CN210942037U

CN210942037U - Suspension structure of AGV chassis

Info

Publication number: CN210942037U
Application number: CN201921944892.5U
Authority: CN
Inventors: 刘则治; 卢敬铭; 谭庆杰
Original assignee: Guangdong Fitkits Technology Co ltd
Current assignee: Guangdong Fitkits Technology Co ltd
Priority date: 2019-11-12
Filing date: 2019-11-12
Publication date: 2020-07-07
Anticipated expiration: 2029-11-12

Abstract

The utility model relates to a suspended structure on AGV chassis, including the subassembly that floats, the subassembly that floats includes seesaw and wheel, the seesaw go up the side with AGV chassis downside rotates the connection, install seesaw downside both ends the wheel. The wheels are always in contact with the ground, and cannot be overhead, so that the wheel is particularly suitable for a road surface with gradient and fluctuation, and the wheel is prevented from slipping.

Description

Suspension structure of AGV chassis

Technical Field

The utility model relates to a transportation technical field, concretely relates to suspended structure on AGV chassis.

Background

In the field of modern logistics sorting, distribution and transport, transport mechanisms such as AGVs (Automated Guided vehicles) are widely used. At present, a chassis follow-up wheel system in the AGV industry mainly comprises two universal wheels, four universal wheels or eight universal wheels.

In realizing the utility model discloses the in-process, the inventor finds that there is following problem at least in the AGV chassis follow-up train of prior art: the self-adjustability of the equipment is poor; the wheels are easy to be overhead; when the wheel runs on a road with a slope and undulation, the wheel is easy to slip. The above problems cause certain troubles in the transportation process.

Therefore, an AGV chassis suspension structure with strong adaptability and stable and effective transportation is urgently needed to be provided.

SUMMERY OF THE UTILITY MODEL

The present invention aims at least solving one of the technical problems existing in the prior art or the related art.

The utility model aims to solve the technical problem that a strong and transport steady effectual AGV chassis suspended structure of self-adaptation nature is provided.

The utility model provides an above-mentioned technical problem's technical scheme as follows: the utility model provides a suspended structure on AGV chassis, is including the subassembly that floats, the subassembly that floats includes seesaw and wheel, the seesaw go up the side with AGV chassis downside rotates to be connected, seesaw downside both ends installation the wheel.

The utility model has the advantages that: the floating assembly ensures that the wheels are always in contact with the ground, and the wheels cannot be overhead, so that the floating assembly is particularly suitable for the road with gradient and undulation, and avoids the wheels from slipping.

Specifically, there is at least one floating assembly, which may be at least two sets for added stability.

On the basis of the technical scheme, the utility model discloses can also do as follows the improvement:

further, the subassembly that floats still includes first articulated seat, first articulated seat with AGV chassis downside fixed connection, first articulated seat with the side is rotated through first articulated shaft and is connected on the seesaw.

Adopt above-mentioned further scheme's beneficial effect to be connected through articulated seat and articulated shaft can realize the rotation of seesaw and chassis well.

Further, the subassembly that floats still includes Y shape connecting piece, Y shape connecting piece includes first branch end, second branch end and third branch end, first branch end with the second branch end all with the AGV chassis is connected, the third branch end with the side is rotated and is connected on the seesaw.

The beneficial effect who adopts above-mentioned further scheme is that increase Y type support increases the stability of equipment, and then increases the stability of transportation.

Further, the subassembly that floats still includes the articulated seat of second, the articulated seat of second with AGV chassis downside fixed connection, first branch end and second branch end all through the second articulated shaft with the articulated seat of second rotates to be connected, the third branch end through the third articulated shaft with the side rotates to be connected on the seesaw.

Adopt above-mentioned further scheme's beneficial effect to be connected through articulated seat and articulated shaft can realize first branch end and second branch section and rotation on chassis well, can realize the rotation of third branch end and seesaw well through the articulated shaft and be connected

Further, the parts of the first branch end and the second branch end close to the end parts are rotatably connected with the second hinge seat.

The beneficial effects of adopting above-mentioned further scheme are that under first branch end and second branch end and the articulated seat interact of second for when the chassis was lifted up, the tip and the articulated seat butt of second of first branch end and second branch end, the universal wheel of connecting on the third branch end is unlikely to the swing amplitude too big, increases the stability of equipment.

Further, still include power component, power component is used for driving the AGV chassis moves.

