WO2017043300A1 - 作業車両 - Google Patents
作業車両 Download PDFInfo
- Publication number
- WO2017043300A1 WO2017043300A1 PCT/JP2016/074417 JP2016074417W WO2017043300A1 WO 2017043300 A1 WO2017043300 A1 WO 2017043300A1 JP 2016074417 W JP2016074417 W JP 2016074417W WO 2017043300 A1 WO2017043300 A1 WO 2017043300A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- level gauge
- radiator
- gauge
- work vehicle
- disposed
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/16—Understructures, i.e. chassis frame on which a vehicle body may be mounted having fluid storage compartment
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/04—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by dip members, e.g. dip-sticks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
- B60K15/073—Tank construction specially adapted to the vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
- B60K15/077—Fuel tanks with means modifying or controlling distribution or motion of fuel, e.g. to prevent noise, surge, splash or fuel starvation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P1/00—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading
- B60P1/04—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading with a tipping movement of load-transporting element
- B60P1/28—Tipping body constructions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R3/00—Arrangements of steps or ladders facilitating access to or on the vehicle, e.g. running-boards
- B60R3/005—Catwalks, running boards for vehicle tops, access means for vehicle tops; Handrails therefor
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/08—Superstructures; Supports for superstructures
- E02F9/0833—Improving access, e.g. for maintenance, steps for improving driver's access, handrails
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/08—Superstructures; Supports for superstructures
- E02F9/0858—Arrangement of component parts installed on superstructures not otherwise provided for, e.g. electric components, fenders, air-conditioning units
- E02F9/0883—Tanks, e.g. oil tank, urea tank, fuel tank
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
- F01P11/14—Indicating devices; Other safety devices
- F01P11/18—Indicating devices; Other safety devices concerning coolant pressure, coolant flow, or liquid-coolant level
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/02—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by gauge glasses or other apparatus involving a window or transparent tube for directly observing the level to be measured or the level of a liquid column in free communication with the main body of the liquid
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
- B60K2015/0321—Fuel tanks characterised by special sensors, the mounting thereof
- B60K2015/03217—Fuel level sensors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
- B60K15/063—Arrangement of tanks
- B60K2015/0637—Arrangement of tanks the fuel tank is arranged in the front of the vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/08—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for fluid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R17/00—Arrangements or adaptations of lubricating systems or devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/10—Road Vehicles
- B60Y2200/14—Trucks; Load vehicles, Busses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/10—Road Vehicles
- B60Y2200/14—Trucks; Load vehicles, Busses
- B60Y2200/142—Heavy duty trucks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/20—Off-Road Vehicles
Definitions
- the present invention relates to a work vehicle.
- various fluids such as fuel, oil, and cooling water are used.
- confirmation of the remaining amount of fluid is performed.
- a gauge is provided in the housing member that houses the fluid. The inspector checks the remaining amount of fluid by visually observing the gauge. For example, in the pre-start inspection of the work vehicle, the inspector visually checks the gauge provided on the radiator and confirms the remaining amount of cooling water in the radiator.
- the gauge provided in the housing member may not be able to correctly indicate the remaining amount of fluid.
- the work vehicle is a large dump truck operating at a mining site in a mine
- the fluid containing member provided in the dump truck is also large.
- the housing member is large, the position of the end of the housing member varies greatly even if the ground is slightly inclined. For this reason, when the gauge is provided at the end of the housing member, the gauge is likely to be unable to correctly indicate the remaining amount of fluid.
- An object of an aspect of the present invention is to provide a work vehicle that can correctly indicate the remaining amount of fluid.
- a storage member that stores fluid and a gauge that indicates the remaining amount of the fluid in the storage member are provided, and the gauge is disposed at a central portion in the longitudinal direction of the storage member.
- a working vehicle is provided.
- a work vehicle that can correctly indicate the remaining amount of fluid is provided.
- FIG. 1 is a perspective view illustrating an example of a work vehicle according to the present embodiment.
