CN107572431A - It is a kind of to drive crane with the dolly gear of C-shaped channel cantilever beam and safety hook - Google Patents

Abstract

Crane, including two end carriages, two girders are driven with the dolly gear of C-shaped channel cantilever beam and safety hook this application discloses a kind of, it forms double girder bridge structure；It is provided between two end carriages and pulls cart running gear；End carriage two is designed with 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 gear device；Running trolley is provided with rotating mechanism；The rotating mechanism up-thrust bearing is connected to the top of bearing block；Suspension rod axle lower end in the rotating mechanism is connected by key with cantilever member, and is fastened with two nut connections；Cantilever beam on the cantilever member is that C-shaped channel steel is formed, and is slotted down；Connection coaster in the groove of the cantilever beam；The coaster can move back and forth along cantilever beam trough inner water is flat；Suspension pulls ring-chain hoist under the coaster；The cantilever beam, which is under two girders, can stretch out operation outside workshop.

Description

It is a kind of to drive crane with the dolly gear of C-shaped channel cantilever beam and safety hook

Technical field

The application is related to crane field, more particularly to a kind of with the driving lifting of the dolly gear of C-shaped channel cantilever beam and safety hook 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 drives crane, the crane with the dolly gear of C-shaped channel cantilever beam and safety hook 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 dispatch, do not tumble by other transporting equipments.

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

It is a kind of to drive crane, including two end carriages, 1, two girder 2 with the dolly gear of C-shaped channel cantilever beam and safety hook, 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 two is designed with anti-tipple 11；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；The running trolley is provided with gear device 7； The running trolley is provided with rotating mechanism 4；The rotating mechanism up-thrust bearing is connected to the top of bearing block；The rotation The lower end of suspension rod axle 42 in mechanism is connected by key 49 with cantilever member 5, and is fastened with two connections of nut 100；It is described outstanding Cantilever beam 51 on arm member is that C-shaped channel steel is formed, and is slotted down；Connection coaster 6 in the groove of the cantilever beam 51；Institute Stating coaster can move back and forth along cantilever beam trough inner water is flat；Suspension, which pulls ring-chain hoist 200, under the coaster can lift goods；Institute Operation outside workshop can be stretched out by stating cantilever beam and being under two girders.

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 The shaft end of axle connects the sprocket wheel A72；Two gear shafts 74 are connected with bearing block and bearing 75, and the bearing is fixed on fortune On row dolly 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 Connected with sprocket wheel B73 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 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 suspension rod axle 42 is provided with the shaft shoulder 425, and both ends are designed with spiral shell Line；The suspension rod axle is connected through the center of bearing block 41 with thrust bearing 45；The thrust bearing is connected to the top of bearing block； Stop nut 44 is reconnected on the thrust bearing；After the stop nut is connected with suspension rod axle thread, then worn by bolt 46 The diameter for crossing stop nut and suspension rod axle connects.

Wherein, described cantilever member 5 includes cantilever beam 51, Holder for hanging household utensiles 52, brace 54；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 The lower weld of seat 52 welds above-mentioned brace between one end of the cantilever beam 51, the cantilever beam other end and Holder for hanging household utensiles 54 form triangular structure；The cantilever beam is made up of C-shaped channel steel, and is slotted down；The cantilever beam both ends are provided with capping 512.

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 anti-tipple 11 includes T-shaped hook seat 111, L-shaped safety hook 112；The T-shaped hooks the seat board of seat Mounting hole 1111 is provided with, the T-shaped hooks seat and is provided with horizontal elongated hole 1112；Above-mentioned L-shaped safety hook includes eave tile 1121, L Elongated hole 1122 is additionally provided with shape safety hook；Described L-shaped safety hook hooks seat with the T-shaped by bolt 113 and is connected；The L Eave tile 1121 on shape safety hook 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 (200) are made by the pulling for pulling chain (201) With being operated；By drawing, dragging or slant handle zip strip (201) or pull steel cable on ring-chain hoist suspension hook, make coaster (6) Along cantilever beam transverse movement；By in oblique pull hand draw ring chain block pull chain (201) can make cantilever beam rotate and can appoint Meaning angle rotates；By pull the chain (84) that pulls in cart running gear can drive whole crane along train track back and forth Operation；It can be run by above-mentioned integrated motion, such as cart, cantilever beam rotates, coaster motion, ring-chain hoist hook lifting, Running trolley move, just can object by pull driving from outdoors or the handling of next door workshop to workshop domestic demand will place, with car Between surrounding next door workshop or workshop the transhipments of other transporting equipments, convenient working can need not be borrowed when carrying out goods handing-over outdoors； Coaster is the conventional accessory for hanging Transport Machinery industry, easily buying.

