CN211078372U - Rotary track forklift - Google Patents

Abstract

The utility model discloses a rotation track fork truck, include: the forklift comprises a forklift frame and a lifting mechanism, wherein the forklift frame comprises a supporting frame, a forklift frame and at least one layer of fork plates fixedly connected to the forklift frame; the lifting mechanism is used for driving the forklift frame to move up and down; the travelling mechanism comprises a travelling trolley, a travelling servo gear motor and travelling wheels, wherein the travelling servo gear motor and the travelling wheels are arranged on the travelling trolley; the rotating mechanism comprises a rotating trolley and a rotating servo speed reducing motor, and the rotating trolley is arranged above the walking trolley and can rotate relative to the walking trolley under the drive of the rotating servo speed reducing motor; the lower end of the supporting frame is fixed on the rotating trolley, the upper end of the lifting mechanism is fixedly connected with the forklift frame, and the lower end of the lifting mechanism is fixedly connected with the rotating trolley. The rotary track forklift has the advantages that the rotary track forklift can rotate 360 degrees besides the functions of advancing and retreating, the hoisting operation in all directions can be completed, the flexibility is high, and the problems of difficult process arrangement and large occupied area of a factory building are solved.

Description

Rotary track forklift

Technical Field

The utility model relates to a hoisting equipment, concretely relates to rotation track fork truck.

Background

The rail type forklift is a hoisting device, and the running functions of the rail type forklift in the current market only have forward and backward functions, so that the rail type forklift is lack of flexibility and has large limitation limited by a work place.

Chinese patent with publication number CN208182557U discloses a novel electric rotary forklift, which comprises a traveling system, a supporting system and a forklift body, wherein the top of the traveling system is provided with the supporting system, the supporting system is arranged on the forklift body, the forklift body is provided with a rotary system, the central position of the forklift body is provided with a slewing bearing, one side of the rotary system is provided with a lifting system, and the traveling system, the rotary system and the lifting system are electrically connected with a remote control system. However, the single-layer fork plate is only used for lightly loaded cargos, and the lifting system is made of three oil cylinders, so that the lifting distance cannot be accurately controlled.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome the not enough of above technique, provide a rotation track fork truck.

The utility model overcomes the technical scheme that its technical problem adopted is:

a swing track forklift comprising at least:

the forklift comprises a forklift frame and a lifting mechanism, wherein the forklift frame comprises a supporting frame, a forklift frame and at least one layer of fork plates fixedly connected to the forklift frame;

the lifting mechanism is used for driving the forklift frame to move up and down;

the travelling mechanism comprises a travelling trolley, a travelling servo gear motor and travelling wheels, wherein the travelling servo gear motor and the travelling wheels are arranged on the travelling trolley; and the number of the first and second groups,

the rotating mechanism comprises a rotating trolley and a rotating servo speed reducing motor, and the rotating trolley is arranged above the walking trolley and can rotate relative to the walking trolley under the drive of the rotating servo speed reducing motor;

the lower end of the supporting frame is fixed on the rotary trolley, the upper end of the lifting mechanism is fixedly connected with the forklift frame, and the lower end of the lifting mechanism is fixedly connected with the rotary trolley.

Further, the rotating trolley comprises a rotating trolley horizontal part and a rotating trolley vertical part, wherein the rotating trolley vertical part is fixedly connected to one end, close to the fork plate, of the rotating trolley horizontal part.

Further, elevating system includes the mount pad under mount pad on the electric jar, the electric jar and the electric jar, the upper end of electric jar is through mount pad and fork truck frame fixed connection on the electric jar, the lower extreme passes through mount pad and the vertical partial fixed connection of rotatory dolly under the electric jar.

Further, rotary mechanism still includes drive mechanism, drive mechanism includes gear, inner disc, slewing bearing and outer lane, and slewing bearing includes inner circle, outer lane and sets up the rolling element between inner circle and outer lane, the inner circle passes through the inner disc and is connected with the upper surface fixed of walking dolly, and the outer lane passes through the outer lane and is connected with the lower surface fixed of rotatory dolly horizontal part, and the gear is fixed in on rotatory servo gear motor's the output shaft and the gear meshes with the outer lane mutually.

