CN107915124A

CN107915124A - A kind of bridge-type cantilever crane with lifting truck and underslung trolley

Info

Publication number: CN107915124A
Application number: CN201610871157.0A
Authority: CN
Inventors: 谢新华
Original assignee: Fuzhou Gulou Automatic Equipment Co Ltd
Current assignee: Fuzhou Gulou Automatic Equipment Co Ltd
Priority date: 2016-10-06
Filing date: 2016-10-06
Publication date: 2018-04-17

Abstract

This application discloses a kind of bridge-type cantilever crane with lifting truck and underslung trolley, including double girder bridge；The double girder bridge includes end carriage, girder；The end carriage is equipped with cart running gear；Track is equipped with below the girder；Lifting truck and underslung trolley are connected on two tracks, and can be run along track；The underslung trolley is equipped with rotating mechanism；Sunpender axis in the rotating mechanism is connected with cantilever member；Rotary limit device is equipped between the cantilever member and underslung trolley；Electric block is installed, electric block can be moved back and forth along outrigger horizontal on the cantilever member；The cantilever beam is in below girder and can rotate；Set on the end carriage of double girder bridge and choose electric frame, chosen described in two and two cable wire rails are connected between electric frame, the lashed cable on two cable wire rails respectively with the electrical connection on underslung trolley and lifting truck.

Description

A kind of bridge-type cantilever crane with lifting truck and underslung trolley

Technical field

This application involves crane field, more particularly to a kind of bridge-type cantilever lifting with lifting truck and underslung trolley 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 with lifting truck and underslung trolley, the crane Be not only able in this workshop handling object up and down, additionally it is possible to by 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 crane can also facilitate handling elongate article.

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

A kind of bridge-type cantilever crane with lifting truck and underslung trolley, including double girder bridge 28；The double girder bridge Including end carriage 1, girder 2；The end carriage 1 is equipped with cart running gear 8；It is characterized in that：The lower section of girder 2 is equipped with track 21, the track is made of I-steel or H profile steel；Car bumper 70 is welded at the track both ends, and buffer is connected on the car stop 701；A lifting truck 01 and a underslung trolley 3 are connected on two tracks 21, and can be run along track；It is described to carry Rise trolley 01 and be equipped with hook mechanism；The underslung trolley 3 is equipped with rotating mechanism 4；Sunpender in the rotating mechanism Axis 42 is connected with cantilever member 5；Rotary limit device 58 is equipped between the cantilever member and underslung trolley 3；The cantilever structure Electric block 10 is installed, electric block can be moved back and forth along outrigger horizontal on part 5；The cantilever beam is under the girder Operation outside workshop can be stretched out, and can be rotated in the horizontal plane；Set on the end carriage 1 of the double girder bridge and choose electric frame 121, two Described choose connects two cable wire rails 124 between electric frame, is connected to lashed cable 123 on the cable wire rail, two lashed cables respectively with Electrical connection on underslung trolley 3 and lifting truck 01.

Wherein, the rotating mechanism 4 includes driving device 40, bearing block 41, sunpender axis 42, and the sunpender axis is by pushing away Power bearing 45 is connected to inside the bearing block 41, and the sunpender axis reconnects bearing A44 and bearing B46, the bearing A and axis Hold the both ends that B is connected to above-mentioned bearing block by bolt and fixed cover 43 and blind flange 47 respectively, described sunpender axis one end from Stretch at 43 center of fixed cover；41 outside diameter of bearing block is fixedly connected on underslung trolley 3；The driving device 40 It is composed of motor and vertical type speed reducer (change gear), the flanged disk of the vertical type speed reducer (change gear) and output shaft, the driving device pass through Bolt 48 is fixedly connected with above-mentioned blind flange 47, and the output shaft of the driving device is connected to above-mentioned sunpender axis by flat key insertion In the axis hole of one end.

Wherein, the cantilever member 5 includes cantilever beam 51, Holder for hanging household utensiles 52；Described one setting connecting hole of Holder for hanging household utensiles 521, the connecting hole is interior to be equipped with keyway 522；The Holder for hanging household utensiles other end is equipped with operation window 523 and is used to operate connection anti-loose spiral shell It is female；The operation window of the Holder for hanging household utensiles 52 this be welded on one end of the cantilever beam 51；The cantilever beam is made of I-steel, Or be made of H profile steel, the cantilever beam both ends are equipped with buffing pad 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, 9 center of stop nut is equipped with screw thread 91, and the stop nut outside diameter opens up a through hole 92, Multiple blind holes 93 are also opened up on the stop nut outside diameter and conveniently pull nut for being inserted into lever.

