KR101567033B1

KR101567033B1 - Lightweight steel pallets

Info

Publication number: KR101567033B1
Application number: KR1020150053953A
Authority: KR
Inventors: 이희만
Original assignee: 이희만; 캐리월드 주식회사
Priority date: 2015-04-16
Filing date: 2015-04-16
Publication date: 2015-11-06

Abstract

The present invention relates to a lightweight metal pallet, more particularly, to a metal pallet which can minimize the weight of a pallet formed by joining steel frames, while enhancing the supporting force, and optionally assembling the plate pallet and the box pallet The present invention relates to a lightweight steel pallet.
The present invention provides a metal pallet comprising a top plate and a leg member connected to a lower portion of an upper plate, wherein the top plate has a first outer frame in a closed form in a " And at least one support member connected to the support member in a transverse direction or a longitudinal direction.

Description

Lightweight steel pallets

The present invention relates to a lightweight metal pallet, more particularly, to a metal pallet which can minimize the weight of a pallet formed by joining steel frames, while enhancing the supporting force, and optionally assembling the plate pallet and the box pallet The present invention relates to a lightweight steel pallet.

Generally, a pallet disposed at the lower part of a bundle bundle for facilitating the transportation of forklifts is made of wood, synthetic resin, etc., and has been widely used for transportation of cargoes at most factories or quays.

However, the conventional pallet described above has a problem in that the volume of the empty pallet itself except for the cargo is formed to be too large, which makes the volume of the cargo unnecessarily unnecessarily large, resulting in an excessive cost of logistics.

In addition, the pallet of wood material can be produced various kinds of germs, so it is unsafe for hygiene, and pallet made of plastic or synthetic resin that can replace it is advantageous in production cost, but a mold for each size is needed separately So that it is practically impossible to produce pallets of various sizes.

In recent years, to cope with this problem, a conventional steel pallet has been produced. However, the number of parts has increased, and manufacturing costs have increased, and automation of mass production has become difficult. In addition, the assembled piece bolts are easily relaxed And the shortage of the service life of the pallet has shortened. After that, the entire pallet has been integrally manufactured up to the leg portion. However, various difficulties such as the excessive installation of the equipment cost are appearing. In order to achieve the purpose of the pallet, And so on.

In addition, conventionally, since the middle plate for joining the upper plate and the lower plate is manufactured by welding, even when the pallet is not used, it must be transported and stored in a assembled state. Therefore, the pallet is large in weight and bulky, So that it is not easy to handle.

As a technique for solving such a problem, Korean Patent Registration No. 10-1222932 discloses a prefabricated pallet, which is a registered patent of the present applicant, and its main technical structure is a prefabricated pallet comprising a top plate, Wherein the intermediate support is slidably fitted between the upper plate and the lower plate.

That is, the above-mentioned prior art is characterized in that the middle plate is fitted between the upper plate and the lower plate by a sliding method so that the upper plate and the lower plate constituting the pallet can be easily assembled by a simple structure. However, Even if pallets are made of a single piece of steel plate, the pallets may be deformed when the heavy cargo is continuously transported, and the rim of the pallet may be sharpened, .

In addition, the conventional steel pallet has been made into a roll structure by applying a lot of curvature to the plate-shaped plate in order to strengthen the supporting force while being made to have a light structure. However, There is a problem that the outer portion of the pallet becomes very vulnerable to damage.

SUMMARY OF THE INVENTION The present invention has been made in order to solve the problems of the prior art as described above, and it is an object of the present invention to provide a pallet having a cross- So that the weight of the pallet can be minimized while the supporting force can be enhanced.

In addition, the present invention makes it possible to achieve a stronger structure by integrating the frames constituting the pallet upper or lower plate by bending and welding, and by rounding all the parts constituting the outer frame, it is possible to prevent the operator from being injured due to edge sharpness The present invention is also directed to a lightweight steel pallet.

