CN108263968A - A kind of band lifting truck and the telescopic semi portal crane of cantilever beam - Google Patents

Abstract

This application discloses a kind of band lifting trucks and the telescopic semi portal crane of cantilever beam, and including semi portal, the semi portal is made of an end carriage, two girders, a supporting rack；Include ground beam on supporting rack；A lifting truck is connected on track above two girders；A running trolley is also connected on the track；End carriage and ground beam both ends all connect cart actuating device and passive wheel group and buffer respectively；The lateral surface of two girders is designed with being parallel to the siding track of track；The lower section gap connection safety hook of siding track；Running trolley is equipped with rotating mechanism；Sunpender axis lower end in rotating mechanism is connect with cantilever member, upper end connection safety ruler；Cantilever beam in cantilever member is scalable beam；The telescopic movable of the cantilever beam is controlled by hydraulic cylinder；One end connection hydraulic station of the cantilever beam, the other end fix suspension electric block；The cantilever beam is in operation outside extended workshop below the girder, and can rotate in the horizontal plane.

Description

A kind of band lifting truck and the telescopic semi portal crane of cantilever beam

Technical field

This application involves crane field more particularly to a kind of band lifting trucks and the telescopic semi portal of cantilever beam to rise Heavy-duty machine.

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 back and forth be run along crane twin beams, and crane can only be along workshop both sides It is run back and forth across the cart track on column, the cargo range 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 generates oblique pull, then from this The article (such as workshop outdoors, across outer) of far point cannot lift except a plane, can only turn at this time by other transporting equipments Fortune, usually drives workshop by automobile and lifting cargo is carried out under suspension hook, some vehicles are opened to come in this workshop and next door workshop Between be laterally laid with track, trolley special is allowed to reach suspension hook and gets 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 except 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 waste is also generated.

Invention content

The application is designed to provide a kind of band lifting truck and the telescopic semi portal crane of cantilever beam, the lifting Machine is not only able in this workshop unloading object up and down, additionally it is possible to across cart support rail beam directly below this workshop of unloading across outer The cargo in next door place, also can be in this workshop in cart running track direction direct unloading cargo in place outdoors, it is not necessary to by it Its transporting equipment is transported, and improves efficiency；The crane also is able to facilitate handling elongate article；The cantilever beam rotation of the crane Rotary speed can accurately reach user demand.

In order to achieve the above objectives, the application is realized using following technology：

A kind of band lifting truck and the telescopic semi portal crane of cantilever beam, including semi portal 28, the semi portal by One supporting rack 100 of girder 2, one of end carriage 1, two forms；Include ground beam 101 on the supporting rack；Outside a wherein girder Side is equipped with and chooses electric frame 121；A lifting truck 01 is connected on track 21 above two girders；It is set on the lifting truck There are single hook or double-hung lifting lifting device；It is characterized in that：A running trolley 3 is also connected on the track 21；It is described End carriage 1 and 101 both ends of ground beam all connect cart actuating device 8 and passive wheel group 18 and buffer 13 respectively；Described two The lateral surface of girder is designed with being parallel to the siding track 22 of the track；The lower section gap connection safety hook 33 of siding track, institute Safety hook one end is stated to be connected on running trolley 3；The running trolley is equipped with rotating mechanism 4；Hanging in the rotating mechanism 42 lower end of bar axis is connect with cantilever member, upper end connection safety ruler 583；Cantilever beam 51 in the cantilever member 5 is scalable Beam；The telescopic movable of the cantilever beam is controlled by hydraulic cylinder；One end connection hydraulic station 52 of the cantilever beam, the other end is fixed outstanding Hang electric block 10；The cantilever beam is in operation outside extended workshop below the girder, and can rotate in the horizontal plane.

