KR101147375B1 - Skates for carrying a freight - Google Patents

Abstract

PURPOSE: A skate for carrying a freight is provided to prevent interference with a freight while inserting a body and a head in a track by horizontally forming the body and the head. CONSTITUTION: A skate for carrying a freight comprises a body(10), a bogie(20), multiple inclined blocks(40), a separation preventing hole(45), a head(50), a driving cam(60), and an actuating link(70). The bogie is arranged in an opened part of the body to be folded. In the bogie, a main roller(22) and a lifting roller(30) capable of rotating bidirectionally are installed in a predetermined interval. The inclined block creeps up the lifting roller to be lifted. The separation preventing hole prevents separating the body and the bogie. The head is horizontally formed with the body, an accommodating groove(52) is formed on the top of the head, and a rack is formed at the bottom of the accommodating groove. The driving cam pushes the head and the bogie to the opposite direction of a rotating direction while rotating around a hinge as a central axis. The actuating link pulls the body in the rotating direction so that the inclined block creeps up the lifting roller, thereby raising the body in the bogie.

Description

Carrying skates {SKATES FOR CARRYING A FREIGHT}

The present invention relates to a skate used to ensure the convenience of transport when unloading cargo in various loading boxes, such as a long-term tower, and more particularly, even if the cargo is loaded in the interior of the cargo box or the opposite direction It can be inserted into the track of the loading box in any of the directions, and also for the cargo-type gear skate for easy and stable operation for lifting and easy storage when not in use.

In general, in order to safely protect various cargoes from bad weather or external environment during logistics transportation, and to maintain hygiene and freshness in the case of foodstuffs, it is manufactured in container shape in the loading space of vehicles such as so-called special vehicles, extra-large towers, refrigerated tower trucks and wing body trucks. A variety of special vehicles with separate loading boxes are available.

When unloading the cargo into the loading box, the cargo is loaded onto the inlet of the loading box by using a transport mechanism such as a forklift truck or a crane, and then loaded into the inside of the loading box by manpower, or the cargo is transported to the entrance of the loading box by manpower. It is lowered by a transporting machine such as a forklift truck or a crane. At this time, a track having an upper opening is formed and installed at the bottom of the loading box for easy and convenient transportation of cargo in the loading box. So-called skates or trolleys are inserted.

As an example of a skate or trolley used in the process of unloading cargo in such a loading box is disclosed in the Republic of Korea Patent Publication No. 10-1039040. As shown in FIG. 1, a carrier 100 supporting the bottom of the cargo and a main roller 211 foldably mounted inside the carrier 100 and rolling on the bottom along a track are provided. The skate 200 provided in the skate 200 and the lift control unit 300 and the carriage 100 to lift the carriage 100 in the skate 200 to lift the cargo to a certain height from the bottom surface of the loading box. ) Is composed of a separation prevention member 400 to prevent separation.

That is, the carriage 100 is in the shape of the inverted square tube, the top surface is formed to be in flat contact with the bottom surface of the cargo, the inside is formed a space for mounting the skate 200, one side of the lifting operation unit 300 The lever 1 for operating () is opened to be inserted.

And the skate 200 is installed in close proximity to the inner surface of the carriage 100, a plurality of main rollers 211 are installed at equal intervals between the left and right pair of frames 210.

In addition, the lifting operation unit 300 is a plurality of inclined blocks 330 installed at a uniform intervals in the interior of the carriage 100, and a plurality of inclined blocks 330 between the frame 210 of the skate 200. The lifting roller 340 having a dog installed, and the drive link 310 and the drive link 310 to move the skate 200 by the operation of the lever to move the lifting roller 340 along the inclined block 330 Is connected between the frame 210 and the skate is composed of an operation link 320 to interlock with each other.

The conventional cargo transport trolley configured as described above is mounted to be moved between the cargo and the bottom surface of the storage box along a track mounted on the bottom surface of the storage box, and then operates a lifting operation unit 300 by using a separate lever. Simultaneously with the rotation and linear movement of the 310 and the operation link 320, the lifting roller 340 moves downward along the inclined block 330, so that the skate 200 moves as much as the height of the inclined block 300. 100) protrudes down, and as a result, the carriage 100 in the skate 200 is raised to raise the cargo from the bottom of the loading box, and the main roller 211 is free to rotate free from interference of the carriage 100 Since it is slidable along the tracks of the loading bin, the operator can quickly and easily transport the cargo to the desired location of the loading bin.

