JP4101667B2 - snowblower - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a snow removal machine in which an auger for snow removal is provided at the front of the machine body.
[0002]
[Prior art]
There is a snow remover equipped with an auger as a means for removing snow on a road surface or a parking lot (see, for example, Patent Document 1).
[0003]
[Patent Document 1]
JP 2000-170132 A (page 5, FIG. 14)
[0004]
The above Patent Document 1 will be described in detail with reference to the following figure.
FIG. 8 is a perspective view showing a main part of a conventional snow remover. The code was reassigned.
According to the snowplow 200, the machine body 201 is provided with an engine, and the auger 204 and the blower provided in the front part 203 of the machine body 201 are driven by this engine. In this state, the traveling means 205 provided in the lower part of the machine body 201 is driven to advance.
As a result, the snow removing machine 200 is moved forward to scrape the snow with the auger 204, the scraped snow is sprinkled up with the blower, and the snow is thrown onto the desired position with the shooter 206.
[0005]
The snowplow 200 includes a battery 207 for supplying current to an engine starter and spark plug.
Specifically, a battery mounting base 210 is attached to an auger housing 208 that stores an auger and a blower housing 209 that stores a blower. After the battery 207 is mounted on the battery mounting base 210, a battery cover is placed on the upper end of the battery 207. 211 is attached.
By attaching the battery cover 211 to the upper end of the battery 207, it is possible to prevent snow and water from being applied to the upper part of the battery 207.
[0006]
[Problems to be solved by the invention]
Here, if the auger 204 and the engine that drives the blower are left exposed, snow and water are applied to the engine, which adversely affects the engine. For this reason, it is preferable to cover the engine with a cover as well as the battery 211.
[0007]
On the other hand, in order to jump up the snow scraped by the auger 204 upward with the blower, it is necessary to set the rotational speed of the blower to a certain level. For this reason, wind noise is generated during rotation of the blower, and this wind noise is felt as annoying noise for the operator.
It is conceivable to cover the upper part of the blower housing 209 with a cover as a means for suppressing wind noise of the blower.
[0008]
However, if the engine and the blower housing 209 are respectively covered with individual covers, an engine cover and a blower housing cover are required in addition to the battery cover, and the number of parts increases.
[0009]
Accordingly, an object of the present invention is to provide a snow remover that is configured to cover a battery, an engine, and a blower housing with a cover and that can suppress the number of parts.
[0010]
[Means for Solving the Problems]
In order to achieve the above object, according to a first aspect of the present invention, there is provided a snow remover in which an auger, a blower, and a shooter are arranged at a front portion of a machine body, the snow collected by the auger is spun up by the blower, and the snow is thrown through the shooter Is placed in the blower housing, and a mounting base for mounting the battery is provided on the upper part of the blower housing, and the cover provided on the machine body is extended forward so as to cover the battery mounted on the mounting base together with the upper part of the blower housing. In the snowplow, the shooter is provided at an upper portion of the blower housing, a through hole that penetrates the shooter is formed in the cover, and the shooter is penetrated through the through hole, so that the upper portion of the blower housing The portion excluding the shooter is covered with the cover .
[0011]
A battery was mounted on the upper part of the blower housing, and the battery and the blower housing were covered with a cover extending forward from the airframe. By covering the battery with the cover, it is possible to prevent the battery from being covered with snow or water.
Further, by covering the upper part of the blower housing with the cover, it is possible to suppress wind noise generated by the rotation of the blower.
[0012]
Further, by covering the battery and the blower housing with a cover extending forward from the airframe, the cover attached to the airframe can also be used as a cover for covering the battery and the blower housing.
[0013]
According to the second aspect of the present invention, a driving source for driving the auger and the blower is mounted on the airframe, and this driving source is also covered with a cover.
[0014]
Accordingly, the cover that covers the battery and the blower housing can also cover the drive source that drives the auger and the blower. By covering the drive source with the cover, it is possible to prevent the drive source and its electrical parts from being covered with snow and water.