The beneficial effect of adopting above-mentioned further scheme is that increase power component makes equipment can the automatic driving.

Further, power component set up in AGV chassis downside, power component is including driving motor, speed reducer and the drive wheel that connects including the transmission in proper order.

The beneficial effect who adopts above-mentioned further scheme is that above-mentioned combination is easy to assemble and can realize the drive function.

Furthermore, power component is two, is located AGV chassis both sides.

The beneficial effect who adopts above-mentioned further scheme is that the drive arrangement that can be steady goes, increases drive power.

Further, the wheels are universal wheels.

Adopt the beneficial effect of above-mentioned further scheme to be that the universal wheel allows 360 degrees rotations of level, and the transportation of being more nimble being convenient for.

The utility model discloses still relate to an AGV equipment, including the AGV chassis, still include the suspended structure on AGV chassis.

Drawings

FIG. 1 is a schematic structural view of the floating assembly of the present invention directly connected to a chassis;

FIG. 2 is a side view of the power assembly of the present invention;

FIG. 3 is a schematic view of the floating assembly of the present invention connected to a Y-shaped structure;

fig. 4 is a schematic view of the connection between the chassis suspension structure and the chassis according to the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. the wheel, 2, a seesaw, 301, a first hinge shaft, 302, a second hinge shaft, 303, a third hinge shaft, 401, a first hinge seat, 402, a second hinge seat, 5, a driving motor, 6, a speed reducer, 7, an installation frame, 8, a driving wheel, 9, a Y-shaped connecting piece and 10, a chassis.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

As shown in fig. 1-4, the utility model relates to a suspended structure on AGV chassis, including the subassembly that floats, the subassembly that floats includes seesaw 2 and

wheel

1, 2 upsides of seesaw with AGV chassis 10 downside rotates and connects, 2 downside both ends installations of seesaw wheel 1.

1-4, as a further alternative to this embodiment, the floating assembly further includes a first hinged seat 401, the first hinged seat 401 is fixedly connected to the lower side of the AGV chassis 10, and the first hinged seat 401 is rotatably connected to the upper side of the seesaw 2 through a first hinge shaft 301.

Specifically, as shown in fig. 1, the upper side surface of the seesaw is provided with a first protrusion with a hole, the lower side surface of the first hinge base is provided with two second protrusions with holes, the first protrusion is located between the two second protrusions, the first protrusion and the second protrusion are coaxially arranged, the first protrusion and the second protrusion are correspondingly arranged in the holes, the first hinge shaft penetrates through the first protrusion and the second protrusion, the two ends of the first hinge shaft are provided with limiting devices, if the two ends of the first hinge shaft are provided with an annular limiting groove and an annular clamping sheet clamped with the annular limiting groove, or the two ends of the first hinge shaft are provided with a limiting pin.

As shown in fig. 1-4, as a further scheme of this embodiment, the floating assembly further includes a Y-shaped connector 9, the Y-shaped connector 9 includes a first branch end, a second branch end and a third branch end, the first branch end and the second branch end are all connected to the AGV chassis 10, and the third branch end is rotatably connected to the upper side of the seesaw 2.

As a further solution of this embodiment, as shown in fig. 1-4, the floating assembly further includes a second hinge base 402, the second hinge base 402 is fixedly connected to the lower side of the AGV chassis 10, the first branch end and the second branch end are both rotatably connected to the second hinge base 402 through a second hinge shaft 302, and the third branch end is rotatably connected to the upper side of the seesaw 2 through a third hinge shaft 303.

Specifically, as shown in fig. 3, the third branch end is fixedly connected to or integrally formed with one end of the third hinge shaft, the seesaw has a protrusion with a hole, the third hinge shaft passes through the hole of the protrusion, and the other end of the third hinge shaft has a limiting device, such as an annular limiting groove and an annular clamping piece clamped with the annular limiting groove, or a limiting pin.

As shown in fig. 3-4, the first branch end and the second branch end have a U-shaped groove, the side wall of the U-shaped groove has a hole, the second hinge seat has a protrusion with a hole, the second hinge shaft passes through the hole on the protrusion of the second hinge seat and the corresponding hole on the side wall of the U-shaped groove, and both ends of the second hinge shaft have a limiting device, such as an annular limiting groove and an annular clamping piece clamped with the annular limiting groove at both ends of the second hinge shaft, or a limiting pin at both ends of the second hinge shaft.

