JP6689483B2 - Snow remover - Google Patents

Description

  The present invention relates to a snow removing tool for snow such as a roof surface including a snow canopy.

  So-called eaves protruding from the roof and snow on the roof surface are dangerous because they fall without notice due to their own weight. Moreover, since the tip of the roof is bent by its own weight and the building is damaged, periodical removal is required.

Although it is necessary to work at the same time in areas with the same amount of snow, the number of workers is decreasing due to the aging of society, so the necessary work cannot be secured, and work is not performed at the appropriate time Damage to buildings Is increasing.
The removal of snow on the roof surface is generally performed by a worker who goes up to the roof, makes a plurality of cuts in the snow with a scoop, scoops the snow with the scoop, and throws it down to the ground. Although this work is hard work, it is necessary to work on the edge of the roof, and there is a high risk of falling from the roof, so accidents that result in death by falling from the roof occur every year.

Therefore, there is a need for a snow removal tool that can efficiently and safely remove snow on the roof surface including snow canopies.
Of course, if you can work without climbing to the roof, you do not risk falling off the roof.
Then, the snow removal tool of patent document 1 is proposed.

When removing snow from the ground, the snow removal tool of Patent Document 1 has a structure on the assumption that an operator is located in the direction in which the snow to be removed falls or in the direction in which the snow travels. Therefore, there is a risk of snow colliding with the worker.
Therefore, it is necessary to spread an alternative method for safely removing snow on the roof surface including snow canopies. For example, in the snow removal tool of claim 2 of Patent Document 2, a cutter for crushing snow on the support member is required. It has been proposed to provide the operator with snow so as not to collide with snow.
However, when working just below the eaves, the plate for cracking falling snow proposed in the snow removal tool of claim 2 of Patent Document 2 cannot crack the snow, or even if the snow breaks, it will crack. The snow did not contribute to the safety of the work because the snow went straight to the worker and collided with it.
Further, even if a plate for breaking the snow is provided, the snow normally slides on the support member, so that it is necessary to stabilize the support member during the movement of the snow, which causes a physical burden on the operator. At the same time, it was a cause of damage such as bending of the support member. In addition, by providing a plate for breaking the snow, the resistance against the snow increases, causing a physical burden on the worker.

  The snow removal tools that have been proposed so far are based on the premise that when a worker removes snow from the ground, the worker is located in the direction in which the snow to be removed falls or the direction in which the snow advances. It is a structure. Therefore, with the snow removal tools that have been proposed so far, it is necessary for the worker to secure a sufficient distance from the falling snow or obtain a sufficient angle in order to safely work when removing snow from the ground. Therefore, it is necessary to work using a sufficiently long support member.

However, it is impossible to make the support member infinitely long in terms of cost. Moreover, the longer the support member is, the heavier the physical burden on the worker becomes, and the more difficult the work becomes.
Therefore, because the support member does not have a sufficient length, or even if the support member has a sufficient length, the weight of the support member and the workability make the support member short so that the falling snow actually falls. It was not possible to secure safety because it was not possible to secure a sufficient distance from or to obtain a sufficient angle. In particular, when removing a snow canopy at a high position such as the second floor, in most cases, the work was done just under the snow canopy, which is a dangerous position.

The snow on the roof surface, including snow eaves, naturally or due to the movement of the snow generated by the snow removal tool or the vibration to the roof, not only at the location where the snow removal tool removes snow, but also in the vertical or horizontal direction following it. Snow can fall unintentionally.
Most workers' feet are covered with snow or frozen, making them slippery. There is a high risk of being accidentally surprised by falling snow and falling, and there is a risk that the falling snow cannot be avoided or the snow may fall to a position where it falls.

  In snowy countries, various snow removal tools are used depending on the quality of the snow and the location of the snow to be removed. The cost of purchasing snowplows etc. is a burden, as most households do this. In addition, it is necessary to secure a storage place by carrying various snow removal tools.

  Therefore, even for snow removal tools for roof surface snow including eaves, without removing the snow removal tool for working from the ground, the snow removal tool for climbing to the roof surface, and multiple snow removal tools, There is a need for a snow removal tool that is also workable.

