JP4954354B1 - snowblower - Google Patents

Abstract

There is provided a snow remover that does not cause damage to a greenhouse even when snow is removed from a location close to the greenhouse.
A rotating shaft (16a) provided with an auger-type snow removing portion (16), the auger-type snow removing portion being arranged to extend in the vertical direction, and a helical auger blade (16d) attached to the rotating shaft. ) And a plurality of components attached to the rotating shaft so as to extend outward in a state in which they are arranged at predetermined angles in a plan view and dispersed in each gap between auger blades in a side view. Each snow removal blade has a tip protruding outward from the outer periphery of the auger blade, and is configured to bend when a lateral force acts on the tip. A snow remover (10) is provided.
[Selection] Figure 1

Description

  The present invention relates to a snow removal machine particularly suitable for efficiently removing snow at a location adjacent to a greenhouse.

  BACKGROUND ART A vinyl house formed by forming a framework with steel materials and covering a space between frames with a synthetic resin material is widely used for cultivation of agricultural products. In particular, in cold snowy areas, even in the winter, a warm space isolated from the influence of snow can be formed, so that plastic houses are more widely used. Conventionally, snow removal work at a location adjacent to a greenhouse is performed using an existing snow remover such as a front loader.

  However, in a conventional snow remover such as a front loader, when removing snow at a location close to the greenhouse, the snow remover entrains vinyl or a frame and damages the greenhouse.

  The present invention was developed in view of such a situation, and it is intended to provide a snow removal machine that does not cause damage to the greenhouse even when snow removal is performed in the vicinity of the greenhouse. It is aimed.

  The snow removal machine according to claim 1 includes an auger-type snow removal portion, the auger-type snow removal portion being arranged so as to extend in the vertical direction, and a helical auger attached to the rotation shaft. The blade is attached to the rotating shaft so as to extend outward in a state of being arranged at a predetermined angle with each other in a plan view and distributed in each gap between the auger blades in a side view. A plurality of snow removal blades, and each of the snow removal blades has a tip protruding outward from the outer periphery of the auger blade, and is configured to bend when a lateral force acts on the tip. It is characterized by.

  The snow remover according to claim 2 of the present invention is the snow remover according to claim 1, wherein the tip of the snow removal blade located at the uppermost portion protrudes outward most, and the tip protrudes as it moves downward. It is formed so that it may decrease gradually.

  The snow remover according to claim 3 of the present application is the snow remover according to claim 1 or 2, wherein the auger type snow remover has a first snow remover and / or a first snow remover for removing snow accumulated on the wall surface of the greenhouse. 2 A snow remover is mounted, and the first snow remover is substantially cylindrical and has a main body formed such that the center of the peripheral surface slightly bulges outward, and the main body is centered on its central axis. A pair of horizontal members, the support member being attached to the attachment member via a first spring, and the second snow removal tool being disposed at an interval. A member and a vertical member that connects one end of the horizontal member, and is formed in a U shape as a whole, and the other end of the horizontal member is attached to an attachment member via a second spring. , When removing snow, the main body and the first snow remover By the vertical member of the second snow drop tool into contact with a vinyl house wall, and is characterized in that it is configured to shake off snow accumulated on the greenhouses wall.

  The snow removal machine according to claim 4 of the present application is the snow removal machine according to any one of claims 1 to 3, wherein the auger type snow removal unit attaches an attachment to a self-propelled agricultural implement or a self-propelled snow removal machine. It is characterized by being attached via.

  The snow removal machine according to claim 5 of the present application is the snow removal machine according to any one of claims 1 to 3, wherein the auger type snow removal unit is disposed at one end of the tool bar and is disposed at the other end of the tool bar. And a snow collecting plate for collecting snow, a vertical member for attaching the snow collecting plate to the tool bar, and a position of the end of the snow collecting plate. And a flag setting member for setting a flag, and a saw blade portion is provided on the lower edge of the snow collecting plate.

  A snow remover according to claim 6 of the present invention is the snow remover according to claim 5, wherein a member that supports the auger type snow removal portion is received in a nested manner at an end of the toolbar and is installed in the toolbar. The tip of the piston rod is connected to the supporting member, and the auger-type snow removing portion can be moved in the horizontal direction by expanding and contracting the piston rod. Is.

