CN107352415A

CN107352415A - A kind of cantilever crane with running trolley and bus ring

Info

Publication number: CN107352415A
Application number: CN201610299214.2A
Authority: CN
Inventors: 卢统华
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-05-09
Filing date: 2016-05-09
Publication date: 2017-11-17

Abstract

This application discloses a kind of cantilever crane with running trolley and bus ring, including end carriage, girder；Wherein it is provided with the outside of a girder and chooses electric frame and lashed cable；Track is provided with above girder, running trolley is connected on track；End carriage is provided with anti-tipple；Siding track and safety hook are provided with the outside of girder, safety hook is connected on the running trolley with rotating mechanism；Suspension rod axle in rotating mechanism is connected through bearing block center with thrust bearing；Thrust bearing is connected to the top of bearing block；Stop nut A above thrust bearing is connected with suspension rod axle thread, and loosens fixation through diameter by bolt；Drive device is connected to small elevating arc, and small elevating arc engages connection with big elevating arc, and big elevating arc is connected on suspension rod axle；Connecting cantilever component and bus ring on suspension rod axle；Electric block is connected on cantilever beam；Cantilever beam is in below girder and can random angle rotation；Two sets of car bumper devices are connected on cantilever beam and position is adjustable.

Description

A kind of cantilever crane with running trolley and bus ring

Technical field

The application is related to crane field, more particularly to a kind of cantilever crane with running trolley and bus ring.

Background technology

Existing bridge crane is applied in Workshop, and many machine tools have been controlled in some workshops and have been processed production, production Product and raw material are required for Real-Time Transport to next door workshop or other departments；Under the suspension hook of crane on workshop is hung from dolly To carry out lifting goods, dolly can only be run back and forth along crane twin beams, and crane can only be along big on the end bay post of workshop two Track road is run back and forth, and the goods scope that such crane hook can lift is surrounded in the two-end-point of the two cart tracks in workshop Plane within, when being in the goods of this horizontal edge needs lifting, suspension hook just produces oblique pull, then remote from outside this plane The article (such as workshop outdoors, across outer) of point cannot lift, and can only now be transported by other transporting equipments, generally by vapour Car drives workshop into and carries out lifting goods under suspension hook, and some cars open to come in the horizontal laid rail between this workshop and next door workshop Road, allow trolley special to reach suspension hook and get off to join goods, some is special outstanding in workshop doorway (or workshop passageway) erection one Arm is hung, 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, Then again by crane this goods handling to the other stations in workshop, the existing bridge crane that is used under this operating mode, with every Wall workshop can not directly join goods, must be by other transporting equipment schedule jobs, and it is quite inconvenient to bring, and also produces manpower and materials Waste.

The content of the invention

The application is aimed to overcome that in place of above-mentioned the deficiencies in the prior art and provided a kind of outstanding with running trolley and bus ring Boom crane, the lifting function are lifted by crane goods of this workshop across outer next door place by cart support rail beam, also can directly below In this workshop in cart running track direction direct lifting cargo in place outdoors, it is not necessary to transported by other transporting equipments, improve effect Rate, goods is unloaded the place for being placed on workshop needs, the cantilever beam rotating speed of crane can accurately reach user's request, and can be in level Arbitrary Rotation on face.

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

A kind of cantilever crane with running trolley and bus ring, including two end carriages, 1, two girder 2；A wherein girder Outside is provided with and chooses electric frame 121, chooses electric frame and is provided with moveable lashed cable 123；Track 21, rail are provided with above two girders Running trolley 3 is connected on road；It is characterized in that：The both ends of end carriage 1 are provided with anti-tipple 11；The outside of the girder Face is provided with siding track 22；The lower section gap connection safety hook 33 of siding track, the safety hook are connected on running trolley 3；It is described Running trolley is provided with rotating mechanism 4；The rotating mechanism bottom bracket 41 is fixed on trolley frame 31；Suspension rod axle 42 is sky Mandrel, the suspension rod axle are connected through the bearing block center with thrust bearing 45；The thrust bearing is connected to the upper of bearing block Portion；It is connected above the thrust bearing with stop nut A44；The stop nut A is connected with suspension rod axle thread, and passes through spiral shell Bolt 46 through stop nut A and suspension rod axle diameter, which connect, to be loosened；The output shaft of drive device 40 is connected to small elevating arc 402, The small elevating arc is connected with the big external toothing of elevating arc 403, and the big elevating arc is connected on suspension rod axle 42；Suspension rod axle lower end with Cantilever member 5 connects, upper end connection bus ring 9；Electric block 10 is connected on the cantilever beam of the cantilever member；It is described outstanding Car bumper device 70 is connected on arm beam and position is adjustable；The cantilever beam is in operation outside extended workshop below girder, and can be in water Random angle rotates in plane.

