EP1172486A2 - Dispositif chasse-neige avec une lame - Google Patents

Dispositif chasse-neige avec une lame Download PDF

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Publication number
EP1172486A2
EP1172486A2 EP01116844A EP01116844A EP1172486A2 EP 1172486 A2 EP1172486 A2 EP 1172486A2 EP 01116844 A EP01116844 A EP 01116844A EP 01116844 A EP01116844 A EP 01116844A EP 1172486 A2 EP1172486 A2 EP 1172486A2
Authority
EP
European Patent Office
Prior art keywords
snow removing
electric motor
removing plate
power transmission
snow
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP01116844A
Other languages
German (de)
English (en)
Other versions
EP1172486B1 (fr
EP1172486A3 (fr
Inventor
Isao c/o Honda R&D Co. Ltd. Yoshida
Masakatsu c/o Honda R&D Co. Ltd. Kono
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Honda Motor Co Ltd
Original Assignee
Honda Motor Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2000210828A external-priority patent/JP2002021034A/ja
Priority claimed from JP2000216331A external-priority patent/JP4516189B2/ja
Application filed by Honda Motor Co Ltd filed Critical Honda Motor Co Ltd
Publication of EP1172486A2 publication Critical patent/EP1172486A2/fr
Publication of EP1172486A3 publication Critical patent/EP1172486A3/fr
Application granted granted Critical
Publication of EP1172486B1 publication Critical patent/EP1172486B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
    • E01H5/00—Removing snow or ice from roads or like surfaces; Grading or roughening snow or ice
    • E01H5/04—Apparatus propelled by animal or engine power; Apparatus propelled by hand with driven dislodging or conveying levelling elements, conveying pneumatically for the dislodged material