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.

Gear device in the application on running trolley is arranged on trolley frame, be followed by running trolley and is run, shared by structure Space is small, it is not necessary to which strainer, easy to operate, wheel is non-slip；Multiple tracks deceleration device is provided with gear 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；Car in the application on running trolley Wheel can also all be driving wheel, and the driving wheel of the same side two connects driving with chain again, and 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, so Structure can effectively play anti-roll-over action to running trolley.

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；Cantilever beam is made using C-shaped channel steel, it is in light weight, few with material；Rolling bearing is carried on coaster, Rotate flexibly, and it is simple in construction, cost is low.

End carriage in the application crane sets anti-tipple (11), crane can be avoided to tumble, and ensures safety；Work as cantilever beam When may overload, end carriage is while upwarp, and now the eave tile of L-shaped safety hook can catch on the upper cover plate Ji edge of cart support rail beam (12), Avoid crane from tumbling and ensure safety；Anti- tipple is connected with end carriage, in-site installation convenient construction；Anti- tipple On T-shaped hook seat (111) and L-shaped safety hook (112) be designed with connection elongated hole, in crane in-site installation, be easy to adjust Relative position is saved, easily installation is in place；When crane end carriage upwarps, can be pulled by hinged cantilever component or movement Ring-chain hoist reduces lift heavy, can so change the position of centre of gravity of crane, ensure stabilization, avoid crane from tumbling.

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 After suspension rod axis connection, then the connection by bolt (46), anti-loose effect is played, ensures rotating mechanism safety.

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 anti-tipple structural representation in the application；

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

Fig. 7 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, it is a kind of to drive crane, including two with the dolly gear of C-shaped channel cantilever beam and safety hook 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； Described two end carriage two are designed with anti-tipple 11；The top of two girders 2 is designed with inverted " u "-shaped track 21, and Track opening is towards on the inside of girder；A running trolley 3 is connected between two tracks 21；The running trolley drives provided with gear Dynamic device 7；The running trolley is provided with rotating mechanism 4；The rotating mechanism up-thrust bearing is connected to the top of bearing block； The lower end of suspension rod axle 42 in the rotating mechanism is connected by key 49 with cantilever member 5, and is fastened with two connections of nut 100； Cantilever beam 51 on the cantilever member is that C-shaped channel steel is formed, and is slotted down；Connection coaster in the groove of the cantilever beam 51 6；The coaster can move back and forth along cantilever beam trough inner water is flat；Suspension, which pulls ring-chain hoist 200, under the coaster can lift goods； The cantilever beam, which is under two girders, 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, 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 middle part of suspension rod axle 42 is provided with the shaft shoulder 425, and both ends are all Provided with screw thread；The suspension rod axle is connected through the center of bearing block 41 with thrust bearing 45；The thrust bearing is connected to bearing block Top；Stop nut 44 is reconnected on the thrust bearing；After the stop nut is connected with suspension rod axle thread, then pass through spiral shell The diameter of bolt 46 through stop nut and suspension rod axle connects.

As shown in figure 5, described anti-tipple 11, which includes T-shaped, hooks seat 111, L-shaped safety hook 112；The T-shaped hooks seat Seat board be provided with mounting hole 1111, the T-shaped hooks seat and is provided with horizontal elongated hole 1112；Above-mentioned L-shaped safety hook includes eave tile 1121, elongated hole 1122 is additionally provided with L-shaped safety hook；Described L-shaped safety hook hooks seat with the T-shaped by bolt 113 and is connected； Eave tile 1121 on the L-shaped safety hook is connected with the lower surface gap of the Ji edge of 12 upper cover plate of cart support rail beam 121.

As shown in fig. 6, described cantilever member 5 includes cantilever beam 51, Holder for hanging household utensiles 52, brace 54；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 State Holder for hanging household utensiles 52 lower weld welded between one end of the cantilever beam 51, the cantilever beam other end and Holder for hanging household utensiles it is above-mentioned Brace 54 forms triangular structure；The cantilever beam is made up of C-shaped channel steel, and is slotted down；The cantilever beam both ends are provided with Capping 512.

