JP4841606B2 - Carriage for transportation - Google Patents

Description

  The present invention relates to a carriage for carrying and using heavy objects and the like.

Conventionally, when a heavy object or the like is transported, the heavy object is transported by being placed on a transport carriage in a place where there is no crane or the like.
For example, as shown in FIG. 9, a carriage base 52 provided with rolling rollers 51 in all directions, and a placement for placing a transported object 60 provided on the carriage base 52, as shown in FIG. There is proposed a transporting carriage 50 that includes a base 53, and an elastic absorber 55 such as a coil spring is interposed between the carriage base 52 and the placement base 53, and the placement base 53 is supported in a floating state. (Japanese Patent Laid-Open No. 2003-165444).
JP 2003-165444 A

  However, the carriage 50 is provided on all sides of the carriage base 52 during conveyance so that a rocking restraining member 56 that inhibits rocking of the mounting base 53 in the running direction and the vehicle width direction is provided. When any of the rolling rollers 51 comes into contact with the uneven portion of the floor surface, or before or after a curve, the entire mounting base 53 has a structure that easily tilts or swings, and the conveyed product 60 is placed on the mounting base 53. In particular, when the transported object is a heavy object or has a leg portion, it is extremely dangerous. Further, since the integrity of the transport carriage 50 and the transported object 60 is insufficient, a plurality of persons must travel while paying sufficient attention to the state of the floor surface and the traveling direction during transportation.

On the other hand, in order to ensure the integrity of such a transport carriage and the transported article, it is conceivable to attach a transport carriage to each leg of the transported article.
However, in the case of such a structure, among the transport carriages attached to each leg portion of the transported object, the transport carriage that is in contact with the uneven portion of the floor surface or the transport carriage that is attached inside when turning around the curve However, the load does not come off from the leg of the transported object, but the load is small for the transport cart that does not touch the uneven surface of the floor and the transport cart that is located outside when turning the curve. Therefore, it may come off from the leg part of a conveyed product. As a result, even a transport cart with such a structure must be run by a plurality of people while paying attention to the removal of the transport cart during transport.

  Therefore, the object of the present invention is to maintain integrity with the transported object even when the traveling direction changes such as a curve when contacting an uneven portion of the floor surface, so that the transport carriage is not detached, However, the object is to provide a transport carriage that can be transported safely.

What solves the said subject is the trolley | bogie which is each attached to every several leg part of a conveyed product, Comprising: The mounting base for mounting the leg part of the said conveyed object, Below this mounting base A carriage base provided with a rolling roller at a lower portion, and the mounting base is configured to be movable up and down via an elastic body above the carriage base. A transporting carriage characterized in that the mounting base is raised so that the leg portion of the object and the mounting base are not separated from each other.

  It is preferable that the mounting base has a fitting portion for fitting the lower end portion of the leg portion of the conveyed product. It is preferable that a plurality of the elastic bodies are arranged around the fitting portion. The fitting portion is preferably formed in a recess. It is preferable that the inner surface of the recess has substantially the same shape as the outer shape of the lower end portion of the leg portion of the conveyed product. It is preferable that the said recessed part has several types of recessed part inner surface shape which can insert several types of leg part which changes with conveyed products. It is preferable that the plurality of types of inner surface shapes of the recesses are formed by laminating a plurality of plates having different forms. It is preferable that the cart-based rolling roller is provided in each of the lower four sides of the cart base and can be advanced in all directions.

According to the first aspect of the present invention, even when the traveling direction changes such as a curve when contacting an uneven portion of the floor surface, integrity with the leg portion of the transported object is maintained and the transport carriage is detached. It can be safely transported by one person.
According to the second aspect of the present invention, since the leg portion of the conveyed product is fitted into the fitting portion, the integrity with the conveyed product is further ensured and the conveyed item can be conveyed more safely. .
According to the invention described in claim 3, the mounting base can be raised more reliably and stably.
According to the fourth aspect of the present invention, since the leg portion of the conveyed product is fitted into the recess, the integrity with the conveyed product is further ensured and the conveyed product can be conveyed more safely.
According to the fifth aspect of the present invention, the leg portion of the conveyed product is more securely fitted into the recess, and the integrity with the conveyed product is further ensured so that the conveyed product can be conveyed more safely.
According to the invention described in claim 6, it can be used for a plurality of transported objects having different leg portions with a single transporting carriage.
According to the seventh aspect of the present invention, it is possible to more easily manufacture a transport carriage including a mounting base having a plurality of types of concave inner surfaces.
According to the eighth aspect of the present invention, more stable conveyance is possible even when in contact with the uneven portion of the floor surface or at or before or after the curve.

  Since the transportation carriage of the present invention is attached to each leg portion of the transported object and adopts a structure corresponding to the uneven portion and the curve of the floor surface integrally with each leg portion, the transportation carriage is detached. No one can transport safely. Specifically, the transportation carriage of the present invention is reduced in load from the leg portion of the article to be conveyed, such as a transportation carriage that does not contact the uneven portion of the floor surface or a transportation carriage that is located outside when turning a curve. Even if it comes off, the elastic body raises the mounting base so that the leg of the transported object and the mounting base are not separated from each other, so that the integrity with the leg is maintained and it does not come off the leg Has been.

