JPH0512335Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Field of Application] This invention relates to an automobile snow blower that is detachably attached to a motor vehicle such as a four-wheel drive vehicle.

[Conventional technology]

Conventionally, commonly used rotary snow blowers use a rotating horizontal shaft auger to collect almost all of the snow on the road surface in front of the vehicle body in the center of the vehicle width direction, and then use a powerful blower to throw it in any direction. The purpose was to restore and maintain the functionality of roads by making snow.

In addition, as described in Japanese Patent Publication No. 55-31244, an auger detachably connected to the front of the vehicle body is driven by a hydraulic system installed on a bulldozer or truck. There is also a known snow blower that pushes the snow on the road surface outward in the width direction of the vehicle, but this is intended to remove almost all of the snow on the road surface to restore and maintain the functionality of the road. .

Furthermore, as described in Japanese Utility Model Application Publication No. 53-83828, a casing with a concave arc-shaped cross section with an open front surface of the snow removal auger is removably fixed to the bumper of the automobile via a coupler, A screw extending along the vehicle width direction of the automobile is provided, a plurality of sleds are provided at the lower end of the casing, and a power mechanism such as an engine that rotates the screw is installed at one end of the casing in the left-right (vehicle width) direction. There was also a snow blower installed on the rear side.

This snow blower is used by being removably attached to an ordinary automobile, and uses a power mechanism such as an engine to rotate a screw to push snow from one end of a casing in the left-right direction to the other end.

[Problem that the invention attempts to solve]

The conventional snow blowers mentioned above restore and maintain the functionality of the road by removing almost all of the snow on the road surface until the road surface is exposed. The auger must have a robust structure, which increases its weight and size.

By the way, in general automobiles, especially all-wheel drive vehicles, if anti-slip devices such as tire chains are attached to the four wheels, the wheels may become buried in the snow and the underfloor of the vehicle body may come into contact with the compacted snow, causing the wheels to lift off the surface of the compacted snow. As long as the vehicle does not get stuck on the snow surface, it is possible to drive on the snow surface, and if the amount of snow that can be removed by the running ability due to the friction coefficient between the wheels and the snow surface is small, then the vehicle itself will be able to drive on the snow surface. It is possible to drive through snow removal.

This idea was developed with the above-mentioned points in mind, and allows snow to remain at a level slightly lower than the height between the bottom edge of the car's wheels and the underside of the car body, while eliminating the accumulated snow above that level. To provide a snow removal machine for an automobile, which reduces the load and running resistance during snow removal by configuring the structure, enables general automobiles to drive snow removal, and allows the entire device to be made smaller and lighter. The purpose is to

[Means for solving problems]

The snow blower for an automobile according to this invention includes a small engine disposed in front of the central part of the automobile in the vehicle width direction, and a small engine disposed in front of the center portion of the vehicle in the vehicle width direction, in a machine frame that is removably fixed to the front of the chassis of the automobile. A snow removal auger is equipped with left and right screws on a horizontal shaft that pushes snow outward from the center to the left and right ends, and rotational force is transmitted from the small engine to the center ends of the left and right screws in the vehicle width direction, respectively. A power transmission device is provided, the lower edge of the casing is located at a level higher than the lower end of the wheels of the vehicle and slightly lower than the underfloor surface of the vehicle body, and the left and right outer ends of the casing protrude outward in the vehicle width direction. It is something.

[Effect]

The snow removal machine of this invention works by fixing the machine frame in front of the car and driving the small engine while driving the car, and the snow on the road is pushed into the casing of the snow removal auger by the forward movement of the car. This pushed snow is sent to the outside of both ends in the vehicle width direction by the rotating left and right screws, and is pushed out into the snow on the sides. In this case, the auger casing leaves the snow at a level slightly lower than the underfloor of the car body and removes only the snow above that level, which reduces the load on the auger and reduces running resistance. In addition, the underfloor surface of the vehicle body is not obstructed by snow, making it possible to easily remove snow using a general automobile.

In addition, the snow blower according to this invention pushes snow from the center in the vehicle width direction to the outside of both the left and right ends of the casing by rotating the left and right screws, so it has good snow removal efficiency and reduces the running resistance of the car. Can be reduced.

Furthermore, in the snow blower of this invention, the snow that is pushed into the casing as the car moves forward is a small amount of relatively low-density snow in the upper layer, and the snow that is pushed in is removed from the left and right side of the casing by left and right screws. Since the snow is ejected outward from both ends, the engine output only needs to be small, which allows the entire snow removal machine to be made smaller and lighter.

〔Example〕

An embodiment of this invention will be described below with reference to the drawings.

In the figure, 1 is a machine frame, and this machine frame 1 is
It is disposed at the front of the automobile 2 and is removably fixed to a side L-shaped mounting stay 4 fixed to the front end of a chassis 3 of an automobile 2, preferably a four-wheel drive vehicle.
A small engine 5 for general industrial use is fixed to the upper part of the machine frame 1, and is arranged in front of the center of the vehicle 2 in the vehicle width direction, and a casing of a snow removal auger 6 is fixed to the lower part of the engine 5 of the machine frame 1. 7 is fixed. The auger 6 has a pair of left and right horizontal screws 8, 8 which are pivotally supported in a casing 7 having an open front surface. The casing 7 is arranged such that its lower edge is within the minimum height (for example, 15 to 30 cm) from the snow surface where the lower ends of the wheels of the automobile 2 touch to the underfloor surface of the vehicle body, and is located at a level slightly lower than the underfloor surface. Furthermore, both left and right ends of the casing 7 are configured to have a length that slightly protrudes outward in the vehicle width direction. Further, the screws 8, 8 are formed to push out snow from the central portion in the vehicle width direction toward the outside of both left and right ends. A power transmission device 9 disposed behind the casing 7 is fixed to the machine frame 1, and the rotation of the engine 5 is controlled by the power transmission device 9 and this device 9.
are transmitted to the center ends of the screws 8, 8 in the vehicle width direction through a bevel gear mechanism 10 that constitutes a part of the screws 8, 8, respectively.