Further, by covering the drive source with this cover, it is possible to suppress operating noise generated from the drive source.
In addition, a single cover attached to the fuselage can be used as a battery cover, a blower housing cover, and a drive source cover.
[0015]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below with reference to the accompanying drawings. Here, “front”, “back”, “left”, and “right” follow the direction as viewed from the operator. The drawings are viewed in the direction of the reference numerals.
FIG. 1 is a perspective view showing a snowplow according to the present invention.
In the snowplow 10, the machine body 11 is constituted by a transmission case, a traveling electric motor 12 (only the left transmission motor is shown) is attached to the lower left and right sides of the machine body 11, and the traveling unit 13 is attached to the left and right electric motors 12. The snow removing engine (drive source) 14 is attached to the upper part of the machine body 11, the auger device 15 driven by the engine 14 is attached to the front part of the machine body 11, and the rear part of the auger device 15 and the engine 14 are covered by the cover 20. The left and right operation handles 17 and 18 are extended from the upper part of the body 11 to the rear upper side, the operation panel 19 is attached between the left and right operation handles 17 and 18, and the operator grips 17 a and 17 on the left and right operation handles 17 and 18. This is a self-propelled walking type work machine that is taken from behind the operation panel 19 while holding the 18a.
[0016]
The travel unit 13 includes a left travel unit 30 outside the left drive motor 12 and a right travel unit (not shown) outside the right drive motor (not shown). In addition, since the right side traveling unit has the same configuration as the left side traveling unit, description thereof is omitted.
The left traveling unit 30 includes a left drive wheel 31 connected to the left transmission motor 12, and a left idler wheel 32 is rotatably provided behind the drive wheel 31. The left drive wheel 31 and the idler wheel 32 are connected to each other. The crawler belt 33 is rotated by winding the left crawler belt 33 and driving the drive wheels 31 by the drive motor 12.
[0017]
According to the snowplow 10, the snowplow 10 can be run by rotating the left and right crawler belts 33 of the running unit 13 with the left and right electric motors 12 while the auger device 15 is driven by the engine 14. it can.
[0018]
FIG. 2 is a side view showing the snowplow according to the present invention, in which the cover 20 is indicated by an imaginary line.
The auger device 15 is provided with a blower housing 35 at the front portion 11a of the airframe 11, and an auger housing 37 is provided at the front portion 36 of the blower housing 35. A drive shaft 38 extends forward from the engine 14, and the drive shaft 38 is connected to the blower. A power transmission unit 43 is formed by extending the housing 35 through the auger housing 37, attaching a blower 40 disposed in the blower housing 35 in the middle of the drive shaft 38, and disposing the tip 39 of the drive shaft 38 in the center in the vehicle width direction. The left and right auger shafts 45 and 46 (see FIG. 1 for the right auger shaft 46) are extended from the power transmission portion 43 in the left-right direction, and the left and right auger shafts 45 and 46 are respectively connected to the left and right auger shafts. 48 and 49 (the right auger 49 is shown in FIG. 1).
[0019]
The engine 14 is a vertical engine in which the crankshaft 25 is extended in the vertical direction. The power of the engine 14 is transmitted to the drive shaft 38 via the auger transmission mechanism 26 housed in the machine body (that is, the transmission case) 11.
The engine 14 has a cylinder portion 59 in which a piston (not shown) reciprocates facing rearward, and a front surface 27a of the engine body 27 that houses the crankshaft 25 is disposed on the rear surface of the auger device 15 (that is, a blower housing). 35 is adjacent to the rear surface 35c).
[0020]
By rotating the drive shaft 38 with the engine 14, the blower 40 is rotated with the drive shaft 38, and the left and right auger shafts 45 and 46 are rotated via the power transmission unit 43. The left and right augers 48 and 49 are rotated.
[0021]
In this state, the snow remover 10 is moved forward to cause the left and right augers 48 and 49 to bite into the snow to break the snow, and the broken snow is scraped to the center in the vehicle width direction by the left and right augers 48 and 49.
