CN107777579A - It is a kind of with underslung trolley and Moveable bumper for overhead and can random angle rotation crane - Google Patents

Abstract

This application discloses it is a kind of with underslung trolley and Moveable bumper for overhead and can random angle rotation crane, including double girder bridge；Double girder bridge includes end carriage, girder；End carriage both ends are designed with cart actuating device and horizontal wheel apparatus；Track is provided with below girder；Track both ends connect car bumper device；Underslung trolley is connected on two tracks；Underslung trolley is provided with the rotating mechanism with elevating arc transmission；Suspension rod axle lower end connecting cantilever component in rotating mechanism, upper end connection bus ring；Electric block is installed on cantilever member and can be moved back and forth along cantilever beam；Cantilever beam is in below girder and can random angle rotation；Electric frame is chosen provided with some at the top of double girder bridge, connection below electric frame is chosen and leads cable rail；Lead and lashed cable is connected on cable rail, lashed cable one end and the electrical connection on underslung trolley.

Description

It is a kind of with underslung trolley and Moveable bumper for overhead and can random angle rotation crane

Technical field

The application is related to crane field, more particularly to a kind of band underslung trolley and Moveable bumper for overhead and can random angle rotate 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 dolly Upper hang carries out lifting goods, and dolly 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 post, the goods 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 goods 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 individual plane, can only now turn by other transporting equipments Fortune, generally drives workshop into by automobile and lifting goods is carried out under suspension hook, some cars are opened to come in this workshop and next door workshop Between laterally lay track, allow trolley special to reach suspension hook and get off to join goods, some is in workshop doorway (or workshop passageway) A special cantilever crane is set up, scheduling is transported through to the goods outside workshop, first goods is lifted up into and hung in this workshop crane The place that hook is got at, then again by crane this goods handling to the other stations in workshop, what is used under this operating mode shows There is bridge crane, can not directly join goods 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 be to provide it is a kind of with underslung trolley and Moveable bumper for overhead and can random angle rotation crane, it is described Lifting function lifts by crane goods of this workshop across outer next door place directly below by cart support rail beam, also can run rail in cart This workshop in road direction direct lifting cargo in place outdoors, it is not necessary to transported by other transporting equipments, improve efficiency, and can be goods Thing unloads the place for being placed on workshop needs, and the crane can use in the workshop of low roofing, the cantilever beam rotating speed of the crane It can accurately reach user's request, and can Arbitrary Rotation in the horizontal plane.

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

It is a kind of with underslung trolley and Moveable bumper for overhead and can random angle rotation crane, including double girder bridge 28；It is described double Beam bridge frame includes end carriage 1, girder 2；It is characterized in that：The both ends of end carriage 1 are designed with the cart driving dress with hollow flange axle Put 8 and horizontal wheel apparatus 6；The lower section of girder 2 is provided with track 21；The track both ends connect car bumper device 70；Described in two Underslung trolley 3 is connected on track 21；The underslung trolley 3 is provided with the rotating mechanism 4 with elevating arc transmission；The whirler The lower end connecting cantilever component 5 of suspension rod axle 42 in structure, upper end connection bus ring 9；Electric block is installed on the cantilever member 5 10, electric block can move back and forth along cantilever beam；The cantilever beam is in operation outside extended workshop below the girder, and Random angle it can rotate in the horizontal plane；Electric frame 121 is chosen provided with some at the top of the double girder bridge, connection below electric frame is chosen and leads cable rail 124；Described lead connects moveable lashed cable 123 on cable rail.

Wherein, described bus ring 9 can purchase electromechanical accessory, and it includes interior insulation circle, outer insulator, interior insulation circle with It can be rotated between outer insulator and can be mutually conductive；Interior insulation circle is connected on suspension rod axle 42, the electricity of conducting ring on interior insulation circle Cable is connected to electric block by the hollow hole inside suspension rod axle 42；Outer insulator is fixed on trolley frame by support, outer exhausted Cable on edge body is connected with external power cord.