  As shown in FIG. 1 or FIG. 3, the transport cart 1 of this embodiment is a transport cart that is respectively attached to the leg portion of the transport object, and is a mounting base for mounting the leg portion of the transport object. 3 and a carriage base 5 provided below the placement base 3 and provided with a rolling roller 4 at the lower portion thereof. The elastic body 6 acts to raise the mounting base 3 so that the legs of the conveyed product and the mounting base 3 are not separated from each other. Hereinafter, each configuration will be described in detail.

  FIG. 1 is a perspective view of an embodiment of the transportation carriage of the present invention, FIG. 2 is a plan view of the transportation carriage shown in FIG. 1, and FIG. 3 is a partial cross-sectional view taken along line AA of FIG. FIG. 4 is a partial longitudinal sectional view for illustrating the operation of the transportation carriage shown in FIG. 1, and FIG. 5 is a perspective view showing an example of use of the transportation carriage shown in FIG.

  As shown in FIG. 5, the transport cart 1 of this embodiment is a transport cart that is attached to each leg 61 of the transported object 60. In this way, since the transport carriage of the present invention is attached to the leg portion of the transported object, each transport carriage acts integrally for each leg portion, and each leg portion is caused by an uneven portion or a curve on the floor surface. Since it corresponds to different loads individually, the conveyed product can be transported more safely.

  The mounting base 3 is a part for mounting the leg portion 61 of the conveyed product 60, and includes a recess 2 for inserting the leg portion 61 of the conveyed product 60 as shown in FIG. 1 or FIG. Yes. Thus, since the conveyance trolley | bogie of this invention has the fitting part 2 for fitting the leg part of a conveyed product, a conveyance trolley will remove | deviate from the leg part of a conveyed product during conveyance. This is more prevented, and the integrity with the transported object is ensured, so that it can be transported more safely.

  Specifically, the inner surface of the concave portion 2 of the mounting base 3 has substantially the same shape as the outer shape of the lower end portion of the leg portion 61 of the conveyed product 60. In this embodiment, the inner surface of the concave portion 2 of the mounting base 3 has one step as shown in FIG. 1, and the leg portion (leveling bolt) of the conveyed product shown in FIG. ) A shape substantially the same as the outer shape of the lower end portion of 61a and a shape substantially the same as the outer shape of the lower end portion of the leg (leveling bolt) 61b of the conveyed product shown in FIG. 7, both of which can be fitted. It is comprised by the recessed part. In addition, a substantially same shape as the outer shape of the lower end portion of the leg portion (leveling bolt) 61c of the conveyed product shown in FIG. Has been. Further, in this embodiment, on the upper surface of the lower stage, the leg part of the transported object having the same shape as the leg part (leveling bolt) of FIG. (Not shown) can also be inserted.

  Thus, the carriage 1 of this embodiment is provided with a plurality of recess inner surface shapes in which the recess 2 of the mounting base 3 can be fitted with a plurality of different leg portions depending on the transported object. It can be used for a plurality of transported goods with different leg portions.

  And the mounting base 3 provided with the recessed part 2 which has several types of recessed part inner surface shape is formed by laminating | stacking several plates from which a form differs. As shown in FIG. 1 or FIG. 3, the mounting base 3 of this embodiment is configured by stacking three plates 3 a, 3 b, 3 c and fixing them together by a fastening member 7. The plate 3a is formed in a shape obtained by cutting out a part of a circle in plan view, and the plate 3b disposed in the lower stage of the plate 3a is formed in a shape in which a part of a circular shape in plan view is cut out. , Formed wider than the plate 3a. Further, the plate 3c arranged at the lower stage of the plate 3b is formed in a circular shape in plan view wider than the plate 3b. The mounting base 3 is formed by laminating a plurality of plates 3a, 3b, and 3c having different forms as described above, so that the mounting base 3 is formed as a single unit into a concave portion having a plurality of concave inner surface shapes. Thus, it can be easily and inexpensively manufactured.

  The carriage base 5 is a part for holding the mounting base 3 upward and for causing the conveyance carriage 1 to travel, and includes a rolling roller 4 at the lower part. Specifically, as shown in FIG. 2, rolling rollers 4 that can travel in all directions are provided on the lower four sides of the carriage base 5. As shown in FIG. 3, these rolling rollers 4 are provided at the lower portion of the carriage base 5 by a shaft 4a, a fork 4b that rotatably holds the shaft 4a on both sides, and a turning portion 4c to which the fork 4b is fixed. It is configured to be able to travel in all directions. As described above, the rolling rollers 4 capable of traveling in all directions are provided on the lower four sides of the carriage base 5 so as to be more stable even when contacting the uneven portion of the floor surface or at the curve or before and after. Traveling is possible.