However, when the conventional trolley is not in use, the skate 200 is folded in the pallet 100 to maintain the state of being inserted into the track of the loading box together with the pallet 100 of the lifting operation unit 300. Lifting width of the carriage 100 according to the operation is bound to be limited.

That is, the rising width of the carriage 100 is determined by the distance between the rotation axis of the drive link 310 and the hinge of the operation link 320 and the rotation angle of the drive link 310, but the rotation angle of the drive link 310 Since the end of the lever is inserted and coupled to the elevating control unit 300 to obstruct and restrict the rotation range, readjustment is structurally impossible and the distance between the rotation axis of the drive link 310 and the hinge of the operation link 320 is increased. Since the overall size becomes unnecessarily large, it becomes difficult to reduce the weight and size.

In addition, since the housing 110 in which the elevating operation unit 300 is built is formed to protrude upward, when not in use, storage is not very inconvenient, and when the cargo is loaded in the inside of the storage box, the cargo is loaded in one direction of the cargo. If it is necessary to insert along the track and move from the opposite direction of the cargo or move in the opposite direction, there is work inconvenience and inconvenience in use such as the worker having to move and reinsert one by one.

In addition, when the drive link 310 is rotated and operated using a separate lever, the operation link 320 connected thereto pushes the skate 200 while rotating and linearly moving, and the lifting roller 340 mounted thereon is inclined block 330. Since the skate 200 is projected below the carriage 100 by the height of the inclined block 300 by the link movement to move down along, so that the carriage 100 rises with respect to the floor surface. When a load is applied to the upper surface of the pallet 100, the operation of the drive link 310 and the operation link 320 is only connected to the carrier 100 while supporting the weight of the load does not fall because of There is a problem that does not rise as easily as a stable height accompanied by considerable difficulty in the operation.

Republic of Korea Patent Publication No. 10-0430025 (2004.05.04.) Republic of Korea Patent Publication No. 2002-0080275 (2002.10.23.) Republic of Korea Patent Publication No. 10-0750269 (2007.08.17.) Republic of Korea Patent Publication No. 10-1039040 (2011.06.03.) Republic of Korea Utility Model Registration Publication No. 20-0423789 (August 10, 2006)

Therefore, the present inventor puts emphasis on solving the above-mentioned matters and problems, and it is convenient to insert and mount on the track regardless of the presence or absence of cargo in the inside of the loading box, and to store easily when not in use, and the lifting operation is quick and easy. While devoting to study the development of a cargo transport skate that can be made stably while devising the present invention.

It is therefore an object of the present invention to provide a cargo transport skate that allows for convenient and easy insertion and mounting on the tracks of a cargo box.

Another object of the present invention is to provide a cargo transport skate that can be made easy and stable lifting operation and operation.

Still another object of the present invention is to provide a cargo transport skate that is easy to store when not in use.

In order to achieve the above object, an embodiment of the present invention is a body having a lower opening, a foldably mounted to the opening of the body, the bottom is provided with a plurality of main rollers capable of rolling motion, and the view of the view A plurality of lifting rollers mounted at a predetermined interval therein, a plurality of inclined blocks formed inside the body to climb the lifting rollers, a separation prevention unit preventing the body and the bogie from being separated, and the cloud of the bogie It is connected to one end of the direction by a hinge joint, and has a storage space in the horizontal height and the inside of the body, the bottom of the storage space is mounted to the head of the rack is formed, the hinge space in the storage space of the head, the rack A pinion is formed to engage with and pushes the head and the bogie in a direction opposite to the direction of rotation during the rotational operation with the hinge as the central axis. The inclined block moves up and down the elevating roller by pulling the body in the rotational direction in accordance with a rotational operation connected to the drive cam and the body and the drive cam so as to rotate about the hinge of the drive cam. While providing a load carrying skate comprising an actuating link to allow the body to be lifted from the bogie.

As a result, the present invention can be easily inserted and mounted on the track regardless of the presence or absence of cargo inside the loading box, as well as the lifting operation and operation can be made quickly and easily, and the convenience and efficiency of storage when not in use can be achieved. .

In addition, in another embodiment of the present invention, both ends of the hinge of the drive cam is provided with a cargo transport skate, characterized in that it is mounted in the guide hole of the long hole type formed on both sides of the receiving groove of the head so as to be movable relative to the head. can do.

In addition, in another embodiment of the present invention, the upper surface of the body adjacent to the head can provide a cargo transport skate, characterized in that the stopper that is in contact with the side of the cargo to be foldable.

