JP6058202B1 - Scaffolding equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a scaffold securing device used for various works on an inclined land such as a mowing work on an inclined land where weeds grow. SOLUTION: A scaffold securing device 1 includes a plate-like scaffold base body 2 disposed on an inclined ground, and a plurality of short pieces extending along a side surface of the scaffold base body 2 disposed on the mountain side of the slope ground. A plurality of claw portions 4, a plurality of long claw portions 5 that extend along the side surface of the scaffold base body 2 that is arranged on the valley side of the inclined ground, and a long claw portion 5. It has a horizontal member 6 and a handle 7 attached to the scaffold base body 2 and extending upward. [Selection] Figure 1

Description

  The present invention relates to a scaffold securing device for slopes used when performing various operations such as mowing on slopes.

  Weeds grow over the slopes of mountains, hills, roads and tracks, and weeds will grow without mowing. In order to mow a wide range of weeds, a mower (brusher) having a cutting blade (chip saw or nylon cord cutter) that is rotated by a driving source such as a gasoline engine may be used.

  When performing mowing work using such a mower, an operator must maintain a self-supporting posture on an inclined surface of an inclined ground, which is a heavy physical burden. In particular, maintaining a posture while operating a heavy object such as a mower is accompanied by considerable physical exhaustion, making it difficult to work for a long time.

  Conventionally, a temporary stair (temporary step) as shown in Non-Patent Document 1 is known as means for securing a working scaffold on an inclined ground. This temporary staircase is intended to be used as a temporary staircase for ascending and descending slopes and as a scaffolding for weeding work on slopes. Then, the scaffold base body is installed on the slope.

Sanpoli Co., Ltd., Product Flyer, [Search November 4, 2016] http://www.sunpoly.jp/wp/wp-content/uploads/2013/06/catalog-rakukaru.pdf

  When planting trees and seedlings on sloped land as well as mowing work on sloped land, or when harvesting fruits grown on sloped ground, etc., if it is possible to secure a scaffold that is easy for workers to work, Work efficiency can be improved and safety during work can be secured.

  By the way, according to the instrument shown in Non-Patent Document 1, in order to form a scaffold at a desired position, after placing the scaffold base body at the desired position, bend down and use a tool such as a hammer. It is necessary to drive three piles, and when removing this, there is a trouble of pulling out the three piles using a tool or the like, which is very complicated. Work such as mowing will move to the next work position when the mowing work around it is completed centering on the worker's standing position, so a work scaffold can be easily formed at the desired position. And, when the work is finished, it is desirable that it can be easily removed and the work scaffold can be easily formed at the next work position.

  In addition, according to the instrument shown in Non-Patent Document 1, there is a problem that it is necessary to prepare and install a large number of products when the target range such as mowing is extensive. From the viewpoint of purchase cost and transportability to the site, a small and compact scaffold securing device capable of handling a wide range of work is desired.

  This invention is made | formed in view of the above-mentioned subject, and it aims at providing the scaffold securing instrument for slopes used for various work in slopes, such as the mowing work in the slopes overgrown with weeds.

  The scaffold securing device of the present invention includes a plate-like scaffold base body disposed on an inclined ground, and a plurality of short claws extending downward along a side surface of the scaffold base body disposed on the mountain side of the slope ground. A plurality of long claw portions extending along the side surface of the scaffold base body that is arranged on the valley side of the inclined ground, and a horizontal member that spans the claw portion of the long piece And a handle attached to the scaffold base body and extending upward.

  In the scaffold securing device of the present invention, a pedestal is protruded outward from any one of the claw portions of the long piece, and a male screw portion is formed upward on the pedestal. And a female screw part that is screwed into the male screw part is formed at the lower end of the handle, and the female screw is screwed into the male screw part so that the handle can be attached to and detached from the scaffold base body. You may make it attach.

 In the scaffold securing device of the present invention, a J-shaped hook is optionally attached to the claw portion of the long piece with the tip facing upward, and the handle removed from the scaffold base body is turned sideways. It may be possible to fit in the hook.

 In the scaffold securing device of the present invention, optionally, a plurality of adjustment bolts project outwardly at predetermined intervals in the extending direction of the claw portion of the long piece, and the adjustment is performed on the horizontal member. A hole that can be inserted into the bolt is formed, and an adjustment bolt at an arbitrarily selected height is inserted into the hole of the horizontal member, and the tip of the adjustment bolt is fastened by a fastening bracket. By tightening, the mounting height of the horizontal member can be made variable so that the horizontal member can be adjusted in the vertical direction.

