JP2003304753A - Pile - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a pile which is hardly pulled out and is hardly pushed since a film for covering a tunnel greenhouse is fixed by tying strings to the film, the strings are tied to piles and when a strong wind blows, the film is flapped and the piles are pulled out or adversely pressed. <P>SOLUTION: The pile 100 comprises a bar-like main body part 110 having the tip made into an insert part 112, a string tying part 120 which is arranged at the top of the main body part 110 so as to intersect with the main body part and a nipping piece 130 which is arranged in parallel with the main body part 110 with a gap 140 between. When the pile 100 is driven in, the pipe 31 of the tunnel greenhouse is nipped in the gap 140. A string for pressing the film is tied to a string tying ring 121 at the tip of the string tying part 120. When tension is applied to the string by the strong wind, the main body part 110 is made to rotate but is not rotated since the pipe 31 is introduced into the gap 140. The pile 100 is neither pulled out nor pressed. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pile used for suppressing sheets and transparent films covering tunnel houses.

[0002]

2. Description of the Related Art There are many vegetables typified by tomatoes and fruits such as watermelons and melons which are cultivated in a tunnel type greenhouse called a tunnel house. FIG. 22A is a front view showing a part of the tunnel house. The tunnel house 30 pierces the ground with the semicircular pipes 31 at equal intervals so as to straddle the ridges of the field.
The film 32 is covered on the top. The pipe 31 is made of metal or resin, and the film 32 is a thin vinyl film. Since the film 32 is longer than the length of the pipe 31, the hem of the film 32 reduces the gap with the ground to improve heat retention.

The film 32 is hooked by hanging a string 35 from above. The string 35 is, as shown in FIG.
It is hooked by tying it to the pile 36 driven into the root of the.
The end of the string 35 is tied to an appropriate place such as a pile driven into the end of the tunnel house 30.

[0004]

Such a tunnel house 30 is at its peak from February to May, but in early spring, there are many days with strong winds, as typified by spring first. Become. Then, in response to the strong wind, as shown in FIG. 22 (b), the film 32 is greatly swollen between the strings 35 and 35, or is strongly pressed against the pipe 31 contrary to FIG. 22 (b). The space between the pipes 31 and 31 is dented, etc. Then, when the film 32 swells, a large tensile force is applied to the cord 35, and this tensile force acts in the direction of pulling out the pile 36. On the contrary, when the film 32 receives a dented wind, wind pressure is applied to the pipe 31 and the pipe 31 may be pushed into the ground.

On the other hand, the soil in the fields around February and March is dry, and the force for holding the piles 36 is weak, and the piles are pulled out by the above-mentioned pulling force, or conversely, the pipes 31 are pushed in to deeply in the ground. There are times when you get underneath. As a result, the string 35 is broken, the film 32 is broken, and the space in the tunnel house is narrowed, which causes a great deal of damage to the crop being cultivated.

Therefore, as shown in FIG. 24, a method of driving the stakes 36 at an angle of about 45 ° to 60 ° to the ground was considered. By doing so, since the direction of the tension applied to the cord 35 and the direction of the pile 36 are different, even if a relatively large tension is applied to the cord, the pile is unlikely to come off.

[0007] However, the above method is only a little difficult to remove, and is not a fundamental solution. Moreover, it is not possible to prevent the pipe from being pushed in.

The present invention has been made in view of the above circumstances, and a first object thereof is to provide a pile which is hard to pull out. A second object is to provide a pile in which the pipe of the tunnel house is hard to be pushed.

[0009]

In order to achieve the above-mentioned first object, the pile of the present invention has a rod-shaped main body portion, and is provided on the upper end side of the main body portion so as to intersect the main body portion. It is characterized by having a string hooking portion and a rotation restraining portion that restrains the rotation of the main body portion.

The rotation inhibiting portion may be a sandwiching piece provided with a gap maintained between the rotation inhibiting portion and the body portion, or the rotation inhibiting portion may be a protruding piece formed on the insertion portion. Can be In addition, it is possible to give elasticity to the string hooking portion or form a string hooking ring at the tip.

