JPH082628A - Chute device - Google Patents

Abstract

PURPOSE:To provide a chute device in which a drop speed is adjusted so as to prevent any impact upon dropping and its height can be adjusted by meating the height of its installation place and which can be used for carrying waste such as a heat insulating material with excellent stability against wind. CONSTITUTION:A drop path 23 is provided by forming a plurality of inner ground fabrics 24a, 24b and 24c in a zigzag way in an outer cylinder 21 which can be divided into three stages. The inclination of the inner ground fabrics 24a, 24b and 24c are gradually reduced stepwise from the upper stage.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a chute device used for carrying out waste such as heat insulating material.

[0002]

2. Description of the Related Art At a construction site for heat insulation work, waste such as heat insulation materials is carried out by using an elevator or manually using stairs. However, the elevators are installed only in some steam boiler buildings, and this is a heavy labor to carry out, and the work efficiency is also poor. In addition, dust is often scattered around when it is carried out, which is a big problem.

For this reason, a method of carrying out by using a chute device can be considered. An example of this will be described with reference to FIG.
This chute device 1 is provided with an inlet part 2 into which waste is thrown upward, and outer cylinder cloths 4, 4, ... Through a plurality of elongated extending members 3, 3 ,. An outer cylinder 7 in which a cloth descending portion 6 is formed in a spiral shape through a spreading member 5.
And a protective mat 8 for landing waste on the lower end of the outer cylinder 7.
And an outlet portion 9 provided with. The inlet section 2 is composed of an inlet fitting 10, a pedestal 11, a cover cloth 12, and the like, and a handle 13 is provided near the outlet section 9.

By using the chute device 1 having such a configuration, in the case of a falling object having a non-specific shape and hard to roll like a waste such as a heat insulating material packed in a vinyl bag or the like, the drop path is formed in a spiral shape. In addition, the spiral type downhill portion 5 has a drawback that the falling object stops on the way.

On the other hand, although not shown, even if a chute device having a zigzag-shaped drop path is used, if the drop path has a constant inclination angle, waste heat insulating material packed in a vinyl bag or the like is used. It is difficult to drop at a low speed in the case of a falling object that is easily damaged by the impact when dropped.

Further, in a chute device having a structure in which the length cannot be adjusted, it is not possible to use the chute device when the height of the installation site is changed, or when it is exposed to the wind outdoors, the chute device rolls and lacks stability. There is.

[0007]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and it is damaged by an impact when dropped like a waste such as a heat insulating material packed in a vinyl bag. It is possible to adjust the falling speed so that easily falling objects will not be damaged by the impact when falling, and even if the height of the installation location changes, by adjusting the length corresponding to this It is an object of the present invention to provide a chute device that can be used and does not roll when exposed to wind.

[0008]

In order to achieve such an object, the chute device of the present invention forms a plurality of inner base cloths in a zigzag shape in an outer cylinder having a cloth for outer cylinders to form a drop path. It is characterized in that the inclination angle of the internal base cloth is gradually reduced from the upper step portion.

Further, in the present invention, the inclination angle of the inner base cloth may be set to 65 to 55 ° for the upper step, 50 to 40 ° for the middle step, and 30 to 20 ° for the lower step.

The outer cylinder may be divided into three parts, an upper part having an inlet part at the upper part, a middle part and an outlet part, and the outer cylinder cloth may be formed in a mesh shape.

[0011]

According to the chute device of the present invention, the falling object is given sufficient acceleration in the upper stage of the falling path having a large inclination angle. In the middle part of the drop path where the inclination angle is smaller than in the upper part, it falls at a substantially constant speed without any unnecessary acceleration being applied, and in the lower part of the next drop path where the inclination angle is smaller, the impact at the time of landing The fall speed is reduced so that

Further, according to the present invention, since the outer cylinder can be divided into three parts, the outer cylinder can be adjusted according to the height of the installation location. Does not roll.

[0013]

EXAMPLES Examples will be described with reference to the drawings. FIG. 1 is a side view showing an embodiment of a chute device according to the present invention.

This chute device 20 has an inlet portion 22 above an outer cylinder 21, an arbitrary number of internal base cloths 24a, 24b, 24c, ... Forming a drop path 23 inside, and an outlet portion 25 below and a protection. And a mat 26.