 In the scaffold securing device of the present invention, a cylinder is optionally fixed to the handle along the longitudinal direction, and a handle of a rake used for mowing is inserted into the cylinder. good.

  According to the present invention, it is possible to easily secure a scaffold on an inclined land. By providing the short claw portion, even when the weight is applied to the valley side, the scaffold securing device can be prevented from falling to the valley side, which is safe. Also, by providing a horizontal member on the long claw part, the amount of insertion of the long claw part into the ground can be regulated, and even when the weight is loaded on the foot scene, the foot scene is substantially horizontal. Can be held in.

It is the side view which showed typically the scaffold ensuring instrument which is the 1st Embodiment of this invention. It is the front view which showed typically the scaffold ensuring instrument shown in FIG. It is the rear view which showed typically the scaffold ensuring instrument shown in FIG. It is explanatory drawing which showed typically the attachment or detachment method of the handle | staff of a scaffold securing tool shown in FIG. It is a use condition explanatory drawing which shows the state which secured the scaffold on the inclined ground using the scaffold securing instrument shown in FIG. It is the front view which showed typically the state which engage | inserted the handle removed from the scaffold base main body of the scaffold securing tool shown in FIG. FIG. 2 is a side view schematically showing a state in which a handle removed from the scaffold base body of the scaffold securing device shown in FIG. 1 is fitted into a hook, and in particular, two scaffold securing devices are stacked on a flat ground surface. It is explanatory drawing which shows the state put. It is the side view which showed typically the scaffold ensuring instrument which is the 2nd Embodiment of this invention. It is the front view which showed typically the scaffold ensuring instrument shown in FIG. It is a use condition explanatory drawing which shows the state which secured the scaffold on the slope of inclination | tilt angle (alpha) using the scaffold securing tool shown in FIG. It is a use condition explanatory drawing which shows the state which secured the scaffold on the slope of inclination | tilt angle (beta) using the scaffold securing tool shown in FIG. It is the side view which showed typically the scaffold ensuring instrument which is the 3rd Embodiment of this invention. It is the front view which showed typically the state provided with the rake used for the mowing work on the scaffold securing tool shown in FIG.

  Hereinafter, the scaffold securing instrument 1 which is the 1st Embodiment of this invention is demonstrated. FIG. 1 is a side view schematically showing a scaffold securing instrument 1 according to the first embodiment of the present invention, and FIG. 2 is a front view schematically showing the scaffold securing instrument 1 shown in FIG. FIG. 3 is a rear view schematically showing the scaffold securing instrument 1 shown in FIG.

  The scaffold securing device 1 has a plate-like scaffold base body 2. When the scaffold base body 2 is disposed on an inclined ground, the surface of the scaffold base body 2 becomes a work foot scene 3 on which an operator rides.

  A plurality of short claw portions 4 extending downward are provided along one side surface of the scaffold base body 2. In the present embodiment, each of the short claw portions 4 is along one side surface of the back surface of the scaffold base body 2 (the side surface on the mountain side when the scaffold base body 2 is disposed on an inclined ground), A plurality are arranged at equal intervals.

  A plurality of long claw portions 5 extending downward are provided along the other side surface of the scaffold base body 2. In the present embodiment, each of the long claw portions 5 is along the other side surface of the back surface of the scaffold base body 2 (the side surface on the valley side when the scaffold base body 2 is disposed on an inclined ground). A plurality of them are arranged at equal intervals.

  Each of the short claw portion 4 and the long claw portion 5 is arranged so that the claw portions 4 and 5 extend vertically downward when the scaffold base body 2 is arranged substantially horizontally. It is provided at a substantially right angle. As shown in FIG. 1 and the like, the long claw portion 5 is longer in the extending direction than the short claw portion 4. Further, the tips of the respective claw portions 4 and 5 are formed in a tapered shape so as to be easily inserted into the ground. In the present embodiment, three claw portions 4 and 5 are provided, but the present invention is not limited to this. In addition, each of the claw portions 4 and 5 is made of a metal having a rigidity that does not deform even when inserted into the ground, and is fixed to the wooden scaffolding main body 2. The material is not limited to this as long as it can withstand, and for example, the scaffold base body may be made of metal.

