CN213201052U - Support arrangement suitable for roller car - Google Patents

Abstract

The present disclosure provides a strutting arrangement suitable for roller car, includes: the chassis comprises a front chassis and a rear chassis, wherein the front chassis and the rear chassis are connected together and can relatively rotate around an axis of the connection part of the front chassis and the rear chassis; and the connecting rod mechanism is bridged on the front chassis and the rear chassis and can rotate along with the front chassis or the rear chassis around the axis of the joint of the front chassis and the rear chassis. Through the embodiment of the utility model provides a make current automatic guided vehicle under the prerequisite that does not need climbing mechanism, accomplish the effect of supporting roller mechanism, and stable in structure, support ability powerful.

Description

Support arrangement suitable for roller car

Technical Field

The utility model relates to an intelligent storage field especially relates to a strutting arrangement suitable for roller car.

Background

With the development of flexible automatic conveying equipment technology, more and more warehouse logistics and production and manufacturing markets begin to use AGVs as daily conveying carriers in large quantities and high density. The supporting device of the conventional AGV trolley is a jacking mechanism and has supporting and lifting functions, and the roller trolley directly installs the roller mechanism on the AGV tray. The mechanism assembly comprises a motor, a speed reducer, a large gear disc, a small gear disc and the like, and is difficult to disassemble and assemble due to a complex structure.

When transporting ordinary goods shelves often need to push up goods and goods shelves through AGV's climbing mechanism, break away from ground and have reached the effect of removal transport, but the course of operation of roller mechanism carries out the transmission in the single side through the rolling mode of running roller with the goods on the gyro wheel. The roller mechanism does not need a jacking function because it is connected with the AGV itself, and adding the jacking mechanism means the complexity of the AGV structure and the increase of weight.

In addition, because the road surface may have unevenness, the phenomenon that the AGV overloads or slips easily occurs when the AGV moves, and the position and angle control deviation in the automatic moving process of the AGV is overlarge, so that the position repetition accuracy of the AGV is poor.

The statements in the background section are merely prior art as they are known to the inventors and do not, of course, represent prior art in the field.

SUMMERY OF THE UTILITY MODEL

In view of at least one defect of the prior art, the utility model provides a strutting arrangement suitable for roller car includes:

the chassis comprises a front chassis and a rear chassis, wherein the front chassis and the rear chassis are connected together and can relatively rotate around an axis of the connection part of the front chassis and the rear chassis;

and the connecting rod mechanism is bridged on the front chassis and the rear chassis and can rotate along with the front chassis or the rear chassis around the axis of the joint of the front chassis and the rear chassis.

According to an aspect of the utility model, link mechanism includes vertical connecting rod and slant connecting rod, the first end of vertical connecting rod and the first end of slant connecting rod link together, but the second end pivot ground of vertical connecting rod is connected on one in preceding chassis or the back chassis, but the second end pivot ground of slant connecting rod is connected on another in preceding chassis or the back chassis.

According to an aspect of the utility model, link mechanism includes the optical axis, the first end of vertical connecting rod with the first end of slant connecting rod is passed through the optical axis and is articulated.

According to the utility model discloses an aspect, wherein the second end of vertical connecting rod with the back chassis is articulated through the round pin axle, the second end of slant connecting rod with preceding chassis is articulated through the round pin axle.

According to the utility model discloses an aspect, the slant connecting rod is right angled triangle or nearly right angled triangle structure, trilateral long limit, minor face and hypotenuse of slant connecting rod respectively.

According to the utility model discloses an aspect, the slant connecting rod is L shape, the longer one side of length is long limit in the slant connecting rod, and the another side is the minor face.

According to the utility model discloses an aspect, link mechanism includes two vertical connecting rod and two the slant connecting rod, the minor face length of slant connecting rod with the length of vertical connecting rod equals, the optical axis has one.

According to an aspect of the utility model, link mechanism includes the transverse plate, the transverse plate is installed on the long limit of two slant connecting rods to fix the distance between two slant connecting rods.

According to an aspect of the utility model, strutting arrangement includes two the transverse plate is located respectively two slant connecting rod's long limit on different positions department.