Definitions

  • the present invention relates generally to a snow removing machine with a snow removing plate and, more particularly, to a snow removing machine which enables height adjustment of a snow removing plate with a grip portion of its operating handle gripped by an operator.
  • a self-propelled snow removing machine has been used to alleviate snow removing labor.
  • the snow removing machine of this type is propelled by means of crawler belts and operated through an operational handle to cause a rotary snow removing unit and a snow removing plate to remove snow from a road surface.
  • Such a snow removing machine is disclosed, for example, in Japanese Utility Model Laid-Open Publication No. SHO-53-43724. This prior art snow removing machine is shown in FIG. 6 hereof.
  • the snow removing machine 100 has an engine 101 for driving a drive pulley 102 whose drive torque is delivered through a belt 103 to a pulley 104 whose rotation is then transferred through a chain 106 to left and right drive wheels 107,107 (only one shown) by which left and right crawler belts 108,108 (only one shown) are driven.
  • Driving the left and right crawler belts 108,108 allows the snow removing machine 100 to move forward to cause the snow removing plate 110, mounted to the front portion of the snow removing machine 100, to remove snow 112.
  • the snow removing plate 110 As the engine 101 is located in the vicinity of the snow removing plate 110, the snow removing plate 110 is exerted with a downward force due to the weight of the engine 101. As a result, the snow removing plate 110 is caused to bite into the snow 112 to allow the snow removing plate 110 to efficiently remove the snow 112.
  • the engine 101 having a large weight is mounted to the front portion of the snow removing machine 100 as shown in FIG. 6 in order to provide improved biting capability of the snow removing plate 110
  • the engine 101 and an upper end 100a of the vehicle body 100 partially protrude beyond a linear line 115 intersecting between the upper end 100a of the vehicle body 100 and the grip of the operating handle 113.
  • parts of the engine 101 and the upper end 100a of the vehicle body 100 disturb a view line 116 of the operator 114, making it necessary for the operator 114 to tilt his head 114a to look at the upper end 101a of the snow removing plate 101. Consequently, it is difficult for the operator to concentrate on the operation of the snow removing machine 100, with a resultant deteriorated workability and increased operator's work load.
  • a snow removing machine which comprises a vehicle body, a snow removing plate mounted to a front portion of the vehicle body for removing snow and adjustably moveable upward and downward in height, an operating handle mounted to a rear portion of the body frame and having at rear portions thereof respective grips, a pair of crawler belts each driven by an electric motor mounted to the front portion of the vehicle body via a power transmission mechanism, and a battery mounted on the body frame at a position rearward of the electric motor and the power transmission mechanism to supply electric power to the electric motor, the battery, the electric motor and the power transmission being located below a linear line intersecting between an upper end of the snow removing plate and the grip of the operating handle.
  • the battery, the electric motor and the power transmission are located below the linear line intersecting between the upper end of the snow removing plate and the grip portion of the operating handle.
  • the battery, the electric motor and the power transmission mechanism it is possible for the battery, the electric motor and the power transmission mechanism to be located below the view line of the operator during operator's looking at the snow removing plate to avoid the obstacle for the operator's view line while his looking at the upper end of the snow removing plate, allowing the operator to look at the upper end of the snow removing plate while keeping his working posture.
  • the snow removing machine further includes a cover for concealing the electricmotor, the power transmission mechanism and the battery.
  • the cover also conceals the battery charger and the control unit, which are located rearwardly of the battery.
  • the cover may be located below the aforementioned linear line or above the same. The key point resides in that when the operator looks at the upper end of the snow removing plate, there exists no obstacle to disturb the operator's view line.
  • the vehicle body includes a pair of left and right drive wheels which serves as the front wheels and a pair of left and right idle wheels which serves as the rear wheels, with respective crawler belts being trained around the respective drive wheels and the idle wheels to allow the aforementioned vehicle body to swing upward or downward about the center of the drive wheel shaft.
  • the center of the electric motor By locating the center of the electric motor at the position forwardly of the aforementioned drive wheel shaft, the weight of the electric motor is exerted onto the snow removing plate when the vehicle body is caused to swing to lower the snow removing plate, allowing the snow removing plate to readily bite into the snow.
  • a self-propelled snow removing machine equipped with a snow removing plate includes a vehicle body (a body frame) 11 having a substantially L-shaped configuration as viewed from the side.
  • a pair of left and right drive wheels 20,20 and a pair of left and right idle wheels 22,22 are mounted on the body frame 11, with only the left drive wheel 20 and the left idle wheel 22 in a running direction being shown.
  • a crawler belt 25 is stretched over between respective ones of the drive wheels 20,20 and the idle wheels 22,22, with the left- sided crawler belt 25 in the running direction being shown.
  • An electric motor 30 and a power transmission mechanism 32 are mounted on a front part of the body frame 11 to drive the drive wheels 20,20.
  • a battery 34 is mounted on the body frame 11 at a position rearward of the electric motor 30 and the power transmission mechanism 32.
  • a battery charger 40 and a control unit 41 are located on the body frame 11 at a position rearward of the battery 34.
  • a snow removing plate 42 which removes snow forward is mounted to a font distal end of the body frame 11.
  • a height adjustment mechanism 44 is located at a rear part of the body frame 11 to allow the height of the snow removing plate 42 to be adjusted.
  • An operating handle 45 is connected to a rear portion of the frame body 11 and obliquely extends upward and rearward.