  A plate-like horizontal member 6 is stretched over each of the long claw portions 5. The horizontal member 6 is fixed so as to be bridged over each of the long claw portions 5 so as to be substantially parallel to the scaffold base body 2. By attaching the horizontal member 6, the amount of insertion of the long claw portion 5 into the ground is limited (see FIGS. 5, 10, and 11). That is, after the long claw portion 5 is inserted into the ground until the bottom surface of the horizontal member 6 comes into contact with the ground, the horizontal member 6 becomes an obstacle and the amount of insertion of the long claw portion 5 into the ground Is limited. Even if an operator puts weight on the foot scene 3 of the scaffolding base body 2 by limiting the amount of insertion of the long piece claw part 5 into the ground, the long piece exceeds the predetermined depth. The claw part 5 is not inserted into the ground.

  A round bar-shaped handle 7 having a predetermined length is attached to the scaffold base body 2 so as to extend upward at substantially right angles to the scaffold base body 2. In the present embodiment, the handle 7 is detachably attached to the scaffold base body 2 with the following configuration.

  That is, the cradle 8 protrudes outward from the outer surface of the long claw portion 5b disposed in the center. A male screw part is formed on the cradle 8 by fixing the bolt 9 upward, and a female screw part 7a that is screwed to the male screw part is formed at the lower end of the handle 7 (see FIG. 4). . The handle 7 can be vertically attached to the scaffold base body 2 by gripping the handle 7 and screwing the female screw portion 7a into the bolt 9 which is a male screw portion. By forming the handle 7 in the shape of a round bar, it is easy for the operator to hold it by hand, and the handle 7 is easily attached and detached. The cradle 8 may be provided so as to protrude from any one of the long-side claws 5, but is not limited thereto, and may be provided on the laterally added member 6.

  On the side surface of the scaffold base body 2 on the side where the long claw portion 5b is disposed, an annular (Ω-shaped in this embodiment) support bracket 10 into which the handle 7 can be inserted from the height direction. Is attached. The support fitting 10 is attached in the vicinity of the upper end of the long claw portion 5 so that the lower end portion of the handle 7 can be screwed into the bolt 9 through the Ω-shaped support fitting 10. A hole is formed in the top of the Ω-shaped support fitting 10, and a butterfly bolt 11 is attached to this hole. The handle 7 is inserted into the support fitting 10 with the handle 7 facing downward to the bolt 9. After the female screw portion 7a is screwed in, the handle 7 inserted through the support fitting 10 can be pushed toward the scaffold base body 2 by tightening the butterfly bolt 11. By tightening the butterfly bolt 11, the handle 7 can be prevented from coming off and the handle 7 can be prevented from rattling.

  A J-shaped hook 12 is attached to each of the long claw portions 5a and 5c arranged at both ends of the long claw portion 5 with the front end facing upward (see FIG. 2). . FIG. 6 is a front view schematically showing a state in which the handle 7 removed from the scaffold base body 2 of the scaffold securing device 1 shown in FIG. The handle 7 attached to the scaffolding base body 2 can be detached from the scaffolding base body 2 by loosening the butterfly bolt 11 and then screwing the handle 7. The removed rod-like handle 7 is hooked sideways. 12, the handle 7 and the scaffold base body 2 can be stored or transported as a unit (see FIG. 6).

  As will be described later, a plurality of scaffold securing devices 1 may be used (a case where a plurality of workers use one by one in addition to a case where one worker uses a plurality of units is assumed). Therefore, considering the convenience of storage of the scaffold securing device 1 and transportation to the site, it is desirable that the plurality of scaffold securing devices 1 have a shape that can be carried in layers. In this respect, the scaffold securing device 1 with the handle 7 removed and attached to the hook 12 has a shape that can be easily stacked as shown in FIG. 7, and can be compactly accommodated and transported in a minicar. It is.

  Next, a method for using the scaffold securing device 1 will be described.

