CN107954323A - A kind of band lifting truck and the adjustable cantilever crane in cantilever beam car bumper position - Google Patents

Abstract

This application discloses a kind of band lifting truck and the adjustable cantilever crane in cantilever beam car bumper position, including two end carriages, two girders, it forms portal structure；Wherein it is equipped with the outside of a girder and chooses electric frame and lashed cable；A lifting truck and a running trolley are connected on track above girder；The both ends of end carriage are both provided with cart actuating device and anti-tipple；The top of girder medial surface sets a rail parallel to above-mentioned track, and rail tread is downward；Respectively two sets of anti-roller devices of connection, anti-roller devices are overlapped on rail for running trolley both sides；Running trolley is equipped with rotating mechanism；Sunpender axis in rotating mechanism is connected with cantilever member；Cantilever beam installation electric block on cantilever member can simultaneously be moved back and forth along outrigger horizontal；Cantilever beam, which is under girder, can stretch out operation outside workshop and can simultaneously rotate；Car bumper device is connected on cantilever beam and position is adjustable.

Description

A kind of band lifting truck and the adjustable cantilever crane in cantilever beam car bumper position

Technical field

This application involves crane field, more particularly to one kind are adjustable outstanding with lifting truck and cantilever beam car bumper position 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 band lifting truck and the adjustable cantilever crane in cantilever beam car bumper position, described Crane is not only able in this workshop handling object up and down, additionally it is possible to by cart support rail beam directly below this workshop of handling across The cargo in outer next door place, also can be in this workshop in cart running track direction direct lift cargo in place outdoors, it is not necessary to borrow Other transporting equipments are helped to transport；The crane can also facilitate handling elongate article；The crane is not tumbled, trolley travelling It is smooth not block, securely and reliably.

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

A kind of band lifting truck and the adjustable cantilever crane in cantilever beam car bumper position, including two end carriages, 1, two girder 2, the termination of described two girders, which is connected on two end carriages, forms portal structure；Wherein set on the outside of a girder Choose electric frame 121；A lifting truck 01, the wheel pedal of the lifting truck are connected on track 21 above two girders Face is placed on the rail level of the track 21；The lifting truck band lifting hook can simultaneously be run on the track；Its feature exists In：A running trolley 3 is also connected with the track 21, the wheel tread of the running trolley is placed on the rail level of the track 21 On；It is described to choose electric frame 121 and be equipped with two groups of moveable lashed cables 123；The both ends of two end carriages are both provided with cart drive Dynamic device 8 and anti-tipple 11；The top of two girder medial surfaces all sets a steel parallel to above-mentioned track 21 Rail 22, and rail rail level is downward；Above-mentioned 3 both sides of running trolley respectively connect two sets of anti-roller devices 33 by adjusting gasket, described Anti- roller devices are overlapped on the rail 22；The running trolley 3 is equipped with rotating mechanism 4；Hanging in the rotating mechanism Bar axis 42 is connected with cantilever member 5；Cantilever beam 51 on the cantilever member installs electric block 10, and electric block can be along outstanding Arm beam horizontal traversal；Car bumper device 70 is connected on the cantilever beam and position is adjustable；The cantilever beam is in below girder Operation outside extended workshop, and can rotate in the horizontal plane.

Wherein, the running trolley 3 includes trolley frame 31, drive car 32, passive wheel group 35；The trolley Frame 31 is welded into plate structure by steel plate and shaped steel combination；The trolley frame center is equipped with assembling window 311 and is used to connect whirler Structure, two connecting seats 312 and two buffers 313 are respectively set in trolley frame corresponding sides；Two sets of 32 Hes of drive car Two sets of passive wheel groups 35 are connected to below four corners of trolley frame；Drive car 32 includes " three-in-one " Gear reducer 321, adhesion wheel group 322；The output shaft of " three-in-one " gear reducer is the hollow shaft with spline, and its output shaft It is vertical with motor shaft；" three-in-one " gear reducer is connected by bolt and buffering spacer 323 with bearing 324, the bearing Welded with trolley frame 31；The output shaft of " three-in-one " gear reducer is connected with above-mentioned 322 axletree 3221 of adhesion wheel group；Institute Adhesion wheel group is stated to be bolted on trolley frame 31.