  The elastic body 6 holds the mounting base 3 so as to be movable up and down above the carriage base 5 and acts to raise the mounting base 3 so that the legs of the transported object and the mounting base 3 are not separated from each other. Is. By providing such an elastic body 6, among the transport carts 1 attached to the leg portions of the transported object, the transport cart 1 that is not in contact with the uneven portion of the floor surface is located outside when turning around the curve. The elastic body 6 raises the mounting base 3 so that the leg of the transported object and the mounting base 3 are not separated even when the load of the transporting carriage 1 or the like becomes small and is likely to come off from the leg of the transported object. Therefore, the integrity with the leg portion is maintained and the leg portion cannot be removed.

  Specifically, the elastic body 6 of this embodiment is formed of a coil spring. As shown in FIG. 2 or FIG. 3, a fitting portion (recessed portion) is provided between the mounting base 3 and the carriage base 5. ) It is arranged in three directions around 2. More specifically, these elastic bodies 6 are arranged through the plate 3b and the plate 3c between the plate 3a positioned at the uppermost stage of the mounting base 3 and the carriage base 5, and the plates 3a, 3b. , 3c and the carriage base 5 and are attached so as to be extendable by an attachment member 8 and a fastening member 9 inserted into the coil spring 6. As in this embodiment, a part of the spring is also arranged in the mounting base 3, so that the stroke of the elastic body 6 can be increased, and the legs of the transported object and the mounting can be placed. A transport carriage 1 that is not further away from the base 3 can be configured.

  And the elastic body 6 of this Example is supporting the mounting base 3 in the state which floated above the base 5 as shown in FIG. 3 in the state which does not mount a conveyed product. On the other hand, when the transported object is placed, the elastic force of the elastic body 6 is canceled by the load of the transported object as shown in FIG. 4, and the placing base 3 and the carriage base 5 are brought into contact with each other as shown in FIG. Touch. Furthermore, in the case of contact with an uneven portion of the floor surface or a curve, etc., when turning around a transfer carriage or curve that does not contact the uneven portion of the floor surface among the transport carts 1 attached to the leg portions of the conveyed product, respectively. In the transport carriage 1 and the like located on the outer side, as shown in FIG. 3, the elastic body 6 raises the mounting base 3 so that the legs of the transported object and the mounting base 3 are not separated from each other. The unity is maintained so that it does not come off the leg.

  As described above, the transportation carriage according to the present invention is configured so that any transportation carriage does not come off from the leg portion of the object to be conveyed, even when it comes into contact with the uneven portion of the floor surface or curves due to the action of the elastic body. Therefore, even one person can safely carry it.

  In addition, although the elastic body 6 is comprised with the coil spring, the conveyance trolley | bogie 1 of this Example may be anything as long as it has elastic force, for example, is comprised with elastic members, such as rubber | gum. These are also included in the scope of the present invention. Moreover, although the fitting part is formed in the recessed part in the trolley | bogie 1 of this Example, when the lower end part of the leg part of a conveyed product has a recessed part, the fitting part fits into the recessed part. What was formed in the part is also included in the category of the present invention.

It is a perspective view of one Example of the conveyance trolley | bogie of this invention. It is a top view of the conveyance trolley | bogie shown in FIG. FIG. 2 is a partial cross-sectional view taken along line AA in FIG. 1. It is a partial longitudinal cross-sectional view for showing the effect | action of the conveyance trolley | bogie shown in FIG. It is the perspective view which showed the usage example of the trolley | bogie for conveyance shown in FIG. It is a perspective view of the leg part of the conveyed product mounted in the trolley | bogie shown in FIG. It is a perspective view of the leg part of the conveyed product mounted in the trolley | bogie shown in FIG. It is a perspective view of the leg part of the conveyed product mounted in the trolley | bogie shown in FIG. It is a partially notched longitudinal cross-sectional view which shows the use condition of the conventional conveyance trolley | bogie.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Carriage for conveyance 2 Concave part 3 Mounting base 4 Rolling roller 5 Carriage base 6 Elastic body 7 Tightening member 8 Mounting member 9 Fastening member

Claims (8)

A carriage for attachment to each of a plurality of legs of a conveyed product, a placement base for placing the legs of the conveyed product, and a rolling roller provided below the placement base The carriage base is configured to be movable up and down via an elastic body above the carriage base, and the elastic body includes the leg portion of the transported object and the placement base described above. A transport carriage characterized in that the mounting base is raised so as not to be separated from the base.   The carriage according to claim 1, wherein the placement base has a fitting portion for fitting a lower end portion of a leg portion of the conveyed product.   The conveyance cart according to claim 2, wherein a plurality of the elastic bodies are arranged around the fitting portion.   The transporting carriage according to claim 2, wherein the fitting portion is formed in a concave portion.   The carriage according to claim 4, wherein an inner surface of the concave portion has a shape substantially the same as an outer shape of a lower end portion of a leg portion of the conveyed product.   The said recessed part is a trolley | bogie for conveyance of Claim 4 or 5 which has several types of recessed part inner surface shape which can insert several types of leg part which changes with conveyance objects.   The transporting carriage according to claim 6, wherein the plurality of types of inner surface shapes of the recesses are formed by laminating a plurality of plates having different forms.   The transporting carriage according to any one of claims 1 to 7, wherein the cart-based rolling roller is provided in each of the lower four sides of the cart base so as to be able to travel in all directions.

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