In order to achieve the above-mentioned second object, the pile of the present invention comprises a rod-shaped main body, a sandwiching piece provided on the upper end side of the main body with a gap between the main body, and the main body. It is characterized in that it has a string hook portion provided on the upper end side of the portion, an outer cylinder into which the main body portion is inserted, and an elastic piece provided on the outer cylinder and capable of contacting the holding piece. .

As another structure, a rod-shaped elastic material is U
A main body formed by bending the main body into a letter shape; a plate-shaped member having a hole through which two legs of the main body are inserted; and a string hooking portion provided on the plate-shaped member. It is characterized by that.

[0013]

Embodiments of the present invention will be described in detail below with reference to the drawings. FIG. 1 is a front view of the pile of the present invention. The pile 100 shown in the figure has a rod-shaped main body 110, a string hook 120 that is provided so as to project orthogonally to the upper end of the main body 110, and the middle of the string hook 120 is parallel to the main body 110. The holding member 130 is an extending rod-shaped rotation suppressing portion. It is desirable that all of these be made of metal, but they can be made of synthetic resin and integrally molded.

The body portion 110 has a sharp tip 111, and about half of the body portion 110 on the tip 111 side is an insertion portion 112 that is driven into the ground. String hook 1
Reference numeral 20 is a short rod shape, and a string retaining ring 121 is formed at the tip thereof. The sandwiching piece 130 has a gap 1 between itself and the main body 110.
The pipe 31 of the tunnel house 30 is inserted into and sandwiched by 40 to suppress rotation of the main body 110. Gap 1
40 is large enough to fit the pipe 31 loosely. String hook 1
Although 20 is provided at the upper end of the main body 110 in this embodiment, it is not limited to the upper end and may be slightly below.

FIG. 2 is a view showing a usage state of the pile 100. The pile 100 has the pipe 3 at the base of the arc-shaped pipe 31.
It is inserted in the soil so that it intersects with 1. And
The pipe 31 is inserted into the gap 140 between the main body 110 and the sandwiching piece 130. The string 35 that holds down the film 32 is tied to the string hook ring 121 and hooked so as not to slip.

After driving the pile 100 as shown in FIG. 2, when the strong wind blows, the film 32 is fanned and, as described above, the cord 3
Tensile force is applied to 5. In the case of the present invention, this tensile force is
00 will be transmitted to the string retaining ring 121. The force applied to the string retaining ring 121 tends to rotate the main body 110, but since the pipe 31 is inserted into the gap 140 between the main body 110 of the pile 100 and the sandwiching piece 130, the pipe 31 Prevents the pile 100 from rotating. Also, the stronger the tensile force, the more the pile 100 becomes the pipe 31.
Since the force that presses against the pipe becomes large, the pile 100 is
It becomes difficult for the pile 100 to move in the lengthwise direction due to the frictional force between the pile 100 and the pile 100, and the pile 100 is not pulled out from the soil. Therefore, the film 32 is still firmly pressed, is not broken, and is not detached from the pipe 31, so that the tunnel house can be prevented from being damaged.

FIG. 3 is a modification of the pile 100 of FIG.
In the pile 101 shown in this example, a short string hooking base 115 is provided at the upper end of the main body 110, and a string hooking part 122 made of spring steel such as a piano wire is attached to the tip of the short hook. The tension applied to the cord 35 by wind or the like exerts an impact, but due to the elasticity of the cord hook 122, the cord 35 is pulled from the cord 35.
It is possible to reduce the impact force transmitted to 01.

In the pile 102 of FIG. 4, the portion of the cord hooking portion 122 is replaced with a hairpin-shaped cord hooking portion 123 made of a piano wire. Similar to the case of FIG. 3, the string hook 1
With the elastic force of 23, the impact force applied to the pile 102 can be relaxed.