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

Wherein, the described center of stop nut 100 is provided with screw thread 101, and described stop nut end face is provided with locking groove 102, Two screws 103 are opened up on the locking groove, locking groove is used to connect locking plate, also opened up on the stop nut external diameter multiple Blind hole 104 conveniently pulls nut for inserting lever.

Wherein, described running trolley 3 includes 31, two sets of drive cars 32 of trolley frame；The trolley frame 31 is by steel plate Plate structure is welded into shaped steel combination；The trolley frame center is provided with assembling window 311 and is used for connection traversing mechanism, and trolley frame is horizontal Connecting seat 312 is both provided with to side both sides, connecting seat is provided with connecting hole 3121 and is used to connect safety hook；Foregoing two sets of dollies Drive device 32 is connected to the both ends of trolley frame；Drive car 32 includes " three-in-one " reductor 321, active 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 is connected with the both sides of driving axle 323；The driving axle both sides pass through key and the active respectively Wheel 322 connects, and is connected by shaft block ring 326；The adhesion wheel is two-wheel edge；The one of the driving axle End is connected with the hollow output shaft of above-mentioned " three-in-one " reductor；" three-in-one " reductor is connected on bearing 327；The branch Seat is welded on above-mentioned running axle stand 324；The running axle stand both sides are connected with buffer 33.

Wherein, described cantilever member 5 includes cantilever beam 51, Holder for hanging household utensiles 52；Described one setting connecting hole 521 of Holder for hanging household utensiles, Keyway 522 is provided with described connecting hole, the other end of Holder for hanging household utensiles 52 is welded on one end of the cantilever beam 51；It is described outstanding Arm beam is made up of I-steel, or is made up of H profile steel, or the box girder structure welded by steel plate.

Wherein, described anti-tipple 11 includes hooking seat 111, hooks body 112；The hook seat is provided with mounting hole 1111；On State hook body and be provided with eave tile 1121；The hook body is welded on the hook seat, and hooks seat vertically；Described eave tile 1121 It is connected with the lower surface gap of the Ji edge of 12 upper cover plate of cart support rail beam 121.

Wherein, described bus ring 9 includes interior insulation circle 91, outer insulator 92；The interior insulation circle 91 is provided with multipole Metallic conduction ring 911 and internal wiring terminal 912, in cable connection on the metallic conduction ring to internal wiring terminal；It is described interior exhausted Edge circle 91 is fixed on suspension rod axle 42；The outer insulator 92 is provided with outer terminal 923, compression spring 921, the pressure Contracting spring one end is connected to carbon brush 922, in the cable connection on the carbon brush to outer terminal 923；The contact of the carbon brush with Above-mentioned metallic conduction ring 911 touches connection；The outer insulator 92 is connected on trolley frame by fixed mount 93；Electric block Cable 6 is connected on internal wiring terminal 912 by suspension rod axle endoporus.

Wherein, described car bumper device 70 includes left fixed seat 701, right fixed seat 702, buffer 703, the left fixation Seat and right fixed seat are casting or are process with steel plate, and left fixed seat symmetrically makes with both right fixed seats；The right fixation Seat side opens up clip slot 7021；Screwed hole 7022 is opened up above the clip slot；Connecting bolt and stop nut 704 on screwed hole； Side opens up connecting hole 7023 below the clip slot；The right fixed seat opens up buffer mounting hole on the side beside clip slot 7024；Two buffers 703 are connected in above-mentioned left fixed seat and right fixed seat；The left fixed seat and right fixation Seat is connected on two sides Ji 211 of cantilever beam orbit by screw rod 705 and nut.

Wherein, described safety hook 33 includes hooking seat 331, hooks body 332；The hook seat be provided with mounting hole 3311 be used for it is small Vehicle frame connects；Above-mentioned hook body is provided with eave tile 3321；Described hook body one end is welded on the hook seat, and the hook seat level is upward； Described eave tile 3321 is connected with the lower section gap of siding track 22 on girder.