According to the present invention having the above-described problem solving means and configuration, since the body and the head are formed at a horizontal height, the contact interference with the cargo does not occur during insertion and mounting on the track, even if the cargo is loaded inside the cargo box. It can be inserted and mounted freely and easily along the track in both directions, and it is possible to reduce the weight and improve the space efficiency. It is easy to store and transport when not in use, thus greatly improving the convenience of work and use. can do.

In addition, the present invention is coupled to the rack of the head and the pinion of the drive cam is engaged, so that the rack and the pinion is meshed with each other during the rotational operation of the hinge of the drive cam to rotate the body connected through the drive cam and the operation link pull At the same time, the bogie connected with the head can be made more efficiently and quickly and easily because the inclined block is lifted up and down by the operation of pushing the body in a direction opposite to the moving direction of the body.

1 is an exemplary view showing a cargo transport skate according to the prior art,
Figure 2 is a side cross-sectional view showing a view of the folded state of the cargo carrying skates according to an embodiment of the present invention,
3 is a perspective view showing a local part of FIG.
Figure 4 is a side cross-sectional view showing a bogie and a stopper unfolded state of the cargo transport skate according to an embodiment of the present invention,
5 is a perspective view showing a local portion of FIG.
6 is a perspective view showing a state of the local part of FIG. 4 viewed from the bottom;

Hereinafter, embodiments according to the present invention will be described more specifically with reference to the accompanying drawings.

Prior to this, the following terms are defined in consideration of the functions in the present invention, which specifies that the concept should be construed as a concept consistent with the technical spirit of the present invention and commonly understood or commonly recognized in the art.

In the following description, well-known functions or constructions are not described in detail to avoid obscuring the subject matter of the present invention.

On the other hand, in the following description, when installed on the track of the cargo transport skate according to the present invention in the longitudinal direction of the sliding movement along the track side in the longitudinal direction of the front and rear, the side of the direction perpendicular to the longitudinal direction Define the right and left sides.

2 is a cross-sectional view showing a folded state of the cargo transport skate according to an embodiment of the present invention, Figure 3 shows a local portion of Figure 2, Figure 4 is an example of a cargo transport skate according to an embodiment of the present invention And a state in which the stopper is unfolded in cross section, FIG. 5 is a view of the local portion of FIG. 4, and FIG. 6 is a view of the local portion of FIG. 4 as viewed from the bottom, as shown in FIGS. 2 and 3. Cargo carrying skate according to an embodiment of the invention by body 10, bogie 20, lifting roller 30, inclined block 40, head 50, drive cam 60, operating link 70 roughly It is configured to include this.

The body 10 is a part in contact with the lower surface of the cargo, and is formed in a flat shape such that its upper surface is in surface contact with the lower surface of the cargo, as if the lower opening is in the shape of an inverted corner tube. A storage space for folding and inserting is formed.

And the lower surface of the body 10, the inclined block 40 is inclined obliquely to the surface facing the lifting roller 30 so as to climb on the lifting roller 30 of the bogie 20 during operation of the drive cam 60. ) Are formed along the lengthwise direction at regular intervals.

In addition, a portion of the upper circumferential surface of the lifting roller 30 is inserted in close contact with the lower surface of the inclined block 40 so that the body 10 can be stably maintained in the raised state in the bogie 20. Is formed.

That is, the body 10 ascends from the bottom surface of the loading box by the moving height of the lower surface of the inclined block 40 on the top circumferential surface of the lifting roller 30.

And the lower surface of the opening of the body 10 is provided with a separation prevention hole 45 to prevent the body 10 and the bogie 20 is separated.

That is, the separation preventer 45 is fixed to the lower surface of the opening of the body 10 and has an inclined surface on one side, such as the inclined block 40, the inside of the hollow plate member and the frame 21 of the bogie 20 The rod member is fixed to the bogie 20 and passes through the inner space of the plate member so as to move together with the bogie 20 without being separated within the plate member.

And the upper surface of the body 10 adjacent to the head 50 is provided with a stopper 11 foldable to cause contact interference with the side of the loaded cargo.

That is, a stopper hole 13 is formed in a portion corresponding to the stopper 11 in a portion of the upper surface of the body 10 adjacent to the head 50, and the stopper 11 is formed through the stopper hole 13. It is coupled to the inside of one side of the hinge (10), and the opposite side of the hinge is formed in the form of a rotary lever, so that the stopper 11 is firmly maintained horizontally folded with the upper surface of the body 10 without flowing freely. The stopper holder 12 is mounted at a position slightly lower than the upper surface of the body 10.