  In order to reduce the physical burden on the operator, it is required that the snow removal tool be light, have less resistance when cutting snow, and have a large amount of snow that can be removed at one time. It is effective to use a simple structure to reduce the weight and the resistance when cutting snow. For example, the snow removal tool according to claim 3 of Patent Document 2 has a simple structure.

However, the snow removal tool according to claim 3 of Patent Document 2 is a structure that is premised on the fact that the operator is working in the direction in which the snow to be removed falls or in the direction in which the snow is advancing, and therefore safety is high. However, it was insufficient to reduce the physical burden on the operator, such as the resistance of the supporting member when cutting snow.
In addition, it is not economical because it is a structure that does not assume that the worker goes up to the roof and removes snow on the roof surface, so it is necessary to purchase other tools for work from above the roof, There was also a problem in securing a storage place.

Registered utility model No. 3120880 Registered utility model No. 3181867

  An object of the present invention is to provide a snow removal tool that can safely remove snow on a roof surface including a snow canopy. There are the following two issues in terms of safety.

One of the safety issues is to ensure safety when working almost directly under the roof.
Working almost directly under the roof has been recognized as something that should or should not be avoided, of course. It is not known when the snow canopy or icicles attached to the snow cane will fall, and in particular the icicles can easily pierce the face or head and die. There is a high risk of connection, and it is clearly dangerous to escape from the fall of the snow cane and the icicles attached to the snow cane because it takes less time for them to hit the worker and it is also a position where it is hard to notice the fall. Is a factor.
On the other hand, in reality, in an attempt to work unconsciously with a minimum amount of work, the worker may unknowingly move toward almost directly below the roof, resulting in working in a dangerous position. It was Even if the workers hit the snow, the need to ensure safety was still not recognized because it is obviously dangerous to work there, and work should be done just under the roof. Since it is unknowingly a major premise that there is no such thing, safety has not been an issue so far when working just below the roof.
For this reason, the task is to ensure safety when working just below the roof, which has not been noticed until now.

One of the safety issues is to secure safety against "the snow that will be dropped next" when working on the ground.
The snow to be dropped can be roughly divided into two. One is the "snow that the worker is about to drop" by the work, and the other is the "snow that is about to be dropped next". The "snow that is about to be dropped" and the "snow that is about to be dropped" are generally continuous in the vertical and horizontal directions.
Due to the movement of the snow caused by the snow removal tool, vibration to the roof, etc., not only the "snow that you are about to drop" but also the lateral direction of the "snow that you are about to drop" with the snow removal tool A series of "snow to be dropped next" sometimes dropped unintentionally. Since attention is paid to snow that is intentionally dropped, almost no attention is paid to snow that is dropped unintentionally, which may cause serious harm to workers and people in the vicinity. There was a risk of being added. Especially when the snow on the roof, which is continuous in the vertical direction of "the snow that is about to be dropped", falls together like an avalanche, there is a high possibility that the operator is located at the position where the snow falls, which is very dangerous. It was
However, it is not always the case that the "snow that is about to be dropped" does not always occur, and until now, it was an important issue to keep in mind that "the snow that is about to be dropped" does not hit the operator. Since it has been done, it has not been considered as an issue so far.
For this reason, the issue is to secure safety against "snow that will be dropped next" when working on the ground, which has not been noticed until now.

  In addition, in the present invention, in removing snow such as a roof surface including snow canopies, the physical burden on the operator is small, efficient, economical, and contributes to securing a storage place. The task is to provide a snow removal tool that can also work.

  In order to solve the above problems, the present invention provides the following configurations. The reference numerals in parentheses are reference numerals in the drawings described later and are provided for reference.

One of the snow removal tools of the present invention is a snow removal tool including a flat plate-shaped base portion, side portions, and a support member, and the side portions are erected in a substantially vertical direction on one end side of the base portion. On the surface of the base portion where is erected, on the other end side opposite to the side portion, a supporting member is provided, which is warped by the force of the snow, and the guide portion which returns to the original state when the force of the snow disappears, It is characterized in that it is provided on at least one of the support members .

