and reliably, the blind hole on stop nut can facilitate lever to insert, and pull Dynamic nut is light, easy disassembly and maintenance.

The suspension of cantilever beam one end pulls ring-chain hoist (200) handling weight, other end hanging balancing weight in the application (9), the two weight offsets, and can reduce the tilting moment of crane, improves lifting capacity, while increase crane stability and peace Quan Xing.

Bearing block and suspension rod axis connection in the application rotating mechanism bear lifting power by thrust bearing, and suspension rod axle is by bearing The spacing firmly radial positions of A and above and below bearing B, ensure that suspension rod axle can bear very big axial force and not offset radially, so as to ensure Suspension rod axle axiality is good, and 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 (rotating mechanism) in Fig. 1；

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

Fig. 6 is cantilever member structural representation in the application；

Fig. 7 is stop nut structural representation in the application；

Fig. 8 is M partial enlarged drawings (gear device) in Fig. 3.

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 gear driving and the bridge-type cantilever crane with balance weight, including two 1, two girder 2 of bar end carriage, it forms double girder bridge structure；It is provided between two described end carriages and pulls cart running gear 8； The top of two girders 2 is designed with inverted " u "-shaped track 21, and track opening is towards on the inside of girder；The termination of the track is provided with Car bumper 22, the car bumper are connected with girder；A running trolley 3 is connected between two tracks 21；The operation Wheel on dolly is bushing to be run on the track；The running trolley is provided with gear device 7；On the running trolley Provided with rotating mechanism 4；The rotating mechanism is internally connected with thrust bearing；Suspension rod axle lower end and cantilever in the rotating mechanism Component 5 connects；One end of cantilever beam 51 on the cantilever member is connected to pull ring-chain hoist 200 with coaster, and the other end hangs Hang balance weight 9；The ring-chain hoist that pulls can move back and forth along outrigger horizontal；The cantilever beam is in two masters Below beam and it can rotate；The cantilever beam can stretch out operation outside workshop.

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 middle part of described suspension rod axle 42 It is connected with thrust bearing 45, the thrust bearing is connected to inside the bearing block 41；The suspension rod axle reconnects bearing A44 The both ends of above-mentioned bearing block are connected to by bolt and logical lid 43 and boring cover 47 respectively with bearing B46, the bearing A and bearing B； The bearing block 41 is fixed on running trolley 3；The suspension rod axle lower end is provided with keyway and screw thread, and the termination of the screw thread opens up Locking breach 421.

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

As shown in fig. 6, described cantilever member 5 includes cantilever beam 51, Holder for hanging household utensiles 52；The Holder for hanging household utensiles top sets one Connecting hole 521, described connecting hole is interior to be provided with keyway 522；Prevent provided with operation window 523 for installation operation the Holder for hanging household utensiles bottom Loose nut；The lower weld of the Holder for hanging household utensiles 52 is above the cantilever beam 51, and position deviation cantilever beam right-hand member；It is described Hanger 53 is set below cantilever beam right-hand member, and the hanger is provided with lifting hole(eyelet) 531；The cantilever beam is by I-steel or H profile steel structure Into；Two limiters 511 are set between the cantilever beam left end and hanger.

As shown in fig. 7, described stop nut 100 is cylinder, its center is provided with screw thread 101；Described stop nut 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 stop nut external diameter more Individual blind hole 104 is easy to rotation process for inserting lever.

As shown in figure 8, described gear device 7 include chain pulley 71, sprocket wheel A72, sprocket wheel B73, gear shaft 74, Dolly driving wheel 31；It is toothed around on the dolly driving wheel 31；The gear teeth engage connection with the gear shaft 74；The tooth The shaft end of wheel shaft connects the sprocket wheel A72；Two gear shafts 74 are connected with bearing block and bearing 75, and the bearing is fixed on On running trolley 3；Above-mentioned chain pulley 71 connects power transmission shaft 76；The power transmission shaft connects bearing block and branch in chain pulley both sides On support 77, support frame as described above is fixed on running trolley；The both ends of the drive shaft all connects sprocket wheel B73；Above-mentioned sprocket wheel A72 and Sprocket wheel B73 is connected by chain 78；An endless chain 710 closed at both ends is connected on above-mentioned chain pulley 71.