The scraped snow is spun up by the blower 40, and the sputtered snow is guided to the desired position by the shooter 53 provided on the upper part 35b of the blower housing 35.
[0022]
The cover 20 is configured to be divided into an upper cover portion 21 and a lower cover portion 22.
The upper cover portion 21 covers the engine 14 and the upper portion 35 b of the blower housing 35, and ignites the fuel gas 58 (see FIG. 7) that opens and closes the oil supply port 55 and the fuel line 57 of the engine 14, and the mixed gas in the cylinder 59. The spark plug 60 and the battery 61 (so-called daily maintenance component) that supplies current to the spark plug 60 are covered.
[0023]
Therefore, by removing the upper cover part 21 from the lower cover part 22, it is possible to expose the daily maintenance parts of the oil filler 55, the fuel cock 58, the spark plug 60, and the battery 61.
[0024]
A drain plug 62 (so-called extraordinary maintenance component) for draining engine oil is disposed on the lower cover portion 22 side.
When replacing the engine oil, the drain plug 62 is removed from the oil case 63 by inserting a tool from the gap between the lower cover portion 22 and the engine 14 with the upper cover portion 21 removed.
[0025]
FIG. 3 is a side view showing the cover of the snowplow according to the present invention.
The lower cover portion 22 is provided with an opening 65 in the bottom portion 64, and front and rear left and right side walls 66 to 69 (see FIG. 6 for the left side wall 68) are raised from the front and rear left and right sides of the bottom portion 64. A groove is formed in 71, a sealing material 73 is accommodated in the groove, and left and right locking claws 75 and 76 (see FIG. 7 for the right locking claw 76) are provided near the front end portions of the left and right side walls 68 and 69, respectively. Cover.
The bottom portion 64 of the lower cover portion 22 is placed on the upper portion 11b of the body 11, and the bottom portion 64 is fixed to the upper portion 11b of the body 11 with bolts 77,.
[0026]
The upper cover portion 21 is formed by inverting a member integrally formed in a substantially ship bottom shape so that the opening 80 is directed downward. In this state, the lower edge 81 is placed on the upper edge 71 of the lower cover portion 22 and the front end portion 82 is augered. The left and right rubber bands 86, 87 (see FIG. 7 for the right rubber band 87) provided on the left and right side walls 83, 84 are engaged with the left and right engaging claws 75, 76 of the lower cover portion 22 in contact with the housing 37. By doing so, it is a member attached to the lower cover part 22.
[0027]
The left and right rubber bands 86 and 87 are elastically deformable members. The left and right rubber bands 86 and 87 are locked to the left and right locking claws 75 and 76 while being elastically deformed.
Therefore, the lower edge 81 of the upper cover portion 21 is pressed against the upper edge 71 of the lower cover portion 22 by the elastic force of the left and right rubber bands 86, 87. The gap with the edge 71 is sealed with a sealing material 73.
[0028]
FIG. 4 is a perspective view showing a main part of the snowplow according to the present invention.
This snow blower 10 is provided with a blower housing 35 in the center of the rear part of the auger housing 37, the blower housing 35 surrounds the blower 40 (see FIG. 2), and a mounting table 90 is provided on the upper left portion 35a of the blower housing 35. A receiving portion 91 is placed on the mounting table 90, a battery 61 is mounted on the receiving portion 91, the battery 61 is fixed to the mounting table 90 by fixing means 92, and the upper cover of the cover 20 provided on the body 11 (see FIG. 2). The portion 21 extends forward, and the upper cover front portion 85 extending forward covers the battery 61 and the upper portion 35b of the blower housing 35.
[0029]
The fixing means 92 has front and rear stays 93 and 94 (see FIG. 6 for the rear stay 94) attached to the front and rear of the mounting table 90 with bolts 95..., And a front hook 96 of the front stay 93 and a rear hook 97 of the rear stay 94. A band 98 (see FIGS. 6 and 7) is hung on the upper surface 61 a of the battery 61 with the band 98 to fix the battery 61 to the mounting table 90.
