CN107915140A - Crane with lifting truck and underslung trolley in a kind of bridge girder - Google Patents

Abstract

This application discloses the crane with lifting truck and underslung trolley in a kind of bridge girder, including the double girder bridge with end carriage and girder；End carriage is composed of balance beam and connecting rod；Cart actuating device and horizontal wheel apparatus are provided with end carriage；I-beam track is equipped with below girder；A lifting truck and a underslung trolley are connected on two tracks；Lifting truck is equipped with hook mechanism；Underslung trolley includes trolley frame, driving mechanism, roller devices；Driving mechanism is made of decelerating motor and wheel；Wheel is connected on the edge of track Ji；Driving mechanism is connected on trolley frame；Trolley frame edge simultaneously connects roller devices on the side of driving mechanism, and it is parallel with wheel center line that roller devices are in its center line below track；Rotating mechanism is set on trolley frame；Rotating mechanism is connected with cantilever member；Electric block is installed on cantilever member；Operation outside the extended workshop of cantilever beam, and can rotate in the horizontal plane.

Description

Crane with lifting truck and underslung trolley in a kind of bridge girder

Technical field

This application involves with lifting truck and underslung trolley in crane field, more particularly to a kind of bridge girder Heavy-duty machine.

Background technology

Existing bridge crane is applied in Workshop, and many machine tools have been controlled in some workshops and have been processed life Production, product and raw material are required for Real-Time Transport to next door workshop or other departments；The suspension hook of crane on workshop is from trolley Upper hang carries out lifting cargo, and trolley can only 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 the crane with lifting truck and underslung trolley, the lifting in a kind of bridge girder Machine is not only able in this workshop handling object up and down, additionally it is possible to lifts by crane this workshop directly below across outer through cart support rail beam The cargo in next door place, also can be in this workshop in cart running track direction direct lifting cargo in place outdoors, it is not necessary to by it Its 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 low roofing Workshop uses；The crane can also facilitate handling elongate article.

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

Crane with lifting truck and underslung trolley in a kind of bridge girder, includes the twin beams of end carriage 1, girder 2 composition Crane span structure 28；It is characterized in that：The end carriage 1 is composed of balance beam 102 and connecting rod 101；It is provided with the end carriage 1 The cart actuating device 8 and horizontal wheel apparatus 6 of vehicle wheel rim pulley teeth；The lower section of girder 2 is equipped with i-beam track 21；Two institutes State and a lifting truck 01 and a underslung trolley 3 are connected on i-beam track 21；The lifting truck 01 is carried equipped with suspension hook Rise mechanism；The underslung trolley 3 includes trolley frame 31, driving mechanism 34, roller devices 35；The driving mechanism 34 is by slowing down Motor 341 and wheel 342 form；The wheel is connected on above-mentioned 21 Ji edge of i-beam track；The driving mechanism 34 connects On above-mentioned trolley frame 31；Trolley frame edge simultaneously connects roller devices 35 on the side of driving mechanism, and the roller devices are in Below i-beam track, its center line and 342 centerline parallel of wheel；The central connection traversing mechanism 4 of trolley frame 31； Sunpender axis 42 in the rotating mechanism is connected with cantilever member 5；Electric block 10 is installed on the cantilever member 5；It is described outstanding Arm beam is in operation outside extended workshop below the girder, and can rotate in the horizontal plane.

Wherein, the rotating mechanism 4 includes driving device 40, bearing block 41, sunpender axis 42, and the bearing block 41 is fixed It is 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, End is equipped with screw thread, and threaded end opens up locking notch 421；The sunpender axis connects through 41 center of bearing block with 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 A44, the stop nut A Band dust cover 441, stop nut A are connected with sunpender axle thread, and the diameter of stop nut A and sunpender axis is passed through by bolt 46 Connect；The driving device 40 is composed of motor and vertical type speed reducer (change gear), and the driving device is connected to deceleration On machine bearing 401, the gear reducer bearing is fixed on trolley frame 31；The driving device output shaft is connected by shaft coupling 48 Connect one end of above-mentioned sunpender axis.

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 to the sunpender axis 42 of rotating mechanism by flat key 49 and stop nut B100 On；The stop nut B and sunpender shaft end head is connected by bolt and locking plate 110 again.