In the above snow removal tool, the side portion is erected in a substantially vertical direction on one end side of the flat plate-shaped base portion, and on the other end side opposite to the side portion on the surface of the base portion on which the side portion is erected. Since the support member is provided, it is possible to easily cut snow such as a roof surface including snow canes into a certain size, and it is possible to cut the snow only with the base portion and the side portions, so that the support member has resistance. Moreover, the resistance generated when cutting snow is also minimized. It is possible to cut the snow by pushing the support member upwards such as the eaves direction of the roof, but it is easier to pull the support member downward after the base part is hooked on the snow visor. It is also possible to sharpen it.
Also, if the side portion for example to the right as shown in Figure 11 are positioned, and started with a left side of the roof is positioned at the left end of the snow from the right side support member when working from the ground, the side If only the base portion and the base portion are pierced into the snow when working, the operator has "the snow which is about to be dropped" (S1) and "Next" because the base portion, the side portion and the supporting member are already described. It is possible to work without locating the worker in any of the directions in which the "snow that is about to be dropped" (S2) or the direction of travel. When working from the top of the roof, start the work from the left edge of the roof and position the left edge of the snow to the right of the support member to remove snow on the roof surface including eaves. is there.

In the above snow removal tool, the guide portion is warped by the force of the snow by providing the guide portion on at least one of the base portion and the support member that is warped by the force of the snow and returns to the original state when the force of the snow is removed. Since the appearance changes with, it becomes easier to see where the snow is with respect to the snow removal tool.

The snow removal tool according to the present invention is a snow removal tool including a base portion, a side portion, and a support member. A side portion is erected on one end side of the base portion and is supported on the other end side opposite to the side portion. A member is provided.
This makes it possible to easily cut snow such as a roof surface including a snow cane into a certain size.
Also, by providing a support member on the other end side opposite to the side part, for example, when the side part is located on the right side, by working from the left end side of the roof when working from the ground, the left side Since there is a supporting member in the left side, when standing on the left side of the supporting member to work, either the falling direction of the "snow that is about to be dropped" or the "snow that is about to be dropped", or the direction in which the worker moves Since the work can be performed without the operator being located in the area, a very high safety, which is completely different from the conventional snow removal tools, is secured, and an extremely large effect can be obtained.
Further, unlike the conventional snow removing tools, the support member does not have resistance, and the snow can be cut only by the base portion and the side portions, so the resistance generated when cutting the snow is also minimized. In addition, because of its simple structure, the snow removal tool can be made lightweight, and since there is also a large amount of snow that can be removed at once, efficient work can be performed with less physical burden on the operator. The effect is obtained.
And since it is not a complicated shape, it can be manufactured economically, it can be worked from the ground or from the roof, it is economical without having to purchase multiple snow removal tools and secures a storage place The effect of contributing also is obtained.

Furthermore, if the base part and the side parts are located on the base end side of the support member with respect to the line orthogonal to the extension direction of the shaft of the support member at the tip of the support member, the snow on the roof surface including the eaves can be removed from the ground. When attempting to do so, if the worker is working in a dangerous position, resistance will be generated in the support member, so it is possible to prevent snow from falling and let the worker know that they are working in a dangerous position. Therefore, it is possible to obtain an effect that safe work can be performed.
Specifically, for example, when the side part is located on the right side, when working from the ground, work from the left end side of the roof, so that there is a support member on the left side, so stand on the left side of the support member. When working, it is possible for a worker to work without falling either of "snow that is about to be dropped" and "snow that is about to be dropped", or without the worker being positioned in the direction of travel. . When working in such a safe position, there will be no snow in the extension direction of the support member axis when pushing up the support member. However, because the snow and the clouds in the sky overlap and it becomes difficult to see due to sunlight such as sunlight entering the field of view, it is possible to mistake the position of the snow and accidentally start work at a dangerous position. Sometimes. If there is snow in the extension direction of the axis of the support member, the resistance part will become resistance, it will be difficult to stick into the snow, it will not fall and the sense of resistance transmitted to the hand will make sure that there is snow in the extension direction of the axis of the support member. It becomes possible to recognize. Therefore, the worker can recognize that he / she is working at a dangerous position, can move from there, and can work again at a correct and safe position, so that an effect that safe work is possible is obtained.

