CN107777573A

CN107777573A - A kind of bridge-type cantilever crane with underslung trolley

Info

Publication number: CN107777573A
Application number: CN201610708775.3A
Authority: CN
Inventors: 谢新华
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-08-24
Filing date: 2016-08-24
Publication date: 2018-03-09

Abstract

This application discloses a kind of bridge-type cantilever crane with underslung trolley, including double girder bridge；The double girder bridge includes end carriage, girder；The end carriage is provided with cart running gear；Track is provided with below the girder；Car bumper is welded at the track both ends, and buffer is connected on the car stop；Underslung trolley is connected on two tracks, and can be run along track；The underslung trolley is provided with rotating mechanism；Suspension rod axle in the rotating mechanism is connected with cantilever member；Rotary limit device is provided between the cantilever member and underslung trolley；Electric block is installed, electric block can move back and forth along outrigger horizontal on the cantilever member；The cantilever beam is in below girder and can rotated；Set on the end carriage of double girder bridge and choose electric frame, chosen described in two and cable wire rail is connected between electric frame, be electrically connected on cable wire rail on one end of lashed cable and underslung trolley.

Description

A kind of bridge-type cantilever crane with underslung trolley

Technical field

The application is related to crane field, more particularly to a kind of bridge-type cantilever crane with underslung trolley.

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 dolly Upper hang carries out lifting goods, and dolly 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 post, the goods 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 goods 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 individual plane, can only now turn by other transporting equipments Fortune, generally drives workshop into by automobile and lifting goods is carried out under suspension hook, some cars are opened to come in this workshop and next door workshop Between laterally lay track, allow trolley special to reach suspension hook and get off to join goods, some is in workshop doorway (or workshop passageway) A special cantilever crane is set up, scheduling is transported through to the goods outside workshop, first goods is lifted up into and hung in this workshop crane The place that hook is got at, then again by crane this goods handling to the other stations in workshop, what is used under this operating mode shows There is bridge crane, can not directly join goods 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 underslung trolley, and the lifting function passes through cart Support rail beam lifts by crane goods of this workshop across outer next door place directly below, also can be in this workshop door in cart running track direction The outer direct lifting cargo in place, it is not necessary to transported by other transporting equipments, improve efficiency, and goods can be unloaded and be placed on workshop needs Place, the crane can low roofing workshop use.

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

A kind of bridge-type cantilever crane with underslung trolley, including double girder bridge 28；The double girder bridge include end carriage 1, Girder 2；The end carriage 1 is provided with cart running gear 8；It is characterized in that：The lower section of girder 2 is provided with track 21；The rail Car bumper 70 is welded at road both ends, and buffer 701 is connected on the car stop；Underslung trolley 3, and energy are connected on two tracks 21 Run along track；The underslung trolley 3 is provided with rotating mechanism 4；Suspension rod axle 42 and cantilever member 5 in the rotating mechanism Connection；Rotary limit device 58 is provided between the cantilever member and underslung trolley 3；Electronic calabash is installed on the cantilever member 5 Reed 10, electric block can move back and forth along outrigger horizontal；The cantilever beam is in below the girder outside extended workshop Operation, 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 between electric frame Cable wire rail 124 is connected, is connected to lashed cable 123 on the cable wire rail, described lashed cable one end on underslung trolley 3 with being electrically connected.

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

Wherein, described 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, described connecting hole is interior to be provided with keyway 522；The Holder for hanging household utensiles other end is provided 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 up of I-steel, Or be made up of H profile steel, the cantilever beam both ends are provided with buffing pad 511.

Wherein, described cantilever member 5 is connected on the suspension rod axle 42 of rotating mechanism by flat key 49 and stop nut 9； Described stop nut and suspension rod axle is connected with bolt 99 again, and the bolt is through the straight of stop nut and suspension rod axle Footpath.

Wherein, the described center of stop nut 9 is provided with screw thread 91, and described stop nut external diameter opens up a through hole 92, Multiple blind holes 93 are also opened up on described stop nut external diameter and conveniently pull nut for inserting lever.

Wherein, described 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, described travel switch is connected by bolt with switch bracket 582；The switch bracket welding Below the trolley frame 31 of underslung trolley.

Wherein, described underslung trolley 3 includes trolley frame 31, drive mechanism 34, roller devices 35；The trolley frame is by steel Plate weld is formed or is welded by steel plate and shaped steel combination；The trolley frame both sides connect the drive mechanism described in two sets respectively 34；The drive mechanism is connected on trolley frame by balance plate 32 and bearing pin 33；On the side of every set drive mechanism on trolley frame Side reconnects a roller devices 35；The roller devices are in immediately below track 21；The drive 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 on 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 reductor, motor output shaft band gear；It is described Motor 341 is connected on left hanging plate, and motor output shaft is connected with above-mentioned two driving wheel external toothing simultaneously.