In FIG. 5, instead of the linear holding piece 130,
The pile 103 provided with the curved clamping piece 131 is shown.
The sandwiching piece 131 is a leaf spring made of spring steel or the like, and the tip end thereof is almost in contact with the main body 110. The tip portion is opened and the pipe 31 is accommodated in the gap 141. Compared to the piles 100, 101, 102 described above, the pipe 31
Can be prevented from coming out of the gap 141.

The pile 104 shown in FIG. 6 is an example in which a triangular plate-shaped projection piece 150 is provided on one side of the tip of the main body 110 as a rotation restraining portion instead of the holding piece 130. This protruding piece 1
50 enters the soil and suppresses the rotation of the main body 110.
The usage is the same as the pile in FIG.

FIG. 7 shows a pile 105 provided with an L-shaped projection piece 151 as a rotation inhibiting portion near the tip of the main body 110. The pile 106 of FIG. 8 is an example in which triangular plate-shaped projecting pieces 152 are attached as rotation inhibiting portions on both sides of the tip of the main body 110, and the pile 107 of FIG. 9 is rotated by bending the tip of the main body 110. An example in which the projection piece 153 is formed as a restraint portion will be shown. 6 and 7 are the same as those in the embodiment of FIG. 1, the string retaining portion 123 of FIG. 8 is the same as the embodiment of FIG. 4, and the string retaining portion 122 of FIG. This is the same as the third embodiment.

Although not shown, the main body 110 may be a quadrangular prism (either solid or hollow), or may be formed with an L-shaped angle or a U-shaped channel.
Such a configuration is similar to that of the embodiment shown in FIGS.
It can be considered as a combination of 2 and 153.

FIG. 10 is a diagram showing an embodiment of a pile 200 using an outer pipe. Further, FIG. 11 is an exploded view of the pile 200, showing a state before assembly. The piles shown in the examples up to FIG. 9 have a sufficiently large force to resist pulling out, but have little effect on the pushing of the pipe 31. The pile 200 shown in this embodiment is a pipe 3
It is also resistant to the force of being pushed in.

As shown in FIG. 11, the pile 200 shown in FIG. 10 is an embodiment in which a pile similar to the pile of the embodiment of FIG. 4 is inserted into the outer cylinder. That is, the pile inserted into the outer cylinder has a protrusion 220 on the upper end of the main body 210, and a string hooking portion 223 having an annular piano wire attached to the tip of the pile 220. A sandwiching piece 230 parallel to the main body 210 is provided. Main body 210 and sandwiching piece 230
A gap 240 is formed between and. On the other hand, a leaf spring 270 as an elastic piece is fixed to the upper end of the outer cylinder 260. A wire 250 extends from the lower end of the main body 210. As shown in FIG. 10, when the main body 210 is inserted into the outer cylinder 260, the wire 250 projects from the tip of the outer cylinder 260. ing. Therefore, the outer cylinder 26
After inserting the wire 250, the tip of the wire 250 is bent as shown in FIG.

FIG. 12 is a view showing a state where the pile 200 of FIG. 10 is used. The pile 200 is driven into the root of the pipe 31 of the tunnel house with a hammer or the like so that the angle α is about 45 ° to 60 °. And pile 20
When 0 is driven, the sandwiching piece 230 elastically deforms the leaf spring 270 so that the pipe 31 of the tunnel house can enter the gap 240. Figure 1
As shown in FIG. 3, the sandwiching piece 230 is pressed against the pipe 31 by the elasticity of the leaf spring 270. Therefore, when the driving of the pile 200 is finished, the pipe 3
There is no rattling between 1 and the pile 200, and the pile 200 is in a state of being pressed and clamped between the pipe 31 and the clamping piece 230 by the elastic force of the leaf spring 270. With such a configuration, even when a force such as wind pushes the pipe 31 into the soil, the pile 200 firmly presses the pipe 31 with the leaf spring 270, so that the pipe 31 is pushed into the soil. Can be prevented.