The beneficial effect of the application is as described below：

Cantilever beam in the application crane can be stretched out between crane locomotive to directly lifting goods outdoors or to next door workshop；Not only The next door workshop goods of cart traffic direction end points can be lifted by crane, and the goods in cart running track line side workshop can be lifted by crane； Because the cantilever beam of the application is arranged at below dolly and girder, cantilever beam can directly be risen by stretching into next door workshop below support rail beam Hoisting thing, or can directly stretch out the workshop operation outdoors of cart traffic direction；After lifting goods, by electric block along cantilever The motion of beam, or the rotation by cantilever member, or the movement by running trolley, or the motion by crane, or By foregoing four integrated motion, the goods of lifting can be hung onto the place that this workshop needs；In the next door with workshop surrounding Workshop or workshop can need not borrow the transhipment of other transporting equipments when carrying out goods handing-over outdoors, improve efficiency.

The electric block cable (6) of the application crane is from the suspension rod axis center in rotating mechanism by being connected to bus ring (9), cable (6), which will not be wound, is not torn, is not required to set rotary limit device, ensures that cantilever beam can appoint in the horizontal plane Angle of anticipating rotation；There is the gear auxiliary driving of a pair of elevating arc transmissions in rotating mechanism, pass through the difference of big elevating arc, small elevating arc The number of teeth is set, and can be met precise requirements of the user to the cantilever beam rotary speed of crane, be avoided direct selection standard reductor It is general speed than and caused cantilever beam rotating speed and the larger error of actual demand；It is driven, can be made in rotating mechanism using elevating arc Drive device uses horizontal speed-reducer, reduces setting height(from bottom).

Running trolley (3) in the application can move back and forth in the top of girder along girder both ends, be suitable for large span car Between use；Running trolley both sides set safety hook (33) that cantilever beam can be avoided to overload and produce running trolley and upwarp, and ensure operation Dolly catches on girder siding track and not dropped, so as to ensure that crane is safe to use；Running trolley sets two sets of drive cars (32), can avoid single driving be possible to because dolly somewhat upwarp adhesion wheel not rail and caused by can't run phenomenon, ensure dolly Run smooth.

The application drive car structure is novel, and two adhesion wheels therein are connected directly between driving axle both sides and do not have to car Wheel group, reduce the spare and accessory parts such as transparent cover, the boring cover of traditional vehicle wheel group structure；Driving axle directly connects with three-in-one reductor, whole Individual driving device structure is simple, and spare and accessory parts are few；This drive device can using pre-assembly as kit, reducing motor, wheel, The components such as axletree, running axle stand are pre-assembled, or even Batch assemblage is good standby；Wait when needed, then this drive device with it is small Vehicle frame connects, or is welded to connect or bolt connection, improves efficiency, also allows for a whole set of replacing.

The lashed cable (123) chosen on electric frame (121) connection beside the cable and girder on running trolley in the application, electric power Power supply can be run back and forth with running trolley by lashed cable.

End carriage both sides in the application crane all set anti-tipple (11), crane can be avoided to tumble, and ensure safety；When When cantilever beam overloads, end carriage is while upwarp, and now the eave tile of anti-tipple (11) can catch on the upper of cart support rail beam (12) Cover plate Ji edge, avoid crane from tumbling and ensure safety.

Two sets car bumper devices (70) are connected on cantilever beam (51) in the application cantilever member, the buffer on car bumper device, Buffer limit electric block acts on；And the installation site of car bumper device is adjustable, its benefit is according to the goods size feelings lifted Condition, can flexible modulation car bumper device fixed position, its essence is regulation cantilever beam effective breadth, small tonnage amplitude can be big, greatly Tonnage is with by a small margin；Crane effectively is utilized, while ensures safety.

Bearing block and suspension rod axis connection in the application rotating mechanism bear gravity by thrust bearing, and thrust bearing is arranged on bearing block Top, it is easy to dismount；The inner hole structure of bearing block is simply easy to process；After stop nut A and suspension rod axis connection, then pass through spiral shell The connection of bolt (46), anti-loose effect is played, ensure rotating mechanism safety.