Further, still including direction stop gear, direction stop gear includes two at least pairs of fork truck bearings and two at least pairs of bolt formula bearings, the fork truck bearing sets up between fork truck frame and rotatory dolly vertical portion, the axial of fork truck bearing is parallel with ground and just mutually perpendicular with the direction of fork board, the bolt formula bearing is fixed in on the channel-section steel of fork truck frame, the axial of bolt formula bearing is parallel with ground and with the direction of fork board.

Furthermore, the bilateral symmetry of walking dolly is equipped with the type of falling U frame, the walking wheel includes a pair of action wheel and at least a pair of follow driving wheel, the action wheel passes through chain coupling and walking servo gear motor's output shaft, action wheel and follow driving wheel all set up in the type of falling U frame.

Furthermore, a plurality of balancing weights are arranged on the horizontal part of the rotary trolley and are placed at one end far away from the fork plate.

Further, the forklift frame further comprises an auxiliary frame, and the auxiliary frame is fixedly connected to the lower portion of the forklift frame and located on the side opposite to the mounting fork plate.

Furthermore, the fork plate is detachably and fixedly connected to the fork frame.

Further, the fork plate is multi-tooth.

The utility model has the advantages that:

1. the utility model discloses a rotation track fork truck except possessing ordinary track fork truck's the function of advancing forward and retreating, can also 360 gyrations for can accomplish the jack-up operation in all directions through a machine, the flexibility is high, has solved the technology and has arranged the difficulty, and the big difficult problem of factory building area, and has reduced work degree, has improved work efficiency greatly.

2. The utility model provides a walking servo gear motor, rotatory servo gear motor and electric jar all adopt servo automatically controlled for walking distance control is accurate around, and gyration angle control is accurate, and the oscilaltion distance is also accurate controllable.

3. The utility model discloses a rotation track fork truck can be used for the heavy load, can promote light-duty to the goods that ten several tons are heavy, and application scope is wide.

Drawings

Fig. 1 is a schematic perspective view of a rotary track forklift according to an embodiment of the present invention.

Fig. 2 is a schematic view of a front view structure of the rotary track forklift according to the embodiment of the present invention.

Fig. 3 is an enlarged schematic view of a portion a in fig. 2.

Fig. 4 is the embodiment of the present invention, which is a schematic view of a left side view of a rotary track forklift.

Fig. 5 is a schematic bottom view of the rotary track forklift according to the embodiment of the present invention.

Fig. 6 is an enlarged schematic structural view of the guide limiting mechanism in fig. 5.

In the figure, 1, a forklift frame, 11, a support frame, 12, a forklift frame, 121, channel steel, 13, a fork plate, 14, an auxiliary frame, 2, a lifting mechanism, 21, an electric cylinder, 22, an electric cylinder upper mounting seat, 23, an electric cylinder lower mounting seat, 24, a fisheye bearing, 25, a pin shaft, 3, a travelling mechanism, 31, a travelling trolley, 311, an inverted U-shaped frame, 32, a travelling servo reducing motor, 33, a driving wheel, 34, a driven wheel, 35, a chain coupling, 4, a rotating mechanism, 41, a rotary trolley, 411, a rotary trolley horizontal part, 412, a rotary trolley vertical part, 42, a rotary servo reducing motor, 43, a gear, 44, an inner disc, 45, a slewing bearing, 451, an inner ring, 452, an outer ring, 453, a rolling body, 46, an outer disc, 5, a guide limiting mechanism, 51, a forklift bearing, 52, a bolt type bearing, 6 and a counterweight block.

Detailed Description

In order to facilitate better understanding of the present invention for those skilled in the art, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments, which are given by way of illustration only and thus do not limit the scope of the present invention.

As shown in fig. 1, the rotary rail forklift described in this embodiment at least includes a forklift frame 1, a lifting mechanism 2, atraveling mechanism 3, and a rotating mechanism 4.

