CN219507580U

CN219507580U - Multi-drive multi-direction forklift

Info

Publication number: CN219507580U
Application number: CN202320691607.3U
Authority: CN
Inventors: 请求不公布姓名
Original assignee: Suzhou Pioneer Material Handling Equipment and Technology Co Ltd
Current assignee: Suzhou Pioneer Material Handling Equipment and Technology Co Ltd
Priority date: 2023-03-31
Filing date: 2023-03-31
Publication date: 2023-08-11
Anticipated expiration: 2033-03-31

Abstract

The utility model provides a multi-drive multi-directional forklift, which comprises a forklift body assembly and a driving assembly, wherein the forklift body assembly comprises a forklift body; the body assembly includes a frame; the drive assembly is provided with at least one auxiliary power unit; the auxiliary power unit comprises an auxiliary wheel assembly and an auxiliary driving assembly, the auxiliary wheel assembly is rotationally connected with the frame, and the auxiliary driving assembly is connected with the auxiliary wheel assembly through a power output end. The multi-drive multi-direction forklift is provided with a plurality of independent driving units, the single driving units can generate power and grabbing force, the multi-drive multi-direction forklift can adapt to more complicated and severe working conditions, and meanwhile, the auxiliary power units are matched to finish actions such as forward movement, lateral straight movement, rotation and the like, and compared with a conventional forklift, the multi-drive multi-direction forklift is more flexible.

Description

Multi-drive multi-direction forklift

Technical Field

The utility model belongs to the technical field of forklift equipment, and particularly relates to a multi-drive multidirectional forklift structure.

Background

At present, a fork truck is mainly a forward fork truck, and most forward fork trucks are electric fork trucks. The forward fork lift truck picks up goods by horizontally moving the fork on the portal back and forth. Because of the large tonnage forward fork truck, after taking goods, the gravity center of the whole truck moves backward due to the fact that the fork moves backward towards the tail of the truck body with goods, the load of a rear driving wheel increases sharply, and at the moment, if a road surface is hollow or a condition of ascending a slope is met, the whole truck only depends on a single driving unit at the tail of the truck body to provide power, and therefore the whole truck is obviously insufficient. If the power of the rear driving unit is simply increased, the volumes of the relevant parts such as the corresponding driving motor, the gear box and the like are increased, so that the vehicle body structure is too huge, and the dead weight of the vehicle is further increased. Meanwhile, the existing forklift mostly adopts a front wheel or rear wheel steering method to control the direction, and the turning radius is large and is difficult to adapt to the complex working environment at present.

As can be seen, the existing forward forklift has at least the following disadvantages in practical application:

1. the forklift is not enough in power under the condition of large load;

2. the pulley has poor displacement stability along the direction of the central axis of the frame and a bulky power structure;

3. the forklift is heavy in movement, cannot transversely translate, has a large turning radius and lacks flexibility;

4. the outer door frame can not be inclined at will, and the goods are easy to drop when being transported.

Therefore, research and development of a forklift capable of driving multiple directions is needed, the defect of application of the existing forklift is overcome, and the actual requirements of enterprise carrying work are further met.

Disclosure of Invention

The utility model aims to solve all or part of the problems in the prior art, and provides a multi-drive multi-direction forklift which achieves the effect of enabling the forklift to safely transport goods under the condition of simple structure, can provide enough power when the forklift is loaded with a large amount of load, and enables the forklift to flexibly move.

The utility model relates to a multi-drive multi-directional forklift, which comprises: a vehicle body assembly, a drive assembly; the body assembly includes a frame; the drive assembly is provided with at least one auxiliary power unit; the auxiliary power unit comprises an auxiliary wheel assembly and an auxiliary driving assembly, the auxiliary wheel assembly is rotationally connected with the frame, and the auxiliary driving assembly is connected with the auxiliary wheel assembly through a power output end. The multi-drive multi-directional forklift is characterized in that more auxiliary power units with independent driving capability are put into the multi-drive multi-directional forklift when the carrying capacity is larger, compared with the traditional single-drive design, the multi-drive multi-directional forklift is capable of adapting to severe road conditions due to the fact that more auxiliary power units are provided and participate in driving the multi-drive multi-directional forklift, and is capable of greatly improving road condition adaptation capability under the condition of carrying load due to the fact that more driving units are put into the multi-drive multi-directional forklift, and the multi-drive multi-directional forklift is capable of enabling a vehicle body to be balanced symmetrically and coordinated, expanding application scenes of the multi-drive multi-directional forklift and enabling the vehicle body to be reasonable.

