Summary of the invention
The purpose of this utility model is to provide a kind of suspension type single-beam crane, the technical problem low to solve effective lifting altitude of existing single-beam crane.
In order to realize object above, the technical scheme of this utility model centre mounted type single-beam crane is as follows: suspension type single-beam crane, the suspension end carriage including the girder extended along the longitudinal direction, connecting two ends before and after girder and running trolley, hang the operation sport car that end carriage is provided with on the i-beam track for being suspended on Factory Building top, described girder is provided with the Load-bearing rail run along the longitudinal direction for described running trolley, and described Load-bearing rail is positioned at the top of described end carriage lower surface.
Described operation sport car includes that the wheel that runing frame and rotation are assemblied on runing frame, described runing frame are hinged on described suspension end carriage, and runing frame and the hinge axes hanging end carriage extend along the longitudinal direction.
Described girder is box-structure, the first web, the second web and the upper cover plate that girder includes lower cover, is located on lower cover, described running trolley includes travelling mechanism, described travelling mechanism includes adhesion wheel and guide and limit mechanism, girder be provided with described guide and limit mechanism guide coordinate, prevent dolly from departing from the position limiting structure of girder in running, described travelling mechanism is positioned at the top of the lower cover of girder.
Described upper cover plate is provided with the limit track extended along the longitudinal direction, and limit track forms described position limiting structure.
Upper cover plate is stretched out in the upper end of described first web and/or the second web, and the part protruding upward described upper cover plate of described first web and/or the second web forms the described position limiting structure of correspondence.
Described lower cover stretches out the first described web and/or the second web in left-right direction, the part stretching out the first described web and/or the second web of described lower cover is provided with track girder, and described track girder includes the track gripper shoe for supporting described Load-bearing rail extended along the longitudinal direction.
Described running trolley has two and lays respectively at the left and right sides of described girder, described running trolley includes main suspension hook, it is provided with balancing suspension hook between the main suspension hook of two running trolleys, described balancing suspension hook includes that the hook body for handling weight and equalizer bar, the two ends of described equalizer bar are connected on the main suspension hook of running trolley.
Described upper cover plate or the first web or the second web are provided with the hauling-chain frame for Power Support drag chain, and described hauling-chain frame has the dee extended along the longitudinal direction.
The beneficial effects of the utility model: end carriage is arranged to underslung by suspension type single-beam crane of the present utility model, is suspended on the i-beam track of Factory Building inner top, eliminate the operation spandrel girder in Factory Building and column, improve the space availability ratio of plant floor.The more important thing is, Load-bearing rail is positioned above the position hung above the lower surface of end carriage, when running trolley runs on this Load-bearing rail, is positioned at the crane below girder relative to dolly of the prior art, the lifting altitude of crane can be significantly improved.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model suspension type single-beam crane embodiment 1；
Fig. 2 is the mounted schematic diagram in Factory Building of the crane in Fig. 1；
Fig. 3 is the structural representation of the cross section of the girder in Fig. 1；
Fig. 4 is the structural representation (removal running trolley) of the cross section of the girder in Fig. 1；
Fig. 5 is that the double trolley of the crane in Fig. 1 closes the schematic diagram that machine uses；
Fig. 6 is the crane side view in a state of use of Fig. 5；
Fig. 7 is the structural representation hanging end carriage in Fig. 1；
Fig. 8 is the structural representation of this utility model suspension type single-beam crane embodiment 2；
Fig. 9 is the structural representation of this utility model suspension type single-beam crane embodiment 3；
Figure 10 is the structural representation of the travelling mechanism of running trolley；
Figure 11 is the structural representation of the lifting mechanism of running trolley；
Figure 12 is the structural representation of the fixed frame that hoists in Figure 11.
Detailed description of the invention
This utility model suspension type single-beam crane embodiment 1: as shown in figs. 1-7, this crane includes the running trolley 8 that the girder 5 extended along the longitudinal direction, guiding movement are assemblied on girder 5.Before and after girder 5, two ends are provided with suspension end carriage 1, hang the operation sport car that end carriage 1 is provided with on the i-beam track 3 for being suspended on Factory Building top.I-beam track 3 is connected on Factory Building top by track boatswain chair 7.Each suspension end carriage 1 is provided with the operation sport car 11 that time interval is arranged, one of them active.Running sport car 11 include runing frame 16 and rotate the wheel 12 being assemblied on runing frame, runing frame 16 is hinged on suspension end carriage 1 by rotating shaft 15, and runing frame 16 and the hinge axes hanging end carriage 1 extend along the longitudinal direction.Another adhesion wheel 13 actively run on sport car is driven by sport car motor 14.
