JPH09313047A - Tool for stretching agricultural sheet and stretching - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a tool for stretching an agricultural sheet capable of readily and safely stretching the agricultural sheet on a roof surface of a framework pipe greenhouse comprising a specific roll guide and a specified traction slider, readily stretching the sheet without selecting a single- and a multi-span greenhouses and improving labor saving. SOLUTION: This tool for stretching an agricultural sheet 5 comprises a ladder in a gable ridge part 3 of a rood, a roll guide for guiding the agricultural sheet 5 with a roll 4 supported between upper legs of the ladder and a traction slider, having the slider width for attaching the agricultural sheet 5 of >=30% based on the roof surface width, placed on the ridge part of the roof and moved from one end to the other thereof and is used to stretch the agricultural sheet 5 on the rood surface of the framework pipe greenhouse. The roll 4 is in the form of a HYOTAN (gourd) shape or KUSHI-DANGO (dumplings, made of rice or wheat flour, covered with a sweet bean jam or roasted and covered with a seasoned liquid starch, etc., on a skewer). The roll guide preferably has hooks capable of being fixed and removed from the gable ridge part 3 in the upper part of the ladder and height regulating screws 7 are preferably provided in leg parts of the ladder. The traction slider is preferably composed so as to pull ropes tied to an electric motor or an internal combustion engine and thereby move on the roof surface.

Description

Detailed Description of the Invention

[0010]

TECHNICAL FIELD The present invention relates to a spreading tool and a spreading method for spreading an agricultural sheet on a skeleton pipe house.

[0011]

2. Description of the Related Art In the sheet spreading method for agricultural frame pipe houses, a heavy-weight sheet that is thickly wound up to the frame roof is carried up and expanded. Recently, there has been an extension of a skeletal pipe-house roof that exceeds 3 m in height, and it is dangerous to work in high places with poor footing, and improvements are required as the agricultural population ages. Recently, it has been slightly improved. A method of attaching guide rolls at one end of the roof at appropriate intervals, pulling a band-folded sheet with a rope, and then spreading it over the entire surface (JP-A-2-215317), roof ridge of the wife part A method has also been adopted in which a guide roll is installed in the section and the sheet is fixed to a towing slider, and the sheet is towed manually on both sides of the house (JP-A-6-141690).

[0012]

However, the method of pulling up the sheet folded into a belt shape to the roof surface and then spreading the sheet over the entire surface involves a lot of dangerous work at a high place. The method of pulling the seats on both sides of the house requires a minimum of three people, one person to pull out the sheets and two people to pull the sheets on both sides of the house. Is. In addition, there is a limitation such as a low temperature period or early morning when the traction force is large and slippery, depending on whether the regularly folded sheet is hard to peel off or due to poor sliding between the frame and the sheet. The present invention solves these problems.

[0013]

[Means for Solving the Problems] The details will be described with reference to the drawings. In order to achieve the above object, the present invention is a spreading tool for spreading an agricultural sheet 5 on a roof surface of a frame pipe house composed of a roll guide 1 and a traction slider 2 described below, and a ladder 14 is installed on a gable ridge 3 of the roof. The roll guide 1 that guides the sheet 5 by the roll 4 supported between the upper legs of the ladder, and the slider width for attaching the sheet 5 is 30
% Or more, and a tow slider 2 that is placed on the roof ridge and moves from one end to the other. The roll 4 is a gourd type or a skewered dumpling type and is located between the upper legs of the ladder 14, and the roll guide 1 is fixed to the wife ridge 3 of the pipe house roof, and a removable hook 6 is provided on the upper part of the ladder 14 leg. There is a height adjusting screw 7 capable of adjusting the height on the legs of the ladder 14, and the width of the towing slider 2 can be expanded / contracted according to the width, slope and shape of the roof surface of the pipe house. It is a stretching tool for stretching the above-mentioned agricultural sheet that moves on the roof surface by pulling the rope 11 tied to the engine power. The agricultural sheet 5 placed on the ground side of the gable side of the frame pipe house is guided by the rolls 4 supported by the ladder 14 legs of the roll guide 1 installed in the gable ridge part 3 of the roof, and its width is the width of the roof surface. Agriculture that spreads by stopping this sheet 5 on the traction slider 2 that is 30% or more and pulling the rope 11 tied to the traction slider 2 and moving the traction slider 2 from one end to the other end of the frame pipe roof ridge. It is a method of spreading the sheet.