  Also, if the side part is the surface including the surface of the base part is the bottom surface, and the resistance part is provided in the space that spreads in the direction in which the side part stands, for example, if the side part is located on the right side, When starting work from the left end side of the roof and placing the left end of the snow on the right side of the support member, the worker "just wants to drop the snow" and "the next drop" When you try to work without the operator in any direction of falling snow, or in the direction of travel, the resistance part does not provide resistance when cutting snow, and the side parts are upright. The surface including the surface of the base portion is the bottom surface, and the side portion is in a space that expands in the standing direction.From the end of the base member on the base end side of the support member to the tip side of the support member, the extension direction of the shaft of the support member. If it has a surface that is substantially opposite to Section causes the snow to be cut off and the resistance section becomes a resistance before it falls on the worker or advances, making it less likely to get stuck in the snow, preventing the snow from falling and extending the axis of the support member of the resistance section due to the resistance feeling transmitted to the hand. This has the effect of making it easier to recognize that there is snow on the direction side.

In addition, by providing a guide portion that is warped by the force of snow and that returns to the original state when the force of the snow disappears in at least one of the base portion and the support member , the guide portion warps due to the force of the snow so that it can be seen. The change makes it easier to see where the snow is relative to the snowplow. Then, even in the case of snow with low resistance such as soft snow, it is possible to easily detect a danger and contribute to the safety of the operator.
For example, if a plurality of guide parts are arranged upright on the base part from the center of the base part to the other end side opposite to the side part, it is possible to confirm whether the guide part warps the snow toward the support member side. It will be easier to see if they are close to each other. Further, if the guide part is arranged on the other end side of the base part opposite to the side part so as to be orthogonal to the extension direction of the shaft of the support member, the warp of the guide part is confirmed, and the worker collides with the operator. The presence of feared snow can be better visually recognized, and it is possible to ensure safety in danger.

  Furthermore, by attaching the sliding sheet to the base portion, even if the inclination angle of the roof is gentle, after the snow to be removed is cut off, it is easy to slide to the ground due to its own weight.

It is a figure showing a part of structure of the snow removal tool which concerns on one embodiment of the snow removal tool of this invention. It is a figure which extracts and shows a part of structure of the snow removal tool shown in FIG. It is a figure showing a part of structure of the modified example of one embodiment of the snow removal tool of this invention. It is a figure showing a part of structure of the other modified example of one embodiment of the snow removal tool of this invention. It is a figure showing a part of structure of the other modified example of one embodiment of the snow removal tool of this invention. It is a side view as viewed from the support member side represents the portion of the configuration of another modification of the embodiment of the snow removal device of the present invention. It is a figure showing a part of structure of the other modified example of one embodiment of the snow removal tool of this invention. It is a figure showing the structure of the snow removal tool which concerns on one embodiment of the snow removal tool of this invention. It is a figure showing the structure of the snow removal tool which concerns on one embodiment of the snow removal tool of this invention. It is a figure showing a part of structure of the other modified example of one embodiment of the snow removal tool of this invention. It is a figure explaining the usage method of the snow removal tool shown in FIG.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

1 and 2 show a part of the configuration according to the present embodiment . The snow removal tool includes a flat plate-shaped base portion 10, a side portion 11 standing upright on one end side of the base portion 10 in a substantially vertical direction, and a rod-shaped supporting member provided on the other end side opposite to the side portion 11. 12 and.

  The base portion 10 has, for example, a plate shape, a length L1 of, for example, about 30 cm to 50 cm, a width W1 of, for example, about 2.5 cm to 10 cm, and a thickness T1 of, for example, 2 mm. It is about 4 mm.

  The side portion 11 has, for example, a plate shape, a length L2 of, for example, about 30 cm to 50 cm, a width W2 of, for example, 2.5 cm to 10 cm, and a thickness T2 of, for example, 2 mm. It is about 4 mm. Further, if the side portion 11 is erected perpendicularly to the base portion, the amount of snow removed at one time can be easily grasped, work can be performed without waste, and the yield strength applied to the side portion is small and durability is improved. It is also advantageous in terms of the aspect, which is preferable.