<When performing work using one scaffold securing instrument 1> FIG. 5 is an explanatory diagram showing a state in which a scaffold is secured on an inclined ground (shown by hatching in FIG. 5) using the scaffold securing instrument shown in FIG. It is. The operator grasps the lower end portion of the handle 7, inserts the lower end portion into the Ω-shaped support fitting 10 and screws it into the female screw portion 7 a, and then tightens the butterfly bolt 11, so On the other hand, the handle 7 is attached at a substantially right angle. Next, the handle 7 is gripped and the scaffold securing device 1 is lifted, and at a desired position on the inclined ground where the scaffold is to be installed, the short claw portion 4 is the slope mountain side and the long claw portion 5 is the slope valley side. Thus, the nail | claw parts 4 and 5 are shaken down and stabbed in the ground. Thereby, the scaffold securing instrument 1 is made to stand independently at a desired position on the slope. Thereafter, the worker puts the weight on the foot scene 3 of the scaffold base body 2 of the scaffold securing device 1 and inserts the claws 4 and 5 of the scaffold securing device 1 into the ground. Ensure a secure scaffolding above. By grasping the handle 7 and lifting the scaffold base body 2, the claw portions 4 and 5 can be easily pulled away from the ground. According to the present invention, unlike the non-patent document 1, claw portions 4 and 5 that extend vertically downward are provided integrally with the scaffold base body 2, and the handle 7 can be easily inserted without using a tool.・ Can be pulled out (independent / released).

  An operator performs a desired work (mowing work using a mower, etc.) in the foot scene 3 of the scaffold securing device 1. By providing the short claw part 4 on the mountain side of the slope, even when the scaffold base body 2 puts weight on the valley side, it is possible to prevent the slope securing device 1 from falling to the valley side. . According to the experiment conducted by the inventor, the foot scene 3 can be operated even if it is not necessarily horizontal. That is, when working with only one foot on the foot scene 3, it is possible to balance with the other foot, and when working with both feet on the foot scene 3, the weight is on the mountain side on the foot scene 3. By working in such a manner, falling to the valley side can be prevented.

<When performing work using two scaffold securing devices 1> Using two scaffold securing devices 1 secures a scaffold at an arbitrary position on an inclined ground, and scaffolds in an arbitrary moving direction according to the work. Can be secured. That is, the operator first holds the handle 7 of the first scaffold securing device 1 and lifts the scaffold securing device 1, and at the desired position on the inclined ground where the scaffold is to be installed, against the slope by the method described above. The scaffold securing device 1 is made independent. An operator performs a desired work (mowing work using a mower, etc.) in the foot scene 3 of the scaffold securing device 1.

  Next, the worker grasps and lifts the handle 7 of the second scaffold securing device 1 according to the progress of the work, and makes the scaffold securing device 1 self-supporting at a desired position by the above-described method. Thereafter, by placing on the foot scene 3 of the second scaffold securing device 1, a substantially horizontal scaffold is secured at a new position on the inclined surface. After moving to the second scaffold securing instrument 1, if you want to secure a scaffold in any direction of movement as the work progresses, follow the foot scene 3 of the second scaffold securing instrument 1. In this state, the handle 7 of the first scaffold securing device 1 is grasped and pulled out from the ground, and the claw portions 4 and 5 are inserted into desired positions by the same method to be independent. By repeating the above work, a work scaffold can be secured at a desired position on the inclined ground. The mowing work moves to the next work position after the mowing around the operator's standing position is finished, so that it is important that it can be easily moved. As mentioned above, since the scaffold securing device 1 can be easily self-supported / released, it is possible to easily form a scaffold in any position / direction in the manner of a stilt even when mowing a wide range of mowing work. it can.

  Note that three or more scaffold securing devices 1 may be used. Depending on the situation of the slope, even one unit can fully demonstrate its utility.

  Next, a second embodiment of the present invention will be described. FIG. 8 is a side view schematically showing the scaffold securing instrument 20 according to the second embodiment of the present invention, and FIG. 9 is a front view schematically showing the scaffold securing instrument 20 shown in FIG. . 8 to 11, members that are the same as the scaffold securing device 1 according to the first embodiment are given the same reference numerals. In the longitudinal direction of the long claw portions 5a and 5c, a plurality of (two in the illustrated case) adjusting bolts 21 project outwardly at predetermined intervals. On the other hand, holes that can be inserted into these adjustment bolts 21 are formed in the horizontal member 6. An adjustment bolt 21 at an arbitrarily selected height is inserted into the hole of the horizontal member 6, and the distal end portion of the adjustment bolt 21 is fastened by a wing nut 22. The mounting height position of is variable. Thereby, the amount of underground insertion of the claw part 5 of a long piece can be adjusted. By adjusting the mounting position of the horizontal member 6 according to the slope of the inclined ground, the foot scene 3 of the scaffold securing device 20 can be arranged substantially horizontally with respect to the inclined surfaces having different slopes.