The driving assembly comprises a main power unit and a steering mechanism, earrings are arranged at two ends of the steering mechanism, the main power unit and the auxiliary power unit are rotatably connected with the frame and the steering mechanism through the earrings, and the steering mechanism is used for changing the deflection angles of the main power unit and the auxiliary power unit and locking the deflection angles. The main power unit and the auxiliary power unit control the deflection angle through the steering mechanism so as to control the advancing direction of the multi-drive multi-directional forklift, and the steering mechanism can fix the expansion and contraction amount of the steering mechanism when not operated so as to lock the current angle, so that the uncontrolled rotation of wheels is prevented.

The vehicle body assembly of the multi-drive multi-directional forklift comprises the frame; the gantry assembly of the multi-drive multi-directional forklift comprises a pulley and a fork, and the pulley is connected with the frame in a sliding manner; the main power unit comprises a main wheel assembly and a main driving assembly, wherein the main wheel assembly is rotationally connected with the frame through a rotating shaft, and the main driving assembly is connected with the main wheel assembly.

The main power unit is provided with one main power unit and is arranged at the middle position behind the bottom of the frame; the two auxiliary power units are arranged at the bottom of the frame; the connection line of the auxiliary power unit and the main power unit forms a triangle, and the gravity center of the driven multi-directional forklift in a loading state is limited in the triangle. The distribution of the main power unit and the auxiliary power unit is triangular, so that the stability of the multi-drive multi-direction forklift is enhanced, the gravity center of the multi-drive multi-direction forklift still falls in the triangle under the maximum load state, and the running safety of the multi-drive multi-direction forklift is ensured.

The main wheel assembly and the auxiliary wheel assembly include the tire and a wheel frame; the main driving assembly and the auxiliary driving assembly comprise a speed reducer and a driving motor; the driving motor and the speed reducer are fixedly arranged on two sides of the wheel frame, an extension rotating shaft of the driving motor is connected with the speed reducer, and one side, far away from the wheel frame, of the speed reducer is fixed on the inner side of the tire. The inner ring and the outer ring of the speed reducer rotate relatively to reduce the rotating speed of the driving assembly and then drive the tire.

A turntable is arranged between the wheel frame and the frame, and a potentiometer is arranged on the rotating shaft. And the potentiometer records the current deflection direction of the driving unit, and when the direction of the driving unit is parallel to the advancing direction of the multi-drive multi-direction forklift, the potential count value is calibrated to be 0.

The inside C-shaped chute that is equipped with of frame protruding position, the coaster below is equipped with the coaster base, coaster base side apex angle department all installs the gyro wheel, the coaster base is through inlay in C-shaped chute the gyro wheel with the frame is connected.

The size of the opening gap of the C-shaped chute is adjustable, and the opening gap is adjusted to control the swing amplitude of the portal assembly in the front-back direction. Through control the portal assembly swing, can prevent that the multi-drive multidirectional fork truck from because inertia leads to the goods to drop when transporting the goods.

The gantry assembly further comprises an outer gantry and an inner gantry, wherein the lower part of the outer gantry is hinged with an inclined oil cylinder, and one end of the inclined oil cylinder, which is away from the outer gantry, is fixedly connected to the pulley base; the inner door frame is embedded in the inner side of the outer door frame, the outer door frame limits the up-down moving direction of the inner door frame, an inner sliding frame is arranged on the inner door frame, and the inner sliding frame is fixedly connected with a fork. And when the multi-drive multi-directional forklift works, the fork moves along with the inner sliding frame.

The pulley base also comprises a driving sprocket, a driven sprocket, a forward moving chain and a forward moving motor; the driving chain wheels are respectively arranged at the left side and the right side of the pulley base, the forward motor drives the driving chain wheels to rotate, the driven chain wheels freely rotate, and the forward chain is wound on the driving chain wheels and the driven chain wheels which are arranged at the same side; the two ends of the forward moving chain are respectively fixed at the two ends of the C-shaped chute.

The four driven chain wheels are respectively arranged at the edge of the pulley base, and the two driven chain wheels positioned at the same side are driven by one driving chain wheel through the forward moving chain. The design of the driving chain wheel and the driven chain wheel in a matched mode improves the stability of the movement of the gantry on the pulley.