  • An operation box 46 is mounted on an upper part of the operating handle 45.
  • a rear end of the operating handle 45 has left and right grip portions 47L, 47R.
  • a cover 49 is carried by the body frame 11 to conceal the electric motor 30, the power transmission mechanism 32, the battery 34, the battery charger 40 and the control unit 41.
  • the battery 34 serves as a power supply to supply electric power to the electric motor 30 and is mounted to the body frame 11 at an upper portion thereof by means of a battery receiver box 35.
  • the battery charger 40 has a plug (not shown) to be coupled to an electric outlet of an alternating power supply such as a domestic electric power supply to charge the battery 34.
  • the battery charger 40 is mounted on the body frame 11 at a rear area of the battery receiver box 35.
  • the control unit 41 functions to control the electric motor 30 responsive to output signals delivered from a forward-aft changeover switch and a potentiometer (not shown) located on an upper portion of the handle 45, and a main switch 48b and a maximum speed presetting switch 48c of the operation box 46.
  • the control unit 41 is located on the body frame 11 in an upper area of the battery charger 40.
  • the snow removing plate 42 is coupled to a front mounting bracket 14, which is mounted to the front portion of the body frame 11, by means of fixture pins 14a,14a.
  • the operating handle 45 has a speed control lever 48a in the vicinity of the left-sided grip portion 47L.
  • the operation of the speed control lever 48a allows the potentiometer to be actuated such that the potentiometer produces the output signal which is delivered to the control unit 41 to adjust the rotational speed of the electric motor 30.
  • the operating handle 45 has the forward-aft changeover switch, which changes over the direction of travel of the snow removing machine 10, and the height adjustment lever 48d which enables the height of the snow removing plate 42 to be adjusted, with both the changeover switch and the height adjustment lever 48d being supported in the vicinity of the right grip portion 47R.
  • the operation of the height adjustment lever 48d for the snow removing plate allows the height adjustment mechanism 44 to be brought into an unlocked (i.e., expandable or retractable) state from a locked state such that when the left and right grip portions 47L and 47R are lifted, the height adjustment mechanism 44 extends to cause the body frame 11 to swing upward about the center of a drive wheel shaft 54 for thereby moving the snow removing plate 42 downward.
  • the electric motor 30 By locating the electric motor 30 at a position forward of the drive wheel shaft 54, it is possible for the electric motor 30 to exert its weight to the snow removing plate 42 when the body frame 11 is caused to swing to move the snow removing plate 54 downward. Accordingly, it is possible for the snow removing plate 42 to ensure an adequate biting into a road (or snow) surface 70.
  • the operation of the height adjustment lever 48d for the snow removing plate allows the height adjustment mechanism 44 to be brought into the unlocked state from the locked state such that when the left and right grip portions 47L, 47R are lowered, the height adjustment mechanism 44 is retracted to cause the body frame 11 to swing downward about the center of the drive wheel axis 54 for thereby lifting up the snow removing plate 42.
  • gripping of the grip portion of the height adjustment lever 48d allows the snow removing plate 42 to be adjusted in height upward or downward by means of the height adjustment mechanism 44 such that when the snow removing plate 42 is desired at a given height, the height adjustment lever 48d is released to cause the height adjustment mechanism 44 to be settled to the locked state to maintain at the given height.
  • An operator is allowed to steer the direction of the travel or to adjust the height of the snow removing plate 42 with the operating handle 45 while walking in dependence on the travel speed of the snow removing machine 10 equipped with the snow removing plate under a condition wherein the left and right grip portions 47L, 47R of the operating hand 45 are gripped by the operator.
  • FIG. 2 is a perspective view of the body frame 11 of the snow removing machine.
  • the body frame 11 includes a pair of horizontal frames 12,12 which are parallel to one another, and a slanted frame 13 which interconnects respective rear distal ends of the horizontal frames 12,12 to one another and which extends obliquely upward and rearward.
  • the mounting rackets 14,14 which serve to retain the snow removing plate 42 (see FIG. 1), are connected to front distal ends 12a, 12a of the horizontal frames 12,12, respectively.
  • the horizontal frames 12,12 have plural mounting members 15,15 at positions rearward of the mounting brackets 14,14, respectively, for mounting thereon the electric motor 30 and the power transmission mechanism 32 (see FIG. 1).
  • An uppermost center of the slanted frame 13 includes a bracket 16 for mounting thereon the height adjustment mechanism 44 (see FIG. 1).
  • the slanted frame 13 has plural mounting bore pairs 18 for mounting respective lower tubes 45a, 45a of the operating handle 45.
  • Reference numeral 45b designates a bolt insertion bore.
  • FIG. 3 shows a condition wherein the electric motor 30 is coupled to the power transmission mechanism 32 and the power transmission mechanism 32 is mounted on the body frame 11.
  • the electric motor 30 is fixedly mounted to a case body 50 of the power transmission mechanism 32 with fixing bolts.
  • a first small gear 31a of an electric motor shaft 31 meshes with a first large gear 57 of the power transmission mechanism 32.
  • the power transmission mechanism 32 includes in addition to the case body 50, a group of gears 56 received in the case body 50, vehicle shaft cases 52, 52 mounted to left and right distal ends of a lower portion of the case body 50 for receiving left and right vehicular shafts, and left and right drive wheel shafts 54, 54 received in the respective left and right vehicle shaft cases 52, 52 to allow drive torque of the gears 56 to be transmitted to the drive wheels 20, 20.
  • the group of gears 56 are constructed of the first large gear 57 meshing with the first small gear 31a of the motor shaft 31, an intermediate shaft 59 carrying thereon the first large gear 57 and a second small gear 58, a second large gear 60 meshing with the second small gear 58, and a differential unit 61 coupled to the second large gear 60.