After the stop nut in cantilever member connection in the application connects with suspension rod axle thread, then there is locking plate (110) to be connected to Stop nut is with suspension rod axle spindle-end looseness-proof breach, avoiding stop nut from unclamping, securely and reliably；Blind hole on stop nut can be square Just lever inserts, and it is light to pull nut, easy disassembly and maintenance.

Brief description of the drawings

Fig. 1 is the application structural front view；

Fig. 2 is Fig. 1 side view；

Fig. 3 is Fig. 1 top view；

Fig. 4 is F partial enlarged drawings (rotating mechanism) in Fig. 1；

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

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

Fig. 7 is running trolley A-A sectional views in the application；

Fig. 8 is running trolley top view in the application；

Fig. 9 is cantilever member schematic diagram in the application；

Figure 10 is anti-tipple schematic diagram in the application；

Figure 11 is bus ring structural representation in the application；

Figure 12 is car bumper device schematic diagram in the application；

Figure 13 is safety hook schematic diagram in the application.

Embodiment

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

As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, a kind of cantilever crane with running trolley and bus ring, including Two end carriages, 1, two girder 2；Wherein it is provided with the outside of a girder and chooses electric frame 121, is chosen electric frame and be provided with moveable lashed cable 123； Track 21 is provided with above two girders, running trolley 3 is connected on track；The both ends of end carriage 1 are provided with anti-tipple 11；The lateral surface of the girder is provided with siding track 22；The lower section gap connection safety hook 33 of siding track, the safety hook are connected to On running trolley 3；The running trolley is provided with rotating mechanism 4；The rotating mechanism bottom bracket 41 is fixed on trolley frame 31 On；Suspension rod axle 42 is hollow shaft, and the suspension rod axle is connected through the bearing block center with thrust bearing 45；The thrust axis Hold the top for being connected to bearing block；It is connected above the thrust bearing with stop nut A44；The stop nut A and suspension rod axle Threaded connection, and pass through the diameter of stop nut A and suspension rod axle to connect by bolt 46 and loosen；Drive device 40 exports Axis connection small elevating arc 402, and the small elevating arc is connected with the big external toothing of elevating arc 403, and the big elevating arc, which is connected to, to be hung On bar axle 42；Suspension rod axle lower end is connected with cantilever member 5, upper end connection bus ring 9；On the cantilever beam of the cantilever member Connect electric block 10；Car bumper device 70 is connected on the cantilever beam and position is adjustable；The cantilever beam is in can under girder Operation outside workshop is stretched out, and random angle can be rotated in the horizontal plane.

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

As shown in fig. 6, the described center of stop nut 100 is provided with screw thread 101, described stop nut end face is provided with only Groove 102 is moved, two screws 103 are opened up on the locking groove, locking groove is used to connect locking plate, gone back on the stop nut external diameter Open up multiple blind holes 104 and conveniently pull nut for inserting lever.

As shown in Figure 7, Figure 8, described running trolley 3 includes 31, two sets of drive cars 32 of trolley frame；The dolly Frame 31 is welded into plate structure by steel plate and shaped steel combination；The trolley frame center is provided with assembling window 311 and is used for connection traversing mechanism, Trolley frame transverse side both sides are both provided with connecting seat 312, and connecting seat is provided with connecting hole 3121 and is used to connect safety hook；It is foregoing Two sets of drive cars 32 are connected to the both ends of trolley frame；Drive car 32 include " three-in-one " reductor 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 is connected with the both sides of driving axle 323；The driving axle both sides pass through key and institute respectively State adhesion wheel 322 to connect, and be connected by shaft block ring 326；The adhesion wheel is two-wheel edge；The active car One end of axle is connected with the hollow output shaft of above-mentioned " three-in-one " reductor；" three-in-one " reductor is connected on bearing 327； The bearing is welded on above-mentioned running axle stand 324；The running axle stand both sides are connected with buffer 33.

As shown in figure 9, described cantilever member 5 includes cantilever beam 51, Holder for hanging household utensiles 52；Described one setting connecting hole of Holder for hanging household utensiles 521, described connecting hole is interior to be provided with keyway 522, and the other end of Holder for hanging household utensiles 52 is welded on one end of the cantilever beam 51；Institute State cantilever beam to be made up of I-steel, or be made up of H profile steel, or the box girder structure welded by steel plate.