- FIG. 2 is a schematic view of the work vehicle according to the present embodiment as viewed from the front.
- FIG. 3 is a schematic view of a part of the work vehicle according to the present embodiment as viewed from the left.
- FIG. 4 is a schematic view of a part of the upper tank according to the present embodiment as viewed from the rear.
- FIG. 5 is a schematic view of a part of the upper tank according to the present embodiment as viewed from above.
- FIG. 6 is a view of the floor deck, the cover member, and a part of the handrail according to the present embodiment as viewed from above.
- FIG. 1 is a perspective view illustrating an example of a work vehicle according to the present embodiment.
- FIG. 2 is a schematic view of the work vehicle according to the present embodiment as viewed from the front.
- FIG. 3 is a schematic view of a part of the work vehicle according to the present embodiment as viewed from the
- FIG. 7 is a diagram illustrating a state in which the first lid is removed from the base member of the cover member according to the present embodiment.
- FIG. 8 is a diagram illustrating a state where the first lid, the second lid, and the anti-slip plate are removed from the base member of the cover member according to the present embodiment.
- FIG. 9 is a schematic diagram illustrating a state in which the driver is viewing the level gauge through the opening in the pre-work inspection according to the present embodiment.
- FIG. 10 is a diagram illustrating an operation of the radiator according to the comparative example.
- FIG. 11 is a diagram illustrating the operation of the radiator according to the present embodiment.
- the vertical direction means a direction orthogonal to the ground contact surface of the wheel of the work vehicle that is in contact with the ground.
- the left-right direction refers to a direction parallel to the rotation axis of the unsteered wheel among the plurality of wheels of the work vehicle.
- the left-right direction is synonymous with the vehicle width direction of the work vehicle.
- the front-rear direction refers to a direction orthogonal to the left-right direction and the up-down direction.
- “Upper” means one direction in the vertical direction, and the direction away from the ground contact surface of the wheel.
- the downward direction refers to the direction opposite to the upper side in the vertical direction, and refers to the direction approaching the ground contact surface of the wheel.
- Left means one direction in the left-right direction.
- the left direction is used as a reference.
- the right direction refers to the opposite direction to the left in the left-right direction, and refers to the right direction with respect to the driver of the work vehicle seated on the seat.
- the front refers to one direction in the front-rear direction, and refers to the direction from the seat toward the steering wheel.
- the rear means a direction opposite to the front in the front-rear direction, and refers to a direction from the steering wheel toward the seat.
- the upper part refers to the upper part of the member or space in the vertical direction, and refers to the part away from the ground contact surface of the wheel.
- the lower part refers to the lower part of the member or space in the vertical direction, and refers to the part close to the ground contact surface of the wheel.
- the left part refers to a member or the left part of the space when the driver of the work vehicle seated on the seat is used as a reference.
- the right part refers to the right part of the member or space when the driver of the work vehicle seated on the seat is used as a reference.
- a front part means the part of the front side of a member or space in the front-back direction.
- the rear portion refers to a rear portion of the member or space in the front-rear direction.
- FIG. 1 is a perspective view showing an example of a work vehicle 1 according to the present embodiment.
- the dump truck 1 is a self-propelled off-road dump truck operating at a mining site.
- the dump truck 1 is a rigid frame type.
- the dump truck 1 may be an articulate type.
- the dump truck 1 includes a vehicle main body 2, a dump body 3 supported by the vehicle main body 2 and loaded with a load, and a traveling device 4 that can move while supporting the vehicle main body 2.
- the vehicle body 2 includes a frame 21, a floor deck 22 provided on the upper part of the frame 21, and a lower deck 23 provided on the lower part of the frame 21.
- the frame 21 supports the traveling device 4.
- the movable ladder 5 is provided on the lower deck 23.
- An oblique ladder 6 is provided between the lower deck 23 and the floor deck 22.
