CN107915149A - A kind of bridge-type cantilever crane being driven with double trolley and elevating arc - Google Patents

Abstract

This application discloses a kind of bridge-type cantilever crane being driven with double trolley and elevating arc, including double girder bridge；End carriage both ends on crane span structure are designed with cart actuating device and anti-tipple；Track and car stop are equipped with below girder on crane span structure；Lifting truck and suspension end carriage trolley are connected between two tracks；Lifting truck is equipped with hook type lifting lifting device；Hang end carriage trolley and be equipped with the rotating mechanism with elevating arc transmission；Sunpender axis lower end in rotating mechanism is connected with cantilever member, upper end connection safety ruler；Two travel switches are connected to above trolley frame；Electric block is installed on cantilever member can simultaneously move back and forth along cantilever beam；Cantilever beam is in below girder and can rotate；The cantilever end of cantilever beam connects car bumper device and position is adjustable；Two end carriages on double girder bridge all connect one and choose electric frame, and two are chosen two cable wire rails of connection between electric frame, and moveable lashed cable is connected on cable wire rail.

Description

A kind of bridge-type cantilever crane being driven with double trolley and elevating arc

Technical field

This application involves crane field, more particularly to a kind of bridge-type cantilever lifting being driven with double trolley and elevating arc 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 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 bridge-type cantilever crane being driven with double trolley and elevating arc, the crane Be 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 it is outer every The cargo in wall place, also can be in this workshop in cart running track direction direct lifting cargo in place outdoors, it is not necessary to by other Transporting equipment is transported, and improves efficiency, and cargo can be unloaded the place for being placed on workshop needs, and the crane can be in the car of low roofing Between use, the cantilever beam rotating speed of the crane can accurately reach user demand；The crane can also facilitate handling elongated Object.

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

A kind of bridge-type cantilever crane being driven with double trolley and elevating arc, including double girder bridge 28；The double girder bridge Including end carriage 1, girder 2；It is characterized in that：1 both ends of end carriage are designed with cart actuating device 8 and anti-tipple 6；It is described The lower section of girder 2 is equipped with track 21；The track is made of I-steel or H profile steel；Car bumper 71 is welded at the track both ends, on car bumper Fill buffer 72；Suspension end carriage trolley 3 is connected on two tracks 21；The suspension end carriage trolley 3 is equipped with band fan tooth Take turns the rotating mechanism 4 of transmission；42 lower end of sunpender axis in the rotating mechanism is connected with cantilever member 5；Sunpender axis upper end connects Safety ruler 583；The the meeting and discussing to touch with travel switch 581 of the safety ruler is connected, and two travel switches are connected to trolley Above frame 31；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 below girder and can rotate；The cantilever end connection car bumper device 70 of the cantilever beam, and position is adjustable；On double girder bridge Two end carriages 1 all connect one and choose electric frame 121, chosen described in two and connect cable wire rail 124 between electric frame, connected on the cable wire rail Then lashed cable 123, described lashed cable one end on suspension end carriage trolley 3 with being electrically connected.

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 lower end branch sleeve 43 of the inner hole of bearing seat； The middle part of sunpender axis 42 is equipped with the shaft shoulder 425；The sunpender axis is connected through 41 center of bearing block with thrust bearing 45；It is described to push away The lower floor of power bearing is connected to the top of bearing block, its upper strata is connected with stop nut A44；The stop nut A bands dust cover 441, stop nut A is connected with sunpender axle thread, and has been connected by bolt 46 through 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 gear reducer bearing 401 It is fixed 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 to one end of above-mentioned sunpender axis 42.

