CN214084518U

CN214084518U - AGV driven connection structure

Info

Publication number: CN214084518U
Application number: CN202023168250.6U
Authority: CN
Inventors: 杨志昆; 任文珍; 张艳; 杨玉坡
Original assignee: Tianjin Jiazi Robot Technology Co ltd; Binhai Industrial Technology Research Institute of Zhejiang University
Current assignee: Tianjin Jiazi Robot Technology Co ltd; Binhai Industrial Technology Research Institute of Zhejiang University
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-08-31
Anticipated expiration: 2030-12-24

Abstract

The utility model provides a AGV driven connection structure, which comprises a motor, a speed reducer, the transmission shaft, the runner, the axle sleeve subassembly, base plate and nut apron, the motor is installed to the one end of speed reducer, the other end fixed connection of speed reducer is to the first end of transmission shaft, the runner is cup jointed to the second end periphery of transmission shaft, base plate and axle sleeve subassembly are cup jointed respectively to the periphery of transmission shaft, the nut apron is still installed to the second end of transmission shaft, the nut apron is located one side of runner, the base plate is located the opposite side of runner, and be equipped with the gap between base plate and the runner, the axle sleeve subassembly is located between base plate and the speed reducer, the speed reducer is peripheral, the axle sleeve subassembly periphery and the peripheral equal fixed connection of base plate to automobile body chassis, motor signal is connected to the controller. A AGV driven connection structure, the first bearing and the second bearing that set up about adopting use in pairs, and first bearing and second bearing all are tapered ball bearing for axial force when accepting wheat wheel translation.

Description

AGV driven connection structure

Technical Field

The utility model belongs to the technical field of the AGV drive, especially, relate to an AGV driven connection structure.

Background

The AGV trolley is a transport vehicle which can run along a specified guide path and has safety protection and various transfer functions, and has the characteristics of high automation degree, safety, flexibility and the like, so the AGV trolley is widely applied to automatic production and storage systems such as automobile manufacturing, machining and the like, is widely applied to the field of omnidirectional intelligent mobile equipment due to the flexibility and diversity of movement of the AGV trolley, needs a sleeved bearing to bear the axial force in the process of advancing or translating of the Mecanum wheel, can be mounted only by a special support and a clamp, has high mounting process and low efficiency, can cause the swinging of a wheel shaft once a frame gap exists between the two bearings, is seriously worn, can advance forwards and translate due to the Mecanum wheel, and is seriously worn by a ball bearing which is commonly used when the bearing is required to bear the axial force when the wheat wheel translates, the service life is very low.

Disclosure of Invention

In view of this, the utility model aims at providing a AGV driven connection structure to it is poor to accept wheat wheel translation axial force bearing installation accuracy, reduces its life's problem.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

the utility model provides a AGV driven connection structure, which comprises a motor, a speed reducer, the transmission shaft, the runner, the axle sleeve subassembly, base plate and nut apron, the one end installation motor of speed reducer, the other end fixed connection of speed reducer is to the first end of transmission shaft, the runner is cup jointed to the second end periphery of transmission shaft, base plate and axle sleeve subassembly are cup jointed respectively to the periphery of transmission shaft, the second end of transmission shaft still installs the nut apron, the nut apron is located one side of runner, the base plate is located the opposite side of runner, and be equipped with the gap between base plate and the runner, the axle sleeve subassembly is located between base plate and the speed reducer, the speed reducer is peripheral, the axle sleeve subassembly periphery and the equal fixed connection of base plate periphery to automobile body chassis, motor signal is connected to the controller.

Further, the wheel is a Mecanum wheel.

Further, the shaft sleeve assembly comprises a shell and an internal bearing assembly, a first framework oil seal and a second framework oil seal, the periphery of the shell is fixedly connected to the side wall of the vehicle body chassis, the periphery of the transmission shaft is sleeved with the bearing assembly, the first framework oil seal and the second framework oil seal respectively, and the bearing assembly is located between the first framework oil seal and the second framework oil seal.

Further, the bearing assembly comprises a first bearing and a second bearing, the first bearing and the second bearing are arranged in parallel, the first bearing and the second bearing are respectively sleeved on the periphery of the transmission shaft, a first side of the first bearing is provided with a first framework oil seal, and a first side of the second bearing is provided with a second framework oil seal.

Furthermore, the shaft sleeve assembly further comprises a distance ring, the distance ring is sleeved on the periphery of the transmission shaft, and two ends of the distance ring respectively abut against the second side of the first bearing and the second side of the second bearing.

Furthermore, the first bearing and the second bearing are both cone bearings, and the first bearing and the second bearing are arranged symmetrically.

Compared with the prior art, AGV driven connection structure have following advantage:

(1) AGV driven connection structure, the first bearing and the second bearing that set up about adopting use in pairs, and first bearing and second bearing all are tapered ball bearing for axial force when accepting the wheat wheel translation.

(2) AGV driven connection structure, increase the distance ring in the middle of first bearing and the second bearing, the design interval of two bearings of definition, the distance ring mainly plays and compensaties the tolerance effect, solves first bearing and second bearing positioning accuracy problem.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is an exploded view of an AGV-driven connection structure according to an embodiment of the present invention;

fig. 2 is an exploded schematic view of a bushing assembly according to an embodiment of the present invention.