Compared with the prior art, the utility model has the main beneficial effects that:

1. each driving unit can generate ground grabbing force and driving force to the ground through the design of multiple driving, and the power of the whole forklift is improved, so that the forklift can adapt to more complex and severe working conditions;

2. through the multidirectional design, the forklift can finish lateral straight running, in-situ rotation and other operations under the condition of keeping a simple structure, and the flexibility of the movement of the forklift is greatly improved;

3. the inclination degree of the outer door frame is adjusted by adjusting the opening gap of the C-shaped sliding groove, so that different goods are guaranteed not to fall off due to inertia during transportation, and the stability of goods transportation is improved.

Drawings

In order to more clearly illustrate the technical solutions of specific embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort to a person of ordinary skill in the art.

Fig. 1 is a schematic overall structure of an embodiment of the present utility model.

Fig. 2 is a schematic view of a gantry assembly according to an embodiment of the present utility model.

Fig. 3 is a schematic diagram of the cooperation between a frame and a driving unit according to an embodiment of the utility model.

Fig. 4 is an exploded view of a driving unit according to an embodiment of the present utility model.

Fig. 5 is a schematic view of a sled and sled base according to an embodiment of the present utility model.

Fig. 6 is a schematic diagram of a straight running state of a power structure according to an embodiment of the present utility model.

Fig. 7 is a schematic diagram of a lateral straight running state of a power structure according to an embodiment of the present utility model.

FIG. 8 is a schematic diagram of the in-situ revolution of a power structure according to an embodiment of the present utility model.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully, and it is apparent that the embodiments described are only some, but not all, of the embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the embodiment of the present utility model, referring to fig. 1 in combination, a multi-drive multi-directional forklift is provided, which includes a C-shaped chute 113, a forward moving chain 324, a cab 120, and a mast assembly 300, wherein the C-shaped chute 113 may also adopt other slot shapes, and is not limited to a specific shape.

In the embodiment of the utility model, referring to fig. 2 in combination, the multi-drive multi-directional forklift comprises a gantry assembly 300, an inner gantry 312, an outer gantry 311, an inner gantry 314, a fork 315, a lifting cylinder 316, a forward motor 325, a tilting cylinder 313, a trolley base 321 and a roller 301, wherein the inner gantry 312 is embedded in the outer gantry 311, the inner gantry 312 can move within a preset range along the direction of the inner track of the outer gantry 311, the inner gantry 314 is embedded in the inner gantry 312, the fork 315 is inserted on the inner gantry 314, the inner gantry 314 and the fork 315 move along with the movement of the inner gantry 312, the outer gantry 311 is provided with the lifting cylinder 316, the lifting cylinder 316 provides power for the movement of the inner gantry 312, the tilting cylinder 313 and the forward motor 325 are installed on the outer gantry 320, the tilting cylinder 313 is hinged with the bottom of the outer gantry 311, the outer gantry 311 can tilt through the tilting cylinder telescopic cylinder, the forward motor provides power for the driving cylinder 322, the base 321 is arranged below the trolley 320, the trolley 323 on the base 321 is matched with the C-shaped trolley 113, and the roller 323 on the base 321 moves along the C-shaped chute 113.

In the embodiment of the utility model, referring to fig. 3 in combination, the multi-drive multi-directional forklift provided by the utility model comprises a frame 110, a turntable 231, a main driving unit 210b, an auxiliary driving unit 210a and a steering cylinder 240, wherein a hole site 224 for rotatably connecting an earring 241a on one side of the steering cylinder 240 with the wheel frame 222 is arranged on the wheel frame 222, and the turntable 231 is movably arranged between the frame 110 and the main driving unit 210b as well as between the turntable 231 and the auxiliary driving unit 210 a; the rotation shaft 111 passes through the frame 110, the turntable 231, the main driving unit 210b or the auxiliary driving unit 210a, so that the main driving unit 210b or the auxiliary driving unit 210a can rotate around the rotation shaft 111, meanwhile, a hole site 112 is also formed on the frame 110, and an ear ring 341b on the other side of the steering cylinder 240 is rotatably connected to the hole site 112 of the frame 110, so that the steering cylinder 334 can control the directions of the main driving unit 210b and the auxiliary driving unit 210a through the telescopic cylinder.