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 close to Holder for hanging household utensiles 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 suspension end carriage trolley 3 includes trolley frame 31, suspension end carriage 32, driving mechanism 34, anti-roller devices 35；The trolley frame 31 is welded into plate structure by steel plate and shaped steel combination, and trolley frame center is provided with assembling window 311 and is used to connect Connect rotating mechanism；The suspension end carriage 32 is welded into elongate frame structure by two channel steels and steel plate combination；The trolley frame 31 both sides connect above-mentioned suspension end carriage 32 by bolt 36 respectively；The both ends of the suspension end carriage 32 respectively connect the driving mechanism 34；The driving mechanism includes motor 341, driving wheel 342；The driving wheel 342 is with single-wheel edge, and band gear on wheel rim；Two A driving wheel is distributed in the both sides of track 21, its mandrel is fixed on suspension end carriage 32；The motor 341 carries gear reducer And brake, the motor are connected on suspension end carriage 32, motor output shaft shaft with gear；In the tooth shaft and a driving wheel Gear external toothing；Two driving wheels are connected by two excessive gears 343 and transmission shaft 344 and bearing block 345 respectively Get up, key connection between excessive gear and transmission shaft；Two bearing blocks 345 are fixed on below suspension end carriage 32；In trolley 31 both sides of frame connect above-mentioned anti-roller devices 35；The roller 351 of the anti-roller devices is in the centre of above-mentioned suspension end carriage Position and the lower section in track 21.

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

Wherein, the anti-tipple 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.

Wherein, the safety ruler 583 includes swing rod 5832 and meets and discusses 5831, the 5831 setting cambers of meeting and discussing Shape, the both ends met and discussed are set as symmetric bending shape；Described 5832 one end of swing rod is equipped with connecting hole 5833, is set in connecting hole There is keyway 5834.

Wherein, the car bumper device 70 includes left fixed seat 701, right fixed seat 702, buffer 703, the left fixation Seat and right fixed seat are process for casting or with steel plate, and left fixed seat symmetrically makes with both right fixed seats；It is described right solid Reservation side opens up clip slot 7021；Threaded hole 7022 is opened up above the clip slot；Bolt and stop nut are connected on threaded hole 704；Side opens up connecting hole 7023 below the clip slot；The right fixed seat opens up buffer peace on the side beside clip slot Fill hole 7024；Two buffers 703 are connected in above-mentioned left fixed seat and right fixed seat；The left fixed seat and the right side On two sides Ji 211 that fixed seat is connected in cantilever beam orbit by screw rod 705 and nut.

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 end carriage trolley (3) is hung in the application crane can stretch 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 suspension end carriage trolley and girder, cantilever Beam can stretch into the direct lifting cargo in next door workshop by support rail beam lower section, or can directly stretch out the workshop of cart traffic direction outdoors Operation, because the door top in usually workshop can reach height where the support rail beam in this workshop substantially, therefore present techniques feature can To realize the application purpose；After lifting cargo, turn by movement of the electric block along cantilever beam, or by cantilever member It is dynamic, or by hanging the movement of end carriage trolley, or the movement by crane travelling mechanism, or pass through foregoing four synthesis Movement, can hang onto the cargo of lifting in the place of this workshop needs；With the next door workshop of workshop surrounding or workshop outdoors Need not can be borrowed during cargo handing-over the transhipment of other transporting equipments, improve efficiency.

Running track (21) is set below the girder in the application crane, and suspension end carriage trolley is suspended on girder track On, its installation space position is reduced, is particularly suitable for roofing with crane apart from small workshop.

The suspension hook on lifting truck (01) in the application crane and the electric block (10) on suspension end carriage trolley (3) Suspension hook, which is used cooperatively, can facilitate handling elongate article.

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 suspension end carriage trolley (3) power supply.

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

The driving wheel in suspension end carriage trolley (3) driving mechanism in the application is sleeved on the edge of track (21) both sides Ji, is protected Card trolley does not drop, so as to ensure that crane is safe to use；A pair of of driving wheel is all driven by motor, and the driving force of operation is big, is passed It is good to pass power effect；Hang and two sets of driving mechanisms are set on end carriage, being advantageous in that can avoid single driving from being possible to because of trolley on one side Somewhat upwarp adhesion wheel not rail and produce can't run phenomenon, double drive ensure that trolley travelling is smooth；Hang end carriage trolley With electric block and rotating mechanism needed for power supply by lashed cable (123), along choosing on electric frame, cable wire rail (124) can be with suspension End carriage trolley runs power supply back and forth；Cable wire rail both ends are connected to two and choose electric frame (121), by adjusting the appropriate of electric frame is chosen Highly, lashed cable can be solved and most preferably hangs position；Cable wire rail is to make track using steel wire rope, and cost is low.

