CN107954338A - A kind of semi portal bridge-type cantilever crane with lifting truck and balance beam - Google Patents

Abstract

This application discloses a kind of semi portal bridge-type cantilever crane with lifting truck and balance beam, including an end carriage, two girders, a supporting rack, it forms semi portal；Wherein it is equipped with the outside of a girder and chooses electric frame and lashed cable；A lifting truck and a running trolley are connected on track above girder；End carriage is made of balance beam and connecting rod；The bottom end rail of supporting rack is formed by connecting by balance ground beam and tie-beam by connecting shaft；Cart actuating device and passive wheel group are connected on balance beam and balance ground beam；Girder lateral surface sets siding track；Rail is equipped with the outside of girder；The running trolley both sides anti-roller devices of connection are ganged up with to be run on rail；Running trolley is equipped with rotating mechanism；Sunpender axis lower end in rotating mechanism is connected with cantilever member, upper end connection safety ruler；Electric block is installed on cantilever member can simultaneously move back and forth along outrigger horizontal；Cantilever beam, which is placed under girder, can stretch out operation outside workshop, and can rotate.

Description

A kind of semi portal bridge-type cantilever crane with lifting truck and balance beam

Technical field

This application involves crane field, more particularly to a kind of semi portal bridge-type with lifting truck and balance beam to hang Boom crane.

Background technology

Existing bridge crane is applied in Workshop, and many machine tools have been controlled in some workshops and have been processed life Production, product and raw material are required for Real-Time Transport to next door workshop or other departments；The suspension hook of crane on workshop is from trolley Upper hang carries out lifting cargo, and trolley can only be run back and forth along crane twin beams, and crane can only be along workshop both sides Run back and forth across the cart track on column, the cargo scope that such crane hook can lift is in two, workshop cart track Within the plane that two-end-point is surrounded, when being in the cargo of this horizontal edge needs lifting, suspension hook just produces oblique pull, then from this The article (such as workshop outdoors, across outer) of far point cannot lift outside a plane, can only turn at this time by other transporting equipments Fortune, usually drives workshop into by automobile and lifting cargo is carried out under suspension hook, some cars are opened to come in this workshop and next door workshop Between be laterally laid with track, allow trolley special to reach suspension hook and get off to join cargo, some is in workshop doorway (or workshop passageway) A special cantilever crane is set up, scheduling is transported through to the cargo outside workshop, first cargo is lifted up into and is hung in this workshop crane The place that hook is got at, then again by crane this cargo handling to the other stations in workshop, what is used under this operating mode shows There is bridge crane, cannot directly join cargo with next door workshop, must be brought quite not by other transporting equipment schedule jobs Just, manpower and materials are also produced to waste.

The content of the invention

The application purpose is to provide a kind of semi portal bridge-type cantilever crane with lifting truck and balance beam, described Crane is not only able in this workshop handling object up and down, additionally it is possible to by cart support rail beam directly below this workshop of handling across The cargo in outer next door place, also can be in this workshop in cart running track direction direct lift cargo in place outdoors, it is not necessary to borrow Other transporting equipments are helped to transport；The crane can also facilitate handling elongate article；The cantilever beam rotating speed of the crane can Accurately reach user demand；The crane do not tumble, run it is smooth do not block, securely and reliably.

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

A kind of semi portal bridge-type cantilever crane with lifting truck and balance beam, including 1, two girder of an end carriage 2nd, a supporting rack 100, it forms semi portal 28；Include bottom end rail 300 on the supporting rack；Wherein it is equipped with the outside of a girder Choose electric frame 121；A lifting truck 01, the wheel tread of the lifting truck are connected on track 21 above two girders On the rail level for riding over the track 21；The lifting truck band lifting hook can simultaneously be run on the track；It is characterized in that： A running trolley 3 is also connected with the track 21, the wheel tread of the running trolley is ridden on the rail level of the track 21, And it can run on the track；It is described to choose electric frame 121 and be equipped with two groups of moveable lashed cables 123；The end carriage 1 is flat by two Weighing apparatus end carriage 102 and a middle connecting rod 101 are formed by connecting；The bottom end rail 300 is by two balance ground beams 302 and centre one Tie-beam 301 is formed by connecting by connecting shaft 303；The balance beam 102 and balance 302 one end connect band flange shaft of ground beam Cart actuating device 8, the passive wheel group 18 of other end connect band flange shaft；One rail level is all set on the outside of two girders Rail 22 directed downwardly, and it is parallel with above-mentioned track 21；Above-mentioned 3 both sides of running trolley respectively connect two sets of anti-roller devices 33, institute State anti-roller devices and gang up with and run on the rail 22；The running trolley is equipped with the rotating mechanism 4 with elevating arc transmission； 42 lower end of sunpender axis in the rotating mechanism is connected with cantilever member 5, upper end connection safety ruler 583；On the cantilever member Electric block 10 is installed, electric block can be along 51 horizontal traversal of cantilever beam on cantilever member；The cantilever beam is in Operation outside extended workshop below girder, and can rotate.

