CN216443407U

CN216443407U - Integrated Mecanum wheel of OMV omnidirectional mobile vehicle

Info

Publication number: CN216443407U
Application number: CN202123011585.1U
Authority: CN
Inventors: 樊育东; 李作崙; 陈建明; 韩魁
Original assignee: Zhengzhou Jiatai Electromechanical Technology Co ltd
Current assignee: Zhengzhou Jiatai Electromechanical Technology Co ltd
Priority date: 2021-12-02
Filing date: 2021-12-02
Publication date: 2022-05-06
Anticipated expiration: 2031-12-02

Abstract

The utility model discloses an integrated Mecanum wheel of an OMV omnidirectional mobile vehicle, which comprises: the novel wheel comprises a Mecanum wheel body and a second protection frame arranged on the upper side of the Mecanum wheel body, wherein a first protection frame is arranged on the lower side of the Mecanum wheel body, the outer side of a second hub plate can be shielded and protected through a protection plate on the second protection frame, the outer side of the first hub plate can be shielded and protected through a protection plate on the first protection frame, if collision or bumping occurs in the running process of the Mecanum wheel body, a collider cannot directly act on the first hub plate or the second hub plate but collides on the second protection frame or the first protection frame, at the moment, under the combined action of a buffer spring and a buffer groove, the protection plate can move on the outer wall of the buffer ring to buffer and counteract collision force, the first hub plate and the second hub plate are prevented from being damaged, a good damping effect is achieved, and the service life of the Mecanum wheel is greatly prolonged, has good practical performance.

Description

Integrated Mecanum wheel of OMV omnidirectional mobile vehicle

Technical Field

The utility model belongs to the technical field of omnidirectional moving vehicles, and particularly relates to an integrated Mecanum wheel of an OMV omnidirectional moving vehicle.

Background

The OMV is an omnidirectional mobile vehicle. The OMV can realize the omnibearing movement of a vehicle body such as straight movement, side movement, oblique movement, autorotation, combined drifting and the like without assembling a wheel steering device, and wheels of the OMV adopt Mecanum wheel technology, a non-contact automatic guide device and a transport vehicle capable of omnibearing running along a specified guide path under the condition of no wheel steering device. The Mecanum wheels are mainly formed by connecting hubs and bearings to 45-degree rotating rollers inclined on the hubs, four Mecanum wheels are generally used in a group, the four Mecanum wheels are in symmetrical relation with each other, the four Mecanum wheels need independent forward and reverse rotation control, and the movement in each direction is realized by driving the rotation of different Mecanum wheels. At present, compared with a common wheel, the Mecanum wheel has the advantage of being capable of moving in all directions, a hub of the common wheel is wrapped by a tire, the tire can provide good protection for the hub in the driving process, however, an outer ring of the hub on the Mecanum wheel is exposed outside, and the bottommost end of the hub is only slightly higher than the bottommost end of a rotating roller, so that the hub on the Mecanum wheel is easy to damage due to collision, bump and the like in the driving process, the service life of the Mecanum wheel is greatly shortened, and therefore the utility model provides the integrated Mecanum wheel of the OMV omnidirectional moving vehicle.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an integrated Mecanum wheel of an OMV omnidirectional mobile vehicle, which aims to solve the problem that a hub on the Mecanum wheel is easy to damage due to collision, bump and the like in the driving process.

In order to achieve the purpose, the utility model provides the following technical scheme: an integrated mecanum wheel for an OMV omni-directional mobile vehicle, comprising: the novel wheel comprises a Mecanum wheel body and a second protection frame arranged on the upper side of the Mecanum wheel body, wherein a first protection frame is arranged on the lower side of the Mecanum wheel body, the first protection frame and the second protection frame are identical in structure composition, and the first protection frame and the second protection frame are connected with the Mecanum wheel body through fastening nuts.

Preferably, the mecanum wheel body comprises a first hub plate and a second hub plate arranged on the lower side of the first hub plate, a plurality of rotating rollers are rotatably connected between the first hub plate and the second hub plate, a connecting piece is connected at the central positions of the first hub plate and the second hub plate, the first hub plate and the second hub plate are fixedly connected with the connecting piece through fixing nuts, first fastening holes matched with the fastening nuts are formed in the outer walls of the first hub plate and the second hub plate, the second protection frame comprises a protection plate, the cross section of the protection plate is in an F shape, a buffer groove is formed in the protection plate, a buffer ring is sleeved in the buffer groove, a plurality of buffer springs are fixedly connected between the buffer ring and the buffer groove, and second fastening holes matched with the fastening nuts are formed in the buffer ring, and a plurality of spacing columns are distributed on the outer wall of one side of the buffer ring close to the Mecanum wheel body.