In the embodiment of the present utility model, referring to fig. 4 in combination, the multi-drive multi-directional forklift includes a bolt spring pad flange nut combination 237, a driving motor 232, a potentiometer 233, a transition block 236, a mounting base 235, a turntable 231, a speed reducer 234, and a tire 221, wherein the driving motor 232 and the speed reducer 234 are mounted on a wheel frame 222 through a bolt and spring pad combination 342, the speed reducer 234 and the tire 221 are connected together through the bolt spring pad flange nut combination 237, wherein the spring pad functions to buffer collision among devices, prolong service life and stability, the speed reducer 234 adjusts the rotation speed to a rotation speed suitable for forward movement of the forklift through reverse rotation of an inner ring and an outer ring, the potentiometer 233 and the mounting base 235 and the transition block 236 for fixedly mounting the potentiometer 233 are arranged on a rotating shaft 111 connected with a frame 110, the function of the potentiometer 233 is to read the deflection angle of a main driving unit 210b and an auxiliary driving unit 210a, and feed the deflection angle back to a controller, and the controller can be a control system formed by a controller, a processor or a display.

In the embodiment of the present utility model, referring to fig. 5 in combination, a multi-drive multi-directional forklift is provided, which includes a driving sprocket 322, a driven sprocket 323, and an advancing chain 324, wherein an advancing motor 325 is mounted on the back of the driving sprocket 322 to power the driving sprocket 322, the driven sprocket 323 is mounted on the sled base 221 to rotate, the advancing chain 324 is fixed on the frame 110 to keep a fixed state, and the driving sprocket 322 rotates to drive the driven sprocket 323 to rotate therewith, so that the sled base 221 can move back and forth within the range of the advancing chain 324.

In the embodiment of the present utility model, referring to fig. 6, 7 and 8 in combination, a traveling mode that can be executed by a multi-drive multi-directional forklift is provided, including three traveling modes, in which the steering wheel can only control the angle of the main power unit 210b when the center line of the auxiliary power unit 210a is kept parallel to the axis of the vehicle; the central lines of the three power units are perpendicular to the central line of the vehicle, and the steering wheel is in a sideways mode, the angle of the main power unit 210b is locked, and in the mode, the steering wheel can only control the angles of the two auxiliary power units 210a, and the deflection angles of the two auxiliary power units 210a are always equal; when the angles of the two auxiliary power units 210a change to a preset value, the multi-drive multi-directional forklift has the in-situ turning capability, and the turning radius is the smallest at this time, wherein the deflection angle range of the main power unit 210b is-90 degrees to +150 degrees, the deflection angle range of the auxiliary power unit 210a is 0 degrees to +120 degrees, and the driving units can be more than three other than the embodiment, and the specific situation is not limited.

In the embodiment of the utility model, referring to fig. 6, 7 and 8 in combination, a power mode which can be completed by a multi-drive multi-directional forklift is provided, wherein the power mode comprises three power modes, when the multi-drive multi-directional forklift only has a main power unit 210b, the power mode is a power mode of a common forward forklift, and a single main power unit 210b provides driving force for the whole forklift to travel; when the multi-drive multi-directional forklift is provided with any auxiliary power unit 210a, the vehicle is forced by the main power unit 210b and one of the auxiliary power units 210a, and at this time, the vehicle is provided with two groups of driving devices, which is called a multi-drive mode; when the multi-drive multi-directional forklift is provided with one main power unit 210b and two auxiliary power units 210a, then all three power structures of the forklift can exert force, and the forklift is changed into a full-drive mode.

It should be noted that it will be apparent to those skilled in the art that various improvements and modifications can be made to the present utility model without departing from the principles of the utility model, and such improvements and modifications fall within the scope of the appended claims.

Claims

1. A multi-drive, multi-directional forklift, comprising:

a vehicle body assembly (100), a drive assembly (200);

the vehicle body assembly (100) includes a frame (110);

the drive assembly (200) is provided with at least one auxiliary power unit (210 a);

the auxiliary power unit (210 a) comprises an auxiliary wheel assembly (220 b) and an auxiliary driving assembly (230 b), the auxiliary wheel assembly (220 b) is rotatably connected with the frame (110), and the auxiliary driving assembly (230 b) is connected with the auxiliary wheel assembly (220 b) through a power output end.

