JP4789975B2 - Bulk container - Google Patents

Description

  The present invention relates to an inner bag in which a granular load such as synthetic resin pellets, coal, cereals, etc. is filled in a container main body which is transported by being mounted on a carrier bed of a trailer whose front portion can be lifted by a hydraulic lift. It relates to a bulk container that is stretched.

Patent Document 1 discloses a bulk container for transporting granular loads such as synthetic resin pellets, coal, cereals, etc., and this bulk container has an inner bag stretched inside a general-purpose container body. In the upper rear end of the inner bag, an input portion for loading granular load and an exhaust portion for discharging air from the inner bag are provided apart from each other left and right. In the center of the lower part, a discharge part for discharging the granular load filled in the inner bag to the outside is provided. In this bulk container, when discharging the granular load filled in the inner bag, the front portion of the bulk container is lifted by a hydraulic lift or the like, and the granular load is discharged from the discharge portion of the inner bag to a storage tank or the like. Release. In this bulk container, in order to prevent the granular load from staying at the corner at the lower rear end of the container body when discharging the granular load from the discharge portion, the corner portion is inclined toward the discharge portion. A triangular backing plate is provided. Thereby, the granular load loaded in the inner bag is guided to the discharge portion by the inclination of the contact plate to the discharge portion, and the granular load is prevented from staying at the corner portion.
Japanese Patent Application Laid-Open No. 2002-166995

  In the above bulk container, it is possible to prevent the granular load from staying in the corner portion of the container body by the pad plate. However, by providing this pad plate, a part of the corner portion of the container body has a granular shape. There was a problem that the loading capacity of the container was reduced because the load could not be filled. An object of the present invention is to make it difficult for a granular load to accumulate in a corner portion at the lower end of the rear end of a container body without reducing the loading capacity of the container body.

  In order to solve the above-mentioned problems, the present invention provides a granular load such as synthetic resin pellets, coal, cereals and the like inside a container body that is mounted on a carrier bed of a trailer that can be lifted by a hydraulic lift. In a bulk container in which an inner bag filled with is filled, an input part into which a granular load is introduced at the upper rear end of the inner bag and an exhaust part from which air is discharged from the inner bag are provided apart from each other left and right. A pair of discharge parts that discharge the granular load filled inside the inner bag to the outside are provided at the lower rear end of the inner bag so as to be separated from each other in the lateral direction. A lead-out duct formed integrally with a pair of left and right introduction ducts connected to the discharge part of the inner bag is attached to the support member to be assembled, and the inner bag is filled and conveyed by opening and closing a valve provided in the lead-out duct. Release granular load into appropriate storage tank There is provided a bulk container, characterized in that it has to be.

In the bulk container configured as described above, a pair of cylindrical discharge sleeves that discharge the granular load filled in the inner bag to the outside are provided at the lower rear end of the inner bag so as to be separated from each other on the left and right. Therefore, as compared with the case where the discharge sleeve is provided at one center, each discharge sleeve is closer to the corner portion at the lower end of the rear end of the container body, and the granular load is less likely to stay at this corner portion . Further, since the discharge ports of the discharge sleeve of the inner bag to the outlet port of the outlet duct of the Y-duct is kept is airtight, possibly a foreign object from outside the loading of the particulate in the inner bag is mixed There are few . Furthermore, since these induction duct and outlet duct which is formed integrally assembled to the support member to be assembled removably to the rear end lower portion of the container body, the container body is never bulky Ki out carry remove these ducts .

  Hereinafter, an embodiment of the present invention will be described with reference to FIGS. As shown in FIG. 1, the bulk container according to the present invention is provided with a synthetic resin inside a general-purpose container body 10 that is transported by being mounted on a loading platform C of a trailer T that can be lifted by a hydraulic lift L. An inner bag 20 filled with a granular load such as pellets, coal, and grains is stretched. As shown in FIG. 3, this bulk container includes an input portion (input port) 21 into which a granular load is input at the upper rear end of the inner bag 20 and an exhaust portion (exhaust port) through which air is discharged from the inner bag 20. ) 22 are provided spaced apart from each other on the left and right, and a pair of discharge portions 23, 23 for discharging the granular load filled inside the inner bag 20 to the outside is provided at the lower rear end of the inner bag 20. And a lead member formed integrally with a pair of left and right introduction ducts 51, 51 to which the discharge portions 23, 23 of the inner bag 20 are connected to a support member 30 which is detachably assembled to the lower rear end portion of the container body 10. The duct 52 is assembled, and the granular load loaded in the inner bag 20 and conveyed by opening and closing the valve (butterfly valve) 53 provided in the outlet duct 52 is discharged to an appropriate storage tank. is there. A detailed description of this bulk container is given below.

  As shown in FIGS. 1 to 3, the container body 10 is a general-purpose container having a rectangular parallelepiped shape and having a double-open door at the rear end. Hanging metal fittings (not shown) for extending the inner bag 20 are attached to the upper portion of the side wall of the container body 10 at a plurality of locations. Four side bars 11 are attached to the rear end of the container main body 10, and the side bars 11 lift the front portion of the container main body 10 upward to discharge the granular load in the inner bag 20. Sometimes the inner bag 20 is prevented from falling. The side bar 11 is used with its strength increased according to the weight of the load to be filled in the inner bag 20.

