JP2017019508A - Columnar body holding implement - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a columnar body holding implement which can stabilize a columnar body supporting state while suppressing increase in weight and cost.SOLUTION: A roll tray 2 which is used in the case of collective transportation of a plurality of roll bodies 11 placed on a pallet 4, or the like includes a plurality of rows of groove parts 3 for supporting the outer peripheral surfaces of the substantially columnar roll bodies 11. In the roll tray 2, a support width which is a width corresponding to the longitudinal direction of each roll body 11 is narrower than a width in the longitudinal direction of each roll body 11, and one roll body 11 is supported by two roll trays 2. Further, in the roll tray 2, the support width at each end part in a lateral width direction orthogonal to the direction of the support width is wider than the support width at a center part in the lateral width direction.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a column body holder used for transporting a column body such as a film roll.

  Conventionally, when a plurality of column bodies such as a roll body (for example, a film roll) are placed on a pallet and transported together, the column bodies are prevented from falling off from the pallet or contacting the column bodies, and the column bodies are It is known to use a columnar holder that can be stacked (stacked) in multiple stages. The column holder has a plurality of rows of substantially arc-shaped grooves that are substantially fitted to the outer peripheral surface of the column, and the column holder is placed on the pallet so that the grooves are facing upward. A column body is installed for each groove portion of the column body holder (see, for example, Patent Document 1).

  Furthermore, the column body is placed on the upper and lower column body holders by placing the column body holders so that the grooves are fitted to the upper surface side of the plurality of column bodies installed in the column body holders. It is held more securely by being sandwiched. In addition, another column body holder is mounted above the column body holder mounted on the column body, or the groove portion of the column body holder is used as a column body holder mounted on the column body. Columns can be stacked by using what is formed on both the upper surface side and the lower surface side.

Registered Utility Model No. 3016525

  By the way, the column body holder (roll body fixing material) described in Patent Document 1 has a width corresponding to the longitudinal direction (axial direction) of the column body (roll body), that is, in the direction in which the groove portion extends. The width is narrower than the width of the column in the longitudinal direction, and one column is configured to be supported by a plurality of column holders. Therefore, when a plurality of column body holders are installed at a predetermined distance in the longitudinal direction of the column body, the column body holders may be displaced from each other along the longitudinal direction of the column body. Is concerned. In this case, the support balance of the column body by the column body holder deteriorates, and there is a risk of instability in a state in which the column body is supported (for example, a stacked state) and problems such as deformation of the column body.

  In order to solve such problems, it is also possible to increase the number of column holders (for example, install them without gaps) or increase the width of the column holders corresponding to the longitudinal direction of the columns. It is done. However, when such a configuration is adopted, there is a risk of increasing the weight or cost of the column body holder.

  The present invention has been made in order to solve the above-described problems and the like, and its purpose is to stabilize the state in which the column body is supported while suppressing an increase in weight and cost. It is to provide a body holding tool.

  In the following, each means suitable for solving the above-mentioned purpose will be described in terms of items. In addition, the effect etc. peculiar to the means to respond | correspond as needed are added.

Means 1. Used when placing multiple columns on a pallet,
In the column body holder having a plurality of rows of groove portions that support the outer peripheral surface of the column body,
The support width, which is the width corresponding to the longitudinal direction (axial direction) of the column body, is narrower than the longitudinal width of the column body, and is configured to support one column body with a plurality of column body holders,
The columnar holding characterized in that the support widths at both ends in the width direction orthogonal to the support width direction (in plan view) are configured to be wider than the support width at the center portion in the width direction. Ingredients.