Wherein, described rotating mechanism 4 include drive device 40, small elevating arc 402, big elevating arc 403, bearing block 41, Suspension rod axle 42；The suspension rod axle is quill shaft, and its one end is provided with screw thread, and threaded end opens up locking breach 421；The suspension rod axle It is connected to by thrust bearing 45 inside the bearing block 41, the suspension rod axle reconnects bearing A44 and bearing B46, the axle Hold the both ends that A and bearing B are connected to above-mentioned bearing block by bolt and fixed cover 43 and blind flange 47 respectively, described suspension rod axle One end is stretched from the fixed cover center, and the other end is stretched from above-mentioned blind flange center；The bearing block 41 is connected to small On vehicle frame 31；Described drive device 40 is combined by motor and horizontal speed-reducer, and described drive device is arranged on dolly On frame 31；Described drive device output shaft is connected to small elevating arc 402, the small elevating arc and the big external toothing of elevating arc 403 Connection, the big elevating arc are connected on above-mentioned suspension rod axle 42.

Wherein, 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；The Holder for hanging household utensiles other end is provided with operation window 523 and is used to operate connection anti-loose spiral shell It is female；The operation window of the Holder for hanging household utensiles 52 this be welded on one end of the cantilever beam 51；The cantilever beam is made up of I-steel, Or be made up of H profile steel, or the box-girder welded by steel plate is formed, the cantilever beam both ends are provided with buffing pad 511.

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

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

Wherein, described underslung trolley 3 includes trolley frame 31, drive mechanism 34, roller devices 35；The trolley frame is by steel Plate weld is formed or is welded by steel plate and shaped steel combination；The trolley frame both sides connect the drive mechanism described in two sets respectively 34；The drive mechanism is connected on trolley frame by balance plate 32 and bearing pin 33；On the side of every set drive mechanism on trolley frame Side reconnects a roller devices 35；The roller devices are in immediately below track 21；The drive mechanism 34 includes motor 341st, two driving wheels, 342, two followers 343, band gear on driving wheel single-wheel edge and wheel rim, follower band single-wheel edge；Institute State two driving wheels to be connected on left hanging plate 344, described two followers are connected on right hanging plate 345；The left hanging plate and the right side Hanging plate is connected by two studs and nut 346；Above-mentioned motor 341 carries reductor, motor output shaft band gear；It is described Motor 341 is connected on left hanging plate, and motor output shaft is connected with above-mentioned two driving wheel external toothing simultaneously.

Wherein, described cart actuating device 8 includes wheel 81, reducing motor 83, and the wheel is two-wheel edge, described Inside wheel is provided with spline tooth 811, and the described both sides of wheel 81 are connected by bearing 82 and flange shaft 84, hollow flange axle 85 respectively Connect, the ring flange of described flange shaft 84 and hollow flange axle 85 is connected to the both sides of end carriage 1；The outer ring of bearing 82 leads to Back-up ring 86 is crossed to be fixed on the wheel；The ring flange 851 of above-mentioned hollow flange axle 85 is provided with motor connection screw 852；Institute Reducing motor 83 is stated to be connected with above-mentioned wheel inner spline gear 811 with splined output shaft 831；In flange seat on the reducing motor Positioning concave ring 832 inlayed with the external diameter of ring flange 851 in hollow flange axle and be connected and fastened by screw.

Wherein, described horizontal wheel apparatus 6 includes horizontal wheels 61, wheel shaft 62, bearing 63, described horizontal wheels one side belt wheel Edge, and wheel rim is installed down；Two horizontal wheels are separately positioned on the both sides of the tread of track 601, and gap coordinates；The level Wheel is connected by bearing 64, shaft retaining ring 65, hole back-up ring 66 with the wheel shaft 62；Two wheel shafts pass through the He of locking plate 67 respectively It is bolted on above-mentioned bearing 63；Connection buffer 68 among the bearing；The bearing is provided with end carriage connecting hole 69.

Wherein, described car bumper device 70 includes fixed seat 701, buffer 702, and the fixed seat is by the steel plate side of being welded into Shape is made by rectangular steel tube；The fixed seat side opens up clip slot 7011；Welding steel 7012 above the clip slot, Screwed hole 7013 is opened up on steel plate；Connecting bolt and stop nut 703 on screwed hole；Side opens up connecting hole below the clip slot 7014；The fixed seat opens up buffer mounting hole 7015 on the side beside clip slot；Two buffers 702 connect respectively It is connected in two fixed seats 701；Two fixed seats are connected to two of track 21 by screw rod 704 and nut On side Ji 211.