As a further alternative to this embodiment, as shown in fig. 1-4, the portions of the first and second branch ends near the ends are rotatably connected to the second hinge base 402.

Specifically, as shown in fig. 4, the portions of the first branch end and the second branch end near the end portion refer to non-end portions, that is, the distances between the positions where the first branch end and the second branch end are hinged to the second hinge seat are respectively a certain distance away from the end portions of the first branch end and the second branch end, so that the chassis moves upward, and when the wheel of the third branch end moves downward, the end portions of the first branch end and the second branch end abut against the second hinge seat, so that the swing of the portion connected with the third branch end is not too large.

1-4, as a further aspect of this embodiment, a power assembly is included for driving the AGV chassis 10.

As a further solution of this embodiment, as shown in fig. 1-4, the power assembly is disposed on the lower side of the AGV chassis 10, and the power assembly includes a driving motor 5, a speed reducer 6 and a driving wheel 8, which are connected in sequence in a transmission manner.

Specifically, as shown in fig. 2, the device further comprises an installation frame, wherein a bearing is arranged on the installation frame, an output shaft of the speed reducer is in interference fit with the bearing, and the installation frame is fixedly connected with the chassis through a bolt.

1-4, as a further alternative to this embodiment, there are two power assemblies located on either side of the AGV chassis 10.

As a further alternative to this embodiment, the wheels 1 are universal wheels, as shown in fig. 1-4.

Specifically, as shown in fig. 4, one end of the chassis is rotatably connected to the first branch end and the second branch section, two sides near one end are respectively connected to a group of driving assemblies, and a group of floating assemblies are mounted in the middle of the other end of the chassis.

In the use process, the AGV driving direction is taken as the front, the other end of the chassis is taken as the front part, and the part connected with the third branch end is taken as the rear part.

The utility model discloses still relate to an AGV equipment, including AGV chassis 10, still include AGV chassis 10's suspended structure.

The utility model can ensure that two driving wheel pairs and four universal wheels are contacted until the ground is contacted, and the wheels are not overhead; the device can adapt to a road surface with gradient and undulation, and avoid the condition of slipping of a driving wheel; the second hinged seat has a limiting function besides the hinging function, and when the chassis is lifted, the swing amplitude of the rear universal wheel assembly (the universal wheel assembly connected with the third supporting end) is not too large.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element 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" and "first" 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" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. The utility model provides a suspended structure on AGV chassis, its characterized in that, is including the subassembly that floats, the subassembly that floats includes seesaw (2) and wheel (1), seesaw (2) go up the side with AGV chassis (10) downside rotates and connects, install seesaw (2) downside both ends wheel (1).

2. A suspension for an AGV chassis according to claim 1 wherein the float assembly further comprises a first hinged seat (401), the first hinged seat (401) being fixedly attached to the underside of the AGV chassis (10), the first hinged seat (401) being pivotally attached to the rocker (2) at the upper side by a first hinge axis (301).

3. A suspension for an AGV chassis according to claim 1 wherein the floating assembly further comprises a Y-shaped connection (9), the Y-shaped connection (9) comprising a first end, a second end and a third end, the first end and the second end being connected to the AGV chassis (10), the third end being pivotally connected to the upper side of the seesaw (2).

4. A suspension for an AGV chassis according to claim 3 wherein the floating assembly further comprises a second hinged seat (402), the second hinged seat (402) is fixedly connected to the underside of the AGV chassis (10), the first and second ends are rotatably connected to the second hinged seat (402) via second hinge shafts (302), and the third end is rotatably connected to the upper side of the seesaw (2) via third hinge shafts (303).

5. A suspension arrangement for an AGV chassis according to claim 4 wherein the first and second stub near the ends are pivotally connected to the second hinge mount (402).

6. The AGV chassis suspension of claim 1, further comprising a power assembly for driving the AGV chassis (10) in motion.

7. A suspension for an AGV chassis according to claim 6 wherein the power assembly is located on the underside of the AGV chassis (10) and comprises a drive motor (5), a speed reducer (6) and drive wheels (8) in sequential drive connection.

8. A suspension for an AGV according to claim 6 wherein there are two power assemblies on either side of the AGV chassis (10).

9. A suspension structure of an AGV chassis according to any of claims 1 to 8, characterized in that the wheels (1) are universal wheels.

10. AGV installation comprising an AGV chassis (10), characterized in that it further comprises a suspension of the AGV chassis (10) according to any of claims 1-9.