Incidentally, the string 35 hooked on the string hooking portion 223.
When tensile force is applied to the pile 20, as described above,
A force in the direction of exit is applied to 0. On the other hand, the pushing force does not act on the pipe 31. Therefore, at this time, the plate spring 270 does not have to hold down the pipe 31. For this reason, the leaf spring 270 is only required to press the sandwiching piece 230 against the pipe 31 when no tension is applied to the cord 35. However, in this case, pile 2
00 must be prevented from falling out. In this regard, when tension is applied to the cord 35, the main body 210 may be rotated in a direction in which the pressing force of the leaf spring 270 is increased, but the main body 210 may be clamped with the main body 210 by rotating it in the opposite direction. Piece 23
0 rotates to the position shown by the dotted line in FIG. 13 and stops, and thereafter, the pulling force can be endured by the frictional force. The leaf spring 270 separates from the pipe 31, but the pipe 3
No pressing force is applied to 1, so there is no problem.

FIG. 14 shows a pile 2 as a modified example of the pile 200.
It is a figure which shows the upper part of 01. Although the basic structure is the same as the pile 200 of FIG. 10, the length of the main body 210 is equal to that of the outer cylinder 2.
It is characterized by being considerably longer than the length of 60. As a result, the distance between the leaf spring 270 and the protrusion 220 increases, and when the pipe 31 enters the gap 240, the leaf spring 270 closes the outlet of the gap 240.

In the pile 200 of FIG. 10 and the pile 201 of FIG. 14, the main body 210 and the protrusion 220 may be formed by bending one end of a single thin pipe at a right angle. In that case, the cord hook 223 and the wire 250 may be integrated and inserted into the thin L-shaped pipe.

It is also possible to replace the stopper 251 with the projection pieces 150, 152, 153 shown in FIGS. 6, 8 and 9. However, such a protrusion piece as a rotation restraining portion is attached to the main body 210 after the main body 210 is inserted into the outer tube 260. Alternatively, the protruding pieces 150, 152, 153 may be attached near the lower end of the outer tube 260.

Since the piles 200 and 201 of the type using the outer cylinder 260 shown in FIGS. 10 and 14 have the outer cylinder,
Since the pile becomes thicker, the strength of the bond with the soil becomes stronger, making it suitable for large tunnel houses.

FIG. 15 is a view showing an embodiment of a pile in which two members are combined. In the pile 300 of this embodiment, the L-shaped main body 310 is provided with another member 320 in which the rotation restraining portion and the cord hooking portion are integrated with each other and fixed with a rubber cord or a cord 321 for use. The U-shaped folded portion of the separate member 320 serves as an annular cord hooking portion 322, the straight portion serves as a holding piece 323 as a rotation inhibiting portion, and a gap 330 is provided between the holding piece 323 and the main body portion 310. With such a structure, the structure of the pile of the present invention can be simplified and the cost can be reduced.

The shape of the separate member 320 can be variously changed. Further, the string hooking portion 322 does not necessarily have to be a closed ring, and may be a C-shape with a part opened. An open ring has a characteristic that it is easy to pass the string but is easily pulled out, and a closed ring has a characteristic that it is difficult to pass the string but it does not come off.

FIG. 16 shows an embodiment of a pile in which the cord hooking portion is inclined, and (a) is a front view. This pile 400 is the main body 4
In the vicinity of the upper end of 10, the inverted L-shaped holding piece 4 is provided as a rotation suppressing portion.
20 is attached, a dogleg-shaped cord hooking portion 430 is attached to the upper end, and a cord hooking ring 431 is attached to this tip. The inclination angle α of the string hook 430 is 45 ° to 6 °.
It is about 0 °.

FIG. 16 (b) is a view showing a usage state of the pile 400. The main body part 410 is the same as the angle α of 45 ° ~
The pipe 31 is driven into the gap 440 so that the pipe 31 enters the gap 440. At this time, since the string hooking portion 430 is bent in a dogleg shape, it is possible to lower the height of the upper end of the pile 400 when the string hooking ring 431 is lowered to the ground. Since the length of the film 32 (see FIG. 22) has a slight margin, even if the hem of the film 32 is lifted at the upper end of the pile 400, no gap is formed between the film 32 and the ground.