  According to the means 1, in the configuration in which one column body is supported by a plurality of column body holders, the support widths of both end portions in the lateral width direction of the column body holder are widened. As a result, even if the column body holders that support the predetermined column body are relatively displaced so that they are close to each other, when the ends of the column body holders are in contact with each other, the column body holders are held further The relative displacement of the tool in the proximity direction is restricted. For this reason, the situation where the space | interval (pitch) between the site | parts (groove part) which is a site | part which supports a column body among several column body holders which support a predetermined | prescribed column body becomes too clogged is avoided. It is possible to maintain a state in which the predetermined column body is supported in a relatively wide range by the plurality of column body holders. Therefore, it is possible to stabilize the state in which the column body is supported by the plurality of column body holders. Furthermore, compared with the case where the support width of the center portion is widened instead of the both ends in the width direction of the column holders, it is possible to stabilize the state in which the column holders are in close contact with each other. it can.

  Further, by reducing the support width of the central portion in the width direction of the columnar holder, it is possible to reduce the weight of the columnar holder, save resources, and the like. Therefore, along with the reduction in weight of column holders (and hence the weight of the entire stacked structure of column bodies including pallets and column holders), It is possible to improve workability and safety, improve workability when attaching / detaching the column holder itself, and reduce costs. It should be noted that each column holder is lighter and smaller than a configuration in which one column body can be supported by only one column holder, so that an operator at the time of attaching and detaching the column holder It is possible to reduce the burden on the metal, reduce the cost of the mold for molding the column holder, improve the convenience when storing only the column holder, and the like.

  Mean 2. The columnar holder according to means 1, wherein both side portions in the support width direction are formed in an arc shape from one end to the other end in the lateral width direction.

  According to the means 2, both sides in the support width direction of the columnar holder are curved relatively smoothly (the support width changes relatively slowly from one end side to the other end side in the width direction). Therefore, it is possible to avoid a situation in which a part where stress is extremely concentrated occurs when the columnar holders come into contact with each other. Therefore, it is possible to avoid a situation in which deformation of the columnar holder is increased, distortion is distorted, damage is caused, and durability can be improved.

  Further, by configuring the columnar holder so as to have a symmetrical shape in plan view, it is possible to make it difficult to make an error in the installation direction. In addition, regarding the both ends in the horizontal width direction of the columnar holder, the portions that can come into contact when the columnar holders are close to each other are configured as contact surfaces that extend along the horizontal width direction. It is good. In this case, when the column body holders come into contact with each other, the relative movement in the direction in which the further column body holders are close to each other is more reliably regulated (avoidance of contact loss and prevention of buckling and the like). )be able to.

Means 3. The support width at both ends in the horizontal width direction corresponds to a length corresponding to 1/2 of the longitudinal corresponding width which is a width corresponding to the longitudinal direction (axial direction) of the column body on the pallet on which the column body holder is placed. And configured as
When two columnar holders are installed side by side with respect to the pallet, the two columnar holders are configured so as to fit on the inner peripheral side with respect to the outer peripheral edge of the pallet (in plan view). The column holder according to the means 1 or 2.

  According to the means 3, the two column body holders are placed on the pallet so as to be aligned with the outer peripheral edge of the pallet, so that both ends in the width direction of the pair of column body holders are close to or in contact with each other. It becomes. As a result, there is no room for the pair of column body holders to be relatively displaced so that the groove portions are brought close to each other, so that it is possible to more reliably prevent the gap between the groove portions of the pair of column body holders from becoming too clogged. Can be prevented. Also, since only two column holders are required for stacking one column, for example, compared to the case where three or more column holders are required, the number of column holder installation operations is reduced, and alignment with the pallet or column is performed. Work can be reduced.

  In addition, when two columnar holders are installed side by side on the pallet, the two columnar holders are located on the inner peripheral side of the outer peripheral edge of the pallet. Then, when only the pallet and the column holder are returned, a part of the column holder stacked on the pallet protrudes from the pallet and the part is easily damaged. Can do.

  In addition, regarding the support width at both ends in the horizontal width direction of the columnar holder, “configured corresponding to half the length corresponding to the length of the pallet” means that the support width corresponds to the length corresponding to the length of the pallet. In addition to the case where the length is ½ of the width of the pallet, the length of the pallet corresponding to the longitudinal length of the pallet is set as a reference dimension, and the length is considered in consideration of the dimensional tolerance. Further, for example, “the horizontal width of the columnar holder may be configured to correspond to a short width corresponding to a direction perpendicular to the long width in the pallet”. In this case, two columnar holders placed side by side with respect to the upper surface of the pallet are just fit, and the workability of positioning the columnar holder relative to the pallet can be improved. In particular, as in the above-described means 1, since the column body holder is configured to have a wide support width at both ends in the width direction instead of the center portion in the width direction, The body holder can be positioned more easily by aligning the corner part of the columnar holder and the corner part of the pallet.