2. A multi-drive, multi-directional forklift as claimed in claim 1, wherein:

the driving assembly (200) comprises a main power unit (210 b) and a steering mechanism (240), earrings (241) are arranged at two ends of the steering mechanism (240), the main power unit (210 b) and the auxiliary power unit (210 a) are rotationally connected with the frame (110) through the earrings (241), the steering mechanism (240) is used for changing the deflection angles of the main power unit (210 b) and the auxiliary power unit (210 a) and locking the deflection angles.

3. A multi-drive multi-directional forklift as claimed in claim 2, wherein:

the gantry assembly (300) of the multi-drive multi-directional forklift comprises a pulley (320) and a fork (315), wherein the pulley is in sliding connection with the frame (110);

the main power unit (210 b) comprises a main wheel assembly (220 a) and a main drive assembly (230 a), wherein the main wheel assembly (220 a) is rotatably connected with the frame (110) through a rotating shaft (111), and the main drive assembly (230 a) is connected with the main wheel assembly (220 a).

4. A multi-drive, multi-directional forklift as claimed in claim 3, wherein:

the main power unit (210 b) is provided with one main power unit and is arranged at the middle position behind the bottom of the frame (110); two auxiliary power units (210 a) are arranged at the bottom of the frame (110); the connection line of the auxiliary power unit (210 a) and the main power unit (210 b) forms a triangle.

5. A multi-drive, multi-directional forklift as claimed in claim 3, wherein:

-said main wheel assembly (220 a) and said auxiliary wheel assembly (220 b) comprise a tyre (221) and a wheel carrier (222); -the main drive assembly (230 a) and the auxiliary drive assembly (230 b) comprise a decelerator (234) and a drive motor (232); the driving motor (232) and the speed reducer (234) are fixedly arranged at two sides of the wheel frame (222), an extension rotating shaft of the driving motor (232) is connected with the speed reducer (234), and one side, far away from the wheel frame (222), of the speed reducer (234) is fixed at the inner side of the tire (221).

6. A multi-drive, multi-directional forklift as recited in claim 5, wherein:

a turntable (231) is arranged between the wheel frame (222) and the frame (110), and a potentiometer (233) is arranged on the rotating shaft (111).

7. A multi-drive multi-directional forklift as claimed in any one of claims 3 to 6, wherein:

c-shaped sliding grooves (113) are formed in the inner side of the protruding position of the frame (110), a pulley base (321) is arranged below the pulley (320), rollers (301) are mounted at the top corners of the side faces of the pulley base (321), and the pulley base (321) is connected with the frame (110) through the rollers (301) embedded in the C-shaped sliding grooves (113).

8. The multi-drive, multi-directional forklift of claim 7, wherein:

the size of an opening gap of the C-shaped chute (113) is adjustable, and the opening gap is adjusted to control swing amplitude of the gantry assembly (300) in the front-rear direction.

9. The multi-drive, multi-directional forklift of claim 7, wherein:

the portal assembly (300) further comprises an outer portal (311) and an inner portal (312), wherein an inclined oil cylinder (313) is hinged to the lower portion of the outer portal (311), and one end, deviating from the outer portal (311), of the inclined oil cylinder (313) is fixedly connected to the pulley base (321); the inner door frame (312) is embedded inside the outer door frame (311), the outer door frame (311) limits the upward and downward moving direction of the inner door frame (312), an inner sliding frame (314) is arranged on the inner door frame (312), and the inner sliding frame (314) is fixedly connected with a fork (315).

10. A multi-drive multi-directional forklift as claimed in claim 9, wherein:

the pulley base (321) further comprises a driving sprocket (322), a driven sprocket (323), a forward moving chain (324) and a forward moving motor (325); the driving chain wheel (322) is respectively arranged at the left side and the right side of the pulley base (321), the forward motor (325) drives the driving chain wheel (322) to rotate, the driven chain wheel (323) rotates freely, and the forward chain (324) winds the driving chain wheel (322) and the driven chain wheel (323) which are arranged at the same side; both ends of the forward moving chain (324) are respectively fixed at both ends of the C-shaped chute (113).

11. A multi-drive multi-directional forklift as claimed in claim 10, wherein:

the driven chain wheels (323) are four and are respectively arranged at the edge of the pulley base (321), and the two driven chain wheels (323) positioned on the same side are driven by the driving chain wheel (322) through one advancing chain (324).