As shown in fig. 7, 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；It is described The shaft end of gear shaft connects the sprocket wheel A72；Two gear shafts 74 are connected with bearing block and bearing 75, and the bearing is fixed On running trolley 3；Above-mentioned chain pulley 71 connects power transmission shaft 76；The power transmission shaft connects bearing block in chain pulley both sides On support frame 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 are connected by chain 78；An endless chain 710 closed at both ends is connected on above-mentioned chain pulley 71.

Claims (6)

1. a kind of drive crane, including two end carriages (1), two girders with the dolly gear of C-shaped channel cantilever beam and safety hook (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 end carriage two are designed with anti-tipple (11)；Inverted " u "-shaped track (21) is designed with above two girders (2), And track opening is towards on the inside of girder；A running trolley (3) is connected between two tracks (21)；The running trolley is set There is gear device (7)；The running trolley is provided with rotating mechanism (4)；The rotating mechanism up-thrust bearing is connected to The top of bearing block；Suspension rod axle (42) lower end in the rotating mechanism is connected by key (49) with cantilever member (5), and With two nut (100) connection fastenings；Cantilever beam (51) on the cantilever member is that C-shaped channel steel is formed, and is slotted down； Connection coaster (6) in the groove of the cantilever beam (51)；The coaster (6) can move back and forth along cantilever beam trough inner water is flat；Institute Goods can be lifted by stating under coaster suspension and pulling ring-chain hoist (200)；The cantilever beam, which is under two girders, can stretch out car Between outer operation.

It is 2. according to claim 1 a kind of with the dolly gear of C-shaped channel cantilever beam and safety hook driving crane, its feature It is：Described gear device (7) include chain pulley (71), sprocket wheel A (72), sprocket wheel B (73), gear shaft (74), Dolly driving wheel (31)；It is toothed around on the dolly driving wheel (31)；The gear teeth and the gear shaft (74) company of engagement Connect；The shaft end of the gear shaft connects the sprocket wheel A (72)；Two gear shafts (74) are connected with bearing block and bearing (75), The bearing is fixed on running trolley (3)；Above-mentioned chain pulley (71) connection power transmission shaft (76)；The power transmission shaft is in chain Bar pulley both sides are 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 connect sprocket wheel B (73)；Above-mentioned sprocket wheel A (72) and sprocket wheel B (73) are connected by chain (78)；Above-mentioned chain An endless chain (710) closed at both ends is connected on pulley (71).

It is 3. according to claim 1 a kind of with the dolly gear of C-shaped channel cantilever beam and safety hook driving crane, 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), Both ends are designed with screw thread；The suspension rod axle is connected through bearing block (41) center with thrust bearing (45)；The thrust bearing It is connected to the top of bearing block；Stop nut (44) is reconnected on the thrust bearing；The stop nut connects with suspension rod axle thread After connecing, then connected by the diameter of bolt (46) through stop nut and suspension rod axle.

It is 4. according to claim 1 a kind of with the dolly gear of C-shaped channel cantilever beam and safety hook driving crane, its feature It is：Described cantilever member (5) includes cantilever beam (51), Holder for hanging household utensiles (52), brace (54)；The Holder for hanging household utensiles top One connecting hole (521) is set, 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) is between one end of the cantilever beam (51), the cantilever beam other end and Holder for hanging household utensiles Weld above-mentioned brace (54) and form triangular structure；The cantilever beam is made up of C-shaped channel steel, and is slotted down；It is described outstanding Arm beam both ends are provided with capping (512).

It is 5. according to claim 1 a kind of with the dolly gear of C-shaped channel cantilever beam and safety hook driving crane, 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.

It is 6. according to claim 1 a kind of with the dolly gear of C-shaped channel cantilever beam and safety hook driving crane, its feature It is：Described anti-tipple (11) includes T-shaped and hooks seat (111), L-shaped safety hook (112)；The T-shaped hooks seat Seat board is provided with mounting hole (1111), and the T-shaped hooks seat and is provided with horizontal elongated hole (1112)；Above-mentioned L-shaped safety hook includes hooking Head (1121), elongated hole (1122) is additionally provided with L-shaped safety hook；Described L-shaped safety hook passes through bolt (113) and the T Shape hooks seat connection；Under eave tile (1121) and cart support rail beam (12) upper cover plate (121) Ji Yuan on the L-shaped safety hook Surface gap connects.