  In addition, it can also embody in the following column body stacking structures using the column body holder of said means 1-3.

Means 4. The columnar holder according to any one of the above means 1 to 3,
A pallet that enables the column holders to be placed side by side;
With respect to the pallet, the pillars installed in the groove portions of the pillar holder are stacked in a plurality of stages while interposing the pillar holders,
In the columnar stacking structure in which the columnar holder is covered above the columnar body located on the uppermost side among the columns stacked in a plurality of stages,
A columnar stacking structure characterized by comprising separation preventing means for preventing relative displacement of the plurality of columnar holders used for stacking one columnar column in a separating direction.

  According to the means 4, it is possible to prevent a situation in which a plurality of column body holders used for stacking the column bodies are relatively displaced in a direction away from each other and the column body holders fall off. . Accordingly, the stacked state of the column bodies can be further stabilized. As the separation preventing means, for example, an engaging portion and an engaged portion provided in the column body holder, or a bundling unit (bundling means for bundling the column body holder and the column body stacked on the pallet together with the pallet ( Shrink film, binding band, etc.).

It is a perspective view of a roll body conveyance unit. It is a front view of a roll body conveyance unit. It is a side view of a roll body conveyance unit. It is a perspective view of a roll tray (bottom / top tray). It is a perspective view which shows the state which mounted a pair of roll tray (bottom / top tray) on the pallet. It is a top view which shows the state which mounted a pair of roll tray (bottom / top tray) on the pallet. It is a perspective view of a roll tray (middle tray). It is a perspective view which shows the process in which a roll body is stacked. It is a perspective view of the roll body conveyance unit at the time of unloading and returning a roll body. It is a perspective view of the roll body conveyance unit of another embodiment. It is a side view of the roll body conveyance unit of another embodiment.

  Hereinafter, an embodiment will be described with reference to the drawings. As shown in FIGS. 1 to 3, the roll body transport unit 1 for transporting a plurality of roll bodies 11 (for example, film rolls) collectively supports the outer peripheral surface of the roll body 11 having a substantially cylindrical shape. A roll tray 2 having a plurality of rows of groove portions 3 and a pallet 4 having a substantially square shape in plan view on which the roll tray 2 can be placed are provided. In this embodiment, the roll body 11 corresponds to a column body, and the roll tray 2 constitutes a column body holder. The roll tray 2 is made of foamed polypropylene, and the pallet 4 is made of non-foamed polypropylene.

  The roll tray 2 of the present embodiment includes a bottom / top tray 6 having grooves 3 formed only on the front and back surfaces, which are surfaces facing upward or downward in the installed state on the pallet 4 or the like, and both surfaces. There is a middle tray 7 in which the groove 3 is formed. The depth of the groove 3 is shallower than the radius of the roll body 11.

  As shown in FIG. 4 and the like, grooves 3 having a circular arc cross section corresponding to the outer peripheral surface of the roll body 11 are formed in parallel in two rows on the surface of the bottom / top tray 6. On the other hand, the bottom surface of the bottom / top tray 6 is a flat surface.

  Also, as shown in FIGS. 5 and 6, two bottom / top trays 6 are installed side by side with respect to the top surface of the pallet 4 so that the two bottom / top trays 6 can be exactly fit on the top surface of the pallet 4. It is configured. More specifically, the basic planar shape of the bottom / top tray 6 is a width corresponding to the longitudinal direction (axial direction) of the roll body 11, that is, a support width that is a width in the direction in which the groove 3 extends. Is approximately ½ of the width of the pallet 4 having a substantially square shape in plan view (width between the opposite side portions of the upper surface), and the width that is perpendicular to the support width in plan view is The width of the pallet 4 is almost the same.

  However, as shown in FIG. 6, in the bottom / top tray 6, the support width W1 at both ends in the width direction is wider than the support width W2 at the center in the width direction (for example, about 1.5 to 2 times). To be configured. More specifically, among both side portions of the bottom / top tray 6 in the support width direction, both ends of the bottom / top tray 6 in the width direction extend perpendicular to the support width direction (in the width direction). It is configured as an abutment surface 9 (extending along). Furthermore, both side portions in the support width direction of the bottom / top tray 6 are formed in an arc shape from one contact surface 9 to the other contact surface 9. In particular, the bottom / top tray 6 of the present embodiment has a point-symmetric shape and a line-symmetric shape in plan view.

  In this embodiment, the width of the pallet 4 is 1500 mm, and the width W1 of the bottom / top tray 6 in the lateral width direction, that is, the support width W1 corresponding to the contact surface 9 is 742.5 mm in consideration of dimensional tolerances. It is said that. Further, the lateral width of the bottom / top tray 6 is 1485 mm corresponding to twice the supporting width W1 at both ends in the lateral width direction of the bottom / top tray 6.

  For this reason, when two bottom / top trays 6 are installed side by side with respect to the upper surface of the pallet 4, both side portions in the lateral width direction of the two bottom / top trays 6 along the outer peripheral edge of the pallet 4, and The abutting surface 9 extends and the two bottom / top trays 6 are configured so that the entirety of the two bottom / top trays 6 is located on the inner peripheral side of the outer peripheral edge of the pallet 4. Further, the contact surfaces 9 of the pair of bottom / top trays 6 are close to or contact each other.

  Further, as shown in FIG. 3 and the like, the width in the longitudinal direction of the roll body 11 of the present embodiment is substantially the same as the width of the pallet 4. Then, by installing the roll body 11 so as to extend over the pair of bottom / top trays 6 with respect to the grooves 3 of the pair of bottom / top trays 6 installed on the pallet 4, the roll body 11 becomes a pair of It is supported by the bottom / top tray 6 (see FIGS. 1 and 8). In the present embodiment, since the groove portions 3 are formed in two rows in each bottom / top tray 6, a pair of roll bodies 11 are disposed above the pair of bottom / top trays 6. It is designed to be installed in a crossing manner.

  Note that the pallet 4 of the present embodiment has a square shape in plan view, and is a four-way insertion type pallet that allows a fork to be inserted from four directions. Therefore, a pair of bottom / top trays placed on the pallet 4 Even if the orientation of 6 is rotated 90 degrees, the stacked structure of the roll bodies 11 using the roll tray 2 is configured so that there is no difference. For this reason, in this embodiment, the width | variety between the side parts which the upper surface opposes among the pallets 4 can become a longitudinal corresponding width | variety which is a width | variety corresponding to the longitudinal direction (axial direction) of the roll body 11. ing.

  Further, as shown in FIG. 2, the pair of groove portions 3 of the bottom / top tray 6 has both ends in the width direction of the bottom / top tray 6 when the roll body 11 is installed in each groove portion 3. The bottom / top tray 6 is formed at a position spaced from the both ends in the width direction of the bottom / top tray 6 toward the center of the width direction so as to fit in the center of the width direction. In addition, the pair of groove portions 3 of the bottom / top tray 6 are formed apart from each other so that the roll bodies 11 do not come into contact with each other when the roll bodies 11 are installed in the respective groove portions 3. In addition, the thickness (height) of the site | part in which the groove part 3 is not formed among the bottom / top trays 6 is constant.

  In the present embodiment, when the roll bodies 11 are stacked (stacked) in two or more stages, the middle tray 7 is used together with the bottom / top tray 6. As shown in FIG. 7, the shape (planar shape) and size of the surface of the middle tray 7 are the same as the shape and size of the surface of the bottom / top tray 6. Further, with respect to the middle tray 7, the grooves 3 are provided in two rows so as to be vertically symmetrical (plane symmetrical shape) with the front surface side also on the back surface side. The thickness of the thinnest portion (height) of the middle tray 7 is configured to be substantially the same as the thickness of the thinnest portion of the bottom / top tray 6. Of these, the thickness of the portion where the groove portion 3 is not formed is configured to be thicker than the thickness of the portion of the bottom / top tray 6 where the groove portion 3 is not formed.

  When the roll bodies 11 are stacked, a pair of roll bodies 11 installed on a pair of bottom / top trays 6 placed on the pallet 4 as shown in FIGS. On the other hand, a pair of middle trays 7 is placed. At this time, by inserting the upper portions of the pair of roll bodies 11 into the pair of groove portions 3 formed on the back surface of each middle tray 7, a pair of the roll bodies 11 in a direction perpendicular to the longitudinal direction is inserted. The relative displacement of the middle tray 7 with respect to the roll body 11 is prevented. Furthermore, the second-stage roll body 11 is stacked by installing the pair of roll bodies 11 in the grooves 3 formed on the surface (upper surface) of the pair of middle trays 7 placed on the roll body 11. It is like that.

  Moreover, as shown in FIGS. 1 and 2, the surface on which the groove portion 3 is formed is downward above the uppermost pair of roll bodies 11 among the roll bodies 11 stacked via the roll tray 2. The bottom / top tray 6 having the posture described above is installed. Thereby, the roll body 11 of each step is held in such a manner that it is sandwiched between the pair of upper and lower roll trays 2. The roll body transport unit 1 of this embodiment uses one pallet 4, four bottom / top trays 6, and four middle trays 7 as a set, and stacks the roll bodies 11 in three stages. Thus, a total of six roll bodies 11 are transported together.

  Further, in the present embodiment, a shrink film (not shown) is attached as separation preventing means (binding means) for binding the roll tray 2 and the roll body 11 stacked on the pallet 4 together with the pallet 4. . As described above, the roll body transport unit 1 holds the six roll bodies 11 together, and is transported in a state in which the pallet 4, the roll tray 2, and the roll body 11 are bound by the shrink film. The Rukoto.

  In addition, when the pallet 4 and the roll tray 2 are returned after the roll body 11 is delivered, the roll trays 2 are directly stacked on the pallet 4 as shown in FIG. The Rukoto. As described above, since the planar shape of the bottom / top tray 6 and the planar shape of the middle tray 7 are the same, when the bottom / top tray 6 and the middle tray 7 are stacked, the bottoms adjacent to each other vertically / The outer peripheral surface of the top tray 6 and the outer peripheral surface of the middle tray 7 can be neatly aligned, and all the bottom / top tray 6 and the middle tray 7 can be accommodated on the inner peripheral side from the outer peripheral edge of the pallet 4. It can be done. In FIG. 9, the pallet 4 and the roll tray 2 are collected in units of the roll body transport unit 1, and two sets are stacked.

  As described above in detail, according to the present embodiment, in the configuration in which one roll body 11 is supported by the pair of roll trays 2, the support width W <b> 1 at both ends in the lateral width direction of the roll tray 2 is the lateral width direction. It is comprised so that it may become wider than the support width W2 of a center part. As a result, even if the roll trays 2 that support the predetermined roll body 11 are relatively displaced so as to be close to each other, when both end portions in the widthwise direction of the roll tray 2 come into contact with each other, the roll trays 2 of the roll trays 2 and more Relative displacement in the proximity direction is restricted.

  For this reason, the situation where the space | interval (pitch) between the site | parts (groove part 3) which supports the roll body 11 among a pair of roll trays 2 which support the predetermined roll body 11 will be clogged too much is avoided. The predetermined roll body 11 can be maintained in a relatively wide range by the pair of roll trays 2. Therefore, it is possible to stabilize the state in which the roll bodies 11 are supported by the pair of roll trays 2, that is, the stacked state of the roll bodies 11. Furthermore, compared with the case where the support width W2 of the center portion is widened rather than the both ends in the width direction of the roll tray 2, it is possible to stabilize the state in which the roll trays 2 are in close contact with each other. .

  Further, by reducing the support width W2 at the center in the width direction of the roll tray 2, it is possible to reduce the weight of the roll tray 2 and save resources. Accordingly, with the weight reduction of the entire roll body transport unit 1 including the roll tray 2 and eventually the pallet 4 and the roll tray 2, workability when the roll body 11 is transported using the roll tray 2 It is possible to improve safety, improve workability when attaching / detaching the roll tray 2 itself, and reduce costs. Since each roll tray 2 is lighter and smaller than a configuration in which one roll body 11 can be supported by only one roll tray, the burden on the operator when the roll tray 2 is attached and detached is reduced. It is possible to reduce the cost of the mold for forming the roll tray 2 and to improve the convenience when storing only the roll tray 2 together.

  Further, both side portions in the support width direction of the roll tray 2 are formed in an arc shape from one abutment surface 9 formed on both ends in the lateral width direction of the roll tray 2 to the other abutment surface 9. In this way, both side portions in the support width direction of the roll tray 2 are curved relatively smoothly (the support width changes relatively gently from one end side to the other end side in the width direction). Therefore, it is possible to avoid a situation in which a portion where stress is extremely concentrated occurs when the roll trays 2 come into contact with each other. Therefore, it is possible to avoid the situation that the deformation of the roll tray 2 is increased, the deformation is distorted, the damage is generated, and the durability can be improved. Further, by configuring the roll tray 2 so as to have a symmetrical shape in plan view, it is possible to make it difficult to make a mistake in the installation direction.

  In addition, among the side portions in the support width direction of the roll tray 2, both ends in the width direction of the roll tray 2, and portions that can come into contact when the roll trays 2 are close to each other are in the width direction of the roll tray 2. It is constituted as a contact surface 9 extending along. For this reason, when the roll trays 2 are in contact with each other, the relative movement in the direction in which the further roll trays 2 are close to each other is more reliably regulated (avoidance of contact loss and prevention of buckling and the like). Can do.

  In the present embodiment, the support width W1 at both ends in the lateral width direction of the roll tray 2 is configured to correspond to (half shorter) the width of the pallet 4 having a square shape in plan view. The lateral width of 2 is configured corresponding to the width of the pallet 4 (slightly shorter). Then, by placing the two roll trays 2 side by side along the outer peripheral edge of the pallet 4 with respect to the pallet 4, the pair of roll trays 2 just fits on the upper surface of the pallet 4 and the pair of rolls The contact surfaces 9 formed at both ends of the tray 2 in the width direction are close to or in contact with each other.

  As a result, there is no room for the pair of roll trays 2 to be displaced relative to each other so that the groove portions 3 are brought close to each other. Can be prevented. Furthermore, the workability of positioning the roll tray 2 with respect to the pallet 4 can be improved. In particular, since the roll tray 2 is configured to have a wide support width W1 at both ends in the width direction instead of the central portion in the width direction, when the roll tray 2 is placed on the pallet 4, positioning of the roll tray 2 is performed. This can be performed more easily by matching the corner portion of the roll tray 2 with the corner portion of the pallet 4.

  Further, since only two roll trays 2 are required for stacking the roll bodies 11 in one stage, for example, compared to the case where three or more roll trays are required, the number of installation operations of the roll tray 2 is reduced, and the position relative to the pallet 4 or the roll body 11 It is possible to reduce the alignment work. In addition, since a certain amount of support width is secured for the portion of the roll tray 2 in which the groove 3 is formed, a pair of rolls placed on the pair of roll bodies 11 stacked in stages. Combined with the fact that both ends in the width direction of the tray 2 are close to or in contact with each other, the tilt displacement (falling) of the roll tray 2 placed on the roll body 11 can be more reliably prevented.