In addition, the present invention provides a lightweight pallet for a pallet, wherein an auxiliary frame is provided on an upper part of a top plate to prevent the loaded items from being separated from the pallet, and can be selectively assembled using a flat pallet and a box pallet if necessary There is another purpose in.

It is another object of the present invention to provide a lightweight metal pallet that can be assembled and separated easily with a simple structure, and can be directly used in the field so that the cost of logistics can be greatly reduced.

According to an aspect of the present invention,

And a leg member connected to a lower portion of the upper plate. The upper pallet includes a first outer frame which is closed in a "U" shape, Or one or more supporting members connected to each other in the longitudinal direction.

In this case, the support member is formed of a bending frame connected to the inside of the first outer frame in a staggered manner.

Here, the first outer frame is formed to have a 'C' -shaped cross section that is opened inward, and both end portions of the folding frame are inserted and coupled to the inside of the first outer frame.

Further, the first outer frame has an inner end portion formed with a bent portion bent outwardly.

The upper plate may further include a first support frame connected to the inner center of the first outer frame in the longitudinal direction, and the bending frame may include a first outer frame connected to the first outer frame, 1 and a second bending frame.

In addition, the leg member is formed of a closed frame of 'ㅁ' shape which is vertically coupled to the lower part of the first outer frame.

At this time, a reinforcing member for supporting the leg member is vertically connected to the inside of the leg member.

Further, the upper end and the lower end of the leg member are composed of a single layer, and the middle portion of the leg member is formed of two layers.

In addition, the first outer frame is formed to have a 'C' -shaped cross section having an open bottom, and an upper end of the first outer frame is inserted and coupled to the inside of the first outer frame.

The apparatus further includes a fixing bracket for coupling the first outer frame and the leg member.

And a lower plate connected to a lower portion of the leg member.

In this case, the lower plate may include a second outer frame which is closed in a '?' Shape, and at least one reinforcing frame which is connected to the inner side of the second outer frame in a lateral direction or a longitudinal direction .

In addition, the second outer frame is formed to have a 'C' -shaped cross section having an open top, and a lower end of the leg member is inserted and coupled to the inner side of the second outer frame.

Further, the present invention is further characterized in that an auxiliary frame is provided on the first outer frame to prevent the load from being separated from the first outer frame.

At this time, the auxiliary frame is integrally formed to have a closed shape of 'ㅁ' shape, and is formed to have a 'C' shaped cross section with an open top, and an installation groove is formed in the bottom surface portion.

In addition, a box pallet is detachably installed in the installation groove of the auxiliary frame.

The box-shaped pallet includes rectangular first to fourth plates, the lower ends of which are inserted into and coupled to the inside of the mounting groove, and a connecting frame inserted into the connecting portion between the first to fourth plates. .

The box-shaped pallet may further include a fixed frame coupled to the upper ends of the first to fourth plates and the connection frame, and a second support frame coupled to the upper edge of the fixed frame.

The fixed frame may have a "U" -shaped cross-section, and may have a "U" -shaped cross section.

In addition, the present invention is further characterized in that it further comprises a support plate provided on an upper portion of the first outer frame.

According to the present invention, it is possible to minimize the weight of the pallet by reducing the amount of steel used for manufacturing the pallet by a simple structure, and to make the pallet more powerful structure by the constitution such as the integrated structure and the bent portion, And has an excellent effect of strengthening it.

In addition, according to the present invention, it is possible to prevent rounding of all the parts forming the outer frame to prevent worker's injury and damage to the work space such as floor due to edge sharpness.

In addition, according to the present invention, it is possible to provide an auxiliary frame on the upper part of the upper plate to prevent the loaded goods from being separated from the pallet, and to selectively use the flat pallet and the box pallet, .

Further, according to the present invention, it is possible to easily assemble and separate with a simple structure so that they can be used directly in the field, so that the cost of logistics can be greatly reduced, thereby improving the price competitiveness of the products mounted on the pallet .

