Roof snow removal equipment

Abstract

To provide a roof snow removal device having a simple structure and easy maintenance. [Solution] The roof snow removal device 10 removes snow from the roof 12 by moving snow removal boards 14, which extend toward the left and right eaves of the roof 12, from the ridge side to the eaves side. The device comprises snow removal board movement guide members 16a, 16b that support the tip of the snow removal board 14 and limit the range of movement of the snow removal board, a first wire 18a for operating the snow removal board, one end of which is fixed to the ridge side surface of the snow removal board 14, a second wire 18b for operating the snow removal board, one end of which is fixed to the eaves side surface of the snow removal board 14, and horizontal fixed wire support pulleys 20a, 20b, 20c, 20d that support the first wire 18a and second wire 18b on the roof 12 and form them into a ring shape. A wire operation motor 22 is located outdoors and has a rotating shaft 22a to which is attached a wire 18 connecting the other end of the first wire 18a and the other end of the second wire 18b.

Description

[Technical Field]

[0001] This invention relates to a roof snow removal device for removing snow from a roof. [Background technology]

[0002] The task of removing snow from roofs is hard work for workers, and because the work is done on a snow-covered roof, there are risks such as falling from the roof or falling snow.

[0003] Conventionally, an automatic snow removal machine has been provided that automatically removes snow from a roof, eliminating the need for a worker to perform snow removal work on the roof (Patent Document 1). [Prior art documents] [Patent documents]

[0004] [Patent Document 1] Patent No. 4016400 Summary of the Invention [Problem to be solved by the invention]

[0005] The automatic snow removal machine of Patent Document 1 comprises an upper rail receiving plate attached to the top of the slope of the roof and a lower rail receiving plate attached to the bottom, left and right and center gear auxiliary rails that are U-shaped with the tips of their upper surfaces folded inward and that pass between the upper and lower rail receiving plates, left and right and center gear rails that are U-shaped with the tips of their upper surfaces folded inward and have multiple gear rail holes that are aligned with the back sides along the left and right and center gear auxiliary rails, a snow removal board that is installed horizontally on the left and right and center gear rails and is curved toward the back, and a cover that houses a motor, motor side gear, center gear, left gear, right gear, and transmission gear fixed to the snow receiving plate, The snow removal board is made up of a floating stopper attached to the underside of the snow removal board and hooked onto the side of the middle gear rail or the middle gear auxiliary rail, a middle shaft passed horizontally inside the snow removal board, a left shaft connected to the left side of the middle shaft, and a right shaft connected to the right side of the middle shaft, left and right and middle gears that pass through the left and right and middle shafts and mesh with the gear rail holes in the left and right and middle gear rails, a transmission gear that passes through the middle shaft and transmits rotational force to the left and right and middle gears, and a motor that rotates a motor-side gear that meshes with the transmission gear, allowing the snow removal board to be moved along the slope of a roof.The automatic snow removal machine can efficiently remove snow from a roof with little power.

[0006] However, the automatic snow removal machine in Patent Document 1 is equipped with a snow removal board that is made up of a cover that houses a motor, a motor-side gear, a center gear, a left gear, a right gear, and a transmission gear. The motor that moves the snow removal board along the slope of the roof is housed inside the snow removal board, which makes maintenance difficult.

[0007] The present invention is intended to solve the above problems and aims to provide a roof snow removal device that has a simple structure and is easy to maintain. [Means for solving the problem]

[0008] The roof snow removal device of this invention removes snow from the roof by moving snow removal boards that extend toward the left and right eaves of the roof from the ridge side to the eaves side. It is equipped with a snow removal board movement guide member that supports the tip of the snow removal board and limits the range of movement of the snow removal board, a first wire for operating the snow removal board, one end of which is fixed to the ridge side surface of the snow removal board, a second wire for operating the snow removal board, one end of which is fixed to the eaves side surface of the snow removal board, a horizontal fixed pulley for supporting the wires that support the first and second wires on the roof and form them into a ring, and a wire operation motor with a rotating shaft to which is attached a wire connecting the other end of the first wire and the other end of the second wire. The snow removal board, the guide member for moving the snow removal board, the first wire for operating the snow removal board, the second wire for operating the snow removal board, and the horizontal fixed pulley for supporting the wires are arranged on the roof.

[0009] The snow removal board is made of a square steel pipe.