In this embodiment, as shown in fig. 1 and 2, the forklift frame 1 includes a supportingframe 11, aforklift frame 12 and at least one layer offork plate 13 fixedly connected to the forklift frame, preferably, thefork plate 13 is detachably and fixedly connected to theforklift frame 12, specifically, thefork plate 13 is connected to theforklift frame 12 through a bolt, the number of thefork plates 13 can be increased or decreased according to the loaded goods, in addition, the fork plate can be selected to be single-tooth or multi-tooth according to actual needs, and in this embodiment, it is preferable that thefork plate 13 is multi-tooth.

In this embodiment, elevating system 2 is used for drivingfork truck frame 12 up-and-down motion to drive the goods up-and-down motion on the fork board throughfork board 13, elevating system 2 can select for use electric cylinder drive mode or hydro-cylinder drive mode, the preferred electric cylinder drive mode of this embodiment. Specifically, as shown in fig. 4, the lifting mechanism 2 includes anelectric cylinder 21, an electric cylinderupper mounting seat 22 and an electric cylinderlower mounting seat 23, the upper end of theelectric cylinder 21 is fixedly connected to theforklift frame 12 through the electric cylinderupper mounting seat 22, and the lower end is fixedly connected to the rotating trolleyvertical portion 412 through the electric cylinderlower mounting seat 23; further, the upper end of theelectric cylinder 21 is provided with a fisheye bearing 24, and the fisheye bearing 24 is connected with the electric cylinderupper mounting seat 22 through apin shaft 25. In the embodiment, the electric cylinder is used as the driving of the lifting mechanism, and the electric cylinder is a modularized product which integrally designs the servo motor and the lead screw, so that the high-precision control of the moving distance can be realized.

In this embodiment, as shown in fig. 2 and 5, thetraveling mechanism 3 includes atraveling trolley 31, and a travelingservo gear motor 32 and a traveling wheel which are arranged on the traveling trolley, and preferably, the travelingservo gear motor 32 is arranged in the middle of the travelingtrolley 31; further, inverted U-shapedframes 311 are symmetrically arranged on two sides of thetraveling trolley 31, the traveling wheels include a pair ofdriving wheels 33 and at least a pair of drivenwheels 34, in this embodiment, preferably, the drivenwheels 34 are two pairs, one pair of the driven wheels is arranged in front of thedriving wheels 33, the other pair of the driven wheels is arranged behind thedriving wheels 33, thedriving wheels 33 are connected with an output shaft of the travelingservo gear motor 32 through achain coupling 35, and thedriving wheels 33 and the drivenwheels 34 are both arranged in the inverted U-shapedframes 311 and extend out from the lower surfaces of the inverted U-shapedframes 311; the walkingservo gear motor 32 rotates to drive thedriving wheel 33 to rotate through thechain coupling 35, and the shaft at one end of each drivenwheel 34 is limited to drive the drivenwheel 34 to walk through thedriving wheel 33.

In this embodiment, as shown in fig. 2 and 4, the rotating mechanism 4 includes a rotatingtrolley 41 and a rotatingservo deceleration motor 42, the rotatingtrolley 41 is disposed above thetraveling trolley 31 and can rotate relative to thetraveling trolley 31 under the driving of the rotatingservo deceleration motor 42; specifically, the rotatingtrolley 41 comprises a rotating trolleyhorizontal part 411 and a rotating trolleyvertical part 412, wherein the rotating trolleyvertical part 412 is fixedly connected to one end of the rotating trolleyhorizontal part 411 close to thefork plate 13, and the lower end of thesupport frame 11 is fixed on the rotating trolleyhorizontal part 411; the rotating mechanism 4 further comprises a transmission mechanism, as shown in fig. 3, the transmission mechanism comprises agear 43, aninner disc 44, a slewing bearing 45 and anouter disc 46, the slewing bearing 45 comprises an inner ring 451, anouter ring 452 androlling bodies 453 arranged between the inner ring and the outer ring, the inner ring 451 is fixedly connected with the upper surface of thetraveling trolley 31 through theinner disc 44, theouter ring 452 is fixedly connected with the lower surface of thehorizontal part 411 of the traveling trolley through theouter disc 46, thegear 43 is fixed on the output shaft of the rotary servo speed-reducingmotor 42, and thegear 43 is meshed with theouter ring 452. The rotating mechanism 4 enables the rotatingtrolley 41 to drive the forklift frame 1 to rotate within an angle range of 360 degrees, and the forklift frame can rotate clockwise and anticlockwise.