1 is a perspective view showing an embodiment of a lightweight steel pallet according to the present invention.
2 is a front view of the present invention shown in Fig.
3 (a) and 3 (b) are a plan view showing the first outer frame of the present invention shown in FIG. 1 and a side sectional view thereof.
Fig. 4 is a plan view of the bending frame of the present invention shown in Fig. 1; Fig.
5 (a) and 5 (b) are a side view and a front view showing the leg members in the present invention shown in Fig. 1;
6 is a perspective view showing a second embodiment of a lightweight steel pallet according to the present invention.
7 is a perspective view showing a third embodiment of the lightweight steel pallet according to the present invention.
8 is a front view of the present invention shown in Fig.
9 (a) and 9 (b) are a perspective view and a partial cross-sectional view showing an auxiliary frame of the present invention shown in Fig. 7;
10 is a perspective view showing a fourth embodiment of a lightweight steel pallet according to the present invention.
11 is a front view of the present invention shown in Fig.
12 is a perspective view showing a fifth embodiment of the lightweight steel pallet according to the present invention.
13 is a perspective view showing a sixth embodiment of the lightweight steel pallet according to the present invention.
14 is a perspective view showing a seventh embodiment of the lightweight steel pallet according to the present invention.

Hereinafter, preferred embodiments of the lightweight steel pallet according to the present invention will be described in detail with reference to the accompanying drawings.

Fig. 1 is a perspective view showing one embodiment of a lightweight steel pallet according to the present invention, Fig. 2 is a front view of the present invention shown in Fig. 1, and Figs. 3 (a) Fig. 4 is a plan view showing a bending frame of the present invention shown in Fig. 1, and Figs. 5 (a) and 5 (b) are a plan view and a side cross sectional view showing the first outer frame, 6 is a perspective view showing a second embodiment of the lightweight steel pallet according to the present invention, FIG. 7 is a perspective view showing a third embodiment of the lightweight steel pallet according to the present invention, and FIG. 8 is a side view and a front view, FIG. 9 is a front view of the present invention shown in FIG. 7, and FIGS. 9 (a) and 9 (b) are a perspective view and a partial cross- 4 is a perspective view showing the embodiment, and Fig. 11 is a cross- 12 is a perspective view showing a fifth embodiment of a lightweight steel pallet according to the present invention, FIG. 13 is a perspective view showing a sixth embodiment of a lightweight steel pallet according to the present invention, FIG. 14 is a perspective view of the present invention Fig. 7 is a perspective view showing a lightweight pallet according to a seventh embodiment of the present invention.

The present invention relates to a lightweight metal pallet (10) capable of enhancing a supporting force while minimizing the weight of a pallet composed of steel frames combined with each other, and selectively assembling the flat pallet and the box pallet As shown in FIG. 1, the structure includes a top plate 100 and a leg member 200.

In more detail, the upper plate 100 supports the load and supports the load. The upper frame 110 includes a first outer frame 110 and a second outer frame 110. The first outer frame 110 and the second outer frame 110 And one or more supporting members 120 'connected to each other in the horizontal or vertical direction.

3 (a) and 3 (b), the first outer frame 110 forms a frame of the upper plate 100, and a frame formed so as to have a ' Bending to form a "ch" shape as a whole, and then the both ends are integrated by welding so that the whole is formed as a closed form.

In other words, in the conventional case, the rim of the upper plate 100 is divided into a plurality of members and a separate structure for joining them is required, or a portion where a plurality of members are overlapped with each other is essentially involved, The edge of the upper plate 100 and the edge of the lower plate 300 to be described later and the other auxiliary frame 400 and the fixed frame 560 are all formed of one So that the overall weight of the pallet 10 can be reduced.

In this case, since the support member 120 'or the bending frame 120 to be described later is inserted into the first outer frame 110, the first outer frame 110 may have a U- Is formed integrally with the inner surface facing toward the inside.

The first outer frame 110 has bent portions 112 bent at the inner side ends of the first outer frame 110, that is, both end portions of the 'U' shape so that the outer and inner portions of the first outer frame 110 are different from each other Thickness.