According to the utility model discloses an aspect still includes pivot clamp plate, shock attenuation piece and limiting plate, wherein the pivot clamp plate with the limiting plate is installed on the preceding chassis, in order to restrict relative motion and rotation angle between preceding chassis and the rear chassis, the shock attenuation piece is installed on the rear chassis, in order to cushion interact between limiting plate and the rear chassis.

Through the utility model discloses an embodiment, can make AGV's supporting mechanism's structure simpler stable, dismantle more convenient, can overcome the AGV wheel that unsmooth ground caused simultaneously and locate not atress or receive the overload force and the phenomenon of transshipping or skidding that leads to.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure and are not to limit the disclosure. In the drawings:

fig. 1 shows a right side view of a support device according to an embodiment of the invention;

figure 2 shows an exploded view of a support device according to one embodiment of the present invention;

fig. 3A shows a connection diagram of a linkage mechanism to a chassis according to an embodiment of the present invention;

FIG. 3B shows an enlarged view of the connection of the vertical link shown in FIG. 3A with the rear chassis;

fig. 4 shows a hinged mounting view of the front chassis and the rear chassis according to an embodiment of the invention;

FIG. 5 shows an effect of the front and rear chassis shown in FIG. 4 after being hingedly mounted;

fig. 6 shows a motion diagram of a linkage mechanism according to an embodiment of the invention; and

figure 7 shows a schematic diagram of how the present invention cooperates with a roller mechanism.

Detailed Description

In the following, only certain exemplary embodiments are briefly described. As those skilled in the art can appreciate, the described embodiments can be modified in various different ways, without departing from the spirit or scope of the present disclosure. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.

In the description of the present disclosure, 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", and the like, indicate orientations or positional relationships based on those 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 considered as limiting the present disclosure. 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, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present disclosure, "a plurality" means two or more unless specifically limited otherwise.

Throughout the description of the present disclosure, it is to be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection, either mechanically, electrically, or otherwise in communication with one another; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present disclosure can be understood by those of ordinary skill in the art as appropriate.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise the first and second features being in direct contact, or may comprise the first and second features being in contact, not directly, but via another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.

The following disclosure provides many different embodiments or examples for implementing different features of the disclosure. To simplify the disclosure of the present disclosure, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present disclosure. Moreover, the present disclosure may repeat reference numerals and/or reference letters in the various examples, which have been repeated for purposes of simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or arrangements discussed. In addition, the present disclosure provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.

The preferred embodiments of the present disclosure will be described below with reference to the accompanying drawings, and it should be understood that the preferred embodiments described herein are merely for purposes of illustrating and explaining the present disclosure and are not intended to limit the present disclosure.

Fig. 1 shows a right side view of a support device according to an embodiment of the invention. As shown in fig. 1, the supporting device 100 includes: the chassis comprises a front chassis 1 and a rear chassis 7, wherein the front chassis 1 and the rear chassis 7 are connected together, and the front chassis 1 and the rear chassis 7 can relatively rotate around the axis of the connection position. The link mechanism is bridged on the front chassis 1 and the rear chassis 7 and can rotate together with the front chassis 1 or the rear chassis 7 around the axis of the connection part. The connecting rod mechanism comprises a vertical connecting rod 5 and an oblique connecting rod 2, and the vertical connecting rod 5 and the oblique connecting rod 2 are connected together.

Fig. 2 shows an exploded view of a support device 100 according to an embodiment of the present invention. As shown in the figure, the supporting device 100 further includes an optical axis 4, wherein through holes are drilled at both ends of the vertical connecting rod 5 and the oblique connecting rod 2, the first end 51 of the vertical connecting rod 5 is hinged to the first end 21 of the oblique connecting rod 2 through the optical axis 4, the second end 52 of the vertical connecting rod 5 is pivotally connected to one of the front chassis 1 or the rear chassis 7, and the second end 22 of the oblique connecting rod 2 is pivotally connected to the other of the front chassis 1 or the rear chassis 7. When relative rotation motion exists between the front chassis 1 and the rear chassis 7, the vertical connecting rod 5 and the oblique connecting rod 2 are connected in a hinged mode through the optical axis 4, so that the rotation angle between the front chassis 1 and the rear chassis 7 cannot be influenced.

