WO2017073866A1

WO2017073866A1 - Electric container-locking apparatus

Info

Publication number: WO2017073866A1
Application number: PCT/KR2016/004495
Authority: WO
Inventors: 조현일; 한광희; 조재민
Original assignee: 조현일
Priority date: 2015-10-28
Filing date: 2016-04-29
Publication date: 2017-05-04
Also published as: KR101678167B1

Abstract

The present invention relates to an electric container-locking apparatus to improve workability and guarantee reliability by automatically locking or unlocking a container during loading or unloading. The electric container-locking apparatus couples the container with the upper frame by interlocking locking units, a plurality of which are disposed on the upper frame of a trailer and each of which includes a vertically moving cylindrical body unit, a head unit formed on the upper end of the body unit so as to be coupled to or released from a coupling unit of the container in accordance with a rotary angle, and a control unit protrusively formed to be gripped on one side of the lower end of the body unit so as to control a rotary angle of the head unit. The present invention comprises: wire units which are in a steel wire shape having a specific length and are respectively coupled to the control units of at least four locking units from among a plurality of locking units arranged on the upper frame; and a driving unit which applies tension to the wire units as a whole by fixating both ends of the wire units in a position adjacent to each other, and driving the control units of the locking units coupled with the wire units by simultaneously moving both ends of the fixated wire units in one direction.

Description

Electric Container Fixture

The present invention relates to an electric container fixing device, and more particularly, to an electric container fixing device for automatically locking or unlocking operation when loading or unloading a container to improve work efficiency and ensure reliability.

In general, a container is a container of a specific size that can carry a large amount of cargo made for land transportation or shipment transportation as a kind of transportation container, and refers to a loading box for safe and convenient transportation of cargo. It is also a standardized port for bulk cargo.

Such containers are transported on land by container vehicles, and in the case of sea, large containers are transported using large container ships for loading containers.

As a means of transporting containers by land, it is used in vehicles called trailers. These trailers are generally driven by tractors without driving power or controls.

The trailer is designed to fit the size of the container so that the standardized container can be loaded, and is also designed in consideration of the weight of the cargo loaded in the container. A trailer designed in this way will be equipped with one or two containers, which will prevent the container from leaving the trailer during sudden braking, curves, ramps, and other unexpected situations during transportation, and also to prevent flow. A locking device is installed at the top of the container to fix the container.

1A and 1B are cross-sectional views showing the state before and after the operation of the manual locking device according to the prior art.

Manual locking device according to the prior art, as shown in Figures 1A and 1B, the locking or unlocking action by the rotation and lifting operation of the lever (3) to a plurality of places of the upper frame (1) provided in the trailer. The locker 2 is provided, and as the driver operates the lever 3 of the locker 2 in a state where the container 4 is mounted at the predetermined position of the upper frame 1, an upper end of the locker 2 is provided. The head portion 2 'provided in the is inserted into and fastened to the binding hole 5 formed in the bottom of the container.

That is, the manual locking device performs a function of ensuring stability during transportation by integrally binding the trailer and the container loaded thereon.

However, most drivers operate without locking because of the cumbersome operation of the locking device while loading the container. In particular, the locking of the container cannot be performed on roads or sharp curves with poor road surface. If the vehicle is not operated, it may cause a big accident such as the container falling out or falling from the trailer.

In order to solve the above problems, there is proposed an automatic locking device such as Korean Utility Model Publication No. 20-0186762.

2A and 2B are cross-sectional views showing the state before and after the operation of the automatic locking device according to the prior art.