Girder 5 includes the girder body in box-structure, the first web the 57, second web 56 and upper cover plate 58 that girder body includes lower cover 50, is located on lower cover 50, and first web the 57, second web 56 be arranged in parallel and between upper cover plate 58 and lower cover 50.The internal inner reinforced plate 59 being provided with spaced apart reinforcement of girder 8.All stretching out on the left of first web the 57, second web 56(along its width of lower cover 50 is the first web, and right side is the second web 24, lower cover 50 stretch out the first web 57 to the left, stretch out to the right the second web 56).Be equipped with track girder in the part stretching out first web the 57, second web 56 of lower cover 50, track girder include extending along the longitudinal direction for support Load-bearing rail track gripper shoe 54 and along track gripper shoe 54 length direction spaced load-bearing gusset 55.Load-bearing gusset 55 has the joint face that the track gripper shoe 54 with the first web 57, the track gripper shoe in left side or the second web 56, right side is connected, and the lower surface of load-bearing gusset 55 is connected on lower cover 50.Load-bearing rail 53 is fixed in track gripper shoe 54 and extends along the longitudinal direction.Track gripper shoe 54 be arranged in parallel with lower cover 50.Upper cover plate 58 is provided with the hauling-chain frame 51 for Power Support drag chain 6.Hauling-chain frame 51 is formed by opening up U-shaped plate, and the diapire of U-shaped plate forms the supporting surface of Power Support drag chain 6.Owing to being double trolley, therefore, power supply drag chain 6, hauling-chain frame 51 are all to arrange two.Upper cover plate 58 is provided with limit track 52, and limit track 52 forms the position limiting structure spacing to dolly 8.The medial surface of limit track 52 guides with the directive wheel 82 of dolly 8 and coordinates.The travelling mechanism 84 of dolly is provided with anticreep fixed plate 85, the end of anticreep fixed plate 85 is close to the downside of upper cover plate 58, anticreep fixed plate play prevent at crane just in case overweight time the chain breakage that hoists lifting mechanism popped up cause derailing and the effect of accident hazard.
In the present embodiment, running trolley 8 has two and lays respectively at the left and right sides of girder 5, running trolley 8 includes main suspension hook 83, it is provided with balancing suspension hook between the main suspension hook 83 of two running trolleys 8, balancing suspension hook includes hook body 72 and equalizer bar 71, and the two ends of equalizer bar 71 are connected on the main suspension hook 83 of dolly.Equalizer bar 71 be respectively arranged at two ends with first U-shaped snap ring the 73, second U-shaped snap ring 74.First U-shaped snap ring the 73, second U-shaped snap ring 74 is buckled on little car owner's suspension hook 83 of correspondence.Balancing suspension hook can hoisting weight is bigger two lifting mechanisms unite two into one when goods.As shown in Figure 6, it is the side view after balancing suspension hook installed by crane.
As shown in figs. 10-12, running trolley 8 includes travelling mechanism, lifting mechanism to the structure of running trolley, and travelling mechanism includes actively wheel carrier 86, load-carrying link plate 80, and the drivewheel of dolly is arranged in active wheel carrier 86, and drivewheel runs along Load-bearing rail 53.Actively motor 87 is run before and after being located at driving drivewheel motion in the side of wheel carrier 86, front and back runs motor 87 and extends in left-right direction.Load-carrying link plate 80 is arranged on above active wheel carrier, load-carrying link plate 80 is bent plate, and bent plate includes riser 802 and transverse slat 801, and transverse slat 801 extends to girder side, transverse slat 801 is provided with guide and limit mechanism, and guide and limit mechanism includes the directive wheel 82 that pivot center is vertically extending.On riser 802, releasable connection has lifting mechanism, lifting mechanism to include the fixed frame 89 that hoists, and is provided with assembly pulley in the fixed frame 89 that hoists, and the outside of the fixed frame 89 that hoists arranges lifting motor 88.Riser 802 is provided with load-carrying hanging hole 803, the hoist side towards riser 802 of fixed frame 89 is provided with the hook 891 for buckling in load-carrying hanging hole 803, the fixed frame 89 that hoists is fastened by bolts after buckling on riser 802, and on the fixed frame 89 that hoists, the lower section in hook 891 is provided with the bolt hole 892 penetrated for bolt.Corresponding position on riser 802 is also equipped with corresponding bolt penetration hole.The fixed frame 89 that hoists has the installation cavity of up/down perforation, and assembly pulley includes fixed pulley group and guiding fixed pulley group, lifting hook pulley group in the same direction.Hoist and be provided with appearance chain bag 90 below fixed frame 89.Lifting altitude is not limited by lifting mechanism framework, can vertically rise and be raised to and fixed pulley group parallel height in the same direction.
