JPH03201917A - Connecting means for tree supporting device and part thereof - Google Patents

Abstract

PURPOSE:To obtain the subject connecting means capable of readily performing tightening operation in execution and when loosened by stretching plural cord materials through drawing bolts and engaging units on a connecting plate for mutually connecting the tops of supports. CONSTITUTION:Drawing bolts 6 are assembled in a connecting plate 2 for mutually connecting tops of supports 1 with nuts 5 and further engaging units 7 therein. Both ends of cord materials (chains) (C1), (C2) and (C3) are engaged with the engaging units 7 and the drawing bolts 6 are subjected to tightening operation. The engaging units are then moved outward to draw the cord materials to a tree (T). Thereby, the tree is firmly fixed and supported on the supports.

Description

DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The present invention relates to a connecting means and parts thereof in a support device for a tree planted mainly at a roadway boundary portion of a sidewalk.

<Prior Art> The connecting means and its parts of a conventional tree support device have been bottomed as shown in FIG. 10, for example. That is, a plurality of support columns 1 planted in planting soil, a plurality of arc-shaped connecting tubes 21 that connect the upper portions of these support columns 1 to each other, and a connecting means Y that connects the connecting tubes 21 and the tree T. In the connecting means for burying the curved lower part of the support column 1 in soil, the connecting means Y is
A mounting ring 23 protruding from the mounting piece 22 of the connecting cylinder 21 and the support column 1, a connecting belt 24 fixedly connected to the poly-ring 23 at the same level with respect to the tree T, and each belt 24 placed under the tree. The belt tightening piece 25 and the tightening bolt 26 used to pull it together were causing illumination.

<Problems to be Solved by the Invention> However, in the above-mentioned conventional configuration, each belt 24 circumscribes under the tree at the same level, and the reaction force F of the force of the belt 24 pressing against the tree T and the crosswind caused by the tree T. The applied force acts as a force that separates the pair of opposing belts 24, so as it is used, the tightening piece 25 gradually moves away from the tree T and toward the support column ■, causing it to move against the underside of the tree. As the belt 24 becomes loose, the support under the tree becomes incomplete.

In addition, since the tightening bolt 26 is located inside the connecting tube 21,
Tightening during construction and when loosened is difficult. Furthermore, the structure of the connecting tube 21, the mounting piece 22, and the ring 23 has a large number of parts and there are welded parts, so there is a problem that it is expensive.

Therefore, the present invention provides a connection means for a tree support device that is easy to work with and inexpensive, and that prevents the tree support from gradually becoming incomplete with use, and that can be tightened both during construction and when loosened. The purpose is to provide parts.

Means for Solving the Problems The means for solving the problems according to the present invention is to connect a plurality of support columns 1 planted in planting soil S and the upper parts of these support columns 1 to each other, as shown in FIGS. A connecting plate 2, a connecting means 3 for connecting the connecting plate 2 and the tree T, and a lower part of the support column 1 are planted with soil S.
A tree support device comprising anchors 4 embedded and fixed therein, pulling bolts 6 disposed at a plurality of locations on the outer surface of the connecting plate 2 and passing through the connecting plate 2, and the pulling poles 1- 6 and a plurality of U-shaped cable members C1, C2, and C3, both ends of which are engaged with the engaging body 7. It is something.

Effect> In the above problem solving means, first, a plurality of (three) support columns 1 are planted in the planting soil S. Next, the top of support column 1 is
The connecting plate 2 is connected with a mounting bolt 9, a tensioning bolt 6 is assembled with a nut 5, and an engaging body 7 is assembled to this tensioning bolt 6.

Next, after surrounding the trunk of the tree T with the first rope material (Che 7) C1 to make it into a U-shape, the engaging body 7 is rotated by hand to the extent that both ends of the tree T do not slacken in the inner and outer directions (A -B arrow), and then engage both ends with the engaging body 7. Next, the second cable material C2 is placed below the first cable material C1, and the third cable material C3 is surrounded by the trunk of the tree T and engaged with the claw 7b of the engaging body 7.

Next, the tension nut 5 is tightened based on the external measurement of the connecting plate 2.

As a result, the pulling bolt 6 cannot rotate idly due to the presence of the engaging body 7, so it moves outward (in the upward direction of A), and the engaging body 7 also
As it moves toward the sky, the three cable members C1, C2, and C3 are attracted to the tree T, and the tree T is firmly fixed and supported by the support column 1.