[0010] In addition, a vertical fixed pulley for supporting the wire is provided at the eaves of the roof to change the direction of the wire, and the wire formed in a loop shape on the roof is attached to the rotating shaft of a wire operating motor located outdoors via the vertical fixed pulley for supporting the wire. [Effects of the Invention]

[0011] The roof snow removal device of this invention is equipped with a motor installed outside the building, which drives the first wire for operating the snow removal board and the second wire for operating the snow removal board, which are fixed to the snow removal board, and moves the snow removal board from the ridge side of the roof to the eaves side to remove snow from the roof. This allows the snow removal device to have a simple structure and provide a device that is easy to maintain. Furthermore, snow removal from the roof can be done automatically, eliminating the need for an operator to perform snow removal work on the roof. [Brief explanation of the drawings]

[0012] [Figure 1] 1 is a plan view of a roof showing the roof snow removal device of the present invention; [Figure 2]FIG. 2 is a diagram showing a vertical fixed pulley for supporting a wire, which is provided at the eaves of the roof of FIG. DETAILED DESCRIPTION OF THE INVENTION

[0013] This invention eliminates the need for workers to remove snow from the roof, and enables snow removal from the roof to be done automatically. [Example]

[0014] The roof snow removal device of the present invention will be described with reference to the drawings. Figure 1 is a plan view of a roof showing the roof snow removal device of the present invention. The roof snow removal device 10 of this invention removes snow from a roof by moving a snow removal board 14, made of a square steel pipe and extending toward the left and right eaves of the roof 12, along the slope of the roof from the ridge side to the eaves side of the roof 12. In addition to the snow removal board 14, guide members 16a and 16b for moving the snow removal board, a first wire 18a for operating the snow removal board, a second wire 18b for operating the snow removal board, and horizontal fixed pulleys 20a, 20b, 20c, and 20d for supporting the wires are arranged on the roof 12. Also arranged outside is a motor 24 with a rotating shaft 22a.

[0015] Guide members 16a, 16b for moving the snow removal board support the tip of snow removal board 14 and function as rails for snow removal board 14. In Figure 1, guide members 16a, 16b are arranged on the left and right sides of roof 12, respectively, and are installed parallel to the tips of the eaves of roof 12 (the parts that protrude outward from the exterior wall on the gable side of the roof, the gables). The left and right tip portions of snow removal board 14 are supported on left and right guide members 16a, 16b, respectively, which are disposed on roof 12. The left and right tip portions of snow removal board 14 are able to slide along the surfaces of guide members 16a, 16b. Guide members 16a, 16b are formed to a predetermined length, and limit the range of movement of snow removal board 14.

[0016] One end of the first wire 18a for operating the snow removal board is fastened and fixed to the ridge-side side of the snow removal board 14 (square steel pipe). One end of the second wire 18b for operating the snow removal board is fastened and fixed to the eaves-side side of the snow removal board 14 (the side opposite to the side to which the first wire 18a is fastened). The other end of the first wire 18a is connected to the other end of the second wire 18b. The connected first wire 18a and second wire 18b form a looped wire 18. The looped wire 18 is attached to a rotating shaft 22a of a wire actuation motor 22 so as to rotate counterclockwise or clockwise in conjunction with the rotation of the rotating shaft 22a.

[0017] Wire support horizontal fixed pulleys 20a, 20b, 20c, and 20d are arranged on the roof 12 as a means for forming the first wire 18a and the second wire 18b for operating the snow removal boards into a loop shape on the roof 12. The four horizontal fixed pulleys 20a, 20b, 20c, and 20d are installed on the roof 12 at intervals (FIG. 1). In FIG. 1, two horizontal fixed pulleys 20a and 20b are arranged above the snow removal board 14, and two horizontal fixed pulleys 20c and 20d are arranged at intervals below the snow removal board 14. The four horizontal fixed pulleys 20a, 20b, 20c, and 20d are arranged at the vertices of a rectangle drawn on the roof 12. Attaching the wire 18 to the four horizontal fixed pulleys 20a, 20b, 20c, and 20d allows the wire 18 to be formed into a loop shape. This allows the wire 18 to be easily operated.