  • the second large gear 60 has a larger radius than the first large gear 57.
  • the differential unit 61 includes a differential case 62 mounted to one side of the second large gear 60 in a concentric relationship, a pivot shaft 63 which extends through the differential case 62 and which is mounted thereto, a pair of upper and lower drive bevel gears 64,64 rotatably mounted on the pivot shaft 63, and a pair of left and right driven bevel gears 65,65 meshing with the drive bevel gears 64,64, with the left and right driven bevel gears 65,65 delivering the drive torque to the drive wheel shafts 54,54.
  • the left and right vehicular shaft cases 52,52 have respective hungers 66,66.
  • the electric motor 30 and the power transmission mechanism 32 are mounted on the body frame 11 by mounting the left and right hungers 66,66 to the left and right horizontal frames 12,12 via the left and right mounting members 15,15, respectively, by means of bolts 67, 67 and nuts 68, 68.
  • the case body 50 of the power transmission mechanism 32 is mounted to the body frame 11 and has the upper portion on which the electric motor 30 is mounted such that the electric motor 30 is located between the left and right crawler belts 25,25 and a lower portion 30b of the electric motor 30 is located below upper ends 25a, 25a of the respective crawler belts 25,25. Accordingly, it is possible to lower the height H1 of an upper end 30a of the electric motor 30 to locate the electric motor 30 in a position lower than a linear line 72 which will be described later.
  • the battery receiver box 35 which receives respective major body portions of the batteries 34,34, is mounted to the body frame 11 (i.e., on the left and right horizontal frames 12,12).
  • the receiver box 35 has left and right brackets 36,36 at left and right sides .
  • a battery retainer member 37 is located on respective upper surfaces of the batteries 34,34 and has left and right distal ends through which left and right rods 38,38 extend, with lower distal ends of the left and right rods 38,38 being hooked to the aforementioned left and right brackets 36,36 while screwing left and right nuts 39,39 to end portions of the respective left and right rods 38,38, which projects upward from the battery retainer member 37, to allow the batteries 34,34 to be fixed in the receiver box 35.
  • the batteries 34,34 In such a manner, mounting of the batteries 34,34 on the body frame 11 allows the batteries 34,34 to be located between the left and right crawler belts 25,25 such that the lower end 34b of the batteries 34,34 is lowered downward from the upper end 25a of the left and right crawler belts 25,25. Consequently, it is possible for the height H2 of the upper end 34a of the batteries 34,34 to be lowered.
  • the left and right idle wheels 22,22 are rotatably mounted at left and right distal ends of an idle wheel shaft 23.
  • Reference numeral 34a designates terminals of the battery 34.
  • the snow removing machine 10 embodying the present invention allows the height H1 of the upper end 30a of the electric motor 30 and the height H2 of the upper end 34a of the battery 34 to be lowered to enable the battery 34, the electric motor 30 and the power transmission mechanism 32 to be located at a position lower than the linear line 72 intersecting between an upper end 43 of the snow removing plate 42 and the left and right grip portions 47L,47R of the operating hand 45. Accordingly, it is possible for the height of the cover 49, which conceals the electric motor 30, the power transmission mechanism 32, the battery 34, the battery charger 40 and the control unit 41, to be located below the linear line 72.
  • Locating the batteries 34,34, the electric motor 30, the power transmission mechanism 32 and the cover 49 at the position below the linear line 72 intersecting between the upper end 43 of the snow removing plate 42 and the grip portion 47L of the operating handle 45 allows the batteries 34,34, the electric motor 30 and the power transmission mechanism 32 to be located beneath the view line 76 intersecting between the operator 74 and the upper end 43 of the snow removing plate 42 to enable the cover 49, which conceals the batteries 34,34, the electric motor 30 and the power transmission mechanism 32, to be located beneath the view line 76.
  • the operator 74 is able to shift the left and right grip portions 47L,47R upward or downward as shown by arrows 1 ⁇ , 2 ⁇ depending on concave or convex conditions of the snow surface 78 while operating the height adjustment lever, for the snow removing plate 42, of the right grip portion 47R, allowing the body frame 11 to swing upward or downward about the drive wheel shaft 54.
  • This enables the snow removing plate 42 to move upward or downward as shown by an arrow 3 ⁇ for simply adjusting the height of the snow removing plate 42 so as to meet the concave or convex conditions of the snow surface 78 to provide an improved snow removing performance while alleviating the operator's work load.
  • the cover 49 which conceals the electric motor 30, the power transmission mechanism 32 and the batteries 34,34, is located below the linear line 72 intersecting between the upper end 43 of the snow removing plate 42 and the grip portion 47L of the operating handle 45, the cover 49 may be located above the linear line 72.
  • a key point resides in that the cover 49 is located in a position not to disturb the view line 76.
  • the linear line 72 may includes a line intersecting between the upper end 43 of the snow removing plate 42 and the right grip portion 47R, with resultant same advantages as obtained in the aforementioned illustrated embodiment.
  • a snow removing machine equipped with a snow removing plate is disclosed.
  • the snow removing plate (42) is mounted to a front portion of a vehicle body (11) which forms part of the snow removing machine.
  • An operating handle (45) having grip portions (47L, 47R) is mounted to a rear portion of the vehicle body and obliquely extends upward.
  • a battery (34), an electric motor (30) and a power transmission mechanism (32) are located below a linear line (72) intersecting between an upper end (43) of the snow removing plate and the grip portion.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Cleaning Of Streets, Tracks, Or Beaches (AREA)
EP20010116844 2000-07-12 2001-07-10 Dispositif chasse-neige avec une lame Expired - Lifetime EP1172486B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2000210828 2000-07-12
JP2000210828A JP2002021034A (ja) 2000-07-12 2000-07-12 排雪板付き除雪機
JP2000216331 2000-07-17
JP2000216331A JP4516189B2 (ja) 2000-07-17 2000-07-17 排雪板付き除雪機