FIG. 17 is a view of a modified example of the pile 400, (a) is a front view and (b) is a right side view. The pile 401 has a string hooking part 450 attached to its tip and a string hooking ring 451 at its tip.
It is characterized in that it is three-dimensionally bent at two places, a connecting portion 452 with 0 and an intermediate portion 453. With such a configuration, the same effect as that of FIG. 16B can be obtained.

FIG. 18 shows an example of a pile having a structure different from the above, and FIG. 18 (a) is a diagram showing a state when the pile is driven,
(B) is a diagram showing a state after driving. The pile 500 of this embodiment is a thick piano wire of about 8th wire, or
A round plate member 52 having a main body 510 formed by bending a thin round bar of spring steel having a diameter of about 3 mm into a U shape, and holes 521 and 521 through which both legs of the main body 510 are inserted.
It consists of 0 and. The plate-like member 520 is attached with a string hook 530 made of the same piano wire as the main body 510.

With the plate member 520 moved to the lower portion of the main body 510 as shown in FIG. 18A, the upper portion of the main body 510 is hit with a hammer or the like to drive the pile 500 into the ground.
After that, the string 35 for pressing the film 32 is attached to the string hooking portion 53.
Hang at 0.

When a tensile force acts on the string 35, this force is
In addition to the string hooking portion 530, the main body portion 510 acts as a twisting force as shown in FIG. Since the main body portion 510 is buried in the ground, this twisting force causes stress in the underground pile 500, which is strongly pressed against the soil and increases the force for gripping the soil, so that the pile 500 is pulled out. Can be prevented. The plate member 520 is the tunnel house 30.
Can be used to hold down the film 32.

FIG. 20 is a view showing a state in which the pile 500 is used for locking the ordinary seat 50. The seat 50 is
A large number of holes 51 are provided around the periphery at substantially constant intervals. The pile 500 is arranged so as to surround the periphery of the seat 50,
Be driven in. Then, the hole 51 is hooked on the string hook 530 of the pile 500 to be locked. Even if the seat 50 is fanned by the wind, it acts as a twisting force on the pile 500, so that it can be firmly held without being pulled out easily.

The cord hooking portion 530 and the hole 51 are locked by the cord hooking portion 530 and the hole 51 in addition to the method of directly hooking the hole 51 by providing an opening in the cord hooking portion 530. Alternatively, it may be tied with a string (not shown).

FIG. 21 shows a modification of the pile shown in FIG. In the pile 501 of this embodiment, one rod-shaped member is folded in two, the fold line is twisted to form a cord hook hole 551a, and the cord hooked hole 551a is bent at a position slightly apart from this hole, so that two substantially parallel rod-shaped members 552a, 552a. The two rod-shaped members 552a and 552a are the main body 552, and the rod-shaped members 552
The part from a bent portion at the upper end of a, 552a to the string hooking hole 551a becomes the string hooking part 551. That is, this pile 501 is
The pile member 500 of FIG. 19 is obtained by removing the plate member 520. The method of use is the same as the pile 500 of FIG. The pile 501 has two rod-shaped members 552a, but a configuration having two or more rods is also possible. The string hook 551 may be fixed by welding or the like as a separate member. Further, the method of making the string hook hole 551a is not limited to the illustrated example.

[0042]

As described above, in the pile of the present invention, the rod-shaped main body having the insertion portion to be inserted into the soil on one end side and the main body portion on the other end side of the main body portion. Since it has a structure that has a string hooking part extended to and a rotation restraining part that suppresses the rotation of the main body part, the tensile force applied to the string is applied as a force to rotate the pile, and the rotation provided on the pile The restraint suppresses the rotation of the pile, increasing the bonding force between the pile and soil,
It becomes difficult to come off.