  As shown in FIGS. 3 and 4, the inner bag 20 is filled with a granular load such as synthetic resin pellets, coal, cereals, etc., and has a substantially rectangular parallelepiped shape with substantially the same dimensions as the inner diameter of the container body 10. is doing. At the upper part of the inner bag 20, hanging straps (not shown) are provided at positions corresponding to the hanging brackets of the container main body 10. By hanging these hanging straps on the hanging brackets attached to the container main body 10, the inner bag 20 is stretched in the container body 10. An upper portion of the rear end of the inner bag 20 is provided with an input port (input unit) 21 into which a granular load is input, and an exhaust for discharging air in the inner bag 20 when the load is being input from the input port 21. An outlet (discharge unit) 22 is provided. A pair of (two) discharge portions 23 that discharge the granular load to the outside are provided at the lower rear end of the inner bag 20. These discharge parts 23, 23 are extended in a cylindrical shape from the lower end of the rear end of the inner bag 20 at a position that divides the width of the inner bag 20 into approximately three equal parts, and discharge the load from the discharge port at the front end. is there. As shown by the two-dotted line in FIG. 6, the discharge unit 23 closes the discharge port by tying the middle part in the axial direction with a string 24 when carrying a granular load, etc. The load is not released.

  As shown in FIGS. 2, 3, and 5, a discharge device 30 for discharging the granular load filled in the inner bag 20 is detachably attached to the lower rear end of the container body 10. . Note that the perspective view of FIG. 2 viewed from obliquely rear is for easy understanding of the present embodiment, and details are shown in FIGS. 3, 5, and 6. FIG. The discharge device 30 is a Y-shaped duct comprising a support member 31 detachably assembled to a longitudinal groove 12 provided at the rear end of the container body 10, two introduction ducts 51, 51, and one lead-out duct 52. 50.

  As shown in FIGS. 3 and 5, the support member 31 includes two horizontal bars 32, 32 arranged in parallel and three vertical bars 33, 33 arranged in parallel so as to connect the horizontal bars 32. , 33 and a substantially ladder shape. Each horizontal bar 32 is formed of a hollow pipe member, and slide bars 35 that are movable in the horizontal direction by levers 34 are inserted into both ends of the horizontal bar 32 in the horizontal direction. The support member 31 is detachably assembled to the lower rear end portion of the container body 10 by engaging the slide bar 35 with the vertical groove 12 provided at the rear end of the container body 10 by operating the lever 34. The slide bar 35 is fixed so as not to move in the horizontal direction by tightening screws 36 attached to both ends of the horizontal bar 32 in the horizontal direction.

  As shown in FIGS. 3 and 5, the support member 31 includes connection adapters 40 and 40 at positions where the discharge portions 23 and 23 of the inner bag 20 are provided. The connection adapter 40 connects the discharge portions 23 and 23 of the inner bag 20 to the introduction ducts 51 and 51 of the Y-shaped duct 50. Each connection adapter 40 is fixed to the attachment plate 42 with a rectangular attachment plate 42 attached via four support pillars 41 fixed to the cross rail 32 at a position where each discharge portion 23 of the inner bag 20 is located. The connecting cylinder 43 is provided. The attachment plate 42 is formed with an opening 42 a for inserting the discharge portion 23 of the inner bag 20. The connecting cylinder 43 is fixed to the mounting plate 42 at a position communicating with the opening 42a. Fasteners 44 for fixing the introduction ducts 51, 51 of the Y-shaped duct 50 are provided at the upper and lower portions of the mounting plate 42. As shown in FIG. 6, the discharge portion 23 of the inner bag 20 is inserted into the opening 42 a of the attachment plate 42 of the connection adapter 40 and the connection tube 43, and the distal end portion of the discharge portion 23 is connected to the outer peripheral surface of the connection tube 43. And is attached to the connection adapter 40 so that it can be connected to the introduction duct 51 of the Y-shaped duct 50.

  The Y-shaped duct 50 includes a pair of left and right cylindrical introduction ducts 51 and 51, and a cylindrical lead-out duct 52 formed integrally with the introduction ducts 51 and 51. The Y-shaped duct 50 is detachably attached to the upper and lower fasteners 44, 44 by inserting the introduction ducts 51, 51 into the connecting cylinders 43, 43. Each introduction duct 51, 51 is in communication with the discharge port of the discharge part 23, 23 by unfastening the string 24 blocking the discharge port of the discharge part 23, 23 in a state of being attached to each connecting cylinder 43, 43. Connected. In the lead-out duct 52, a butterfly valve 53 is provided. By opening and closing the butterfly valve 53 by operating the lever 54, the particulate load passing through the introduction ducts 51, 51 is discharged or blocked from the discharge portions 23, 23. do. An appropriate hose is attached to the outlet of the outlet duct 52 and is detachably connected to the storage tank at the transport destination.

