CN102407800A - Container transport vehicle and self-loading and unloading device thereof - Google Patents

Abstract

The invention discloses a container transport vehicle and a self-loading and unloading device thereof. The self-loading and unloading device comprises a hoisting component (5), wherein the hoisting component (5) comprises a base (54), a bent suspension arm component (51) and a first hydraulic oil cylinder (52); the base (54) is fixed on one side of a chassis of the container transport vehicle; a first end of the suspension arm component (51) is hinged on the base (54), and a second end of the suspension arm component (51) is provided with an object acquiring device (513); the object acquiring device (513) comprises a suspension chain and a locking mechanism positioned on the lower side of the suspension chain; and a first end of the first hydraulic oil cylinder (52) is hinged on the base (54), and a second end of the first hydraulic oil cylinder (52) is hinged in the middle of the suspension arm component (51). By the self-loading and unloading device, the transport vehicle can finish the loading and the unloading of containers from the side face of a vehicle body independently.

Description

Container transport vehicle and its self-loading and unloading device

technical field

The invention relates to the technical field of loading and unloading, in particular to a container transport vehicle and a self-loading and unloading device thereof.

Background technique

Container transport vehicles generally need to cooperate with special lifting equipment in container terminals, stations, warehouses and other places to complete the normal loading and unloading of container transport vehicles. In places where there is no special lifting equipment, it is difficult to complete the normal loading and unloading of containers. Even if equipped with lifting tools such as cranes and forklifts, it is difficult to carry out operations in small industrial mines and docks, and the operation efficiency is very low, which limits the road transportation of containers to a certain extent. The container transport vehicle with self-loading device can not only play the function of transporting containers and other goods, but also independently complete the loading and unloading of containers, so that it does not need to be equipped with lifting equipment to make up for the above shortcomings.

There are some container transport vehicles with self-loading and unloading devices in the prior art, but most of them are the structure of hanging boxes at the back or lifting the upper part of the container box body, and are often still limited by the loading and unloading environment.

Contents of the invention

The technical problem to be solved by the present invention is to provide a container transport vehicle and its self-loading and unloading device. The self-loading and unloading device enables the transport vehicle to independently complete the loading and unloading of containers from the side of the vehicle body.

In order to solve the above technical problems, according to one aspect of the present invention, a self-loading and unloading device for a container transport vehicle is provided. The boom assembly, the first end of the boom assembly is hinged on the base, and the second end of the boom assembly is provided with a pick-up device, wherein the pick-up device includes a lifting chain and a locking mechanism located below the lifting chain; the first hydraulic pressure Oil cylinder, the first end of the first hydraulic oil cylinder is hinged on the base, and the second end of the first hydraulic oil cylinder is hinged at the middle part of the boom assembly.

Further, the boom assembly includes: a first boom, the first end of which is hinged on the base; a second boom, the first end of the second boom is hinged at the second end of the first boom, and the first hydraulic cylinder The second end of the second end of the second hydraulic cylinder is hinged on the second end of the first boom; the self-loading device of the container transport vehicle also includes a second hydraulic cylinder, the first end of the second hydraulic cylinder is hinged on the base, and the second end of the second hydraulic cylinder Hinged in the middle of the second boom.

Further, the second boom has a bent shape, and the second end of the second hydraulic cylinder is hinged at the bend of the second boom.

Further, the self-loading and unloading device also includes a support assembly, and the support assembly includes: an outrigger cylinder, the middle part of the cylinder body of the outrigger cylinder is hinged on the chassis of the container transport vehicle, and the piston rod of the outrigger cylinder extends downward; the third hydraulic cylinder The first end of the third hydraulic cylinder is hinged on the chassis of the container transport vehicle, and the second end of the third hydraulic cylinder is hinged on one end of the principle piston rod of the cylinder body of the outrigger cylinder.

Further, the self-loading and unloading device also includes a support assembly, and the support assembly includes: an outrigger cylinder, the cylinder body of which is hinged on the base, and the piston rod extends downward; a third hydraulic cylinder, the first end of which is hinged On the base, the second end is hinged to the cylinder body of the outrigger cylinder.

Further, the lower end of the piston rod of the leg oil cylinder is hinged with a leg.

Further, the lower end of the piston rod of the leg oil cylinder is hinged with a leg.

According to another aspect of the present invention, there is also provided a container transport vehicle, which includes any self-loading and unloading device of the above container transport vehicle.

Further, there are three sets of self-loading and unloading devices of the container transport vehicle, wherein, the first set of self-loading and unloading devices is fixed on the front of the container transport vehicle; the second set of self-loading and unloading devices is fixed on the tail of the container transport vehicle; The loading and unloading device is movably arranged in the middle of the container transport vehicle along the extending direction of the container transport vehicle, and is located between the first set of self-loading and unloading devices and the second set of self-loading and unloading devices.