As a preferred embodiment, the rotary track forklift further includes a guiding and limitingmechanism 5, as shown in fig. 5 and 6, the guiding and limiting mechanism includes at least two pairs offorklift bearings 51 and at least two pairs of bolt-type bearings 52, in this embodiment, it is preferred that theforklift bearings 51 are five pairs, the bolt-type bearings 52 are three pairs, theforklift bearings 51 are disposed between theforklift frame 12 and the rotating trolleyvertical portion 412, an axial direction of theforklift bearings 51 is parallel to the ground and perpendicular to a direction of thefork plate 13, theforklift bearings 51 are used for up-and-down guiding of theforklift frame 12 and have a certain bearing capacity, the bolt-type bearings 52 are fixed on thechannel section 121 of theforklift frame 12 and are located in the grooves of thechannel section 121, an axial direction of the bolt-type bearings 52 is parallel to the ground and parallel to the direction of thefork plate 13, and the bolt-type bearings 52 are used for left-and-.

Further, as shown in fig. 1 and 2, a plurality ofcounterweights 6 are disposed on thehorizontal portion 411 of the rotating cart and are disposed at an end far from thefork plate 13, and the number of thecounterweights 6 can be selected according to actual needs.

In order to enhance the rigidity of the forklift frame, as shown in fig. 1 and 2, the forklift frame 1 further includes anauxiliary frame 14, and theauxiliary frame 14 is a rectangular frame fixedly connected to the lower portion of theforklift frame 12 and located on the opposite side of themounting fork plate 13.

The operating principle of the rotary track forklift described in this embodiment is as follows:

during use, the rotary track forklift is placed on a track in a plant, namely, thedriving wheel 33 and the drivenwheel 34 are placed on a track matched with the track forklift. When the rail forklift needs to move forward or backward, thedriving wheel 33 is driven to rotate by the walking servospeed reducing motor 32, so that the drivenwheel 34 is driven to rotate; when the forklift needs to rotate, thegear 43 is driven to rotate through the rotary servospeed reducing motor 42, so that therotary trolley 41 is driven to rotate, the forklift frame 1 is driven to integrally rotate, and the goods on thefork plate 13 are transferred to the target position; when lifting is needed, theforklift frame 12 is driven to ascend or descend by theelectric cylinder 21, so that goods on the forklift plate are driven to move up and down by theforklift plate 13.

The rotation track fork truck described in this embodiment except possessing ordinary track fork truck's the function of advancing and retreating, can also 360 gyration for can accomplish the jack-up operation in all directions through a machine, solve the technology and arranged the difficulty difficult problem that difficult, factory building area is big. In addition, in the embodiment, the walking servospeed reduction motor 32, the rotating servospeed reduction motor 42 and theelectric cylinder 21 are all controlled by servo electric control, so that the front-back walking distance is accurately controlled, the rotation angle is accurately controlled, and the up-down lifting distance is also accurately controllable.

The foregoing has described only the basic principles and preferred embodiments of the present invention and numerous changes and modifications may be made by those skilled in the art in light of the above teachings and shall fall within the scope of the present invention.

