Roll receiver and carrier

The roll receiver system on a transport vehicle addresses the inefficiencies of multiple machine use by integrating hydraulic cylinders to lower and adjust the roll support height, enabling efficient single-vehicle transport and winder access.

JP7605575B2Active Publication Date: 2024-12-24MITSUBISHI LOGISNEXT CO LTD
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Patent Information

Application Number
JP2022174589
Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
Filing Date
2022-10-31
Publication Date
2024-12-24
Estimated Expiration
2042-10-31

AI Technical Summary

Technical Problem

Existing roll paper transport systems require multiple machines (transport cart and crane) and involve high lifting heights, making it difficult to place and move rolls to a winder, increasing costs and time inefficiencies.

Method used

A roll receiver system integrated with a transport vehicle, featuring a base portion, fixed and movable receivers, and hydraulic cylinders, allowing the roll receiver to be lowered and adjusted to support rolls at a relatively low height, using a single vehicle for transport and elevation.

Benefits of technology

Enables efficient movement of roll paper to the height of a winder using a single transport vehicle, reducing the need for additional machinery and lowering the mounting surface, thus saving costs and time.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

To move a roll paper up to a height of a winder by solely a carrier and make a roll-paper loading surface comparatively low.SOLUTION: A roll receiver 2, to be coupled to a carrier 1 allowed to raise / lower the roll receiver 2, comprises a base unit 20, a fixed receiving unit 21, one pair of movable receiving units 22 and one pair of cylinders 24. The fixed receiving unit 21 is fixed on the base unit 20, and the movable receiving units 22 are coupled for upward swinging to both ends of the fixed receiving unit 21 through hinges 23, thus horizontally extending respectively from the ends of the fixed receiving unit 21. The one pair of cylinders 24 are expandable / contractable to horizontally extend respectively below the one pair of movable receiving units 22 and coupled at some ends for swinging to the base unit 20 and at the other ends to the one pair of movable receiving units 22, respectively. The one pair of cylinders 24, by expanding, swing up the one pair of movable receiving units 22 so as to support a roll material loaded on the fixed receiving unit 21.SELECTED DRAWING: Figure 1
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Description

[Technical field]

[0001] The present invention relates to a roll receiver for transporting roll material, and to a transport vehicle equipped with the roll receiver. [Background technology]

[0002] There are heavy and large rolls of paper that cannot be transported by human power. For example, a transport cart is available for transporting such rolls of paper, as disclosed in Patent Document 1. This transport cart has left and right receiving plates that can swing up and down, and left and right hydraulic cylinders that extend up and down and are located under the receiving plates, and the hydraulic cylinders lift the receiving plates to support the roll of paper. This allows this transport cart to transport rolls of paper with different diameters.

[0003] Incidentally, in order to load the roll paper onto the transport cart, it is preferable that the height of the carrier's receiving plate from the ground be low. However, in the case of the transport cart disclosed in Patent Document 1, the receiving plate must be raised high to firmly support the roll paper from both sides, and this requires the use of a long hydraulic cylinder. This results in a problem in that the receiving plate is high above the ground, making it difficult to load the roll paper onto the transport cart.

[0004] Furthermore, in order to set the transported roll paper on the winding machine, the roll paper must be lifted to the height of the winding machine. Therefore, in the past, it was necessary to use a crane as disclosed in Patent Document 2 to hoist the roll paper from the transport cart to the height of the winding machine and then set the roll paper on the winding machine.

[0005] However, in the conventional method, a transport cart and a crane are required to transport the roll paper and set it on the winder, which causes problems such as the cost of two pieces of equipment and the waste of work time to suspend the roll paper from the crane. Therefore, it is preferable to move the roll paper to the height of the winder only by the transport cart. However, for example, adding a new structure to achieve this with the transport cart could result in the height of the receiving plate from the ground becoming even higher, which is a problem. [Prior art documents] [Patent documents]

[0006] [Patent Document 1] Japanese Utility Model Application Publication No. 05-019252 [Patent Document 2] Japanese Patent Application Publication No. 61-002646 Summary of the Invention [Problem to be solved by the invention]