Wherein, the rotary limit device 58 includes travel switch 581 and safety ruler 583, and the safety ruler is welded on On the Holder for hanging household utensiles 52 of cantilever member, the travel switch is connected by bolt with switch bracket 582；The switch bracket welding Below the trolley frame 31 of underslung trolley.

Wherein, the underslung trolley 3 includes trolley frame 31, driving mechanism 34, roller devices 35；The trolley frame is by steel Plate is welded or is welded by steel plate and shaped steel combination；The trolley frame both sides connect the driving mechanism described in two sets respectively 34；The driving mechanism is connected on trolley frame by balance plate 32 and axis pin 33；On the side of every set driving mechanism on trolley frame Side reconnects a roller devices 35；The roller devices are in immediately below track 21；The driving mechanism 34 includes motor 341st, two driving wheels, 342, two followers 343, band gear on driving wheel single-wheel edge and wheel rim, follower band single-wheel edge；Institute State two driving wheels to be connected in left hanging plate 344, described two followers are connected on right hanging plate 345；The left hanging plate and the right side Hanging plate is connected by two studs and nut 346；Above-mentioned motor 341 carries gear reducer, motor output shaft band gear；It is described Motor 341 is connected in left hanging plate, and motor output shaft is connected with above-mentioned two driving wheel external toothing at the same time.

The beneficial effect of the application is as described below：

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

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

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

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

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

Underslung trolley (3) in the application can be moved back and forth along girder both ends, be suitable for big width workshop and used；Suspension Driving mechanism (34) on trolley can be in whole set procurement standarized component on the market, supporting facility；Driving wheel, quilt in driving mechanism Driving wheel is connected on the edge of track (21) both sides Ji, ensures that underslung trolley does not drop, so as to ensure that crane is safe to use；It is outstanding Hang trolley side two sets of driving mechanisms of installation to be connected on same track, and roller devices are installed beside every set driving mechanism (35), its be advantageous in that can avoid single driving be possible to because trolley somewhat upwarp on one side adhesion wheel not the race that produces rail not Dynamic phenomenon, double drive ensure that trolley travelling is smooth；Roller devices can limit underslung trolley while the degree upwarped, ensures that suspension is small Car is stablized, and operation is smooth；Power supply needed for underslung trolley and electric block and rotating mechanism can be with underslung trolley by lashed cable Operation power supply back and forth；Girder track termination car bumper and buffer can limit the stroke and operational shock of underslung trolley, increase safety.

Bearing block and sunpender axis connection in the application rotating mechanism bear lifting power by thrust bearing, and sunpender axis is by bearing The spacing firmly radial positions of A and above and below bearing B, ensure that sunpender axis can bear very big axial force and not deviate radially, so as to ensure Driving device concentricity is good, and hinged cantilever component is laborsaving；Cantilever beam, which is provided at both ends with buffing pad, can avoid electric block along outstanding Arm beam moves back and forth impact or overtravel；Rotary limit device (58) is equipped between cantilever member and underslung trolley, can avoid hanging Arm beam excessively rotates, i.e. no more than 360 degree angle rotations, prevents the cable (6) of electric block to be wrapped in hanging in cantilever member Be torn on hanging seat (52) because the cable (6) of electric block be draw from the junction box on trolley frame it is ensuing；Safety ruler It is that safety ruler can be rotated with cantilever member, and travel switch is fixed on trolley to be welded on benefit on the Holder for hanging household utensiles of cantilever member Motionless under frame, its cable is passed directly to be placed on the control cabinet on trolley frame, and the relatively small vehicle frame of travel switch is motionless to be not easy failure；Rotation Driving device (40) output shaft insertion in rotation mechanism is connected in the axis hole of sunpender axis one end, and power drive is simple in structure, passes Dynamic accessory is few, mechanism take up space it is small, it is compact-sized；After stop nut is connected with sunpender axle thread, then there is bolt (99) to pass through The diameter of stop nut and sunpender axis connects, and avoids stop nut from unclamping, and securely and reliably, the blind hole on stop nut can be square Just lever is inserted into, and it is light to pull nut, easy disassembly and maintenance.