Wherein, the cart actuating device 8, including wheel 81, axle 82, decelerating motor 83, the wheel are two-wheel Edge, one side flange of wheel are provided with the gear teeth 811；The inside wheel both sides connect bearing 84, two bearing outer ring gears respectively Circle 85 is fixed on wheel；Two bearing inner races are connected on axle 82, described axle one end branch sleeve 86, the set The outside diameter of cylinder and the other end of the axle are connected in the two side walls of end carriage 1, and are fixed with baffle 87；The deceleration Motor 83 is connected on the side wall of end carriage 1, and the output shaft of the decelerating motor is connected with above-mentioned 811 external toothing of the gear teeth.

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 roller devices 35 include roller 351, roller shaft 352, bearing 353；The bearing is made by steel plate Into U-shape, slot hole 3531 is opened up in the horizontal direction on the side panel of the bearing both sides；The 351 endoporus both ends of roller fill respectively There are bearing 354 and hole baffle ring 355；352 both ends of roller shaft are designed with stop notch 3521；The roller shaft passes through shaft retaining ring 356 and two bearings 354 roller is connected；The roller shaft is by locking plate 357 and is bolted to above-mentioned branch On the slot hole 3531 of seat 353.

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 i-beam track (21) is set below the girder in the application crane, and underslung 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 electric block (10) suspension hook on underslung trolley (3) With the use of handling elongate article can be facilitated.

The application loading bridge is equipped with two rope tracks (124) and two groups of moveable lashed cables (123), one group of company Connect lifting truck (01) power supply, another group of connection underslung 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.

It is simple in structure in cart actuating device (8) in the application crane, light-weight, most of accessory in driving device Can purchased parts, price is low；The gear teeth of varying number can be set on the wheel rim of wheel, and the gear reducer output gear with standard can group Into different fast ratios, it can meet the different speed of service demands of user.

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；Wheel connection in driving mechanism On the edge of track (21) both sides Ji, ensure that underslung trolley does not drop, so as to ensure that crane is safe to use；Pacify underslung trolley side Fill two sets of driving mechanisms to be connected on same track, and roller devices (35), its benefit are installed beside every set driving mechanism Be to avoid single driving be possible to because trolley somewhat upwarp on one side adhesion wheel not produce can't run phenomenon, double drives rail It is dynamic to ensure that trolley travelling is smooth；Roller devices can limit underslung trolley while the degree upwarped, ensures that underslung trolley is stablized, operation It is smooth；Slot hole is equipped with bearing side panel in roller devices in the horizontal direction to install with roller shaft, its benefit is easy for roller Dismounting maintenance；When the bearing damage in roller devices, roller and its roller shaft can be taken off repairing from bearing horizontal direction, operation It is convenient；Power supply needed for underslung trolley and electric block and rotating mechanism passes through the lashed cable (123) on trolley lashed cable device (124) Power supply can be run back and forth with underslung trolley.

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；Drive in rotating mechanism Dynamic device output shaft is increased degree of flexibility, is improved between driving device and sunpender axis by shaft coupling (48) and sunpender axis connection Malalignment regulating power.

Cantilever beam in the application, which is provided at both ends with buffing pad, can avoid electric block from moving back and forth impact along cantilever beam Or overtravel；After stop nut B in cantilever member connection is connected with sunpender axle thread, then to have locking plate (110) to be connected to anti- Loose nut B is with sunpender axis spindle-end looseness-proof notch, avoiding stop nut B from unclamping, securely and reliably.

Brief description of the drawings

Fig. 1 is the application structural front view；

Fig. 2 is the side view (not representing horizontal wheel apparatus) 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 E direction views in Fig. 4；

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

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

Fig. 8 is horizontal wheels apparatus structure front view in the application；

Fig. 9 is the side view of Fig. 8；

Figure 10 is roller devices structural front view in the application；

Figure 11 is the side view of Figure 10.

Embodiment

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

As shown in Figure 1, Figure 2, Figure 3 shows, the crane with lifting truck and underslung trolley in a kind of bridge girder, including end carriage 1st, the double girder bridge 28 that girder 2 forms；The end carriage 1 is composed of balance beam 102 and connecting rod 101；On the end carriage 1 It is provided with the cart actuating device 8 and horizontal wheel apparatus 6 of vehicle wheel rim pulley teeth；The lower section of girder 2 is equipped with i-beam track 21； A lifting truck 01 and a underslung trolley 3 are connected on two i-beam tracks 21；The lifting truck 01 is equipped with Hook mechanism；The underslung trolley 3 includes trolley frame 31, driving mechanism 34, roller devices 35；The driving mechanism 34 It is made of decelerating motor 341 and wheel 342；The wheel is connected on above-mentioned 21 Ji edge of i-beam track；The driving mechanism 34 are connected on above-mentioned trolley frame 31；Trolley frame edge simultaneously connects roller devices 35 on the side of driving mechanism, the roller dress Put below i-beam track, its center line and 342 centerline parallel of wheel；The center of the trolley frame 31 connection rotation Mechanism 4；Sunpender axis 42 in the rotating mechanism is connected with cantilever member 5；Electric block 10 is installed on the cantilever member 5； The cantilever beam is in operation outside extended workshop below the girder, and can rotate in the horizontal plane.

