CN219237217U

CN219237217U - Straddle carrier with multi-wheel suspension and steering wheels

Info

Publication number: CN219237217U
Application number: CN202320578937.1U
Authority: CN
Inventors: 全克华; 朱爱强; 姜余培
Original assignee: Hunan Shengshitong Technology Co ltd
Current assignee: Hunan Shengshitong Technology Co ltd
Priority date: 2023-03-22
Filing date: 2023-03-22
Publication date: 2023-06-23
Anticipated expiration: 2033-03-22

Abstract

The utility model discloses a straddle carrier with multi-wheel suspension and steering wheels, which comprises an integral frame, wherein the upper part of the integral frame is provided with a supporting beam for supporting and a bearing beam for providing bearing function when a container is transported, and the integral frame provides the straddle carrier with stable integral structure; the wheel assembly is arranged below the integral frame and used for driving the integral frame to displace; the lifting device is arranged in the integral frame and used for lifting the container; the wheel assembly consists of a plurality of wheels, and the wheels are communicated with each other through an oil cylinder; the wheel assembly enables the weight of the whole machine to be evenly distributed through multi-wheel arrangement, and reduces the vibration amplitude of the whole frame when the wheel assembly drives the whole frame to displace.

Description

Straddle carrier with multi-wheel suspension and steering wheels

Technical Field

The utility model relates to the field of harbour machinery equipment, in particular to a straddle carrier with multi-wheel suspension and steering wheels.

Background

The total freight quantity of the container in China is huge, and the container will be continuously developed in the future. The container has huge volume and weight of tens of tons, can be transported by a straddle carrier with convenient and quick use and good stability, and is a common requirement of current industry practitioners. The conventional straddle carrier used in the lifting and transferring processes of the container has a single overall structure, and generally only has one steering wheel during steering, so that the whole straddle carrier is slow during steering; meanwhile, due to the fact that the number of the wheel assemblies is small, when the road surface is uneven or the weight distribution of the container is uneven, shaking is easy to occur, and the service life of the wheel assemblies is influenced.

Disclosure of Invention

The object of the present utility model is to provide a straddle carrier with multi-wheeled suspension and steerable wheels to solve the above mentioned problems of the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

a straddle carrier with multi-wheel suspension and steering wheels,

the carrier comprises an integral frame, wherein the upper part of the integral frame is provided with a supporting beam with a supporting function and a spandrel girder with a bearing function for transporting the container, and the integral frame provides the stability of the integral structure of the carrier;

the wheel assembly is arranged below the integral frame and used for driving the integral frame to displace;

the lifting device is arranged in the integral frame 1 and used for lifting the container;

the wheel assembly consists of a plurality of wheels, and the wheels are communicated with each other through an oil cylinder;

the wheel assembly enables the weight of the whole machine to be evenly distributed through multi-wheel arrangement, and reduces the vibration amplitude of the whole frame when the wheel assembly drives the whole frame to displace.

Further, the wheel comprises an upper support beam and a lower support, and a wheel body for rolling; the upper end of the upper support beam is arranged below the integral frame, and the lower end of the upper support beam is coupled with the lower support piece; the lower supporting piece is connected with the wheel body and is used for transmitting the gravity of the integral frame to the wheel body;

further, the oil cylinder is arranged between the corresponding two groups of wheels, and the oil cylinder provides balance adjustment for the corresponding two groups of wheels.

Further, the wheels are provided with at least two groups of steering wheels, and the steering wheels can drive the integral frame to rotate by 360 degrees.

Still further, it is characterized in that: the wheel body of the wheel assembly is filled with polyurethane to form a solid tire.

The utility model has the technical effects and advantages that:

(1) The utility model adopts the wheels to form the wheel assembly, and the wheels are communicated through the oil cylinders, so that when the whole straddle carrier lifts the container, the weight of the container can be uniformly dispersed onto each wheel through the whole frame, thereby ensuring the whole stability when the container is lifted, reducing the loss of the wheels and prolonging the service life.

(2) The wheel assembly is steered by a plurality of wheels, so that the steering efficiency of the whole straddle carrier can be effectively improved, and the flexibility of the whole operation is maintained.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic side view of the present utility model;

FIG. 3 is a schematic view of a wheel assembly according to the present utility model;

FIG. 4 is an enlarged view of the wheel body structure of the present utility model;

in the figure: 1. an integral frame; 2. a support beam; 3. a spandrel girder; 4. a wheel assembly; 8. an oil cylinder; 9. a wheel; 13. a wheel body; 12. a lifting device; 19. an upper support; 20. and a lower support.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of this patent, it should be understood that, the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc. refer to the orientation or positional relationship as shown in the drawings, merely for convenience in describing the patent and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the patent, but rather that the terms "mounted," "configured," "connected," "secured," "screwed," etc. should be construed broadly, and may be fixedly connected, or may be detachably connected, or integrated, for example; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this patent will be understood by those of ordinary skill in the art.

The present utility model provides a straddle carrier with multi-wheeled suspension and steering wheels as shown in fig. 1-4, comprising:

the carrier comprises an integral frame 1, wherein the upper part of the integral frame is provided with a supporting beam 2 for supporting and a spandrel girder 3 for providing a bearing function when a container is transported, and the integral frame 1 provides the stability of the integral structure of the carrier; the whole frame 1 mainly plays a role in stabilizing the whole structure, the structure is approximately a cuboid structure, the supporting beam 2 is vertically arranged on the whole frame 1, is preferably connected in an assembling mode, can be connected in a welding mode, and transmits the gravity of the straddle carrier in a load state to the whole frame 1 through the supporting beam 2. The spandrel girder 3 plays a role of bearing the gravity of the container when the container is lifted by the straddle carrier to displace. The main body part of the straddle carrier consists of the integral frame 1, the supporting beam 2 and the spandrel girder 3, and has simple structure and convenient installation.