Wherein, the running trolley 3 includes 31, two sets of drive cars 32 of trolley frame；The trolley frame 31 is by steel Plate is welded into plate structure with shaped steel combination；The trolley frame center is equipped with assembling window 311 for installing rotating mechanism, trolley frame Both sides transverse side is both provided with connecting seat 312, and connecting seat is equipped with flange hole 3121, and trolley frame both sides longitudinal side is equipped with slow Rush device 313；Aforementioned two sets of drive cars 32 are connected to the both ends of trolley frame；Drive car 32 includes ZSC types Speed reducer 321, adhesion wheel group 322, motor 323；The ZSC types speed reducer 321 is fixed on trolley frame 31；ZSC types subtract The both sides output shaft of fast machine is connect respectively by shaft coupling 326 with adhesion wheel group 322, and two adhesion wheel groups are connected to Below trolley frame；The input shaft of the ZSC types speed reducer is connect with the motor 323, is connected on the rear output shaft of the motor There is a braked wheel 324, connecting brake 325 on the braked wheel.

Wherein, the rotating mechanism 4 include 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 running trolley 3；The lower end branch sleeve 43 of the inner hole of bearing seat；Institute It states 42 middle part of sunpender axis and is equipped with the shaft shoulder 425；The sunpender axis is connect across 41 center of bearing block with thrust bearing 45；The thrust The lower floor of bearing is connected to the top of bearing block, and upper strata is connect with stop nut A44；The stop nut A bands dust cover 441, stop nut A is connect with sunpender axle thread, and is passed through bolt 46 and connected across stop nut A with the diameter of sunpender axis Come；The driving device 40 is composed of motor and horizontal speed-reducer, and the driving device passes through speed reducer bearing 401 It is fixed on running trolley 3；The driving device output shaft is connected to small elevating arc 402, the small elevating arc and big fan tooth 403 external toothings connection is taken turns, the big elevating arc is connected on above-mentioned sunpender axis 42.

Wherein, the cart actuating device 8 includes wheel 81, decelerating motor 83, and the wheel is two-wheel edge, described Inside wheel connects a splined sleeve 811, and 81 both sides of wheel pass through bearing 82 and flange shaft 84, hollow flange respectively Axis 85 connects, and the ring flange of the flange shaft 84 and hollow flange axis 85 is connected on the two side of end carriage or ground beam； 82 outer ring of bearing is connected to logical lid 86, and the logical lid is bolted in the wheel face；Above-mentioned hollow flange The ring flange 851 of axis 85 is equipped with motor connecting screw hole 852 and motor location hole 853；The decelerating motor 83 is exported with spline Axis 831 is connect with above-mentioned inside wheel splined sleeve 811；Positioning flange collar 832 and sky in flange seat on the decelerating motor Motor location hole 853 in heart flange shaft is inlayed connection and is fastened by screw.

Wherein, the passive wheel group 18 includes wheel 181, flange shaft 182, and the wheel 181 is two-wheel edge；Institute The wheel center hole both sides stated are connect respectively by 183 inner ring of bearing with above-mentioned flange shaft 182；It is provided in the flange shaft The shaft shoulder 1821 is used for Limit Bearing, one end setting ring flange 1822；Lubrication hole 1823 is provided in the flange shaft 182；Institute It states 183 outer ring of bearing to be fixed on wheel by logical lid 184 and bolt 185, the logical lid 184 is internally provided with sealing ring 186；Two The flange shaft 182 is connected to by adjusting gasket 187 and screw 188 on the two side of end carriage or ground beam respectively；Described Lubricating cup 189 is connected in flange shaft 182.

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 advantageous 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 of lifting cargo Center of gravity do not generate tilting moment in the underface of crane, crane and lifting truck, equipment operates steadily, can be used at a high speed Operating mode is spent to improve efficiency, and available for lifting large-tonnage object；Lifting truck can be used for main lifting effect in workshop.

Cantilever beam in the application running trolley (3) can be stretched out between crane locomotive to directly hanging outdoors or to next door workshop Loading object；The next door workshop cargo of cart traffic direction endpoint can be not only lifted by crane, and cart running track line can be lifted by crane The cargo in side workshop；Since the cantilever beam of the application is set to below trolley and girder, cantilever beam can be by below support rail beam It stretches into the direct lifting cargo in next door workshop or can directly stretch out the workshop operation outdoors of cart traffic direction, therefore the application skill Art feature can realize the application purpose；After lifting cargo, cantilever structure along the movement of cantilever beam or is passed through by electric block The rotation of part or the movement by running trolley or the movement by crane or by aforementioned four integrated motions, The cargo of lifting can be hung onto the place of this workshop needs；It can when carrying out cargo handing-over outdoors with next door workshop or workshop The transhipment of other transporting equipments need not be borrowed, improves efficiency.