As shown in Figure 4, Figure 5, the rotating mechanism 4 includes driving device 40, bearing block 41, sunpender axis 42, the axis The outside of bearing 41 is fixedly connected on trolley frame 31；The lower end branch sleeve 43 of the inner hole of bearing seat；In the sunpender axis 42 Portion is equipped with the shaft shoulder 425, and end is equipped with screw thread, and threaded end opens up locking notch 421；The sunpender axis passes through 41 center of bearing block It is connected with thrust bearing 45, the lower floor of the thrust bearing is connected to the top of bearing block, its upper strata connects with stop nut A44 Connect, the stop nut A bands dust cover 441, stop nut A is connected with sunpender axle thread, and passes through locking spiral shell by bolt 46 The diameter of female A and sunpender axis connects；The driving device 40 is composed of motor and vertical type speed reducer (change gear), the drive Dynamic device is connected on gear reducer bearing 401, and the gear reducer bearing is fixed on trolley frame 31；The driving device output Axis connects one end of above-mentioned sunpender axis by shaft coupling 48.

The cantilever member 5 is connected on the sunpender axis 42 of rotating mechanism by flat key 49 and stop nut B100；Institute The stop nut B and sunpender shaft end head stated is connected by bolt and locking plate 110 again.

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 cart actuating device 8, including wheel 81, axle 82, decelerating motor 83, the wheel are Two-wheel edge, one side flange of wheel are provided with the gear teeth 811；The inside wheel both sides connect bearing 84, two bearing outer rings respectively It is fixed on baffle ring 85 on wheel；Two bearing inner races are connected on axle 82, described axle one end branch sleeve 86, institute The other end of the outside diameter and the axle of stating sleeve is connected in the two side walls of end carriage 1, and is fixed with baffle 87；It is described Decelerating motor 83 is connected on the side wall of end carriage 1, and the output shaft of the decelerating motor is connected with above-mentioned 811 external toothing of the gear teeth.

As shown in Figure 8, Figure 9, the horizontal wheel apparatus 6 includes horizontal wheels 61, wheel shaft 62, bearing 63, the horizontal wheels While band wheel rim, and wheel rim is installed downward；Two horizontal wheels are separately positioned on the both sides of 601 tread of track, clearance fit； The horizontal wheels are connected by bearing 64, shaft retaining ring 65, hole baffle ring 66 with the wheel shaft 62；Two wheel shafts are respectively by only Movable plate 67 and it is bolted on above-mentioned bearing 63；Connection buffer 68 among the bearing；The bearing connects equipped with end carriage Connect hole 69.

As shown in Figure 10, Figure 11, the roller devices 35 include roller 351, roller shaft 352, bearing 353；The branch Seat is fabricated to U-shape by steel plate, and slot hole 3531 is opened up in the horizontal direction on the side panel of the bearing both sides；In the roller 351 Hole both ends are respectively provided with bearing 354 and hole baffle ring 355；352 both ends of roller shaft are designed with stop notch 3521；The roller Axis connects roller by shaft retaining ring 356 and two bearings 354；The roller shaft passes through locking plate 357 and bolt It is connected on the slot hole 3531 of above-mentioned bearing 353.