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 Thing；The next door workshop goods of cart traffic direction end points can be not only lifted by crane, and cart running track line side can be lifted by crane The goods in workshop；Because the cantilever beam of the application is arranged at below dolly and girder, cantilever beam can be by stretching into below support rail beam The direct lifting cargo in next door workshop, or the workshop operation outdoors of cart traffic direction can be directly stretched out, because the generally door in workshop Top can reach height where the support rail beam in this workshop substantially, therefore present techniques feature can realize the application purpose；Lifting After goods, pass through motion of the electric block along cantilever beam, or the rotation by cantilever member, or the shifting for passing through underslung trolley It is dynamic, or the motion by crane travelling mechanism, or by foregoing four integrated motion, the goods of lifting can be hung The place needed to this workshop；It can need not be borrowed when carrying out goods handing-over outdoors with the next door workshop of workshop surrounding or workshop The transhipment of its transporting equipment, improve efficiency.

Trolley track (21) is set below the girder in the application crane, and underslung trolley is suspended on girder track, made Its installing space position reduces, and is particularly suitable for roofing with crane apart from small workshop.

Horizontal wheel apparatus in the application crane is arranged on the both ends of every end carriage, it is ensured that crane operation is not gnawed Rail, it is especially suitable for large span crane；Horizontal wheels in horizontal wheel apparatus carry wheel rim, can serve " safety hook ", may Because of cantilever beam load exceedance, for crane end carriage while upwarping, now the wheel rim of horizontal wheels catches on running track, avoids crane from inclining Turn over, ensure safety；It can be rotated in the same old way while horizontal wheels catch on track, crane can run advance in the same old way, and this technology makes With more advanced than the safety hook of steel plate type, stuck phenomenon does not occur for cart operation.

End carriage both ends in the application crane all set cart actuating device, ensure that cart operation is smooth, avoid unilateral Because end carriage may upwarp during driving, driving wheel not rail produce idle running phenomenon；Cart actuating device (8) structure of the application is new It is clever, compact, assembly and disassembly it is convenient；Hollow flange axle is hollow, and drive shaft passes therethrough；Ring flange (851) on hollow flange axle Both it had been used to connect end carriage, and had been used to connect reducing motor again, positions reducing motor；The output shaft of reducing motor passes through hollow flange axle Hollow hole is connected with wheel spline pair and directly drives wheel；Positioning concave ring on reducing motor is snugly connected to hollow In the flange external diameter of flange shaft, the connecting hole on reducing motor flange seat passes through with the motor connection screw on hollow flange axle Bolt is tightly coupled together；The reducing motor of this structure is especially adapted to planetary reduction gear, and structure is small, and noise is small；So slow down electricity Connect not only simple but also firmly between machine and wheel, axiality is good, takes up space small, ensures that wheel steadily operates, operate it is with small vibration, Noise is small.

Underslung trolley (3) in the application can move back and forth along girder both ends, be suitable for big width workshop and use；Suspension Drive mechanism (34) on dolly can be in whole set procurement standarized component on the market, supporting facility；Driving wheel, quilt in drive mechanism Driving wheel is connected on the edge of track (21) both sides Ji, ensures that underslung trolley does not drop, so as to ensure that crane is safe to use；It is outstanding Hang dolly side two sets of drive mechanisms of installation to be connected on same track, and roller devices are installed beside every set drive mechanism (35), its be advantageous in that can avoid single driving be possible to because dolly somewhat upwarp on one side adhesion wheel not rail and caused by run not Dynamic phenomenon, dual drive ensure that trolley travelling is smooth；Roller devices can limit underslung trolley while the degree upwarped, ensures that suspension is small Car is stable, and operation is smooth；Power supply needed for underslung trolley and electric block and rotating mechanism can be with underslung trolley by lashed cable Operation power supply back and forth；Gantry top has a plurality of electric frame (121) of choosing to lead the connection of cable rail, keeps leading the rigidity of cable rail, it is ensured that lashed cable Coaster slides smooth in cable rail is led.

