JP5680439B2 - Glass plate transportation pallet - Google Patents

Description

  The present invention relates to a glass plate transportation pallet for transportation of large glass plates such as architectural glass plates.

  Sheet glass used as window glass and wall panels is cut into a size required in a factory, loaded on a pallet and transported to a construction site. There are various sizes of plate glass to be transported, and it is uneconomical to have various pallets according to the various size glass plates, so there is one kind for different size glass plates Means to deal with this pallet have been proposed so far.

  For example, in Japanese Patent Laid-Open No. 6-183477, there are slide members that can be expanded left and right at both left and right ends of a pallet body, and the slide members are connected to each other so that they can be expanded and contracted simultaneously. In addition, there has been proposed a glass plate transport pallet that adjusts the width of the glass plate transport pallet by expanding and contracting the left and right slide members in accordance with the size of the glass plate to be transported (Patent Document 1).

JP-A-6-183477

  In the invention described in Patent Document 1, a slide shaft coupled to each of the left and right slide members meshes with a gear installed at the center of the pallet main body from the left and right in order to cause the slide members to expand and contract simultaneously. Therefore, when used repeatedly for a long period of time, it is difficult to guarantee a smooth expansion and contraction operation for a long period of time, such as the slide shafts on the left and right cannot mesh well with the gears and the slide member will not move. there were.

  In view of this problem, the present invention relates to a glass plate transport pallet including a slide member that can be expanded to the left and right, and expands and contracts the slide members provided on the left and right according to the size of the glass plate to be transported by the pallet. To provide a glass plate transportation pallet capable of operating the slide member smoothly for a long period of time by adjusting a mechanism for expanding and contracting the slide member when adjusting the width of the pallet. It is an object.

  That is, the present invention includes a back frame provided with a back support that supports a glass plate from the back surface, a gantry on which the back frame is placed, and a pair of slide members that are disposed at the left and right ends of the back frame and that are extendable to the left and right. In the glass plate transportation pallet, the back frame is provided with at least one slide guide, and the slide guide is made of a long rigid member, and its longitudinal direction is the left-right direction of the back frame. The slide guide wheels are pivotally attached to at least one of the left and right ends of the rail, and each of the pair of slide members includes a slide member back support and at least one slide shaft. The slide member back support is a plate-like member disposed so that the surface thereof is flush with the surface of the back support provided in the back frame, and the slide shaft is Is a rigid frame material with one end joined to the side surface of the back of the slide member, and a slide shaft wheel is attached to the other end, and the slide shaft is respectively connected to the left and right ends of the slide guide. When inserted, the slide shaft is positioned below the rail, the slide shaft wheel abuts on the rail from below the rail, and the slide guide wheel is from below the slide shaft. A pallet for transporting a glass plate, wherein the pallet is in contact with the slide shaft.

  Alternatively, the present invention is the above-described glass plate transport pallet, wherein a pair of slide guide wheels are pivotally attached to the left and right ends of the rail.

  Alternatively, in the present invention, the slide guide may be a frame material having a rectangular cross section and an open lower side, and the rail may be an inner upper side of the frame material having the rectangular shape and an open lower side. It is the above-mentioned pallet for glass plate transportation characterized.

  Alternatively, the present invention is the glass plate transportation pallet described above, wherein a contact surface of the rail with the slide shaft wheel is orthogonal to a surface of the back support of the back frame. .

  Alternatively, the present invention is the above-described glass plate transportation pallet characterized in that the length of the rail is the same as the lateral width of the back frame.

  Alternatively, the present invention is the glass plate transport pallet described above, wherein a slide member support wheel is installed at a lower end of the slide member back support.

  According to the present invention, when the slide shaft of the slide member is expanded and contracted along the rail of the slide guide in accordance with the size of the glass plate loaded on the glass plate transportation pallet, the slide shaft is The slide shaft wheel provided at the tip of the slide shaft abuts from below the rail, and the slide guide wheel disposed at the end of the slide guide is positioned below the rail. Since the slide member is configured to abut against the slide shaft from below the slide shaft, the slide shaft is prevented from being caught by the slide guide while the slide member backrest is inclined downward by its own weight. Smooth operation of the shaft can be ensured.

  Further, the present invention has no place where the gears mesh with each other, and the sliding member is expanded and contracted by a smooth operation by the wheel provided on the slide guide and the slide shaft. It is possible to prevent the slide member from being extended or contracted due to chipping or the like, and to ensure a long-term smooth expansion and contraction operation of the slide member.