As shown in fig. 2, the diagonal link 2 has a right triangle or a nearly right triangle structure, and this arrangement makes the structure of the diagonal link 2 more stable. Trilateral according to length and angle of slant connecting rod 2 divide into long limit, minor face and hypotenuse, the hypotenuse has strengthened the structural strength of slant connecting rod 2. According to the utility model discloses a further embodiment, slant connecting rod 2 can also set up to L shape, the longer one side of length is long limit in the slant connecting rod 2, and the another side is the minor face. As can be seen from the assembly relationship shown in fig. 1, the length of the short side of the diagonal link 2 and the length of the vertical link 5 should be as equal as possible, so that the roller mechanism loaded thereon is placed smoothly. Limited by the size of the chassis, and also for better articulation with the diagonal links 2, the vertical links 5 are shaped as a step.

According to a preferred embodiment of the present invention, the link mechanism includes two vertical links 5, two slant links 2 and one optical axis 4. As shown in fig. 2, the supporting device 100 further includes a transverse plate 3, and the transverse plate 3 is mounted on the long sides of the two diagonal links 2 by a first screw 8. The transverse plate 3 is used for transferring the gravity of the roller mechanism and the goods, and is used for connecting and fixing the distance between the two oblique connecting rods 2, so that the overall strength and the stability of the connecting rod mechanism are improved. Preferably, there are two transverse plates 3, and the two transverse plates 3 are respectively located at different positions on the long sides of the two diagonal links 2.

Fig. 3A shows a connection diagram of a link mechanism and a chassis according to an embodiment of the present invention, and fig. 3B shows an enlarged view of a connection point of the vertical link and the rear chassis shown in fig. 3A. According to a preferred embodiment of the present invention, as shown in fig. 3A, the second end 52 of the vertical connecting rod 5 is hinged to the rear chassis 7 via a connecting rod bottom pin 6, and as shown in fig. 3B after the hinge mounting is completed. The second end 22 of the oblique connecting rod 2 is hinged with the front chassis 1 through a connecting rod bottom pin shaft 6. After the oblique connecting rod 2 is connected with the transverse plate 3, the structure of the whole connecting rod mechanism in a shape like a Chinese character 'jing' is overlooked, and the upper surface of the Chinese character 'jing' is used for contacting a base of the roller mechanism to bear the roller mechanism and goods.

Fig. 4 shows a view of the hinge mounting of the front chassis and the rear chassis according to an embodiment of the present invention, and fig. 5 shows an effect view of the hinge mounting of the front chassis and the rear chassis shown in fig. 4. The process of hinge-mounting the front chassis 1 and the rear chassis 7 and the result thereof will be described in detail with reference to fig. 4 and 5.

According to a preferred embodiment of the present invention, as shown in fig. 4, the front chassis 1 and the rear chassis 7 are hinged by a frame hinge pin 10, and a shaft end gasket and a shaft sleeve (not shown in fig. 4) are inserted in the middle of the front chassis 1 and the rear chassis 7, so as to avoid abrasion and absorb shock. The supporting device 100 further comprises a rotating shaft pressing plate 12, a damping sheet 13 and a limiting plate 15. In order to ensure the fixation of the front chassis 1 and the rear chassis 7, a rotating shaft pressing plate 12 is mounted at a position corresponding to the front chassis 1 through a second screw 11 to limit the relative movement between the front chassis 1 and the rear chassis 7, so that the relative movement only rotates by taking the frame hinge pin 10 as an axis. The cushion plate 13 is fixed to the rear chassis 7 by a third screw 14, and the stopper plate 15 is fixed to the front chassis 1 by a fourth screw 16. The limiting plate 15 is used for limiting the rotation angle between the front chassis 1 and the rear chassis 7 within the range of 2.8 degrees. The damping sheet 13 is made of rubber to cushion and damp the interaction between the limiting plate 15 and the rear chassis 7.

Fig. 6 shows a schematic movement diagram of a link mechanism according to an embodiment of the present invention, as shown in the figure, the upper diagram in fig. 6 is a situation where the front chassis 1 and the rear chassis 7 are both in a horizontal position, where the road surface is smooth, and the short side of the oblique link 2 is consistent with the horizontal plane, where the link mechanism has no influence on the roller mechanism and goods loaded thereon; the lower diagram is a schematic diagram of the front chassis 1 and the rear chassis 7 rotating 2.8 ° relative to each other, which corresponds to the case where the AGV passes through a rough road surface. As can be seen from the following figure, the front chassis 1 and the rear chassis 7 of the supporting device are rotated around the hinge axis thereof due to the uneven road surface, the rotation drives the oblique connecting rod 2 and the vertical connecting rod 5 connected with the oblique connecting rod respectively, so that the right angle of the oblique connecting rod 2 is slightly inclined compared with the horizontal plane, and the inclination angle is not more than 2.8 degrees at most, and in this state, the influence of the connecting rod mechanism on the roller mechanism and the goods loaded on the connecting rod mechanism is small and can be ignored.