The wheel assembly 4 is arranged below the integral frame 1 and used for driving the integral frame 1 to displace; the wheel assembly 4 is used for ground support of the whole straddle carrier, has a rolling function, and can enable the straddle carrier to walk and displace through mechanical assistance or other external forces. A lifting device 12 provided in the integral frame 1 for lifting a container; the lifting device 12 is used for lifting the container and then lifting the container to a set position of the straddle carrier, and the gravity of the container is completely transferred to the spandrel girder 3 through the lifting device 12, so that the container moves along with the displacement of the straddle carrier in an operation state.

The wheel assembly 4 consists of a plurality of wheels 9, and the wheels 9 are communicated with each other through an oil cylinder 8;

in the prior art, most of straddle carriers adopt single wheels as wheel assemblies, and a plurality of groups of paired wheels are arranged in the embodiment, so that the size of the wheels can be reduced, and the wheel pressure of the wheels can be reduced. The two wheels form a wheel set, the wheel set is used as a wheel assembly, a plurality of wheel assemblies are symmetrically distributed at the bottom of the straddle carrier, namely, the front end of the straddle carrier is provided with the transversely symmetrical wheel assemblies, and the middle part and the rear end of the straddle carrier are also respectively provided with the transversely symmetrical wheel assemblies. The transversely symmetrical wheel assemblies are connected through the oil cylinders 8, so that abrasion consumption of wheels is reduced.

The wheel assembly 4 enables the weight of the whole machine to be evenly distributed through the arrangement of multiple wheels, and reduces the vibration amplitude of the integral frame 1 when the wheel assembly 4 drives the integral frame 1 to displace.

The wheel 9 comprises an upper support beam 19 and a lower support 20, and a wheel body 13 for rolling; the upper end of the upper support beam 19 is arranged below the integral frame 1, and the lower end of the upper support beam 19 is coupled with the lower support piece 20; the lower support 20 is connected with the wheel body 13 and is used for transmitting the gravity of the integral frame 1 to the wheel body 13; the wheel can realize standardized product production, through the combined action of upper support beam 19 and lower support piece 20 for the wheel receives the gravity from whole frame 1 even, and simple structure, installation easy maintenance.

The oil cylinder 8 is arranged between the corresponding two groups of wheels 9, and the oil cylinder 8 provides balance adjustment for the corresponding two groups of wheels 9. Other power units (not shown in the drawings) may be provided to provide external power to the wheel steering or stakeholders, either on a single wheel body or integrally with a hydraulic or mechanical transmission to all wheel assemblies 4.

The wheels 9 are provided with at least two groups of steering wheels, and the steering wheels can drive the integral frame 1 to rotate by 360 degrees. The prior art straddle carrier in the market often adopts single-wheel steering, the overall efficiency is lower, and when the wheel body fails, the whole operation flow is blocked, and the multi-wheel steering of the technical scheme ensures that the straddle carrier smoothly rotates in a 360-degree barrier-free manner in the whole operation, so that the working efficiency is improved.

The wheel body 13 of the wheel assembly 4 is filled with polyurethane to form a solid tire. Other forms of wheels may be devised, for example: pneumatic tires, metallic wheels, and tracked wheels.

The working principle of the utility model is as follows: when the container needs to be transported and moved, the straddle carrier is movably sleeved above the container, the container is hoisted by the hoisting device 4, the hoisting device is lifted to a set position of the straddle carrier, the wheel assembly starts to move when the external power device is started, and the integral frame 1 is driven to move. Under the action of external force, the multi-wheel steering device is adopted, the whole straddle carrier can realize 360-degree rotation in the horizontal direction, the movement is convenient, and the working efficiency is improved.

Finally, it should be noted that: the foregoing description of the preferred embodiments of the present utility model is not intended to be limiting, but rather, although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The straddle carrier with multi-wheel suspension and steering wheels comprises an integral frame, wherein a supporting beam for supporting is arranged at the upper part of the integral frame, and a bearing beam for providing bearing function when a container is transported is also arranged on the upper part of the integral frame, and the integral frame provides the integral structure stability of the straddle carrier; the wheel assembly is arranged below the integral frame and used for driving the integral frame to displace; the lifting device is arranged in the integral frame and used for lifting the container; the wheel assembly comprises a plurality of wheels, and the wheels are communicated through an oil cylinder, and is characterized in that: the wheel assembly enables the weight of the whole machine to be evenly distributed through multi-wheel arrangement, and reduces the vibration amplitude of the whole frame when the wheel assembly drives the whole frame to displace.

2. A straddle carrier having multiple wheel suspension and steering wheels according to claim 1, wherein: the wheel comprises an upper supporting beam, a lower supporting piece and a wheel body for rolling; the upper end of the upper support beam is arranged below the integral frame, and the lower end of the upper support beam is coupled with the lower support piece; the lower support piece is connected with the wheel body and used for conducting the gravity of the integral frame to the wheel body.

3. A straddle carrier having a plurality of wheels suspended and steered according to claim 1, wherein said cylinders are provided between respective two of said sets of wheels, said cylinders providing a balancing adjustment for respective two of said sets of wheels.

4. A straddle carrier having a multi-wheeled suspension and steering wheel according to claim 1, wherein said wheels are provided with at least two sets of steering wheels, said steering wheels being adapted to rotate said integral frame.

5. A straddle carrier having multiple wheel suspension and steering wheels according to claim 2, wherein: the wheel body of the wheel assembly is filled with polyurethane to form a solid tire.