JP3183495B2 - Fastening structure of string for tree planting - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a tree planting device
It is hung over the root of a tree and fastened by a winder
Ends A and B of a flat tree planting cord to be separated from each other
Fastened by a string fastening device consisting of a pair of free joint plates 2 and 3.
The present invention relates to a fastening structure for a tree planting string body formed by knotting .

[0002]

2. Description of the Related Art When planting trees that have grown to some extent, in order to withstand strong winds and the like, a plate-shaped tree planting stabilizing device (for example, Japanese Unexamined Patent Publication No.
No. 260862), and a root pot of a tree is placed thereon, and the root pot is tied to a planting stabilizing device, and then the planting hole is backfilled.

By the way, a string for tree planting, such as a belt, used for binding the tree stabilizing device to the root pot of a tree is, for example, inserted into an appropriate place of the tree stabilizing device and then hooked. It is necessary to turn it back and tie it to itself (string for tree planting). Therefore, for fastening such a tree-planting string, a string fastening device 30 as shown in FIG. 4A was used (this string fastening device 30 is exemplified in Japanese Utility Model Publication No. 4-45500). Was done).

[0004] This string fastening device 30 includes three string hanging shafts 3.
1 is sandwiched between a pair of support plates 32, and the folded tree-planting string A is inserted between the string hanging shafts 31 in a zigzag manner as shown in FIG. By utilizing the mutual friction in the portion where the tree-planting string A itself is doubled, escape of the tree-planting string A is prevented.

[0005]

A conventional string fastening device 30
Then, in a typhoon or the like, when a large force is applied to the tree and high tension acts on the tree-planting string A, the tree-planting string A escapes, so that the tree loosens from the tree-planting stabilization device and falls or tilts. I had to wake up. According to the experiment conducted by the applicant, escape of the string A for tree planting occurs relatively easily even with a tension of about 1.5 tons.

[0006] In view of the above circumstances, the present invention provides a fastening of a tree-planting string that can strongly bind a tree-planting string to such an extent that the tree can be prevented from falling or tilting even when a typhoon or the like occurs. The purpose is to provide a structure .

[0007]

SUMMARY OF THE INVENTION Accordingly, the present invention provides
Where the tree was planted from the tree stabilization device
Over the wire and tightened by the winder
One end where both ends A and B of the flat tree planting cord
It is fastened by a string fastening device consisting of a pair of joint plates 2 and 3.
In the fastening structure of planting for cords that one arranged vertically
Both sets of joint plates 2 and 3 have two combinations of crosspieces and through holes
With the same shape of the
Tree planting through a pair of through holes 14a and 14b where the handboard 2 is parallel
Forming hook bars 17 and 18 around which cords A and B are wound
The lower joint plate 3 having the same shape as the upper joint plate 2 is
A pair of parallel through holes 15a, 1 facing the through holes 14a, 14b
5b and a pair of bars 17b facing the hooking bars 17, 18;
18b, and one of the tree-planting strings A is passed through from below.
15a, 14a, hook bars of the upper joint plate 2
17 and then again through hole 15a of the lower joint plate 3
And then pass the other tree planting cord B through the hole from below.
15b, 14b, hook bar of the upper joint plate 2
18 and then again through hole 15b of the lower joint plate 3
Back to pass through, opposite to a pair of tree planting strings A, B
By giving tension in the direction, the tree planting strings A, B
Each of the two joint plates 2, 3 hooking bar 17,
18 and a point formed by clamping from above and below by bars 17b and 18b
It is in.

[0008]

[0009]

According to the string fastening device of the present invention, the tree-planting string is wound in two folds around one of the joint plates having the hook bar, and then the other of the joint plates having the through hole is provided. The joint plate is caused to pass through the tree-planting string (ie, two tree-planting strings) that is folded and doubled by the hook bar.

In this state, if tension is applied to one of the tree-planting strings out of the through-hole, the tree-planting string tends to attract the hooking bar to the hole side, and The two joint plates are in a strong joint state, and a portion of the string for tree planting from the hook bar to the through hole is sandwiched between the joint plates in the joined state.