Driving mechanism is installed on inside suspension end carriage in the application, and suspension end carriage is overall high when being connected with the track under girder Spend small, so entirely suspension end carriage trolley swings small, stablizes；The anti-roller devices set on trolley frame can limit suspension end carriage While the degree upwarped, the roller in anti-roller devices can be pressed in below track (21) trolley, on counter suspension end carriage trolley Stick up, so that it is smooth to keep trolley travelling to stablize.

Car bumper on the application middle girder track can limit the stroke of suspension end carriage trolley, increase safety.

Cantilever beam (51) in the application cantilever member is fixedly connected with buffer (511) in that end in Holder for hanging household utensiles (52), rises slow Punching and the effect of spacing electric block；An adjustable car bumper device in position (70) is connected in the cantilever end of cantilever beam, its effect is Buffer on car stop can avoid electric block from moving back and forth impact or overtravel operation, the position of this car bumper device along cantilever beam Put flexibly it is adjustable, its benefit be according to the cargo size cases lifted, can flexible modulation car bumper device fixed position, its essence It is the effective breadth for adjusting cantilever beam, small tonnage amplitude can be big, and large-tonnage is with by a small margin；Crane is efficiently used, is ensured at the same time Safety.

Be equipped with rotary limit device between cantilever member in the application and suspension end carriage trolley, by safety ruler (583) and Two travel switch (581) compositions, safety ruler are installed on sunpender axis upper end, and travel switch is installed on trolley frame upper surface, more square Just installation and adjustment；There is rotary limit device, cantilever beam can be avoided excessively to rotate, prevent the cable (100) of electric block from winding It is torn on Holder for hanging household utensiles (52) in cantilever member, because the cable (100) of electric block is from the wiring on trolley frame Case draws ensuing.

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 gear reducer compares and produces；Passed using elevating arc It is dynamic, the driving device in rotating mechanism can be made to use horizontal speed-reducer, reduce 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.

After cantilever member and sunpender axis connection in the application, after connecting positioning with sunpender axle thread by stop nut, Connected again with the diameter of bolt (99) through stop nut and sunpender axis, avoid stop nut from loosening, 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 cantilever member schematic diagram in the application；

Fig. 6 is that end carriage vehicle structure front view is hung in the application；

Fig. 7 is the side view of Fig. 6；

Fig. 8 is the top view of Fig. 6；

Fig. 9 is cart actuating device schematic diagram in the application；

Figure 10 is anti-tipple structural front view in the application；

Figure 11 is the side view of Figure 10；

Figure 12 is safety ruler structure diagram in the application；

Figure 13 is car bumper device structure 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 bridge-type cantilever crane being driven with double trolley and elevating arc, including twin beams bridge Frame 28；The double girder bridge includes end carriage 1, girder 2；1 both ends of end carriage are designed with cart actuating device 8 and anti-tipple 6；The lower section of girder 2 is equipped with track 21；The track is made of I-steel or H profile steel；Car bumper 71 is welded at the track both ends, Buffer 72 is filled on car bumper；Suspension end carriage trolley 3 is connected on two tracks 21；The suspension end carriage 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；On sunpender axis End connection safety ruler 583；The the meeting and discussing to touch with travel switch 581 of the safety ruler is connected, two travel switches connections On trolley frame 31；Electric block 10 is installed, electric block can be moved back and forth along cantilever beam on the cantilever member 5；Institute State cantilever beam and be in operation outside extended workshop below the girder, and can rotate；The cantilever end connection car bumper of the cantilever beam Device 70, and position is adjustable；Two end carriages 1 on double girder bridge all connect one and choose electric frame 121, are chosen described in two between electric frame Cable wire rail 124 is connected, lashed cable 123 is connected on the cable wire rail, described lashed cable one end on suspension end carriage trolley 3 with electrically connecting Connect.