As shown in Figure 10, described anti-tipple 11 includes hooking seat 111, hooks body 112；The hook seat is provided with mounting hole 1111；Above-mentioned hook body is provided with eave tile 1121；The hook body is welded on the hook seat, and hooks seat vertically；Described Eave tile 1121 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 figure 11, described bus ring 9 includes interior insulation circle 91, outer insulator 92；Set on the interior insulation circle 91 There are the metallic conduction ring 911 and internal wiring terminal 912 of multipole, in the cable connection on the metallic conduction ring to internal wiring terminal；Institute Interior insulation circle 91 is stated to be fixed on suspension rod axle 42；The outer insulator 92 is provided with outer terminal 923, compression spring 921, Described compression spring one end is connected to carbon brush 922, in the cable connection on the carbon brush to outer terminal 923；The carbon brush Contact is touched with above-mentioned metallic conduction ring 911 and is connected；The outer insulator 92 is connected on trolley frame by fixed mount 93；Electricity Dynamic cucurbit cable 6 is connected on internal wiring terminal 912 by suspension rod axle endoporus.

As shown in figure 12, described car bumper device 70 includes left fixed seat 701, right fixed seat 702, buffer 703, described Left fixed seat and right fixed seat are casting or are process with steel plate, and left fixed seat symmetrically makes with both right fixed seats；It is described Right fixed seat side opens up clip slot 7021；Screwed hole 7022 is opened up above the clip slot；Connecting bolt and stop nut on screwed hole 704；Side opens up connecting hole 7023 below the clip slot；The right fixed seat opens up buffer peace on the side beside clip slot Fill hole 7024；Two buffers 703 are connected in above-mentioned left fixed seat and right fixed seat；The left fixed seat and the right side Fixed seat is connected on two sides Ji 211 of cantilever beam orbit by screw rod 705 and nut.

As shown in figure 13, described safety hook 33 includes hooking seat 331, hooks body 332；The hook seat is provided with mounting hole 3311 For being connected with trolley frame；Above-mentioned hook body is provided with eave tile 3321；Described hook body one end is welded on the hook seat, the hook seat water Put down upward；Described eave tile 3321 is connected with the lower section gap of siding track 22 on girder.

Claims

1. a kind of cantilever crane with running trolley and bus ring, including two end carriages (1), two girders (2)；Wherein It is provided with the outside of one girder and chooses electric frame (121), is chosen electric frame and be provided with moveable lashed cable (123)；Set above two girders There is track (21), running trolley (3) is connected on track；It is characterized in that：End carriage (1) both ends are provided with anti-dress of tumbling Put (11)；The lateral surface of the girder is provided with siding track (22)；The lower section gap connection safety hook (33) of siding track, the peace Complete link is connected on running trolley (3)；The running trolley is provided with rotating mechanism (4)；The rotating mechanism bottom bracket (41) It is fixed on trolley frame (31)；Suspension rod axle (42) is hollow shaft, and the suspension rod axle passes through the bearing block center and thrust axis Hold (45) connection；The thrust bearing is connected to the top of bearing block；Above the thrust bearing with stop nut A (44) even Connect；The stop nut A is connected with suspension rod axle thread, and the diameter of stop nut A and suspension rod axle is passed through by bolt (46) Connect and loosen；Drive device (40) output shaft is connected to small elevating arc (402), the small elevating arc and big elevating arc (403) External toothing is connected, and the big elevating arc is connected on suspension rod axle (42)；Suspension rod axle lower end is connected with cantilever member (5), upper end Connect bus ring (9)；Electric block (10) is connected on the cantilever beam of the cantilever member；Car bumper dress is connected on the cantilever beam Put (70) and position is adjustable；The cantilever beam is in operation outside extended workshop below girder, and can random angle in the horizontal plane Rotation.

