JP3131422U - Perforated heavy object holder - Google Patents

Abstract

An object of the present invention is to prevent a heavy load such as a foundation block for a fence from being inadvertently removed, and even if moved up and down, does not come off from a heavy load. Provided is a holder for heavy objects with a hole that functions as a work tool for performing tamping of the ground, that is, it is sufficient to dig a hole in the ground for inserting a heavy object with a minimum size.
As shown in FIG. 7 (d), the operation handle 13 is turned in a predetermined direction with the holder 1 for a heavy hole being fully inserted into the hole 55, and the connection brackets 43 and 45 are moved. When driven in directions away from each other, the connection brackets 43 and 45 abut against the inner wall surface 55 a of the hole 55. Further, the operation handle 13 is rotated to drive the connecting brackets 43 and 45 in a direction away from each other, so that they are pressed against and fixed to the inner wall surface 55a of the hole 55.
[Selection] Figure 3

Description

  The present invention is a holder for a heavy object with a hole for lifting a heavy object with a hole such as a foundation block for a fence and transporting it to a predetermined place by lifting it from the ground. It is about.

The base block for the fence is a prismatic member made of concrete and having no protrusions on the surface as clues. Even if the foundation block is small, it is 20 kg or more, and it is quite difficult to lift it with the surface of the fence foundation block without clues.
Then, the holder provided with the latching | locking part latched to the edge of the lower end part of the hole of the foundation block for fences is used.

  This conventional holder has a structure in which, when a downward load is applied to the locking portion, the locking portion opens to lock the foundation block. When using the holder, the locking portion is inserted from above the hole in the foundation block. And the upper end part of a foundation block is pushed, a clearance gap is made between the ground and the lower surface of a foundation block, and a latching | locking part is located in this clearance gap. Next, the holder is connected to the chain block, the foundation block is suspended, and the locking portion is opened and locked.

However, the conventional holder holds the foundation block by locking the locking portion that opens when a downward load is applied to the edge of the lower end of the hole. For this reason, when installing the foundation block on the ground, there is a risk that the locking portion closes and the care block may be inadvertently detached from the foundation block.
In addition, when installing the foundation block for the fence in the hole dug in the ground, it is preferable that the bottom of the hole is tamped so that the foundation block can be stably installed and the foundation block can be prevented from settling after the installation. However, in the conventional holder, as described above, if a downward load is not applied to the locking portion, the locking portion closes and comes off the edge. There is an inconvenience that the bottom surface cannot be tamped.
In addition, some of the conventional holders have some components that protrude to the side of the foundation block. In this case, it is necessary to dig a large hole in the ground to put the foundation block, which is a wasteful work. It will be forced.

  The present invention was made based on the existence of the problems of the background art described above, and there is no risk of inadvertent removal from a perforated heavy object such as a foundation block for a fence. However, it does not come off from the holed heavy object, it also functions as a work tool for tamping the ground where the holed heavy object is moved up and down to install the holed heavy object, and the holed heavy object can be inserted It is an object of the present invention to provide a holder for a heavy object with a hole that is sufficient if a hole in the ground is dug to a minimum size.

  In order to solve the above-mentioned problem, the device described in claim 1 is configured to separate a pair of press contact portions inserted into holes formed in a perforated heavy object and a direction in which the pair of press contact portions are close to each other. It is a holder for heavy perforated objects, characterized in that it is provided with a pressure contact portion driving means that moves in a direction and an operation portion for an operator to grasp.

  According to a second aspect of the present invention, in the holder for heavy perforated material according to the first aspect, the press contact portion driving means moves the rotary motion of the operation portion away from the direction in which the pair of press contact portions approach each other. It is a holder for a heavy object with a hole, characterized in that it is converted into a driving force for operating it.

  According to a third aspect of the present invention, in the holder for the heavy holed object according to the first or second aspect, the pair of pressure contact portions have corner portions, and the weight of the hole is increased when the pressure contact portions are moved away from each other. It is a holder for a heavy object with a hole, characterized in that it is a portion where the top portion on the upper side of the corner portion first comes into contact with the inner wall surface of the hole portion of the object.

  According to a fourth aspect of the present invention, in the holder for heavy perforated material according to any one of the first to third aspects, the operation portion is configured by connecting a horizontal rod and a vertical rod in a T-shape when viewed from the front. An operating handle, grips provided at both left and right end portions of the horizontal rod, and a joint portion provided at a lower end portion of the vertical rod and connected to a screw shaft positioned at an input portion of the press contact portion driving means. It is a holder for a heavy object with holes.

  According to a fifth aspect of the present invention, in the holder for heavy perforated material according to the first aspect, the pair of press contact portions are provided so as to project outward from the lifting arm and the tip of the lifting arm. It is a holder for heavy holes with a hole.