The perspective view of the whole pallet for glass plate transportation concerning the embodiment of the present invention. The perspective view of the slide member of the pallet for glass plate transport concerning embodiment of this invention. The enlarged view which showed the slide guide edge part of the pallet for glass plate transportation concerning embodiment of this invention, and the slide shaft wheel of the slide shaft end part in a slide member. In the glass plate transportation pallet according to the embodiment of the present invention, when the slide shaft of the slide member is inserted into the slide guide, the positional relationship between the slide guide rail, the slide shaft wheel, the slide shaft, and the slide guide wheel is shown. The left-right direction sectional drawing of a slide guide. The perspective view when a mode is shown when the slide member on either side is closed in the whole pallet for glass plate transport concerning the embodiment of this invention shown in FIG. The perspective view which showed the mode when the front frame was attached to the pallet for glass plate transport concerning embodiment of this invention. The perspective view which showed the mode when a front frame was attached to the pallet for glass plate transport concerning embodiment of this invention, and also the whole pallet was mounted in the trolley | bogie.

<Overall structure of pallet>
The pallet 1 for transporting a glass plate according to the present invention includes a back frame 10 shown in FIG. 1, a mount 20, a slide guide 30, and a pair of slide members 50 installed on the left and right sides of the back frame 10. Yes.

  The back frame 10 includes a back support 12 and a glass plate support 16 for supporting a glass plate to be transported, a back frame support 14 for supporting the back support 12, a back frame upper frame 11, a back frame middle frame 17, and a back support. The upper frame 13 and the back support frame 15 are configured.

  A plurality of back frame columns 14 are provided, and each back frame column 14 is erected vertically from the rear edge of the gantry 20. A back frame upper frame 11 extending in the left-right direction of the pallet is connected to an upper end portion of the back frame column 14, and a back extending in the left-right direction of the pallet is connected to a middle portion of the back frame column 14. A frame frame 17 is connected to stabilize the back frame column 14. A plurality of back support frames 13 for connecting back supports 12 are connected to the back frame upper frame 11 at a predetermined interval.

  Each backrest 12 has an upper end connected to the backrest upper frame 13, and a lower end connected to the gantry 20, and is inclined obliquely rearward so that the glass plate can be inclined and supported. The glass plate is placed on the same plane so that the back plate 12 can stably support the glass plate. A plurality of back support frames 15 for supporting each back support 12 are connected between the back frame column 14 and the back support 12 at each back support 12. A glass plate receiver 16 is installed at the lower end of the back support 12, and is installed so as to rise upward from the lower end of the back support 12 to the front edge of the gantry 20. The placed glass plate is prevented from sliding off the pallet 1.

  The pedestal 20 includes a plurality of pedestal horizontal frames 21 extending in the right and left directions, a plurality of pedestal connecting frames 22 that are orthogonal to the pedestal horizontal frames 21 and connected to the respective pedestal horizontal frames 21, and pedestal legs 23 that support the pallet. Further, a fork receiver 25 is provided below the gantry horizontal frame 21 for facilitating positioning for inserting the fork of the forklift when the pallet 1 is lifted by the forklift.

<Structure of slide member>
At least one slide guide 30 needs to be provided, and is installed on the back surface of the back support 12. The slide guide 30 is a frame material having a rectangular cross-sectional shape and an open lower side, and is installed such that its longitudinal direction is the left-right direction of the back frame 10. The inner upper side of the frame material that is the slide guide 30 is used as the rail 31. Further, as shown in FIG. 3, at both ends of the slide guide 30, a pair of plate pieces to be the slide guide wheel receivers 33 are arranged side by side so as to face the left and right in the longitudinal direction of the slide guide 30. The rotation axis of the slide guide wheel 32 is axially attached so as to be orthogonal to the plate piece. If one slide guide 30 is provided, the slide member 50 can be sufficiently supported. However, by arranging two or more slide guides 30 in parallel, the support of the slide member 50 can be more stabilized. it can.

  As shown in FIG. 1, the slide member 50 is installed on the left and right sides of the back frame 10. As shown in FIG. 2, the slide member 50 has a slide member back 51 for supporting a glass plate to be transported, a slide shaft 52, a slide shaft wheel receiver 56 and a slide shaft wheel installed at the tip of the slide shaft 52. A slide shaft wheel 55 that is pivotally attached to the support 56 is provided.

  The same number of slide shafts 52 as the slide guides 30 are provided, and are arranged in parallel at a distance equal to that of the slide guides 30, and one end of each is joined to the slide member back support 51.

  The positional relationship among the rail 31, the slide shaft 52, the slide shaft wheel 55, and the slide guide wheel 32 when the slide shaft 52 is inserted into the slide guide 30 is as shown in FIG. The slide shaft 52 is inserted into the slide guide 30 so as to be sandwiched between the rail 31 and the slide guide wheel 32. The slide shaft wheel 55 is in contact with the rail 31 from below, and the slide guide wheel 32 is The slide shaft 52 abuts from below. With such a positional relationship, the slide shaft wheel 55 that tries to move upward by the force of the slide member back 51 to move downward by its own weight is pressed against the rail 31, and the end of the slide guide 30. The slide shaft 52 which is going to be lowered downward at the portion is pressed against the slide guide wheel 32, and the longitudinal direction of the slide guide 30 can be smoothly performed without hooking the slide shaft 52 at the end of the rail 31 of the slide guide 30. Can be operated. In addition, the slide member back support 51 can be stably supported by setting the slide shaft 52 to be sandwiched between the rail 31 and the slide guide wheel 32 at an appropriate interval.

  The longer the slide guide 30 is, the more stably it can support the slide member 51. However, when the length of the slide guide 30 is set to be equal to the width of the back frame 10 in the left-right direction, the pallet 1 It is possible to expand and contract the width of the frame from the width of the back frame itself to the maximum extent. In the pallet 1 as shown in FIG. 5, since the slide shafts 52 are inserted into the respective slide guides 30 provided in the pallet 1 from the left and right, the width of the pallet 1 is determined from the width of the back frame 10 itself. The back frame 10 can be extended to about twice the width.

  Furthermore, if one slide guide is not shared by the slide shafts 52 of the left and right slide members 50 as in the pallet 1 of FIG. It is possible to extend the width of the frame up to about three times the back frame 10 at the maximum.

  The slide member back support 51 is installed on the left and right sides of the back frame 10 so that the surface of the slide member back support 51 and the surface of the back support 12 are flush with each other. Thus, when installing both the back supports 12 so that it may become the same plane, it shall be provided with two or more slide guides 30, and the contact surface with the slide shaft wheel 55 of the rail 31 is the surface of the back support 12. At the same time, the same number of slide shafts 52 as the slide guides 30 are parallel to the surface of the slide member back support 51 so that the distance in the direction along the back support 12 of the slide guide 30 is the same. In addition, it is preferable to bond them at an appropriate distance from the surface. By doing so, when the slide shafts 52 are inserted into the respective slide guides 30, the surface of the slide member back support 51 is flush with the surface of the back support 12.

  Further, as shown in FIG. 6, when the slide member 50 is extended or stored for a long time, the slide member support wheel 54 provided at the lower end of the slide member back support 51 is grounded. As a result, the load applied to the slide shaft wheel 55 and the slide guide wheel 32 due to the weight of the slide member back 51 can be reduced, so that an effect of preventing breakage of each wheel can be obtained.

  A band hook 53 is provided on the side of the slide member back 51 to facilitate fixing the glass plate to the pallet 1 with the band when the glass plate is loaded on the pallet 1.

<Use front frame>
When the glass plate is loaded on the pallet 1 according to the embodiment of the present invention, the front frame 40 is installed on the gantry as shown in FIG. 6 so as to cover the front portion of the loaded glass plate. Protect the front of the.

  When the pallet 1 is loaded and transported, the front frame 40 is connected as shown in FIG. 6, but hooks 60 are installed at both upper ends of the back frame 10 and side edges of the front edge of each front frame. This makes it easy to load and unload the pallet 1 using a crane. Moreover, the pallet 1 can be mounted on the carriage 70 as shown in FIG. 7, and for example, it can be easily moved in a glass loading area.

<Operation of slide member>
Then, the expansion-contraction operation | movement of the slide member of the pallet 1 for glass plate transport concerning embodiment of this invention is demonstrated using FIG.

  FIG. 4 is a cross-sectional view in the left-right direction of the slide guide 30 when the slide shaft 52 is inserted into the slide guide 30. An inner surface on the upper side of the frame material having a rectangular cross-sectional shape that constitutes the slide guide 30 and whose lower side is open is used as the rail 31, and the slide shaft wheel 55 is brought into contact with the rail 31 from below the rail 31. The slide guide wheel 32 is brought into contact with the slide shaft 52 from below.