Brief description of the drawings

Fig. 1 is the application structural front view；

Fig. 2 is the side view of Fig. 1；

Fig. 3 is the top view of Fig. 1；

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

Fig. 5 is stop nut structure diagram in the application；

Fig. 6 is cantilever member schematic diagram in the application；

Fig. 7 is rotary limit device schematic diagram in the application；

Fig. 8 is underslung trolley structural front view in the application；

Fig. 9 is the side view of Fig. 8；

Figure 10 is the G direction views (trolley driving mechanism) in Fig. 8.

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 with lifting truck and underslung trolley, including twin beams bridge Frame 28；The double girder bridge includes end carriage 1, girder 2；The end carriage 1 is equipped with cart running gear 8；The lower section of girder 2 is set There is track 21, the track is made of I-steel or H profile steel；Car bumper 70 is welded at the track both ends, and connection is slow on the car stop Rush device 701；A lifting truck 01 and a underslung trolley 3 are connected on two tracks 21, and can be run along track；Institute State lifting truck 01 and be equipped with hook mechanism；The underslung trolley 3 is equipped with rotating mechanism 4；In the rotating mechanism Sunpender axis 42 is connected with cantilever member 5；Rotary limit device 58 is equipped between the cantilever member and underslung trolley 3；It is described outstanding Electric block 10 is installed, electric block can be moved back and forth along outrigger horizontal on arm member 5；The cantilever beam is in the master Operation outside extended workshop below beam, and can rotate in the horizontal plane；Set on the end carriage 1 of the double girder bridge and choose electric frame 121, Chosen described in two and two cable wire rails 124 are connected between electric frame, lashed cable 123, two lashed cables point are connected on the cable wire rail Not with the electrical connection on underslung trolley 3 and lifting truck 01.

As shown in figure 4, the rotating mechanism 4 includes driving device 40, bearing block 41, sunpender axis 42, the sunpender axis It is connected to by thrust bearing 45 inside the bearing block 41, the sunpender axis reconnects bearing A44 and bearing B46, the axis Hold the both ends that A and bearing B are connected to above-mentioned bearing block by bolt and fixed cover 43 and blind flange 47 respectively, the sunpender axis Stretched from 43 center of fixed cover one end；41 outside diameter of bearing block is fixedly connected on underslung trolley 3；The driving Device 40 is composed of motor and vertical type speed reducer (change gear), the flanged disk of the vertical type speed reducer (change gear) and output shaft, driving dress Put and be fixedly connected by bolt 48 with above-mentioned blind flange 47, the output shaft of the driving device is connected to above-mentioned by flat key insertion In the axis hole of sunpender axis one end.

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

As shown in figure 5,9 center of stop nut is equipped with screw thread 91, the stop nut outside diameter opens up one and leads to Hole 92, multiple blind holes 93 is also opened up on the stop nut outside diameter is used to being inserted into lever and conveniently pull nut.

As shown in fig. 6, the cantilever member 5 includes cantilever beam 51, Holder for hanging household utensiles 52；The Holder for hanging household utensiles one sets connection Hole 521, the connecting hole is interior to be equipped with keyway 522；The Holder for hanging household utensiles other end is equipped with operation window 523 and is used to operate connection anti-loose Nut；The operation window of the Holder for hanging household utensiles 52 this be welded on one end of the cantilever beam 51；The cantilever beam is by I-steel structure Into, or be made of H profile steel, the cantilever beam both ends are equipped with buffing pad 511.

As shown in fig. 7, the rotary limit device 58 includes travel switch 581 and safety ruler 583, the safety ruler weldering It is connected on the Holder for hanging household utensiles 52 of cantilever member, the travel switch is connected by bolt with switch bracket 582；The switch bracket It is welded on below the trolley frame 31 of underslung trolley.

As shown in Fig. 8, Fig. 9, Figure 10, the underslung trolley 3 includes trolley frame 31, driving mechanism 34, roller devices 35； The trolley frame is welded by steel plate or is welded by steel plate and shaped steel combination；The trolley frame both sides connect two sets respectively The driving mechanism 34；The driving mechanism is connected on trolley frame by balance plate 32 and axis pin 33；Every on trolley frame The side for covering driving mechanism reconnects a roller devices 35；The roller devices are in immediately below track 21；The driving machine Structure 34 includes 341, two, the motor follower 343 of driving wheel 342, two, band gear, follower on driving wheel single-wheel edge and wheel rim Band single-wheel edge；Described two driving wheels are connected in left hanging plate 344, and described two followers are connected on right hanging plate 345；It is described Left hanging plate is connected with right hanging plate by two studs and nut 346；Above-mentioned motor 341 carries gear reducer, motor output shaft Band gear；The motor 341 is connected in left hanging plate, and motor output shaft is connected with above-mentioned two driving wheel external toothing at the same time.