Publications (3)

Publication Number Publication Date
EP1172486A2 true EP1172486A2 (fr) 2002-01-16
EP1172486A3 EP1172486A3 (fr) 2003-10-01
EP1172486B1 EP1172486B1 (fr) 2004-09-08

Family

ID=26595854

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20010116844 Expired - Lifetime EP1172486B1 (fr) 2000-07-12 2001-07-10 Dispositif chasse-neige avec une lame

Country Status (2)

Country Link
EP (1) EP1172486B1 (fr)
DE (1) DE60105355T2 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5343724U (fr) * 1977-09-01 1978-04-14
DE3723989A1 (de) * 1986-07-23 1988-02-04 Honda Motor Co Ltd Schneeraeum-maschine mit eigenantrieb
JPH08302636A (ja) * 1995-05-10 1996-11-19 Honda Motor Co Ltd 歩行型除雪機

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5343724U (fr) * 1977-09-01 1978-04-14
DE3723989A1 (de) * 1986-07-23 1988-02-04 Honda Motor Co Ltd Schneeraeum-maschine mit eigenantrieb
JPH08302636A (ja) * 1995-05-10 1996-11-19 Honda Motor Co Ltd 歩行型除雪機

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 1997, no. 03, 31 March 1997 (1997-03-31) -& JP 08 302636 A (HONDA MOTOR CO LTD), 19 November 1996 (1996-11-19) *

Also Published As

Publication number Publication date
EP1172486B1 (fr) 2004-09-08
DE60105355D1 (de) 2004-10-14
DE60105355T2 (de) 2005-02-17
EP1172486A3 (fr) 2003-10-01

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