As shown in figure 4, the rotating mechanism 4 includes driving device 40, small elevating arc 402, big elevating arc 403, bearing Seat 41, sunpender axis 42；The outside of bearing block 41 is fixedly connected on trolley frame 31；The lower end connector sleeve of the inner hole of bearing seat Cylinder 43；The middle part of sunpender axis 42 is equipped with the shaft shoulder 425；The sunpender axis is connected through 41 center of bearing block 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 A44；The stop nut A bands Dust cover 441, stop nut A are connected with sunpender axle thread, and are connected by bolt 46 through the diameter of stop nut A and sunpender axis Pick up and；The driving device 40 is composed of motor and horizontal speed-reducer, and the driving device passes through gear reducer branch Seat 401 is fixed on trolley frame 31；The driving device output shaft is connected to small elevating arc 402, the small elevating arc with it is big 403 external toothing of elevating arc connects, and the big elevating arc is connected to one end of 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 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, 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 close to Holder for hanging household utensiles One end is fixedly connected buffer 511.

As shown in Fig. 6, Fig. 7, Fig. 8, the suspension end carriage trolley 3 includes trolley frame 31, suspension end carriage 32, driving mechanism 34th, anti-roller devices 35；The trolley frame 31 is welded into plate structure by steel plate and shaped steel combination, and trolley frame center is provided with dress It is used for connection traversing mechanism with window 311；The suspension end carriage 32 is welded into elongate frame structure by two channel steels and steel plate combination； 31 both sides of trolley frame connect above-mentioned suspension end carriage 32 by bolt 36 respectively；The both ends of the suspension end carriage 32 respectively connect The driving mechanism 34；The driving mechanism includes motor 341, driving wheel 342；The driving wheel 342 is with single-wheel edge, and wheel rim Upper band gear；Two driving wheels are distributed in the both sides of track 21, its mandrel is fixed on suspension end carriage 32；The motor 341 carry gear reducer and brake, and the motor is connected on suspension end carriage 32, motor output shaft shaft with gear；The tooth shaft with Gear external toothing on one driving wheel；Two driving wheels respectively by two excessive gears 343 and transmission shaft 344 and Bearing block 345 connects, key connection between excessive gear and transmission shaft；Two bearing blocks 345 are fixed on suspension end carriage Below 32；Above-mentioned anti-roller devices 35 are connected on 31 both sides of trolley frame；The roller 351 of the anti-roller devices is in above-mentioned outstanding Hang the centre position of end carriage and the lower section in track 21.

As shown in figure 9, the cart actuating device 8 includes wheel 81, decelerating motor 83, the wheel is two-wheel edge, The inside wheel is equipped with spline tooth 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 to the both sides of end carriage 1；The bearing 82 Outer ring is fixed on the wheel by baffle ring 86；The ring flange 851 of above-mentioned hollow flange axis 85 is equipped with motor connecting screw hole 852；The decelerating motor 83 is connected with splined output shaft 831 with above-mentioned wheel inner spline gear 811；Method on the decelerating motor Positioning concave ring 832 in blue seat is inlayed with 851 outside diameter of ring flange in hollow flange axis to be connected and is fastened by screw.

As shown in Figure 10, Figure 11, the anti-tipple 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.

As shown in figure 12, the safety ruler 583 includes swing rod 5832 and meets and discusses 5831, and described meet and discuss 5831 is arranged to Arc shape, the both ends met and discussed are set as symmetric bending shape；Described 5832 one end of swing rod is equipped with connecting hole 5833, connecting hole It is interior to be equipped with keyway 5834.