Claims

1. a kind of dolly gear driving and the bridge-type cantilever crane with balance weight, 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)； It is designed with inverted " u "-shaped track (21) above two girders (2), and track opening is towards on the inside of girder；The termination of the track Provided with car bumper (22), the car bumper is connected with girder；A running trolley is connected between two tracks (21) (3)；Wheel on the running trolley is bushing to be run on the track；The running trolley is provided with gear device (7)； The running trolley is provided with rotating mechanism (4)；The rotating mechanism is internally connected with thrust bearing；In the rotating mechanism Suspension rod axle lower end is connected with cantilever member (5)；Cantilever beam (51) one end on the cantilever member is connected to pulling with coaster Ring-chain hoist (200), other end hanging balancing weight (9)；The ring-chain hoist that pulls can move back and forth along outrigger horizontal； The cantilever beam is in below two girders and can rotated；The cantilever beam can stretch out operation outside workshop.

2. a kind of dolly gear driving according to claim 1 and the bridge-type cantilever crane with balance weight, its feature It is：Described gear device (7) includes chain pulley (71), sprocket wheel A (72), sprocket wheel B (73), gear shaft (74), small Car owner's driving wheel (31)；It is toothed around on the dolly driving wheel (31)；The gear teeth engage connection with the gear shaft (74)；Institute The shaft end for stating gear shaft connects the sprocket wheel A (72)；Two gear shafts (74) are connected with bearing block and bearing (75), described Bearing is fixed on running trolley (3)；Above-mentioned chain pulley (71) connection power transmission shaft (76)；The power transmission shaft is in chain pulley two Side is connected on bearing block and support frame (77), and support frame as described above is fixed on running trolley；The both ends of the drive shaft all connects chains Take turns B (73)；Above-mentioned sprocket wheel A (72) and sprocket wheel B (73) are connected by chain (78)；One is connected on above-mentioned chain pulley (71) Bar endless chain closed at both ends (710).

3. a kind of dolly gear driving according to claim 1 and the bridge-type cantilever crane with balance weight, its feature It is：The described cart running gear (8) that pulls includes driving wheel (82), follower (81), sprocket wheel (83), chain (84), and two The individual 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 are connected to On bearing block and support frame (87), support frame as described above is fixed on girder (2)；Described sprocket wheel connects a chain closed at both ends Bar (84).

4. a kind of dolly gear driving according to claim 1 and the bridge-type cantilever crane with balance weight, its feature It is：The rotating mechanism (4) includes bearing block (41), suspension rod axle (42)；The middle part of described suspension rod axle (42) and thrust axis (45) connection is held, it is internal that the thrust bearing is connected to the bearing block (41)；The suspension rod axle reconnect bearing A (44) and Bearing B (46), the bearing A and bearing B are connected to above-mentioned bearing block by bolt and Tong Gai (43) and boring cover (47) respectively Both ends；The bearing block (41) is fixed on running trolley (3)；The suspension rod axle lower end is provided with keyway and screw thread, the screw thread Termination open up locking breach (421).

5. a kind of dolly gear driving according to claim 1 and the bridge-type cantilever crane with balance weight, its feature It is：Described cantilever member (5) includes cantilever beam (51), Holder for hanging household utensiles (52)；The Holder for hanging household utensiles top sets a connecting hole (521), it is provided with keyway (522) in described connecting hole；The Holder for hanging household utensiles bottom is provided with operation window (523)；The Holder for hanging household utensiles (52) lower weld is above the cantilever beam (51), and position deviation cantilever beam right-hand member；The cantilever beam right-hand member Hanger (53) is provided below, the hanger is provided with lifting hole(eyelet) (531)；The cantilever beam is made up of I-steel or H profile steel；It is described outstanding Two limiters (511) are set between arm beam left end and hanger.

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

7. a kind of dolly gear driving according to claim 6 and the bridge-type cantilever crane with balance weight, its feature It is：Described stop nut (100) is cylinder, and its center is provided with screw thread (101)；Set on described stop nut end face There is locking groove (102), two screws (103) are opened up on the locking groove, multiple blind holes are also opened up on the stop nut external diameter (104)。