- the lower end portion of the oblique ladder 6 is connected to the left portion of the lower deck 23, and the upper end portion of the oblique ladder 6 is connected to the right portion of the floor deck 22.
- a handrail 7 is provided in front of the floor deck 22.
- the vehicle body 2 has a cab 8.
- the cab 8 is disposed on at least a part of the floor deck 22.
- the cab 8 is provided on the left side of the floor deck 22.
- At least a part of the floor deck 22 is disposed in front of the cab 8. Further, at least a part of the floor deck 22 is arranged on the right side of the cab 8.
- the driver gets into the cab 8.
- the cab 8 is provided with a seat on which the driver is seated. Further, a plurality of operation devices arranged in the cab 8 are operated by the driver.
- the operating device arranged in the cab 8 includes at least a steering wheel. As described above, the front means a direction from the seat toward the steering wheel. The driver adjusts the traveling direction of the dump truck 1 by operating the steering wheel.
- the driver When the driver gets into the driver's cab 8, the driver climbs the movable ladder 5 on the left side of the vehicle body 2 and moves to the lower deck 23, and then climbs the diagonal ladder 6 and moves to the right side of the floor deck 22. To do.
- the driver who has reached the right part of the floor deck 22 walks toward the left part of the floor deck 22.
- the driver who has reached the left part of the floor deck 22 moves to the left part of the cab 8, opens the door provided at the left part of the cab 8, and gets into the cab 8.
- the floor deck 22 is a part of an access route from the driver or the inspector to the cab 8.
- the dump body 3 carries a load.
- the dump body 3 can be erected or seated by an actuator such as a hydraulic cylinder.
- the actuator is disposed between the vehicle body 2 and the dump body 3 and can stand or sit the dump body 3.
- the dump body 3 is adjusted to at least one of the loading posture and the standing posture by the operation of the actuator.
- the loading posture refers to a posture in which the dump body 3 descends the lowest in the movable range of the dump body 3 and sits closest to the vehicle body 2.
- the standing posture refers to a posture in which the dump body 3 stands most up and is farthest from the vehicle body 2 in the movable range of the dump body 3.
- the dump truck 1 is a rear dump system, and discharges the load from the dump body 3 by tilting the dump body 3 backward.
- the dump truck 1 may be a side dump system in which the dump body 3 is tilted leftward or rightward to discharge the load from the dump body 3.
- the dump body 3 has a protector 31.
- the protector 31 is a collar portion disposed at the front portion of the dump body 3. In the loading posture, the protector 31 of the dump body 3 is disposed above the cab 8. Further, in the loading posture, the protector 31 of the dump body 3 is disposed above a part of the floor deck 22.
- the traveling device 4 has a front wheel 41 and a rear wheel 42.
- the rear wheel 42 is disposed behind the front wheel 41.
- the front wheels 41 are arranged on the left side and the right side of the vehicle body 2.
- the rear wheels 42 are disposed on the left side and the right side of the vehicle body 2.
- the rear wheel 42 includes two tires on each of the left and right sides. That is, the dump truck 1 according to this embodiment is a four-wheel vehicle, and the number of tires used is two for the front wheels 41 and four for the rear wheels 42.
- the traveling device 4 is operated by power generated by a power generation device provided in the vehicle body 2.
- the power generation device includes at least one of an internal combustion engine such as a diesel engine and an electric motor.
- the front wheel 41 rotates around the rotation axis.
- the rear wheel 42 rotates around the rotation axis.
- the rear wheel 42 is rotated by the power generated by the power generation device, and the traveling device 4 travels.
- the front wheel 41 is steered by the operation of the steering wheel by the driver.
- the rear wheel 42 is not steered by the operation of the steering wheel.
- the left-right direction refers to a direction parallel to the rotation axis of the unsteered wheel among the plurality of wheels of the work vehicle 1.
- the left-right direction refers to a direction parallel to the rotation axis of the rear wheel 42.
- FIG. 2 is a schematic view of the dump truck 1 according to the present embodiment as viewed from the front.