[0030]
The connecting member 101 is attached to the upper ends of the front and rear stays 93 and 94 with bolts 102..., The support bracket 104 is fixed to the upper surface 101 a of the connecting member 101, and the left and right bent pieces 105 and 106 of the support bracket 104 are fixed. (Refer to FIG. 7 for the right bent piece 106) A light 107 is attached by bolts 108 and 108 so as to be swingable in the vertical direction.
[0031]
Thereby, the light 107 can be attached above the battery 61. The light 107 is covered with a light cover 88 formed integrally with the upper cover front portion 85 in a state where the upper cover portion 21 is fixed to the lower cover portion 22 (see FIG. 3).
[0032]
The connecting member 101 is a member formed in a substantially U shape by a front bent piece 101b, an upper surface 101a and a rear bent piece 101c (see FIGS. 6 and 7).
By attaching the connecting member 101 to the front and rear stays 93, 94 with bolts 102..., The front stay 93 and the front bent portion 101 b of the connecting member 101 protect the front portion 61 b of the battery 61, and the rear stay 94 and the connecting portion are connected. The rear bent portion 101c of the member 101 can protect the rear portion 61c (see FIGS. 6 and 7) of the battery 61, and the upper surface 101a of the connecting member 101 can protect the upper portion 61a of the battery 61.
Note that a through hole through which the shooter 53 passes is formed in the upper cover front portion 85 of the upper cover portion 21.
[0033]
Returning to FIG. 3, upper left portion 35a of the blower housing 35 mounted battery 61 (see FIG. 4), the battery 61 and the upper cover front portion 85 of the upper 35b from the fuselage 11 extended in front of the blower housing 35 ( Cover).
By covering the battery 61 at the upper cover front portion 85, so as not snow or water into the battery 61, it is possible to protect the battery 61 above the cover front portion 85.
Further, by covering the top 35b of the blower housing 35 on the cover front portion 85, it is possible to suppress wind noise caused by the rotation of the blower 40.
[0034]
Further, in the cover front part 85 upper extended forward from the machine body 11, by covering the top 35b of the battery 61 and blower housing 35, a cover 20 attached to the machine body 11, to cover the upper part 35b of the battery 61 and blower housing 35 Can also be used as a cover.
Therefore, it is not necessary to prepare a dedicated cover for the battery 61 or a dedicated cover for the upper portion 35b of the blower housing 35, so that the number of parts can be reduced.
[0035]
Next, the left and right augers 48 and 49 (see also FIG. 4) and the drive source (engine) 14 for driving the blower 40 are mounted on the body 11, and the engine 14 is also covered with the cover 20.
[0036]
In this way, by covering the engine 14 and its electrical components with a cover that covers the battery 61 and the upper portion 35b of the blower housing 35, the engine 14 is covered with the cover 20 so that the engine 14 and its electrical components are not exposed to snow or water. Can be protected.
Further, by covering the engine 14 with this cover 20, it is possible to suppress operating noise generated from the engine.
[0037]
In addition, the single cover 20 attached to the airframe 11 can be used as a cover that covers the battery 61, a cover that covers the upper portion 35 b of the blower housing 35, and a cover that covers the engine 14.
As a result, there is no need to prepare a dedicated cover for covering the battery 61, a dedicated cover for covering the upper portion 35a of the blower housing 35, or a dedicated cover for covering the engine 14, thereby reducing the number of parts. it can.
[0038]
Next, the operation of the snowplow will be described with reference to FIGS.
5 (a) and 5 (b) are first operation explanatory views showing the operation of the snowplow according to the present invention.
In (a), after placing the lower edge 81 of the upper cover portion 21 on the upper edge 71 of the lower cover portion 22 as shown by the arrow (1), the left and right rubber bands 86 and 87 (see FIG. 7 for the right rubber band 87). ) With your finger and pull it elastically as shown by arrow (2).