Telescopic cantilever beam (51) one end connection electric block (10) handling weight in the application, other end connection hydraulic pressure It stands (52), hydraulic station provides power to the hydraulic cylinder inside cantilever beam；Hydraulic station is arranged on the rear end of cantilever beam, with electric block The two weight can balance a part, reduce some tilting moments；Telescopic arm is advantageous in that, when work puts in next door vehicle as far as possible Between, working range is big；After slinging cargo, cantilever beam shortens, and convenient for rotation, reduces the influence of surrounding enviroment.

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) is chosen equipped with two groups of moveable lashed cables (123) on the application loading bridge, and one group of connection is promoted 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；Running trolley both sides setting safety hook (33) can avoid cantilever beam from overloading and generate running trolley and upwarp, and ensure Running trolley catches on girder siding track and does not fall, so as to ensure that crane is safe to use；Running trolley sets two sets of trolleies to drive Device (32), can avoid it is single drive be possible to because trolley slightly upwarp adhesion wheel not rail due to generate can't run phenomenon, protect It is smooth to demonstrate,prove trolley travelling；Using ZSC type speed reducers in the application drive car, the series reduction is versatile, performance Stablize, cheap buying is very convenient.

The cantilever crane of the application be suitable for workshop only have set up on the metope column of one side bracket be laid with track, another side Use the environment of workshop track；Cart running gear is run on column track on end carriage in crane semi portal, on ground beam Cart running gear run in the track of workshop；Cantilever beam can be reached among supporting rack next door workshop lifted or Unload cargo.

Rotary limit device is equipped between sunpender axis and trolley frame in the application, by safety ruler (583) and two strokes (581) composition is switched, safety ruler is mounted on sunpender axis upper end, and travel switch is mounted on trolley frame upper surface, is more convenient installation and adjusts Section；There is rotary limit device, cantilever beam can be avoided excessively to rotate, the cable (6) of motor hoist is prevented to be wrapped in cantilever structure It is torn on Holder for hanging household utensiles (52) in part, because the cable (6) of motor hoist is to draw to connect down from the junction box on trolley frame Come.

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

Cart actuating device (8) structure novel of the application, compact, assembly and disassembly are convenient；The splined sleeve (811) of inside wheel Inside wheel individually is packed into after processing, can be dismantled；The small good processing of splined sleeve size, can make, the service life of special wear-resistant material Long replacement cost is low；The bearing of wheel is more secured by logical lid connection fixation；Hollow flange axis is hollow, and drive shaft is therefrom Pass through；Not only for connecting end carriage or ground beam, but also be used to connect decelerating motor, positioning subtracts ring flange (851) on hollow flange axis Speed motor；The output shaft of decelerating motor passes through the connection of the splined sleeve of hollow flange shaft hollow hole and inside wheel to directly drive Wheel；Positioning flange collar on decelerating motor, which is inlayed, to be connected in the motor location hole (853) of hollow flange axis, decelerating motor flange Connecting hole on seat is tightly coupled together with the motor connecting screw hole on hollow flange axis by bolt；The deceleration electricity of this structure Machine is especially adapted to planetary reduction gear, and structure is small, and noise is small；Connected between decelerating motor and wheel in this way it is not only simple but also securely, coaxially It spends, takes up space small, ensure that wheel steadily operates, operating is with small vibration, noise is small.

The passive wheel group (18) of the application is compact-sized, assembly and disassembly are convenient, and the outer ring of the bearing on wheel is on one side by wheel The shaft shoulder limits another side and is limited by logical lid, ensures that bearing is fixed on wheel not axial motion, more secured by logical lid fixing bearing, Big axial force is stood, is suitably adapted for high level operating mode；Pass through adjust pad between regulating flange axis and end carriage or ground beam Different-thickness, it will be able to adjust the left and right offset distance of wheel center line, can solve wheel bias in end carriage causes to gnaw rail Problem can also solve the shaft shoulder and wheel both sides bearing inner race installation clearance issues in flange shaft, resolve wheel axial motion Phenomenon；The passive wheel group of the application, it is compact-sized, from heavy and light, parts are few, be convenient to mount and dismount, space occupy-place is small, using peace It is complete reliable.