According to the holder for heavy holes with holes of the present invention, there is no risk of inadvertent removal from the heavy holes with holes, and it is possible to ensure work safety.
In addition, since it does not come off the heavy holed object even if it is moved up and down, it also functions as a working tool that moves the heavy holed object up and down to tampen the ground.
Furthermore, it is only necessary to dig a hole in the ground into which a heavy object with a hole is placed, so that work efficiency can be improved.

  A perforated heavy object holder 1 according to the best mode for carrying out the present invention will be described. In the following description, a fence basic block W used in an exterior or civil engineering work will be described as an example of a perforated heavy object to which the present invention is applied.

  The operation unit 3 includes, as a main component, an operation handle 13 configured by connecting a horizontal rod 9 and a vertical rod 11 formed of a metal round steel pipe into a T shape in front view by welding or the like. Further, a grip 15 made of synthetic resin with hooks is provided at both left and right ends of the horizontal rod 9, and a lower end of the vertical rod 11 is connected to a screw shaft 17 positioned at an input portion of the press contact portion driving means 5 described later. On the other hand, the joint part 19 connected integrally in the fixed state is provided.

The motion converting means 5 is a part that converts the rotational motion of the operation unit 3 into a driving force for operating the connecting brackets 43 and 45 as the pressure contact portions in a direction toward and away from each other.
The motion converting means 5 has a screw shaft 17 in the input part, and a link mechanism 21 for operating the connecting brackets 43 and 45 in the direction approaching and separating from each other in the output part. The screw shaft 17 is a member that is integrally connected to the joint portion 19, and rotates in the same direction as the operation portion 3 in response to the rotation of the operation portion 3. A male screw portion 25 is formed on the screw shaft 17.

An upper portion of the screw shaft 17 is rotatably supported by a bearing portion 27, and a nut 29 is screwed to the male screw portion 25.
The bearing 27 is provided with a pivot 31 and, as an example, one end of two links 33 and 35 having a U-shaped cross section are connected to the pivot 31 in a freely rotatable manner. Has been. On the other hand, the nut 29 is similarly provided with a rotation fulcrum 37, and one end of two links 39 and 41 having the same length and the same U-shaped cross section is rotatable with respect to the rotation fulcrum 37. It is connected to the.

As an example, two connecting brackets 43 and 45 having a U-shaped cross section are provided between the upper links 33 and 35 and the lower links 39 and 41 so as to face each other.
Further, rotation fulcrums 47 and 49 are provided above and below the connection bracket 43 located on the left side when viewed from the front, and similarly, rotation fulcrums 51 and 53 are provided above and below the connection bracket 45 located on the right side when viewed from the front. ing.
As shown in FIG. 2, the connection brackets 43 and 45 are inclined so that the upper ends thereof are slightly opened.

The other end of the link 33 located on the upper left side of the front view is pivotally connected to the rotation fulcrum 47, and the other end of the link 39 located on the lower left side of the front view is rotatable. It is connected to the. Further, the other end of the link 35 located on the upper right side of the front view is pivotally connected to the pivot fulcrum 51, and the other end of the link 41 located on the lower right side of the front view is pivoted to the pivot fulcrum 53. Connected freely.
The link mechanism 21 is configured by the six rotation fulcrums 31, 37, 47, 49, 51, 53, the four links 33, 35, 39, 41, and the two connecting brackets 43, 45.

The locking portion 7 is a portion that is inserted into a hole 55 formed at the center of the fence base block W and is locked to the bottom edge 57 of the hole 55 by opening.
Specifically, the locking portion 7 has two lifting arms 59 and 61 connected to the links 39 and 41 of the motion converting means 5, and outwards with respect to the distal ends of these lifting arms 59 and 61. Two locking claws 63 and 65 provided so as to project are provided.

The lifting arms 59 and 61 are formed by curving a metal square bar-like member somewhat inward, and are connected to the links 39 and 41 by welding as an example. Further, the lifting arm 59 connected to the link 39 and the lifting arm 61 connected to the link 41 are provided at positions shifted forward and backward so as not to interfere with each other, and are X-shaped when viewed from the front side. It is designed to cross the chain.
On the other hand, the locking claws 63 and 65 are made of a metal rectangular flat plate member, and each of the four corner portions of the locking claws 63 and 65 is rounded and rounded. Further, the corner portion located at the left front portion of the latching claw 63 and the right rear portion of the latching claw 65 is further curved as compared with the other corner portions, and the bottom edge 57 of the foundation block W for the fence is provided. The guide curved surfaces 67 and 69 are used for smooth engagement.