In this case, the stopper 11 and the stopper holder 12 are mounted so as not to protrude to the upper surface of the body 10, so that the stopper 11 and the stopper holder 12 do not cause contact interference with the lower surface of the cargo.

The stopper 11 is rotatable within the horizontal and vertical angle range with respect to the upper surface of the body 10 with the hinge as the center axis according to the user's selection, when the vertically perpendicular to the upper surface of the body 10 Interfering with the edge side of the loaded cargo, the movement of the cargo can be made easier.

The bogie 20 is foldably mounted on the inner bottom surface of the opening of the body 10 and performs a rolling motion upon receiving an external force. The left and right pairs of frames 21 coupled to each other by a plurality of connecting rods and a length between them are provided. The main roller 22 and the inclined block 40 of the body 10 slides up and down in a surface contact with a plurality of dogs mounted at a predetermined interval along the direction so as to rotate bidirectionally along the track of the loading box. It is comprised including the lifting roller 30 which makes it roll.

That is, the main roller 22 and the lifting roller 30 are freely rotated so that both ends of the rotating shaft are coupled to the frame 21 of the bogie in a pivot or hinge joint manner.

Here, the main roller 22 and the lifting roller 30 can be used that is built-in bearings of the form surrounding the axis of rotation so that the rotation is made more smoothly.

The bogie 20 is folded or unfolded with respect to the body 10 according to the operating direction of the drive cam 60 to be inserted and drawn out into the space inside the opening of the body 10.

The head 50 accommodates a portion of the drive cam 60 and the operation link 70 so that the link operation, the engagement operation of the rack 53 and the pinion 62, and the movement of the bogie 20 can be simultaneously performed. As, the height of the body 10 with respect to the virtual bottom surface to form a horizontal height is connected to one end of the rolling direction of the bogie 20 and the hinge joint by the first hinge pin 51, the upper drive cam Receiving groove 52 for receiving a portion of the 60 and the operation link 70 is formed, the bottom portion of the receiving groove 52 is formed with at least one rack (53).

In addition, a guide hole 54 having a long hole shape for mounting the second hinge pin 61 of the drive cam 60 is formed on both side walls of the storage groove 52, and the storage groove 52 and the partition wall are formed therebetween. To this end, the sub-roller 55 is freely rotated so that the rolling motion of the head 50 can be made more smoothly.

Here, the guide hole 54 is a portion in which both ends of the second hinge pin 61 connecting the head 50 and the drive cam 60 are coupled, and the drive cam is formed by forming a hole in the rolling direction of the bogie 20. In the process of operating (60), the position thereof can be changed along the guide hole (54) so that the stable engagement of the rack (53) and the pinion (62) and the smooth rotation of the drive cam (60) with respect to the head (50). The operation can be made.

The drive cam 60 is a part that provides a driving force for the lifting and lowering of the body 10 with respect to the bogie 20, and the head 50 and the second hinge pin 61 inside the receiving groove 52 of the head 50. And a pinion 62 which is attached to the hinge joint and engaged with the rack 53 of the head in a gear meshing manner on the outer circumferential surface of the second hinge pin 61 as the center axis.

And a lever coupling groove 64 is formed on the upper surface of the drive cam 60 to insert and insert a tool such as a lever for the rotation operation.

That is, the driving cam 60 simultaneously pushes the head 50 and the bogie 20 in the opposite direction to the rotational direction during the rotational operation with the second hinge pin 61 as the center axis, whereby the body 10 ) Is lifted above the track so that the cargo on its top surface is lifted to a certain height from the bottom of the loading box.

In this case, the pinion 62 may be formed in at least one or both sides of the driving cam 60 or along the longitudinal direction of the second hinge pin 61.

The operation link 70 is a portion that transmits the exercise force according to the link movement between the body 10 and the drive cam 60, both ends are rotatably connected to the body 10 and the drive cam 60.

That is, according to the rotational operation with the second hinge pin 61 of the drive cam 60 as the center axis, the body 10 is pulled in the rotational direction thereof so that the inclined block 40 rides on the lifting roller 30. In this case, the height of the bottom surface of the stacker can be increased while the body 10 is unfolded in the bogie 20.

Here, the operation link 70 is preferably formed on at least one side on both sides of the drive cam 60 and both sides formed to face each other by the opening of the body 10.