Description of reference numerals:

1-a motor; 2, a speed reducer; 3, driving a shaft; 4-rotating wheel; 5-a shaft sleeve component; 51-a housing; 52-distance ring; 53-first framework oil seal; 54-a first bearing; 55-a second bearing; 56-second framework oil seal; 6-a substrate; 7-nut cover plate.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1-2, the connection structure for driving an AGV includes a motor 1, a speed reducer 2, a transmission shaft 3, a rotating wheel 4, a sleeve assembly 5, a base plate 6 and a nut cover plate 7, the model of the speed reducer 2 is PVF60-L2, the motor 1 is installed at one end of the speed reducer 2, the other end of the speed reducer 2 is fixedly connected to the first end of the transmission shaft 3, the rotating wheel 4 is sleeved on the periphery of the second end of the transmission shaft 3, the rotating wheel 4 is a mecanum wheel, the base plate 6 and the sleeve assembly 5 are sleeved on the periphery of the transmission shaft 3 respectively, the nut cover plate 7 is also installed at the second end of the transmission shaft 3, the nut cover plate 7 is located at one side of the rotating wheel 4, the base plate 6 is located at the other side of the rotating wheel 4, a gap is arranged between the base plate 6 and the rotating wheel 4, the sleeve assembly 5 is located between the base plate 6 and the speed reducer 2, the periphery of the sleeve assembly 5 and the periphery of the base plate 6 are all fixedly connected to a vehicle body chassis, motor 1's model is Catch 984400W, motor 1 signal connection is to the controller of AGV dolly, controller control motor 1's rotation, motor 1's transmission shaft passes through speed reducer 2 and transmits rotatory torque for transmission shaft 3, transmission shaft 3 drives 4 rotations of runner, axle sleeve subassembly 5 is used for the fixed of 3 relative positions of transmission shaft, every AGV driven connection structure is independent accessory, can design the optional equipment in AGV dolly bottom, the assembly degree of difficulty has been reduced, this drive unit's extensive suitability has been increased.

The shaft sleeve component 5 comprises a shell 51 and an internal bearing component, a first framework oil seal 53 and a second framework oil seal 56 of the shell, the periphery of the shell 51 is fixedly connected to the side wall of the vehicle body chassis, the periphery of the transmission shaft 3 is sleeved with the bearing component, the first framework oil seal 53 and the second framework oil seal 56 respectively, and the bearing component is located between the first framework oil seal 53 and the second framework oil seal 56.

The bearing assembly comprises a first bearing 54 and a second bearing 55, wherein the first bearing 54 and the second bearing 55 are arranged in parallel, the first bearing 54 and the second bearing 55 are respectively sleeved on the periphery of the transmission shaft 3, a first framework oil seal 53 is arranged on the first side of the first bearing 54, and a second framework oil seal 56 is arranged on the first side of the second bearing 55.

The shaft sleeve assembly 5 further comprises a distance ring 52, the distance ring 52 is sleeved on the periphery of the transmission shaft 3, two ends of the distance ring 52 are respectively abutted to the second side of the first bearing 54 and the second side of the second bearing 55, the distance ring is additionally arranged between the first bearing and the second bearing, the design distance between the two bearings is defined, the distance ring mainly plays a role in compensating for the tolerance, and the problem of the positioning accuracy of the first bearing and the second bearing is solved.

First bearing 54 and second bearing 55 are the taper bearing, and first bearing 54 and the mutual symmetry setting of second bearing 55 adopt the first bearing and the second bearing that set up about the adoption to use in pairs, and first bearing and second bearing all are tapered ball bearing for axial force when accepting the wheat wheel translation.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

AGV driven connection structure, its characterized in that: comprises a motor (1), a speed reducer (2), a transmission shaft (3), a rotating wheel (4), a shaft sleeve component (5), a base plate (6) and a nut cover plate (7), wherein the motor (1) is installed at one end of the speed reducer (2), the other end of the speed reducer (2) is fixedly connected to the first end of the transmission shaft (3), the rotating wheel (4) is sleeved at the periphery of the second end of the transmission shaft (3), the base plate (6) and the shaft sleeve component (5) are respectively sleeved at the periphery of the transmission shaft (3), the nut cover plate (7) is also installed at the second end of the transmission shaft (3), the nut cover plate (7) is positioned at one side of the rotating wheel (4), the base plate (6) is positioned at the other side of the rotating wheel (4), a gap is arranged between the base plate (6) and the rotating wheel (4), the shaft sleeve component (5) is positioned between the base plate (6) and the speed reducer (2), the periphery of, the motor (1) is connected with the controller through signals.
2. The AGV drive connection of claim 1, wherein: the turning wheel (4) is a Mecanum wheel.
3. The AGV drive connection of claim 1, wherein: shaft sleeve subassembly (5) include casing (51) and inside bearing assembly, first skeleton oil blanket (53) and second skeleton oil blanket (56) thereof, and casing (51) periphery fixed connection is to the lateral wall on automobile body chassis, and transmission shaft (3) periphery cup joints respectively bearing assembly, first skeleton oil blanket (53) and second skeleton oil blanket (56), bearing assembly is located between first skeleton oil blanket (53) and second skeleton oil blanket (56).
4. The AGV drive connection structure of claim 3, wherein: the bearing assembly comprises a first bearing (54) and a second bearing (55), wherein the first bearing (54) and the second bearing (55) are arranged in parallel, the first bearing (54) and the second bearing (55) are respectively sleeved on the periphery of the transmission shaft (3), a first framework oil seal (53) is arranged on the first side of the first bearing (54), and a second framework oil seal (56) is arranged on the first side of the second bearing (55).
5. The AGV drive connection structure of claim 4, wherein: the shaft sleeve assembly (5) further comprises a distance ring (52), the distance ring (52) is sleeved on the periphery of the transmission shaft (3), and two ends of the distance ring (52) are respectively abutted to the second side of the first bearing (54) and the second side of the second bearing (55).
6. The AGV drive connection structure of claim 4, wherein: the first bearing (54) and the second bearing (55) are both conical bearings, and the first bearing (54) and the second bearing (55) are arranged symmetrically.