The present invention has the following beneficial effects:

1. In the lifting assembly of the self-loading and unloading device of the container transport vehicle of the present invention, the first end of the bent boom assembly is hinged on the base fixed on one side of the chassis of the container transport vehicle, and the first hydraulic cylinder The two ends are respectively hinged on the base and the middle part of the boom assembly, so that the boom assembly can be driven to rotate relative to the transport vehicle with the first end of the boom assembly itself as the center through the expansion and contraction of the piston rod of the first hydraulic cylinder, and The second end of the boom assembly is provided with a pick-up device, so that when the pick-up device is fixedly connected to the container, the boom assembly can be turned to load and unload the container on the side of the container transport vehicle without a special lifting device. Heavy equipment or lifting tools such as cranes and forklifts. In addition, the pick-up device includes a lifting chain and a locking mechanism located below the lifting chain, so that the pick-up device can be put into the corner fitting hole at the lower part of the container for lifting.

2. Since the self-loading and unloading device of the container transport vehicle can also be provided with a support assembly, the support assembly in the present invention includes an outrigger oil cylinder and a third hydraulic oil cylinder, the cylinder body of the outrigger oil cylinder is hinged on the chassis of the container transport vehicle, and the piston The rod extends downward, and the first end of the third hydraulic cylinder is hinged on the chassis of the container transport vehicle, and the second end is hinged on the cylinder body of the outrigger cylinder, so that the expansion and contraction of the piston rod of the third hydraulic cylinder can cause the outrigger The leg cylinder rotates around the hinge point of the cylinder body of the outrigger cylinder on the chassis of the container transport vehicle. After the outrigger cylinder is rotated to a suitable angle, the piston rod of the outrigger cylinder can be stretched out to the ground to support the container transport vehicle while loading and unloading.

In addition to the objects, features and advantages described above, the present invention has other objects, features and advantages. Hereinafter, the present invention will be described in further detail with reference to the drawings.

Description of drawings

The accompanying drawings are used to provide a further understanding of the present invention, and constitute a part of the application. The schematic embodiments of the present invention and their descriptions are used to explain the present invention, and do not constitute improper limitations to the present invention. In the attached picture:

Fig. 1 is a schematic structural view of the fully retracted state of the self-loading and unloading device of a container transport vehicle according to an embodiment of the present invention;

Fig. 2 is a schematic structural view of the self-loading and unloading device of the container transport vehicle according to an embodiment of the present invention when the lifting assembly is lifted during loading and unloading;

Fig. 3 is a schematic structural view of the self-loading and unloading device of the container transport vehicle according to an embodiment of the present invention when loading and unloading a layer of containers;

Fig. 4 is a schematic structural view of the self-loading and unloading device of the container transport vehicle according to an embodiment of the present invention when loading and unloading two-layer containers;

Fig. 5 is a schematic structural view of a container transport vehicle according to an embodiment of the present invention.

Detailed ways

The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention can be implemented in many different ways defined and covered by the claims.

As shown in FIGS. 1-4 , the self-loading and unloading device of a container transport vehicle according to an embodiment of the present invention includes a lifting assembly 5 . The hoisting assembly 5 includes a base 54 , a bent boom assembly 51 and a first hydraulic cylinder 52 . The base 54 is fixed on one side of the chassis of the container transport vehicle. The first end of the boom assembly 51 is hinged on the base 54, and the second end of the boom assembly 51 is provided with a pick-up device 513. The pick-up device 513 includes a lifting chain and a locking mechanism positioned below the lifting chain, so as to be connected with the container 3 Corner fitting holes at the bottom secure the connection. In addition, the first end of the first hydraulic cylinder 52 is hinged on the base 54 , and the second end of the first hydraulic cylinder 52 is hinged on the middle of the boom assembly 51 .

It can be understood that the extension and contraction of the piston rod of the first hydraulic cylinder 52 drives the boom assembly 51 to rotate relative to the base 54 with the first end of the boom assembly 51 itself as the center, that is, relative to the chassis of the container transport vehicle. turn. In addition, the second end of the boom assembly 51 is provided with a pick-up device 513, so that after the locking mechanism below the pick-up device 513 is fixedly connected to the corner fitting hole at the bottom of the container 3, and then the boom assembly 51 is rotated, the Carry out loading and unloading work on the container 3 positioned at the side of the container transport vehicle. In this way, there is no need to be equipped with special lifting equipment or lifting tools such as cranes and forklifts to complete the loading and unloading work.