Wherein, the rotating mechanism 4 includes driving device 40, bearing block 41, sunpender axis 42；Described sunpender axis one end is set There is the inside axis hole of axis, the other end is equipped with screw thread, and the through hole of diameter is provided through on screw thread；The sunpender axis passes through thrust axis Hold 45 to be connected to inside the bearing block 41, the sunpender axis reconnects bearing A44 and bearing B46, the bearing A and bearing B It is connected to the both ends of above-mentioned bearing block by bolt and fixed cover 43 and blind flange 47 respectively, described sunpender axis one end is from described Stretch at 43 center of fixed cover；The bearing block 41 is fixedly connected on trolley frame 31；The driving device 40 by motor with Vertical type speed reducer (change gear) is composed, the flanged disk of the vertical type speed reducer (change gear) and output shaft, the driving device by bolt 48 with Above-mentioned blind flange 47 is fixedly connected, and the output shaft of the driving device is connected in above-mentioned sunpender axis one end by flat key insertion On axis hole.

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, and 52 other end of Holder for hanging household utensiles is welded on one end of the cantilever beam 51；It is described Cantilever beam is made of I-steel, or is made of H profile steel, or is made of the box-girder that steel plate welds, and the cantilever beam is close to hanging Seat one end is fixedly connected buffer 511.

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

Wherein, the anti-tipple 11 includes T-shaped hook seat 111, L-shaped safety hook 112；The T-shaped hooks the seat board of seat Mounting hole 1111 is equipped with, the T-shaped hooks seat and is equipped with horizontal slot hole 1112；Above-mentioned L-shaped safety hook includes eave tile 1121, L-shaped Slot hole 1122 is additionally provided with safety hook；The L-shaped safety hook hooks seat with the T-shaped by bolt 113 and is connected；The L-shaped peace The full eave tile 1121 hooked is connected with the lower surface gap of 12 upper cover plate of cart support rail beam, 125 Ji edge.

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

Wherein, the 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, Threaded hole 7013 is opened up on steel plate；Bolt and stop nut 703 are connected on threaded 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 cantilever beam orbit by screw rod 704 and nut On two sides Ji 211.

The beneficial effect of the application is：

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 in running trolley (3) in the application crane can be stretched out between crane locomotive to outdoors or to next door Workshop directly lifts cargo；The next door workshop cargo of cart traffic direction endpoint can be not only lifted by crane, and cart can be lifted by crane The cargo in running track line side workshop；Since the cantilever beam of the application is arranged at below trolley and girder, cantilever beam can pass through The direct lifting cargo in next door workshop is stretched into below support rail beam, or can directly stretch out the workshop operation outdoors of cart traffic direction, because This present techniques feature can realize the application purpose；After lifting cargo, by movement of the electric block along cantilever beam, or By the rotation of cantilever member, or the movement by running trolley, or the movement by crane, or pass through foregoing four Integrated motion, can hang onto the cargo of lifting in the place of this workshop needs；With next door workshop or workshop outdoors into crudely-made articles Thing can need not borrow the transhipment of other transporting equipments when joining, improve efficiency.

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

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

Running trolley (3) in the application can be moved back and forth in the top of girder along girder both ends, be suitable for greatly across Workshop is spent to use；Two anti-roller devices are respectively installed in running trolley both sides, can serve " safety hook ", in anti-roller devices Roller, which is pressed on rail, to be run, and can not only have been avoided cantilever beam from overloading and produced running trolley rollover and ensure that security, but also can protect Card running trolley on wheel all rail do not upwarp, it is ensured that running trolley is run always；It is suitable by adjusting adjust pad (337) Work as thickness, the roller in anti-roller devices is rightly connected with rail (22), rolling can be press against, ensure trolley Run smooth.

The application running trolley is driven using the drive car (32) of independent no mechanically contact, such component packet Property is good, easy to installation and maintenance；" three-in-one " gear reducer, small in volume, noise are used in the application drive car It is small；Its output shaft is the hollow shaft with spline coordinate with axletree facilitate it is easy, and its output shaft it is vertical with motor shaft shared by it is small The horizontal space of vehicle frame is small.

Anti- roller devices are arranged on the inside of girder on running trolley in the application, it is advantageous in that the lashed cable chosen on electric frame It is not easy to be wrapped in anti-roller devices.

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.

End carriage both ends in the application crane set anti-tipple (11), crane can be avoided to tumble, and ensure safety； When cantilever beam may overload, end carriage is while upwarp, and the eave tile of L-shaped safety hook can catch on the upper cover of cart support rail beam (12) at this time Plate Ji edge, avoids crane from tumbling and ensures safety；Anti- tipple is connected with end carriage, in-site installation convenient construction；Instead T-shaped on tipple hooks seat (111) and L-shaped safety hook (112) is designed with connection slot hole, in crane in-site installation, just In adjusting relative position, easily installation is in place；When crane end carriage upwarps, hinged cantilever component or movement can be passed through Electric block position reduces lift heavy, can so change the center of gravity of crane, ensures that stabilization avoids crane from tumbling.

Cantilever beam (51) in the application cantilever member is fixedly connected with buffer in that end in Holder for hanging household utensiles (52), plays buffer capacity limit Position electric block effect；An adjustable car bumper device in position (70) is connected in the cantilever end of cantilever beam, its effect is on car stop Buffer electric block can be avoided to move back and forth impact or overtravel along cantilever beam run, the position of this car bumper device is flexible It is adjustable, its benefit be according to the cargo size cases lifted, can flexible modulation car bumper device fixed position, its essence is adjusting The effective breadth of cantilever beam, small tonnage amplitude can be big, and large-tonnage is with by a small margin；Crane is efficiently used, while ensures safety.

Have two fixed seats (701) left and right can be general in car bumper device in the application, fixed seat welded by steel plate and It is made into or by rectangular steel tube, selection is simple, easy to make, and effect is good.

Bearing block and sunpender axis connection in the application rotating mechanism bear lifting power by thrust bearing, and sunpender axis is by bearing The spacing firmly radial positions of A and above and below bearing B, ensure that sunpender axis can bear very big axial force and not deviate radially, so as to ensure Driving device concentricity is good, and hinged cantilever component is laborsaving；Driving device (40) output shaft insertion in rotating mechanism, which is connected to, hangs In the axis hole of bar axis one end, power drive is simple in structure, and transmission accessory is few, mechanism take up space it is small, it is compact-sized；Cantilever beam Corner can be limited by rotary limit device (58)；After stop nut is connected with sunpender axle thread, then there is bolt (99) to pass through The diameter of stop nut and sunpender axis connects, and avoids stop nut from unclamping, securely and reliably.

Brief description of the drawings

Fig. 1 is the application structural front view；

Fig. 2 is the side view of Fig. 1；

Fig. 3 is the top view of Fig. 1；

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

Fig. 5 is running trolley front view (sectional view) in the application；

Fig. 6 is the top view of Fig. 5；

Fig. 7 is cantilever member schematic diagram in the application；

Fig. 8 is anti-tipple schematic diagram in the application；

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

Figure 10 is car bumper device schematic diagram in the application.

Embodiment

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

As shown in Figure 1, Figure 2, Figure 3 shows, a kind of band lifting truck and the adjustable cantilever crane in cantilever beam car bumper position, including Two end carriages, 1, two girder 2, the termination of described two girders, which is connected on two end carriages, forms portal structure； Wherein it is equipped with the outside of a girder and chooses electric frame 121；A lifting truck 01, institute are connected on track 21 above two girders The wheel tread for stating lifting truck is placed on the rail level of the track 21；The lifting truck band lifting hook simultaneously can be in the rail Run on road；A running trolley 3 is also connected with the track 21, the wheel tread of the running trolley is placed on the track 21 Rail level on；It is described to choose electric frame 121 and be equipped with two groups of moveable lashed cables 123；The both ends of two end carriages are both provided with Cart actuating device 8 and anti-tipple 11；The top of two girder medial surfaces all sets one parallel to above-mentioned track 21 rail 22, and rail rail level is downward；Above-mentioned 3 both sides of running trolley respectively connect two sets of anti-roller devices by adjusting gasket 33, the anti-roller devices are overlapped on the rail 22；The running trolley 3 is equipped with rotating mechanism 4；The rotating mechanism In sunpender axis 42 be connected with cantilever member 5；Cantilever beam 51 on the cantilever member installs electric block 10, electric block energy Moved back and forth along outrigger horizontal；Car bumper device 70 is connected on the cantilever beam and position is adjustable；The cantilever beam is in master Operation outside extended workshop below beam, and can rotate in the horizontal plane.

