CN107915125A - A kind of cantilever crane with lifting truck and underslung trolley and balance beam - Google Patents

Abstract

This application discloses a kind of cantilever crane with lifting truck and underslung trolley and balance beam, 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；Lifting truck and underslung trolley are connected on girder lower track；Underslung trolley is equipped with the rotating mechanism with elevating arc transmission；Sunpender axis lower end in rotating mechanism is connected with cantilever member, upper end connection bus ring；Electric block is installed on cantilever member can simultaneously move 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 two cable wire rails of connection between electric frame, and moveable lashed cable is both provided with cable wire rail.

Description

A kind of cantilever crane with lifting truck and underslung trolley and balance beam

Technical field

This application involves crane field, more particularly to it is a kind of outstanding with lifting truck and underslung trolley and balance beam Boom crane.

Background technology

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

The content of the invention

The application purpose is to provide a kind of cantilever crane with lifting truck and underslung trolley and balance beam, described Crane is not only able in this workshop handling object up and down, additionally it is possible to through cart support rail beam lift by crane directly below this workshop across The cargo in outer next door place, also can be in this workshop in cart running track direction direct lifting cargo in place outdoors, it is not necessary to borrow Help other transporting equipments to transport, improve efficiency, and cargo can be unloaded the place for being placed on workshop needs, the crane can be in low room The workshop in face uses, and the cantilever beam rotating speed of the crane can accurately reach user demand, and can any angle in the horizontal plane Rotation；The crane can also facilitate handling elongate article.

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

A kind of cantilever crane with lifting truck and underslung trolley and balance beam, 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 102 one end connect band inner flange seat of balance beam, 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 equipped with track 21；The track It is made of I-steel or H profile steel；Weld car bumper 70 in the track both ends；A lifting truck is connected between two tracks 21 01 and a underslung trolley 3；The lifting truck 01 is equipped with hook type hoisting mechanism；The underslung trolley 3 is equipped with band and fans Gear-driven rotating mechanism 4；42 lower end of sunpender axis in the rotating mechanism is connected with cantilever member 5, upper end connection current collection Slip ring 9；Electric block 10 is installed, electric block can be moved back and forth along cantilever beam on the cantilever member 5；At the cantilever beam 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 Electric frame 121 is chosen in each connection one, is chosen described in two and two parallel cable wire rails 124 are connected between electric frame, on the cable wire rail all It is provided with moveable lashed cable 123.

Wherein, the rotating mechanism 4 include driving device 40, small elevating arc 402, big elevating arc 403, bearing block 41, Sunpender axis 42；The outside of bearing block 41 is fixedly connected on trolley frame 31；The sunpender axis 42 is hollow shaft, its lower end is equipped with Screw thread, threaded end open up locking notch 421；The middle part of sunpender axis 42 is equipped with the shaft shoulder 425；The lower end of the inner hole of bearing seat Branch sleeve 43；The sunpender axis is connected through 41 center of bearing block 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 sunpender axis；The driving device 40 It is composed of brake motor and horizontal speed-reducer, the driving device is fixed on trolley frame 31 by gear reducer bearing 401 On；The driving device output shaft is connected to small elevating arc 402, and the small elevating arc is connected with big 403 external toothing of elevating arc, The big elevating arc is connected on above-mentioned sunpender axis 42.

Wherein, the bus ring 9 can purchase electromechanical accessory, 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 sunpender axis 42, the electricity of conducting ring on interior insulation circle Cable is connected to electric block by hollow inside sunpender axis 42；Outer insulator is fixed by the bracket on trolley frame, external insulation Cable on body is connected with external power cord.

Wherein, the 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, the connecting hole is interior to be equipped with keyway 522；The Holder for hanging household utensiles other end is equipped 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 of I-steel, Or be made of H profile steel, or the box girder structure welded by steel plate, the cantilever beam both ends are equipped with buffing pad 511.

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

Wherein, the underslung trolley 3 includes trolley frame 31, driving mechanism 34, roller devices 35；The trolley frame is by steel Plate is welded or is welded by steel plate and shaped steel combination；The trolley frame both sides connect the driving mechanism described in two sets respectively 34；The driving mechanism is connected on trolley frame by balance plate 32 and axis pin 33；On the side of every set driving mechanism on trolley frame Side reconnects a roller devices 35；The roller devices are in immediately below track 21；The driving 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 in 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 gear reducer, motor output shaft band gear；It is described Motor 341 is connected in left hanging plate, and motor output shaft is connected with above-mentioned two driving wheel external toothing at the same time.