Car bumper device (70) on the application middle girder track is flexibly connected in orbit, and welding is solid when not being processing and manufacturing It is fixed, but during in-site installation, fixed according to field condition bolt；Its benefit allows underslung trolley to be run on crane runway The stroke that position allows according to workshop condition selects the link position of car bumper device, and Field adjustment position is welded without gas cutting, is protected Card underslung trolley is rightly blocked by car bumper upper bumper, reduces impact, increase trolley travelling safety；The connection position of car bumper Put flexibly, position is adjustable, and environmental suitability is stronger；Two fixed seats (701) left and right in car bumper device can be general, fixed seat It is welded by steel plate or is made by rectangular steel tube, selection is simple, easy to make.

The electric block cable (200) of the application crane is from the suspension rod axis center in rotating mechanism by being connected to collection Electric slip ring (9), cable (200), which will not be wound, not to be torn, is not required to set rotary limit device, ensures that cantilever beam can be in level Arbitrary Rotation on face；There are a pair of elevating arc auxiliary driving in the rotating mechanism of the application, pass through big elevating arc, small elevating arc Different number of teeth settings, can meet precise requirements of the user to the cantilever beam rotary speed of crane, avoid selection standard reductor It is general speed than and caused cantilever beam rotating speed and the larger error of actual demand；It is driven using elevating arc, rotating mechanism can be made In drive device use horizontal speed-reducer, it is easy for installation, can be directly installed on trolley frame, and it is high to reduce installation Degree.

Bearing block and suspension rod axis connection in the application rotary mechanism of crane bear lifting power, suspension rod axle by thrust bearing By the spacing firmly radial position of bearing A and above and below bearing B, ensure that suspension rod axle can bear very big axial force and not offset radially, from And ensureing that drive device axiality is good, hinged cantilever component is laborsaving；Cantilever beam, which is provided at both ends with buffing pad, can avoid electric block Impact or overtravel are moved back and forth along cantilever beam；After stop nut in cantilever member connection connects with suspension rod axle thread, then There is locking plate (110) to be connected to stop nut with suspension rod axle spindle-end looseness-proof breach, avoiding stop nut from unclamping, securely and reliably； Blind hole on stop nut can facilitate lever to insert, 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 cantilever member schematic diagram in the application；

Fig. 8 is underslung trolley structural front view in the application；

Fig. 9 is Fig. 8 side view；

Figure 10 is the G direction views (trolley driving mechanism) in Fig. 8；

Figure 11 is cart actuating device schematic diagram in the application；

Figure 12 is horizontal wheel apparatus structural front view in the application；

Figure 13 is Figure 12 side view；

Figure 14 is car bumper device 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, Figure 3 shows, it is a kind of with underslung trolley and Moveable bumper for overhead and can random angle rotation crane, including Double girder bridge 28；The double girder bridge includes end carriage 1, girder 2；The both ends of end carriage 1 are designed with the cart with hollow flange axle Drive device 8 and horizontal wheel apparatus 6；The lower section of girder 2 is provided with track 21；The track both ends connect car bumper device 70；Two Underslung trolley 3 is connected to described in bar on track 21；The underslung trolley 3 is provided with the rotating mechanism 4 with elevating arc transmission；It is described The lower end connecting cantilever component 5 of suspension rod axle 42 in rotating mechanism, upper end connection bus ring 9；Electricity is installed on the cantilever member 5 Dynamic cucurbit 10, electric block can move back and forth along cantilever beam；The cantilever beam is in below the girder outside extended workshop Operation, and random angle can rotate in the horizontal plane；Electric frame 121 is chosen provided with some at the top of the double girder bridge, chooses and connects below electric frame Connect and lead cable rail 124；Described lead connects moveable lashed cable 123 on cable rail.