Preferably, the connecting piece includes the connecting axle all fixed cover is equipped with the overlap joint dish on the connecting axle leans on the outer wall of upper and lower side, two all be fixed with the connection pad on the outer wall of overlap joint dish, the outer wall of overlap joint dish is inside to be seted up with fixation nut matched with fixed orifices.

Preferably, the first fastening holes and the second fastening holes are arranged in a one-to-one corresponding relationship.

Compared with the existing Mecanum wheel technology, the utility model provides an integrated Mecanum wheel of an OMV omnidirectional moving vehicle, which has the following beneficial effects:

firstly, the utility model arranges the second protective frame on the upper side of the Mecanum wheel body, arranges the first protective frame on the lower side of the Mecanum wheel body, can shield and protect the outer side of the first hub disk by the protective disk on the second protective frame, can shield and protect the outer side of the second hub disk by the protective disk on the first protective frame, when the Mecanum wheel body runs, if collision or bump occurs, the collider can not directly act on the first hub disk and the second hub disk, but firstly collides on the second protective frame and the first protective frame, at this time, under the combined action of the buffer spring and the buffer groove, the protective disk can move on the outer wall of the buffer ring, buffer and offset the collision force, avoid damaging the first hub disk and the second hub disk, and have good damping function, greatly improve the service life of the Mecanum wheel, the utility model has good practical performance;

secondly, the first protection frame and the second protection frame are conveniently mounted and dismounted on the mecanum wheel body under the combined action of the fastening nut, the first fastening hole and the second fastening hole, and the mecanum wheel body protection device is simple to operate and convenient to use.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model without limiting the utility model in which:

fig. 1 is a schematic view of an integrated mecanum wheel assembly structure of an OMV omni-directional mobile vehicle according to the present invention;

FIG. 2 is a schematic view of a wheel body structure of a Mecanum according to the present invention;

FIG. 3 is a schematic side view of a wheel body of a Mecanum according to the present invention;

FIG. 4 is a schematic view of a connecting member according to the present invention;

FIG. 5 is a schematic cross-sectional view of a second protection frame according to the present invention;

in the figure: 1. a first protection frame; 2. a Mecanum wheel body; 21. a first fastening hole; 22. fixing a nut; 23. a connecting member; 231. a lap joint disc; 232. a fixing hole; 233. a connecting shaft; 234. A connecting disc; 24. a first hub plate; 25. rotating the roller; 26. a second hub plate; 3. a second protective frame; 31. a protection disk; 32. a buffer ring; 33. a second fastening hole; 34. a spacer pillar; 35. A buffer tank; 36. a buffer spring; 4. and (5) tightening the nut.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: an integrated mecanum wheel for an OMV omni-directional mobile vehicle, comprising: mecanum wheel body 2 and install in the second protection frame 3 of mecanum wheel body 2 upside, the downside of mecanum wheel body 2 is provided with first protection frame 1, first protection frame 1 is the same with the structure constitution of second protection frame 3, shelters from the protection to the upper and lower side of mecanum wheel body 2 through second protection frame 3 and first protection frame 1, first protection frame 1 and second protection frame 3 all are connected with mecanum wheel body 2 through fastening nut 4.

The mecanum wheel body 2 comprises a first wheel hub 24 and a second wheel hub 26 arranged on the lower side of the first wheel hub 24, a plurality of rotating rollers 25 are rotatably connected between the first wheel hub 24 and the second wheel hub 26, a connecting piece 23 is connected at the central position of the first wheel hub 24 and the second wheel hub 26, the first wheel hub 24 and the second wheel hub 26 are fixedly connected through the connecting piece 23, the first wheel hub 24 and the second wheel hub 26 are fixedly connected with the connecting piece 23 through a fixing nut 22, the connecting piece 23 comprises a connecting shaft 233, the lapping plates 231 are fixedly sleeved on the outer walls of the upper and lower sides of the connecting shaft 233, connecting plates 234 are fixed on the outer walls of the two lapping plates 231, fixing holes 232 matched with the fixing nut 22 are formed in the outer walls of the lapping plates 231, and when the first wheel hub 24 and the second wheel hub 26 are connected, the two connecting plates 234 are respectively inserted into the first wheel hub 24 and the second wheel hub 26, thereafter, the first hub plate 24 or the second hub plate 26 is fixedly connected at the overlapping plate 231 by passing the fixing nut 22 through the first hub plate 24 or the second hub plate 26 and tightening it in the fixing hole 232.