[0011]

Embodiments of the present invention will be described below with reference to the drawings. 1 and 2 show a string fastening device 1 according to the present invention, and the string fastening device 1 has a pair of joint plates 2 and 3. In FIG. 2, A and B denote flat tree-planting cords to be fastened to each other, and this cord comprises a belt woven with fibers so as not to extend in the longitudinal direction.

As shown in FIG. 3, the tree-planting cords A and B in this embodiment comprise a trunk winding belt 20 wound around the trunk of the tree 8. That is, with respect to the root pot 9 of the tree 8 placed on the tree planting stabilizer 5,
, A binding belt 21 is wrapped around the root of the tree 8 from a plurality of locations around the center stand 6 or at appropriate places of the strut legs 10, and each of the binding belts 21 is
The string fastening device 1 is used at both ends A and B of the main winding belt 20, which is connected to a main winding belt 20 wound around a main trunk.

In FIG. 3, reference numeral 12 denotes the binding belt 2.
This is a winding machine for tightening 1 and applying tension thereto. The pair of joint plates 2 and 3 constituting the string fastening device 1
Are of the same size and shape as each other, and two parallel long holes 14a, 14a are provided at the center of a substantially square plate.
b and 15a, 15b are formed through. In this embodiment, SPC having a thickness of 4.5 mm was used as a material.

As described above, in this embodiment, since the pair of joint plates 2 and 3 are both formed of members having the same shape, one mold or the like for manufacturing the joint plates 2 and 3 is provided. And production costs can be kept low. In one joint plate 2 (upper side of each figure), a portion between the long holes 14a, 14b and the outer sides adjacent to them is used to hook the tree-planting strings A, B in two folds. The hook bars 17 and 18 are used.

In the other joint plate 3 (lower side in each figure), the long holes 15a and 15b themselves are through holes for the tree planting cords A and B, respectively. These holes (long hole 1)
5a and 15b) have opening sizes that allow the tree-planting strings A and B to pass through in a doubled state (that is, two strings). The lower joint plate 3 is connected to the upper joint plate.
Since it is a member having the same shape as the plate 2, the slots 15a and 15
The bars 17b and 18b are formed on the side edge of the joint plate 3 via the b
are doing. And it was arranged so that it overlaps up and down
The pair of joint plates 2 and 3 are used to bridge the tree-planting string B in a combination of the hook bars 17 and 17b and the through holes (the long holes 14a and 15a). That is, one of the tree-planting cords A is inserted into the through hole (elongated hole 15a), wound around the hooking bar 17, and then returned to the through hole (elongated hole 15a). , The other tree planting string B
Is inserted into the through hole (elongated hole 15b), wound around the hooking bar 18, and then returned to the through hole (elongated hole 15b).

[0016] The tree-planting strings A and B are bridged as described above.
By this, the fastening structure of the tree planting string of the present invention is constituted.
When tension is applied to the two strings A and B in opposite directions (left and right directions in FIG. 2), the upper strings are joined by the tree planting strings A and B.
Hook bars 17 and 18 Teban 2 with that become attracted to the hole (long hole 15a and 15b) side of the lower joint plate 3, a strong bonded state becomes both joint plates 2 and 3 with each other As a result, the upper joint in planting for cords a
Hole of the lower joint plate 3 from hooking bar 17 of Teban 2 portions a towards (long hole 15a) is also in the planting for the cords B from above of the joint plate 2 of hooking bar 18 of the lower joint Board 3
The portion b heading toward the through hole (elongated hole 15b) is formed by the hooking bars 17 and 18 and the bars 17b of the joint plates 2 and 3, respectively.
And 18b between the upper and lower sides .

As described above, the frictional resistance generated at the portion where the tree planting string A doubles itself and the portion where the tree planting string B doubles itself, and the tree planting strings A and B By the synergistic action of the tightening force wound around the hook bars 17 and 18 and the joining force of the two joint plates 2 and 3 (the clamping force on the tree planting strings A and B). The locking state will be maintained firmly.

According to the experiment conducted by the present applicant, the tying force of the tree-planting strings A and B can sufficiently withstand a high tension of 3 to 4 tons. The present invention is not limited to the above embodiment. For example, although illustration is omitted, the combination of the hook bar and the through hole is only one set, and
Dedicated to tying cords for tree planting (for example, FIG. 2
(Only the left half of FIG. 2), in which case (on the right side of FIG. 2)
3 may be connected by a hinge so as to be able to freely swing (contact and separate).