A rod-shaped main body portion, a holding piece provided on the upper end side of the main body portion with a gap between the main body portion, a string hook portion provided on the upper end side of the main body portion, and the main body described above. When the outer cylinder into which the part is inserted and the elastic piece provided on the outer cylinder and capable of contacting the sandwiching piece are provided, it is possible to prevent the pipe from being pushed into the soil.

[Brief description of drawings]

FIG. 1 is a front view of a pile of the present invention.

FIG. 2 is a view showing a usage state of the pile of FIG.

FIG. 3 is a modification of the pile of FIG.

FIG. 4 is a modification of the pile of FIG.

5 is a modification of the pile of FIG.

FIG. 6 is a modification of the pile of FIG.

FIG. 7 is a modification of the pile of FIG.

FIG. 8 is a modification of the pile of FIG.

9 is a modification of the pile of FIG.

FIG. 10 is a diagram showing an example of a pile using the outer pipe of the present invention.

11 is a diagram showing a state before assembling the pile of FIG.

FIG. 12 is a view showing a state where the pile of FIG. 10 is used.

13 is a diagram viewed from AA in FIG.

14 is a diagram showing a pile as a modified example of the pile of FIG.

FIG. 15 is a diagram showing an example of a pile in which two members are combined.

16A and 16B are views showing an embodiment of a pile in which the cord hooking portion is inclined, FIG. 16A is a front view of the pile, and FIG. 16B is a view showing a usage state.

FIG. 17 is a view of a modified example of the pile of FIG. 16, (a) is a front view,
(B) is a right side view.

18 (a) and 18 (b) are diagrams showing a state when the pile is driven, and (b) is a diagram showing the state after the driving, in the examples of the piles having different configurations.

19 is a view showing a state where the pile of FIG. 18 is twisted.

FIG. 20 is a view showing a state where the pile of FIG. 18 is used for locking a normal seat.

FIG. 21 is a view showing a modified example of the pile of FIG.

FIG. 22 is a diagram showing a part of a conventional tunnel house,
(A) is a front view of a normal state, (b) is a figure which shows the state which the tunnel house received the strong wind and the film swelled.

FIG. 23 is a view showing a state in which a pile is driven almost vertically into a pipe of a tunnel house.

FIG. 24 is a view showing a state in which a pile is driven obliquely into a pipe of a tunnel house.

[Explanation of symbols]

30 tunnel house 31 pipe 32 film 35 string 100, 101, 102, 103, 104, 105, 1
06,107,200,201,300,400,40
1,500,501 Pile 110,210,310,410,510,552
Main body 112 Insertion parts 120, 122, 123, 223, 322, 430, 4
50, 551, 530, 551 String hooking portions 130, 131, 230, 323, 420 Clamping piece 260 Outer cylinder 270 Elastic piece 320 Separate member

Claims (6)

[Claims] 1. A rod-shaped main body, a string hooking portion extending on an upper end side of the main body so as to intersect the main body, and a rotation restraining portion for suppressing rotation of the main body. A pile characterized by. 2. The pile according to claim 1, wherein the rotation inhibiting portion is a sandwiching piece provided with a gap provided between the rotation inhibiting portion and the main body portion. 3. The pile according to claim 1, wherein the rotation inhibiting portion is a protruding piece formed on the insertion portion. 4. A rod-shaped main body, a holding piece provided on the upper end side of the main body with a gap maintained between the main body, and a string hooking portion provided on the upper end side of the main body. A pile comprising: an outer cylinder into which the main body portion is inserted; and an elastic piece provided on the outer cylinder and capable of contacting the holding piece. 5. A body portion formed by bending a rod-shaped elastic material into a U-shape, a plate-shaped member having a hole through which two legs of the body portion are inserted, and the plate-shaped member or A pile, comprising: a string hooking portion provided on the main body. 6. A body portion in which a plurality of rod-shaped members are arranged substantially parallel to each other and one end or the vicinity of one end of each rod-shaped member is connected, and a string hook portion fixed to the body portion so as to intersect the body portion. A pile characterized by having.