Have the gear auxiliary driving of a pair of of elevating arc transmission in rotating mechanism in the application crane, by big elevating arc, The different numbers of teeth setting of small elevating arc, can meet precise requirements of the user to the cantilever beam rotary speed of crane, avoid directly The cantilever beam rotating speed and the large error of actual demand that the general speed of selection standard speed reducer compares and generates；It is passed using elevating arc It is dynamic, the driving device in rotating mechanism can be made to reduce mounting height using horizontal speed-reducer.

Bearing block and sunpender axis connection in the application rotating mechanism bear gravity by thrust bearing, and thrust bearing is mounted 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 It uses, reduces the fit clearance of sunpender axis, increase rotational stabilization, increase the concentricity of driving mechanism, cantilever member rotation saves Power；After stop nut A and sunpender axis connection, then the connection by bolt (46), anti-loose effect is played, ensures rotating mechanism peace Entirely.

After cantilever member and sunpender axis connection in the application, after connecting positioning with sunpender axle thread by stop nut, It is connected again with the diameter of bolt (99) across stop nut and sunpender axis, stop nut is avoided to loosen, securely and reliably.

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 vertical view of Fig. 1；

Fig. 4 is running trolley front view in the application；

Fig. 5 is the vertical view of Fig. 4；

Fig. 6 is F partial enlarged views (rotating mechanism) in Fig. 1；

Fig. 7 is cart actuating device schematic diagram in the application；

Fig. 8 is passive wheel group schematic diagram in the application；

Fig. 9 is car stop schematic device in the application.

Specific embodiment

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

As shown in Figure 1, Figure 2, Figure 3 shows, a kind of band lifting truck and the telescopic semi portal crane of cantilever beam, including half Frame 28, the semi portal are made of a supporting rack 100 of girder 2, one of end carriage 1, two；Include ground beam on the supporting rack 101；It is equipped on the outside of a wherein girder and chooses electric frame 121；A lifting truck is connected on track 21 above two girders 01；The lifting truck is equipped with single hook or double-hung lifting lifting device；It is small that an operation is also connected on the track 21 Vehicle 3；The end carriage 1 and 101 both ends of ground beam all connect cart actuating device 8 and passive wheel group 18 and buffer respectively 13；The lateral surface of two girders is designed with being parallel to the siding track 22 of the track；The lower section gap connection peace of siding track Complete to hook 33, described safety hook one end is connected on running trolley 3；The running trolley is equipped with rotating mechanism 4；The whirler 42 lower end of sunpender axis in structure is connect with cantilever member, upper end connection safety ruler 583；Cantilever beam 51 in the cantilever member 5 It is scalable beam；The telescopic movable of the cantilever beam is controlled by hydraulic cylinder；One end connection hydraulic station 52 of the cantilever beam, it is another The fixed suspension electric block 10 in end；The cantilever beam is in operation outside extended workshop below the girder, and can be in horizontal plane Upper rotation.

As shown in Figure 4, Figure 5, the running trolley 3 includes 31, two sets of drive cars 32 of trolley frame；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 for installing whirler Structure, trolley frame both sides transverse side are both provided with connecting seat 312, and connecting seat is equipped with flange hole 3121, trolley frame both sides longitudinal direction Side is equipped with buffer 313；Aforementioned two sets of drive cars 32 are connected to the both ends of trolley frame；Drive car 32 Including ZSC types speed reducer 321, adhesion wheel group 322, motor 323；The ZSC types speed reducer 321 is fixed on trolley frame 31 On；The both sides output shaft of ZSC type speed reducers is connect respectively by shaft coupling 326 with adhesion wheel group 322, two active vehicles Wheel group is connected to below trolley frame；The input shaft of the ZSC types speed reducer is connect with the motor 323, the motor it is rear defeated It is connected with braked wheel 324 on shaft, connecting brake 325 on the braked wheel.