Wherein, the rotating mechanism 4 include driving device 40, small elevating arc 402, big elevating arc 403, bearing block 41, Sunpender axis 42；The bearing block 41 is fixedly connected on running trolley 3；The lower end branch sleeve 43 of the inner hole of bearing seat；Institute State the middle part of sunpender axis 42 and be equipped with the shaft shoulder 425；The sunpender axis is connected through 41 center of bearing block with thrust bearing 45；The thrust The lower floor of bearing is connected to the top of bearing block, its upper strata is connected with stop nut A44；The stop nut A bands dust cover 441, stop nut A is connected with sunpender axle thread, and has been connected by bolt 46 through stop nut A with the diameter of sunpender axis Come；The driving device 40 is composed of motor and horizontal speed-reducer, and the driving device passes through gear reducer bearing 401 It is fixed on running trolley 3；The driving device output shaft is connected to small elevating arc 402, the small elevating arc and big fan tooth 403 external toothings connection is taken turns, the big elevating arc is connected on above-mentioned sunpender axis 42.

Wherein, the cantilever member 5 is connected on the sunpender axis 42 of rotating mechanism by flat key 49 and stop nut 9； The stop nut and sunpender axis is connected with bolt 99 again, and the bolt is through the straight of stop nut and sunpender axis Footpath.

Wherein, the running trolley 3 includes trolley frame 31, drive car 32, passive wheel group 34；The trolley Frame 31 is equipped with assembling window 311 and is used for connection traversing mechanism, and two flank side surface of trolley frame respectively sets two connecting seats 312, connecting seat Connecting hole 3121 is equipped with to be used to connect anti-roller devices；Foregoing drive car 32 and passive wheel group 34 are connected to The both ends of trolley frame；The drive car 32 include " three-in-one " gear reducer 321, adhesion wheel 322, driving axle 323, Running axle stand 324；The running axle stand 324 is tube shape, and the running axle stand both ends connect bearing 325；The bearing bore diameter with it is described Driving axle 323 connects；The driving axle both sides are connected by key with the adhesion wheel 322 respectively, and are kept off by axis The connection of circle 326 is fixed；The adhesion wheel is two-wheel edge；One end of the driving axle and the sky of above-mentioned " three-in-one " gear reducer The heart exports axis connection；" three-in-one " gear reducer is connected on bearing 327；The bearing is welded on above-mentioned running axle stand 324；Institute Stating passive wheel group 34 is included by motor car wheel 342, driven axle 343, passive axle bed 344, and the passive axle bed 344 is tube shape, The passive axle bed both ends are connected by bearing 345 and the driven axle, and the driven axle both ends connection is described by motor-car Wheel；Buffer 35 is connected with the running axle stand 324 and passive axle bed 344.

Wherein, the cart actuating device 8 includes wheel 81, decelerating motor 83, and the wheel is two-wheel edge, described Inside wheel is equipped with spline tooth 811, and 81 both sides of wheel are connected by bearing 82 and flange shaft 84, hollow flange axis 85 respectively Connect, the ring flange of the flange shaft 84 and hollow flange axis 85 is connected to balance beam or balances the both sides of ground beam；Institute 82 outer ring of bearing is stated to be fixed on the wheel by baffle ring 86；The ring flange 851 of above-mentioned hollow flange axis 85 is equipped with motor Connecting screw hole 852；The decelerating motor 83 is connected with splined output shaft 831 with above-mentioned wheel inner spline gear 811；The electricity that slows down Positioning concave ring 832 in flange seat on machine is inlayed with 851 outside diameter of ring flange in hollow flange axis to be connected and tight by screw Gu.

