TWM581563U - Universal forklift - Google Patents

Abstract

A universal stacker includes a body unit, a two-toothed fork, a four-wheel and a four-drive. The vehicle body unit includes a plurality of carrier plate sets extending in a front-rear direction and spaced apart, and each of the carrier plate groups has two mounting holes spaced apart in the front-rear direction. The wheels are rotatably disposed in the mounting holes, each of the wheels includes a shaft extending through the respective mounting holes along an axis, and a Mecanum wheel coupled to the shaft. Each of the shafts has a reverse outer end and an inner end, and each of the Mecanum wheels is disposed at an outer end of the respective shaft. Each drive is used to drive the respective shaft to rotate, and includes a body fixed to the respective carrier plate set and a drive shaft coupled to the inner ends of the respective shafts. This simplifies the part type and increases the assembly speed.

Description

Universal stacker

The present invention relates to a lifting device for loading or unloading, and more particularly to a universal stacker.

The existing stacker includes a front wheel set and a rear wheel set spaced apart in the front-rear direction, a motor set rotatably coupled to the front wheel set, and a hydraulic assist system for driving the rear wheel set. The motor set can drive the front wheel set and cooperate with the hydraulic assist system to advance, retreat or steer the stacker.

Since the power source of the front wheel set and the rear wheel set are not the same, the types of parts are numerous, and the body of the stacker has an asymmetric structure, which is time consuming in assembly. At the same time, the existing stacker can only move or steer forward and backward, and cannot move laterally, so it is difficult to control the movement in a small space.

Therefore, the object of the present invention is to provide a universal stacker that can simplify the type of parts, increase the assembly speed, and can move in all directions.

Thus, the novel universal stacker includes a body unit, two forks, four wheels and four drives.

The vehicle body unit includes a plurality of carrier plate sets extending in a front-rear direction and spaced apart, each carrier plate group having two mounting holes spaced apart in the front-rear direction, each mounting hole surrounding an axis, and the axis substantially along A vertical direction extending perpendicular to the front-rear direction. The forks are movably disposed at one end of the body unit. The wheels are rotatably disposed in the mounting holes and are configured to drive the body unit to move. Each wheel includes a shaft that is disposed along the axis and is rotatable about the axis, and a Mecanum wheel connected to the shaft and driven by the shaft, each shaft having an outer end and an inner end disposed oppositely along the axis, and each of the two shafts spaced apart in the left and right direction The inner ends of the rods are disposed opposite each other, and each of the Mecanum wheels is disposed at an outer end of the respective shaft.

The drivers are respectively disposed on the shafts of the wheels, and each of the drivers is coupled to an inner end of the respective shaft and is configured to drive the respective shafts to rotate. Each of the drivers includes an inner side of the respective carrier plate set And a body fixed to the respective carrier plate set, and a drive shaft rotatable relative to the body and coupled to the inner ends of the respective shafts.

The effect of the novel is that the same combination of the wheel and the driver can simplify the type of the new type of the device, and the vehicle body unit can be symmetrically designed in the front and rear direction and the left and right direction, thereby improving the assembly speed. . At the same time, the new type of Mecanum wheel can make the new type move in all directions and facilitate control.

Before the present invention is described in detail, it should be noted that the left and right direction X, the front and rear direction Y, the top and bottom direction Z, and the inside and outside are referred to as the viewing angles of the respective drawings and the normal use orientation, and the The left-right direction X, the front-rear direction Y, and the top-bottom direction Z are perpendicular to each other.

Referring to FIG. 1 , FIG. 2 and FIG. 3 , an embodiment of the novel gimbal stacker includes a vehicle body unit 1 , two forks 2 , four wheels 3 , four drives 4 , and a steering unit 5 .

The vehicle body unit 1 includes two carrier plate groups 11 extending in the front-rear direction Y and spaced apart in the left-right direction X. In the present embodiment, each of the carrier plate sets 11 has two carrier plates 12 spaced apart in the front-rear direction Y, and two hubs 13 respectively mounted and fixed to the carrier plates 12. Each of the carrier plates 12 has a mounting hole 120 extending from the outer plate surface 121 to the inner plate surface 122, and each mounting hole 120 surrounds an axis L parallel to the left and right direction X. Preferably, the mounting holes 120 are parallel to each other in the front-rear direction Y and the left-right direction X. Each of the hubs 13 is mounted on the mounting hole 120 of the respective carrier plate 12. More preferably, each of the hubs 13 has a base body 131 locked to the respective carrier plate 12 and two rotating members 132 mounted in the base body 131. And a cover 133 fixed to the base 131, and the base 131 has a through hole 134 for receiving the rotating member 132. Preferably, each of the rotating members 132 is a two-way bearing.