  With such a positional relationship, the slide shaft wheel 55 that tries to move upward by the force of the slide member back 51 to move downward by its own weight is pressed against the rail 31, and the end of the slide guide 30. The slide shaft 52 which is going to be lowered downward at the portion is pressed against the slide guide wheel 32, and the slide member 50 is smoothly expanded and contracted without being caught on the rail 31 or the end portion of the slide guide 30. Can be made. Further, since the slide shaft wheel 55 and the slide shaft 52 are pressed against the rail 31 and the slide guide wheel 32 by the weight of the slide member back 51, respectively, the slide shaft wheel 55 and the slide guide wheel 32 are removed. The possibility can be reduced.

  Then, in order to expand and contract the slide member 50 and fix it at a desired position, through-holes (not shown) are installed in the expansion / contraction direction at regular intervals in the rail 31 of the slide guide 30, and the slide shaft 52 also has the rail 31. Through holes (not shown) are provided at the same interval as the through holes provided in the rail 31 on the surface opposed to. When the slide member 50 is fixed at a certain position, the slide shaft 52 is passed through bolts at a plurality of positions so that the vertical positions of the through hole installed in the rail 31 and the through hole installed in the slide shaft 52 match. Do not move.

  As described above, the slide member 50 can adjust the expansion / contraction width only by the interval between the through holes. However, if the through holes are installed at intervals of several tens mm, there is no practical problem.

  Also, the lower part of the slide guide 30 is open. By doing so, foreign matter such as dust, dust and stones entering the slide guide 30 is not accumulated, and the slide guide 30 is always kept clean. Therefore, it is possible to prevent the dust from being accumulated on the slide shaft wheel 55 and the slide guide wheel 32 to be difficult to rotate, or foreign matter from being caught and not moving.

  Although the preferred embodiment has been described above, the present invention is not limited to this, and various applications can be considered.

DESCRIPTION OF SYMBOLS 1 Pallet 10 Back frame 11 Back frame upper frame 12 Back support 13 Back support upper frame 14 Back frame support 15 Back support frame 16 Glass plate support 17 Back frame middle frame 20 Base 21 Base horizontal frame 22 Base connecting frame 23 Base leg 24 Bottom plate 25 Fork receiver 30 Slide guide 31 Rail 32 Slide guide wheel 33 Slide guide wheel receiver 40 Front frame 41 Front frame support 42 Front frame upper frame 43 Front frame horizontal frame 50 Slide member 51 Slide member back support 52 Slide shaft 53 Banding 54 Slide member support wheel 55 Slide shaft wheel 56 Slide shaft wheel receiver 60 Hook 70 Bogie

Claims (3)

A back frame having a back support that supports the glass plate from the back, a gantry on which the back frame is placed, and a pair of left and right ends that are disposed on the left and right ends of the back frame and that can be extended to the left and right to adjust the width of the pallet In a pallet for transporting a glass plate provided with a slide member,
The back frame includes at least one slide guide,
Wherein the slide guide is made of a rigid elongated member, the longitudinal direction of Ri lateral direction der of the back frame, consists frame member cross section the lower side in a rectangular shape is opened, the inner upper side of the frame member Is used as a rail,
One slide guide wheel is pivotally attached to both ends of the slide guide,
Each of the pair of slide members includes a slide member back support and at least one slide shaft,
The slide member backrest is a plate-like member installed such that the surface thereof is flush with the surface of the backrest provided in the back frame,
The frame includes a plurality of frame horizontal frames extending in the left and right directions, a plurality of frame connecting frames orthogonal to the frame horizontal frames and connected to the frame horizontal frames, and frame legs for supporting the pallet. In addition, a fork receiver for facilitating positioning for inserting the fork of the forklift when the pallet is lifted by the forklift is installed at the lower part of the gantry horizontal frame,
A slide member support wheel is installed at the lower end of the slide member back support so that it can be grounded,
The slide shaft is a long rigid frame material, one end of which is joined to the slide member back support, and one slide shaft wheel is attached to the other end.
When the slide shaft is inserted so as to be sandwiched vertically between the rail and the slide guide wheel from the left and right ends of the slide guide,
The slide shaft is located below the rail,
The slide shaft wheel contacts the rail from below the rail,
The slide guide wheel contacts the slide shaft from below the slide shaft, and the slide shaft wheel that the slide member back support tries to move upward by the force of lowering by its own weight is the rail. The glass plate transport pallet, wherein the slide shaft that is pressed against the slide guide and is about to move downward at the end of the slide guide is pressed against the slide guide wheel.   The glass plate transportation pallet according to claim 1, wherein a contact surface of the rail with the slide shaft wheel is orthogonal to a surface of the back support of the back frame.   The pallet for transporting glass sheets according to claim 1 or 2, wherein the length of the rail is the same as the lateral width of the back frame.

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