Wherein, the passive wheel group 18 includes wheel 181, flange shaft 182, and the wheel 181 is two-wheel edge, described Wheel both sides be connected respectively by 183 inner ring of bearing with above-mentioned flange shaft 182；The shaft shoulder 1821 is provided with the flange shaft For positioning bearing, one end sets ring flange 1822, and the other end sets lead angle 1824；Profit is provided with the flange shaft 182 Slide opening 1823；Above-mentioned 183 outer ring of bearing is fixed on wheel by dustproof cover 184 and hole baffle ring 185；Two bearings Inner sleeve 186 is connected between 183 inner rings, the inner sleeve is equipped with spacing ring 1861 and oil-through-hole 1862；Above-mentioned flange shaft 182 are connected in balance beam or balance ground beam by adjusting gasket 187 and screw 188 respectively；Connect in the flange shaft 182 It is connected to lubricating cup 189.

Wherein, the anti-roller devices 33 include roller 331, axis 332, bearing 333, and the axis 332 is arranged to one Hold the big other end small, the small one end of the axis sets jagged 3321；Two axis holes 3331 are provided with the bearing；The rolling Wheel surface sets in the arc-shaped, its internal setting shaft shoulder 3311；The roller passes through two bearings 334 and sleeve 335 and axis Connection；The axis is connected by locking plate 336 and bolt with bearing；The bearing 333 is by adjusting gasket 337 and trolley frame 31 Connection.

The beneficial effect of the application is as described below：

The suspension hook on lifting truck (01) in the application can be usually used in this either inside cargo hoisting, because lifting cargo Center of gravity do not produce tilting moment in the underface of crane, crane and trolley, work can be improved using the operating mode of high speed Make efficiency, and available for lifting large-tonnage object；Lifting truck is acted on available for main lifting.

Cantilever beam in the application running trolley (3) can be stretched out between crane locomotive to directly hanging outdoors or to next door workshop Loading thing；The next door workshop cargo of cart traffic direction endpoint can be not only lifted by crane, and cart running track line can be lifted by crane The cargo in side workshop；Since the cantilever beam of the application is arranged at below trolley and girder, cantilever beam can be by below support rail beam The direct lifting cargo in next door workshop is stretched into, or can directly stretch out the workshop operation outdoors of cart traffic direction, therefore the application skill Art feature can realize the application purpose；After lifting cargo, by movement of the electric block along cantilever beam, or pass through cantilever structure The rotation of part, or the movement by running trolley, or the movement by crane, or by foregoing four integrated motion, The cargo of lifting can be hung onto the place of this workshop needs；Can when carrying out cargo handing-over outdoors with next door workshop or workshop The transhipment of other transporting equipments need not be borrowed, improves efficiency.

The suspension hook on lifting truck (01) in the application crane and electric block (10) suspension hook on running trolley (3) With the use of handling elongate article can be facilitated.

Electric frame (121) of choosing on the application loading bridge is equipped with two groups of moveable lashed cables (123), one group of connection lifting Trolley (01) is powered, another group of connection running trolley (3) power supply.

Running trolley (3) in the application can be moved back and forth in the top of girder along girder both ends, be suitable for greatly across Workshop is spent to use；Two anti-roller devices are respectively installed in running trolley both sides, can serve " safety hook ", in anti-roller devices Roller, which is pressed on rail, to be run, and can not only have been avoided cantilever beam from overloading and produced running trolley rollover and ensure that security, but also can protect Wheel on card running trolley all rail do not upwarp, it is ensured that running trolley is run always, and such running trolley is driven using single , it is cost-effective in terms of trolley driving；By adjusting adjust pad (337) suitable thickness, make the roller in anti-roller devices Rightly it is connected with rail (22), rolling can be press against, ensures that trolley travelling is smooth.