The automatic locking device according to the prior art, as shown in Figures 2A and 2B, is installed in the housing 10 made of a cylindrical body mounted to the upper frame of the trailer, the elastic spring 22 of the elasticity and the outside Actuator 20 having a hollow portion 21 to be raised up and down by the load of the, and the head portion 31 is installed coaxially to the hollow portion 21 of the actuating hole 20 inserted into the container Is provided with a locker (30) having a locking jaw 32 that is in contact with the interlocking operation during the immersion operation of the operating port 20, and the tubular groove by a predetermined depth from the bottom toward the inside of the locker (30) A slit groove 41 having a curved surface 40 is formed in the tubular groove 40 and guides the locker 30 to be rotated to a predetermined range when the locker 30 is lowered, and is elastic in the tubular groove 40. Fixed installation on the cover 11 coupled to the bottom of the housing 10 so as to slide freely via the spring 52 The direction of the locker 30 which is formed at the upper periphery of the upper end of the support shaft 50 and the support shaft 50 and is elevated along the slit groove 41 by the fixed shaft. A pin 51 to be displaced.

That is, the automatic locking device can be automatically locked and released by its own weight in the process of loading or unloading the container, thereby transporting the heavy container in a securely locked state as well as operating the locker. To prevent inconvenience caused by.

Meanwhile, according to the specifications of the trailer, the locking device is installed in the upper frame from 4 to 12 at regular intervals, and in the case of trailers with 6 or more locking devices, the locking device is used for fixing according to the size of the container to be loaded. Will be different.

However, in the conventional case, since the user has to manually operate the locking device in order to lock and unlock the plurality of locking devices, the working time becomes longer and the work efficiency is lowered. There is a problem that can cause an accident.

In addition, even if the automatic locking device is replaced, there is a problem in that a considerable replacement cost occurs because all of the existing manual locking devices must be removed and the automatic locking device must be reinstalled.

In addition, the automatic locking device has a problem that the loading and unloading of the container is not possible due to frequent failures, resulting in a significant loss of business as well as an increase in repair costs.

SUMMARY OF THE INVENTION An object of the present invention for solving the problems derived from the background art is to provide an electric container fixing device that allows a plurality of locking units installed on an upper frame of a trailer to be automatically locked and unlocked by interlocking with each other.

Another object of the present invention is to provide an electric container fixing device capable of reducing replacement costs by recycling and automating a manual locking device pre-installed on an upper frame of an existing trailer.

Still another object of the present invention is to provide an electric container fixing device capable of preventing a loss of operation by preventing an inoperable state due to a failure or breakage occurring in an automatic locking device.

On the other hand, the object of the present invention is not limited to the above-mentioned object, other objects that are not mentioned will be clearly understood from the following description.

The above object is, in accordance with an embodiment of the present invention, is arranged in a plurality of upper frames of the trailer, a cylindrical body portion moving up and down, and formed on the upper end of the body portion is fastened to the binding sphere of the container according to the rotation angle Or fixed to the electric container to bind the container on the upper frame by interlocking the lock unit including a head portion to be released and a control unit protruding protruding from the lower end side of the body portion to adjust the rotation angle of the head portion. An apparatus, comprising: a wire unit each connected to an operation unit of at least four lock units of a plurality of lock units disposed on the upper frame in the form of wires of a predetermined length; And fixing both ends of the wire unit at positions adjacent to each other so that tension is applied to the entire wire unit, and simultaneously moving both ends of the fixed wire unit in one direction so that the operation unit of the locking unit connected to the wire unit is driven. It can be achieved by an electric container fixing device comprising a; drive unit.

Preferably, the drive unit, a drive block for fixing both ends of the wire unit at the same time, a screw shaft through-coupled to the drive block for reciprocating the drive block for a predetermined section in the rotational direction, and the screw shaft of the It is characterized in that it comprises a motor connected to one end to provide rotational power.

Preferably, the drive block is formed with a pair of tension blocks for fixing both ends of the wire unit facing each other, at least one of the pair of tension blocks is a tension control member for adjusting the tension of the wire unit It is characterized in that the mounting.

Preferably, both ends of the wire unit protrude to the opposite surface of the pair of tension blocks, each of which is fixed to the fixed clip is bound, the elastic member between each of the tension block opposing surface and the fixed clip Is interposed to cushion the tension applied to the wire unit instantaneously.

Preferably, the drive unit further comprises a gear member connected to the other end of the screw shaft to transmit rotational power, and a handle member connected to the drive gear of the gear member to provide manual rotational power. It is done.