As shown in fig. 6, the rotating mechanism 4 includes driving device 40, small elevating arc 402, big elevating arc 403, bearing Seat 41, sunpender axis 42；The bearing block 41 is fixedly connected on running trolley 3；The lower end branch sleeve of the inner hole of bearing seat 43；42 middle part of sunpender axis is equipped with the shaft shoulder 425；The sunpender axis is connect across 41 center of bearing block with thrust bearing 45；Institute The lower floor for stating thrust bearing is connected to the top of bearing block, and upper strata is connect with stop nut A44；The stop nut A bands are anti- Dust hood 441, stop nut A are connect with sunpender axle thread, and are passed through bolt 46 and connected across stop nut A with the diameter of sunpender axis Get up；The driving device 40 is composed of motor and horizontal speed-reducer, and the driving device passes through speed reducer bearing 401 are fixed on running trolley 3；The driving device output shaft is connected to small elevating arc 402, the small elevating arc and big fan 403 external toothing of gear connects, and the big elevating arc is connected on above-mentioned sunpender axis 42.

As shown in fig. 7, the cart actuating device 8 includes wheel 81, decelerating motor 83, the wheel is two-wheel edge, The inside wheel connects a splined sleeve 811, and 81 both sides of wheel pass through bearing 82 and flange shaft 84, sky respectively Heart flange shaft 85 connects, and the ring flange of the flange shaft 84 and hollow flange axis 85 is connected to the both sides of end carriage or ground beam On wall；82 outer ring of bearing is connected to logical lid 86, and the logical lid is bolted in the wheel face；It is above-mentioned hollow The ring flange 851 of flange shaft 85 is equipped with motor connecting screw hole 852 and motor location hole 853；The decelerating motor 83 is with spline Output shaft 831 is connect with above-mentioned inside wheel splined sleeve 811；Positioning flange collar 832 in flange seat on the decelerating motor It is inlayed with the motor location hole 853 in hollow flange axis and connect and fastened by screw.

As shown in figure 8, the passive wheel group 18 includes wheel 181, flange shaft 182, the wheel 181 is two-wheel Edge；The wheel center hole both sides are connect respectively by 183 inner ring of bearing with above-mentioned flange shaft 182；In the flange shaft The shaft shoulder 1821 is provided with for Limit Bearing, one end setting ring flange 1822；Lubrication hole is provided in the flange shaft 182 1823；183 outer ring of bearing is fixed on by logical lid 184 and bolt 185 on wheel, and the logical lid 184 is internally provided with sealing ring 186；Flange shaft 182 described in two is connected to the two side of end carriage or ground beam by adjusting gasket 187 and screw 188 respectively On；Lubricating cup 189 is connected in the flange shaft 182.

As shown in figure 9, the car bumper device 70 includes fixed seat 701, buffer 702, 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 (6)

1. a kind of band lifting truck and the telescopic semi portal crane of cantilever beam, including semi portal (28), the semi portal by One end carriage (1), two girders (2), supporting rack (100) composition；Include ground beam (101) on the supporting rack；Wherein one It is equipped on the outside of girder and chooses electric frame (121)；A lifting truck (01) is connected on track (21) above two girders；Institute Lifting truck is stated equipped with single hook or double-hung lifting lifting device；It is characterized in that：One is also connected on the track (21) Platform running trolley (3)；The end carriage (1) and ground beam (101) both ends all connect cart actuating device (8) and respectively by motor car wheels Group (18) and buffer (13)；The lateral surface of two girders is designed with being parallel to the siding track (22) of the track；Side The lower section gap connection safety hook (33) of track, described safety hook one end is connected on running trolley (3)；On the running trolley Equipped with rotating mechanism (4)；Sunpender axis (42) lower end in the rotating mechanism is connect with cantilever member, upper end connection safety ruler (583)；Cantilever beam (51) in the cantilever member (5) is scalable beam；The telescopic movable of the cantilever beam is by hydraulic cylinder-controlled System；One end connection hydraulic station (52) of the cantilever beam, the other end fix suspension electric block (10)；The cantilever beam is in institute Operation outside extended workshop below girder is stated, and can be rotated in the horizontal plane.