- FIG. 2 shows a part of the structure of the dump truck 1 shown in FIG.
- FIG. 3 is a schematic view of a part of the dump truck 1 according to this embodiment as viewed from the left.
- the dump truck 1 has a radiator 10.
- the radiator 10 is a housing member that houses cooling water (coolant) that is a fluid.
- the cooling water is a liquid.
- the radiator 10 is disposed at the front portion of the vehicle main body 2.
- the radiator 10 In the vertical direction, the radiator 10 is disposed between the lower deck 23 and the upper deck 22. In the left-right direction, the radiator 10 is disposed at the center of the vehicle body 2.
- the size of the radiator 10 in the left-right direction is larger than the size of the radiator 10 in the front-rear direction.
- the left-right direction of the radiator 10 is appropriately referred to as the longitudinal direction of the radiator 10.
- the outer shape of the radiator 10 and the shape of the storage space of the radiator 10 in which the cooling water is stored are substantially similar.
- the accommodation space of the radiator 10 is an internal space of the radiator 10 in which cooling water is accommodated.
- the radiator 10 includes an upper tank 11, a core tank 12, and a lower tank 13.
- the storage space of the radiator 10 includes an internal space of the upper tank 11 in which cooling water is stored, an internal space of the core tank 12, and an internal space of the lower tank 13.
- the accommodation space of the radiator 10 is also a rectangular parallelepiped.
- the dimension of the radiator 10 includes the dimension of the accommodation space of the radiator 10 in which the cooling water is accommodated.
- the longitudinal direction of the radiator 10 coincides with the longitudinal direction of the housing space of the radiator 10.
- the central portion in the longitudinal direction of the radiator 10 refers to a portion of the central portion of the accommodation space that is divided into D equal parts when the accommodation space of the radiator 10 in which the cooling water is accommodated is equally divided in the longitudinal direction.
- the radiator 10 includes an upper tank 11, a core tank 12, and a lower tank 13.
- a radiator core is disposed in the core tank 12.
- the upper tank 11 has a supply port 14 for supplying cooling water to the radiator 10.
- a predetermined amount of cooling water is stored in the internal space of the upper tank 11. Cooling water is supplied to the radiator 10 through the supply port 14.
- the supply port 14 is blocked by the cap 15.
- the replenishing port 14 is provided at the center of the upper tank 11 in the longitudinal direction.
- FIG. 4 is a schematic view of a part of the upper tank 11 according to this embodiment as viewed from the rear.
- FIG. 5 is a schematic view of a part of the upper tank 11 according to this embodiment as viewed from above.
- the dump truck 1 includes a gauge 50 that indicates the remaining amount of cooling water of the radiator 10.
- the gauge 50 is a so-called level gauge. In the following description, the gauge 50 is appropriately referred to as a level gauge 50.
- the level gauge 50 is connected to the upper part of the radiator 10. As shown in FIG. 2, in the present embodiment, the level gauge 50 is disposed at the center portion in the longitudinal direction of the radiator 10. As described above, in the present embodiment, the housing space of the radiator 10 is substantially a rectangular parallelepiped. The central portion in the longitudinal direction of the radiator 10 refers to the central portion in the longitudinal direction in the upper part of the accommodation space of the radiator 10.
- the upper tank 11 has an upper surface 11A facing upward and a rear surface 11B facing backward.
- the level gauge 50 is connected to the rear surface 11B of the upper tank 11.
- the level gauge 50 is a long rod-shaped member and has a central axis AX. As shown in FIG. 5, the level gauge 50 is connected to the rear surface 11 ⁇ / b> B of the upper tank 11 through a connecting member 60.
- the connecting member 60 is connected to the base portion 63 connected to the rear surface 11 ⁇ / b> B of the upper tank 11, the first holding portion 61 connected to the base portion 63 and holding one end of the level gauge 50, and the base portion 63.
- a second holding portion 62 that holds the other end of the level gauge 50.
- a gap is formed between the base portion 63 and the level gauge 50.
- the level gauge 50 is inclined with respect to the upper surface 11 ⁇ / b> A of the upper tank 11 in the upper tank 11 provided in the upper part of the radiator 10. That is, the level gauge 50 is configured so that the center axis AX of the level gauge 50 is inclined with respect to each of the virtual vertical axis extending in the vertical direction and the virtual left and right axis extending in the horizontal direction. 11 is provided.
- the level gauge 50 is provided in the upper tank 11 so that the central axis AX of the level gauge 50 is orthogonal to a virtual front and rear axis extending in the front and rear direction.
- the center axis AX of the level gauge 50 is arranged in parallel with a predetermined plane including the vertical axis and the horizontal axis.
- the level gauge 50 is provided in the upper tank 11 so that the central axis AX is inclined with respect to the horizontal plane on a predetermined plane.
- the angle ⁇ formed by the horizontal plane and the central axis AX is 30 [°] or more and 45 [°] or less.
- the radiator 10 is disposed in front of the floor deck 22.
- the level gauge 50 is disposed adjacent to the floor deck 20.
- the level gauge 50 is disposed between the handrail 7 and the floor deck 22 in the front-rear direction.
- the replenishing port 14 is provided at the center in the longitudinal direction of the radiator 10 on the upper surface 11 ⁇ / b> A of the upper tank 11.
- the level gauge 50 is provided at the center in the longitudinal direction of the radiator 10 on the rear surface 11B of the upper tank 11. The level gauge 50 is disposed adjacent to the supply port 14.
- the level gauge 50 is disposed in front of the protector 31 of the dump body 3.
- the level gauge 50 is disposed at least in front of the front end portion 31E of the protector 31.
- the dump truck 1 includes a cover member 70 disposed on at least a part of the periphery of the radiator 10.
- the cover member 70 protects the radiator 10. Further, the cover member 70 protects the level gauge 50.
- at least a part of the cover member 70 faces the upper surface 11 ⁇ / b> A of the upper tank 11. Further, at least a part of the cover member 70 faces the rear surface 11B of the upper tank 11.
- An opening 71 is provided in a part of the cover member 70. At least a part of the level gauge 50 is disposed inside the opening 71.
- the internal space of the upper tank 11 and the internal space of the level gauge 50 are connected via a flow path (not shown) provided inside the connecting member 60.
- the level of the cooling water stored in the internal space of the upper tank 11 and the level of the cooling water in the internal space of the level gauge 50 have the same height in the vertical direction. Kept in. That is, the coolant level stored in the internal space of the upper tank 11 and the coolant level in the internal space of the level gauge 50 are arranged in the same plane.
- the inspector can visually observe the level gauge 50 through the opening 71.
- the inspector can visually check the remaining amount of the cooling water of the radiator 10 by viewing the level gauge 50.
- the inspector and the driver may be the same person, or the inspector and the driver may be different persons.
- FIG. 6, FIG. 7, and FIG. 8 are specific examples showing a part of the dump truck 1 according to the present embodiment.
- FIG. 6 is a view of the floor deck 22, the cover member 70, and a part of the handrail 7 according to the present embodiment as viewed from above.
- a cover member 70 is disposed in front of the floor deck 22.
- An opening 71 is provided in a part of the cover member 70.
- At least a part of the level gauge 50 is disposed inside the opening 71. Therefore, the inspector of the floor deck 22 can visually recognize the level gauge 50 through the opening 71.
- a handrail 7 is provided in front of the floor deck 22.
- the handrail 7 is supported by the cover member 70, for example.
- the level gauge 50 is disposed in front of the floor deck 22 and is adjacent to the front end portion of the floor deck 22.
- the level gauge 50 is disposed between the handrail 7 and the floor deck 22 in the front-rear direction.
- the floor deck 22 includes a non-slip plate 24.
- the anti-slip plate 24 has an upper surface and a plurality of recesses or openings provided on the upper surface. Since the anti-slip plate 24 has a plurality of recesses or openings on the upper surface, the inspector walking on the upper surface of the anti-slip plate 24 is prevented from sliding the foot.
- the level gauge 50 is adjacent to the front end of the anti-slip plate 24. Therefore, when the inspector visually observes the level gauge 50 through the opening 71 or when the cooling water is replenished to the radiator 10 from the replenishing port 14 as will be described later, the inspector does not slide his / her foot. The remaining amount can be checked and replenished.
- a handrail 7 is provided in front of the anti-slip plate 24 and the level gauge 50. Therefore, the inspector who visually recognizes the level gauge 50 or tries to replenish the cooling water is prevented from accidentally falling.
- the cover member 70 closes the base member 70B, the first lid 72 that closes the first opening 72K provided in a part of the base member 70B, and the second opening 73K provided in a part of the base member 70B.
- the opening 71 is provided in the first lid 72.
- FIG. 7 is a view showing a state in which the first lid 72 is removed from the base member 70B of the cover member 70 according to the present embodiment.
- the first opening 72K is long in the left-right direction.
- FIG. 8 is a view showing a state in which the first lid 72, the second lid 73, and the anti-slip plate 24 are removed from the base member 70B of the cover member 70 according to the present embodiment.
- the cap 15 is disposed in the second opening 73K.
- the cap 15 appears when the second lid 73 is removed from the second opening 73K.
- the inspector can replenish the radiator 10 with cooling water from the replenishing port 14 by removing the second lid 72 and the cap 15.
- the inspector when only supplying cooling water, the inspector does not need to remove the second lid 73 and remove the first lid 72 and the anti-slip plate 24. That is, the cooling water can be replenished only by removing the minimum member (lid), and a load that removes a large and heavy member is not given to the inspector.
- the inspector visually observes the level gauge 50 through the opening 71 and determines that the remaining amount of the cooling water is small, the inspector removes the second lid 73 and removes the cap 15 to remove the cooling water from the supply port 14. Can be supplied to the radiator 10. After the cooling water supply is completed, the inspector attaches the cap 15 and attaches the second lid 73.
- the driver climbs the diagonal ladder 6 after climbing the movable ladder 5 on the left side of the vehicle body 2 and moving to the lower deck 23 in order to board the cab 8. As a result, the driver reaches the right part of the floor deck 22.
- the driver who has reached the right part of the floor deck 22 walks toward the left part of the floor deck 22.
- An opening 71 is provided in the route of the driver's walk. Accordingly, the driver of the floor deck 22 can easily and reliably visually check the level gauge 50 through the opening 71 before moving to the cab 8.
- FIG. 9 is a schematic diagram showing a state in which the driver is viewing the level gauge 50 through the opening 71 in the pre-work inspection according to the present embodiment.
- the driver can visually observe the level gauge 50 through the opening 71.
- the driver looks at the level gauge 50 from above through the opening 71.
- the level gauge 50 includes a direct-viewing level gauge, and is inclined at the upper part of the radiator 10 with respect to the upper surface 11A of the radiator 10. Therefore, even when the driver views the level gauge 50 from above through the small opening 71, the driver can easily and reliably visually check the coolant level of the level gauge 50.
- the floor deck 22 is provided with a non-slip plate 24.
- a handrail 7 is provided in front of the anti-slip plate 24. Accordingly, the safety of the driver's feet and the front looking at the level gauge 50 is ensured.
- the level gauge 50 is arranged in front of the protector 31 of the dump body 3.
- the level gauge 50 is disposed at least in front of the front end portion 31E of the protector 31.
- the upper side of the level gauge 50 is opened, and the level gauge 50 is sufficiently illuminated with illumination light such as sunlight. Therefore, the driver can fully observe the level gauge 50.