Preferably, referring to FIGS. 1-4 , in this embodiment, the boom assembly 51 includes a first boom 511 and a second boom 512 connected in sequence. Specifically, the first end of the first boom 511 is hinged on the base 54 ; the first end of the second boom 512 is hinged on the second end of the first boom 511 . In addition, as can be seen from FIGS. 1-4, the second end of the first boom 51 is located in the middle of the whole boom assembly 51, and the second end of the first hydraulic cylinder 52 is hinged on the second end of the first boom 51. , so that the expansion and contraction of the piston rod of the first hydraulic cylinder 52 can drive the boom assembly 51 to rotate relative to the base 54 around the first end of the first boom 51 . The self-loading and unloading device also includes a second hydraulic cylinder 53 , the first end of the second hydraulic cylinder 53 is hinged on the base 54 , and the second end of the second hydraulic cylinder 53 is hinged at the middle of the second boom 512 . When loading and unloading containers, the first boom 511 is driven to rotate to a suitable angle through the expansion and contraction of the piston rod of the first hydraulic cylinder 52, and then the second boom is driven by the expansion and contraction of the piston rod of the second hydraulic cylinder 53. 512 rotates around its own first end to adjust the spatial position of the fetching device 513 located at the second end of the second boom 512 . It can be understood that setting the boom assembly 51 as a first boom 511 and a second boom 512 hinged to each other can make the range of motion of the boom assembly 51 larger, and the angle control of the boom is more flexible, and it is more convenient to control the container 3 loading and unloading work.

It can also be seen from FIGS. 1-4 that in this embodiment, the second boom 512 has a bent shape, and the second end of the second hydraulic cylinder 53 is hinged at the bend of the second boom 512 . The bent shape makes the whole boom assembly 51 occupy a smaller volume when the boom assembly 51 is in the retracted state due to the container transport vehicle running on the road, and the bent shape is more suitable for the boom assembly 51. Loading and unloading work.

In addition, it can also be seen from Figures 1-4 that in this embodiment, the self-loading and unloading device also includes a support assembly 4, which is used to support the transport vehicle on the side when the container transport vehicle is loading and unloading from the loading and unloading device, and Retrieve while the transporter is in motion. The support assembly 4 includes an outrigger cylinder 41 and a third hydraulic cylinder 42 . The cylinder body of the outrigger cylinder 41 is hinged on the chassis of the container transport vehicle, and the piston rod of the outrigger cylinder extends downward; the first end of the third hydraulic cylinder 42 is hinged on the chassis of the container transport vehicle, and the third hydraulic cylinder The second end of 42 is hinged on the cylinder block of support leg oil cylinder 41.

In this way, the expansion and contraction of the piston rod of the third hydraulic cylinder 42 can cause the outrigger cylinder 41 to rotate around the hinge point of the cylinder body of the outrigger cylinder 41 on the chassis of the container transport vehicle. When the outrigger cylinder 41 is driven by the third hydraulic cylinder 42 and rotates to a suitable angle with the piston rod facing down, the piston rod of the outrigger cylinder 41 can be stretched out to the ground to support the container transport vehicle while loading and unloading. role. When the loading and unloading work is completed and the container transport vehicle is required to travel, the piston rod of the outrigger cylinder 41 can be retracted, and the piston rod of the third hydraulic cylinder 42 can be retracted. At this time, the entire support assembly 4 can be retracted in the transport vehicle .

In this embodiment, the first end of the third hydraulic cylinder 42 in the support assembly 4 and the cylinder body of the outrigger cylinder 41 are hinged on the base 4 .

More preferably, the lower end of the piston rod of the outrigger cylinder 41 is hinged with a foot 411 for easy support.

As can be seen from Fig. 1, when the container transport vehicle is in the driving state, the piston rod of the first hydraulic cylinder 52 in the lifting assembly 5, the piston rod of the second hydraulic cylinder 53 and the outrigger cylinder 41 in the support assembly 4 The piston rod of the piston rod and the piston rod of the third hydraulic cylinder 42 are all retracted, so that the lifting assembly 5 and the supporting assembly 4 are all retracted into the container transport vehicle, without affecting the running of the container transport vehicle. As can be seen from Figures 2-4, taking the unloading process as an example, when the container 3 needs to be unloaded, first operate the support assembly 4 to support the legs 411 at the lower end of the outrigger cylinder 41 on the ground, and then operate the lifting assembly 5 The first hydraulic cylinder 52 and the second hydraulic cylinder 53 in the lifting assembly 5 can control the boom assembly 51 in the lifting assembly 5 to carry out the action of dropping the container, wherein Fig. 3 and Fig. 4 respectively show the lifting assembly loading and unloading a layer of containers and loading and unloading two Schematic diagram of layered containers. The packing process of the self-loading and unloading device is opposite to the unpacking process, which can also be seen from FIG. 3 , FIG. 4 and FIG. 2 , and will not be repeated here.