The outer cylinder 21 includes a plurality of expanding members 27, 27,
The outer cylinder cloth 28 is arranged through the ... to form a flat rectangular shape. In the case of this embodiment, the chute device 20
Is configured so that it can be divided into three parts, an upper part 21a, a middle part 21b and a lower part 21c, in consideration of the height of the installation place.
b is formed in three stages, and the lower part 21c is formed in one stage. The specific height dimension of each step is, for example, 11 from the upper step.
50mm, 900mm, 700mm, total length 5770
mm.

When increasing the total length of the chute device 20,
This can be dealt with by increasing the number of middle-stage portions 21b, and in the case of shortening it, it can be dealt with by similarly adjusting the number of middle-stage portions 21b. Connection of the upper part 21a and the middle part 21b,
Connection between the middle part 21b and the lower part 21c, and the middle part 21
Although not shown, the middle step portions 21b are connected to each other when adjusting the number of b by connecting the outer cylinder cloth 28 with a slide fastener, a surface fastener, a laminating fastener, or the like.

The inlet portion is formed in a rectangular shape in a plane above the outer cylinder 21 with a metal frame 33 interposed therebetween. For example, it is desirable that one side has a length of about 750 mm square.

Both the inner base cloth 24 and the outer cylinder cloth 28 are desirably made of polyester fiber cloth, and other synthetic resin fiber cloth may be used.
If is made of polyester fiber in a mesh shape, it can be prevented from rolling sideways even if it receives wind. The inner base cloths 24a, 24b, 24c forming the fall path 23 correspond to the three divided structures of the outer cylinder 21 as described above, and the inclination angle of the inner base cloth 24a forming the upper step portion 21a is 60.
, The inclination angle of the inner base cloth 24b in the middle section is set to 45 °, and the inclination angle of the inner base cloth 24c in the lower section is set to 30 °.

The inventors of the present application used a chute device 20 having a total length of 5700 mm (diameter 950 mmφ of the inlet portion 22), constituted the dropping path 23 with a polyester fiber cloth, and formed each inner base cloth 24a of the upper step portion. 65-55 °, each internal base cloth 24b of the middle section is set to 50-40 °, each internal base cloth 24c of the lower section is set to an inclination angle of 30-20 °, and the result of the drop test is good. As a result, it was confirmed that the inclination angle of the fall path 23 is desirable.

Table 1 shows that by using the chute device 20 of this embodiment, a rock wool felt waste (a rock wool heat insulating material "M" manufactured by Nichias Co., Ltd.
G felt ”), calcium silicate heat insulating material waste (heat insulating material made by Nichias Co., Ltd. mainly made of silica“ Silicalite ”) and hydrous calcium silicate heat insulating material waste (made by Nichias Co., Ltd. silica as main material) The heat insulation material “Silicalite” having a water content of 30 wt%) was packed in each of them and the result of the drop test is shown. As a result, the falling object did not stop in the middle of the dropping path, the falling object was not damaged, and the bag did not break.

[0021]

[Table 1]

[0022]

According to the chute device of the present invention, the falling speed is adjusted so as not to damage the fallen objects such as the heat insulating material waste packed in the vinyl bag which is easily damaged by the impact at the time of the fall. Can be carried out.

That is, in the heat insulating work, the heat insulating material waste can be efficiently discharged, and dust is not scattered around the heat insulating material when the heat insulating material is discharged.

This chute device is a portable type that can be carried, and since the total length of the chute device can be adjusted, it can be used according to the height of the installation place.

Furthermore, by using the mesh-shaped outer cylinder cloth, it does not sway sideways even if it receives wind, and the safety of work can be improved.

[Brief description of drawings]

FIG. 1 is a side view showing an embodiment of a chute device according to the present invention.

FIG. 2 is a schematic view of a conventional chute device.

[Explanation of symbols]

 21 Outer cylinder 23 Falling path 24a, 24b, 24c Internal base cloth

Claims (4)

[Claims] 1. A plurality of internal base cloths are formed in a zigzag shape in an outer cylinder having a cloth for an outer cylinder to provide a drop path, and an inclination angle of the internal base cloths is gradually reduced from an upper step portion. A chute device characterized in that 2. The inclination angle of the inner base cloth is 65 to 65 at the upper step.
55 °, 50-40 ° in the middle stage, 30-20 ° in the lower stage
The chute device according to claim 1, wherein the chute device is set to each. 3. The chute device according to claim 1, wherein the outer cylinder is configured to be divided into three parts: an upper part having an inlet part on the upper side, a middle part, and an outlet part. 4. The chute device according to claim 1, wherein the outer cylinder cloth is formed in a mesh shape.