The agricultural sheet 5 to be used may be any sheet used for expanding a framed pipe house, and examples thereof include vinyl film for agriculture, polyolefin film for agriculture, etc., a sheet which is regularly folded in a zigzag shape, and a tubular shape by a squeezing machine. It is possible to use a sheet that has been wrapped around a sheet or a reuse sheet that has been used in the previous season and that has been rolled into a tubular shape. Roll guide 1
Consists of a ladder 14, which is installed on the roof ridge 3 of the roof so as to lean against it, and rolls 4 between the upper legs of the ladder.
And the roll 4 guides the sheet 5 (FIGS. 1 and 2). The roll 4 can be exemplified by a gourd type, a skewer dumpling type, and a spinning wheel with a brim. When the sheet 5 is cylindrically wound, the sheet is guided between them, and when the sheet 5 is regularly folded in a zigzag pattern, the roll 4 is a roll. Spread out and guide you. The roll guide 1 preferably has a hook 6 on the upper part of the leg of the ladder 14, and the hook 6 can be fixed to and removed from the gable ridge 3 of the frame pipe roof. The roll guide 1 is
You can adjust the height to the ground with the height adjustment screw 7 on the 14 legs of the ladder,
It is desirable that the tips of the legs can be inserted into the ground.

The traction slider 2 is attached with the agricultural sheet 5, is placed on the ridge of the frame pipe house roof, and is moved from one end to the other end. The width of the towing slider 2 is 30% or more of the width of the roof surface, and the width of the semi-cylindrical roof is 30% or more of its circumference (FIG. 1). It is desirable that the seat 5 be fixed to the tip of the towing slider 2 by the packer 9. It is desirable that the tow slider 2 can be expanded and contracted by the width adjusting screw 8 according to the width, slope and shape of the roof surface of the house. The tow slider 2 has a hook 10 for connecting the rope 11. The tow slider 2 may be made of synthetic resin or metal, and is preferably made of aluminum alloy which is assembled by a pipe and is lightweight and can withstand a tension of about 50 kg. The tow slider 2 is tied to the rope 11,
It is towed by an internal combustion engine power source such as human power, an electric motor or a cultivator 12 (FIG. 3). Tension with little stretch of rope 5
It is desirable that it can withstand about 0 kg. The sheet is spread by placing the agricultural sheet 5 on the upper surface of the gable side of the agricultural pipe house, installing the roll guide 1 on the gable ridge of the roof of the frame pipe house, and using the roll 4 supported by the 14 legs of the ladder. Guide the agricultural sheet 5 and stop the agricultural sheet 5 on the tow slider 2. Next, the rope 11 tied to the tow slider 2 is towed, and the tow slider 2 is moved from one end to the other end of the frame roof ridge to expand the agricultural sheet 5 while expanding it.

[0016]

[Example] The frame roof surface has a width of 5.60 m and a height of 2.9.
A frame made of galvanized iron pipe (distance between pipes: 45 cm) having a length of 5 m and a length of 42.3 m was prepared. Width of this is 6.90
An extension test was performed on the following vinyl sheet 5 (trade name: Kumiai High Hit Kirisaraba) having a size of m, a thickness of 0.10 mm and a length of 50 m. Vinyl sheet sample No. 1; regularly folded in a zigzag shape. Vinyl sheet sample No2: Wound into a tubular shape with a wringer. Vinyl sheet sample No3: Reused and rolled into a cylinder. The sheet 5 is spread by placing the agricultural sheet 5 on the gable side ground surface of the frame pipe house, installing the roll guide 1 on the gable ridge 3 of the frame roof, guiding the sheet 5 with the roll 4, and pulling the slider 2. Then stop the sheet 5 with the packer 9. Next, the rope 11 tied to the tow slider 2 is towed, and the tow slider 2 is moved from one end to the other end of the roof frame building to spread the sheet 5 and stretch the agricultural sheet. (However, in Comparative Examples 1, 2, and 3, the rope 5 was not used, and the seat 5 was towed from both sides by human power.) The cultivator 12 (trade name; Mitsubishi Tiller T) was used as a towing power source.
H60; manufactured by Mitsubishi Agricultural Machinery Co., Ltd. was used. Between the cultivator and the guide rope, a traction force meter 13 (TCLZ manufactured by Tokyo Sokki Kenkyusho)
-KA) was attached and the traction force was measured. This test was conducted over 3 days, and the meteorological conditions were as follows.