Wherein, the cart actuating device 8 includes wheel 81, axletree 82, inner flange seat 83, three-in-one gear reducer 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 inner wall of 102 two sides of balance beam；The axis of described 82 one end of axletree is stretched 821 and is connected with three-in-one gear reducer 84； Mounting hole on the three-in-one gear reducer is connected by bolt 87 with fixed seat 88；The fixed seat is connected to balance beam On 102.

Wherein, the 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, the 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 downward；Two horizontal wheels are separately positioned on the both sides of 601 tread of track, clearance fit；The level Wheel is connected by bearing 64, shaft retaining ring 65, hole baffle ring 66 with the wheel shaft 62；Two wheel shafts pass through 67 He of locking plate respectively It is bolted on above-mentioned bearing 63；Connection buffer 68 among the bearing；The bearing is equipped with end carriage connecting hole 69.

The beneficial effect of the application is as described below：

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

The cantilever beam of underslung trolley (3) can be stretched out between crane locomotive to outdoors or to next door workshop in the application crane Directly lift cargo；The next door workshop cargo of cart traffic direction endpoint can be not only lifted by crane, and cart operation can be lifted by crane The cargo in railway line side workshop；Since the cantilever beam of the application is arranged at below trolley and girder, cantilever beam can pass through support rail The direct lifting cargo in next door workshop is stretched into below beam, or can directly stretch out the workshop operation outdoors of cart traffic direction, because logical The door top in normal workshop can reach height where the support rail beam in this workshop substantially, therefore present techniques feature can realize the application Purpose；After lifting cargo, by movement of the electric block along cantilever beam, or the rotation by cantilever member, or pass through suspension The movement of trolley, or the movement by crane travelling mechanism, or by foregoing four integrated motion, can be lifting Cargo hangs onto the place of this workshop needs；Can not when carrying out cargo handing-over outdoors with the next door workshop of workshop surrounding or workshop The transhipment of other transporting equipments must be borrowed, improves efficiency.

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

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

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

Horizontal wheel apparatus in the application crane is installed 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, the wheel rim of horizontal wheels catches on running track at this time, 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 such combination supporting multigroup wheel of end carriage, can use the wheel group of small-wheel-diameter, make the sectional dimension of end carriage small, be 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, can be set to different length and different size Axis stretch, can be easily connected with exterior various forms of actuating units；The axis of the application axletree is stretched insertion hollow type three and is closed One gear reducer is attached thereto, whole driving 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 connect bolt and bear big axis It is good to pulling force, wheel alignment；The output shaft of the three-in-one gear reducer 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 Driving device, it is widely used, it is simple in structure 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 be moved back and forth along girder both ends, be suitable for big width workshop and used；Suspension Driving mechanism (34) on trolley can be in whole set procurement standarized component on the market, supporting facility；Driving wheel, quilt in driving 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 trolley side two sets of driving mechanisms of installation to be connected on same track, and roller devices are installed beside every set driving mechanism (35), its be advantageous in that can avoid single driving be possible to because trolley somewhat upwarp on one side adhesion wheel not the race that produces rail not Dynamic phenomenon, double drive ensure that trolley travelling is smooth；Roller devices can limit underslung trolley while the degree upwarped, ensures that suspension is small Car is stablized, 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), By adjusting the appropriate height for choosing electric frame, 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, can limit the operation stroke of underslung trolley, ensure safety.

The electric block cable (200) of the application crane is from the sunpender 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 of elevating arc transmission in rotating mechanism, pass through big elevating arc, small elevating arc The different numbers of teeth setting, can meet precise requirements of the user to the cantilever beam rotary speed of crane, avoid direct selection standard The cantilever beam rotating speed and the large error of actual demand that the general speed of gear reducer compares and produces；It is driven using elevating arc, rotation can be made Driving device in rotation mechanism uses horizontal speed-reducer, reduces setting height(from bottom).