  The length of the supporting member 12 may be set to a position of snow to be removed such as a position where the eaves are generated or the workability of the operator, and is, for example, about 1 m or more and 8 m or less. The support member 12 may be, for example, a single rod-shaped member, a plurality of rod-shaped members connected to each other, or a rod-shaped stretchable member capable of stretching. . Among them, the one in which a plurality of rod-shaped members are connected to each other and the rod-shaped elastic member that enables expansion and contraction are convenient to carry. It's more convenient because it doesn't exist. An example of such an elastic member is a ball net pattern. In addition, it is preferable to provide the support member 12 with a plurality of through-holes of a size that does not impair the required strength, because it is lightweight and easy to work. It is preferable that the support member 12 is made of, for example, a member having a high anti-slip effect such as rubber in a portion gripped by an operator, or is provided with a grip because gripping is facilitated.

In this way, if the base portion 10 and the side portions 11 are made of a plate-shaped member having a predetermined width, the snow removal tool can obtain sufficient strength, and even if the snow is hard, it will be easy. It is preferable because it can be removed. The base portion 10 and the side portion 11 are preferably made of, for example, a metal such as stainless steel or aluminum, or a reinforced plastic such as polycarbonate or fiber reinforced plastic.

  The base portion 10 is preferably attachable to and detachable from the support member 12. This is because it can be carried compactly and at the same time, another removing member can be connected to the supporting member.

  The base portion 10 may be, for example, a plate-shaped member having a plurality of through holes as shown in FIG. 3, and may be a plate-shaped member into which the support member 12 can be inserted. The part 11 may be a plate-shaped member having a plurality of through holes. This is because by using a plate-shaped member having a plurality of through holes, snow can easily glide from the snow removal tool and the snow removal tool can be made lightweight.

  For example, as shown in FIG. 4, the base portion 10 has a shape in which the height H1 from the bottom portion of the base portion 10 to the center of the inserted support member shaft exceeds half the width of the support member shaft. You may make it the plate-shaped member which has. When working on the roof, it is easier to work if the position holding the support member is close to the waist, so the burden on the worker is reduced and the work efficiency is improved.When working from the ground, it is safe. This is because the effect of further enhancing the sex is obtained. The height H1 in this case may be a height considering the height of the operator if the workability on the roof is important, and the height H1 of the worker is important if the work safety on the ground is important. The height may be set in consideration of the balance between physical burden and safety, for example, about 20 cm or more and 50 m or less.

5 and 6 show a part of the configuration of another modified example of the embodiment of the snow removal tool according to the present embodiment .
5 and 6, the base portion 20 and the side portion 21 are located on the base end side of the support member 22 at the tip of the support member 22 with respect to a line orthogonal to the extension direction of the axis of the support member 22.

  It is preferable that the tip end of the support member 22 is concave or has a substantially flat surface that is substantially orthogonal to the extension direction of the shaft of the support member because the support member is less likely to be stabbed by snow and resistance is easily transmitted to the operator.

  The distance D1 from the line orthogonal to the extension direction of the axis of the support member 22 at the tip of the support member 22 to the tip on the support member 22 side of the base portion 20 and the side portion 21 on the tip end side of the support member 22 is: The distance may be set in consideration of safety and workability such as the ease with which the support member 22 is stabbed into snow and the ease with which snow falls, and is, for example, about 10 cm or more and 50 m or less.

FIG. 7 shows a part of the configuration of another modification of the embodiment of the snow removal tool according to the present embodiment .
In FIG. 7, a surface including the surface of the base portion 30 in which the side portion 31 is erected is a bottom surface, and is in a space that spreads in the direction in which the side portion 31 is erected. From the end of the base member 30 on the base end side of the support member 32. At the tip end side of the support member 32, there is provided a resistance portion 33 having surfaces that are substantially opposed to each other in the extension direction of the axis of the support member 32.