The beneficial effect of the application is as described below：

Cantilever beam in the application crane can be stretched out between crane locomotive to directly lifting goods outdoors or to next door workshop Thing；The next door workshop goods of cart traffic direction end points can be not only lifted by crane, and cart running track line side can be lifted by crane The goods in workshop；Because the cantilever beam of the application is arranged at below dolly and girder, cantilever beam can be by stretching into below support rail beam The direct lifting cargo in next door workshop, or the workshop operation outdoors of cart traffic direction can be directly stretched out, because the generally door in workshop Top can reach height where the support rail beam in this workshop substantially, therefore present techniques feature can realize the application purpose；Lifting After goods, pass through motion of the electric block along cantilever beam, or the rotation by cantilever member, or the shifting for passing through underslung trolley It is dynamic, or the motion by crane travelling mechanism, or by foregoing four integrated motion, the goods of lifting can be hung The place needed to this workshop；It can need not be borrowed when carrying out goods handing-over outdoors with the next door workshop of workshop surrounding or workshop The transhipment of its transporting equipment, improve efficiency.

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

Underslung trolley (3) in the application can move back and forth along girder both ends, be suitable for big width workshop and use；Suspension Drive mechanism (34) on dolly can be in whole set procurement standarized component on the market, supporting facility；Driving wheel, quilt in drive 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 dolly side two sets of drive mechanisms of installation to be connected on same track, and roller devices are installed beside every set drive mechanism (35), its be advantageous in that can avoid single driving be possible to because dolly somewhat upwarp on one side adhesion wheel not rail and caused by run not Dynamic phenomenon, dual drive ensure that trolley travelling is smooth；Roller devices can limit underslung trolley while the degree upwarped, ensures that suspension is small Car is stable, 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 suspension rod axis connection in the application rotating mechanism bear lifting power by thrust bearing, and suspension rod axle is by bearing The spacing firmly radial positions of A and above and below bearing B, ensure that suspension rod axle can bear very big axial force and not offset radially, so as to ensure Drive device axiality 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 provided 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 rotate with cantilever member, and travel switch is fixed on dolly 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 Drive device (40) output shaft insertion in rotation mechanism is connected in the axis hole of suspension rod axle one end, and power drive is simple in construction, passes Dynamic accessory is few, mechanism take up space it is small, it is compact-sized；After stop nut connects with suspension rod axle thread, then there is bolt (99) to pass through The diameter of stop nut and suspension rod axle connects, and avoids stop nut from unclamping, and securely and reliably, the blind hole on stop nut can be square Just lever inserts, 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 Fig. 1 side view；

Fig. 3 is Fig. 1 top view；

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

Fig. 5 is stop nut structural representation 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 Fig. 8 side view；

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

Embodiment

In conjunction with accompanying 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 underslung trolley, including double girder bridge 28；It is described Double girder bridge includes end carriage 1, girder 2；The end carriage 1 is provided with cart running gear 8；It is characterized in that：The lower section of girder 2 Provided with track 21；Car bumper 70 is welded at the track both ends, and buffer 701 is connected on the car stop；Connect on two tracks 21 Then underslung trolley 3, and can be run along track；The underslung trolley 3 is provided with rotating mechanism 4；In the rotating mechanism Suspension rod axle 42 is connected with cantilever member 5；Rotary limit device 58 is provided between the cantilever member and underslung trolley 3；It is described outstanding Electric block 10 is installed, electric block can move 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 cable wire rail 124 is connected between electric frame, lashed cable 123, described lashed cable one end and suspension are connected on the cable wire rail It is electrically connected on dolly 3.

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

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

As shown in figure 5, the described center of stop nut 9 is provided with screw thread 91, described stop nut external diameter opens up one and led to Hole 92, multiple blind holes 93 are also opened up on described stop nut external diameter it is used to inserting lever and conveniently pull nut.

As shown in fig. 6, described cantilever member 5 includes cantilever beam 51, Holder for hanging household utensiles 52；The Holder for hanging household utensiles one sets connection Hole 521, described connecting hole is interior to be provided with keyway 522；The Holder for hanging household utensiles other end is provided 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 up of H profile steel, the cantilever beam both ends are provided with buffing pad 511.

As shown in fig. 7, described 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, described 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, described underslung trolley 3 includes trolley frame 31, drive 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 Described drive mechanism 34；The drive mechanism is connected on trolley frame by balance plate 32 and bearing pin 33；Every on trolley frame The side for covering drive 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 on 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 reductor, motor output shaft Band gear；The motor 341 is connected on left hanging plate, and motor output shaft is connected with above-mentioned two driving wheel external toothing simultaneously.