As shown in figure 13, the car bumper device 70 includes left fixed seat 701, right fixed seat 702, buffer 703, described Left fixed seat and right fixed seat are process for casting or with steel plate, and left fixed seat symmetrically makes with both right fixed seats；Institute State right fixed seat side and open up clip slot 7021；Threaded hole 7022 is opened up above the clip slot；Bolt and locking is connected on threaded hole Nut 704；Side opens up connecting hole 7023 below the clip slot；The right fixed seat opens up buffering on the side beside clip slot Device mounting hole 7024；Two buffers 703 are connected in above-mentioned left fixed seat and right fixed seat；The left fixed seat It is connected to right fixed seat by screw rod 705 and nut in cantilever beam orbit on two sides Ji 211.

Claims (9)

1. a kind of bridge-type cantilever crane being driven with double trolley and elevating arc, including double girder bridge (28)；The double girder bridge Including end carriage (1), girder (2)；It is characterized in that：End carriage (1) both ends are designed with cart actuating device (8) and anti-dress of tumbling Put (6)；Track (21) is equipped with below the girder (2)；The track is made of I-steel or H profile steel；The track both ends weldering Gear (71) is picked up, buffer (72) is filled on car bumper；Lifting truck (01) and suspended end are connected between two tracks (21) Beam trolley (3)；The lifting truck (01) is equipped with hook type lifting lifting device；The suspension end carriage trolley (3) is equipped with Rotating mechanism (4) with elevating arc transmission；Sunpender axis (42) lower end in the rotating mechanism is connected with cantilever member (5)；Hang Bar axis upper end connection safety ruler (583)；The the meeting and discussing to touch with travel switch (581) of the safety ruler is connected, two rows Cheng Kaiguan is connected to trolley frame (31) above；Electric block (10) is installed, electric block can be along outstanding on the cantilever member (5) Arm beam moves back and forth；The cantilever beam is in operation outside extended workshop below the girder, and can rotate；The cantilever beam Cantilever end connection car bumper device (70), and position is adjustable；Two end carriages (1) on double girder bridge all connect one and choose electric frame (121), chosen described in two and two cable wire rails (124) are connected between electric frame, moveable lashed cable is connected on the cable wire rail (123)。

A kind of 2. bridge-type cantilever crane being driven with double trolley and elevating arc according to claim 1, it is characterised in that： 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 lower end branch sleeve (43) of the inner hole of bearing seat； The shaft shoulder (425) is equipped with the middle part of the sunpender axis (42)；The sunpender axis connects through bearing block (41) center and thrust bearing (45) Connect；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 locking spiral shell Female A band dust covers (441), stop nut A is connected with sunpender axle thread, and passes through stop nut A and sunpender by bolt (46) The diameter of axis connects；The driving device (40) is composed of 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) One end.

A kind of 3. bridge-type cantilever crane being driven with double trolley and elevating arc according to claim 1, it is characterised in that： The cantilever member (5) includes cantilever beam (51), Holder for hanging household utensiles (52)；The Holder for hanging household utensiles one sets connecting hole (521), described Connecting hole in be equipped with keyway (522)；The Holder for hanging household utensiles other end is equipped with operation window (523)；The operation of the Holder for hanging household utensiles (52) This head of window is welded on one end of the cantilever beam (51)；The cantilever beam is fixedly connected buffer close to Holder for hanging household utensiles one end (511)。

A kind of 4. bridge-type cantilever crane being driven with double trolley and elevating arc according to claim 1, it is characterised in that： 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 (99) is through the straight of stop nut and sunpender axis Footpath.