As shown in Figure 2, the cargo transport skate according to the embodiment of the present invention configured as described above, when the body 10 is folded down to the lowest position with respect to the bogie 20, the lifting roller 30 and the inclined block 40 ) Are positioned horizontally to each other, the driving cam 60 and the operation link 70 is folded and inserted into the receiving groove 52 of the head so that the upper surface of the body 10 and the upper surface of the head 50 form almost the same horizontal plane. State is maintained.

Therefore, when inserted and mounted on the track, contact interference with the cargo does not occur as in the prior art, and thus it is possible to insert and mount freely and easily along the track in both directions of the cargo, thereby increasing convenience and efficiency according to the work, and making it compact. Since the space efficiency is increased through the shape, when not in use, it can be stored and carried easily and conveniently.

In addition, as shown in Figure 4, when the body 10 is raised to the maximum position with respect to the bogie 20 by the rotation about its second hinge pin 61 of the drive cam 60 by the central axis The body 10 is pulled toward the head 50 and at the same time the bogie 20 is pushed in the opposite direction to the moving direction of the body 10 due to the connecting motion of the inclined block 40 around the top of the lifting roller 30. It is naturally positioned on the face.

In other words, unlike the conventional method of lifting the body 10 from the bogie 20 by a simple link coupling structure, the driving force required for the lifting of the body 10 is engaged by the rack 53 and the pinion 62. Since the pinion 62 is subordinately moved by the angle at which the rack 53 rotates by being directly transmitted, the driving force necessary for the elevating operation of the body 10 is maximized, and as a result, the elevating operation of the body 10 is more convenient. And can be made stably.

Furthermore, the cargo carrying skate according to the embodiment of the present invention has the stopper 11 according to the user's choice, when used at an angle perpendicular to the upper surface of the body 10 with the hinge as the center axis, the side edge of the loaded cargo It is closely attached to cause contact interference, and this makes it possible to transfer the force applied to the cargo properly, thus making the movement of the cargo much easier.

On the other hand, the present invention is not limited to the above-described embodiment and the accompanying drawings, and various modifications and applications that are not illustrated within the scope not departing from the technical spirit of the present invention, as well as substitution of components and other equivalent As embodiments may be changed, the contents related to the modifications and applications of the features of the present invention should be interpreted as being included in the scope of the present invention.

10: body 11: stopper
12: stopper holder 13: stopper hole
20: bogie 21: frame
22: main roller 30: lifting roller
40: inclined block 45: separation prevention
50: head 51: first hinge pin
52: storage groove 53: rack
54: guide hole 55: sub roller
60: drive cam 61: second hinge pin
62: pinion 64: lever coupling groove
70: operation link

Claims (3)

Body 10;
A bogie 20 which is provided in a foldable manner in the opening of the body 10 and has a plurality of main rollers 22 and elevating rollers 30 which are bi-directionally rotatable at regular intervals;
A plurality of inclined blocks 40 formed on the lower surface of the opening of the body 10 to climb on the lifting rollers 30;
A separation prevention part 45 for preventing the body 10 and the bogie 20 from being separated;
It is connected with a hinge joint at one end of the rolling direction of the bogie 20 at a horizontal height with the body 10, and an accommodating groove 52 is formed on an upper surface thereof, and a rack 53 is disposed on a bottom surface of the accommodating groove 52. Head 50 is formed;
A pinion 62 which is mounted inside the receiving groove 52 of the head 50 and engaged with the rack 53 is formed so that the rotation direction of the hinge at the center axis is opposite to the direction of rotation thereof. A drive cam 60 for pushing the head 50 and the bogie 20 into place;
Rotatingly connected between the body 10 and the drive cam 60, the inclined block by pulling the body 10 in the direction of rotation in accordance with the rotation operation of the hinge of the drive cam 60 as a center axis ( An actuating link (70) for allowing the body (10) to be lifted from the bogie (20) while the ascend (40) rides the lifting roller (30); ≪ / RTI &
Guide holes 54 having a long hole shape are formed at both sides of the receiving groove 52 of the head 50, and both ends of the hinge of the driving cam 60 may be moved relative to the head 50. Mounted on 54,
A stopper hole 13 is formed in a portion of the upper surface of the body 10 adjacent to the head 50,
It is formed in a shape corresponding to the stopper hole 13 and is coupled to the inside of the body 10 through the stopper hole 13 by a hinge joint, the hinge on the upper surface of the body 10 with a central axis A stopper 11 is provided, which causes contact interference with the side of the cargo when standing perpendicular to the
The stopper holder is inserted into the stopper hole (13), characterized in that the stopper holder (12) is provided to keep the state folded horizontally with the upper surface of the body (10).
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