  The snowplow according to claim 7 of the present invention is characterized in that, in claim 5 or 6, a tractor is connected to the toolbar.

  ADVANTAGE OF THE INVENTION According to this invention, the snow removal of the location close | similar to a greenhouse can be implemented efficiently. In the apparatus of the present invention, hard snow in the vicinity of the greenhouse can be crushed by the auger blade, and the snow on the side of the greenhouse can be struck down by the snow dropping blade, so that the periphery of the greenhouse can be obtained without damaging the side of the greenhouse. Snow removal can be easily performed. Further, by forming the tip of the snow removal blade so as to gradually protrude upward from below, snow on the curved wall surface of the greenhouse can be knocked out more effectively. Moreover, by attaching a snow remover, snow on the wall surface of the greenhouse can be knocked out more effectively without damaging the greenhouse. Further, by configuring the auger-type snow removal portion so as to be able to move in the horizontal direction, the auger-type snow removal portion can be accurately positioned at a desired snow removal location. Furthermore, since the structure of the present invention is relatively simple, the manufacturing cost is low and there is little risk of failure, so that the maintenance cost can be kept low.

It is the perspective view which looked at the snow removal machine which concerns on preferable embodiment of this invention from diagonally upward of the front. It is the perspective view which looked at the snow remover of FIG. 1 from the diagonally downward front. It is the expansion perspective view which showed the auger type snow removal part and its periphery. It is the figure which showed typically the attachment state of the snow removal blade. It is the perspective view which showed the snow removal member. It is the perspective view which showed the state which extended the piston rod of the cylinder in the snow remover of FIG. It is a figure for demonstrating the mechanism for inclining an auger type snow removal part. It is the perspective view which showed the snow removal tool. FIG. 9A is a front view showing the snow removal tool of FIG. 8, and FIG. 9B is a view taken along line 9b-9b of FIG. 9A. It is a series of figures for demonstrating the action | operation of the snow remover of FIG. It is the top view which showed the state in which the snow removal tool of FIG. 12 (a) and 12 (b) are views showing a state where the auger-type snow removal unit and the snow removal tool are mounted on the self-propelled farm equipment, and FIG. 12 (c) is an auger-type snow removal unit and snow removal tool It is the figure which showed the state with which it mounted | wore with the self-propelled snow removal machine.

  Next, a snowplow according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings. FIG. 1 is a perspective view of a snowplow according to a preferred embodiment of the present invention as seen from the diagonally upper front, and FIG. 2 is a perspective view of the snowblower of FIG. A snowplow according to a preferred embodiment of the present invention generally indicated by reference numeral 10 in FIG. 1 is a tool bar in which a mast 12 connected to a hydraulic three-point support device (not shown) of a tractor is installed at a substantially central position. 14 is provided.

  The snow removal machine 10 also includes an auger type snow removal unit 16 disposed at one end (right end in FIG. 1) of the toolbar 14. FIG. 3 is an enlarged perspective view showing the auger type snow removal portion 16 and its peripheral portion. The auger type snow removal portion 16 is supported by a receiving member 18 having a substantially U-shape when viewed from the front. That is, the receiving member 18 includes an upper horizontal member 18a, a lower horizontal member 18b, and a vertical member 18c that connects the upper horizontal member 18a and the lower horizontal member 18b. The vertical member 18c is an end portion of the tool bar 14. (In FIGS. 1 to 3, as will be described later, the second horizontal member 18d is connected to the vertical member 18c, and the end of the tool bar 14 is received in a nested manner in the second horizontal member 18d. In the figure).

  The auger-type snow removal portion 16 has a rotating shaft 16a disposed so as to extend vertically between the upper horizontal member 18a and the lower horizontal member 18b, and a motor 16b for rotating the rotating shaft 16a. The rotational drive of the motor 16b is transmitted to the rotary shaft 16a via the transmission means (for example, V belt) 16c. In the form shown in FIG. 1 and the like, the motor 16b is provided adjacent to the auger type snow removal portion 16, but a driving means for rotating the rotating shaft 16a may be provided separately.

  The auger-type snow removal portion 16 is also arranged in a space between the helical auger blade 16d attached to the rotary shaft 16a and the auger blade 16d, and is attached to the rotary shaft 16a so as to extend outward. And a snow removal blade 16e.

  FIG. 4 is a diagram schematically showing the attachment state of the snow removal blade 16e (for the sake of clarity, in FIG. 4, the rotating shaft 16a is indicated by a one-dot chain line, and the auger blade 16d is indicated by a broken line. Have been). The snow removal blades 16e are arranged so as to form a predetermined angle (90 ° in FIGS. 1 to 4) with each other in a plan view and distributed in each gap between the auger blades 16d in a side view. It is attached to the rotating shaft 16a.

  As shown in FIG. 5A, each snow removal blade 16e includes a shaft member 16e1 provided with a coil spring at the base end, a steel plate member 16e2 bolted to the tip of the shaft member 16e1, And an elastic member 16e3 bolted to the plate member 16e2. Each snow removal blade 16e is attached by bolting the base end of the shaft member 16e1 to an appropriate position of the rotating shaft 16a. The shaft member 16e1 and the plate member 16e2 have a function as a “spring” that bends when a lateral force is applied (see FIG. 5B). The elastic member 16e3 is formed of a rubber plate or the like. Instead of the shaft member 16e1 and the plate member 16e2 shown in FIG. 5 (a), a leaf spring type shaft member 16′e1 as shown in FIG. 5 (c) may be used.

The tip of the snow removal blade 16e (that is, the tip of the elastic member 16e3) protrudes outward from the outer periphery of the auger blade 16d, as best shown in FIG. Preferably, the tip of the snow removal blade 16e is adapted to the inclination of the side surface of the greenhouse, so that the tip of the snow removal blade 16e located at the top protrudes outward most and gradually protrudes as it moves downward. (L ₁ > L ₂ > L ₃ ) (see FIG. 4B).

  Preferably, the auger-type snow removal unit 16 is configured to be able to expand and contract in the horizontal direction with respect to the toolbar 14. In other words, the second horizontal member 18 d of the receiving member 18 that supports the auger type snow removal portion 16 is nested in the end portion of the tool bar 14, and the tip of the piston rod 20 a of the cylinder 20 installed on the tool bar 14 is The pin 20a1 is connected to the second horizontal member 18d. Thereby, the auger type snow removal part 16 can be moved in the horizontal direction by operating the cylinder 20 by driving the motor 20b and expanding and contracting the piston rod 20a, and adjusting the position of the auger type snow removal part 16 Can be done. FIG. 6 is a view showing a state in which the position of the auger type snow removal unit 16 is moved (moved to the right in FIG. 6).

  FIG. 7 is a view for explaining a mechanism for inclining the auger type snow removal unit 16. In the example shown in FIG. 7, the second horizontal member 18d is separated from the vertical member 18a, a plate 18d1 is attached to the end of the second horizontal member 18d, and a long hole 18d2 and a hole 18d3 are provided above and below the plate 18d1. Are provided. Then, a bolt is inserted into the hole 18d3 to connect the second horizontal member 18d and the vertical member 18a, and further, a bolt is inserted into the long hole 18d2 and fixed at a desired angle, so that the auger type snow removal portion 16 is secured to a desired shape. The angle can be inclined (see FIG. 7B).

  Preferably, the auger-type snow removal unit 16 is equipped with a snow remover for removing snow accumulated on the wall surface of the greenhouse. As shown in FIG. 8A, the snow removal tool has a first snow removal tool 24 and a second snow removal tool 26.

  The first snow removal tool 24 has a substantially cylindrical shape and a main body 24a formed so that the center 24a1 of the peripheral surface slightly bulges outward, and a support for rotatably supporting the main body 24a around its central axis. The support member 24b is attached to the attachment member 28 with the arm member 29 via the spring 24c. In the example shown in FIGS. 8A and 9A, the main body 24a is formed by combining a large number of curved elongated members, but as shown in FIG. 8B, The main body 24'a may be formed by curving one plate into a cylindrical shape and providing a protrusion 24'a1 formed on the peripheral surface so as to swell slightly outward.

  The second snow removal tool 26 has a pair of horizontal members 26a arranged at intervals, and a vertical member 26b that connects one end of the horizontal member 26a, and is formed in a "U" shape as a whole. The other end of the horizontal member 26a is attached to an attachment member 28 with an arm member 29 via a spring 26c.

  8 (a) and 9 (a), the second snow remover 26 is arranged in the upper and lower stages, and the first snow remover 24 is arranged in the middle stage. The arrangement number and arrangement form of the first snow removal tool 24 and the second snow removal tool 26 are not limited to the illustrated example (the arrangement is the first snow removal tool 24). And the second snow remover 26 may be both or only one). In addition, the first snow removal tool 24 and the second snow removal tool 26 are fixed to the receiving member 18 that supports the auger type snow removal unit 16, but if they can be firmly fixed, an appropriate attachment (not shown) ) May be used to fix to other appropriate locations.

  The snow removal machine 10 further includes a snow collecting portion 22 disposed at the other end (left end in FIG. 1) of the tool bar 14. The snow collecting unit 22 is provided with a snow collecting plate 22a for collecting snow, a vertical member 22b for attaching the snow collecting plate 22a to the tool bar 14, and a flag for displaying the position of the end of the snow collecting plate 22a. And a flag installing member 22c. The snow collecting plate 22a is formed in a rectangular shape as a whole, and a saw blade portion 22a1 is provided on the lower edge so as to easily collect snow.

  With reference to FIG. 10, the operation | movement of the snowblower 10 comprised as mentioned above is demonstrated. FIG. 10A is a diagram showing a state before snow removal. Prior to the use of the snow remover 10, the existing snow remover such as a front loader is used to remove snow between adjacent greenhouses (usually about 3 m between the greenhouses) (FIG. 10 (b) )reference). The snowplow 10 is made operable by connecting the mast 12 to a hydraulic three-point support device of a tractor (not shown). First, the snow remover 10 is operated in a state where the auger-type snow removal portion 16 is installed at a location close to the greenhouse (in FIG. 10, the left portion of the right greenhouse) (see FIG. 10C). Then, the snow is crushed by the auger blade 16d (hard snow is collected in the vicinity of the greenhouse by pre-snow removal such as a front loader) and the snow on the side of the greenhouse is struck by the snow removal blade 16e ( (Refer FIG.10 (d)). At this time, since the snow removing blade 16e is bent, the side surface of the greenhouse is not damaged.

  In addition, when the 1st snow removal tool 24 and the 2nd snow removal tool 26 are mounted | worn with the auger type snow removal part 16, the snow adhering to the side surface of a greenhouse can be removed more efficiently. Springs 24c and 26c are attached to the first snow remover 24 and the second snow remover 26, respectively, and even if the first snow remover 24 and the second snow remover 26 hit the side of the greenhouse, the first snow remover 24c is attached. Since the tool 24 and the second snow remover 26 are bent (in FIG. 11 (a), the solid line shows the moment when the first snow remover 24 contacts the side surface of the greenhouse, and the broken line shows the auger-type snow removal part. FIG. 11 shows a state in which the first snow remover 24 is bent as the 16 progresses, and in FIG. 11B, the solid line shows the moment when the second snow remover 26 contacts the side surface of the greenhouse; A broken line is a figure which showed the state in which the auger type snow removal part 16 advanced and the 2nd snow removal tool 26 bent, and there is no possibility that a greenhouse will be damaged. In this way, the primary work is completed by running the tractor along the greenhouse.

  Next, the tractor is inverted, and the snow remover 10 is operated with the snow collecting portion 22 installed at the left portion of the right greenhouse (see FIG. 8D). At this time, contact with the greenhouse can be avoided by using the flag raised on the flag setting member 22c of the snow collecting portion 22 as a mark. When the tractor is run along the greenhouse, the crushed snow or the struck snow is collected by the saw blade portion 22a1 of the snow collecting plate 22a (see FIG. 8E). The snow removal operation is completed by disposing of the snow collected in a place away from the edge of the greenhouse in this manner by a conventional method (for example, removing it with a bucket such as a front loader).

  In the above-described embodiment, the snowplow 10 is connected to a hydraulic three-point support device of a tractor (not shown), but the snowplow is connected to other self-propelled farm equipment other than the tractor via an appropriate attachment. Ten auger-type snow removal portions 16 and / or snow removal tools 24 and 26 may be attached and used (see FIGS. 12A and 12B). Alternatively, the auger-type snow removal unit 16 and / or the snow removal tools 24 and 26 of the snow removal machine 10 may be attached to the self-propelled snow removal machine via an appropriate attachment (see FIG. 12C). ).

  The present invention is not limited to the above-described embodiments, and various modifications can be made within the scope of the invention described in the claims, and these are also included in the scope of the present invention. Needless to say, it is something.

DESCRIPTION OF SYMBOLS 10 Snow remover 12 Mast 14 Toolbar 16 Auger type snow removal part 16a Rotating shaft 16b Motor 16c Transmission means 16d Auger blade 16e Snow removal blade 16e1 Shaft member 16e2 Plate member 16e3 Elastic member 18 Receiving member 18a Upper horizontal member 18c Lower horizontal member 18c Member 18d Second horizontal member 20 Cylinder 20a Piston rod 20a1 Pin 20b Motor 22 Snow collecting portion 22a Snow collecting plate 22a1 Saw blade-like portion 22b Vertical member 22c Flag installation member 24 First snow removal tool 24a Main body 24b Support member 24c Spring ( First spring)
26 Second snow removal tool 26a Horizontal member 26b Vertical member 26c Spring (second spring)
28 Mounting member 29 Arm member

Claims (7)

It has an auger type snow removal part,
The auger-type snow removal portion has a rotation shaft arranged to extend in the vertical direction, and a helical auger blade attached to the rotation shaft, and form a predetermined angle with each other in a plan view, and in a side view A plurality of snow removal blades attached to the rotating shaft so as to extend outward in a state of being distributed in the gaps between the auger blades and
Each of the snow removal blades has a tip projecting outward from the outer periphery of the auger blade, and is configured to bend when a lateral force acts on the tip.   The tip of the topmost of each of the snowdrop blades protrudes outward most, and the protrusion of the tip is formed so as to gradually decrease as it moves downward. Snow blower. The auger type snow removal unit is equipped with a first snow removal tool and / or a second snow removal tool for removing snow accumulated on the wall surface of the greenhouse.
The first snow remover has a substantially cylindrical shape and a main body formed so that the center of the circumferential surface swells slightly outward, and a support member for supporting the main body rotatably about its central axis And the support member is attached to the attachment member via the first spring,
The second snow removal tool has a pair of horizontal members arranged at intervals, and a vertical member connecting one end of the horizontal members, and is formed in a U-shape as a whole, and the horizontal The other end of the member is attached to the attachment member via a second spring;
At the time of snow removal, the main body of the first snow remover and the vertical member of the second snow remover are brought into contact with the wall surface of the greenhouse, so that the snow accumulated on the wall surface of the greenhouse is removed. The snow blower according to claim 1 or 2, characterized in that.   The snow removal machine according to any one of claims 1 to 3, wherein the auger type snow removal unit is attached to a self-propelled farm equipment or a self-propelled snow removal machine via an attachment. .   The auger type snow removal unit is disposed at one end of the tool bar, and further includes a snow collecting unit disposed at the other end of the tool bar, the snow collecting unit collecting a snow collecting plate for collecting snow, and the snow collecting plate as a tool bar A vertical member for mounting and a flag installing member for setting a flag for displaying the position of the end of the snow collecting plate, and a saw blade-like portion is provided on the lower edge of the snow collecting plate The snow remover according to any one of claims 1 to 3, wherein the snow blower is provided.   A member that supports the auger-type snow removing portion is nested in an end portion of the toolbar, and a tip of a piston rod of a cylinder installed in the toolbar is connected to the supporting member, and the piston rod is 6. The snow removal machine according to claim 5, wherein the auger type snow removal unit can be moved in a horizontal direction by extending and contracting.   The snow remover according to claim 5 or 6, wherein a tractor is connected to the tool bar.

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