Preferably, the operation unit and the wire unit of the locking unit is characterized in that the binding to each other by a clamp of a predetermined shape.

Preferably, one end of the clamp is detachably bolted to the long hole formed in the operation unit, the bent one end of the clamp is slidably fastened along the longitudinal direction of the long hole, the other end of the clamp is the wire It is bound to a designated position of the unit, it is characterized in that it is bound in a rotatable state in the circumferential direction of the wire unit and bound in a fixed position in the longitudinal direction.

According to the present invention according to the above embodiment, the following effects can be expected.

First, since a plurality of locking units disposed on the upper frame of the trailer are automatically locked and released by interlocking with each other, the loading and unloading operation of the container is very easy.

Secondly, when the lock unit and the drive unit are electrically interlocked with a sensor or an alarm lamp, the driver can directly notify the driver of a danger signal when the lock unit and the driving unit are not locked, thereby preventing safety accidents.

Third, it is possible to greatly reduce the replacement cost because it can be automated by recycling the manual locking device already installed on the upper frame of the existing trailer.

1a and 1b are cross-sectional views showing the state before and after the operation of the manual locking device according to the prior art,

2a and 2b are cross-sectional views showing the state before and after the operation of the automatic locking device according to the prior art,

3 is a conceptual view for explaining the electric container fixing device according to an embodiment of the present invention,

4 is an exemplary diagram showing an example that can be added in an embodiment of the present invention,

5 is an exemplary diagram showing another example that may be further added in an embodiment of the present invention.

10: upper frame

20: lock unit

22: head part

24: body

25: lower locking part

26: control panel

26h: long hole

200: wire unit

300: clamp

320: bolting member

340: fixed support member

360: rotating support member

400: drive unit

420: drive block

430: tension block

432: tension adjusting member

434: elastic member

436: fixed clip

440: screw shaft

460: motor

470: guide block

482: gear member

484: handle member

500: guide roller

Advantages and features of the present invention and methods for achieving them will be apparent with reference to the embodiments described below in detail with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but will be implemented in various forms, and only the embodiments are to make the disclosure of the present invention complete, and those skilled in the art to which the present invention pertains. It is provided to inform the full scope of the invention. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. In this specification, the singular forms also include the plural unless specifically stated otherwise in the phrases.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. On the other hand, illustrated and detailed description of the configuration and its operation and effects can be easily understood from those skilled in the art will be briefly or omitted and will be described in detail with respect to the parts related to the present invention.

The electric container fixing device according to an embodiment of the present invention is for automatically or manually controlling a plurality of locking units 20 disposed on the upper frame 10 of the trailer. Here, the locking unit 20, as schematically shown in Figure 3, is formed on the upper end of the cylindrical body portion 24 of the cylindrical shape, and the body portion 24 is moved in accordance with the rotation angle of the container It includes a head portion 22 that is fastened or released to the binding sphere, and the operation portion 26 to protrude so as to be gripped from the lower end side of the body portion 24 to adjust the rotation angle of the head portion 22 On the premise that Since the locking unit 20 corresponds to a basic configuration of a conventional locking device (locking device), a detailed description thereof will be omitted. That is, the present invention can be applied to an existing locking device.

According to the present invention, on the premise of the configuration of the locking unit 20 as described above, the components to be described later are coupled to each other by an organic relationship. As shown in FIG. 3, the wire unit 200 and the wire unit 200 are largely connected. It includes a drive unit (400).

First, the wire unit 200 is bound to an operation unit of at least four lock units of the plurality of lock units 20 disposed on the upper frame 10 in the form of wires of a predetermined length. That is, a circumference band is formed along the plurality of locking units 20.

Here, the guide roller 500 is preferably disposed inside the bent portion of the wire unit 200, the guide roller 500 is supported at the inside of the bent portion of the wire unit 200 and at the same time wire When the unit 200 is driven by the drive unit 400 to be described later to be more easily driven.