It should be noted that the number of the carrier boards 12 of each carrier board group 11 in the embodiment is two, but in other variations, the number of the carrier boards 12 can also be one, that is, each The carrier plate set 11 has one of the carrier plates 12, and the carrier plate 12 has two mounting holes 120, which also have the function of fixedly mounting the hubs 13. Similarly, although the number of the rotating members 132 of each of the hubs 13 in the present embodiment is two, in other variations, the number of the rotating members 132 can be one, and also has the function of a rotational connection.

The forks 2 are movably disposed at the front end of the body unit 1 and are used to load, unload, and carry goods.

Referring to FIG. 2 to FIG. 4 , the wheels 3 are mounted on the bottom end of the vehicle body unit 1 , and the wheels 3 respectively correspond to the mounting holes 120 of the carrier plate 12 and are rotatably disposed on the hubs 13 for driving The body unit 1 moves. Each of the wheels 3 includes a shaft 31 that is disposed along the axis L and is rotatable about the axis L, and a set of microphones that are coupled to the shaft 31 and driven by the shaft 31. NAMM round 32. Each of the shafts 31 is disposed on the rotating members 132 of the respective hubs 13. Each of the shafts 31 has an outer end 311 and an inner end 312 disposed oppositely along the axis L, and spaced apart in the left and right direction X. The inner ends 312 of each of the two shafts 31 are disposed opposite to each other. The inner ends 312 of each of the shafts 31 are passed through the rotating members 132 of the respective hubs 13 and are coupled to the rotating members 132. Each of the Mecanum wheels 32 is sleeved to the outer end 311 of the respective shaft 31, and each of the shafts 31 can drive the respective Mecanum wheels 32 to rotate relative to the corresponding hub 13. Each of the Mecanum wheels 32 has a center roller 321 and a plurality of planetary rollers 322 that are circumferentially inclined around the center roller 321 and are angularly inclined, thereby generating a lateral component force, thereby achieving front-rear displacement, left and right lateral displacement, Steering and omnidirectional movement around its own axis. The outer diameter of each Mecanum wheel 32 is substantially the same, producing the same lateral component, ensuring that the path of travel does not shift.

The drivers 4 are respectively mounted on the shafts 31 of the wheels 3 and are respectively fixed to the carrier plates 12 and used to drive the respective shafts 31 to rotate. Each of the drives 4 includes a body 41 that is located inside the respective carrier plate set 11 and is fixed to the respective carrier plate 12, and an inner end 312 that is rotatable relative to the body 41 and that is coupled to the respective shaft 31. Drive shaft 42. Each body 41 has a motor 411 and a reducer 412 connected to the motor 411 in the front-rear direction Y, and each drive shaft 42 is driven by a respective reducer 412 along the axis L toward the respective Mecanum wheel 32. The direction extends. More preferably, the drivers 4 are parallel to each other and are symmetrically arranged in the front-rear direction Y and the left-right direction X.

Returning to Figures 1 and 2, the steering unit 5 is used to operate the drives 4 and includes a plurality of levers 51 mounted to the body unit 1 for manipulation. By operating the levers 51, the drives 4 can be driven to rotate the wheels 3 to enable the present invention to move forward and backward, to the left and right, or to steer.

Through the above description, the advantages of the foregoing embodiments can be summarized as follows:

1. The novel model of the present invention can be simplified by the combination of the four sets of the wheel 3 and the driver 4, and the vehicle body unit 1 can be symmetrically designed in the front-rear direction Y and the left-right direction X. , thereby increasing the assembly speed.

2. In this embodiment, by fixing the body 41 of the driver 4 to the carrier plates 12, the force of the wheels 3 to withstand the weight of the entire vehicle can be dispersed through the shafts 31 to the carrier plates 11 . The hubs 13 and the carrier plates 12 reduce the influence of the forces on the drivers 4 and, therefore, the service life of the drives 4 can be increased.

3. The novel has the characteristics of moving forward, backward, left and right, and steering in all directions through the Mecanum wheel 32. Therefore, it can move freely in a small space, and the control is convenient.