Drive car structure on the application running trolley is novel, and two adhesion wheels therein are connected directly between one Bar driving axle both sides and do not have to conventional wheel group, reduce the spare and accessory parts such as the transparent cover of traditional vehicle wheel group structure, boring cover；Driving axle Directly connected with three-in-one gear reducer, whole driving device structure is simple, and spare and accessory parts are few；This drive car and by motor car wheel Group can be pre-assembled components such as decelerating motor, wheel, axle, running axle stands using pre-assembly as complete part, or even batch Assemble spare；Wait when needed, then this drive car and passive wheel group be connected with trolley frame, or be welded to connect or It is bolted, improves efficiency, also allow for a whole set of replacement.

The cantilever crane of the application be suitable for workshop only have set up on the metope column of one side bracket be laid with track, another side Use the environment of workshop track；Cart actuating device is run on column track on end carriage in crane semi portal, bottom end rail On cart actuating device run in the track of workshop；Cantilever beam can reach next door workshop among supporting rack and be lifted Or unloading cargo, can also be under cart support rail beam by next door workshop unloading cargo.

End carriage in the application crane connected using two balance beams (102) and a middle connecting rod (101) and Into；Bottom end rail is formed by connecting by two balance ground beams (302) and a middle tie-beam (301)；Such combination beam is supporting more Group wheel, can use the wheel group of small-wheel-diameter, make that the sectional dimension of combination beam is small, and constructions cost is low, and it is big to solve crane The small wheel load problem of tonnage.

End carriage in the application crane and under very beam both ends cart actuating device is all set, ensure that cart operation is smooth, Avoid because end carriage may upwarp during unilateral driving, driving wheel not rail produce idle running phenomenon；The cart actuating device (8) of the application Structure is novel, compact, assembly and disassembly are convenient；Hollow flange axis is hollow, and drive shaft passes therethrough；Ring flange on hollow flange axis (851) not only it is used to connect balance beam or balance ground beam, but also for connecting decelerating motor, positions decelerating motor；Decelerating motor Output shaft is connected with wheel spline pair through hollow flange shaft hollow hole and directly drives wheel；Positioning concave ring on decelerating motor Snugly it is connected in the flange external diameter of hollow flange axis, the connecting hole on decelerating motor flange seat and hollow flange axis On motor connecting screw hole be tightly coupled together by bolt；The decelerating motor of this structure is especially adapted to planetary reduction gear, structure Small, noise is small；So connect not only simple but also firmly between decelerating motor and wheel, concentricity is good, takes up space small, guarantee wheel Steady operating, operating is with small vibration, noise is small.

Passive wheel group on the application end carriage and bottom end rail is compact-sized, assembly and disassembly are convenient；Bearing outer ring one in wheel While by the spacing another side of the wheel shaft shoulder by dustproof cover and hole retainer ring spacing, bearing inner race is by inner sleeve and the two-way limit of flange shaft Position, than there was only the unidirectional spacing good of flange shaft, thus is avoided that between bearing outer ring and inner ring and produces excessive axial shearing, can be effective Control the inside and outside circle of bearing to deviate in the range of end-play, more preferably protect bearing holder, more preferably protect bearing；Ensure Bearing is fixed on wheel not axial motion；This hole retainer ring spacing method, makes wheel both sides to be set with end carriage medial gap Smaller is put to obtain, shortens the axial dimension of wheel group, flange shaft is assembled rear overhang arm lengths with end carriage and shortens, increase rigidity, increase Wheel stability；When flange shaft is not loaded into, the effect of restraining position ring block (1861) on inner sleeve, inner sleeve is in wheel center hole It is small that eccentric position can be produced, flange shaft is easy for loading inner sleeve during assembling, and makes inner sleeve and coaxial bearing；By adjusting method The different-thickness of adjust pad between blue axis and balance beam, it becomes possible to adjust the left and right offset distance of wheel center line, can solve Certainly wheel bias in balance beam causes to gnaw rail problem, and the shaft shoulder that can also solve in flange shaft is pacified with wheel both sides bearing inner race Clearance issues, the i.e. spacing elastic problem of bearing are filled, resolve wheel axial motion phenomenon；The lead angle (1824) of flange shaft end is used for Inner sleeve is easily inserted into during assembling, possible eccentric inner sleeve correction is concentric with flange shaft；The passive wheel group of the application, It is compact-sized, from heavy and light, parts are few, be convenient to mount and dismount, space occupy-place is small, bearing is spacing comprehensive, safe and reliable.