As shown in Figure 4, Figure 5, described rotating mechanism 4 include drive device 40, small elevating arc 402, big elevating arc 403, Bearing block 41, suspension rod axle 42；The suspension rod axle is quill shaft, and its one end is provided with screw thread, and threaded end opens up locking breach 421； The suspension rod axle is connected to inside the bearing block 41 by thrust bearing 45, and the suspension rod axle reconnects bearing A44 and bearing B46, the bearing A and bearing B are connected to the both ends of above-mentioned bearing block, institute by bolt and fixed cover 43 and blind flange 47 respectively The suspension rod axle one end stated is stretched from the fixed cover center, and the other end is stretched from above-mentioned blind flange center；The bearing block 41 are connected on trolley frame 31；Described drive device 40 is combined by motor and horizontal speed-reducer, described drive device On trolley frame 31；Described drive device output shaft is connected to small elevating arc 402, the small elevating arc and big elevating arc 403 external toothings are connected, and the big elevating arc is connected on above-mentioned suspension rod axle 42.

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

Described bus ring 9 can purchase electromechanical accessory, and it includes interior insulation circle, outer insulator, interior insulation circle with it is outer absolutely It can be rotated between edge body and can be mutually conductive；Interior insulation circle is connected on suspension rod axle 42, and the cable of conducting ring leads on interior insulation circle The hollow hole crossed inside suspension rod axle 42 is connected to electric block；Outer insulator is fixed on trolley frame by support, outer insulator On cable be connected with external power cord.

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 Locking groove 102, opens up two screws 103 on the locking groove, and locking groove is used to connecting locking plate, on the stop nut external diameter Also open up multiple blind holes 104 and conveniently pull nut for inserting lever.

As shown in fig. 7, described cantilever member 5 includes cantilever beam 51, Holder for hanging household utensiles 52；The Holder for hanging household utensiles one sets connection Hole 521, described connecting hole is interior to be provided with keyway 522；The Holder for hanging household utensiles other end is provided with operation window 523 and is used to operate connection anti-loose Nut；The operation window of the Holder for hanging household utensiles 52 this be welded on one end of the cantilever beam 51；The cantilever beam is by I-steel structure Into, or be made up of H profile steel, or the box-girder welded by steel plate is formed, the cantilever beam both ends are provided with buffing pad 511.

As shown in Fig. 8, Fig. 9, Figure 10, described underslung trolley 3 includes trolley frame 31, drive mechanism 34, roller devices 35； The trolley frame is welded by steel plate or is welded by steel plate and shaped steel combination；The trolley frame both sides connect two sets respectively Described drive mechanism 34；The drive mechanism is connected on trolley frame by balance plate 32 and bearing pin 33；Every on trolley frame The side for covering drive mechanism reconnects a roller devices 35；The roller devices are in immediately below track 21；The driving machine Structure 34 includes 341, two, the motor follower 343 of driving wheel 342, two, band gear, follower on driving wheel single-wheel edge and wheel rim Band single-wheel edge；Described two driving wheels are connected on left hanging plate 344, and described two followers are connected on right hanging plate 345；It is described Left hanging plate is connected with right hanging plate by two studs and nut 346；Above-mentioned motor 341 carries reductor, motor output shaft Band gear；The motor 341 is connected on left hanging plate, and motor output shaft is connected with above-mentioned two driving wheel external toothing simultaneously.

As shown in figure 11, described cart actuating device 8 includes wheel 81, reducing motor 83, and the wheel is two-wheel edge, Described inside wheel is provided with spline tooth 811, and the described both sides of wheel 81 pass through bearing 82 and flange shaft 84, hollow flange respectively Axle 85 connects, and the ring flange of described flange shaft 84 and hollow flange axle 85 is connected to the both sides of end carriage 1；The bearing 82 Outer ring is fixed on the wheel by back-up ring 86；The ring flange 851 of above-mentioned hollow flange axle 85 is provided with motor connection screw 852；The reducing motor 83 is connected with splined output shaft 831 with above-mentioned wheel inner spline gear 811；Method on the reducing motor Positioning concave ring 832 in blue seat is inlayed with the external diameter of ring flange 851 in hollow flange axle to be connected and is fastened by screw.

As shown in Figure 12 and Figure 13, described horizontal wheel apparatus 6 includes horizontal wheels 61, wheel shaft 62, bearing 63, the level Wheel is on one side with wheel rim, and wheel rim is installed down；Two horizontal wheels are separately positioned on the both sides of the tread of track 601, and gap is matched somebody with somebody Close；The horizontal wheels are connected by bearing 64, shaft retaining ring 65, hole back-up ring 66 with the wheel shaft 62；Two wheel shafts lead to respectively Cross locking plate 67 and be bolted on above-mentioned bearing 63；Connection buffer 68 among the bearing；The bearing is provided with end Beam connecting hole 69.

As shown in figure 14, described car bumper device 70 includes fixed seat 701, buffer 702, and the fixed seat is welded by steel plate It is connected into square shape or is made by rectangular steel tube；The fixed seat side opens up clip slot 7011；Welding steel above the clip slot Plate 7012, screwed hole 7013 is opened up on steel plate；Connecting bolt and stop nut 703 on screwed hole；Side is opened below the clip slot If connecting hole 7014；The fixed seat opens up buffer mounting hole 7015 on the side beside clip slot；Two buffers 702 are connected in two fixed seats 701；Two fixed seats are connected to rail by screw rod 704 and nut On two sides Ji 211 in road 21.

Claims (9)

1. it is a kind of with underslung trolley and Moveable bumper for overhead and can random angle rotation crane, including double girder bridge (28)；It is described double Beam bridge frame includes end carriage (1), girder (2)；It is characterized in that：End carriage (1) both ends are designed with the cart with hollow flange axle Drive device (8) and horizontal wheel apparatus (6)；Track (21) is provided with below the girder (2)；The track both ends connection car bumper dress Put (70)；Underslung trolley (3) is connected on two tracks (21)；The underslung trolley (3) is provided with band elevating arc and is driven Rotating mechanism (4)；Suspension rod axle (42) lower end connecting cantilever component (5) in the rotating mechanism, upper end connection bus ring (9)；Electric block (10) is installed, electric block can move back and forth along cantilever beam on the cantilever member (5)；The cantilever beam The operation outside extended workshop below the girder, and random angle can rotate in the horizontal plane；Set at the top of the double girder bridge Have it is some choose electric frame (121), choose below electric frame connection and lead cable rail (124)；Described lead connects moveable lashed cable on cable rail (123)。

2. it is according to claim 1 it is a kind of with underslung trolley and Moveable bumper for overhead and can random angle rotation crane, it is special Sign is：Described rotating mechanism (4) includes drive device (40), small elevating arc (402), big elevating arc (403), bearing block (41), suspension rod axle (42)；The suspension rod axle is quill shaft, and its one end is provided with screw thread, and threaded end opens up locking breach (421)； The suspension rod axle is connected to the bearing block (41) inside by thrust bearing (45), and the suspension rod axle reconnects bearing A (44) With bearing B (46), the bearing A and bearing B are connected to above-mentioned axle by bolt and fixed cover (43) and blind flange (47) respectively The both ends of bearing, described suspension rod axle one end are stretched from the fixed cover center, and the other end stretches out from above-mentioned blind flange center Come；The bearing block (41) is connected on trolley frame (31)；Described drive device (40) is combined by motor with horizontal speed-reducer Form, described drive device is arranged on trolley frame (31)；Described drive device output shaft is connected to small elevating arc (402), the small elevating arc is connected with big elevating arc (403) external toothing, and the big elevating arc is connected to above-mentioned suspension rod axle (42) On.

3. it is according to claim 1 it is a kind of with underslung trolley and Moveable bumper for overhead and can random angle rotation crane, it is special Sign is：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), it is provided with keyway (522) in described connecting hole；The Holder for hanging household utensiles other end is provided with operation window (523)；The Holder for hanging household utensiles (52) this head of operation window is welded on one end of the cantilever beam (51)；The cantilever beam is made up of I-steel, or by H profile steel Form, or the box-girder welded by steel plate is formed, the cantilever beam both ends are provided with buffing pad (511).

4. it is according to claim 1 it is a kind of with underslung trolley and Moveable bumper for overhead and can random angle rotation crane, it is special Sign is：Described cantilever member (5) is connected to the suspension rod axle (42) of rotating mechanism by flat key (49) and stop nut (100) On；Described stop nut and suspension rod shaft end head are connected by bolt and locking plate (110) again.

5. it is according to claim 4 it is a kind of with underslung trolley and Moveable bumper for overhead and can random angle rotation crane, it is special Sign is：Described stop nut (100) center 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, multiple blind holes (104) are also opened up on the stop nut external diameter.

6. it is according to claim 1 it is a kind of with underslung trolley and Moveable bumper for overhead and can random angle rotation crane, it is special Sign is：Described underslung trolley (3) includes trolley frame (31), drive mechanism (34), roller devices (35)；The trolley frame by Steel plate is welded or is welded by steel plate and shaped steel combination；The trolley frame both sides connect the driving machine described in two sets respectively Structure (34)；The drive mechanism is connected on trolley frame by balance plate (32) and bearing pin (33)；In every set driving on trolley frame The side of mechanism reconnects a roller devices (35)；The roller devices are in immediately below track (21)；The drive mechanism (34) motor (341), two driving wheels (342), two followers (343) are included, band gear on driving wheel single-wheel edge and wheel rim, Follower band single-wheel edge；Described two driving wheels are connected on left hanging plate (344), and described two followers are connected to right hanging plate (345) on；The left hanging plate is connected with right hanging plate by two studs and nut (346)；Above-mentioned motor (341), which carries, to be subtracted Fast machine, motor output shaft band gear；The motor (341) is connected on left hanging plate, motor output shaft simultaneously with above-mentioned two master Driving wheel external toothing connects.

7. it is according to claim 1 it is a kind of with underslung trolley and Moveable bumper for overhead and can random angle rotation crane, it is special Sign is：Described cart actuating device (8) includes wheel (81), reducing motor (83), and the wheel is two-wheel edge, described Inside wheel is provided with spline tooth (811), and described wheel (81) both sides pass through bearing (82) and flange shaft (84), hollow method respectively The ring flange of blue axle (85) connection, described flange shaft (84) and hollow flange axle (85) is connected to the both sides of end carriage (1)； Bearing (82) outer ring is fixed on the wheel by back-up ring (86)；The ring flange (851) of above-mentioned hollow flange axle (85) It is provided with motor connection screw (852)；Reducing motor (83) the band splined output shaft (831) and above-mentioned wheel inner spline gear (811) connect；Positioning concave ring (832) in flange seat on the reducing motor and the ring flange (851) in hollow flange axle External diameter, which is inlayed, to be connected and is fastened by screw.

8. it is according to claim 1 it is a kind of with underslung trolley and Moveable bumper for overhead and can random angle rotation crane, it is special Sign is：Described horizontal wheel apparatus (6) includes horizontal wheels (61), wheel shaft (62), bearing (63), described horizontal wheels one side belt wheel Edge, and wheel rim is installed down；Two horizontal wheels are separately positioned on the both sides of track (601) tread, and gap coordinates；The water Flat wheel is connected by bearing (64), shaft retaining ring (65), hole back-up ring (66) with the wheel shaft (62)；Two wheel shafts pass through respectively Locking plate (67) and it is bolted on above-mentioned bearing (63)；Connection buffer (68) among the bearing；Set on the bearing There is end carriage connecting hole (69).

9. it is according to claim 1 it is a kind of with underslung trolley and Moveable bumper for overhead and can random angle rotation crane, it is special Sign is：Described car bumper device (70) includes fixed seat (701), buffer (702), and the fixed seat is by the steel plate side of being welded into Shape is made by rectangular steel tube；The fixed seat side opens up clip slot (7011)；Welding steel above the clip slot (7012) screwed hole (7013), is opened up on steel plate；Connecting bolt and stop nut (703) on screwed hole；The clip slot lower side Face opens up connecting hole (7014)；The fixed seat opens up buffer mounting hole (7015) on the side beside clip slot；Two institutes Buffer (702) is stated to be connected on two fixed seats (701)；Two fixed seats pass through screw rod (704) and spiral shell Mother is connected on two sides Ji (211) of track (21).