3 (b), the outer side of the first outer frame 110 is formed as a single ply so as to reduce the overall weight and to reduce the occurrence of injury of the operator due to collision with the pallet 10 The inner side of the first outer frame 110 is formed of two folds by the bent portion 112 so as to improve the structural strength while minimizing the overall weight increase.

At this time, the outer side surfaces of the first outer frame 110 are all rounded to minimize worker injury during operation using the pallet 10.

Next, the support member 120 'is connected to the inner side of the first outer frame 110 in the lateral direction or the vertical direction to support the load. The support member 120' The member 120 'may be connected to the inside of the first outer frame 110 in the horizontal or vertical direction or both in the horizontal direction and the vertical direction.

4, the supporting member 120 'may be provided in the form of a zigzag bending frame 120, which is similar to the first outer frame 110 described above, ) Is formed integrally with the bending frame 120 so that the structural rigidity of the upper plate 100 can be improved.

Here, the bending frame 120 formed at the both ends of the bending frame 120 in the zigzag shape as described above, that is, the bending frame 120 formed in the transverse direction with reference to FIG. 4, has a first outer side having a ' The first outer frame 110 and the bending frame 120 can be coupled to each other without being additionally coupled to each other.

In other words, the first outer frame 110 may be bent in a 'ㅁ' shape and then both ends of the bending frame 120 may be inserted into the first outer frame 110, The bending frame 120 is fixed to the inner side of the first outer frame 110 and is inserted into the inner side of the first outer frame 110 without any additional coupling means, The structural rigidity of the first outer frame 110 can be improved by both ends of the combined bending frame 120.

According to the second embodiment of the lightweight pallet 10 according to the present invention, the upper plate 100 may further include a first support frame 130, As shown in FIG. 6, the first outer frame 110 is connected to the center of the first outer frame 110 in the longitudinal direction.

That is, the first support frame 130 is connected to the first outer frame 110 so as to cross the center of the first outer frame 110 in the longitudinal direction, thereby improving the structural rigidity of the upper plate 100.

At this time, the first support frame 130 may have a 'U' -shaped cross section having bent portions at both ends thereof, like the first outer frame 110.

When the first support frame 130 is installed at the center of the first outer frame 110 as described above, the first and second support frames 130, A first bending frame 120a and a second bending frame 120b which are connected to each other between the first outer frame 110 and the first support frame 130. In this case, The first bending frame 120a and the second bending frame 120b connected to the first support frame 130 reinforce the first support frame 130 and thus the structural rigidity of the upper plate 100 can be further improved.

1, the leg member 200 is connected to a lower portion of the upper plate 100 to support the pallet 10, and the first outer frame 110 of the upper plate 100, And vertically connected to the lower portion.

At this time, there is no limitation on the number of the leg members 200 to be installed. However, in order to stably support the pallet 10 without increasing the overall weight of the pallet 10, It is preferable to provide three leg members 200.

5 (a) and 5 (b), the leg member 200 is formed as a single frame having a straight cross-section when viewed from the front and having a closed "ch" shape when viewed from the side So that it is possible to have a stable supporting force without increasing the overall weight.

One or more reinforcing members 210 may be provided in the vertical direction on the inner side of the leg member 200 in consideration of the weight of the load placed on the upper plate 100.

Like the first outer frame 110 and the first support frame 130, the reinforcing member 210 is formed to have a 'C' -shaped cross section having bent portions at both side ends thereof, So that the supporting force can be strengthened.

5 (b), the upper and lower ends of the leg member 200 are formed as a single layer, and the intermediate portion is formed as a double layer. And the lower plate 300, which will be described later.

In addition, a folded portion 202 bent in the outward direction is formed at the end of the single-ply portion so that the intermediate portion of the leg member 200 is formed in two layers as a whole, thereby improving the structural rigidity and supporting force of the leg member 200 .

Next, a fixing bracket 220 is connected between the first outer frame 110 and the leg member 200. The fixing bracket 220 includes a first outer frame 110 and a leg member 200, It is a role to combine.

2, the fixing bracket 220 is connected to the connecting portion between the first outer frame 110 and the leg member 200, so that the fixing bracket 220 can be fastened by a bolt or the like (not shown) So that the first outer frame 110 and the leg member 200 can be engaged with each other.

According to another embodiment of the lightweight pallet 10 according to the present invention, the opening direction of the first outer frame 110 may be directed downward. In this case, 1 inner frame 110. The inner frame 110 is inserted into the outer frame 110,

That is, the upper end of the leg member 200, that is, the first folded portion, is inserted through the opened portion of the first outer frame 110 having the 'C' shaped cross- So that the connection between the leg member 200 and the first outer frame 110 can be made more firmly.

In this case, the bending frame 120 may be coupled to the first outer frame 110 by welding or other coupling means.

The light pallet 10 according to the present invention may further include a lower plate 300 connected to a lower portion of the leg member 200. The pallet 10 is mounted on the ground So that it can be placed more stably.

At this time, the lower plate 300 also includes a second outer frame 310 having the same shape and structure as the first outer frame 110 of the upper plate 100.

That is, the formed frame is bent so as to have a "C" -shaped cross-section with bent portions at both ends thereof to form a "K" -shaped shape as a whole, and then the two end portions are integrated by welding to form a second outer frame 310), it is possible to construct the lower plate 300 having a strong supporting force without much weight.

At this time, the second outer frame 310 is configured such that the lower end of the leg member 200 made of a single layer can be inserted and coupled through the opened portion by making the opened portion upward.

The lower plate 300 may further include a reinforcing frame 320. The reinforcing frame 320 may be formed in the same manner as the supporting member 120 'of the upper plate 100 described above, 310 in the horizontal direction or the vertical direction to improve the structural rigidity of the lower plate 300.

7, the reinforcing frame 320 is connected to the inner central portion of the second outer frame 310 in a cross shape so as to minimize the overall weight increase of the pallet 10, And can be configured to improve the structural rigidity.

The reinforcement frame 320 may also be configured to have a "C" -shaped cross section in which bent portions (not shown) are formed at both ends to reduce the overall weight of the pallet 10 and improve the structural rigidity Of course it is.

7, the upper part of the upper frame 100, that is, the upper part of the first outer frame 110, is connected to the lower frame 100. In the third embodiment of the lightweight pallet 10 according to the present invention, The auxiliary frame 400 prevents the load from being separated from the upper part of the upper panel 100 while the lightweight pallet 10 according to the present invention is mounted on the box pallet 500) to be able to utilize it.

More specifically, as shown in FIG. 9 (a), the auxiliary frame 400 is formed of a closed 'closed' shape like the first outer frame 110 and the second outer frame 310, And a through hole 410 is formed at each corner of the auxiliary frame 400 so that a plurality of pallets 10 can be connected to each other.

That is, when a plurality of pallets 10 are connected to each other as needed, the connecting pallets 10 can be connected to each other by inserting fastening members through the through holes 410.

The through-hole 410 also serves to fix the box-shaped pallet 500, which will be described later, to the auxiliary frame 400 by the fixing means.

As shown in FIG. 9 (b), the auxiliary frame 400 is formed to have a 'C' -shaped cross section having an opened upper portion, which allows the separation of the load placed on the upper portion of the upper plate 100 Type pallet 500 to be described later.

In other words, the outer surface of the auxiliary frame 400 is formed to be high, thereby preventing the detachment of the load and supporting the box-shaped pallet 500 described later. In the bottom portion of the auxiliary frame 400, Shaped pallet 500 may be inserted into the mounting groove 420. The box-shaped pallet 500 may be inserted into the mounting groove 420, as shown in FIG.

10, the box pallet 500 may be detachably installed on the upper part of the auxiliary frame 400. As described above, the box pallet 500 may be installed on the auxiliary frame 400, And can be fixed by fixing means inserted into the groove 420 and fastened through the through hole 410 of the auxiliary frame 400.

