CN107915132A - A kind of cantilever crane with double trolley and balance beam - Google Patents

Abstract

This application discloses a kind of cantilever crane with double trolley and balance beam, including double girder bridge；End carriage in crane span structure is formed by connecting by two balance beams and a middle connecting rod；Balance beam one end connects cart actuating device, and the other end connects passive wheel group；Two of end carriage respectively connects horizontal wheel apparatus；Lifting truck and suspension end carriage trolley are connected between track below two girders；The lifting truck is equipped with single hook or double-hung lifting device；The suspension end carriage trolley is equipped with the rotating mechanism with elevating arc transmission；Sunpender axis lower end connecting cantilever component, upper end connection safety ruler；Electric block is installed on cantilever member can simultaneously move back and forth along cantilever beam；The cantilever end of cantilever beam connects car bumper device and position is adjustable；Cantilever beam is in below girder and can rotate.

Description

A kind of cantilever crane with double trolley and balance beam

Technical field

This application involves crane field, more particularly to a kind of cantilever crane with double trolley and balance beam.

Background technology

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

The content of the invention

The application purpose is to provide a kind of cantilever crane with double trolley and balance beam, and the crane not only can Handling object above and below enough in this workshop, additionally it is possible to lift by crane this workshop directly below across outer next door place through cart support rail beam Cargo, also can be in this workshop in cart running track direction direct lifting cargo in place outdoors, it is not necessary to set by other transports Standby transhipment, improves efficiency, and cargo can be unloaded the place for being placed on workshop needs, and the crane can make in the workshop of low roofing With the cantilever beam rotating speed of the crane can accurately reach user demand；The crane can also facilitate handling elongate article.

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

A kind of cantilever crane with double trolley and balance beam, including double girder bridge 28；The double girder bridge includes end Beam 1, girder 2；It is characterized in that：The end carriage 1 is formed by connecting by two balance beams 102 and a middle connecting rod 101；Institute State 102 one end of balance beam connection cart actuating device 8, the passive wheel group 18 of other end connect band connecting shaft wheel；The end Two of beam 1 respectively connects a set of horizontal wheel apparatus 6；The lower section of girder 2 is equipped with track 21；The track is by I-steel or H-type Steel is formed；Weld car bumper 71 in the track both ends；Suspension end carriage trolley 3 is connected on two tracks 21；The suspended end Beam trolley both ends all fill buffer 72；The suspension end carriage trolley 3 is equipped with the rotating mechanism 4 with elevating arc transmission；The rotation 42 lower end of sunpender axis in rotation mechanism is connected with cantilever member 5；Sunpender axis upper end connects safety ruler 583；The safety ruler touches Head can be touched with travel switch 581 to be connected, and two travel switches are connected to above trolley frame 31；On the cantilever member 5 Electric block 10 is installed, electric block can be moved back and forth along cantilever beam；The cantilever end connection car bumper device 70 of the cantilever beam And position is adjustable；The cantilever beam is in operation outside extended workshop below the girder, and can rotate.

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 trolley frame 31；The lower end branch sleeve 43 of the inner hole of bearing seat；It is described 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 thrust axis The lower floor held 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 is connected by the diameter of bolt 46 through stop nut A and sunpender axis；Institute The driving device 40 stated is composed of motor and horizontal speed-reducer, and the driving device is fixed 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 and big elevating arc 403 External toothing connects, 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 connecting shaft wheel 81, inner flange seat 82, decelerating motor 83, the company Axis wheel 81 is double wheel rims, and connecting shaft wheel center is equipped with axis hole 811, and the axis of the connecting shaft wheel both sides is stretched 812 and connected respectively Then the inner ring of bearing 84；The outer ring of the bearing is connected on inner flange seat 82；Ring flange on two inner flange seats It is connected to the inner wall of 102 both sides of balance beam；83 output shaft 831 of decelerating motor is parallel with motor shaft, output shaft It is connected in the axis hole 811 of above-mentioned connecting shaft wheel, the mounting hole on the decelerating motor top by bolt and cushion pad 85 and is consolidated Reservation 86 connects；The fixed seat 86 is welded in balance beam.

Wherein, the passive wheel group 18 includes connecting shaft wheel 181, inner flange seat 182, the connecting shaft wheel 181 For double wheel rims, the axis of the connecting shaft wheel both sides stretches 1811 inner rings that respectively connected bearing 183；The outer ring of the bearing It is connected on the inner cavity of inner flange seat 182；Ring flange on two inner flange seats is connected to 102 both sides of balance beam Inner wall.