Claims

1. a kind of bridge-type cantilever crane with underslung trolley, including double girder bridge (28)；The double girder bridge includes end carriage (1), girder (2)；The end carriage (1) is provided with cart running gear (8)；It is characterized in that：Rail is provided with below the girder (2) Road (21)；Car bumper (70) is welded at the track both ends, and buffer (701) is connected on the car stop；On two tracks (21) Underslung trolley (3) is connected to, and can be run along track；The underslung trolley (3) is provided with rotating mechanism (4)；The rotation Suspension rod axle (42) in mechanism is connected with cantilever member (5)；Rotary stopper is provided between the cantilever member and underslung trolley (3) Device (58)；Electric block (10) is installed, electric block can move back and forth along outrigger horizontal on the cantilever member (5)； The cantilever beam is in operation outside extended workshop below the girder, and can rotate in the horizontal plane；The double girder bridge Set on end carriage (1) and choose electric frame (121), connection cable wire rail (124) between electric frame is chosen described in two, is connected on the cable wire rail Lashed cable (123), described lashed cable one end on underslung trolley (3) with being electrically connected.

A kind of 2. bridge-type cantilever crane with underslung trolley according to claim 1, it is characterised in that：Described rotation Mechanism (4) includes drive device (40), bearing block (41), suspension rod axle (42), and the suspension rod axle is connected by thrust bearing (45) Internal in the bearing block (41), the suspension rod axle reconnects bearing A (44) and bearing B (46), bearing A and the bearing B points The both ends of above-mentioned bearing block it are not connected to by bolt and fixed cover (43) and blind flange (47), described suspension rod axle one end is from institute Fixed cover (43) center is stated to stretch；Bearing block (41) external diameter is fixedly connected on underslung trolley (3)；Described driving dress Put (40) to be combined by motor and vertical type speed reducer (change gear), the flanged disk of the vertical type speed reducer (change gear) and output shaft, described driving dress Put and be fixedly connected by bolt (48) with above-mentioned blind flange (47), the output shaft of the drive device is connected to by flat key insertion In the axis hole of above-mentioned suspension rod axle one end.

A kind of 3. bridge-type cantilever crane with underslung trolley according to claim 1, it is characterised in that：Described cantilever Component (5) includes cantilever beam (51), Holder for hanging household utensiles (52)；The Holder for hanging household utensiles one sets connecting hole (521), in described connecting hole Provided with keyway (522)；The Holder for hanging household utensiles other end is provided with operation window (523)；This head weldering of the operation window of the Holder for hanging household utensiles (52) It is connected on one end of the cantilever beam (51)；The cantilever beam is made up of I-steel, or is made up of H profile steel, the cantilever beam both ends Provided with buffing pad (511).

A kind of 4. bridge-type cantilever crane with underslung trolley according to claim 1, it is characterised in that：Described cantilever Component (5) is connected on the suspension rod axle (42) of rotating mechanism by flat key (49) and stop nut (9)；Described stop nut and Suspension rod axle is connected with bolt (99) again, and the bolt (99) passes through the diameter of stop nut and suspension rod axle.

A kind of 5. bridge-type cantilever crane with underslung trolley according to claim 4, it is characterised in that：Described is locking Nut (9) center is provided with screw thread (91), and described stop nut external diameter opens up a through hole (92), described stop nut external diameter On also open up multiple blind holes (93).

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

A kind of 7. bridge-type cantilever crane with underslung trolley according to claim 1, it is characterised in that：Described suspension Dolly (3) includes trolley frame (31), drive mechanism (34), roller devices (35)；The trolley frame be welded by steel plate or by Steel plate is welded with shaped steel combination；The trolley frame both sides connect the drive mechanism (34) described in two sets respectively；The driving Mechanism is connected on trolley frame by balance plate (32) and bearing pin (33)；Reconnected on trolley frame on the side of every set drive mechanism One roller devices (35)；The roller devices are in immediately below track (21)；The drive mechanism (34) includes motor (341), two driving wheels (342), two followers (343), band gear on driving wheel single-wheel edge and wheel rim, follower band single-wheel Edge；Described two driving wheels are connected on left hanging plate (344), and described two followers are connected on right hanging plate (345)；The left side Hanging plate is connected with right hanging plate by two studs and nut (346)；Above-mentioned motor (341) carries reductor, motor output Axle band gear；The motor (341) is connected on left hanging plate, and motor output shaft connects with the external toothing of above-mentioned two driving wheel simultaneously Connect.