As shown in figure 4, the rotating mechanism 4 includes driving device 40, bearing block 41, sunpender axis 42；The sunpender axis One end is equipped with the inside axis hole of axis, and the other end is equipped with screw thread, and the through hole of diameter is provided through on screw thread；The sunpender axis passes through Thrust bearing 45 is connected to inside the bearing block 41, the sunpender axis reconnect bearing A44 and bearing B46, the bearing A and Bearing B is connected to the both ends of above-mentioned bearing block, described sunpender axis one end by bolt and fixed cover 43 and blind flange 47 respectively Stretched from 43 center of fixed cover；The bearing block 41 is fixedly connected on trolley frame 31；The driving device 40 by Motor is composed with vertical type speed reducer (change gear), and the flanged disk of the vertical type speed reducer (change gear) and output shaft, the driving device pass through spiral shell Bolt 48 is fixedly connected with above-mentioned blind flange 47, and the output shaft of the driving device is connected to above-mentioned sunpender axis one by flat key insertion On the interior axis hole at end.

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

As shown in Figure 5, Figure 6, the running trolley 3 includes trolley frame 31, drive car 32, passive wheel group 35；The trolley frame 31 is welded into plate structure by steel plate and shaped steel combination；The trolley frame center is equipped with assembling window 311 and is used for Connection traversing mechanism, two connecting seats 312 and two buffers 313 are respectively set in trolley frame corresponding sides；Two sets of trolleies drive Dynamic device 32 and two sets of passive wheel groups 35 are connected to below four corners of trolley frame；Drive car 32 wraps Include " three-in-one " gear reducer 321, adhesion wheel group 322；The output shaft of " three-in-one " gear reducer is the hollow shaft with spline, And its output shaft is vertical with motor shaft；" three-in-one " gear reducer is connected by bolt and buffering spacer 323 with bearing 324 Connect, the bearing is welded with trolley frame 31；The output shaft of " three-in-one " gear reducer and above-mentioned 322 axletree of adhesion wheel group 3221 connections；The adhesion wheel group is bolted on trolley frame 31.

As shown in fig. 7, 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, and 52 other end of Holder for hanging household utensiles is welded on one end of the cantilever beam 51；Institute State cantilever beam to be made of I-steel, or be made of H profile steel, or be made of the box-girder that steel plate welds, the cantilever beam is close to be hung Hanging seat one end is fixedly connected buffer 511.

As shown in figure 8, the anti-tipple 11, which includes T-shaped, hooks seat 111, L-shaped safety hook 112；The T-shaped hooks seat Seat board is equipped with mounting hole 1111, and the T-shaped hooks seat and is equipped with horizontal slot hole 1112；Above-mentioned L-shaped safety hook includes eave tile 1121, Slot hole 1122 is additionally provided with L-shaped safety hook；The L-shaped safety hook hooks seat with the T-shaped by bolt 113 and is connected；The L-shaped Eave tile 1121 on safety hook is connected with the lower surface gap of 12 upper cover plate of cart support rail beam, 125 Ji edge.

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

As shown in Figure 10, the 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, opens up threaded hole 7013 on steel plate；Bolt and stop nut 703 are connected on threaded 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 outstanding by screw rod 704 and nut On two sides Ji 211 of arm beam orbit.

Claims (8)

1. a kind of band lifting truck and the adjustable cantilever crane in cantilever beam car bumper position, including two end carriages (1), two girders (2), the termination of two girders is connected on two end carriages and forms portal structure；Wherein on the outside of a girder Equipped with choosing electric frame (121)；A lifting truck (01), the lifting truck are connected on track (21) above two girders Wheel tread be placed on the rail level of the track (21)；The lifting truck band lifting hook can simultaneously be transported on the track OK；It is characterized in that：A running trolley (3) is also connected with the track (21), the wheel tread of the running trolley is placed on On the rail level of the track (21)；The electric frame (121) of choosing is equipped with two groups of moveable lashed cables (123)；Two ends The both ends of beam are both provided with cart actuating device (8) and anti-tipple (11)；The top of two girder medial surfaces is all set A rail (22) parallel to above-mentioned track (21) is put, and rail rail level is downward；Above-mentioned running trolley (3) both sides by adjusting Respectively two sets of anti-roller devices (33) of connection, the anti-roller devices are overlapped on the rail (22) gasket；The running trolley (3) it is equipped with rotating mechanism (4)；Sunpender axis (42) in the rotating mechanism is connected with cantilever member (5)；The cantilever member On cantilever beam (51) installation electric block (10), electric block can move back and forth along outrigger horizontal；On the cantilever beam Connect car bumper device (70) and position is adjustable；The cantilever beam is in operation outside extended workshop below girder, and can be in level Rotated on face.