In the snow removal machine of this embodiment configured as described above, when the machine frame 1 is positioned in front of the vehicle 2 via the mounting stay 4 and the vehicle 2 is moved forward while driving the small engine 5, the road surface The upper snowfall is forced into the casing 7 of the auger 6. The snow pushed into the casing 7 is moved to the left side of the casing 7 by the rotation of the screws 8, 8 by the engine 5.
It is sent from the center in the right direction to the left and right sides, and is pushed out into the snow outside both ends of the casing 7. In this case, since the lower edge of the casing 7 of the auger 6 is located at a level slightly lower than the height of the underfloor surface of the car body of the car 2, only the relatively low-density snow above this level will be removed. Accordingly, the snow removal load applied to the auger 6 is reduced, the running resistance to the vehicle is reduced, and the underfloor surface of the vehicle body is no longer in contact with the snow compaction surface. Further, since both ends of the casing 7 slightly protrude outward in the vehicle width direction of the automobile 2, snow is removed to a width slightly wider than the vehicle width.

Therefore, by driving the car 2 on a snowy surface with anti-slip devices such as chains attached to the driving wheels of the car 2, the car 2 can run without the wheels slipping, and the underfloor surface of the car body is covered with snow after the snow has been removed. Since there is no contact with the surface, the running ability of the automobile 2 is ensured, and a general four-wheel drive vehicle can drive snow removal without any trouble. In addition, since the lower edge of the casing 7 is always located above the road surface, it does not interfere with the road surface unlike in the past, and the structure of the entire device including the casing is therefore more robust than in the past. There is no need to do this, and the weight of the device can be reduced.

In addition, in the snow blower of this embodiment, snow is pushed out from the center in the vehicle width direction to the outside of both the left and right ends of the casing 7 by the rotation of the left and right screws 8, 8.
Compared to conventional models with one screw, the snow removal distance is shorter and snow can be removed more efficiently.

Furthermore, in this embodiment, the small engine 5
is placed in front of the center in the vehicle width direction, and the power transmission device 9 transmits rotational force from this engine 5 to the left and right screws 8, 8, resulting in good balance in the vehicle width direction and power transmission. The device 9 can be made small and lightweight with a simple structure, and the engine that drives the screw can be a small and lightweight one with low output, as it is only necessary to eject the minimum amount of snow, as described above. As a result, the snow removal machine as a whole can be made small and lightweight, and can be easily attached to and detached from a car, and can also be easily carried in a detached state.

When a vehicle makes a sharp turn, the width of the path it travels increases, so it is necessary to move backwards and then forwards again to widen the snow removal width before turning. When the snow is dense and deep, it is necessary to repeatedly move forward and backward at a slow speed to use the vehicle within the range of its snow removal capacity.

In this invention, in order to make it easier to install the auger in a car when not in use, it is preferable to make it possible to disassemble the auger into multiple parts other than dividing it into left and right halves, and the mounting stay should always be placed on the car side. It may be fixed or detachable from the vehicle, and in the latter case it may be integrated with the machine frame. Furthermore, in this invention, the small engine may be controlled to start, stop, etc. by remote control from the driver's seat of the automobile.

[Effect of idea]

As explained above, the snow removal machine for automobiles according to this invention has the lower edge of the casing of the snow removal auger attached to the machine frame that is removably fixed in front of the chassis of the automobile to the underfloor surface of the vehicle body which is higher than the lower end of the wheels of the automobile. The snow removal auger is positioned at a slightly lower level so that the snow above this level is pushed into the casing as the car runs, reducing the load on the snow removal auger and reducing running resistance. The lower surface will no longer be obstructed by the snow surface. Accordingly, snow removal can be easily performed using a general automobile.

In addition, the snow blower according to this invention pushes snow from the center in the width direction of the vehicle to the outside of both the left and right ends of the casing by rotating the left and right screws. It has good discharge efficiency and can reduce running resistance.

Furthermore, in the snow blower of this invention, the snow that is pushed into the casing as the car moves forward is a small amount of relatively low-density snow in the upper layer, and the snow that is pushed in is removed from the left and right screws of the casing. Since the snow is ejected outward from both ends, the engine output only needs to be small, which makes the entire snow removal machine smaller and lighter, and it can be easily attached to and removed from a car, allowing it to be carried when removed. It's also easy to do.

[Brief explanation of the drawing]

Fig. 1 is a side view showing a snow removal machine according to an embodiment of this invention together with a car, Fig. 2 is a front view of the same, and Fig. 3
The figure is a plan view of the same. 1... Machine frame, 2... Automobile, 3... Chassis,
4...Mounting stay, 5...Small engine, 6...
Snow removal auger, 7...casing, 8...screw, 9...power transmission device.

Claims (1)

[Scope of utility model registration request] A small engine placed in front of the center of the vehicle in the vehicle width direction is attached to a machine frame that is removably fixed to the front of the chassis of the vehicle, and a casing that pushes snow outward from the center in the vehicle width direction to the left and right ends. A snow removal auger with left and right screws on the horizontal axis,
A power transmission device is provided for transmitting rotational force from the small engine to the central ends of the left and right screws in the vehicle width direction, respectively, and the lower edge of the casing is higher than the lower end of the wheel of the automobile and slightly lower than the underfloor surface of the vehicle body. A snow blower for an automobile, characterized in that the casing is located at a level, and the left and right outer ends of the casing protrude outward in the vehicle width direction.