Next, the driving unit 400 is fixed to both ends of the wire unit 200 in a position adjacent to each other so that the tension is applied to the entire wire unit 200. The driving unit 400 moves the both ends of the wire unit 200 simultaneously in one direction while the tension is applied to the wire unit 200 to control the operation unit 26 of the locking unit 20 bound to the wire unit 200. ) Is driven.

In other words, when the position of the operation unit 26 is moved, the body portion 24 of the locking unit 20 is rotated at an angle, and accordingly, the head portion 22 of the locking unit 20 binds to the container. Will be fastened or unfastened.

Therefore, in the present invention, since the plurality of lock units 20 operate in conjunction with one wire unit 200, the lock unit 20 can control the locking and unlocking operation of the lock unit 20 in one operation.

The drive unit 400 is specifically, a drive block 420 for simultaneously fixing both ends of the wire unit 200, and the drive block 420 is coupled through the drive block 420 through the rotation direction It includes a screw shaft 440 for reciprocating a predetermined interval, and a motor 460 is connected to one end of the screw shaft 440 to provide rotational power. Here, the guide block 470 may be further included to guide the drive block 420 to be reciprocated along a predetermined line, and the guide block 470 is formed with a guide groove or a rail and the drive block 420 The lower end of the) can be moved in the inserted or seated state.

Thus, since the motor 460 can be electrically controlled through a control module (not shown), the driving unit 400 can be implemented automatically. In this case, an operation panel (not shown) for operating the control module may be installed outside the trailer or inside the vehicle.

Here, a pair of tension blocks 430 may be formed in the driving block 420 to fix both ends of the wire unit 200 to face each other, as illustrated in FIG. 4. At least one of the pair of tension blocks 430 may be equipped with a tension adjusting member 432 for tension adjustment of the wire unit 200. That is, by adjusting the tension of the wire unit 200, it is possible to finely adjust the rotation angle of the head portion 22 of the lock unit 20 according to the movement interval of the drive block 420 of the drive unit 400, Release tension for easy maintenance and repair.

In addition, both ends of the wire unit 200 may protrude to opposite surfaces of the pair of tension blocks 430. In this case, fixing clips 436 are respectively coupled to both ends of the protruding wire unit 200 so that the wire unit 200 can be supported and fixed without being separated from the tension block 430.

In particular, it is preferable that an elastic member 434 is interposed between each of the tension block 430 facing surface and the fixed clip 436, and the elastic member 434 is instantaneously applied to the wire unit 200. The tension buffer buffers the device against shock and allows the locking unit 20 bound to the wire unit 200 to be driven more flexibly.

Further, the configuration of the tension block 430, the fixed clip 436 and the elastic member 434 can be installed at any point of the wire unit 200.

On the other hand, the drive unit 400 is connected to the other end of the screw shaft 440 as illustrated in Figure 3, the gear member 482 for transmitting rotational power, and the drive gear of the gear member 482 and It may further include a handle member 484 connected to provide manual rotational power. Thus, even if the motor 460 is broken and the screw shaft 440 is not automatically driven, the screw shaft 440 may be manually rotated by using the handle member 484. The interruption can be prevented beforehand.

Furthermore, as illustrated in FIG. 5, the operation unit 26 and the wire unit 200 of the locking unit 20 may be coupled to each other by the clamp 300 having a predetermined shape.

Here, one end of the clamp 300 is detachably bolted to the long hole (26h) formed in the operation unit 26, wherein the bent one end of the clamp 300 according to the driving state of the locking unit 20 It is preferable to be made to slide in the longitudinal direction within the section of the long hole (26h). That is, the locking unit 20 may be recessed under the upper frame 10 depending on whether the head unit 22 is used, and the clamp 300 is slid along the long hole 26h to bind the wire unit ( Do not apply excessive tension to the 200).

In addition, the bolting fastening of the operation unit 26 and the clamp 300 as described above, the manual operation is possible by releasing the bolting fastening when manual switching of the lock unit 20 which is unused or inoperable is necessary.