Wherein, the horizontal wheel apparatus 6 includes horizontal wheels 61, wheel shaft 62, bearing 63, described horizontal wheels one side belt wheel Edge, and wheel rim is installed downward；Two horizontal wheels are separately positioned on the both sides of 601 tread of track, clearance fit；The level Wheel is connected by bearing 64, shaft retaining ring 65, hole baffle ring 66 with the wheel shaft 62；Two wheel shafts pass through 67 He of locking plate respectively It is bolted on above-mentioned bearing 63；Connection buffer 68 among the bearing；The bearing is equipped with end carriage connecting hole 69.

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 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 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.

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

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

End carriage both ends in the application crane all set cart actuating device, ensure that cart operation is smooth, avoid unilateral Because end carriage may upwarp during driving, driving wheel not rail produce idle running phenomenon；Cart actuating device (8) structure of the application is new Grain husk, it is highly practical；The wheel body of connecting shaft wheel is once swaged into wheel shaft, simple in structure, is especially suitable for path wheel, inner flange seat It is that can stand very big axial float inner flange seat all without departing from position, inner flange that ring flange, which is connected to benefit on the inside of end carriage, The connection bolt of seat need not bear big axial tension, and wheel alignment is good；The output shaft of decelerating motor can be flat key axis or Splined shaft or double bond axis, according to torque different situations, rationally coordinate with wheel axis hole；Decelerating motor is connected by cushion pad On end carriage, due to the cushioning effect of cushion pad, alleviate decelerating motor and start, brake generation impact vibration, protect driving Device.

Passive wheel group on the application end carriage uses connecting shaft wheel, and wheel body is once swaged into wheel shaft, simple in structure, especially It is adapted to path wheel.

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 (71) on the application middle girder track is directly welded on girder by metalwork delivers, corresponding buffer It is connected on suspension end carriage trolley and delivers together, car bumper can limits the stroke of suspension end carriage trolley, reduce impact and ensure 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 passive wheel group schematic diagram in the application；

Figure 11 is horizontal wheels apparatus structure front view in the application；

Figure 12 is the side view of Figure 11；

Figure 13 is safety ruler structure diagram in the application；

Figure 14 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 cantilever crane with double trolley and balance beam, including double girder bridge 28； The double girder bridge includes end carriage 1, girder 2；The end carriage 1 is connected by two balance beams 102 and a middle connecting rod 101 Form；Described 102 one end of balance beam connects cart actuating device 8, the passive wheel group 18 of other end connect band connecting shaft wheel； Two of the end carriage 1 respectively connects a set of horizontal wheel apparatus 6；The lower section of girder 2 is equipped with track 21；The track is by I-steel Or H profile steel is formed；Weld car bumper 71 in the track both ends；Suspension end carriage trolley 3 is connected on two tracks 21；It is described outstanding Hang end carriage trolley both ends and all fill buffer 72；The suspension end carriage trolley 3 is equipped with the rotating mechanism 4 with elevating arc transmission；Institute 42 lower end of sunpender axis stated in rotating mechanism is connected with cantilever member 5；Sunpender axis upper end connects safety ruler 583；The safety ruler Meet and discuss to touch with travel switch 581 and be connected, two travel switches are connected to above trolley frame 31；The cantilever member Electric block 10 is installed, electric block can be moved back and forth along cantilever beam on 5；The cantilever end connection car bumper device of the cantilever beam 70 and position it is adjustable；The cantilever beam is in operation outside extended workshop below the girder, and can rotate.

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 bearing block 41 is fixedly connected on trolley frame 31；The lower end branch sleeve of the inner hole of bearing seat 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；Institute The lower floor for stating thrust bearing is connected to the top of bearing block, its upper strata is connected with stop nut A44；The stop nut A bands are anti- Dust hood 441, stop nut A are connected with sunpender axle thread, and are connected by bolt 46 through 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 gear reducer bearing 401 are fixed on trolley frame 31；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 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 connecting shaft wheel 81, inner flange seat 82, decelerating motor 83, institute The connecting shaft wheel 81 stated is double wheel rims, and connecting shaft wheel center is equipped with axis hole 811, and the axis of the connecting shaft wheel both sides stretches 812 It respectively connected the inner ring of bearing 84；The outer ring of the bearing is connected on inner flange seat 82；On two inner flange seats Ring flange is connected to the inner wall of 102 both sides of balance beam；83 output shaft 831 of decelerating motor is parallel with motor shaft, Output shaft is connected in the axis hole 811 of above-mentioned connecting shaft wheel, and the mounting hole on the decelerating motor top passes through bolt and cushion pad 85 are connected with fixed seat 86；The fixed seat 86 is welded in balance beam.