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

The motor of driving device (40) in the application rotating mechanism is from brake device, and inertia rotates after avoiding parking, Stop so as to fulfill cantilever beam brake, 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 is connected with sunpender axle thread, then to have locking plate (110) to be connected to locking Nut is with sunpender axis spindle-end looseness-proof notch, avoiding stop nut from unclamping, securely and reliably；Blind hole on stop nut can facilitate thick stick Bar is inserted into, 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 the side view of Fig. 1；

Fig. 3 is the top view of Fig. 1；

Fig. 4 is F partial enlarged views (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 the side view of Fig. 7；

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 wheels apparatus structure front view in the application；

Figure 13 is the side view of Figure 12.

Embodiment

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

As shown in Figure 1, Figure 2, Figure 3 shows, a kind of cantilever crane with lifting truck and underslung trolley and balance beam, 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 102 one end connect band inner flange seat of balance beam, 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 equipped with track 21；It is described Track is made of I-steel or H profile steel；Weld car bumper 70 in the track both ends；A lifting is connected between two tracks 21 Trolley 01 and a underslung trolley 3；The lifting truck 01 is equipped with hook type hoisting mechanism；The underslung trolley 3 is equipped with Rotating mechanism 4 with elevating arc transmission；42 lower end of sunpender axis in the rotating mechanism is connected with cantilever member 5, upper end connection Bus ring 9；Electric block 10 is installed, electric block can be moved 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 on double girder bridge Respectively electric frame 121 is chosen in connection one to end carriage 1, and two parallel cable wire rails 124 of connection between electric frame, the cable wire rail are chosen described in two On be both provided with moveable lashed cable 123.

As shown in Figure 4, Figure 5, the rotating mechanism 4 include driving device 40, small elevating arc 402, big elevating arc 403, Bearing block 41, sunpender axis 42；The outside of bearing block 41 is fixedly connected on trolley frame 31；The sunpender axis 42 is hollow shaft, Its lower end is equipped with screw thread, and threaded end opens up locking notch 421；The middle part of sunpender axis 42 is equipped with the shaft shoulder 425；The bearing block The lower end branch sleeve 43 of endoporus；The sunpender axis is connected through 41 center of bearing block 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, and the stop nut A bands dust cover 441, prevents Loose nut A is connected with sunpender axle thread, then is connected by the diameter of bolt 46 through stop nut A and sunpender axis；It is described Driving device 40 be composed of brake motor and horizontal speed-reducer, the driving device is solid by gear reducer bearing 401 It is scheduled on trolley frame 31；The driving device output shaft is connected to small elevating arc 402, the small elevating arc and big elevating arc 403 external toothings connect, and the big elevating arc is connected on above-mentioned sunpender axis 42.

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

The bus ring 9 can purchase electromechanical accessory, 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 sunpender axis 42, and the cable of conducting ring leads on interior insulation circle That crosses inside sunpender axis 42 hollow is connected to electric block；Outer insulator is fixed by the bracket on trolley frame, on outer insulator Cable be connected with external power cord.

As shown in fig. 6, the cantilever member 5 includes cantilever beam 51, Holder for hanging household utensiles 52；The Holder for hanging household utensiles one sets connection Hole 521, the connecting hole is interior to be equipped with keyway 522；The Holder for hanging household utensiles other end is equipped 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 of H profile steel, or the box girder structure welded by steel plate, the cantilever beam both ends are equipped with buffing pad 511.

As shown in Fig. 7, Fig. 8, Fig. 9, the underslung trolley 3 includes trolley frame 31, driving 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 The driving mechanism 34；The driving mechanism is connected on trolley frame by balance plate 32 and axis pin 33；Every on trolley frame The side for covering driving 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 in 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 gear reducer, motor output shaft Band gear；The motor 341 is connected in left hanging plate, and motor output shaft is connected with above-mentioned two driving wheel external toothing at the same time.

As shown in Figure 10, the cart actuating device 8 includes wheel 81, axletree 82, inner flange seat 83, three-in-one subtracts 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 Axis 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 inner wall of 1 two sides of end carriage is not connected to；The axis of described 82 one end of axletree is stretched 821 and is connected with three-in-one gear reducer 84；Institute The mounting hole stated on three-in-one gear reducer is connected by bolt 87 with fixed seat 88；The fixed seat is connected in balance beam.

As shown in figure 11, the 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 a 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, the 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 downward；Two horizontal wheels are separately positioned on the both sides of 601 tread of track, and gap is matched somebody with somebody Close；The horizontal wheels are connected by bearing 64, shaft retaining ring 65, hole baffle 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 equipped with end Beam connecting hole 69.

Claims (8)

1. a kind of cantilever crane with lifting truck and underslung trolley and balance beam, 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) Equipped with track (21)；The track is made of I-steel or H profile steel；The track both ends welding car bumper (70)；Two rails A lifting truck (01) and a underslung trolley (3) are connected between road (21)；The lifting truck (01) is equipped with hook type Hoisting mechanism；The underslung trolley (3) is equipped with the rotating mechanism (4) with elevating arc transmission；Sunpender in the rotating mechanism Axis (42) lower end is connected with cantilever member (5), upper end connection bus ring (9)；Electric block is installed on the cantilever member (5) (10), electric block can be moved 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；Respectively electric frame (121), two institutes are chosen in connection one to two end carriages (1) on double girder bridge State to choose and two parallel cable wire rails (124) are connected between electric frame, moveable lashed cable (123) is both provided with the cable wire rail.

2. a kind of cantilever crane with lifting truck and underslung trolley and balance beam according to claim 1, it is special Sign is：The rotating mechanism (4) includes driving device (40), small elevating arc (402), big elevating arc (403), bearing block (41), sunpender axis (42)；The bearing block (41) is fixedly connected on trolley frame (31)；The sunpender axis (42) is hollow shaft, Its one end is equipped with screw thread, and threaded end opens up locking notch (421)；The shaft shoulder (425) is equipped with the middle part of the sunpender axis (42)；It is described The lower end branch sleeve (43) of inner hole of bearing seat；The sunpender axis 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, its upper strata is connected with stop nut A (44), the stop nut A Band dust cover (441), stop nut A is connected with sunpender axle thread, then passes through stop nut A and sunpender axis by bolt (46) Diameter connects；The driving device (40) is composed of brake motor and horizontal speed-reducer, the driving device It is fixed on by gear reducer bearing (401) on trolley frame (31)；The driving 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 sunpender axis (42) On.

3. a kind of cantilever crane with lifting truck and underslung trolley and balance beam according to claim 1, it is special Sign is：The 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 equipped with keyway (522) in the connecting hole；The Holder for hanging household utensiles other end is equipped 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 of I-steel, or by H profile steel Form, the cantilever beam both ends are equipped with buffing pad (511).

4. a kind of cantilever crane with lifting truck and underslung trolley and balance beam according to claim 1, it is special Sign is：The cantilever member (5) is connected to the sunpender axis (42) of rotating mechanism by flat key (49) and stop nut (100) On；The stop nut and sunpender shaft end head are connected by bolt and locking plate (110) again.

5. a kind of cantilever crane with lifting truck and underslung trolley and balance beam according to claim 1, it is special Sign is：The underslung trolley (3) includes trolley frame (31), driving 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 driving mechanism is connected on trolley frame by balance plate (32) and axis 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 driving 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 in 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 in left hanging plate, motor output shaft at the same time with above-mentioned two master Driving wheel external toothing connects.

6. a kind of cantilever crane with lifting truck and underslung trolley and balance beam according to claim 1, it is special Sign is：The cart actuating device (8) includes wheel (81), axletree (82), inner flange seat (83), three-in-one gear reducer (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 inner wall of (102) two sides of balance beam；The axis of described axletree (82) one end is stretched (821) It is connected with three-in-one gear reducer (84)；Mounting hole on the three-in-one gear reducer is connected by bolt (87) and fixed seat (88) Connect；The fixed seat (88) is connected in balance beam (102).

7. a kind of cantilever crane with lifting truck and underslung trolley and balance beam according to claim 1, it is special Sign is：The 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 axis 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. a kind of cantilever crane with lifting truck and underslung trolley and balance beam according to claim 1, it is special Sign is：The 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 downward；Two horizontal wheels are separately positioned on the both sides of track (601) tread, clearance fit；The water Flat wheel is connected by bearing (64), shaft retaining ring (65), hole baffle 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).