As shown in FIG. 5 , the present invention also provides a container transport vehicle, which includes any self-loading and unloading device of the above-mentioned container transport vehicle. Specifically, as can be seen from FIG. 5 , the container transport vehicle 1 includes a tractor 11 and a trailer 12 connected behind the tractor 11 , and also includes a power unit 13 and a manipulation control unit 14 . Due to the reasons mentioned above, the container transport vehicle has the function of carrying containers and carrying out self-loading and unloading, and does not need to be equipped with special lifting equipment or lifting tools such as cranes and forklifts to complete the loading and unloading work.

Preferably, as shown in Figure 5, there are three sets of self-loading and unloading devices of the container transport vehicle 1, wherein, the first set of self-loading and unloading devices is fixed on the front of the container transport vehicle; the second set of self-loading and unloading devices is fixed on the container transport vehicle The tail part; the third set of self-loading and unloading devices is movably arranged in the middle of the container transport vehicle along the extension direction of the container transport vehicle, and is located between the first set of self-loading and unloading devices and the second set of self-loading and unloading devices. When carrying out loading and unloading operations, the first set of self-loading and unloading devices can be used to cooperate with the third set of self-loading and unloading devices to load and unload containers, and the second set of self-loading and unloading devices can also be used to cooperate with the third set of self-loading and unloading devices to load and unload containers.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims (9)

1. A self-loading and unloading device for a container transport vehicle, characterized in that it comprises a lifting assembly (5), and the lifting assembly (5) comprises: Base (54), fixed on the chassis of the container transport vehicle; A bent boom assembly (51), the first end of the boom assembly (51) is hinged on the base (54), and the second end of the boom assembly (51) is provided with a pick-up device ( 513), wherein the fetching device (513) includes a suspension chain and a locking mechanism located below the suspension chain; The first hydraulic cylinder (52), the first end of the first hydraulic cylinder (52) is hinged on the base (54), the second end of the first hydraulic cylinder (52) is hinged on the boom The middle part of assembly (51). 2. The self-loading and unloading device of the container transport vehicle according to claim 1, characterized in that, The boom assembly (51) includes: a first boom (511), the first end of which is hinged on the base (54); The second boom (512), the first end of the second boom (512) is hinged on the second end of the first boom (511), the second end of the first hydraulic cylinder (52) hinged at the second end of said first boom (51); The self-loading and unloading device of the container transport vehicle also includes a second hydraulic cylinder (53), the first end of the second hydraulic cylinder (53) is hinged on the base (54), and the second hydraulic cylinder (53) ) is hinged at the middle of the second boom (512). 3. The self-loading and unloading device of a container transport vehicle according to claim 2, characterized in that, the second boom (512) has a bent shape, and the second end of the second hydraulic cylinder (53) is hinged at the bend of the second boom (512). 4. The self-loading and unloading device of a container transport vehicle according to any one of claims 1-3, characterized in that, the self-loading and unloading device also includes a support assembly (4), and the support assembly (4) includes: Outrigger oil cylinder (41), the middle part of the cylinder body of the outrigger oil cylinder (41) is hinged on the chassis of the container transport vehicle, and the piston rod of the outrigger oil cylinder extends downward; The third hydraulic cylinder (42), the first end of the third hydraulic cylinder is hinged on the chassis of the container transport vehicle, the second end of the third hydraulic cylinder is hinged on the leg cylinder (41) The end of the cylinder away from the piston rod. 5. The self-loading and unloading device of the container transport vehicle according to claim 3, characterized in that, the self-loading and unloading device also includes a support assembly (4), and the support assembly (4) includes: Outrigger cylinder (41), the cylinder body of the outrigger cylinder (41) is hinged on the base (54), and the piston rod extends downward; The third hydraulic cylinder (42), the first end of the third hydraulic cylinder (42) is hinged on the base (54), and the second end is hinged on the cylinder body of the outrigger cylinder (41). 6. The self-loading and unloading device for a container transport vehicle according to claim 4, characterized in that, a leg (411) is hinged to the lower end of the piston rod of the leg cylinder (41). 7. The self-loading and unloading device for a container transport vehicle according to claim 5, characterized in that, a leg (411) is hinged to the lower end of the piston rod of the outrigger cylinder (41). 8. A container transport vehicle, characterized in that the container transport vehicle comprises the self-loading and unloading device of any one of claims 1-7. 9. The container transport vehicle according to claim 8, characterized in that there are three sets of self-loading and unloading devices of the container transport vehicle, wherein, The first set of self-loading and unloading devices is fixed on the front part of the container transport vehicle; The second set of self-loading and unloading devices is fixed on the tail of the container transport vehicle; The third set of self-loading and unloading devices is movably arranged in the middle of the container transport vehicle along the extension direction of the container transport vehicle, between the first set of self-loading and unloading devices and the second set of self-loading and unloading devices .

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