Claims (10)

1. A rotary rail forklift comprising at least:

the forklift comprises a forklift frame (1) and a lifting mechanism, wherein the forklift frame comprises a supporting frame (11), a forklift frame (12) and at least one layer of fork plates (13) fixedly connected to the forklift frame;

the lifting mechanism (2) is used for driving the forklift frame (12) to move up and down;

the travelling mechanism (3) comprises a travelling trolley (31), a travelling servo gear motor (32) and travelling wheels, wherein the travelling servo gear motor and the travelling wheels are arranged on the travelling trolley; and the number of the first and second groups,

the rotating mechanism (4) comprises a rotating trolley (41) and a rotating servo speed reducing motor (42), wherein the rotating trolley (41) is arranged above the walking trolley (31) and can rotate relative to the walking trolley (31) under the driving of the rotating servo speed reducing motor (42);

the lower end of the support frame (11) is fixed on the rotary trolley (41), the upper end of the lifting mechanism (2) is fixedly connected with the forklift frame (12), and the lower end of the lifting mechanism is fixedly connected with the rotary trolley (41).

2. Rotary rail-lift truck according to claim 1, characterized in that the swivel trolley (41) comprises a swivel trolley horizontal part (411) and a swivel trolley vertical part (412), wherein the swivel trolley vertical part (412) is fixedly connected to one end of the swivel trolley horizontal part (411) close to the fork plate (13).

3. Rotary rail forklift according to claim 2, wherein the lifting mechanism (2) comprises an electric cylinder (21), an upper electric cylinder mounting seat (22) and a lower electric cylinder mounting seat (23), the upper end of the electric cylinder (21) is fixedly connected to the forklift frame (12) via the upper electric cylinder mounting seat (22), and the lower end is fixedly connected to the vertical part (412) of the rotary trolley via the lower electric cylinder mounting seat (23).

4. Rotary type rail-mounted forklift truck according to claim 2, wherein the rotating mechanism (4) further comprises a transmission mechanism comprising a gear (43), an inner disc (44), a slewing bearing (45) and an outer disc (46), the slewing bearing (45) comprises an inner ring (451), an outer ring (452) and rolling bodies (453) arranged between the inner ring and the outer ring, the inner ring (451) is fixedly connected with the upper surface of the traveling trolley (31) through the inner disc (44), the outer ring (452) is fixedly connected with the lower surface of the horizontal part (411) of the traveling trolley through the outer disc (46), the gear (43) is fixed on the output shaft of the rotary servo speed-reducing motor (42) and the gear (43) is meshed with the outer ring (452).

5. Rotary rail forklift according to claim 2, further comprising a guiding and limiting mechanism (5) comprising at least two pairs of forklift bearings (51) and at least two pairs of bolt-type bearings (52), wherein the forklift bearings (51) are disposed between the forklift frame (12) and the rotating trolley vertical part (412), the forklift bearings (51) have an axial direction parallel to the ground and perpendicular to the direction of the fork plate (13), the bolt-type bearings (52) are fixed to the channel steel (121) of the forklift frame (12), and the bolt-type bearings (52) have an axial direction parallel to the ground and parallel to the direction of the fork plate (13).

6. Rotary rail-lift truck according to claim 1, characterized in that the travelling carriages (31) are symmetrically provided with inverted U-shaped frames (311) on both sides, the travelling carriages comprise a pair of driving wheels (33) and at least a pair of driven wheels (34), the driving wheels (33) are connected with the output shaft of the travelling servo gear motor (32) through a chain coupling (35), and the driving wheels (33) and the driven wheels (34) are both arranged in the inverted U-shaped frames (311).

7. Rotary rail-lift truck according to claim 2, characterized in that on the horizontal part (411) of the trolley there are several counterweights (6) placed at the end far from the fork plate (13).

8. Rotary rail forklift according to any of claims 1 to 7, wherein the forklift frame (1) further comprises an auxiliary frame (14), the auxiliary frame (14) being fixedly attached to the lower part of the forklift frame (12) and located on the side opposite to the mounting fork plate (13).

9. Rotary rail forklift according to claim 1, wherein the fork plate (13) is detachably and fixedly connected to the forklift frame (12).

10. Rotary track lift truck according to claim 1, characterized in that the fork plates (13) are of the multi-tooth type.

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