4. In this embodiment, the drive unit 4 is parallel to each other and symmetrically disposed in the front-rear direction Y and the left-right direction X, and the memant wheels 32 having substantially the same outer diameter are used to improve the vehicle body unit 1. Assembly accuracy in levelness, parallelism, and perpendicularity.

However, the above is only the embodiment of the present invention, and when it is not possible to limit the scope of the present invention, all the simple equivalent changes and modifications according to the scope of the patent application and the contents of the patent specification are still This new patent covers the scope.

1‧‧‧ body unit  11‧‧‧Bearing board set  12‧‧‧Loading board  120‧‧‧Mounting holes  121‧‧‧Outer board  122‧‧‧ Inside board  13‧‧·wheels  131‧‧‧ base  132‧‧‧Rotating parts  133‧‧‧ cover  134‧‧‧Perforation  2‧‧‧牙叉  3‧‧‧ Wheels  31‧‧‧ shaft  311‧‧‧Outside  312‧‧‧ inner end  32‧‧McNam  321‧‧‧Center wheel  322‧‧‧Planet Wheel  4‧‧‧ drive  41‧‧‧Ontology  411‧‧‧Motor  412‧‧‧Reducer  42‧‧‧ drive rod  5‧‧‧Manipulation unit  51‧‧‧  L‧‧‧ axis  X‧‧‧ direction  Y‧‧‧ direction  Z‧‧‧ top and bottom direction

Other features and effects of the present invention will be apparent from the following description of the drawings, in which:  Figure 1 is a perspective view of an embodiment of the novel gimbal stacker;  Figure 2 is an incomplete perspective exploded view of the embodiment;  Figure 3 is a bottom view of the embodiment; and  Figure 4 is a cross-sectional view taken along line IV-IV of Figure 3.  

Claims (7)

A universal stacker comprising:  a vehicle body unit comprising a plurality of carrier plates extending in a front-rear direction and spaced apart, each carrier plate group having two mounting holes spaced apart in the front-rear direction, each mounting hole surrounding an axis, and the axis is substantially Extending in a left-right direction perpendicular to the front-rear direction;  a bifurcation movably disposed at one end of the body unit;  Four wheels rotatably disposed on the mounting holes and configured to drive the body unit to move, each wheel including a shaft that is disposed along the axis and is rotatable about the axis, and a Mecanum wheel connected to the shaft and driven by the shaft, each shaft having an outer end and an inner end disposed oppositely along the axis, and each of the two shafts spaced apart in the left and right direction The inner ends of the rods are disposed opposite each other, and each of the Mecanum wheels is disposed at an outer end of the respective shaft; and  Four drivers, respectively disposed on the axles of the wheels, each of the drivers being coupled to the inner ends of the respective shafts for driving the respective shafts to rotate, each of the drives including a respective inner side of the carrier plate set And a body fixed to the respective carrier plate set, and a drive shaft rotatable relative to the body and coupled to the inner ends of the respective shafts.   The universal stacker according to claim 1, wherein the vehicle body unit comprises two sets of the carrier board group, and each carrier board group has two carrier boards and two wheel hubs, and the installation of each carrier board group The holes are respectively formed by the outer surface of the respective carrier plates to the inner plate surface thereof, and the hubs of each of the carrier plate groups are respectively mounted on the respective mounting holes and fixed to the corresponding carrier plates. The axles of the wheels are respectively passed through the hubs and rotatably mounted to the hubs. The universal stacker according to claim 2, wherein each of the hubs has a base fixed to the respective carrier plates, and two rotating members disposed on the base, each base having a rotating member The perforations, the shafts of each wheel are passed through the rotating members of the respective hubs and are coupled to the rotating members such that each of the shafts can drive the respective Mecanum wheels to rotate relative to the corresponding hub. The universal stacker according to claim 2, wherein the body of each of the drives has a motor and a reducer coupled to the motor, and each of the drive shafts is driven by the respective reducer along the axis toward the respective The direction of the Mecanum wheel extends. The universal stacker of claim 1 further comprising a steering unit for operating the drives, the steering unit comprising a plurality of levers mounted to the body unit for manipulation. The universal stacker according to claim 1, wherein the drivers are parallel to each other and symmetrically disposed in the front-rear direction and the left-right direction. The universal stacker of claim 1, wherein the outer diameter of the Mecanum wheel of each wheel is substantially the same.