2. a kind of band lifting truck according to claim 1 and the telescopic semi portal crane of cantilever beam, feature exist In：The running trolley (3) includes trolley frame (31), two sets of drive cars (32)；The trolley frame (31) is by steel plate Plate structure is welded into shaped steel combination；The trolley frame center is equipped with assembling window (311), and trolley frame both sides transverse side is all set Connecting seat (312) is equipped with, connecting seat is equipped with flange hole (3121), and trolley frame both sides longitudinal side is equipped with buffer (313)；Before State the both ends that two sets of drive cars (32) are connected to trolley frame；Drive car (32) includes ZSC type speed reducers (321), adhesion wheel group (322), motor (323)；The ZSC types speed reducer (321) is fixed on trolley frame (31)；ZSC The both sides output shaft of type speed reducer is connect respectively by shaft coupling (326) with adhesion wheel group (322), two adhesion wheels Group is connected to below trolley frame；The input shaft of the ZSC types speed reducer is connect with the motor (323), the motor it is rear defeated It is connected with braked wheel (324) on shaft, connecting brake (325) on the braked wheel.

3. a kind of band lifting truck according to claim 1 and the telescopic semi portal crane of cantilever beam, feature exist In：The rotating mechanism (4) including 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 running trolley (3)；The lower end branch sleeve of the inner hole of bearing seat (43)；The shaft shoulder (425) is equipped in the middle part of the sunpender axis (42)；The sunpender axis passes through bearing block (41) center and thrust bearing (45) it connects；The lower floor of the thrust bearing is connected to the top of bearing block, and upper strata is connect with stop nut A (44)；It is described Stop nut A band dust covers (441), stop nut A is connect with sunpender axle thread, and passes through bolt (46) across stop nut A It is connected with the diameter of sunpender axis；The driving device (40) is composed of motor and horizontal speed-reducer, the drive Dynamic device is fixed on by speed reducer bearing (401) on running trolley (3)；The driving device output shaft is connected to small fan tooth It takes turns (402), the small elevating arc is connect with big elevating arc (403) external toothing, and the big elevating arc is connected to above-mentioned sunpender axis (42) on.

4. a kind of band lifting truck according to claim 1 and the telescopic semi portal crane of cantilever beam, feature exist In：The cart actuating device (8) includes wheel (81), decelerating motor (83), and the wheel is two-wheel edge, the wheel One splined sleeve (811) of inside connection, the wheel (81) both sides are respectively by bearing (82) and flange shaft (84), hollow Flange shaft (85) connects, and the ring flange of the flange shaft (84) and hollow flange axis (85) is connected to end carriage or ground beam On two side；Bearing (82) outer ring is connected to logical lid (86), and the logical lid is bolted in the wheel face； The ring flange (851) of above-mentioned hollow flange axis (85) is equipped with motor connecting screw hole (852) and motor location hole (853)；It is described Decelerating motor (83) band splined output shaft (831) is connect with above-mentioned inside wheel splined sleeve (811)；On the decelerating motor Positioning flange collar (832) in flange seat is inlayed with the motor location hole (853) in hollow flange axis to be connect and is fastened by screw.

5. a kind of band lifting truck according to claim 1 and the telescopic semi portal crane of cantilever beam, feature exist In：The passive wheel group (18) includes wheel (181), flange shaft (182), and the wheel (181) is two-wheel edge；It is described Wheel center hole both sides connect respectively by bearing (183) inner ring with above-mentioned flange shaft (182)；It is set in the flange shaft There are the shaft shoulder (1821), one end setting ring flange (1822)；Lubrication hole (1823) is provided in the flange shaft (182)；It is described Bearing (183) outer ring is fixed on by logical lid (184) and bolt (185) on wheel, and the logical lid (184) is internally provided with sealing ring (186)；Flange shaft (182) described in two is connected to end carriage or ground beam by adjusting gasket (187) and screw (188) respectively On two side；Lubricating cup (189) is connected in the flange shaft (182).

6. a kind of band lifting truck according to claim 1 and the telescopic semi portal crane of cantilever beam, feature exist In：The car bumper device (70) includes fixed seat (701), buffer (702), and the fixed seat is welded into square shape by steel plate Or it 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 company below the clip slot Connect hole (7014)；The fixed seat opens up buffer mounting hole (7015) on the side beside clip slot；Two buffers (702) it is connected on two fixed seats (701)；Two fixed seats are connected respectively by screw rod (704) and nut It is connected on two sides Ji (211) of cantilever beam orbit.