  A procedure for discharging a granular load from the inner bag 20 in the bulk container configured as described above will be described. The container body 10 filled with the granular load in the inner bag 20 is mounted on the loading platform C by the trailer T, and is transported to the transport destination. After the conveyance, the door at the rear end of the container main body 10 is opened, and the discharge device 30 is attached to the lower rear end of the container main body 10. In the discharge device 30, the support member 31 is positioned at the lower rear end of the container body 10, and each lever 34 is operated to engage the slide bar 35 with the vertical groove 12 provided at the rear end of the container body 10. The support member 31 is attached to the lower end of the rear end of the container body 10. As shown in FIG. 6, the discharge part 23 of the inner bag 20 is connected to the opening 42 a of the attachment plate 42 of the connection adapter 40 and the connecting cylinder in a state where the discharge port 23 is closed by tying the discharge part 23 of the inner bag 20 with the string 24. The tip end 23a of the discharge portion 23 is folded back so as to cover the outer peripheral surface of the connecting cylinder 43. Next, the introduction ducts 51, 51 of the Y-shaped duct 50 are inserted into the connecting cylinder 43, and the Y-shaped duct 50 is attached to the connecting adapter 40 by each fastener 44. Thereby, each discharge | release part 23 of the inner bag 20 will be in the state which can be connected in communication with the introduction ducts 51 and 51 of the Y-shaped duct 50 by releasing the string 24. FIG. In addition, the outlet of the outlet duct 52 of the Y-shaped duct 50 is appropriately connected to a storage tank as a transport destination via a hose or the like. The outlet of the outlet duct 52 is connected to an appropriate hose or connecting pipe corresponding to the shape of the inlet of the destination storage tank, or the outlet of the outlet duct 52 is directly connected to the outlet of the storage tank. You may make it point to. When discharging the granular load in the inner bag 20, the string 24 is released from between the support columns 41, 41 to open the discharge port of the discharge portion 23. Thereby, the granular load in the inner bag 20 is discharged to the storage tank through the discharge portions 23, 23, the introduction ducts 51, 51 and the lead-out duct 52 communicating with the discharge portions 23, 23.

  In the bulk container configured as described above, a pair of discharge portions 23 that discharge the granular load filled inside the inner bag 20 to the outside are provided at the lower rear end of the inner bag 20 so as to be separated from each other on the left and right. Therefore, as compared with the case where the discharge portion 23 is provided at one center, the discharge portions 23 and 23 are closer to the lower corner portion of the rear end of the container body 10 and the granular load is less likely to stay at the corner portion. . Further, the lead-out duct 52 formed integrally with the introduction ducts 51 and 51 is assembled to the support member 30 that is detachably assembled to the lower rear end of the container main body 10, so that the container main body 10 removes these ducts and conveys them. Can be bulky. In addition, since the airtightness is maintained from the discharge ports of the discharge portions 23 and 23 of the inner bag 20 to the discharge port of the discharge duct 52 of the Y-shaped duct 50, the granular load in the inner bag 20 is externally applied to the granular load. There is little possibility of contamination.

It is a side view when discharging a load by the bulk container concerning the present invention. It is the perspective view seen from the diagonal back of the state which opened the door of the bulk container. It is a rear view of the state where the door of the bulk container is opened It is the perspective view seen from the slanting back of the inner bag. It is AA sectional drawing of FIG. Partially enlarged sectional view taken along line BB in FIG.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 10 ... Container main body, 20 ... Inner bag, 21 ... Input part (input port), 22 ... Exhaust part (exhaust port), 23 ... Discharge part, 51 ... Introduction duct, 52 ... Outlet duct, 53 ... Valve (butterfly valve) .

Claims (1)

Hydraulic lift internal synthetic resin pellets of the container body to be conveyed by mounting the front portion thereof on the loading platform of the lift possible trailer, coal, stretched inside bag loading of particulate, such as cereals are filled The upper part of the inner bag is provided with an inlet part into which the granular load is introduced and an exhaust part through which air is discharged from the inner bag. In a bulk container provided with a pair of cylindrical discharge sleeves that discharge the granular load filled in the bag to the outside, separated from each other in the left and right directions ,
A ladder-like support member that is removably assembled to the lower rear end of the container main body, and the discharge sleeves are inserted into the support members at positions facing the pair of discharge sleeves. A pair of left and right connecting adapters with connecting cylinders;
A pair of left and right introduction ducts that are detachably connected to each connection cylinder of the connection adapter, and a granular load that is integrally formed so as to be connected to the introduction ducts and filled in the inner bag as appropriate. A Y-shaped duct having a lead-out duct that discharges into a fresh storage tank;
A valve provided in the lead-out duct of the Y-shaped duct for releasing or blocking the granular load;
A bulk characterized in that each introduction duct of the Y-shaped duct is fitted to each connection cylinder in a state where the front end of each discharge sleeve is folded back so as to cover the outer peripheral surface of the front end of each connection cylinder. container.

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