  Furthermore, when the two roll trays 2 are installed side by side with respect to the pallet 4, the two roll trays 2 are accommodated on the inner peripheral side with respect to the outer peripheral edge of the pallet 4. When the pallet 4 and the roll tray 2 are returned, a part of the roll tray 2 stacked on the pallet 4 protrudes from the pallet 4 and the part is easily damaged. Can be prevented.

  In this embodiment, the roll tray 2 stacked on the pallet 4 and the shrink film for binding the roll body 11 together with the pallet 4 are attached. For this reason, it is possible to prevent a situation in which the pair of roll trays 2 used for stacking the roll bodies 11 are relatively displaced in a direction in which they are separated from each other and the roll tray 2 falls off. Therefore, the stacked state of the roll bodies 11 can be further stabilized.

  In addition, it is not limited to the description content of the said embodiment, For example, you may implement as follows. Of course, other application examples and modification examples not illustrated below are also possible.

  (A) In the said embodiment, it does not specifically limit about the shape of the roll tray 2, The support width of the width direction both ends should just be comprised wider than the support width of the width direction center part. For example, in the said embodiment, although both the side parts in the support width direction are curvedly formed, it is good also as one side and between the contact surfaces 9 among the side parts of the support width direction of the roll tray 2. It is good also as comprising a site | part not in circular arc shape but in U shape (as for the planar shape of the roll tray 2 whole, substantially I shape or substantially U shape). However, in order to suppress the concentration of stress when the pair of roll trays 2 come into contact with each other, it is desirable to configure so that a step difference is not formed as much as possible at the side portion in the support width direction of the roll tray 2.

  Furthermore, in the above embodiment, the width of the roll tray 2 is slightly shorter than the width of the pallet 4, and the support width W <b> 1 of the portion including both ends in the width direction of the roll tray 2 is ½ of the width of the pallet 4. Although it is configured to be slightly shorter than this length, it is not particularly limited to such dimensions. For example, the support width W1 of the pallet 4 may be configured to be slightly shorter than １ ／ of the width of the pallet 4, and three roll trays 2 may be mounted on the pallet 4. Good. In order to improve the installation workability of the roll tray 2 with respect to the pallet 4 or to prevent the roll tray 2 placed on the pallet 4 from protruding outward from the outer peripheral edge of the pallet 4, It is desirable that the specified number of roll trays 2 be placed exactly on the upper surface of the pallet 4 by placing the specified number on the pallet 4.

  Moreover, in the said embodiment, although the roll body 11 is piled up by 3 steps | paragraphs and it is comprised so that it may be conveyed etc., the number of the groove parts 3 of the roll tray 2 is increased, for example, and it piles up in each step | level. The number of the roll bodies 11 may be three or more, the roll bodies 11 may be transported by stacking four or more stages, or the roll bodies 11 may be transported by only one stage.

  (B) In the said embodiment, it is comprised so that the roll tray 2 stacked | stacked on the pallet 4 and the roll body 11 may be bundled with the pallet 4 using a shrink film as a separation prevention means (bundling means). However, the pallet 4, the roll tray 2, and the roll body 11 are bound using, for example, a binding band (for example, the binding band is applied to the upper surface side along the longitudinal direction of the uppermost roll tray 2. , The lower surface side of the pallet 4 may be turned and bound).

  In the above-described embodiment, the roll body 11 installed on the roll tray 2 is configured so as to fit inside the both ends in the width direction of the roll tray 2. It is possible to prevent the band from coming into direct contact with the roll body 11. Furthermore, in the case of using a shrink film, since the shrink film is caught with respect to the vicinity of both ends in the lateral width direction of the roll tray 2 among the side surfaces in the support width direction of the roll trays 2 holding the roll bodies 11 of the respective stages, Relative displacement of the pair of roll trays 2 supporting each roll body 11 in the direction away from each other can be more reliably prevented by the shrink film. In addition, since the pair of roll trays 2 that support the predetermined roll body 11 come into contact with each other at both ends in the width direction, the compressive force of the shrink film is the roll tray of the side surfaces in the support width direction of each roll tray 2. Even when acting in the vicinity of both end portions in the width direction of 2, deformation, rotational displacement, and the like of the roll tray 2 can be more reliably suppressed.