If the surface of the resistance portion 33 that substantially opposes the extension direction of the axis of the support member 32 is a substantially plane orthogonal to the extension direction of the axis of the support member 32 or has a concave shape, the resistance portion 33 is less likely to be pierced by snow, This is preferable because resistance is easily transmitted to the operator.
The resistance portion 33 is, for example, an L-shaped plate, has a surface facing in the axial extension direction, and the height of the surface is, for example, about 5 cm to 15 cm, and the width of the surface is For example, the thickness is about 5 cm to 15 cm, and the thickness of the surface is, for example, about 3 mm to 5 mm.
The resistance portion 33 is preferably made of, for example, metal such as stainless steel or aluminum, or reinforced plastic such as polycarbonate or fiber reinforced plastic.

In the snow removal tool according to the present embodiment, the guide portion that is warped by the force of the snow and returns to the original state when the force of the snow disappears is provided on at least one of the base portion, the support member, and the resistance portion.

The guide portion may have a size that takes into consideration the force of returning to its original state when the force due to snow disappears and the ease of viewing. For example, the width is about 1 mm to 4 cm, and the length is 4 cm to 15 cm. The thickness of the surface is about 1 mm to 5 mm, for example.
The guide portion is preferably made of a material such as rubber or plastic which has a property of returning to the original material, or a structure having a spring structure.

FIG. 8: is a figure showing the structure of the snow removal tool which concerns on one Embodiment of the snow removal tool which concerns on this Embodiment, and a some guide part is extended from the approximate center of the base part 40 to the other end side opposite to the side part 41. As shown in FIG. 43 shows a form in which 43 is arranged upright on the base portion 40.
FIG. 9: is a figure showing the structure of the snow removal tool which concerns on one Embodiment of the snow removal tool which concerns on this Embodiment, and the guide part 53 is provided on the other end side of the base part 50 on the opposite side to the side part 51. It is arranged so as to be orthogonal to the extension direction of the axis of 52.

10 state, and are not showing a part of configuration of another modification of the embodiment of the snow removal device according to the present embodiment is characterized in that with the sheet 63 sliding on the base portion 60.

  The sliding sheet 63 may have a width such that the side portion 61 is one end and the other end is located closer to the side portion 61 than the supporting member 62, and the thickness of the sliding sheet 63 is such that the material is hard to cut. However, it is, for example, about 0.1 mm to 1 mm. The length may be set in consideration of the length of the roof, the weight of the sliding sheet 63, and the workability, and is, for example, about 1 m or more and 7 m or less. Further, as the material of the sliding sheet 63, a material which is hard to be cut even if it is thin, is lightweight, has weather resistance, and is easily slipped by snow or ice, and is, for example, plastic such as polyvinyl chloride or polyamide.

  Although the present invention has been described above with reference to the exemplary embodiments, the present invention is not limited to the above-described exemplary embodiments and can be variously modified. For example, the base portion, the side portion, and the supporting member may be detachable, and the rectangular plate-shaped side portion in the drawing may have a rod shape or a triangular plate shape, and thus may have other shapes. .

10 ... Base part, 11 ... Side part, 12 ... Support member,
20 ... Base part, 21 ... Side part, 22 ... Support member,
30 ... Base part, 31 ... Side part, 32 ... Support member, 33 ... Resistor part,
40 ... Base part, 41 ... Side part, 42 ... Support member, 43 ... Guide part,
50 ... Base part, 51 ... Side part, 52 ... Support member, 53 ... Guide part,
S1 ... Snow that is about to be dropped, S2 ... Snow that is about to be dropped,
S3: Snow sliding on the roof surface, S4: Snow falling from the roof surface, H: Worker

Claims (1)

In a snow removal tool comprising a flat plate-shaped base portion, a side portion, and a support member,
The side portion is erected in a substantially vertical direction on one end side of the base portion,
A support member is provided on the other end side of the surface of the base portion where the side portion is erected on the side opposite to the side portion, and a guide portion that is warped by the force of the snow and returns to the original state when the force of the snow disappears A snow remover provided on at least one of the base portion and the support member .

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