This utility model suspension type single-beam crane embodiment 2, as shown in Figure 8, is the cross sectional representation of girder 2, and girder 2 is in box-structure, and for bilateral rail, the both sides of girder 2 are equipped with two running trolleys.The first web the 27, second web 24 and upper cover plate 26 that girder 2 includes lower cover 25, is located on lower cover 25, first web the 27, second web 24 be arranged in parallel and between upper cover plate 26 and lower cover 25.Girder 2 is internal is provided with inner reinforced plate.All stretching out on the left of first web the 27, second web 24(along its width of lower cover 25 is the first web, and right side is the second web 24, lower cover 25 stretch out the first web 27 to the left, stretch out to the right the second web 24).Be equipped with track girder in the part stretching out the first web, the second web of lower cover 25, track girder include extending along the longitudinal direction for support Load-bearing rail track gripper shoe 28 and along track gripper shoe 28 length direction spaced reinforcement gusset 29.Load-bearing rail 23 is fixed in track gripper shoe 28 and extends along the longitudinal direction.Track gripper shoe 28 be arranged in parallel with lower cover 25.Upper cover plate 26 is all stretched out in the upper end of first web the 27, second web 24, and upper cover plate 26 is between first web the 27, second web 24.The part protruding upward upper cover plate 26 of first web the 27, second web 24 forms the position limiting structure 241 to dolly.The directive wheel 41 of running trolley guides with corresponding position limiting structure 241 and coordinates.Side in first web the 27, second web 24 is provided with the hauling-chain frame 22 of Power Support drag chain 6, forms dee between the web that hauling-chain frame 22 is corresponding with first web the 27, second web 24.Hauling-chain frame 22 is formed by two-flap.
The embodiment 3 of siding track formula mono beam crane in bridge type of the present invention: as shown in Figure 9, structural representation for the cross section of girder, for unilateral rail, difference with embodiment 2 is, right side in the left and right sides of girder is provided with the Load-bearing rail extended along the longitudinal direction, only including a running trolley, the adhesion wheel of running trolley runs along Load-bearing rail.The box-structure of girder is slightly revised with the structure in embodiment 2, to adapt to the operation of single crab.Second web 24 on the right side of girder is constant, and first web 31 in left side shortens in the height direction, and the first web 31 is between upper and lower cover plate.The part that the part stretched out to the right of lower cover 30 is stretched out more to the left is longer, to install Load-bearing rail.Hauling-chain frame 22 the most only need to be arranged on the second web 24.The part protruding upward upper cover plate 32 of the second web 24 forms the position limiting structure 242 to dolly.Position limiting structure 242 guides with the directive wheel 41 of running trolley and coordinates.First web 31 and the second web 24 are the definition to left and right sides web, it is not limited to left side or right side, can exchange.
The two ends of girder of the present utility model are bolted and are hanging on end carriage, the lower surface of girder is concordant with the lower end hanging end carriage, the upper side of girder almost maintains an equal level with the upper level of i-beam track, remains a fraction of safe distance with plant floor end face.Load-bearing rail is positioned at the top of the lower surface hanging end carriage so that the travelling mechanism of running trolley and the most top setting of lifting mechanism, lifting altitude is no longer limited by girder lower cover, can improve the lifting altitude of crane.
In other embodiments, Load-bearing rail can directly be arranged in the part stretched out on lower cover, or is directly formed by the part stretched out of lower cover.
The crane of bilateral rail of the present utility model, in use, two different goods of lifting mechanism lifting can be operated respectively, two lifting mechanisms arbitrarily can be exchanged through electrical equipment control, if a lifting mechanism breaks down wherein, can call at any time another lifting mechanism enter duty will not be ensured that the safety in production of enterprise by any impact of fault lifting mechanism.Two lifting mechanisms merge through electrical equipment control and use, and can put down at diverse location according to the size of hung object and lift the bigger goods of weight ratio, goods winches to the height that other crane is not reached.
No matter bilateral rail, or unilateral rail, siding track formula single-beam crane has that lifting altitude superelevation, running space be big, small in volume, compact conformation, stable, energy-conserving and environment-protective low noise, maintenance rate are low, easy to operate, can realize the superior function of multi-purpose machine.