Claims

1. a kind of bridge-type cantilever crane with lifting truck and underslung trolley, including double girder bridge (28)；The double girder bridge Including end carriage (1), girder (2)；The end carriage (1) is equipped with cart running gear (8)；It is characterized in that：Under the girder (2) Side is equipped with track (21), and the track is made of I-steel or H profile steel；The track both ends welding car bumper (70), the car stop Upper connection buffer (701)；A lifting truck (01) and a underslung trolley (3) are connected on two tracks (21), and It can be run along track；The lifting truck (01) is equipped with hook mechanism；The underslung trolley (3) is equipped with whirler Structure (4)；Sunpender axis (42) in the rotating mechanism is connected with cantilever member (5)；The cantilever member and underslung trolley (3) it Between be equipped with rotary limit device (58)；Electric block (10) is installed, electric block can be along cantilever beam on the cantilever member (5) Horizontal traversal；The cantilever beam is in operation outside extended workshop below the girder, and can rotate in the horizontal plane；Institute State to set on the end carriage (1) of double girder bridge and choose electric frame (121), two cable wire rails (124) of connection between electric frame, institute are chosen described in two State and lashed cable (123) be connected on cable wire rail, two lashed cables respectively with it is electric on underslung trolley (3) and lifting truck (01) Connection.

A kind of 2. bridge-type cantilever crane with lifting truck and underslung trolley according to claim 1, it is characterised in that： The rotating mechanism (4) includes driving device (40), bearing block (41), sunpender axis (42), and the sunpender axis passes through thrust axis Hold (45) and be connected to the bearing block (41) inside, the sunpender axis reconnects bearing A (44) and bearing B (46), the bearing A It is connected to the both ends of above-mentioned bearing block, the sunpender by bolt and fixed cover (43) and blind flange (47) respectively with bearing B Stretched from the fixed cover (43) center axis one end；Bearing block (41) outside diameter is fixedly connected on underslung trolley (3)；Institute The driving device (40) stated is composed of motor and vertical type speed reducer (change gear), the flanged disk of the vertical type speed reducer (change gear) and output shaft, institute The driving device stated is fixedly connected by bolt (48) with above-mentioned blind flange (47), and the output shaft of the driving device passes through flat key Insertion is connected in the axis hole of above-mentioned sunpender axis one end.

A kind of 3. bridge-type cantilever crane with lifting truck and underslung trolley 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 made of I-steel, or is made of H profile steel, described Cantilever beam both ends are equipped with buffing pad (511).

A kind of 4. bridge-type cantilever crane with lifting truck and underslung trolley 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 with lifting truck and underslung trolley according to claim 4, it is characterised in that： Described stop nut (9) center is equipped with screw thread (91), and the stop nut outside diameter opens up a through hole (92), and described is anti- Multiple blind holes (93) are also opened up on loose nut outside diameter.

A kind of 6. bridge-type cantilever crane with lifting truck and underslung trolley according to claim 1, it is characterised in that： The rotary limit device (58) includes travel switch (581) and safety ruler (583), the safety ruler are welded on cantilever member Holder for hanging household utensiles (52) on, the travel switch is connected by bolt with switch bracket (582)；The switch bracket is welded on outstanding Hang the trolley frame (31) of trolley below.

A kind of 7. bridge-type cantilever crane with lifting truck and underslung trolley according to claim 1, it is characterised in that： The underslung trolley (3) includes trolley frame (31), driving mechanism (34), roller devices (35)；The trolley frame is welded by steel plate Connect and form or be welded by steel plate and shaped steel combination；The trolley frame both sides connect the driving mechanism described in two sets respectively (34)；The driving mechanism is connected on trolley frame by balance plate (32) and axis pin (33)；In every set driving machine on trolley frame The side of structure reconnects a roller devices (35)；The roller devices are in immediately below track (21)；The driving mechanism (34) motor (341), two driving wheels (342), two followers (343) are included, band gear on driving wheel single-wheel edge and wheel rim, Follower band single-wheel edge；Described two driving wheels are connected in left hanging plate (344), and described two followers are connected to right hanging plate (345) on；The left hanging plate is connected with right hanging plate by two studs and nut (346)；Above-mentioned motor (341), which carries, to be subtracted Fast machine, motor output shaft band gear；The motor (341) is connected in left hanging plate, motor output shaft at the same time with above-mentioned two master Driving wheel external toothing connects.