[0007] Therefore, the problem that the present invention aims to solve is to provide a roll receiver that can move the roll paper to the height of the winding machine using only the transport vehicle and can make the loading surface for the roll paper relatively low, and a transport vehicle equipped with such a roll receiver. [Means for solving the problem]

[0008] In order to solve the above problems, the roll receiver according to the present invention comprises: A roll receiver connected to a transport vehicle capable of lifting and lowering the roll receiver, A base portion extending horizontally; a fixed receiving portion extending in a horizontal direction and fixed to the base portion above the base portion; a pair of movable receiving parts connected to both ends of the fixed receiving part via hinges so as to be able to swing upward and extending horizontally from the ends of the fixed receiving part; a pair of cylinders each extending horizontally below the pair of movable receiving parts, one end of each of which is swingably connected to the base part, and the other end of each of which is connected to the pair of movable receiving parts; The pair of cylinders are characterized in that, when extended, they cause the pair of movable receiving parts to swing upward and support the roll material placed on the fixed receiving parts.

[0009] The roll receiver is preferably The transport vehicle is equipped with a hydraulic system having a tank, a hydraulic pump, a hydraulic valve, and a control unit that controls hydraulic pressure, A pair of the cylinders are hydraulic cylinders and are extended by a hydraulic system.

[0010] The roll receiver may be, for example: The fixed receiving portion is fixed to the base portion via an expandable portion that is expandable and contractable up and down.

[0011] The roll receiver is preferably It has multiple pairs of cylinders.

[0012] The roll receiver is preferably The direction in which it is connected to the transport vehicle in the horizontal direction can be adjusted.

[0013] In order to solve the above problems, the transporter according to the present invention comprises: Roll receiver and A lifting unit that lifts and lowers the roll receiver, The roll receiver includes a base portion extending horizontally, a fixed receiving portion extending in a horizontal direction and fixed to the base portion above the base portion; a pair of movable receiving parts connected to both ends of the fixed receiving part via hinges so as to be able to swing upward and extending horizontally from the ends of the fixed receiving part; a pair of cylinders each extending horizontally below the pair of movable receiving parts, one end of each of which is swingably connected to the base part, and the other end of each of which is connected to the pair of movable receiving parts; The pair of cylinders are characterized in that, when extended, they swing the pair of movable receiving parts to support the roll material placed on the fixed receiving parts.

[0014] The transport vehicle preferably comprises: Further comprising a hydraulic system having a hydraulic pump, a hydraulic valve, and a control unit that controls hydraulic pressure; A pair of the cylinders are hydraulic cylinders and are extended by a hydraulic system.

[0015] The transport vehicle preferably comprises: The control unit controls the hydraulic pressure to extend or retract the cylinder to any length, thereby adjusting the inclination angle of the movable receiving part as desired.

[0016] The transport vehicle preferably comprises: The lifting unit is a table lifter, The base portion is fixed to the upper surface of the table lifter.

[0017] The transport vehicle preferably comprises: The table lifter is hydraulically constructed and connected to the hydraulic system, and is raised and lowered by the hydraulic system.

[0018] The transport vehicle preferably comprises: It consists of a hand lifter with a handle.

[0019] The transport vehicle may be, for example: A forklift, The roll receiver is configured as an attachment for a forklift. Effect of the Invention

[0020] The roll receiver and transport cart according to the present invention allows the roll paper to be moved to the height of the winder by the transport cart alone, and the surface on which the roll paper is placed can be made relatively low. [Brief description of the drawings]

[0021] [Figure 1] 1 is a side view showing a transporter according to an embodiment of the present invention. [Diagram 2] FIG. 2 is a plan view of the transporter shown in FIG. [Diagram 3] 3 is an enlarged plan view of the roll receiver shown in FIG. 2. [Figure 4] FIG. 2 is a cross-sectional view of FIG. [Diagram 5] FIG. 2 is a block diagram showing the hydraulic system shown in FIG. 1. [Figure 6] 11 is a side view showing the roll paper placed on the roll receiver. FIG. [Figure 7] FIG. 11 is a side view showing the table lifter in a raised position. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0022] Hereinafter, an embodiment of the roll receiver and a transport vehicle equipped with the roll receiver according to the present invention will be described with reference to the attached drawings. In the drawings, arrow X indicates the running direction (front-rear direction) of the transport vehicle 1, arrow Y indicates the left-right direction, and arrow Z indicates the up-down direction.

