KR102585139B1 - Trailer equipped with shaking type bulk cargo handling device - Google Patents

Abstract

The present invention relates to a trailer equipped with a shaking device for unloading bulk cargo. More specifically, it is configured to move the trailer forward by shaking the container in which the bulk cargo is stored in an inclined state, so that the bulk cargo inside the container can be easily moved out. It relates to a trailer equipped with a shaking device for unloading bulk cargo configured to exit.
According to an embodiment of the present invention, a trailer provided to load a predetermined container; A tilting frame connected to the upper part of the trailer; An actuator provided to relatively adjust the angle of the tilting frame with respect to the trailer; An outrigger connected to the side of the trailer that supports the ground or changes state to be separated from the ground; and a rolling member provided on the outrigger and rolling friction against the ground so that the trailer moves forward or backward while the outrigger supports the ground. Including, by tilting the tilting frame, one end of the container with the entrance is greater than the other end of the container. Provided is a trailer equipped with a shaking device for unloading bulk cargo, which unloads bulk cargo inside a container by moving the trailer forward while adjusting it to be lowered.

Description

Trailer equipped with shaking type bulk cargo handling device}

The present invention relates to a trailer equipped with a shaking device for unloading bulk cargo. More specifically, it is configured to move the trailer forward by shaking the container in which the bulk cargo is stored in an inclined state, so that the bulk cargo inside the container can be easily moved out. It relates to a trailer equipped with a shaking device for unloading bulk cargo configured to exit.

Bulk cargo (feed, etc.) is transported while stored in a container, and the transported bulk cargo is transported by a forklift equipped with a skid loader from the loading dock outside the logistics center and brought into the logistics center.

At this time, the bulk cargo loaded on the skid loader falls to the ground due to the vibration and shaking of the forklift, and there is a limitation in that the work is delayed due to the large volume of bulk cargo that falls while being transported to the distribution center.

In this environment, dropped cargo is crushed by tires or contaminated with external contaminants, and must be removed separately later, causing a lot of work loss.

In addition, after unloading, the inside of the container must be cleaned with an air blower, etc., dust generated during the work causes difficulty in the work, and there is a problem that the remaining bulk cargo is discarded.

Domestic Patent No. 10-2226953 discloses a “truck with a load box that can be lowered.” The above patent document proposes a configuration that allows the height of the loading box to be adjusted, but this configuration is used as an auxiliary means for unloading cargo with a forklift, etc., and has the limitation of being unsuitable for unloading bulk cargo stored inside a container. .

The problem to be solved by the present invention is to solve the problems of the conventional bulk cargo unloading method as described above, so that the bulk cargo inside the container can be easily discharged, and the bulk cargo can be unloaded in the container through an unloading device coupled to a trailer. It provides a trailer equipped with a shaking device for unloading and unloading bulk cargo that can transport cargo.

The present invention, in order to solve the problems of the conventional bulk cargo unloading method as described above, includes a trailer provided to load a predetermined container; A tilting frame connected to the upper part of the trailer; An actuator provided to relatively adjust the angle of the tilting frame with respect to the trailer; An outrigger connected to the side of the trailer that supports the ground or changes state to be separated from the ground; and a rolling member provided on the outrigger and rolling friction against the ground so that the trailer moves forward or backward while the outrigger supports the ground. A workbench is provided at the rear of the trailer and is rotatable about a connection point with the trailer to provide a predetermined footing to the worker during unloading work. Including, one end of the container with an entrance by tilting the tilting frame. In a state where the workbench is adjusted to be lower than the other end of the container, the unloading amount of bulk cargo can be controlled by adjusting the extent to which the workbench blocks the entrance.

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And, a support extending upward from the rear end of the tilting frame and provided to fix the door of the entrance when the entrance is opened; An air injection device provided at the top of the support; and an air injection nozzle that extends from the air injection device into the inside of the container and whose length can be adjusted within the container. In a state where the tilting frame is tilted and adjusted so that one end of the container with the entrance is lower than the other end of the container. Bulk cargo inside the container can be unloaded by compressing the air outside the container and spraying it inside the container.

In addition, the rolling member includes: a plurality of wheels provided in a predetermined matrix form; A first elastic member provided on each wheel and having a predetermined elastic force; And a fixing plate that fixes the first elastic members and is coupled to the outrigger; including, when the trailer moves forward or backward while the outrigger supports the ground, the height of the wheels within a predetermined range according to the shape of the ground. Can be configured to be individually adjusted.

Additionally, a plurality of first twist locks provided on the tilting frame to secure the container; A plurality of second twist locks provided on the trailer to secure the tilting frame; A pair of hinge locks that secure the tilting frame to the rear end of the trailer; and a twist lock control device that controls the first twist lock and the second twist lock, wherein the twist lock control device: controls both the first twist lock and the second twist lock to be fastened when the trailer is running. However, when the trailer is in unloading operation, the first twist lock is fixed but the second twist lock is controlled to be separated, and the hinge lock includes: a second elastic member fixed to the upper part of the trailer; A hinge fixture fixed to the top of the second elastic member; and a hinge shaft fixed to the hinge fixture and fastened to the tilting frame. Vibration generated as the front end of the tilting frame vibrates by the actuator is transmitted to the second elastic member, and the second elastic member The rear end of the tilting frame can be configured to vibrate due to elastic force.

According to an embodiment of the present invention, the transportation and unloading of bulk cargo can be simplified by equipping the trailer itself with a bulk cargo unloading function.

Additionally, since the bulk cargo inside the container can be completely unloaded without using a forklift, dropping of the bulk cargo can be reduced.

Additionally, by periodically generating a predetermined vibration in the container, the bulk cargo inside the container can be prevented from sticking.

In addition, by effectively removing bulk cargo from containers, container cleaning work after unloading can be reduced.

In addition, by using a movable outrigger and a tilting frame simultaneously, bulk cargo inside the container can be easily unloaded by inertia.

In addition, the bulk cargo inside the container can be better shaken off by vibrating the front and rear of the container using an actuator and an elastic member, respectively.

1 to 4 are diagrams showing a trailer equipped with a shaking device for unloading bulk cargo according to an embodiment of the present invention.
Figure 5 is a diagram showing the structure of an outrigger according to an embodiment of the present invention.
Figure 6 is a diagram showing the structure of a hinge lock according to an embodiment of the present invention.

Hereinafter, various embodiments of this document are described with reference to the attached drawings. However, this is not intended to limit the technology described in this document to specific embodiments, and should be understood to include various modifications, equivalents, and/or alternatives to the embodiments of this document. . In connection with the description of the drawings, similar reference numbers may be used for similar components.

In this document, expressions such as “have,” “may have,” “includes,” or “may include” refer to the existence of the corresponding feature (e.g., a numerical value, function, operation, or component such as a part). , and does not rule out the existence of additional features.

In this document, expressions such as “A or B,” “at least one of A or/and B,” or “one or more of A or/and B” may include all possible combinations of the items listed together. . For example, “A or B,” “at least one of A and B,” or “at least one of A or B” includes (1) at least one A, (2) at least one B, or (3) it may refer to all cases including both at least one A and at least one B.

Expressions such as “first,” “second,” “first,” or “second,” used in this document can modify various components regardless of order and/or importance, and refer to one component. It is only used to distinguish from other components and does not limit the components. For example, a first user device and a second user device may represent different user devices regardless of order or importance. For example, a first component may be renamed a second component without departing from the scope of rights described in this document, and similarly, the second component may also be renamed to the first component.

A component (e.g., a first component) is “operatively or communicatively coupled with/to” or “connected to” another component (e.g., a second component). When "connected to" is mentioned, it should be understood that any component may be directly connected to the other component or may be connected through another component (eg, a third component).

Terms used in this document are merely used to describe specific embodiments and may not be intended to limit the scope of other embodiments. Singular expressions may include plural expressions, unless the context clearly indicates otherwise. Terms used herein, including technical or scientific terms, may have the same meaning as commonly understood by a person of ordinary skill in the technical field described in this document. Among the terms used in this document, terms defined in general dictionaries may be interpreted to have the same or similar meaning as the meaning they have in the context of related technology, and unless clearly defined in this document, have an ideal or excessively formal meaning. It is not interpreted as In some cases, even terms defined in this document cannot be interpreted to exclude embodiments of this document.

Of course, various modifications can be made by those skilled in the art without departing from the gist of the present invention as claimed in the claims of the present invention, and these modifications do not reflect the technical idea or the technical spirit of the present invention. It should not be understood in isolation from the perspective.

Terms such as “upper, lower, forward, backward, front, rear, front end, rear end” used in the description of the invention are defined based on the drawings, and the shape and location of each component are not limited by these terms.

According to an embodiment of the present invention, a trailer (2) provided to load a predetermined container (1); A tilting frame (3) connected to the upper part of the trailer (2); An actuator (4) provided to relatively adjust the angle of the tilting frame (3) with respect to the trailer (2); An outrigger (5) connected to the side of the trailer (2) that supports the ground or changes state to be separated from the ground; And a rolling member 6 provided on the outrigger 5 and rolling friction against the ground so that the trailer 2 moves forward or backward while the outrigger 5 supports the ground. Including, the tilting frame ( 3) to unload the bulk cargo inside the container (1) by tilting the trailer (2) and adjusting it so that one end of the container (1) with the entrance (9) is lower than the other end of the container (1). A trailer (2) equipped with a shaking device for unloading bulk cargo is provided.

The actuator 4 may be a member that applies force in a direction to adjust the height of the front end of the tilting frame 3, such as a hydraulic actuator or a linear actuator.

By applying a vibration load to the front end of the tilting frame (3) using the actuator (4), the bulk cargo inside the container (1) can be prevented from sticking, and unloading (discharge) can be promoted during unloading operations. there is.

The outrigger (5) can support the ground to prevent the trailer (2) from overturning due to vibration of the tilting frame (3) or unbalanced bulk cargo. At this time, a rolling member 6, such as a wheel 13 or a ball roller, may be provided at the end of the outrigger 5 so that the trailer 2 can move forward during unloading of bulk cargo.

While the trailer (2) is operating/driving, the outrigger (5)/rolling member (6) may be operated to prevent it from contacting the ground, such as by folding the outrigger (5).

The end of the tilting frame (3) to which the actuator (4) is not connected may be hinged and fixed to the trailer (2).

In addition, a workbench (8) is provided at the rear of the trailer (2) and is rotatable about a connection point (7) with the trailer (2) to provide a predetermined footing to the worker during unloading work. Including, in a state where the tilting frame (3) is tilted and adjusted so that one end of the container (1) where the entrance (9) is located is lower than the other end of the container (1), the work table (8) blocks the entrance (9). By adjusting the range, the unloading amount of bulk cargo can be adjusted.

By using the workbench 8 as described above, bulk cargo can be unloaded by distributing it over a predetermined area rather than having it spill into only one space.

When the entrance (9) is blocked with the work bench (8), it is desirable to design the length of the work bench (8) so that more than half of the height of the entrance (9) is covered.

And, a support bar (10) extending upward from the rear end of the tilting frame (3) and provided to fix the door of the entrance (9) when the entrance (9) is opened; An air injection device (11) provided at the top of the support (10); And an air injection nozzle 12 that extends from the air injection device 11 to the inside of the container 1 and whose length is adjustable inside the container 1; including, by tilting the tilting frame 3 to enter the entrance ( 9), one end of the container (1) is adjusted to be lower than the other end of the container (1), and the air outside the container (1) is compressed and sprayed inside the container (1) to release bulk cargo inside the container (1). can be unloaded.

The air injection nozzle 12 may include a rod that can be inserted into the inside of the container 1 using a telescopic function, and may be configured to spray compressed air from the end of the rod.

The air injection nozzle 12 may be equipped with a predetermined ultrasonic generator. The ultrasonic generator generates ultrasonic waves in the bulk cargo to prevent adhesion of the bulk cargo, and can promote unloading by vibrating the bulk cargo during unloading operations.

In addition, the rolling member 6 includes: a plurality of wheels 13 provided in a predetermined matrix form; A first elastic member 14 provided on each wheel 13 and having a predetermined elastic force; And a fixing plate 15 that fixes the first elastic members 14 and is coupled to the outrigger 5, so that the trailer 2 can move forward or backward while the outrigger 5 supports the ground. At this time, the height of the wheels 13 may be individually adjusted within a predetermined range depending on the shape of the ground.

Figure 5 shows an embodiment in which wheels 13 are provided in the form of a 3X3 matrix.

Through the above structure, unloading work can be performed while moving the trailer (2) even if the ground on which bulk cargo is unloaded is uneven, and the structural design of the wheels (13) is achieved by distributing the load applied to each wheel (13). It can reduce costs.

Hereinafter, a process of unloading bulk cargo using a trailer 2 equipped with a shaking device for unloading bulk cargo according to an embodiment of the present invention will be described.

First, after stopping the trailer (2) in the space where bulk cargo is to be unloaded, the trailer (2) is fixed through the outrigger (5), the entrance (9) of the container (1) is opened, and the door is attached to the support (10). Fix it. Gradually tilt the tilting frame (3) so that the workbench (8) blocks the open entrance (9). When the tilting frame (3) is tilted to a predetermined angle and the bulk cargo is poured toward the entrance (9), the angle of the work table (8) is gradually changed to control the unloading (discharge) amount of the bulk cargo. At this time, when the trailer 2 is moved forward, unloading of the bulk cargo can be promoted due to the inertia of the stationary bulk cargo.

In addition, a plurality of first twist locks provided on the tilting frame 3 to secure the container 1; A plurality of second twist locks provided on the trailer (2) to secure the tilting frame (3); A pair of hinge locks (16) that secure the tilting frame (3) to the rear end of the trailer (2); and a twist lock control device that controls the first twist lock and the second twist lock, wherein the twist lock control device: When the trailer 2 is running, both the first twist lock and the second twist lock are operated. Controlled to be fastened, when the trailer (2) is in unloading operation, the first twist lock is fixed but the second twist lock is controlled to be separated, and the hinge lock (16) is: fixed to the upper part of the trailer (2) Second elastic member (17); A hinge fixture (18) fixed to the top of the second elastic member (17); and a hinge axis 19 fixed to the hinge fixture 18 and fastened to the tilting frame 3, which occurs as the front end of the tilting frame 3 vibrates by the actuator 4. The vibration is transmitted to the second elastic member 17, and the rear end of the tilting frame 3 can be configured to vibrate due to the elastic force of the second elastic member 17.

Due to the operation of the actuator 4, a certain amount of vibration energy is generated in the tilting frame 3, and this vibration energy can be transmitted to the trailer 2 through the second elastic member 17. At this time, a certain vibration occurs due to the elastic force of the second elastic member 17 connecting the tilting frame 3 and the trailer 2, and the container 1 is moved by the actuator 4 at the front and at the rear. Vibrates by the second elastic member 17.

While driving the trailer (2), it is desirable to fasten both the first twist lock and the second twist lock to drive stably.

When unloading bulk cargo, the second twist lock is separated so that the trailer (2) and tilting frame (3) are hinged only at the hinge lock (16), so that the tilting frame (3) rotates around the hinge lock (16). can do.

1: Container 2: Trailer
3: Tilting frame 4: Actuator
5: Outrigger 6: Cloud member
7: Connection point with trailer 8: Workbench
9: Entrance 10: Support
11: air injection device 12: air injection nozzle
13: wheel 14: first elastic member
15: fixing plate 16: hinge lock
17: second elastic member 18: hinge fixture
19: Hinge axis

Claims (5)

A trailer equipped to load a predetermined container;
A tilting frame connected to the upper part of the trailer;
An actuator provided to relatively adjust the angle of the tilting frame with respect to the trailer;
An outrigger connected to the side of the trailer that supports the ground or changes state to be separated from the ground;
A rolling member provided on the outrigger and rolling friction against the ground so that the trailer moves forward or backward while the outrigger supports the ground; and
A workbench is provided at the rear of the trailer and is rotatable about a connection point with the trailer to provide a predetermined footing to the worker during unloading work. Including,
By tilting the tilting frame so that one end of the container with the entrance is lower than the other end of the container, the trailer is moved forward, thereby unloading bulk cargo inside the container while adjusting the extent to which the work platform blocks the entrance. Trailer equipped with shaking device for delete In claim 1,
a support extending upward from the rear end of the tilting frame and provided to secure the door of the entrance when the entrance is opened;
An air injection device provided at the top of the support; and
Including an air injection nozzle that extends from the air injection device into the interior of the container and whose length is adjustable within the container,
A shaking device for unloading bulk cargo that unloads bulk cargo inside the container by compressing the air outside the container and spraying it inside the container while tilting the tilting frame so that one end of the container with the entrance is lower than the other end of the container. trailer equipped with In claim 1,
The cloud member is:
A plurality of wheels provided in a predetermined matrix form;
A first elastic member provided on each wheel and having a predetermined elastic force; and
Including a fixing plate that secures the first elastic members and is coupled to the outrigger,
A trailer equipped with a shaking device for unloading bulk cargo, configured to individually adjust the height of the wheels within a predetermined range according to the shape of the ground when the trailer moves forward or backward while the outrigger supports the ground. In claim 1,
A plurality of first twist locks provided on the tilting frame to secure the container;
A plurality of second twist locks provided on the trailer to secure the tilting frame;
A pair of hinge locks that secure the tilting frame to the rear end of the trailer; and
It includes a twist lock control device that controls the first twist lock and the second twist lock,
The twist lock control device:
When the trailer is running, both the first twist lock and the second twist lock are controlled to be fastened,
When the trailer is in unloading operation, the first twist lock is fixed but the second twist lock is controlled to be separated,
The hinge lock is:
a second elastic member fixed to the upper part of the trailer;
A hinge fixture fixed to the top of the second elastic member; and
Including a hinge axis fixed to the hinge fixture and fastened to the tilting frame,
The vibration generated as the front end of the tilting frame vibrates by the actuator is transmitted to the second elastic member, and the rear end of the tilting frame vibrates due to the elastic force of the second elastic member. A shaking device for unloading bulk cargo is provided. trailer