The lifting arms 59 and 61 are connected to the inner portions of the locking claws 63 and 65 by welding as an example, and the portion protruding outward of the locking claws 63 and 65 is the bottom of the base block W for the fence directly. Locking action surfaces 71 and 73 locked to the edge 57 are formed.
In the state where the connection brackets 43 and 45 are closest to each other, the working diameter of the locking portion 7 (which is the diameter of a circle passing through the maximum outer peripheral portions of the left and right locking claws 63 and 65) D is the base block W for the fence. It is set to be smaller than the inner diameter N of the hole 55, and the working diameter D of the locking portion 7 in the state where the connecting brackets 43, 45 are most separated is the inner diameter N of the hole 55 of the fence base block W. It is set to be larger.

Next, referring to FIG. 7, when the fence base block W is lifted and transported to a predetermined place by using the holder 1 for heavy objects with holes of the present invention, or the ground is tamped. The work will be described.
First, the grip 15 is held and the operation handle 13 is rotated in a predetermined direction so that the connecting brackets 43 and 45 are brought closest to each other as shown in FIG. At this time, the screw shaft 17 also rotates in the same direction simultaneously with the rotation of the operation handle 13, and the nut 29 screwed into the male screw portion 25 formed on the screw shaft 17 moves downward. . Thereby, the connection brackets 43 and 45 connected to the other ends of the links 33, 35, 39 and 41 are driven in directions close to each other.

  Next, as shown in FIG.7 (b), the heavy hole holder 1 is inserted in the hole 55 of the heavy hole holder 1 for fences from the latching | locking part 7 side. Then, the operation handle 13 is turned in a predetermined direction. At this time, the nut 29 screwed into the male screw portion 25 is moved upward by the rotation of the operation handle 13, and the connection brackets 43, 45 connected to the other ends of the links 33, 35, 39, 41 are Driving in directions away from each other, the locking portion 7 gradually opens at the same time.

When the connecting brackets 43 and 45 are driven in directions away from each other, the connecting brackets 43 and 45 abut against the inner wall surface 55 a of the hole 55. As described above, since the connecting brackets 43 and 45 are inclined so that the upper ends thereof are slightly opened, the top portions 44a and 46a of the upper corners 44 and 46 of the connecting brackets 43 and 45 are first inside the hole 55. This is the part that first contacts the wall surface 55a. Further, the operation handle 13 is turned to drive the connecting brackets 43 and 45 in directions away from each other, and the corner portions 44 and 46 are pressed against the inner wall surface 55a of the hole portion 55 to be fixed. As described above, the connecting brackets 43 and 45 are inclined so that the upper ends thereof are slightly opened, so that the top portions 44a and 46a of the corners 44 and 46 of the connecting brackets 43 and 45 are strongly pressed so as to bite into the inner wall surface 55a. To do.
In this manner, the heavy hole holder 1 holds the base block W. In this state, the locking action surfaces 71 and 73 of the locking claws 63 and 65 are locked to the bottom edge 57 of the hole 55 of the fence foundation block W.

Next, as shown in FIG. 7 (c), holding the operation handle 13 raises the fence foundation block W to an upright state again, grasps the grip 15 with both hands, lifts the fence foundation block W upward, Transport to place.
As described above, the heavy weight holder 1 has the corners 44 and 46 of the connecting brackets 43 and 45 in pressure contact with the inner wall surface 55a of the hole 55, and each locking action surface of the locking claws 63 and 65. Since 71 and 73 are locked to the bottom edge 57 of the hole 55 to hold the foundation block W, it is possible to prevent the foundation block W from being inadvertently detached from the holder 1 and to ensure work safety. Can do.

When the fence foundation block W is carried to the target location, the fence foundation block W is lowered into the hole provided in the ground G while adjusting the installation angle.
In this holding tool 1, the corner blocks 44, 46 of the connecting brackets 43, 45 are pressed against the inner wall surface 55 a of the hole 55 to hold the foundation block W, so that even if the foundation block W is lifted together with the holder 1, The base block W is not detached from the holder 1. Therefore, it is possible to grip the bottom of the hole dug in the ground by grasping the grip 15 with both hands, lifting the lifted hand and then loosening the hand holding the grip 15 and dropping the foundation block W by its own weight. That is, the holder 1 also functions as a work tool.

Next, as shown in FIG. 7 (d), the operation handle 13 is rotated in a predetermined direction to drive the connecting brackets 43 and 45 in directions close to each other, and the press contact with the inner wall surface 55a of the corner portions 44 and 46 is released. Further, when the locking portion 7 is closed and removed from the bottom edge 57, and the holder 1 for heavy heavy objects is pulled upward, the installation of the base block W for the fence is completed.
Moreover, in this holder 1, since there is no part which protrudes to the side of the foundation block W, it is sufficient to dig the hole of the ground into which the foundation block W is put into the minimum size, and it becomes possible to improve work efficiency. .

  In the above description, the case where the foundation block W held by the holder 1 is lifted by human power has been described. However, a wire is hung on the operation unit 3 and the wire is connected to a chain block, a self-propelled crane, a shovel car, or the like. The foundation block W may be transported.