[0023] <Transport vehicle> Fig. 1 is a side view of a transporter 1 according to this embodiment, and Fig. 2 is a plan view of the transporter 1. Fig. 3 is an enlarged plan view of the roll receiver 2 shown in Fig. 2, and Fig. 4 is a cross-sectional view taken along line aa in Fig. 1.

[0024] As shown in Figures 1 to 4, the transport vehicle 1 includes a vehicle body 10, rear wheels 11, a battery storage section 12, front wheels 13, a handle 14, left and right side frames 15, a bottom frame 16, a table lifter 17, a hydraulic system 18, and a roll receiver 2. The transport vehicle 1 is an electrically-steered vehicle, but this is merely an example, and a human-powered vehicle may also be used. The transport vehicle 1 may also be a rideable vehicle.

[0025] The vehicle body 10 is disposed on the rear wheels 11, and the battery storage section 12 is fixed to the vehicle body 10 and disposed in front of the vehicle body 10.

[0026] The handlebars 14 are provided on the vehicle body 10 and are configured to be able to swing up, down, left, and right. A user grasps the handlebars 14 and swings them up, down, left, and right to steer the rear wheels 11 while receiving power assistance from a battery (not shown) stored in the battery storage section 12.

[0027] The left and right side frames 15 each extend forward from the battery storage section 12, and the left and right front wheels 13 are disposed on the outer sides of the left and right side frames 15, respectively.

[0028] The bottom frame 16 is formed in a generally U-shaped cross section with its bottom portion extending horizontally, and is fixed between the left and right side frames 15 .

[0029] The table lifter 17 has left and right pantograph arms (X-shaped arms), a tabletop, and a hydraulic cylinder (not shown). The table lifter 17 is fixed to the upper surface of the bottom of the bottom frame 16. The hydraulic cylinder is disposed between the left and right pantograph arms. The pantograph arms open and close as the hydraulic cylinder expands and contracts, thereby raising and lowering the tabletop.

[0030] The roll receiver 2 has a base portion 20, a fixed receiver portion 21, front and rear movable receiver portions 22, a hinge 23, and front and rear hydraulic cylinders 24. The hydraulic cylinders 24 correspond to the "hydraulic cylinder" of the present invention.

[0031] The base portion 20 has a bottom plate 20a, three horizontal frames 20b, and front and rear first connecting portions 20c.

[0032] The bottom plate 20a is fixed to the center of the top plate of the table lifter 17 in the front-rear direction.

[0033] The three horizontal frames 20b are spaced apart from one another in the front-rear direction, protrude from the left and right ends of the bottom plate 20a, extend in the left-right direction, and are fixed to the upper surface of the bottom plate 20a.

[0034] The front and rear first connecting portions 20c each have left and right plate members extending upward and are fixed to the front and rear of the upper surface of the bottom plate 20a, respectively. The left and right plate members are provided with holes through which shaft members pass.

[0035] The fixed receiving portions 21 are formed of plates that protrude outward from the left and right ends of the horizontal frame 20b and extend in the horizontal direction. The fixed receiving portions 21 are fixed to the upper surface of the horizontal frame 20b.

[0036] The front and rear movable receiving parts 22 each have a plate 22a extending in the horizontal direction and a second connecting part 22b. The front and rear movable receiving parts 22 are connected to the front and rear of the fixed receiving part 21 via four hinges 23 so as to be able to swing up and down. The second connecting parts 22b each have a plate member extending downward, and are fixed to the front end or rear end of the lower surface of the plate 22a. The left and right plate members are provided with holes through which shaft members pass.

[0037] The front and rear hydraulic cylinders 24 each have a first end and a second end. Both the first end and the second end are provided with a hole through which the shaft member passes. The front and rear hydraulic cylinders 24 are rotatably connected at the first end to the first connecting portion 20c and at the second end to the second connecting portion 22b via the shaft member. The hydraulic cylinders 24 are extended in the length direction by hydraulic pressure, causing the movable receiving portion 22 to swing upward. The hydraulic cylinders 24 are arranged to extend horizontally from the end of the fixed receiving portion 21, so that the height of the upper surface of the fixed receiving portion 21 is configured to be approximately 260 mm or less from the ground.