  FIG. 10 is an explanatory diagram of a usage state showing a state where a scaffold is secured on an inclined ground (shown by a hatched line in FIG. 10) using the scaffold securing device 20 shown in FIG. 8, and FIG. 11 is a scaffold shown in FIG. FIG. 12 is an explanatory diagram of a use state showing a state in which a scaffold is secured on an inclined ground having an inclination angle β (indicated by a slanted line in FIG. 11) using the securing device 20. Note that the inclination angle α> β. As shown in FIG. 10, when the gradient is relatively large, the horizontal member 6 is inserted into and attached to the lower adjustment bolt 21 to regulate the amount of insertion of the long claw portion 5 into the ground. Thus, even when an operator gets on the foot scene 3, the foot scene 3 can be arranged substantially horizontally against its own weight. On the other hand, when the gradient is relatively small as shown in FIG. 11, the foot scene 3 can be arranged substantially horizontally by inserting and attaching the horizontal member 6 to the upper adjustment bolt 21.

  Next, a third embodiment of the present invention will be described. FIG. 12 is a side view schematically showing a scaffold securing instrument 30 according to a third embodiment of the present invention, and FIG. 13 is provided with a rake used for mowing work on the scaffold securing instrument 30 shown in FIG. It is the front view which showed the state typically. In FIG. 12 and FIG. 13, members that are the same as those of the scaffold securing device 1 according to the first embodiment are denoted by the same reference numerals. In the present embodiment, the handle 7 is fixed to the scaffold base body 2 and is attached to the scaffold base body 2 so as to extend upward. A cylindrical body 31 is fixed to the handle 7 along the longitudinal direction. Since the handle 33 of the rake 32 used for mowing work can be inserted into the cylindrical body 31, it can be conveniently transported to the desired location together with the scaffold securing device 30. In addition to the rake 32, various materials and instruments useful for mowing work and other work on an inclined ground can be attached to the cylinder 31.

  The scaffold securing device of the present invention can be used as a device for securing a working scaffold in various operations on various slopes with different slopes.

DESCRIPTION OF SYMBOLS 1 Scaffolding securing instrument which is 1st Embodiment 2 Scaffolding stand main body 3 Foot scene 4 Short piece nail part 5 Long piece nail part 6 Horizontal member 7 Handle 7a Female thread part 8 Base 9 Bolt (male thread part)
DESCRIPTION OF SYMBOLS 10 Support metal fittings 11 Butterfly bolt 12 Hook 20 Scaffold securing instrument which is 2nd Embodiment 21 Adjustment bolt 22 Wing nut 23 Horizontal member 30 Scaffold securing instrument which is 3rd Embodiment 31 Cylindrical body 32 Rake 33 Rake Pattern

Claims (5)

A plate-like scaffolding base body arranged on an inclined ground;
A plurality of claw portions that are provided along the side surface of the scaffold base body that is arranged on the mountain side of the slope, and extend downward,
A plurality of claw portions that are provided along the side surface of the scaffold base body that is disposed on the valley side of the slope and extend downward,
A horizontal member spanning the claw portion of the long piece;
A scaffold securing device comprising a handle attached to the scaffold base body and extending upward.   Any one of the claw portions of the long piece is provided with a pedestal extending outward, and the pedestal is formed with a male screw portion upward, and the lower end portion of the handle has the male screw portion. 2. The scaffold according to claim 1, wherein a female screw part is formed to be screwed with the female screw part, and the handle is detachably attached to the scaffold base body by screwing the female screw into the male screw part. Securing equipment.   A J-shaped hook is attached to the claw portion of the long piece with the tip facing upward, and the handle removed from the scaffold base body can be fitted sideways into the hook. Item 3. A scaffold securing device according to item 1 or 2.  A plurality of adjustment bolts project outwardly at predetermined intervals in the extending direction of the claw portion of the long piece, and a hole that can be inserted into the adjustment bolt is formed in the horizontal member. By inserting an adjusting bolt at an arbitrarily selected height with respect to the hole of the horizontal member, and tightening the tip of the adjusting bolt with a fastening bracket, the mounting height of the horizontal member is increased. The scaffold securing device according to claim 1, wherein the scaffold securing device is variable. The scaffolding securing device according to claim 1, wherein a cylinder is fixed to the handle along a longitudinal direction, and a handle of a rake used for mowing is inserted into the cylinder.

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