Claims (7)

1. the crane with lifting truck and underslung trolley in a kind of bridge girder, including end carriage (1), girder (2) composition are double Beam bridge frame (28)；It is characterized in that：The end carriage (1) is composed of balance beam (102) and connecting rod (101)；The end The cart actuating device (8) and horizontal wheel apparatus (6) of vehicle wheel rim pulley teeth are provided with beam (1)；It is equipped with below the girder (2) I-beam track (21)；A lifting truck (01) and a underslung trolley (3) are connected on two i-beam tracks (21)； The lifting truck (01) is equipped with hook mechanism；The underslung trolley (3) includes trolley frame (31), driving mechanism (34), roller devices (35)；The driving mechanism (34) is made of decelerating motor (341) and wheel (342)；The wheel connection In above-mentioned i-beam track (21) Ji Yuanshang；The driving mechanism (34) is connected on above-mentioned trolley frame (31)；Trolley frame edge And in the side of driving mechanism connection roller devices (35), the roller devices be in below i-beam track, its center line and Wheel (342) centerline parallel；The central connection traversing mechanism (4) of the trolley frame (31)；Hanging in the rotating mechanism Bar axis (42) is connected with cantilever member (5)；Electric block (10) is installed on the cantilever member (5)；The cantilever beam is in institute Operation outside extended workshop below girder is stated, and can be rotated in the horizontal plane.

2. the crane with lifting truck and underslung trolley in a kind of bridge girder according to claim 1, its feature exist In：The rotating mechanism (4) includes driving device (40), bearing block (41), sunpender axis (42), and the bearing block (41) is fixed It is connected on trolley frame (31)；The lower end branch sleeve (43) of the inner hole of bearing seat；Axis is equipped with the middle part of the sunpender axis (42) Shoulder (425), end are equipped with screw thread, and threaded end opens up locking notch (421)；The sunpender axis through bearing block (41) center with Thrust bearing (45) connects, and the lower floor of the thrust bearing is connected to the top of bearing block, its upper strata connects with stop nut A (44) Connect, the stop nut A band dust covers (441), stop nut A is connected with sunpender axle thread, and is passed through and prevented by bolt (46) The diameter of loose nut A and sunpender axis connect；The driving device (40) is composed of motor and vertical type speed reducer (change gear), institute The driving device stated is connected on gear reducer bearing (401), and the gear reducer bearing is fixed on trolley frame (31)；The drive Dynamic device output shaft connects one end of above-mentioned sunpender axis by shaft coupling (48).

3. the crane with lifting truck and underslung trolley in a kind of bridge girder according to claim 1, its feature exist In：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), Keyway (522) is equipped with the connecting hole；The Holder for hanging household utensiles other end is equipped with operation window (523)；The Holder for hanging household utensiles (52) This head of operation 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, The cantilever beam both ends are equipped with buffing pad (511).

4. the crane with lifting truck and underslung trolley in a kind of bridge girder according to claim 1, its feature exist In：It is characterized in that：The cantilever member (5) is connected to hanging for rotating mechanism by flat key (49) and stop nut B (100) On bar axis (42)；The stop nut B and sunpender shaft end head are connected by bolt and locking plate (110) again.

5. the crane with lifting truck and underslung trolley in a kind of bridge girder according to claim 1, its feature exist In：The cart actuating device (8), including wheel (81), axle (82), decelerating motor (83), the wheel are two-wheel edge, One side flange of wheel is provided with the gear teeth (811)；The inside wheel both sides connect bearing (84), two bearing outer ring gears respectively Circle (85) is fixed on wheel；Two bearing inner races are connected on axle (82), described axle one end branch sleeve (86), The other end of the outside diameter of the sleeve and the axle is connected in the two side walls of end carriage (1), and solid with baffle (87) It is fixed；The decelerating motor (83) is connected on the side wall of end carriage (1), the output shaft of the decelerating motor and the above-mentioned gear teeth (811) External toothing connects.

6. the crane with lifting truck and underslung trolley in a kind of bridge girder according to claim 1, its feature exist In：The horizontal wheel apparatus (6) includes horizontal wheels (61), wheel shaft (62), bearing (63), the horizontal wheels on one side with wheel rim, And wheel rim is installed downward；Two horizontal wheels are separately positioned on the both sides of track (601) tread, 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 are respectively by only Movable 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).

7. the crane with lifting truck and underslung trolley in a kind of bridge girder according to claim 1, its feature exist In：The roller devices (35) include roller (351), roller shaft (352), bearing (353)；The bearing is fabricated to by steel plate U-shape, opens up slot hole (3531) on the side panel of the bearing both sides in the horizontal direction；Roller (351) the endoporus both ends difference Equipped with bearing (354) and hole baffle ring (355)；Roller shaft (352) both ends are designed with stop notch (3521)；The roller shaft Roller is connected by shaft retaining ring (356) and two bearings (354)；The roller shaft by locking plate (357) and It is bolted on the slot hole of above-mentioned bearing (353).