[0038] As shown in Fig. 1, the transporter 1 further includes a hydraulic system 18. The hydraulic system 18 is disposed inside the vehicle body 10, and as shown in Fig. 5, includes a control unit 18a, a tank 18b, a hydraulic pump 18c, and hydraulic valves 18e and 18d.

[0039] The control unit 18a operates the hydraulic pump 18c using the power of the battery stored in the battery storage unit 12, and sends the hydraulic oil in the tank 18b to the hydraulic cylinder 24 and the hydraulic cylinder of the table lifter 17. The control unit 18a also operates the hydraulic valves 18e, 18d using the power of the battery, and adjusts the hydraulic pressure of the hydraulic cylinder 24 and the hydraulic cylinder of the table lifter 17. The control unit 18a is electrically connected to a button (not shown) arranged on the handle 14, and is operated by the user operating the button.

[0040] By operating the buttons, the user can adjust the extension and retraction of the hydraulic cylinder 24 and tilt the movable receiving part 22 to any angle. This allows various objects of different widths to be fixed by the roll receiver 2. The user can also adjust the extension and retraction of the hydraulic cylinder of the table lifter 17 by operating the buttons, and raise or lower the height of the roll receiver 2 to any height. The user can perform all hydraulic operations with the handle 14, so all operations from traveling to loading and unloading can be performed at the position of the handle 14.

[0041] In the transport vehicle 1, the hydraulic system 18 is arranged inside the vehicle body 10, not below the roll receiver 2, so that the height of the fixed receiver 21 is low.

[0042] <Transport vehicle operation> Next, the operation of the transport cart 1 when transporting the roll of paper R will be described with reference to FIGS.

[0043] (1) First, the user places the roll of paper R on the fixed receiving portion 21 of the transport cart 1.

[0044] (2) Next, the hydraulic cylinder 24 of the transporter 1 is extended by the user's button operation, and the movable receiver 22 is swung upward as shown in Figure 6. As a result, the roll paper R is fixed to the roll receiver 2.

[0045] (3) Next, the transporter 1 is operated by the user to move to directly below the winding machine, and as shown in FIG. 7, the hydraulic system 18 raises the table lifter 17, allowing the roll paper R to be set on the winding machine.

[0046] When removing the roll paper R from the winder and transporting it, the above steps are reversed.

[0047] As described above, the transport vehicle 1 according to this embodiment has the above-mentioned configuration, and thus the transport vehicle 1 alone can move the roll paper R to the height of the winding machine. Therefore, the winding machine can be operated even in places where an overhead crane cannot be installed. Moreover, the transport vehicle 1 can lower the placement surface for the roll paper R, so that the roll receiver 2 can be inserted into a narrow gap below the roll paper R even when the roll paper R is anchored at a position low from the ground. Furthermore, the transport vehicle 1 can raise and lower the roll receiver 2 and swing the movable receiver part 22 using the common hydraulic system 18, so that the number of components can be reduced and manufacturing costs can be kept low.

[0048] The roll receiver and transport vehicle according to the present invention are not limited to the above embodiment, and the roll material transported by the transport vehicle 1 is not limited to roll paper R. For example, the roll receiver and transport vehicle according to the present invention may be embodied in the following modified examples.

[0049] <Modification> The table lifter 17 may be, for example, an electric type that is raised and lowered by battery power stored in the battery storage section 12.

[0050] The roll receiver 2 may have, for example, an expandable portion that is expandable and contractable up and down instead of the horizontal frame 20b. In this case, the fixed receiver 21 is fixed to the bottom plate 20a of the base 20 via the expandable portion.

[0051] The number of hydraulic cylinders 24 is not limited to one each at the front and rear. For example, multiple hydraulic cylinders 24 may be provided on the left and right. This allows the hydraulic cylinders 24 to more stably support the movable receiving part 22 in an inclined state.

