CN107777556A - It is a kind of with underslung trolley and balance beam and can random angle rotation crane - Google Patents

Abstract

This application discloses it is a kind of with underslung trolley and balance beam and can random angle rotation crane, including double girder bridge；Double girder bridge includes end carriage, girder；End carriage is formed by connecting by two balance beams and a middle connecting rod；Balance beam one end connects cart actuating device, and the other end connects passive wheel group；Two of end carriage respectively connects a set of horizontal wheel apparatus；Underslung trolley is connected on girder lower track；Underslung trolley is provided with the rotating mechanism with elevating arc transmission；Suspension rod axle lower end in rotating mechanism is connected with cantilever member, 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；Respectively electric frame is chosen in connection one to two end carriages on double girder bridge, and two are chosen connection cable wire rail between electric frame, and lashed cable is connected with cable wire rail.

Description

It is a kind of with underslung trolley and balance beam 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 balance beam 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 balance beam 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 balance beam 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 end carriage 1 is by two balance beams 102 and a middle connecting rod 101 are formed by connecting；The cart actuating device 8 of one end connect band inner flange seat of balance beam 102, the other end are connected by motor-car Wheel group 18；Two of the end carriage 1 respectively connects a set of horizontal wheel apparatus 6；The lower section of girder 2 is provided with track 21；The track Weld car bumper 70 in both ends；Underslung trolley 3 is connected on two tracks 21；The underslung trolley 3 is provided with band elevating arc and passed Dynamic rotating mechanism 4；The lower end of suspension rod axle 42 in the rotating mechanism is connected with cantilever member 5, 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 is in described Operation outside extended workshop below girder, and random angle can rotate in the horizontal plane；Two end carriages 1 on double girder bridge respectively connect One is chosen electric frame 121, and connection cable wire rail 124 between electric frame is chosen described in two, lashed cable 123 is connected on the cable wire rail.

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 outside of bearing block 41 is fixedly connected on trolley frame 31；The suspension rod axle 42 is hollow shaft, and its lower end is provided with Screw thread, threaded end open up locking breach 421；The middle part of suspension rod axle 42 is provided with the shaft shoulder 425；The lower end of the inner hole of bearing seat Branch sleeve 43；The suspension rod axle is connected through the center of bearing block 41 with thrust bearing 45, lower floor's connection of the thrust bearing On the top of bearing block, its upper strata is connected with stop nut A44, and the stop nut A bands dust cover 441, stop nut A is with hanging Bar axle thread connects, then is connected by the diameter of bolt 46 through stop nut A and suspension rod axle；Described drive device 40 Combined by brake motor and horizontal speed-reducer, described drive device is fixed on trolley frame 31 by reductor bearing 401 On；Described drive device output shaft is connected to small elevating arc 402, and the small elevating arc is connected with the big external toothing of elevating arc 403, The big elevating arc is connected on above-mentioned suspension rod axle 42.

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 hollow inside suspension rod axle 42；Outer insulator is fixed on trolley frame by support, external insulation Cable on body is connected with external power cord.

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 structure welded by steel plate, 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, 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, axletree 82, inner flange seat 83, three-in-one reductor 84, the tread of the wheel 81 is two-wheel edge, and the wheel is connected by flat key 85 with the axletree 82；The axletree leads to Two bearings 86 are crossed to be connected with two inner flange seats 83 respectively；The ring flange 831 of two inner flange seats 83 connects respectively It is connected on the inwall of 102 two sides of balance beam；The shaft extension 821 of described one end of axletree 82 is connected with three-in-one reductor 84； Fixing hole on the three-in-one reductor is connected by bolt 87 with fixed seat 88；The fixed seat is connected to balance beam On 102.