The box-type pallet 500 includes first to fourth plates 510, 520, 530 and 540 and a connection frame 550. The first to fourth plates 510, 520, 530, As shown in Fig.

The rectangular box-shaped pallet 500 is inserted into the installation groove 420 of the auxiliary frame 400 by inserting the first to fourth plates 510, 520, 530, and 540 in the front, back, Thereby forming a side wall.

At this time, the first to fourth plates 510, 520, 530, and 540 may have a concave-convex structure continuing in the left and right direction, thereby facilitating the installation and improving the structural rigidity of the box pallet 500 have.

Also, the first to fourth plates 510, 520, 530, and 540 may be integrally formed, but the first through fourth plates 510, 520, 530, 540 may be formed by combining a plurality of modular plates.

Next, the connection frame 550 is inserted into the connection part between the first to fourth plates 510, 520, 530 and 540 to facilitate coupling between the neighboring plates, and at the same time, And the like.

At this time, the connection frame 550 is inserted into the installation groove 420 formed in the auxiliary frame 400 so that the connection frame 550 is circularly shaped so as to correspond to the corner portion of the round auxiliary frame 400 So that it is possible to prevent the operator from being injured due to the sharpness of the corner portion.

The box-shaped pallet 500 may further include a fixed frame 560 connected to the upper ends of the first to fourth plates 510, 520, 530 and 540 and the connection frame 550. The fixed frame 560, 520, 530, 540 and the connection frame 550 so that the shape of the box-shaped pallet 500 can be maintained.

At this time, the fixed frame 560 is integrally formed by having a closed shape of '?' Shape so as to simplify the overall structure and reduce the weight.

The upper end of the first to fourth plates 510, 520, 530, and 540 and the connection frame 550 may be fixed to the fixed frame 560 through the open portion of the fixed frame 560, And can be inserted into and coupled to the inside of the body 560.

The second support frame 570 may be coupled to the upper edge portion of the fixed frame 560. The second support frame 570 may include first to fourth plates 510, 520, 530, 540 And the connecting frame 550 can be firmly held while supporting the pallet 10 and other loads in an upper portion of the box pallet 500. [

12, a first support frame 130 is additionally provided to the above-described second embodiment, that is, the upper plate 100, and the bending frame 120 is provided between the first and second bending frames 120a And 120b, the auxiliary frame 400 may be connected to the upper portion of the first outer frame 110 of the upper plate 100. As shown in Fig. 13, in the embodiment shown in Fig. 12, It is needless to say that the box pallet 500 may be additionally provided on the upper part of the auxiliary frame 400.

According to another embodiment of the lightweight pallet 10 according to the present invention, as shown in FIG. 14, the upper part of the upper plate 100, that is, the support plate 140 installed on the upper part of the first outer frame 110 The support plate 140 may be made of a material such as steel or non-ferrous metal such as plastic or GI (galvanized steel) or the like, and may be installed on the upper part of the first outer frame 110 Thereby enhancing the supporting force of the upper plate 100 and also allowing the load of small loads to be stacked on the upper plate 100.

Therefore, according to the lightweight steel pallet 10 of the present invention as described above, the weight of the pallet can be minimized by reducing the amount of steel used for manufacturing the pallet by a simple structure, It is possible to strengthen the supporting force by making the pallet more powerful structure and to treat all the parts forming the outer rim roundly to prevent the worker's injury due to the edge of the rim and breakage of the working space such as floor, The auxiliary frame 400 can be installed on the upper part of the upper plate 100 to prevent the loaded products from being separated from each other and to be selectively assembled with the flat plate pallet and the box pallet if necessary, It can be assembled and separated easily, Can greatly reduce the cost, it has many advantages, such as to improve the price competitiveness of products stacked on the pallet accordingly.