At this time, the reaction force F of the force of each rope material pressing against the underside of the tree is not converted into a force that rotates the engaging body 7 or the tension bolt 6, so that the rope material does not loosen unexpectedly.

In addition, the work of tightening the pulling nut 5 during the above-mentioned assembly,
Tightening the nut 5 when tightening or loosening the tension bolt 6 in the case of repair or the like is done from the outside of the connecting plate 2, so it is very easy to do.

<Embodiments> Hereinafter, embodiments of the present invention will be described with reference to the drawings.A tree support device including a first embodiment of the connecting means of the present invention includes a plurality of support columns 1 planted in planting soil S, A plurality of arc-shaped connecting plates 2 that connect the upper parts of these supporting columns 1 to each other, connecting means 3 that connects the connecting plates 2 and the tree T, and a curved lower part of the supporting column L are buried in the planting soil S. It consists of an anchor 4 for fixing.

The connecting means 3 includes a pulling nut 5 arranged at a plurality of locations on the outer surface of the connecting plate 2, and a pulling nut 5 whose outer end is screwed to the pulling nut 5 and which is penetrated through the connecting plate 2. bolt 6
, an engaging body 7 that is a part of the tension bolt 6 and is screwed into the intermediate part inside the connecting plate 2, and a main body 7 of this engaging body 7.
A pair of claws 7b formed on both sides, and U-shaped first, second, and third ropes for enclosing a tree whose ends are engaged with the claws 7b of the engaging body 7 and do not interfere with each other in the height direction of the tree T. Material (Che 7
) C1, C2, C3, and a flexible protective sleeve 8 fitted around each of the cables.

The engaging body 7 is a vertical body with a central internal thread 7C.

7a, and a pair of claws 7b integrally formed on both sides thereof.

Further, the connecting plate 2 includes a large arc-shaped connecting piece 2a of the three tree support devices, a small semicircular outer mounting piece 2b made of a thick plate and convex on the outside, and other parts of the connecting piece 2a. A small semicircular inner mounting piece 2C with an inner convex integrally formed on the end side, a countersunk-shaped support pillow mounting bolt 9 hole 2d drilled at the other end side 2b, 2C of the connecting piece, and each of the above-mentioned It is comprised of a plurality of holes 2e for tension bolts 6 drilled in the connecting piece 2a.

Next, the construction and assembly method will be explained.

First, the planting soil S at the construction site is dug up, the lower part of the support column 1 with multiple (three) anchors 4 is buried in the planting soil S, and the support column 1 is planted in the planting soil S. Next, the upper part of the support column 1 is connected to the connecting plate 2 with a mounting bolt 9, and a tension bolt 6 is attached to the tension bolt 6 with a nut 5, and an engaging body 7 is mounted 1r-1 on the tension bolt 6.

Next, the first rope material (Che 7) C with the protective sleeve 8 fitted on the outside
After enclosing the trunk of the tree T to make it into a U-shape in step 1, rotate the engaging body 7 by hand to adjust it in the inward and outward directions (A-B arrows) until both ends do not sag, and then tighten both ends. It is engaged with the claw 7b of the engaging body 7.

Next, the second cable material C2 is placed below the first cable material C1, and the third cable material C3 is surrounded by the trunk of the tree T and engaged with the claw 7b of the engaging body 7.

Next, the tension nut 5 is tightened from the outside of the connecting plate 2.

As a result, the tension bolt 6 cannot rotate idly due to the presence of the engaging body 7, so it moves outward (in the A top direction), and the engaging body 7 also moves in the A top direction, so the three cable members C1, C2, C3
is attracted to the tree T, and the tree T is firmly fixed and supported by the support column 1.

At this time, the reaction force F of the force of each rope material pressing against the underside of the tree is not converted into a force that rotates the engaging body 7 or the tension bolt 6, so that the rope material does not loosen unexpectedly.

In addition, the work of tightening the pulling nut 5 during the above-mentioned assembly,
Tightening the nut 5 when tightening or loosening the tension bolt 6 in the case of repair or the like is done from the outside of the connecting plate 2, so it is very easy to do.

Further, the single engaging body 7 and the single connecting plate 2 have no welded parts and can be formed by bending thick plates, so they can be manufactured at extremely low cost.

Next, the second embodiment will be explained with reference to FIGS. 8 and 9. In this embodiment, the tensioning bolt 6 and the engaging body 7 are changed from the first embodiment, and the engaging body 7 is connected to the connecting plate by the nut 6a and the tensioning bolt 6. 2, and both ends of the cable members C1, C2, and C3 are removably engaged with the distal end engagement bolt 7d of the U-shaped engagement body 7. The other configurations and operations are the same as in the first embodiment.