[0018] In Figure 1, the snow removal board 14 to which the wire 18 is fastened is driven by the wire actuation motor 22, which causes the loop of the wire 18 to rotate counterclockwise and simultaneously lower toward the eaves of the roof 12. In other words, snow is removed from the roof 12. In addition, the loop of the wire 18 rotates clockwise and simultaneously the snow removal board 14 rises toward the ridge of the roof 12. By operating the loop of the wire 18 to rotate counterclockwise or clockwise, snow can be repeatedly removed by the snow removal board 14. The bottom surface of snow removal board 14 (square steel pipe) is in face-to-face contact with the surface of roof 12, and is capable of sliding down the surface of roof 12. When snow is removed using snow removal board 14, the side surface of snow removal board 14 on the eaves side moves the accumulated snow toward the eaves.

[0019] FIG. 2 is a diagram showing a vertical fixed pulley for supporting a wire, which is provided at the eaves of the roof shown in FIG. When attaching the looped wire 18 to the rotating shaft 22a of the motor 22, vertical fixed pulleys 24a and 24b for supporting the wire that change the direction of the wire 18 are provided at the eaves of the roof 12, and the looped wire 18 formed on the roof 12 is attached to the rotating shaft 22a of the wire operating motor 22 located outdoors via the vertical fixed pulleys 24a and 24b for supporting the wire (Fig. 2). In Fig. 2, the vertical fixed pulley 24a that guides the first wire 18a to the rotating shaft 22a and the vertical fixed pulley 24b that guides the second wire 18b to the rotating shaft 22a are installed above the eaves portion of the roof 12. By installing the vertical fixed pulleys 24a and 24b, the wire 18 can be directed toward the rotating shaft 22a of the motor 22, and the wire 18 can be easily attached to the rotating shaft 22a. In addition, the wire 18 can be prevented from coming into contact with the eaves or overhangs of the roof 12. The means for attaching the looped wire 18 to the rotary shaft 22a of the motor 22 may be other than the vertical fixed pulleys 24a and 24b, as long as the loop of the wire 18 can be rotated. 2, vertical fixed pulleys 22c and 22d for supporting the wire are provided on the continuous foundation of the building to guide the wire 18 to the rotation shaft 22a of the wire operating motor 22. The vertical fixed pulleys 22c and 22d are installed according to the arrangement of the motor 22 and as needed.

[0020] According to the roof snow removal device 10 of the present invention, there is no need for an operator to remove snow from the roof, and snow can be removed automatically from the roof.

[0021] Furthermore, by placing the wire operation motor 22 outdoors, a simple structure is achieved in which only the snow removal board 14, guide members 16a and 16b for moving the snow removal board, first wire 18a for operating the snow removal board, second wire 18b for operating the snow removal board, and horizontal fixed pulleys 20a, 20b, 20c, and 20d for supporting the wires are placed on the roof 12, and since nothing needs to be stored, maintenance and management of the device can be carried out easily. [Explanation of symbols]

[0022] 10. Roof snow removal equipment 12. Roof 14 Snowplow 16a, 16b Guide members 18 wires 18a First Wire 18b Second Wire 20a, 20b, 20c, 20d Horizontal fixed pulley 22 Motor 22a Rotation axis 24a, 24b Vertical fixed pulley

Claims

1. This roof snow removal device removes snow from the roof by moving snow removal plates that extend toward the left and right eaves of the roof from the ridge side to the eaves side. The device comprises: a guide member for moving the snow removal plate that supports the tip of the snow removal plate and limits the range of movement of the snow removal plate; a first wire for operating the snow removal plate, one end of which is fixed to the ridge side surface of the snow removal plate; a second wire for operating the snow removal plate, one end of which is fixed to the eaves side surface of the snow removal plate; a horizontal fixed pulley for supporting the wires that support the first and second wires on the roof and form them into a ring; and a wire operation motor with a rotating shaft to which is attached a wire that connects the other end of the first wire and the other end of the second wire; and the snow removal plate, guide member for moving the snow removal plate, first wire for operating the snow removal plate, second wire for operating the snow removal plate, and horizontal fixed pulley for supporting the wires are arranged on the roof.

2. 2. The roof snow removal device according to claim 1, wherein the snow removal plate is a square steel pipe.

3. A roof snow removal device as described in claim 1, characterized in that a vertical fixed pulley for supporting the wire that changes the direction of the wire is provided at the eaves of the roof, and the wire formed in a loop shape on the roof is attached to the rotating shaft of a wire operating motor located outdoors via the vertical fixed pulley for supporting the wire.

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