2. a kind of band lifting truck and the adjustable cantilever crane in cantilever beam car bumper position according to claim 1, it is special Sign is：The running trolley (3) includes trolley frame (31), drive car (32), passive wheel group (35)；It is described small Vehicle frame (31) is welded into plate structure by steel plate and shaped steel combination；The trolley frame center is equipped with assembling window (311), trolley frame two Two connecting seats (312) and two buffers (313) are respectively set in a corresponding sides；Two sets of drive cars (32) and two The passive wheel group (35) is covered to be connected to below four corners of trolley frame；Drive car (32) includes " three conjunctions One " gear reducer (321), adhesion wheel group (322)；The output shaft of " three-in-one " gear reducer is the hollow shaft with spline, and Its output shaft is vertical with motor shaft；" three-in-one " gear reducer is connected by bolt and buffering spacer (323) with bearing (324) Connect, the bearing is welded with trolley frame (31)；The output shaft of " three-in-one " gear reducer and above-mentioned adhesion wheel group (322) car Wheel shaft (3221) connects；The adhesion wheel group is bolted on trolley frame (31).

3. a kind of band lifting truck and the adjustable cantilever crane in cantilever beam car bumper position according to claim 1, it is special Sign is：The rotating mechanism (4) includes driving device (40), bearing block (41), sunpender axis (42)；Described sunpender axis one end Equipped with the inside axis hole of axis, the other end is equipped with screw thread, and the through hole of diameter is provided through on screw thread；The sunpender axis passes through thrust Bearing (45) is connected to the bearing block (41) inside, and the sunpender axis reconnects bearing A (44) and bearing B (46), the axis 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 are held, described hangs Stretched from the fixed cover (43) center bar axis one end；The bearing block (41) is fixedly connected on trolley frame (31)；It is described Driving device (40) be composed of motor and vertical type speed reducer (change gear), the flanged disk of the vertical type speed reducer (change gear) and output shaft are described Driving device be fixedly connected by bolt (48) with above-mentioned blind flange (47), the output shaft of the driving device is inserted by flat key Enter and be connected on the interior axis hole of above-mentioned sunpender axis one end.

4. a kind of band lifting truck and the adjustable cantilever crane in cantilever beam car bumper position 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), keyway (522) is equipped with the connecting hole, Holder for hanging household utensiles (52) other end is welded on the cantilever beam (51) One end；The cantilever beam is made of I-steel, or is made of H profile steel, or is made of the box-girder that steel plate welds, the cantilever beam Buffer (511) is fixedly connected close to Holder for hanging household utensiles one end.

5. a kind of band lifting truck and the adjustable cantilever crane in cantilever beam car bumper position 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 (9) On；The stop nut and sunpender axis are connected with bolt (99) again, and the bolt (99) through stop nut and is hung The diameter of bar axis.

6. a kind of band lifting truck and the adjustable cantilever crane in cantilever beam car bumper position according to claim 1, it is special Sign is：The anti-tipple (11) includes T-shaped and hooks seat (111), L-shaped safety hook (112)；The T-shaped hooks the seat board of seat Mounting hole (1111) is equipped with, the T-shaped hooks seat and is equipped with horizontal slot hole (1112)；Above-mentioned L-shaped safety hook includes eave tile (1121), slot hole (1122) is additionally provided with L-shaped safety hook；The L-shaped safety hook hooks seat by bolt (113) and the T-shaped Connection；Eave tile (1121) and the lower surface gap of cart support rail beam (12) upper cover plate (125) Ji Yuan on the L-shaped safety hook connect Connect.

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

8. a kind of band lifting truck and the adjustable cantilever crane in cantilever beam car bumper position according to claim 1, it is special Sign is：The 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), threaded hole (7013) is opened up on steel plate；Bolt and stop nut (703) are connected on threaded 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 cantilever beam orbit.