It should be noted that the present invention is not limited to the above embodiments, and it goes without saying that many modifications and changes can be made to the above embodiments within the scope of the present invention. For example, the number of support columns may be two or four. etc. Either is fine.

<Effects of the Invention> As is clear from the above description, in the present invention, the connecting means for connecting the connecting board and the tree are arranged at a plurality of locations on the outer surface of the connecting board and are passed through the connecting board [°1]. a pulling bolt, an engaging body that is a part of each pulling bolt and is screwed to an intermediate portion inside the connecting plate, and a plurality of U-shaped rope members whose both ends are engaged with the winter break body. It consists of.

Therefore, according to the present invention, the tensioning bolt (or the tensioning nut screwed onto the tensioning bolt) is inserted from the outside of the connecting plate.
When tightened, the pulling pole I cannot rotate idly due to the presence of the engaging body and the rope, so the engaging body moves outward, the rope is attracted to the tree, and the tree is firmly attached to the support column. Fixed support. At this time, the reaction force of the force of each rope material being pressed against the tree is not converted into a force that rotates the engaging body or the tension bolt, so the rope material does not loosen unexpectedly. Furthermore, the work of tightening the tension bolt during assembly and the work of tightening and loosening the tension bolt during repair can be done from the outside of the connecting plate, making it very easy to perform.

Further, in the present invention, the engaging body of the connecting means is composed of a central female-threaded vertical body and a pair of claws integrally formed on both sides of the vertical body, and furthermore, the connecting plate of the connecting means has three parts. A component of the large arc-shaped connecting means of the support device, which is made of a thick plate and has a small semicircular outer mounting piece with an external convexity, a small semicircular inner mounting piece with an inner convexity integrally formed on one end thereof, and the above-mentioned connection. It consists of a support column mounting bolt hole drilled at the other end of the piece and a pull bolt hole drilled in each of the connecting pieces, so that the engaging body alone and the connecting plate alone can be used. Since there are no welded parts and it can be formed by bending a thick plate, it has the advantage of being extremely inexpensive to manufacture.

[Brief explanation of drawings]

Fig. 1 is a plan view of an embodiment of the connecting means of the tree support device of the present invention assembled to the trunk of a normal tree, Fig. 2 is a plan view of the assembled state when the trunk of the tree is lopsided, and Fig. 3 is a plan view of the drawing bolt and engaging body part, FIG. 4 is a side view of the same part,
Fig. 5 is a front view of the same part, Fig. 6 is a cross-sectional plan view of the connection plate and support column connection part, Fig. 7 is an overall side view of the tree support device,
No. 8 is a plan view of a second embodiment of the connecting means of the present invention, FIG. 9 is a cross-sectional plan view of the connecting plate and the engaging body, and FIG. 10 is a plan view of a conventional example. S: Planted soil, L: Support column, 2: Connecting plate, T/tree, 3: Connecting means, 4: Anchor, 6: Attachment bolt, 7: Engaging body,
C1, C2, C3: U-shaped rope material.

Claims (1)

[Scope of Claims] 1. A plurality of support columns planted in planting soil, a connecting plate that connects the upper parts of these support columns, a connecting means that connects the connecting plate and a tree, and A tree support device comprising an anchor whose lower part is buried and fixed in planting soil,
Pulling bolts arranged at a plurality of locations on the outer surface of the connecting plate and passing through the connecting plate; and an engaging body that is part of each pulling bolt and is screwed into an intermediate portion inside the connecting plate. , and a plurality of U-shaped cable members having both ends engaged with each of the engaging bodies. 2. An engaging body, which is a part of a connecting means of a tree support device, and is characterized by consisting of a central vertical body with internal threads and a pair of claws integrally formed on both sides of the vertical body. 3. Parts of the connecting means of the tree support device, including a large circular arc-shaped connecting piece with an outward convexity made of a thick plate, a small semicircular outer mounting piece with an outwardly convex integrally formed on one end side of the connecting piece, and a connecting piece of the connecting piece. A small semicircular inner mounting piece with an inner convexity integrally formed on the other end side, holes for support column mounting bolts drilled in these inner and outer mounting pieces, and holes for pulling bolts drilled in each of the connecting pieces. A connecting plate comprising: