JP2019218741A - Walking-type snowplow - Google Patents

Abstract

To provide a walking-type snowplow equipped with a snow cutting bar with which deformation is less likely to occur while increasing the efficiency of snow removal work.SOLUTION: A walking-type snowplow comprises: a machine body 3; an auger 13 provided at the front of the machine body 3 for scraping snow; an auger housing 11 for rotatably supporting the auger 13; and a snow cutting bar 16. The position of the forward end of the snow cutting bar 16 in the longitudinal direction of the machine body 3 is arranged near the front end of the auger 13.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a walking type snow plow including a body body, an auger provided in front of the body body to collect snow, an auger housing rotatably supporting the auger, and a snow cutting bar.

  The snow-cutting bar is used to cut relatively high piles of snow and drop it in front of the auger, thereby increasing the efficiency of the snow removing work. As this type of walking snow remover, there is one disclosed in Patent Document 1, for example.

JP 2017-71969 A

  In a conventional walking snow plow, the position of the front end of the snow cutting bar in the front-rear direction of the body of the body protrudes forward from the position of the auger. Therefore, at the time of snow removal work, the snow cutting bar is likely to receive the pressure of the snow accumulated in front of the fuselage main body, and there is a possibility that the snow cutting bar may be deformed.

  The present invention provides a walking snow plow equipped with a snow cutting bar that is less likely to be deformed while improving the efficiency of snow removal work.

The walking type snow plow according to the present invention comprises:
The fuselage body,
An auger provided in front of the body of the fuselage, for collecting snow;
An auger housing that rotatably supports the auger,
With a snow cutting bar,
A position of a front end of the snow cutting bar in a front-rear direction of the body body is disposed near a tip of the auger.

  According to this configuration, the position of the front end of the snow-cutting bar in the front-rear direction of the fuselage body is located near the tip of the auger, so that during snow removal work, the snow pressure accumulated in front of the body is reduced by the snow-cutting bar. Not only that, but also by the auger. Therefore, since the load on the snow cutting bar is reduced, deformation of the snow cutting bar can be prevented.

  In the present invention, the snow cutting bar has a first portion supported on each of left and right side surfaces of the auger housing, and ends of the first portion opposite to a side supported by the auger housing. And a second portion for connecting

  According to this configuration, since the snow-cutting bar has a square U-shape, the snow accumulated in front of the body of the auger housing can be more efficiently shaved off over the entire width of the auger housing.

  In the present invention, it is preferable that a pair of the first portion and the second portion are formed by bending a band-shaped flat plate member.

  According to this configuration, since the snow-cutting bar is formed by bending the belt-shaped flat plate member, the snow-cutting bar can be configured to be simpler.

  In the present invention, a support portion of the first portion, which is supported on a side surface of the auger housing, is provided with a first support portion provided at a rear end of the snow cutting bar, and substantially in a longitudinal direction of the first portion. It is preferable to include a second support portion projecting from the first portion in a direction orthogonal to the first portion.

  According to this configuration, when the snow cutting bar is supported on the side surface of the auger housing, the distance between the two support portions is smaller than that in a conventional case where two support portions are linearly arranged along the snow cutting bar. , The strength of the snow cutting bar can be maintained, and the snow cutting bar can be easily attached to the auger housing.

  In the present invention, it is preferable that the second support portion protrudes only below the first portion.

  According to this configuration, the first support portion and the second support portion can be provided with a simpler configuration.

  In the present invention, a long hole which is long in the longitudinal direction of the first portion and through which a fixing member can be inserted is formed in the first support portion and the second support portion, and the first portion is It is preferable that it is constituted so that it can be moved and fixed in the longitudinal direction.

  According to this configuration, the first portion can be moved and fixed in the longitudinal direction within the range of the long hole, so that the amount of protrusion of the snow cutting bar in the front-rear direction of the body body can be adjusted.

  In the present invention, the first portion is supported swingably in the front-rear direction with the first support portion as a fulcrum, and the second support portion projects above and below the first portion. A plurality of holes through which the fixing member can be inserted are formed in the second support portion, and the installation angle of the snow cutting bar can be changed by changing the hole through which the fixing member is inserted. It is suitable to be comprised in.

  According to this configuration, the installation angle of the snow cutting bar can be changed in accordance with the height of the snow piled in front of the body of the machine, so that the working efficiency is further improved.

It is a side view which shows the whole walking type snow plow. It is a top view showing the whole walk type snow plow. It is a side view which shows a snow removal part. It is a side view which shows another embodiment of a snow removal part. It is a side view which shows another embodiment of a snow removal part.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is a side view showing the entire walking snowplow according to the embodiment of the present invention. FIG. 2 is a plan view showing the entire walking snowplow according to the embodiment of the present invention. The direction of [F] shown in FIGS. 1 and 2 is “front side” of the body main body, the direction of [B] is “rear side” of the body body, and the direction of [L] is “left side” of the body body, [R]. Is defined as [right side] of the fuselage body.

  As shown in FIGS. 1 and 2, the walking snow remover includes a body frame 3 in which a body frame 1 is provided with a pair of left and right crawler traveling devices 2. The fuselage body 3 includes a pair of left and right steering handles 4 provided at a rear portion thereof, and is configured to be a walking type so as to travel and steer the body body 3 while walking behind the body 3. A snow removal unit 10 is disposed in front of the body 3. The engine 5 is arranged above the body 3 behind the snow removing section 10. The engine 5 is supported by the support frame 30 while being mounted on the support frame 30.

  The fuselage frame 1 includes a pair of left and right body frame front-rear track frames 20 and a horizontal connection frame portion 21. The connection frame portion 21 connects the rear portions of the left and right track frame portions 20.

  The left and right crawler traveling devices 2 are rotatably supported by the track frame portion 20 in a state in which the drive wheel body 23 is drivably supported at the front end of the track frame portion 20 and is located behind the drive wheel body 23. And a crawler belt 25 wound around the drive wheel 23 and the driven wheel 24. Between the drive wheel body 23 and the driven wheel body 24, a stopper member 26 is engaged with the crawler belt 25. The retaining member 26 is supported by the track frame section 20. The left and right crawler traveling devices 2 and the snow removing unit 10 are driven by transmitting a driving force from the engine 5.

  The pair of left and right steering handles 4 extend upward and rearward from the left and right ends of the connection frame 21. The left and right handle support frame portions 22 are formed by plate members. The plate-shaped member is attached to the connection frame portion 21 in an attachment posture in which the plate thickness direction is the body width direction. The bases 4a of the left and right steering handles 4 are supported on the lateral sides of the handle support frame 22 on the lateral side of the body. The left and right steering handles 4 are constituted by round pipe members. The base portions 4a of the left and right steering handles 4 are subjected to a pressing deformation process in a state where a part of the outer peripheral surface is flat. The base 4a is connected to the handle support frame 22 with a flat surface along the side surface of the handle support frame 22. In the present embodiment, the base 4a and the handle support frame 22 are connected by connecting bolts. The connecting means between the base 4a and the handle support frame 22 is not limited to the connecting bolt, but may be welding.

  A grip 4b is provided at the extended end of the left and right steering handles 4. The grips 4b of the left and right steering handles 4 extend in the front-rear direction of the body 3 of the aircraft. A portion between the grip portion 4b and the base portion 4a of the left and right steering handles 4 is connected by a reinforcing rod 41. The left and right steering handles 4 reinforce each other by supporting each other by the connection with the reinforcing rod 41. An operation panel 42 is supported between the left and right steering handles 4.

  The support frame 30 is supported by the body 3 so as to be able to swing up and down with the rotation axis of the drive wheel body 23 of the left and right crawler traveling devices 2 as the swing axis Z. The support frame 30 includes an operation arm 31 extending rearward from a rear portion of the support frame 30. An elevating drive mechanism 32 is provided over the extended end of the operation arm 31 and the body frame 1. The elevating drive mechanism 32 is driven to adjust the swing of the support frame 30 up and down with respect to the body frame 1, and is stopped to fix the support frame 30 at the adjusted swing position.

  By operating the lifting / lowering drive mechanism 32, the snow removal unit 10 can be adjusted vertically with respect to the body 3 and the height of the snow removal unit 10 with respect to the ground can be adjusted. In order to adjust the height of the snow removing unit 10 to the ground, the support frame 30 swings up and down with the rotation axis of the driving wheel body 23 of the left and right crawler traveling device 2 as the swing axis Z, and the snow removing unit 10 and the engine are rotated. 5 and a traveling mission (not shown) integrally swing up and down with the rotation axis of the left and right drive wheel bodies 23 as the swing axis Z, so that the driving force is transmitted from the engine 5 to the snow removing section 10. There is no need to provide a special interchangeable structure for allowing the snow removing unit 10 to move up and down in the transmission system and the traveling transmission system that transmits driving force from the engine 5 to the left and right crawler traveling devices 2. Further, even if the height of the snow removing unit 10 is changed, the attitude of the body 3 is not changed, and the attitude of the steering wheel 4 is not changed.

  The elevating drive mechanism 32 and the battery 6 for the power supply are arranged in the lateral width direction of the body main body. The protrusion of the battery 6 backward from the lifting drive mechanism 32 can be suppressed. Further, the battery 6 is unlikely to become an obstacle when performing the work of inspecting and repairing the lifting drive mechanism 32 from the rear of the body of the machine.

  As shown in FIG. 2, the lifting operation switch 7 is supported by the right steering handle 4 in a state where it is located on the inside of the grip portion 4 b of the right steering handle 4 on the lateral side of the fuselage. The elevating operation switch 7 is located at a position where a finger that supports the grip portion 4b can be operated with fingers. Specifically, a boss portion 71 is provided at a position on the front side of the grip portion 4b of the steering handle 4. A support member 72 extends rearward from the boss 71. The elevating operation switch 7 is supported on the extending end of the support member 72. In this embodiment, the lifting operation switch 7 is supported by the right steering handle 4, but may be supported by the left steering handle 4.

  By pushing the front end portion of the lifting / lowering operation switch 7, a lifting / lowering control unit (not shown) controls the electric motor to the lower side, and the snow removing unit 10 can be lowered. By pushing the rear end portion of the raising / lowering operation switch 7, the lifting / lowering control unit controls the electric motor to the raising side, so that the snow removing unit 10 can be raised. As long as the lifting / lowering operation switch 7 is pressed, the snow removing unit 10 continuously moves up and down unless the snow removing unit 10 reaches the stroke end.

The headlight 8 is provided on the operation panel 42.
A hydraulic oil tank 9 is supported by the body 3. Specifically, the hydraulic oil tank 9 is supported by the steering handle 4 via the lower reinforcing rod 7. The hydraulic oil tank 9 and HST (not shown) are connected by an oil supply path 90. The oil supply passage 90 is formed by a flexible hose and has flexibility. By storing the hydraulic oil in the hydraulic oil tank 9, the hydraulic oil is automatically supplied to the HST.

  As shown in FIG. 3, the walking snow remover allows the snow removing section 10 to perform the snow removing operation by running the body 3. That is, the snow S raked by the auger 13 of the snow removing unit 10 is discharged from the discharge port 15 a of the shooter 15 by the ejection power of the blower 14.

  The snow removing section 10 includes an auger housing 11 and a blower case 12 connected to a rear portion of the auger housing 11, and is supported by the support frame 30 by connecting the blower case 12 to a front end of the support frame 30. ing. An auger 13 is supported by the auger housing 11 so as to be rotatable. A blower 14 is housed in the blower case 12 so as to be rotatable. A shooter 15 projects upward from the blower case 12.

  A snow cutting bar 16 is provided over the entire left and right width of the auger housing 11. The snow cutting bar 16 includes a first portion 16a supported on each of the left and right side surfaces of the auger housing 11, and a first portion 16a for connecting ends of the first portion 16a opposite to the side supported by the auger housing 11. And two portions 16b. In the snow cutting bar 16 in the present embodiment, a pair of first portions 16a and second portions 16b are formed by bending a band-shaped flat plate member.

  As shown by the dashed line L in FIG. 1, the position of the front end of the snow cutting bar 16 in the front-rear direction of the body of the machine is located near the tip of the auger 13. With this configuration, in the snow removing operation, the pressure of the snow S accumulated in front of the body 3 is received not only by the snow cutting bar 16 but also by the auger 13. Therefore, the load applied to the snow cutting bar 16 is reduced, so that the snow cutting bar 16 can be prevented from being deformed.

  The supporting portion of the first portion 16a, which is supported on the side surface of the auger housing 11, has a first supporting portion 161 provided at the rear end of the snow cutting bar 16 and a direction substantially orthogonal to the longitudinal direction of the first portion 16a. A second support portion 162 protruding from the first portion 16a. In the present embodiment, the second support portion 162 projects only below the first portion 16a. According to this configuration, when the snow-cutting bar 16 is supported on the side surface of the auger housing 11, compared to a conventional case where two support portions are linearly arranged along the snow-cutting bar 16, the two The strength of the snow cutting bar 16 can be maintained while shortening the distance therebetween, and the snow cutting bar 16 can be easily attached to the auger housing 11.

[Another embodiment]
(1) The snow cutting bar 16 is not limited to the above-described embodiment. As shown in FIG. 4, long holes A, A that are long in the longitudinal direction of the first portion 16a and through which fixing members B such as bolts can be inserted. 'May be formed on each of the first support portion 161 and the second support portion 162 so that the first portion 16a can be moved in the longitudinal direction and fixed. According to this configuration, since the first portion 16a can be moved and fixed in the longitudinal direction within the range of the long holes A and A ', the protrusion amount of the snow cutting bar 16 in the longitudinal direction of the body 3 is adjusted. can do.

  (2) The snow cutting bar 16 is not limited to the above-described embodiment, and as shown in FIG. 5, the first portion 16a is supported swingably in the front-rear direction with the first support portion 161 as a fulcrum. , The second support portion 162 protrudes above and below the first portion 16a, and a plurality of holes C through which a fixing member B such as a bolt can be inserted is formed in the second support portion 162. By changing the hole C through which the snow cutting bar 16 is inserted, the installation angle of the snow cutting bar 16 may be changed. According to this configuration, the installation angle of the snow cutting bar 16 can be changed according to the height of the snow S piled up in front of the body 3, and thus the working efficiency is further improved.

  INDUSTRIAL APPLICABILITY The present invention can be applied to a walking type snow plow provided with an auger provided in front of a body of a vehicle to collect snow, an auger housing rotatably supporting the auger, and a snow cutting bar.

1: body frame 2: crawler traveling device 20: track frame part 21: connecting frame part 22: handle support frame part 23: driving wheel body 24: driven wheel body 25: crawler belt 26: stopper member 3: body body 30: Support frame 31: Operation arm 32: Lift drive mechanism 4: Steering handle 4a: Base 4b: Grip 41: Reinforcing rod 42: Operation panel 5: Engine 6: Battery 7: Lift operation switch 71: Boss 72: Support member 8: Headlight 9: Hydraulic oil tank 90: Oil supply path 10: Snow removing section 11: Auger housing 12: Blower case 13: Auger 14: Blower 15: Shooter 16: Snow cutting bar 16a: First part 161: First support Portion 162: Second support portion 16b: Second portion A, A ': Slot Z: Swing axis S: Snow B: Fixing member C: Hole L: Single-dot chain line

Claims (7)

The fuselage body,
An auger provided in front of the body of the fuselage, for collecting snow;
An auger housing that rotatably supports the auger,
With a snow cutting bar,
A walking snow plow, wherein a position of a front end of the snow cutting bar in a front-rear direction of the body is disposed near a tip of the auger.   A second portion that connects a first portion supported by each of the left and right side surfaces of the auger housing to an end of the first portion opposite to a side supported by the auger housing; The walking snow plow according to claim 1, comprising a portion.   The walking snow plow according to claim 2, wherein a pair of the first portion and the second portion are formed by bending a band-shaped flat plate member.   A support portion of the first portion, which is supported on a side surface of the auger housing, includes a first support portion provided at a rear end portion of the snow cutting bar, and a first support portion provided in a direction substantially orthogonal to a longitudinal direction of the first portion. The walking type snow plow according to claim 2 or 3, further comprising a second support portion protruding from the first portion.   The walking type snow plow according to claim 4, wherein the second support portion projects only below the first portion.   An elongated hole which is long in the longitudinal direction of the first portion and through which a fixing member can be inserted is formed in the first support portion and the second support portion, and moves the first portion in the longitudinal direction. The walking snow plow according to claim 4 or 5, wherein the walking snow plow is configured to be fixed.   The first portion is swingably supported in the front-rear direction with the first support portion as a fulcrum, and the second support portion projects above and below the first portion, and a fixing member is provided. A plurality of holes that can be inserted are formed in the second support portion, and the installation angle of the snow cutting bar can be changed by changing the hole through which the fixing member is inserted. The walking snow plow according to claim 4.

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