As shown in Figure 10, the passive wheel group 18 includes connecting shaft wheel 181, inner flange seat 182, the connecting shaft car Wheel 181 is double wheel rims, and the axis of the connecting shaft wheel both sides stretches 1811 inner rings that respectively connected bearing 183；The bearing Outer ring be connected on the inner cavity of inner flange seat 182；Ring flange on two inner flange seats is connected to balance beam The inner wall of 102 both sides.

As shown in Figure 11, Figure 12, the horizontal wheel apparatus 6 includes horizontal wheels 61, wheel shaft 62, bearing 63, the level Wheel is on one side with wheel rim, and wheel rim is installed downward；Two horizontal wheels are separately positioned on the both sides of 601 tread of track, and gap is matched somebody with somebody Close；The horizontal wheels are connected by bearing 64, shaft retaining ring 65, hole baffle ring 66 with the wheel shaft 62；Two wheel shafts lead to respectively Cross locking plate 67 and be bolted on above-mentioned bearing 63；Connection buffer 68 among the bearing；The bearing is equipped with end Beam connecting hole 69.

As shown in figure 13, 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 14, 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 (10)

1. a kind of cantilever crane with double trolley and balance beam, including double girder bridge (28)；The double girder bridge includes end Beam (1), girder (2)；It is characterized in that：The end carriage (1) is by two balance beams (102) and a middle connecting rod (101) It is formed by connecting；Described balance beam (102) one end connection cart actuating device (8), other end connect band connecting shaft wheel it is passive Wheel group (18)；Two of the end carriage (1) respectively connects a set of horizontal wheel apparatus (6)；Track is equipped with below the girder (2) (21)；The track is made of I-steel or H profile steel；The track both ends welding car bumper (71)；Two tracks (21) it Between be connected to lifting truck (01) and suspension end carriage trolley (3)；The lifting truck is equipped with single hook or double-hung lifting dress Put；The suspension end carriage trolley both ends all fill buffer (72)；The suspension end carriage trolley (3) is equipped with elevating arc transmission Rotating mechanism (4)；Sunpender axis (42) lower end in the rotating mechanism is connected with cantilever member (5)；Sunpender axis upper end connection peace Full 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 small Vehicle frame (31) is above；Electric block (10) is installed, electric block can be moved back and forth along cantilever beam on the cantilever member (5)； The cantilever end of the cantilever beam connects car bumper device (70) and position is adjustable；The cantilever beam is in extended below the girder Operation outside workshop, and can rotate.

A kind of 2. cantilever crane with double trolley and balance beam according to claim 1, it is characterised in that：Described 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；Institute State and be equipped with the shaft shoulder (425) in the middle part of sunpender axis (42)；The sunpender axis is connected through bearing block (41) center with thrust bearing (45)； The lower floor of the thrust bearing is connected to the top of bearing block, its upper strata is connected with stop nut A (44)；The stop nut A Band dust cover (441), stop nut A is connected with sunpender axle thread, and passes through stop nut A and sunpender axis by bolt (46) Diameter connects；The driving device (40) is composed of motor and horizontal speed-reducer, and the driving device passes through Gear reducer bearing (401) is fixed on trolley frame (31)；The driving device output shaft is connected to small elevating arc (402), institute State small elevating arc to be connected with big elevating arc (403) external toothing, the big elevating arc is connected to one end of above-mentioned sunpender axis (42).

A kind of 3. cantilever crane with double trolley and balance beam according to claim 1, it is characterised in that：Described Cantilever member (5) includes cantilever beam (51), Holder for hanging household utensiles (52)；The Holder for hanging household utensiles one sets connecting hole (521), the connection Keyway (522) is equipped with hole；The Holder for hanging household utensiles other end is equipped with operation window (523)；The operation window of the Holder for hanging household utensiles (52) this Head is welded on one end of the cantilever beam (51)；The cantilever beam is fixedly connected buffer (511) close to Holder for hanging household utensiles one end.

A kind of 4. cantilever crane with double trolley and balance beam according to claim 1, it is characterised in that：Described Cantilever member (5) is connected on the sunpender axis (42) of rotating mechanism by flat key (49) and stop nut (9)；The locking spiral shell Female and sunpender axis is connected with bolt (99) again, and the bolt (99) passes through the diameter of stop nut and sunpender axis.