[0017]

[Table 1] Work contents Preliminary work: seat transportation + seat traction slider fixing work +
Guide roll set + rope setting work Pulling time; time required for the pulling slider to reach from one end to the other end Post-working; Sheet removing work from pulling slider + guide roll removing workability ○: There is no hindrance in the pulling work of the spreading work There wasn't. △: Reworking once or twice was required in the pulling work of the spreading work. ×: Reworking was required three or more times during the towing work of the spreading work.

[0018]

[Table 2]

[0019]

According to the present invention, since the slider width is wide,
I was able to spread the sheet in the expanded state. As a result, the time required for the spreading operation was short, the traction force was small, and there was no problem at all, and the expansion was easy. INDUSTRIAL APPLICABILITY The present invention can be spread in a short time even if the number of spreading workers is small. INDUSTRIAL APPLICABILITY The present invention can be easily applied to a sheet that is regularly folded in a zigzag shape, a sheet that is rolled in a tubular shape by a squeezing machine, or a reused sheet that is used in the previous season and rolled into a tubular shape. It can be stretched and the shape of the sheet can be selected. The roll guide was also a ladder and it was easy to move up and down. INDUSTRIAL APPLICABILITY The present invention can be performed without limiting the working time to the low temperature period and the early morning. The number of work personnel may be two, that is, a worker for feeding out the sheet and a worker for operating the power source, and it is possible that one person is sufficient if the power source is remotely controlled. According to the present invention, it is possible to easily spread the house without selecting a single-building house or a multi-building house.

[Brief description of drawings]

FIG. 1 is a schematic perspective view showing a sheet stretching tool of the present invention.

FIG. 2 is a schematic perspective view showing a roll guide.

FIG. 3 is a schematic side view showing a state of sheet spreading.

[Explanation of symbols]

1 Roll Guide 2 Towing Slider 3 Roof Wife Building 4 Roll 5 Seat 6 Hook 7 Height Adjustment Screw 8 Width Adjustment Screw 9 Packer 10 Rope Hook 11 Rope 12 Tiller 13 Traction Force Meter 14 Ladder

Claims (3)

[Claims] 1. A spreading tool for spreading an agricultural sheet on a roof surface of a frame pipe house composed of the following roll guide and traction slider. A ladder is installed on the roof ridge of the roof, and the roll guide that guides the sheet by the roll supported between the upper legs of the ladder, the slider width to attach the sheet is 30% of the roof width.
This is the traction slider that is placed on the roof ridge and moves from one end to the other. 2. The roll is a gourd type or a skewered dumpling type,
The roll guide has a hook that can be fixed and removed on the roof ridge of the roof at the top of the ladder, and the ladder leg has a height adjustment screw that allows height adjustment.The tow slider has a width that corresponds to the roof of the house. The expansion tool for expanding the agricultural sheet according to claim 1, which is capable of expanding and contracting according to a width, a gradient, and a shape, and moves a roof surface by pulling a rope connected to an electric motor or an internal combustion engine power. 3. The agricultural sheet placed on the gable side ground surface of the frame pipe house is guided by a roll supported by a ladder leg portion of a roll guide installed in the gable ridge part of the frame pipe house roof, and its width is the roof surface. A method of spreading an agricultural sheet in which this sheet is stopped on a tow slider that is 30% or more of the width, the rope tied to the tow slider is towed, and the tow slider is moved from one end of the roof ridge to the other end. .