Rotary limit device is equipped between sunpender axis and trolley frame in the application, by safety ruler (583) and two strokes (581) composition is switched, safety ruler is installed on sunpender axis upper end, and travel switch is installed on trolley frame upper surface, is more convenient installation and adjusts Section；There is rotary limit device, cantilever beam can be avoided excessively to rotate, prevent the cable (6) of electric block to be wrapped in cantilever member In Holder for hanging household utensiles (52) on and be torn because the cable (6) of electric block be draw from the junction box on trolley frame it is ensuing.

Have the gear auxiliary driving of a pair of of elevating arc transmission in rotating mechanism in the application crane, by big elevating arc, The different numbers of teeth setting of small elevating arc, can meet precise requirements of the user to the cantilever beam rotary speed of crane, avoid directly The cantilever beam rotating speed and the large error of actual demand that the general speed of selection standard gear reducer compares and produces；Passed using elevating arc It is dynamic, the driving device in rotating mechanism can be made to use horizontal speed-reducer, reduce setting height(from bottom).

Bearing block and sunpender axis connection in the application rotating mechanism bear gravity by thrust bearing, and thrust bearing is installed on Bearing block top, it is easy to disassemble；The inner hole structure of bearing block is simply easy to process；Sleeve (43) makees sliding bearing for wear-resistant material Use, reduce the fit clearance of sunpender axis, increase rotational stabilization, increase the concentricity of driving mechanism, cantilever member, which rotates, to be saved Power；Stop nut A band dust covers (441) give bearing proofing dust and protecting, while can seal the butter in bearing；Stop nut A is with hanging After bar axis connection, then the connection by bolt (46), anti-loose effect is played, ensures rotating mechanism safety.

After cantilever member and sunpender axis connection in the application, after connecting positioning with sunpender axle thread by stop nut, Connected again with the diameter of bolt (99) through stop nut and sunpender axis, avoid stop nut from loosening, securely and reliably.

Brief description of the drawings

Fig. 1 is the application structural front view；

Fig. 2 is the side view of Fig. 1；

Fig. 3 is the top view of Fig. 1；

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

Fig. 5 is running trolley A-A sectional views in the application；

Fig. 6 is running trolley top view in the application；

Fig. 7 is cart actuating device schematic diagram in the application；

Fig. 8 is passive wheel group schematic diagram in the application；

Fig. 9 is anti-roller devices schematic diagram in the application.

Embodiment

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

As shown in Figure 1, Figure 2, Figure 3 shows, a kind of semi portal bridge-type cantilever crane with lifting truck and balance beam, including One supporting rack 100 of girder 2, one of end carriage 1, two, it forms semi portal 28；Include bottom end rail 300 on the supporting rack；Its In be equipped with the outside of girder and choose electric frame 121；A lifting truck 01 is connected on track 21 above two girders, it is described The wheel tread of lifting truck is ridden on the rail level of the track 21；The lifting truck band lifting hook simultaneously can be in the track Upper operation；A running trolley 3 is also connected with the track 21, the wheel tread of the running trolley rides over the track 21 On rail level, and it can run on the track；It is described to choose electric frame 121 and be equipped with two groups of moveable lashed cables 123；The end carriage 1 It is formed by connecting by two balance beams 102 and a middle connecting rod 101；The bottom end rail 300 is by two balance 302 Hes of ground beam A middle tie-beam 301 is formed by connecting by connecting shaft 303；The balance beam 102 and balance 302 one end connect band of ground beam The cart actuating device 8 of flange shaft, the passive wheel group 18 of other end connect band flange shaft；All set on the outside of two girders One rail level rail 22 directed downwardly, and it is parallel with above-mentioned track 21；Respectively the anti-roller of two sets of connection fills for above-mentioned 3 both sides of running trolley 33 are put, the anti-roller devices are ganged up with to be run on the rail 22；The running trolley is equipped with the rotation with elevating arc transmission Rotation mechanism 4；42 lower end of sunpender axis in the rotating mechanism is connected with cantilever member 5, upper end connection safety ruler 583；It is described outstanding Electric block 10 is installed, electric block can be along 51 horizontal traversal of cantilever beam on cantilever member on arm member；It is described outstanding Arm beam is in operation outside extended workshop below girder, and can rotate.

As shown in figure 4, the rotating mechanism 4 includes driving device 40, small elevating arc 402, big elevating arc 403, bearing Seat 41, sunpender axis 42；The bearing block 41 is fixedly connected on running trolley 3；The lower end branch sleeve of the inner hole of bearing seat 43；The middle part of sunpender axis 42 is equipped with the shaft shoulder 425；The sunpender axis is connected through 41 center of bearing block with thrust bearing 45；Institute The lower floor for stating thrust bearing is connected to the top of bearing block, its upper strata is connected with stop nut A44；The stop nut A bands are anti- Dust hood 441, stop nut A are connected with sunpender axle thread, and are connected by bolt 46 through stop nut A with the diameter of sunpender axis Get up；The driving device 40 is composed of motor and horizontal speed-reducer, and the driving device passes through gear reducer bearing 401 are fixed on running trolley 3；The driving device output shaft is connected to small elevating arc 402, the small elevating arc and big fan 403 external toothing of gear connects, and the big elevating arc is connected on above-mentioned sunpender axis 42.

The cantilever member 5 is connected on the sunpender axis 42 of rotating mechanism by flat key 49 and stop nut 9；Described Stop nut and sunpender axis are connected with bolt 99 again, and the bolt passes through the diameter of stop nut and sunpender axis.

As shown in Figure 5, Figure 6, the running trolley 3 includes trolley frame 31, drive car 32, passive wheel group 34；The trolley frame 31 is equipped with assembling window 311 and is used for connection traversing mechanism, and two flank side surface of trolley frame respectively sets two connecting seats 312, connecting seat is equipped with connecting hole 3121 and is used to connect anti-roller devices；Foregoing drive car 32 and passive wheel group 34 It is connected to the both ends of trolley frame；The drive car 32 includes " three-in-one " gear reducer 321, adhesion wheel 322, master Motor-car axis 323, running axle stand 324；The running axle stand 324 is tube shape, and the running axle stand both ends connect bearing 325；The bearing Internal diameter is connected with the driving axle 323；The driving axle both sides are connected by key with the adhesion wheel 322 respectively, and Connected and fixed by shaft block ring 326；The adhesion wheel is two-wheel edge；One end of the driving axle and above-mentioned " three-in-one " The hollow output shaft connection of gear reducer；" three-in-one " gear reducer is connected on bearing 327；The bearing is welded on above-mentioned axle On seat 324；The passive wheel group 34 is included by motor car wheel 342, driven axle 343, passive axle bed 344, the passive axle bed 344 For tube shape, the passive axle bed both ends are connected by bearing 345 and the driven axle, and the driven axle both ends connect institute State by motor car wheel；Buffer 35 is connected with the running axle stand 324 and passive axle bed 344.

As shown in fig. 7, the cart actuating device 8 includes wheel 81, decelerating motor 83, the wheel is two-wheel edge, The inside wheel is equipped with spline tooth 811, and 81 both sides of wheel pass through bearing 82 and flange shaft 84, hollow flange respectively Axis 85 connects, and the ring flange of the flange shaft 84 and hollow flange axis 85 is connected to the two of balance beam or balance ground beam Side；82 outer ring of bearing is fixed on the wheel by baffle ring 86；The ring flange 851 of above-mentioned hollow flange axis 85 is equipped with Motor connecting screw hole 852；The decelerating motor 83 is connected with splined output shaft 831 with above-mentioned wheel inner spline gear 811；It is described to subtract Positioning concave ring 832 in flange seat on speed motor is inlayed with 851 outside diameter of ring flange in hollow flange axis is connected and passes through spiral shell Clench solid.

As shown in figure 8, the passive wheel group 18 includes wheel 181, flange shaft 182, the wheel 181 is two-wheel Edge, the wheel both sides are connected by 183 inner ring of bearing with above-mentioned flange shaft 182 respectively；It is provided with the flange shaft The shaft shoulder 1821 is used to position bearing, and one end sets ring flange 1822, and the other end sets lead angle 1824；In the flange shaft 182 It is provided with lubrication hole 1823；Above-mentioned 183 outer ring of bearing is fixed on wheel by dustproof cover 184 and hole baffle ring 185；Two Inner sleeve 186 is connected between 183 inner ring of bearing, the inner sleeve is equipped with spacing ring 1861 and oil-through-hole 1862；It is above-mentioned Flange shaft 182 respectively by adjusting gasket 187 and screw 188 be connected to balance beam or balance ground beam on；The flange Lubricating cup 189 is connected with axis 182.

As shown in figure 9, the anti-roller devices 33 include roller 331, axis 332, bearing 333, the axis 332 is set Small into the big other end in one end, the small one end of the axis sets jagged 3321；Two axis holes 3331 are provided with the bearing；Institute State roller surface and in the arc-shaped, its internal setting shaft shoulder 3311 is set；The roller passes through two bearings 334 and sleeve 335 With axis connection；The axis is connected by locking plate 336 and bolt with bearing；The bearing 333 is by adjusting gasket 337 and trolley Frame 31 connects.

Claims (7)

1. a kind of semi portal bridge-type cantilever crane with lifting truck and balance beam, including an end carriage (1), two girders (2), a supporting rack (100), it forms semi portal (28)；Include bottom end rail (300) on the supporting rack；A wherein girder Outside is equipped with and chooses electric frame (121)；A lifting truck (01), the lifting are connected on track (21) above two girders The wheel tread of trolley is ridden on the rail level of the track (21)；The lifting truck band lifting hook simultaneously can be on the track Operation；It is characterized in that：A running trolley (3) is also connected with the track (21), the wheel tread of the running trolley is taken On the rail level of the track (21), and it can run on the track；It is described choose electric frame (121) equipped with two groups it is moveable Lashed cable (123)；The end carriage (1) is formed by connecting by two balance beams (102) and a middle connecting rod (101)；Under described Crossbeam (300) is formed by connecting by two balance ground beams (302) and a middle tie-beam (301) by connecting shaft (303)；It is described Balance beam (102) and the cart actuating device (8) for balancing ground beam (302) one end connect band flange shaft, other end connect band method The passive wheel group (18) of blue axis；One rail level rail directed downwardly (22) is all set on the outside of two girders, and with it is above-mentioned Track (21) is parallel；Above-mentioned running trolley (3) both sides respectively connect two sets of anti-roller devices (33), and the anti-roller devices are ganged up with Run on the rail (22)；The running trolley is equipped with the rotating mechanism (4) with elevating arc transmission；In the rotating mechanism Sunpender axis (42) lower end be connected with cantilever member (5), upper end connection safety ruler (583)；Installed on the cantilever member electronic Cucurbit (10), electric block can be along cantilever beam (51) horizontal traversals on cantilever member；The cantilever beam is in girder Operation outside the extended workshop in lower section, and can rotate.

2. a kind of semi portal bridge-type cantilever crane with lifting truck and balance beam according to claim 1, it is special Sign is：The rotating mechanism (4) includes driving device (40), small elevating arc (402), big elevating arc (403), bearing block (41), sunpender axis (42)；The bearing block (41) is fixedly connected on running trolley (3)；The lower end of the inner hole of bearing seat connects Female connector cylinder (43)；The shaft shoulder (425) is equipped with the middle part of the sunpender axis (42)；The sunpender axis passes through bearing block (41) center and thrust Bearing (45) connects；The lower floor of the thrust bearing is connected to the top of bearing block, its upper strata is connected with stop nut A (44)； The stop nut A band dust covers (441), stop nut A is connected with sunpender axle thread, and passes through locking spiral shell by bolt (46) The diameter of female A and sunpender axis connects；The driving device (40) is composed of motor and horizontal speed-reducer, described Driving device is fixed on running trolley (3) by gear reducer bearing (401)；The driving device output shaft is connected to small fan Gear (402), the small elevating arc are connected with big elevating arc (403) external toothing, and the big elevating arc is connected to above-mentioned sunpender axis (42) on.

3. a kind of semi portal bridge-type cantilever crane with lifting truck and balance beam according to claim 1, it is special Sign is：The running trolley (3) includes trolley frame (31), drive car (32), passive wheel group (34)；It is described small Vehicle frame (31) is equipped with assembling window (311), and two flank side surface of trolley frame respectively sets two connecting seats (312), and connecting seat, which is equipped with, to be connected Connect hole (3121)；Foregoing drive car (32) and passive wheel group (34) are connected to the both ends of trolley frame；It is described small Car driving device (32) includes " three-in-one " gear reducer (321), adhesion wheel (322), driving axle (323), running axle stand (324)；The running axle stand (324) is tube shape, the running axle stand both ends connection bearing (325)；The bearing bore diameter with it is described Driving axle (323) connects；The driving axle both sides are connected by key with the adhesion wheel (322) respectively, and pass through axis Connected and fixed with baffle ring (326)；The adhesion wheel is two-wheel edge；One end of the driving axle and above-mentioned " three-in-one " deceleration The hollow output shaft connection of machine；" three-in-one " gear reducer is connected on bearing (327)；The bearing is welded on above-mentioned running axle stand (324) on；The passive wheel group (34) is included by motor car wheel (342), driven axle (343), passive axle bed (344), the quilt Moving axis seat (344) is tube shape, and the passive axle bed both ends are connected by bearing (345) with the driven axle, the quilt End shaft connection is described by motor car wheel；Buffer (35) is connected with the running axle stand (324) and passive axle bed (344).

4. a kind of semi portal bridge-type cantilever crane with lifting truck and balance beam according to claim 1, it is special Sign is：The cantilever member (5) is connected on sunpender axis (42) by flat key (49) and stop nut (9)；Described is anti- Loose nut and sunpender axis is connected with bolt (99) again, and the bolt (99) passes through the diameter of stop nut and sunpender axis.

5. a kind of semi portal bridge-type cantilever crane with lifting truck and balance beam according to claim 1, it is special Sign is：The cart actuating device (8) includes wheel (81), decelerating motor (83), and the wheel is two-wheel edge, described Inside wheel is equipped with spline tooth (811), and the wheel (81) both sides pass through bearing (82) and flange shaft (84), hollow method respectively The ring flange of blue axis (85) connection, the flange shaft (84) and hollow flange axis (85) is connected to balance beam or balance The both sides of ground beam；Bearing (82) outer ring is fixed on the wheel by baffle ring (86)；Above-mentioned hollow flange axis (85) Ring flange (851) is equipped with motor connecting screw hole (852)；Decelerating motor (83) the band splined output shaft (831) and above-mentioned car Take turns inner spline gear (811) connection；Positioning concave ring (832) in flange seat on the decelerating motor and the method in hollow flange axis Blue disk (851) outside diameter, which is inlayed, to be connected and is fastened by screw.

6. a kind of semi portal bridge-type cantilever crane with lifting truck and balance beam according to claim 1, it is special Sign is：The passive wheel group (18) includes wheel (181), flange shaft (182), and the wheel (181) is two-wheel edge, institute The wheel both sides stated are connected by bearing (183) inner ring with above-mentioned flange shaft (182) respectively；Axis is provided with the flange shaft Shoulder (1821), one end set ring flange (1822), and the other end sets lead angle (1824)；It is provided with the flange shaft (182) Lubrication hole (1823)；Above-mentioned bearing (183) outer ring is fixed on wheel by dustproof cover (184) and hole with baffle ring (185)；Two Inner sleeve (186) is connected between a bearing (183) inner ring, the inner sleeve is equipped with spacing ring (1861) and oil-through-hole (1862)；Above-mentioned flange shaft (182) is connected to balance beam or balance by adjusting gasket (187) and screw (188) respectively On ground beam；Lubricating cup (189) is connected with the flange shaft (182).

7. a kind of semi portal bridge-type cantilever crane with lifting truck and balance beam according to claim 1, it is special Sign is：The anti-roller devices (33) include roller (331), axis (332), bearing (333), and the axis (332) is set Small into the big other end in one end, the small one end of the axis sets jagged (3321)；Two axis holes are provided with the bearing (3331)；The roller surface sets in the arc-shaped, its internal setting shaft shoulder (3311)；The roller passes through two bearings (334) and sleeve (335) and axis connection；The axis is connected by locking plate (336) and bolt with bearing；The bearing (333) It is connected by adjusting gasket (337) with trolley frame (31).