[0052] The orientation of the roll receiver 2 in the horizontal direction is not limited to the above embodiment. Furthermore, the roll receiver 2 may be configured so that its orientation in the horizontal direction can be adjusted. For example, the base part 20 may be configured so that it can be fixed to the table lifter 17 by bolts, and may be provided with a plurality of holes for fixing by the bolts, and may be configured so that it can be fixed by bolts even in a state rotated 90 degrees horizontally. As a result, the transport vehicle 1 can travel through narrow passages by fixing the roll receiver 2 to the table lifter 17 with the length direction of the fixed receiving part 21 facing the front-rear direction of the transport vehicle 1, and by making the movable part receiving part vertical by the hydraulic cylinder 24.

[0053] The cylinder of the present invention may be a gas cylinder instead of a hydraulic cylinder.

[0054] The roll receiver may be used, for example, as an attachment for a forklift, in which case the hydraulic cylinder 24 may be configured to be actuated by the hydraulic system of the forklift. [Explanation of symbols]

[0055] 1 Transport vehicle 10. Body 11 Rear wheel 12 Battery Compartment 13 Front wheel 14 Handle 15 Side frame 16 Bottom Frame 17 Table lifter (lifting part) 18 Hydraulic System 18a Control section 18b Tank 18c hydraulic pump 18d Hydraulic valve 18e Hydraulic valve 2 Roll receiver 20 Base 20a Bottom plate 20b Horizontal frame 20c 1st connection part 21 Fixed receiving part 22 Movable receiving part 22a Plate 22b 2nd connection part 23 Hinge 24 Hydraulic cylinder (cylinder) R Roll paper

Claims

1. A roll receiver connected to a transport vehicle capable of lifting and lowering the roll receiver, A base portion extending horizontally; a fixed receiving portion extending in a horizontal direction and fixed to the base portion above the base portion; a pair of movable receiving parts connected to both ends of the fixed receiving part via hinges so as to be able to swing upward and extending horizontally from the ends of the fixed receiving part; a pair of cylinders each extending horizontally below the pair of movable receiving parts, one end of which is swingably connected to the base part, and the other end of which is connected to the pair of movable receiving parts; The pair of cylinders extend to swing the pair of movable receiving portions upward to support the roll material placed on the fixed receiving portion.

2. The transport vehicle is equipped with a hydraulic system having a tank, a hydraulic pump, a hydraulic valve, and a control unit that controls hydraulic pressure, 2. The roll receiver of claim 1, wherein the pair of cylinders are hydraulic cylinders and are extended by the hydraulic system.

3. The roll receiver according to claim 1 or 2, wherein the fixed receiver is fixed to the base via an expandable part that is expandable and contractable up and down.

4. The roll receiver according to claim 1 or 2, comprising a plurality of pairs of the cylinders.

5. The roll receiver according to claim 1 or 2, wherein a direction in which the roll receiver is connected to the transport vehicle in the horizontal direction is adjustable.

6. Roll receiver and A lifting unit that lifts and lowers the roll receiver, The roll receiver is A base portion extending horizontally; a fixed receiving portion extending in a horizontal direction and fixed to the base portion above the base portion; a pair of movable receiving parts connected to both ends of the fixed receiving part via hinges so as to be able to swing upward and extending horizontally from the ends of the fixed receiving part; a pair of cylinders each extending horizontally below the pair of movable receiving parts, one end of which is swingably connected to the base part, and the other end of which is connected to the pair of movable receiving parts; The pair of cylinders extend to swing the pair of movable receiving portions and support the roll material placed on the fixed receiving portions.

7. Further comprising a hydraulic system having a hydraulic pump, a hydraulic valve, and a control unit that controls hydraulic pressure; 7. The vehicle of claim 6, wherein the pair of cylinders are hydraulic cylinders and are extended by the hydraulic system.

8. 8. The transporter according to claim 7, wherein a control unit controls hydraulic pressure to extend and retract the pair of cylinders to any length, thereby adjusting the inclination angle of the pair of movable receiving parts as desired.

9. The lifting unit is a table lifter, The transporter according to claim 7 , wherein the base portion is fixed to an upper surface of the table lifter.

10. 10. The transporter of claim 9, wherein the table lifter is hydraulically configured and connected to the hydraulic system so as to be raised and lowered by the hydraulic system.

11. 8. The transporter according to claim 7, which is comprised of a hand lifter having a handle.

12. A forklift, 8. The transporter according to claim 6 or 7, wherein the roll receiver is configured as an attachment for the forklift.

Citation Information

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