Although the best mode for carrying out the present invention has been described in detail above, the specific configuration is not limited to the above-described configuration, and a partial configuration change within the scope of the present invention is not limited. Even if there is, it is included in the present invention.
For example, the object to which the holder 1 for heavy objects with holes of the present invention is applied is not limited to the above-mentioned fence foundation block W, but various other foundation blocks for gardening and exterior, and holes for civil engineering work. It is possible to apply various perforated heavy objects such as various formed concrete blocks.

Further, when the heavy perforated material has a long transport distance, the latching claw 63 is provided so that the heavy perforated material lifted can be once carried on a carriage or moved, or the heavy perforated material can be moved while being dragged. It is also possible to attach a small rolling roller or the like to the bottom surface of 65. It is also possible to use an automobile jack as the operation converting means 5.
In the said embodiment, although it was set as the structure provided with the lifting arms 59 and 61 and the latching claws 63 and 65, this invention is not limited to this, The lifting arms 59 and 61 and the latching claws 63 and 65 are not provided. A configuration is also possible. In the holder of the said structure, the base block W is hold | maintained only by the press contact with respect to the inner wall face 55a of the hole 55 of the connection brackets 43 and 45. FIG.

  The present invention stores and transports perforated heavy objects such as fence foundation blocks, home centers and exteriors that sell such perforated heavy objects, horticultural shops, or perforated heavy objects. It can be used in business fields, etc., and has the potential to be used when it is desired to safely lift a heavy hole with a simple operation and transport it to a target location without taking up space.

[BRIEF DESCRIPTION OF THE DRAWINGS] It is a perspective view which shows the holder of a perforated heavy article based on the best form for implementing this invention. It is a front view when the latching | locking part which shows the holder of a perforated heavy article which concerns on the best form for implementing this invention exists in a closed leg state. It is a front view when the latching | locking part which shows the holder of a perforated heavy article which concerns on the best form for implementing this invention exists in an open leg state. It is a side view when the latching | locking part which shows the holder of a perforated heavy article which concerns on the best form for implementing this invention exists in a closed leg state. It is a bottom view of the state where the latching claw which shows the holder of a perforated heavy article concerning the best form for carrying out the present invention was latched to the perforated heavy article. It is AA sectional drawing in FIG. 3 which shows the holder of a perforated heavy article which concerns on the best form for implementing this invention. It is explanatory drawing which shows the operation | movement procedure using the holder | retainer of a heavy holed object which concerns on the best form for implementing this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Holder with heavy hole 3 Operation part 5 Motion conversion means 7 Locking part 9 Horizontal rod 11 Vertical rod 13 Operation handle 15 Grip 17 Screw shaft 19 Joint part 21 Link mechanism 25 Male thread part 27 Bearing part 29 Nut 31 times Moving fulcrum 33 Link 35 Link 37 Rotating fulcrum 39 Link 41 Link 43 Connecting bracket 45 Connecting bracket 47 Rotating fulcrum 49 Rotating fulcrum 44, 46 Corners 44a, 46a of connecting bracket 51 Rotating fulcrum 53 Rotating Support point 55 Hole 55a Inner wall surface 57 Bottom edge 59 Lifting arm 61 Lifting arm 63 Locking claw 65 Locking claw 67 Guide curved surface 69 Guide curved surface 71 Locking action surface 73 Locking action surface W Fence basic block V Vertical direction D Working diameter N Inner diameter G Ground

Claims (5)

  A pair of press contact portions that are inserted into holes formed in the heavy weight with holes, a press contact portion driving unit that moves the pair of press contact portions in a direction close to each other, and a direction in which the pair of press contact portions are separated from each other; And a holey heavy object holding device.   2. The holder for heavy perforated material according to claim 1, wherein the press contact portion driving means converts the rotational movement of the operation portion into a drive force for operating the pair of press contact portions in directions close to each other and in directions away from each other. A holder for heavy objects with holes, which is characterized by   The holder for a heavy object with a hole according to claim 1 or 2, wherein the pair of press contact parts have corners, and when the press contact parts are moved away from each other, the inner wall surface of the hole part with the heavy hole object has the A holder for heavy perforated materials, characterized in that the top part on the upper side of the corner part is a part that first contacts.   The perforated heavy object holder according to any one of claims 1 to 3, wherein the operating portion is configured by connecting a horizontal rod and a vertical rod in a T-shape when viewed from the front, and the horizontal rod A hole having a grip provided at both left and right end portions and a joint portion provided at a lower end portion of the vertical rod and connected to a screw shaft located at an input portion of the press contact portion driving means. Heavy load holder.   In the holder for heavy holes with holes described in claim 1, the pair of press contact portions includes a lifting arm and a locking claw provided so as to project outward from a tip portion of the lifting arm. A holey heavy object holder characterized by that.

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