Although the preferred embodiments of the present invention have been described for illustrative purposes, those skilled in the art will readily appreciate that many modifications are possible in the exemplary embodiments without materially departing from the novel teachings and advantages of this invention.

10: (iron) pallet 100: top plate
110: first outer frame 112, 202, 430:
120: bending frame 120a: first bending frame
120b: second bending frame 120 ': supporting member
130: first support frame 140: support plate
200: leg member 210: reinforcing member
220: Fixing bracket 300: Lower plate
310: second outer frame 320: reinforcing frame
400: auxiliary frame 410: through-hole
420: installation groove 500: box pallet
510: first plate 520: second plate
530: third plate 540: fourth plate
550: connection frame 560: stationary frame
570: second support frame

Claims

A metal pallet comprising a top plate and a leg member connected to a lower portion of an upper plate,
The upper plate includes a first outer frame which is closed in a '?' Shape, and at least one support member connected to the inner side of the first outer frame in a transverse direction or a longitudinal direction,
And the support member is composed of a bending frame connected to the inner side of the first outer frame in a staggered manner.

delete

The method according to claim 1,
Wherein the first outer frame is formed to have a 'C' -shaped cross section that is opened in an inward direction, and both side ends of the folding frame are inserted and coupled to the inside of the first outer frame.

The method of claim 3,
Wherein a bent portion formed outwardly is formed at an inner end of the first outer frame.

The method according to claim 1,
The upper frame further includes a first support frame connected longitudinally to an inner center portion of the first outer frame, the bending frame including first and second support frames connected between the first outer frame and the first support frame, And a second bending frame.

The method according to claim 1,
Characterized in that the leg members are composed of a closed frame in the form of a " ㅁ " character which is vertically coupled to the lower part of the first outer frame.

The method according to claim 6,
And a reinforcing member for supporting the leg member is vertically connected to the inside of the leg member.

The method according to claim 6,
Wherein an upper end portion and a lower end portion of the leg member are made of a single ply, and an intermediate portion of the leg member is formed of two ply.

6. The method of claim 5,
Wherein the first outer frame is formed to have a 'C' -shaped cross section having an open bottom, and an upper end of the first outer frame is inserted into the first outer frame.

The method according to claim 1,
Further comprising a fixing bracket for coupling the first outer frame and the leg member.

The method according to claim 1,
And a lower plate connected to a lower portion of the leg member.

12. The method of claim 11,
Wherein the lower plate comprises a second outer frame which is closed in a '?' Shape, and at least one reinforcing frame which is connected to the inner side of the second outer frame in a lateral direction or a longitudinal direction. Palette.

13. The method of claim 12,
Wherein the second outer frame is formed to have a 'C' -shaped cross section having an open top, and a lower end portion of the leg member is inserted and coupled to the inner side of the second outer frame.

6. The method according to claim 1 or 5,
Further comprising an auxiliary frame installed on an upper portion of the first outer frame to prevent a load from being separated from the pallet.

15. The method of claim 14,
Wherein the auxiliary frame is integrally formed to have a closed shape of 'ㅁ' shape, and is formed to have a 'C' -shaped cross section having an open top, and a mounting groove is formed in the bottom surface portion. .

16. The method of claim 15,
Wherein a box pallet is detachably installed in an installation groove of the auxiliary frame.

17. The method of claim 16,
Wherein the box-shaped pallet comprises first to fourth rectangular plates, the lower ends thereof of which are inserted into and coupled to the inside of the mounting grooves, and a connection frame inserted and connected to the connecting portions between the first to fourth plates. Lightweight steel pallet.

18. The method of claim 17,
Wherein the box pallet further comprises a fixed frame coupled to the upper ends of the first to fourth plates and the connection frame, and a second support frame coupled to an upper edge of the fixed frame.

19. The method of claim 18,
Wherein the fixed frame is integrally formed to have a closed shape of '?' Shape, and is formed to have a 'C' -shaped cross section having an open bottom.

The method according to claim 1,
And a support plate provided on an upper portion of the first outer frame.