A kind of 2. cantilever crane with running trolley and bus ring according to claim 1, it is characterised in that：It is described Running trolley (3) include trolley frame (31), two sets of drive cars (32)；The trolley frame (31) is by steel plate and type Steel Combination Welding is into plate structure；The trolley frame center is provided with assembling window (311), and trolley frame transverse side both sides are both provided with Connecting seat (312), connecting seat are provided with connecting hole (3121)；Foregoing two sets of drive cars (32) are connected to dolly The both ends of frame；Drive car (32) includes " three-in-one " reductor (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)；Institute Bearing bore diameter is stated to be connected with the driving axle (323) both sides；The driving axle both sides pass through key and the adhesion wheel respectively (322) connect, and be connected by shaft block ring (326)；The adhesion wheel is two-wheel edge；The driving axle One end is connected with the hollow output shaft of above-mentioned " three-in-one " reductor；" three-in-one " reductor is connected on bearing (327)； The bearing is welded on above-mentioned running axle stand (324)；The running axle stand both sides are connected with buffer (33).

A kind of 3. cantilever crane with running trolley and bus ring according to claim 1, it is characterised in that：It is described Cantilever member (5) include cantilever beam (51), Holder for hanging household utensiles (52)；The Holder for hanging household utensiles one sets connecting hole (521), described Connecting hole in be provided with keyway (522), Holder for hanging household utensiles (52) other end is welded on one end of the cantilever beam (51)；Institute State cantilever beam to be made up of I-steel, or be made up of H profile steel, or the box girder structure welded by steel plate.

A kind of 4. cantilever crane with running trolley and bus ring according to claim 1,3, it is characterised in that： Described cantilever member (5) is connected on the suspension rod axle (42) of rotating mechanism by flat key (49) and stop nut (100)； Described stop nut and suspension rod shaft end head are connected by bolt and locking plate (110) again.

A kind of 5. cantilever crane with running trolley and bus ring according to claim 4, it is characterised in that：It is described Stop nut (100) center be provided with screw thread (101), described stop nut end face is provided with locking groove (102), described Two screws (103) are opened up on locking groove, multiple blind holes (104) are also opened up on the stop nut external diameter.

A kind of 6. cantilever crane with running trolley and bus ring according to claim 1, it is characterised in that：It is described Anti- tipple (11) include hook seat (111), hook body (112)；The hook seat is provided with mounting hole (1111)；Above-mentioned hook Body is provided with eave tile (1121)；The hook body is welded on the hook seat, and hooks seat vertically；Described eave tile (1121) It is connected with cart support rail beam (12) upper cover plate (121) Ji Yuan lower surface gap.

A kind of 7. cantilever crane with running trolley and bus ring according to claim 1, it is characterised in that：It is described Bus ring (9) include interior insulation circle (91), outer insulator (92)；The interior insulation circle (91) is provided with the gold of multipole Belong to conducting ring (911) and internal wiring terminal (912), in the cable connection on the metallic conduction ring to internal wiring terminal；It is described interior exhausted Edge circle (91) is fixed on suspension rod axle (42)；The outer insulator (92) is provided with outer terminal (923), compression spring (921), described compression spring one end is connected to carbon brush (922), in the cable connection on the carbon brush to outer terminal (923)； The contact of the carbon brush is touched with above-mentioned metallic conduction ring (911) and is connected；The outer insulator (92) passes through fixed mount (93) It is connected on trolley frame；Electric block cable (6) is connected on internal wiring terminal (912) by suspension rod axle endoporus.

A kind of 8. cantilever crane with running trolley and bus ring according to claim 1, it is characterised in that：It is described Car bumper device (70) include left fixed seat (701), right fixed seat (702), buffer (703), the left fixed seat and Right fixed seat is casting or is process with steel plate, and left fixed seat symmetrically makes with both right fixed seats；The right fixed seat one Side opens up clip slot (7021)；Screwed hole (7022) is opened up above the clip slot；Connecting bolt and stop nut (704) on screwed hole； Side opens up connecting hole (7023) below the clip slot；The right fixed seat opens up buffer mounting hole on the side beside clip slot (7024)；Two buffers (703) are connected in above-mentioned left fixed seat and right fixed seat；The left fixed seat and Right fixed seat is connected on two sides Ji (211) of cantilever beam orbit by screw rod (705) and nut.

A kind of 9. cantilever crane with running trolley and bus ring according to claim 1, it is characterised in that：It is described Safety hook (33) include hook seat (331), hook body (332)；The hook seat is provided with mounting hole (3311)；Above-mentioned hook body is set There is eave tile (3321)；Described hook body one end is welded on the hook seat, and the hook seat level is upward；Described eave tile (3321) It is connected with gap below the siding track (22) on girder.