  Moreover, in the said embodiment, while providing a fitting convex part in one of a pair of contact surfaces 9 of the roll tray 2, a fitting recessed part is provided in the other contact surface 9, and the predetermined roll body 11 is supported. When installing a pair of roll tray 2, you may comprise so that the fitting convex part and fitting recessed part of a pair of roll tray 2 may be fitted. In this case, since the pair of roll trays 2 are integrated, the roll tray 2 becomes more difficult to shift and move. Moreover, when employ | adopting the said structure, a fitting convex part and a fitting recessed part comprise a separation prevention means. The separation preventing means may be used in appropriate combination.

  (C) In the above-described embodiment, the width of the roll body 11 in the longitudinal direction is the same as the width of the pallet 4 and is almost the same as twice the support width W1 of the portion including both ends of the roll tray 2 in the lateral width direction. However, as shown in FIGS. 10 and 11, the width of the roll body 11 in the longitudinal direction may be larger than the width of the pallet 4. Furthermore, you may comprise the width | variety of the longitudinal direction of the roll body 11 smaller than the width | variety of the pallet 4. FIG.

  Further, in the above embodiment, a columnar holder that can support a plurality of columnar bodies is used, and the plurality of columnar bodies are mounted on a pallet and transported in a collective manner, with a roll tray 2 interposed therebetween, and a substantially cylindrical shape. However, it is also possible to embody a structure in which differently shaped column bodies are transported together. The column body to be transported may be, for example, a prismatic roll body, or may be a cylindrical body such as a pipe, a cylindrical container, or a solid rod-shaped body instead of a roll body. . Furthermore, the diameter of the column does not have to be constant over the entire length, and for example, the pair of column holders may be configured to support portions of the column with the same diameter. In addition, the design of the cross-sectional shape of the groove portion of the columnar holder is appropriately changed according to the outer peripheral shape of the columnar body (for example, a U-shaped cross section, a V-shaped cross section, etc.).

  (D) In the embodiment described above, the pallet 4 has a square shape in plan view, but may be, for example, a substantially rectangular shape. Although not particularly mentioned in the above embodiment, a slip stopper that suppresses the shift movement of the roll tray 2 (for example, increases the frictional resistance) may be provided on the upper surface side of the pallet 4. Furthermore, for example, it is good also as providing the protrusion part for the slip prevention which protrudes upwards from the upper surface (for example, outer periphery) of the pallet 4. FIG.

  (E) In the above embodiment, the roll tray 2 is made of foamed polypropylene, but is made of other olefin resin foams such as foamed polyethylene, non-foamed polypropylene, polyethylene, PET, polyamide, or the like. It is good.

  DESCRIPTION OF SYMBOLS 1 ... Roll body conveyance unit, 2 ... Roll tray, 3 ... Groove part, 4 ... Pallet, 6 ... Bottom / top tray, 7 ... Middle tray, 9 ... Contact surface, 11 ... Roll body.

Claims (3)

Used when placing multiple columns on a pallet,
In the column body holder having a plurality of rows of groove portions that support the outer peripheral surface of the column body,
The support width, which is a width corresponding to the longitudinal direction of the column body, is narrower than the width in the longitudinal direction of the column body, and is configured to support one column body with a plurality of column body holders,
The columnar holder, wherein the support width at both ends in the width direction orthogonal to the support width direction is configured to be wider than the support width at the center in the width direction.   2. The columnar holder according to claim 1, wherein both side portions in the support width direction are formed in an arc shape from one end to the other end in the lateral width direction. The support width at both ends in the horizontal width direction is configured to correspond to a length corresponding to a half of a longitudinal corresponding width that is a width corresponding to the longitudinal direction of the column body in the pallet on which the column body holder is placed. And
2. The structure according to claim 1, wherein, when two columnar holders are installed side by side with respect to the pallet, the two columnar holders are configured to be located on the inner peripheral side with respect to the outer peripheral edge of the pallet. 2. The columnar holder according to 2.

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