A kind of 5. cantilever crane with double trolley and balance beam according to claim 1, it is characterised in that：Described Hanging end carriage trolley (3) includes trolley frame (31), suspension end carriage (32), driving mechanism (34), anti-roller devices (35)；It is described small Vehicle frame (31) is welded into plate structure by steel plate and shaped steel combination, and trolley frame center is provided with assembling window (311)；The suspended end Beam (32) is welded into elongate frame structure by two channel steels and steel plate combination；Described trolley frame (31) both sides pass through bolt respectively (36) above-mentioned suspension end carriage (32) is connected；The both ends of the suspension end carriage (32) respectively connect the driving mechanism (34)；The drive Motivation structure includes motor (341), driving wheel (342)；Driving wheel (342) the band single-wheel edge, and band gear on wheel rim；Two institutes The both sides that driving wheel is distributed in track (21) are stated, its mandrel is fixed on suspension end carriage (32)；The motor (341) carries deceleration Machine and brake, the motor are connected on suspension end carriage (32), motor output shaft shaft with gear；The tooth shaft and a driving wheel On gear external toothing；Two driving wheels pass through two excessive gears (343) and transmission shaft (344) and bearing block respectively (345) connect, key connection between excessive gear and transmission shaft；Two bearing blocks (345) are fixed on suspension end carriage (32) below；Above-mentioned anti-roller devices (35) are connected on trolley frame (31) both sides；Roller (351) place of the anti-roller devices In the centre position of above-mentioned suspension end carriage and in track (21) lower section.

A kind of 6. cantilever crane with double trolley and balance beam according to claim 1, it is characterised in that：Described Cart actuating device (8) includes connecting shaft wheel (81), inner flange seat (82), decelerating motor (83), wherein：The connecting shaft wheel (81) it is double wheel rims, connecting shaft wheel center is equipped with axis hole (811), and the axis of the connecting shaft wheel both sides is stretched (812) and connected respectively Then the inner ring of bearing (84)；The outer ring of the bearing is connected on inner flange seat (82)；Method on two inner flange seats Blue disk is connected to the inner wall of balance beam (102) both sides；Decelerating motor (83) output shaft (831) is put down with motor shaft OK, output shaft is connected in the axis hole (811) of above-mentioned connecting shaft wheel, and the mounting hole on the decelerating motor top is eased up by bolt Punching pad (85) is connected with fixed seat (86)；The fixed seat (86) is welded in balance beam (102).

A kind of 7. cantilever crane with double trolley and balance beam according to claim 1, it is characterised in that：Described Passive wheel group (18) includes connecting shaft wheel (181), inner flange seat (182), and the connecting shaft wheel (181) is two-wheel edge car Wheel, the axis of the connecting shaft wheel both sides stretch the inner ring that (1811) respectively connected bearing (183)；The outer ring of the bearing is connected to On the inner cavity of inner flange seat (182)；Ring flange on two inner flange seats is connected to balance beam (102) both sides Inner wall.

A kind of 8. cantilever crane with double trolley and balance beam according to claim 1, it is characterised in that：Described Horizontal wheel apparatus (6) includes horizontal wheels (61), wheel shaft (62), bearing (63), and the horizontal wheels are on one side with wheel rim, and wheel rim is downward Installation；Two horizontal wheels are separately positioned on the both sides of track (601) tread, clearance fit；The horizontal wheels pass through bearing (64), shaft retaining ring (65), hole baffle ring (66) are connected with the wheel shaft (62)；Two wheel shafts respectively by locking plate (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 9. cantilever crane with double trolley and balance beam according to claim 1, it is characterised in that：Described Safety ruler (583) includes swing rod (5832) and meets and discusses (5831), and meet and discuss (5831) are arranged to arc shape, and described meets and discusses Both ends be set as symmetric bending shape；Described swing rod (5832) one end is equipped with connecting hole (5833), and keyway is equipped with connecting hole (5834)。

A kind of 10. cantilever crane with double trolley and balance beam according to claim 1, it is characterised in that：It is described Car bumper device (70) include fixed seat (701), buffer (702), the fixed seat is welded into square shape or by side by steel plate Shape steel pipe manufacturing forms；The fixed seat side opens up clip slot (7011)；Welding steel (7012) above the clip slot, on steel plate Open up threaded hole (7013)；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) It is connected on 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.