Further, the place where the string fastening device 1 of the present invention is used is not limited. For example, the string fastening device 1 can also be used when a tree itself is tied to a pillar or the like. The stringing materials A and B for tree planting are not limited at all in terms of the material, cross-sectional shape and the like.

[0020]

According to the present invention, each of the through holes 14
a, 14b and 15a and 15b and bars 17, 18 and 1
A pair of joint plates 2 and 3 having the same shape with 7b and 18b
Tree planting on one side in a state where they are arranged so that they are overlapped
Insert the cord A from below into the through holes 15a, 14a
Around the hook bar 17 of the other joint plate 2 and then
Back into the through hole 15a of the joint plate 3 of
Insert the cord B from below into the through holes 15b, 14b
After being wound around the hooking bar 18 of the other joint plate 2,
Back into the through hole 15b of the joint plate 3 of FIG.
It is configured to apply tension in opposite directions to the cords A and B.
Therefore, when tension is applied to the tree planting cords A and B that have come out of the lower through holes 15a and 15b, one of the tree planting cords tries to displace in a direction in which the two joint plates 2 and 3 are joined to each other.
Body A is clamped from above and below by hooking bar 17 and bar 17b,
The other tree-planting cord B is hooked by the hooks 18 and 18b.
Since the pinching is performed from below, it is possible to strongly connect the tree-planting strings A and B to each other , and thereby, 3 to 4 tons as described above.
Ties that can withstand high tensions
Was . Then, the pair of joint plates 2 and 3 are both formed in the same shape.
Since it is composed of members, the manufacturing cost of the fastening device 1 can be reduced.
Can be reduced.

[0021]

[Brief description of the drawings]

FIG. 1 is a perspective view showing a string fastening device according to the present invention.

FIG. 2 is a side sectional view showing a use state of the string fastening device according to the present invention.

FIG. 3 is a perspective view showing a tree planting state using the tree planting stabilizer.

4A and 4B show a conventional string fastening device, wherein FIG. 4A is a perspective view, and FIG. 4B is a side sectional view showing a use state.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 string fastening device 2 joint plate 3 joint plate 15 a long hole (through hole) 15 b long hole (through hole) 17 hooking bar 18 hooking bar A, B String for tree planting

Continuation of the front page (56) References JP-A-58-65103 (JP, A) JP-A-61-10104 (JP, A) JP-A-51-138663 (JP, U) JP-A-1-122460 (JP) , U) Jikken 63-21762 (JP, Y2) (58) Fields investigated (Int. Cl. ⁷ , DB name) A01G 23/04 A01G 17/04 F16B 2/08

Claims (1)

(57) [Claims] Claims: 1. A tree-planting stabilizer spans a tree root pot.
For flat tree planting that is tightened by a winder
A pair of joint plates that can freely move both ends A and B of the cord body away from each other
Tree-planting string fastened by a string fastening device consisting of two or three
In the body fastening structure, a pair of joint plates 2, 3 arranged vertically is connected to a crosspiece and a through hole.
Of the same shape having two sets of
By this, the upper joint plate 2 has a pair of parallel through holes 14a,
A hook bar around which the tree-planting strings A and B are wound via 14b.
17, 18, and a lower portion having the same shape as the upper joint plate 2.
A pair of parallel joint plates 3 facing the through holes 14a and 14b
Facing the through holes 15a, 15b and the hooking bars 17, 18
A pair of crosspieces 17b and 18b are formed, and one tree planting cord A is inserted from below into the through holes 15a and 14a.
And wrapped around the hooking bar 17 of the upper joint plate 2
Then, it is returned to the through hole 15a of the lower joint plate 3 again to pass through.
Then, the other tree-planting cord B is inserted through the through holes 15b and 14b from below.
And wrap it around the hooking bar 18 of the upper joint plate 2
After that, it is returned to the through hole 15b of the lower joint plate 3 again to pass through.
Then, tension is applied to the pair of tree-planting strings A and B in opposite directions.
By doing so, each of the tree planting strings A and B
2, 3 hook bars 17, 18 and 17b, 1
Tree planting characterized by being pressed from above and below by 8b
The fastening structure of the cord body .