Wherein, described passive wheel group 18 includes wheel 181, axletree 182, inner flange seat 183, the wheel 181 It is connected on the axletree 182；The axletree both ends are designed with the shaft shoulder 1821；The both ends of the axletree 182 respectively connect One bearing 184；Bearing cap 185 is connected between the bearing and the above-mentioned shaft shoulder 1821；The bearing cap 185 and wheel 181 Between be connected to axle sleeve 186；The outer ring of two bearings 184 is connected on two inner flange seats 183；Two institutes The ring flange 1831 for stating inner flange seat is connected to the inner side of 102 two sides of balance beam by screw 187.

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.

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 two of end carriage, it is ensured that and rail is not gnawed in crane operation, It is especially suitable for large span crane；Horizontal wheels in horizontal wheel apparatus carry wheel rim, can serve " safety hook ", may be because outstanding Arm load beam is overweight, and for crane end carriage while upwarping, now the wheel rim of horizontal wheels catches on running track, avoids crane from tumbling, Ensure safety；Can be rotated in the same old way while horizontal wheels catch on track, crane can run advance in the same old way, this technology use than The safety hook of steel plate type is advanced, and stuck phenomenon does not occur for cart operation.

End carriage in the application crane connected using two balance beams (102) and a middle connecting rod (101) and Into, it is such to combine the supporting multigroup wheel of end carriage, the wheel group of small-wheel-diameter can be used, makes the sectional dimension of end carriage small, is configured to This is low, and can solve the problems, such as the small wheel load of crane large-tonnage.

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 letter of the application List, assembly and disassembly are convenient, and car wheel structure is simply easy to process；Independent wheel axis connection, it can be set to different length and different size Shaft extension, easily can be connected with outside various forms of actuating units；The shaft extension insertion hollow type three of the application axletree closes One reductor is attached thereto, whole drive mechanism small in volume；The ring flange of inner flange seat is connected to end carriage side inner walls Benefit be that can stand very big axial float inner flange seat all without departing from position, it is not necessary to connecting bolt bears big axle It is good to pulling force, wheel alignment；The output shaft of the three-in-one reductor of hollow type can be that parallel or horizontal direction is vertical with motor shaft Or vertical direction is vertical, according to space situation, different installation forms is selected, to be adapted to normal safe operation；The application Drive device, it is widely used, it is simple in construction without shaft coupling, from heavy and light, be convenient to mount and dismount, good concentricity, noise is small, operation Steadily.

Passive wheel group on the application end carriage is compact-sized, assembly and disassembly are easy；Car wheel structure is simply easy to process, by independence The positioning of bearing cap and axle sleeve to wheel, it is low to process these accessory costs；Car can be adjusted by adjusting the different-thickness of axle sleeve Rail problem is gnawed in the center of wheel, adjustment；The ring flange of inner flange seat be connected to benefit on the inside of end carriage can stand it is very big Axial float inner flange seat is all without departing from position, it is not necessary to which attachment screw bears big axial tension.

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 is by lashed cable (123) along choosing electric frame Upper cable wire rail (124) can run power supply back and forth with underslung trolley；Cable wire rail both ends are connected to two and choose electric frame (121), The appropriate height of electric frame is chosen by adjustment, lashed cable can be solved and most preferably hang position；Cable wire rail is to make track, cost using steel wire rope It is low.

Car bumper (70) on the application middle girder track, the operation stroke of underslung trolley can be limited, ensure safety.

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 is the gear auxiliary driving of a pair of elevating arc transmissions in rotating mechanism, pass through big elevating arc, small elevating arc The different numbers of teeth setting, precise requirements of the user to the cantilever beam rotary speed of crane can be met, avoid 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 using elevating arc, rotation can be made Drive device in rotation mechanism uses horizontal speed-reducer, reduces setting height(from bottom).

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；Sleeve (43) is that high-abrasive material makees sliding bearing Use, reduce the fit clearance of suspension rod axle, increase rotational stabilization, increase the axiality of drive 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.

The motor of drive device (40) in the application rotating mechanism is from brake device, and inertia rotates after avoiding parking, So as to realize that cantilever beam brake stops, ensure that electric hoist suspension hook point position is accurate on cantilever beam.

Cantilever beam in the application, which is provided at both ends with buffing pad, can avoid electric block from moving back and forth impact along cantilever beam Or overtravel；After stop nut in cantilever member connection connects with suspension rod axle thread, then to have locking plate (110) to be connected to locking 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 facilitate thick stick Bar 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 cantilever member schematic diagram in the application；

Fig. 7 is underslung trolley structural front view in the application；

Fig. 8 is Fig. 7 side view；

Fig. 9 is the G direction views (trolley driving mechanism) in Fig. 7；

Figure 10 is cart actuating device schematic diagram in the application；

Figure 11 is passive wheel group schematic diagram in the application；

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

Figure 13 is Figure 12 side view.

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 balance beam and can random angle rotation crane, including Double girder bridge 28；The double girder bridge includes end carriage 1, girder 2；The end carriage 1 is by two balance beams 102 and a middle company Extension bar 101 is formed by connecting；The cart actuating device 8 of one end connect band inner flange seat of balance beam 102, other end connection quilt Motor car wheel group 18；Two of the end carriage 1 respectively connects a set of horizontal wheel apparatus 6；The lower section of girder 2 is provided with track 21；It is described Weld car bumper 70 in track both ends；Underslung trolley 3 is connected on two tracks 21；The underslung trolley 3 is provided with band fan tooth Take turns the rotating mechanism 4 of transmission；The lower end of suspension rod axle 42 in the rotating mechanism is connected with cantilever member 5, and upper end connection current collection is slided 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 is in Operation outside extended workshop below the girder, and random angle can rotate in the horizontal plane；Two end carriages 1 on double girder bridge are each Electric frame 121 is chosen in connection one, and connection cable wire rail 124 between electric frame is chosen described in two, lashed cable 123 is connected on the cable wire 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 outside of bearing block 41 is fixedly connected on trolley frame 31；The suspension rod axle 42 is hollow shaft, Its lower end is provided with screw thread, and threaded end opens up locking breach 421；The middle part of suspension rod axle 42 is provided with the shaft shoulder 425；The bearing block The lower end branch sleeve 43 of endoporus；The suspension rod axle is connected through the center of bearing block 41 with thrust bearing 45, the thrust bearing Lower floor be connected to the top of bearing block, its upper strata is connected with stop nut A44, the stop nut A bands dust cover 441, is prevented Loose nut A is connected with suspension rod axle thread, then is connected by the diameter of bolt 46 through stop nut A and suspension rod axle；It is described Drive device 40 combined by brake motor and horizontal speed-reducer, described drive device is solid by reductor bearing 401 It is scheduled 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 That crosses inside suspension rod axle 42 hollow is connected to electric block；Outer insulator is fixed on trolley frame by support, on outer insulator Cable be connected with external power cord.

As shown in fig. 6, 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 structure welded by steel plate, the cantilever beam both ends are provided with buffing pad 511.

As shown in Fig. 7, Fig. 8, Fig. 9, 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 10, described cart actuating device 8 includes wheel 81, axletree 82, inner flange seat 83, three-in-one subtracted Fast machine 84, the tread of the wheel 81 is two-wheel edge, and the wheel is connected by flat key 85 with the axletree 82；The wheel Axle is connected with two inner flange seats 83 respectively by two bearings 86；The ring flange 831 of two inner flange seats 83 divides The inwall of 1 two sides of end carriage is not connected to；The shaft extension 821 of described one end of axletree 82 is connected with three-in-one reductor 84；Institute The fixing hole stated on three-in-one reductor is connected by bolt 87 with fixed seat 88；The fixed seat is connected in balance beam.

As shown in figure 11, described passive wheel group 18 includes wheel 181, axletree 182, inner flange seat 183, the car Wheel 181 is connected on the axletree 182；The axletree both ends are designed with the shaft shoulder 1821；The both ends of the axletree 182 are each Connect a bearing 184；Bearing cap 185 is connected between the bearing and the above-mentioned shaft shoulder 1821；The bearing cap 185 and wheel Axle sleeve 186 is connected between 181；The outer ring of two bearings 184 is connected on two inner flange seats 183；Two The ring flange 1831 of the individual inner flange seat is connected to the inner side of two sides of balance beam by screw 187.

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.

Claims (8)

1. it is a kind of with underslung trolley and balance beam 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 end carriage (1) is by two balance beams (102) and centre one Connecting rod (101) is formed by connecting；The cart actuating device (8) of described balance beam (102) one end connect band inner flange seat, it is another End connects passive wheel group (18)；Two of the end carriage (1) respectively connects a set of horizontal wheel apparatus (6)；Below the girder (2) Provided with track (21)；The track both ends welding car bumper (70)；Underslung trolley (3) is connected on two tracks (21)；Institute State underslung trolley (3) and be provided with the rotating mechanism (4) with elevating arc transmission；Suspension rod axle (42) lower end in the rotating mechanism with Cantilever member (5) connects, upper end connection bus ring (9)；Electric block (10), electronic calabash are installed on the cantilever member (5) Reed can move back and forth along cantilever beam；The cantilever beam is in operation outside extended workshop below the girder, and can be in level Random angle rotates on face；Respectively electric frame (121) is chosen in connection one for two end carriages (1) on double girder bridge, chosen described in two electric frame it Between connect cable wire rail (124), be connected to lashed cable (123) on the cable wire rail.

2. it is according to claim 1 it is a kind of with underslung trolley and balance beam 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 bearing block (41) is fixedly connected on trolley frame (31)；The suspension rod axle (42) is hollow shaft, Its one end is provided with screw thread, and threaded end opens up locking breach (421)；The shaft shoulder (425) is provided with the middle part of the suspension rod axle (42)；It is described The lower end branch sleeve (43) of inner hole of bearing seat；The suspension rod axle is connected through bearing block (41) center with thrust bearing (45), The lower floor of the thrust bearing is connected to the top of bearing block, and its upper strata is connected with stop nut A (44), the stop nut A Band dust cover (441), stop nut A is connected with suspension rod axle thread, then passes through stop nut A and suspension rod axle by bolt (46) Diameter connects；Described drive device (40) is combined by brake motor and horizontal speed-reducer, described drive device It is fixed on by reductor bearing (401) 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 balance beam 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, 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 balance beam 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 1 it is a kind of with underslung trolley and balance beam 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.

6. it is according to claim 1 it is a kind of with underslung trolley and balance beam and can random angle rotation crane, it is special Sign is：Described cart actuating device (8) includes wheel (81), axletree (82), inner flange seat (83), three-in-one reductor (84), the tread of the wheel (81) is two-wheel edge, and the wheel is connected by flat key (85) with the axletree (82)；It is described Axletree is connected with two inner flange seats (83) respectively by two bearings (86)；The method of two inner flange seats (83) Blue disk (831) is connected to the inwall of (102) two sides of balance beam；The shaft extension (821) of described axletree (82) one end It is connected with three-in-one reductor (84)；Fixing hole on the three-in-one reductor is connected by bolt (87) and fixed seat (88) Connect；The fixed seat (88) is connected in balance beam (102).

7. it is according to claim 1 it is a kind of with underslung trolley and balance beam and can random angle rotation crane, it is special Sign is：Described passive wheel group (18) includes wheel (181), axletree (182), inner flange seat (183), the wheel (181) it is connected on the axletree (182)；The axletree both ends are designed with the shaft shoulder (1821)；The axletree (182) Both ends respectively connect a bearing (184)；Bearing cap (185) is connected between the bearing and the above-mentioned shaft shoulder (1821)；The axle Hold and axle sleeve (186) is connected between lid (185) and wheel (181)；The outer ring of two bearings (184) is connected to two On the inner flange seat (183)；The ring flange (1831) of two inner flange seats is connected to balance by screw (187) The inner side of (102) two sides of end carriage.

8. it is according to claim 1 it is a kind of with underslung trolley and balance beam 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).