[0039]
In (b), the holes 89... Of the left and right rubber bands 86, 87 are fitted into the left and right engaging claws 75, 76 (see FIG. 7 for the right engaging claws 76) of the lower cover portion 22.
Specifically, the central holes 89 and 89 of the holes 89... Of the left and right rubber bands 86 and 87 are fitted into the left and right engaging claws 75 and 76 of the lower cover portion 22.
Thereby, the upper cover part 21 can be attached to the lower cover part 22.
[0040]
On the other hand, when the upper cover portion 21 is removed from the lower cover portion 22, the left and right rubber bands 86 and 87 are grasped with fingers and pulled and elastically deformed.
In this state, the holes 89, 89 of the left and right rubber bands 75, 76 are removed from the left and right engaging claws 75, 76 of the lower cover portion 22. Thereby, the upper cover part 21 can be removed from the lower cover part 22.
[0041]
Thus, since the holes 89, 89 of the left and right rubber bands 86, 87 are merely fitted into and removed from the left and right engaging claws 75, 76 of the lower cover portion 22, the upper cover portion 21 is not time-consuming. Can be easily attached and detached.
[0042]
FIG. 6 is a second operation explanatory view showing the operation of the snowplow according to the present invention.
By removing the upper cover portion 21 from the lower cover portion 22, the oil filling port 55, the fuel cock 58 (see FIG. 7), the spark plug 60 and the battery 61 are exposed.
The fuel cock 58 will be described in detail with reference to FIG.
[0043]
The oil supply port 55 is normally closed with a cap 56, and the cap 56 is removed when the engine oil is supplied. Thereby, the oil supply port 55 can be opened and the engine oil can be supplied from the oil supply port 55.
The spark plug 60 preferably increases the frequency of maintenance and management in order to suitably ignite the mixed gas in the cylinder 59.
In order to charge the battery 61 appropriately, it is preferable that the frequency of maintenance and management be increased to ensure a specified amount of electrolyte.
[0044]
For this reason, the oil filling port 55, the spark plug 60, and the battery 61 are configured to be exposed by removing the upper cover portion 21 from the lower cover portion 22.
Therefore, the oil filler port 55, the spark plug 60, and the battery 61 can be easily exposed by simply removing the upper cover portion 21 from the lower cover portion 22. Therefore, these daily maintenance parts 55, 60, 61 can be removed easily. Easy maintenance and management without spending time.
[0045]
In addition, since the cover 20 is divided into the upper and lower cover portions 21 and 22, it is not necessary to provide the cover 20 with a maintenance / management door that has been conventionally required. Thereby, the number of parts of the cover 20 can be reduced and the configuration can be simplified.
[0046]
On the other hand, since the drain plug 62 (unusual maintenance part) is arranged on the lower cover part 22 side, when replacing the engine oil, the upper cover part 21 is removed and the lower cover part 22 and the engine 14 are connected. The drain plug 62 can be removed from the oil case 63 by inserting a tool through the gap.
[0047]
FIG. 7 is a third action explanatory view showing the action of the snowplow according to the present invention.
The fuel cock 58 can be exposed by removing the upper cover portion 21 from the lower cover portion 22.
As an example, the fuel cock 58 is provided in the middle of a fuel line 57 that connects the fuel tank 110 and the carburetor 111.
[0048]
By closing the fuel cock 58, the fuel tank 110 and the carburetor 111 are shut off, and by opening the fuel cock 58, the fuel tank 110 and the carburetor 111 can be communicated with each other.
A filter 112 is provided in the middle of the fuel line 57.
[0049]
The fuel cock 58 is preferably closed when the snowplow 10 is not used. Therefore, when using the snow blower 10 or when the vehicle is resting for a long time (long term), the fuel cock 58 needs to be opened and closed, and the frequency of the opening and closing operation is high.
The fuel cock 58 (daily maintenance component) can be easily opened and closed by simply removing the upper cover portion 21 without taking time and effort.
[0050]
The air filter 113 communicating with the carburetor 111 is also frequently maintained and managed.