In addition, the other end of the clamp 300 is bound to a designated position of the wire unit 200, the wire unit 200 is bound in a rotatable state in the circumferential direction and the position is fixed in the longitudinal direction It is preferable to bind with. This is to prevent the wire unit 200 from being twisted or worn when the head 22 of the locking unit 20 is recessed or the operation unit 26 moves.

Although not shown, a sensor, a control module, a warning lamp, and the like, which electrically detect and drive the driving of the above-described components may be further added.

For example, a sensor is provided at a position adjacent to the screw shaft 440 of the driving unit 400 to sense whether the screw shaft 440 is rotated so that the driving unit 400 can know the operating state. do. In addition, a sensor is also provided at a position adjacent to the head portion 22 of the locking unit 20 so as to know a locked (locked) or unlocked (unlocked) state.

The signal sensed by the sensor is transmitted to the control module so that it can be utilized as an extended signal processing. Further, it may further include a warning lamp electrically connected to the control module. The warning lamp blinks a color indicating caution when the screw shaft 440 operates, and a color indicating whether the locking unit 20 is locked or released is displayed differently. Therefore, the driver or the worker can easily grasp the fixed state of the container as well as the operating state of the drive unit will be a safe operation.

According to the embodiment of the present invention described so far, the following effects can be expected.

The foregoing has outlined rather broadly the features and technical advantages of the present invention in order that the claims that follow may be better understood. Those skilled in the art will appreciate that the present invention can be embodied in other specific forms without changing the technical spirit or essential features of the present invention. Therefore, it should be understood that the embodiments described above are exemplary in all respects and not restrictive. The scope of the invention is indicated by the following claims rather than the above description, and all changes or modifications derived from the claims and their equivalents should be construed as being included in the scope of the invention.

Claims

It is arranged in a plurality of upper frames of the trailer, a cylindrical body portion that moves up and down, a head portion formed on the upper end of the body portion is fastened or released to the binding port of the container according to the rotation angle, and one side of the lower end of the body portion In the electric container fixing device for binding the container on the upper frame by interlocking the locking unit including the operation unit for controlling the rotation angle of the head portion is formed to be gripped in the upper frame,

A wire unit each of which has a predetermined length in the form of a wire and is coupled to an operation unit of at least four locking units of the plurality of locking units disposed on the upper frame; And

Both ends of the wire unit are fixed at positions adjacent to each other so that tension is applied to the entire wire unit, and both ends of the fixed wire unit are simultaneously moved in one direction to drive the operation unit of the locking unit bound to the wire unit. Drive unit;

Electric container fixing device comprising a.
The method of claim 1,

The drive unit,

A driving block for simultaneously fixing both ends of the wire unit;

A screw shaft coupled to the drive block to reciprocate the drive block for a predetermined period in a rotational direction;

And a motor connected to one end of the screw shaft to provide rotational power.
The method of claim 2,

The drive block is formed with a pair of tension blocks for fixing both ends of the wire unit facing each other,

At least one of the pair of the tension block is a container, characterized in that the tension control member for tension adjustment of the wire unit is mounted.
The method of claim 3,

Both ends of the wire unit protrude to the opposite surface of the pair of tension blocks, the fixing clip is bound to both ends of the protruding end,

An elastic member is interposed between each of the tension block opposing surfaces and the fixing clip to cushion the tension applied to the wire unit instantaneously.
The method of claim 2,

The drive unit,

A gear member connected to the other end of the screw shaft to transmit rotational power;

And a handle member connected to the drive gear of the gear member to provide manual rotational power.
The method of claim 1,

The control unit and the wire unit of the locking unit is an electric container fixing device, characterized in that coupled to each other by a clamp of a predetermined shape.
The method of claim 6,

One end of the clamp is detachably bolted to the long hole formed in the operation unit, the bent one end of the clamp is slidably fastened along the longitudinal direction of the long hole,

The other end of the clamp is bound to a specified position of the wire unit, the electric container fixing device characterized in that the binding in a state rotatable in the circumferential direction of the wire unit and the fixed position in the longitudinal direction .