Second protection frame 3 includes protection dish 31, the cross sectional shape of protection dish 31 is the F type, buffer slot 35 has been seted up to protection dish 31's inside, the inside cover of buffer slot 35 is equipped with buffer ring 32, fixedly connected with a plurality of buffer spring 36 between buffer ring 32 and the buffer slot 35, under buffer spring 36 and buffer slot 35's combined action, protection dish 31 can move on buffer ring 32's outer wall, buffer ring 32's inside is seted up and is fastened the hole 33 with fastening nut 4 matched with second fastening, buffer ring 32 distributes on being close to the outer wall of mecanum wheel body 2 one side and has a plurality of spacer 34, when installing second protection frame 3, spacer 34 can support on first wheel hub dish 24, make there is the clearance between buffer ring 32 and the first wheel hub dish 24, ensure that protection dish 31 can move on buffer ring 32 outer wall. The first fastening holes 21 matched with the fastening nuts 4 are formed in the outer walls of the first hub plate 24 and the second hub plate 26, the first fastening holes 21 and the second fastening holes 33 are arranged in a one-to-one correspondence mode, the fastening nuts 4 are screwed between the corresponding first fastening holes 21 and the corresponding second fastening holes 33, the second protective frame 3 can be stably installed on the upper side of the first hub plate 24, and the first hub plate 24 is shielded and protected through the protective plate 31.

The working principle and the using process of the utility model are as follows: when the present invention is used for work, the first protection frame 1 and the second protection frame 3 are mounted on the mecanum wheel body 2, when the present invention is mounted, the fastening nuts 4 are screwed between the corresponding first fastening holes 21 and the corresponding second fastening holes 33, so that the second protection frame 3 can be stably mounted on the upper side of the first hub plate 24, in the same way, the first protection frame 1 is stably mounted on the lower side of the second hub plate 26, the outer side of the second hub plate 26 can be shielded and protected by the protection plate 31 on the first protection frame 1, the outer side of the first hub plate 24 can be shielded and protected by the protection plate 31 on the second protection frame 3, when the mecanum wheel body 2 is running, if collision or bumping occurs, the collided object does not directly act on the first hub plate 24 and the second hub plate 26, but collides with the second protection frame 3 and the first protection frame 1, at this time, under the combined action of the buffer springs 36 and the buffer grooves 35, the protection disc 31 can move on the outer wall of the buffer ring 32, so as to buffer and counteract collision force, avoid damage to the first hub plate 24 and the second hub plate 26, and have good shock absorption function.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An integral mecanum wheel for an OMV omni-directional mobile cart, comprising: the wheel body (2) of the mecanum wheel and the second protection frame (3) installed on the upper side of the wheel body (2) of the mecanum wheel, a first protection frame (1) is arranged on the lower side of the wheel body (2) of the mecanum wheel, the first protection frame (1) and the second protection frame (3) are identical in structure, the first protection frame (1) and the second protection frame (3) are connected with the wheel body (2) of the mecanum wheel through fastening nuts (4), the second protection frame (3) comprises a protection disc (31), the cross section of the protection disc (31) is in an F shape, a buffer groove (35) is formed in the protection disc (31), a buffer ring (32) is sleeved in the buffer groove (35), a plurality of buffer springs (36) are fixedly connected between the buffer ring (32) and the buffer groove (35), and second fastening holes (33) matched with the fastening nuts (4) are formed in the buffer ring (32), a plurality of spacing columns (34) are distributed on the outer wall of the buffer ring (32) close to one side of the Mecanum wheel body (2).

2. The integrated mecanum wheel for an OMV omni-directional mobile cart according to claim 1, wherein: the Mecanum wheel body (2) comprises a first wheel hub (24) and a second wheel hub (26) arranged on the lower side of the first wheel hub (24), a plurality of rotating rollers (25) are connected between the first wheel hub (24) and the second wheel hub (26) in a rotating mode, a connecting piece (23) is connected to the center positions of the first wheel hub (24) and the second wheel hub (26), the first wheel hub (24) and the second wheel hub (26) are fixedly connected with the connecting piece (23) through fixing nuts (22), and first fastening holes (21) matched with the fastening nuts (4) are formed in the inner portions of the outer walls of the first wheel hub (24) and the second wheel hub (26).

3. The integrated mecanum wheel for an OMV omni-directional mobile cart according to claim 2, wherein: connecting piece (23) are including connecting axle (233) all fix the cover on the outer wall that leans on the upper and lower side and be equipped with overlap joint dish (231), two all be fixed with connection pad (234) on the outer wall of overlap joint dish (231), fixed orifices (232) with fixation nut (22) matched with are seted up to overlap joint dish (231) inside the outer wall.

4. The integrated mecanum wheel for an OMV omni-directional mobile cart according to claim 2, wherein: the first fastening holes (21) and the second fastening holes (33) are arranged in a one-to-one corresponding relationship.