Since the air filter 113 is also arranged on the upper cover portion 21 side, the maintenance and management of the air filter 113 can be easily performed without taking time and effort by simply removing the upper cover portion 21.
[0051]
In the above-described embodiment, the example in which the upper cover portion 21 is attached to the lower cover portion 22 by engaging the left and right rubber bands 86 and 87 with the left and right engaging claws 75 and 76 has been described. It is also possible to use other locking means such as a hook.
Further, the shapes of the upper cover portion 21 and the lower cover portion 22 shown in the embodiment can be arbitrarily determined.
[0052]
【The invention's effect】
The present invention exhibits the following effects by the above configuration.
According to the first aspect of the present invention, a battery is mounted on the upper part of the blower housing, and the battery and the blower housing are covered with a cover extending forward from the airframe. By covering the battery with the cover, it is possible to protect the battery from being exposed to snow and water.
Further, by covering the upper part of the blower housing with the cover, it is possible to suppress wind noise generated by the rotation of the blower.
[0053]
Further, by covering the battery and the blower housing with a cover extending forward from the airframe, the cover attached to the airframe can also be used as a cover for covering the battery and the blower housing.
Therefore, it is not necessary to prepare a cover dedicated to the battery or a cover dedicated to the blower housing, and the number of parts can be reduced.
[0054]
According to the second aspect of the present invention, a driving source for driving the auger and the blower is mounted on the airframe, and this driving source is also covered with a cover. Accordingly, the cover that covers the battery and the blower housing can also cover the drive source that drives the auger and the blower.
By covering the drive source with the cover, it is possible to protect the drive source and its electrical components from being exposed to snow and water.
Further, by covering the drive source with this cover, it is possible to suppress operating noise generated from the drive source.
[0055]
In addition, a single cover attached to the fuselage can be used as a battery cover, a blower housing cover, and a drive source cover.
As a result, it is not necessary to separately prepare a cover dedicated to the battery, a cover dedicated to the blower housing, and a cover dedicated to the drive source, so that the number of parts can be reduced.
[Brief description of the drawings]
FIG. 1 is a perspective view showing a snowplow according to the present invention. FIG. 2 is a side view showing a snowplow according to the present invention. FIG. 3 is a side view showing a cover of the snowplow according to the present invention. The perspective view which shows the principal part of the snow remover which concerns on FIG. 5: The 1st effect | action explanatory drawing which shows the effect | action of the snow remover which concerns on this invention FIG. 6 The 2nd effect explanatory drawing which shows the effect | action of the snow remover which concerns on this invention FIG. 7 is a third action explanatory view showing the action of the snowplow according to the present invention. FIG. 8 is a perspective view showing the main part of a conventional snow remover.
DESCRIPTION OF SYMBOLS 10 ... Snow remover, 11 ... Airframe, 11a ... Front part of airframe, 13 ... Traveling part, 14 ... Engine (drive source), 15 ... Auger device (snow removal working part), 20 ... Cover, 21 ... Upper cover part, 22 ... lower cover part, 35 ... blower housing, 35b ... upper part of blower housing, 40 ... blower, 48 ... left auger, 49 ... right auger, 53 ... shooter, 61 ... battery, 85 ... top Cover front, 90.

Claims (2)

In a snow remover that places an auger, blower and shooter at the front of the aircraft, jumps up the snow collected by the auger with a blower, and throws snow through the shooter.
The blower is enclosed by a blower housing, and a mounting base for mounting a battery is provided on the upper part of the blower housing, and a cover provided on the airframe is covered forward so that the battery mounted on the mounting base is covered together with the upper part of the blower housing. In the extended snowplow,
The shooter is provided on the upper part of the blower housing,
Forming a through-hole through the shooter in the cover;
A snow remover characterized in that a portion of the upper portion of the blower housing excluding the shooter is covered with the cover by passing the shooter through the through hole .   The snow remover according to claim 1, wherein a drive source for driving the auger and blower is mounted on the machine body, and the drive source is also covered with the cover.

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