Figure 7 shows a schematic diagram of how the present invention cooperates with a roller mechanism. As shown in the figure, the utility model discloses still relate to an automatic guided vehicle, automatic guided vehicle includes: the support device 100 (housed in the housing 40 of the automatic guided vehicle), the wheels 30, the roller tray 17, and the roller mechanism 18 as described above. The wheels 30 are mounted on the supporting device 100, the roller mechanism 18 is mounted on the supporting device 100, and specifically, the roller tray 17 is fixed on a structure in a shape like a Chinese character 'jing' formed by connecting the inclined connecting rod 2 and the transverse plate 3 in the connecting rod mechanism through a fifth screw 19; the roller mechanism 18 is in turn fixed to the roller tray 17 by means of sixth screws 20. The connection of the roller mechanism 18 to the AGV support 100 is ultimately complete.

The embodiment of the utility model discloses a climbing mechanism replacement of AGV among the prior art is for the structure of link mechanism and chassis combination for modules such as support roller mechanism, the structure is reliable and stable not only, support capacity is powerful, can guarantee again not to influence the relative rotation of front and back base, has overcome AGV wheel overload or the problem of skidding because of the atress inequality leads to when through jolting uneven road surface, has practiced thrift the cost, has promoted AGV's transport effect and transport stability.

Finally, it should be noted that: although the present disclosure has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the disclosure. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present disclosure should be included in the protection scope of the present disclosure.

Claims (10)

1. A support device adapted for use with a roller car, comprising:

the chassis comprises a front chassis and a rear chassis, wherein the front chassis and the rear chassis are connected together and can relatively rotate around an axis of the connection part of the front chassis and the rear chassis;

and the connecting rod mechanism is bridged on the front chassis and the rear chassis and can rotate along with the front chassis or the rear chassis around the axis of the joint of the front chassis and the rear chassis.

2. The support device of claim 1, wherein the linkage mechanism includes a vertical link and a diagonal link, a first end of the vertical link and a first end of the diagonal link being coupled together, a second end of the vertical link being pivotally coupled to one of the front or rear chassis, and a second end of the diagonal link being pivotally coupled to the other of the front or rear chassis.

3. The support device of claim 2, wherein the linkage mechanism includes an optical axis, and wherein the first end of the vertical link is articulated to the first end of the diagonal link via the optical axis.

4. The support device of claim 3, wherein the second end of the vertical link is pivotally connected to the rear chassis by a pin, and the second end of the diagonal link is pivotally connected to the front chassis by a pin.

5. The support device as claimed in claim 4, wherein the diagonal link is a right triangle or a nearly right triangle structure, and three sides of the diagonal link are a long side, a short side and a hypotenuse, respectively.

6. The support device as claimed in claim 4, wherein the diagonal link is L-shaped, and one side of the diagonal link having a longer length is a long side and the other side is a short side.

7. The support device as claimed in claim 5 or 6, wherein the link mechanism includes two of the vertical links and two of the diagonal links, the diagonal links have a short side length equal to a length of the vertical links, and the optical axis has one.

8. The support device of claim 7, wherein the linkage mechanism includes a transverse plate mounted on a long side of the two diagonal links to fix a distance between the two diagonal links.

9. The support device of claim 8, wherein the support device comprises two of the transverse plates, each at a different location on a long side of the two diagonal links.

10. The supporting device as claimed in any one of claims 1 to 4, further comprising a rotation shaft pressing plate, a shock absorbing plate and a limiting plate, wherein the rotation shaft pressing plate and the limiting plate are mounted on the front chassis to limit the relative movement and rotation angle between the front chassis and the rear chassis, and the shock absorbing plate is mounted on the rear chassis to buffer the interaction between the limiting plate and the rear chassis.

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