A kind of 5. bridge-type cantilever crane being driven with double trolley and elevating arc according to claim 1, it is characterised in that： The suspension end carriage trolley (3) includes trolley frame (31), suspension end carriage (32), driving mechanism (34), anti-roller devices (35)； The trolley frame (31) is welded into plate structure by steel plate and shaped steel combination, and trolley frame center is provided with assembling window (311)；It is described Suspension end carriage (32) is welded into elongate frame structure by two channel steels and steel plate combination；Described trolley frame (31) both sides lead to respectively Cross bolt (36) and connect above-mentioned suspension end carriage (32)；The both ends of the suspension end carriage (32) respectively connect the driving mechanism (34)； The driving mechanism includes motor (341), driving wheel (342)；Driving wheel (342) the band single-wheel edge, and band gear on wheel rim； Two driving wheels are distributed in the both sides of track (21), its mandrel is fixed on suspension end carriage (32)；The motor (341) is certainly Band gear reducer and brake, the motor are connected on suspension end carriage (32), motor output shaft shaft with gear；The tooth shaft with one Gear external toothing on driving wheel；Two driving wheels respectively by two excessive gears (343) and transmission shaft (344) and Bearing block (345) connects, key connection between excessive gear and transmission shaft；Two bearing blocks (345) are fixed on suspension End carriage (32) is below；Above-mentioned anti-roller devices (35) are connected on trolley frame (31) both sides；The roller of the anti-roller devices (351) centre position in above-mentioned suspension end carriage and the lower section in track (21).

A kind of 6. bridge-type cantilever crane being driven with double trolley and elevating arc according to claim 1, it is characterised in that： The cart actuating device (8) includes wheel (81), decelerating motor (83), and the wheel is two-wheel edge, in the wheel Portion is equipped with spline tooth (811), and the wheel (81) both sides pass through bearing (82) and flange shaft (84), hollow flange axis respectively (85) connect, the ring flange of the flange shaft (84) and hollow flange axis (85) is connected to the both sides of end carriage (1)；It is described Bearing (82) outer ring is fixed on the wheel by baffle ring (86)；Set on the ring flange (851) of above-mentioned hollow flange axis (85) There is motor connecting screw hole (852)；Decelerating motor (83) the band splined output shaft (831) and above-mentioned wheel inner spline gear (811) Connection；Positioning concave ring (832) in flange seat on the decelerating motor is inlayed with ring flange (851) outside diameter in hollow flange axis It is embedding to connect and fastened by screw.

A kind of 7. bridge-type cantilever crane being driven with double trolley and elevating arc according to claim 1, it is characterised in that： The anti-tipple (6) include horizontal wheels (61), wheel shaft (62), bearing (63), the horizontal wheels on one side band wheel rim, and wheel Edge is installed downward；Two horizontal wheels are separately positioned on the both sides of track (601) tread, clearance fit；The horizontal wheels are led to Bearing (64), shaft retaining ring (65), hole baffle ring (66) is crossed to be connected with the wheel shaft (62)；Two wheel shafts pass through locking plate respectively (67) and it is bolted on above-mentioned bearing (63)；Connection buffer (68) among the bearing；The bearing is equipped with end carriage Connecting hole (69).

A kind of 8. bridge-type cantilever crane being driven with double trolley and elevating arc according to claim 1, it is characterised in that： The safety ruler (583) includes swing rod (5832) and meets and discusses (5831), and meet and discuss (5831) are arranged to arc shape, described The both ends met and discussed be set as symmetric bending shape；Described swing rod (5832) one end is equipped with connecting hole (5833), is equipped with connecting hole Keyway (5834).

A kind of 9. bridge-type cantilever crane being driven with double trolley and elevating arc according to claim 1, it is characterised in that： The car bumper device (70) include left fixed seat (701), right fixed seat (702), buffer (703), the left fixed seat and Right fixed seat is process for casting or with steel plate, and left fixed seat symmetrically makes with both right fixed seats；The right fixed seat Side opens up clip slot (7021)；Threaded hole (7022) is opened up above the clip slot；Bolt and stop nut are connected on threaded hole (704)；Side opens up connecting hole (7023) below the clip slot；The right fixed seat opens up buffering on the side beside clip slot Device mounting hole (7024)；Two buffers (703) are connected in above-mentioned left fixed seat and right fixed seat；It is described left solid On two sides Ji (211) that reservation and right fixed seat are connected in cantilever beam orbit by screw rod (705) and nut.