- the inspector When the inspector visually observes the level gauge 50 through the opening 71 and determines that the remaining amount of the cooling water is small, the inspector removes the second lid 73 and removes the cap 15 to remove the cooling water from the supply port 14. Can be supplied to the radiator 10. After the cooling water supply is completed, the inspector attaches the cap 15 and attaches the second lid 73.
- the driver who has completed the pre-start inspection walks on the floor deck 22 and gets into the cab 8.
- the operation of the dump truck 1 is started.
- the level gauge 50 is disposed at the center in the longitudinal direction of the radiator 10. Therefore, in the pre-work inspection, the level gauge 50 can correctly indicate the remaining amount of cooling water even when the dump truck 1 stops on the inclined ground and the radiator 10 is inclined with respect to the horizontal plane.
- FIG. 10 is a diagram illustrating the operation of the radiator 10 according to the comparative example.
- FIG. 10 is a schematic diagram showing an example in which the level gauge 50 is provided at the end of the radiator 10 in the longitudinal direction.
- the radiator 10 When the dump truck 1 is stopped on the horizontal ground, the radiator 10 is also installed horizontally as shown by the dotted line in FIG. In that case, the level gauge 50 can correctly indicate the remaining amount of cooling water of the radiator 10.
- the dump truck 1 may stop on the inclined ground.
- the radiator 10 is also inclined as shown by the solid line in FIG.
- the liquid level of the cooling water is parallel to the horizontal plane.
- the radiator 10 is large and the longitudinal dimension of the radiator 10 is large, the position of the end of the radiator 10 in the longitudinal direction varies greatly in the vertical direction even if the inclination of the ground is slight.
- the level gauge 50 is provided at the end of the radiator 10 in the longitudinal direction, there is a high possibility that the level gauge 50 cannot correctly indicate the remaining amount of cooling water. In the example illustrated in FIG.
- the level gauge 50 is provided at the right end of the radiator 10 in the longitudinal direction, and the level gauge 50 indicates a remaining amount that is larger than the actual remaining amount of cooling water.
- the level gauge 50 when the level gauge 50 is provided at the left end portion of the radiator 10 in the longitudinal direction, the level gauge 50 shows a remaining amount less than the actual remaining amount of cooling water.
- the accuracy of the remaining cooling water display is affected by the inclination of the ground depending on the position of the level gauge 50 attached to the radiator 10.
- FIG. 11 is a diagram illustrating the operation of the radiator 10 according to the present embodiment.
- FIG. 11 is a schematic diagram illustrating an example in which the level gauge 50 is provided at the center of the radiator 10 in the longitudinal direction.
- the radiator 10 is also installed horizontally as shown by the dotted line in FIG. In that case, the level gauge 50 can correctly indicate the remaining amount of cooling water of the radiator 10.
- the radiator 10 When the dump truck 1 is stopped on the inclined ground, the radiator 10 is also inclined as shown by the solid line in FIG. On the other hand, even if the radiator 10 is inclined, the liquid level of the cooling water is parallel to the horizontal plane.
- the radiator 10 is inclined, the position of the end portion in the longitudinal direction of the radiator 10 varies greatly in the vertical direction, but the variation in the vertical direction of the position of the central portion in the longitudinal direction of the radiator 10 is suppressed. That is, when the level gauge 50 is provided in the center portion in the longitudinal direction of the radiator 10, the level gauge 50 can correctly indicate the remaining amount of cooling water.
- the level gauge 50 includes a direct-view type liquid level gauge, and is installed at an upper portion of the radiator 10 so as to be inclined with respect to the upper surface 11A of the radiator 10.
- the upper surface 11A of the radiator 10 is substantially parallel to the horizontal plane.
- the level gauge 50 is disposed adjacent to the floor deck 22. Thereby, the inspector can move to the floor deck 22 and easily visually check the level gauge 50.
- the driver moves on the movable ladder 5, the lower deck 23, the diagonal ladder 6, and the floor deck 22 and gets into the cab 8.
- the driver can incorporate a check of the remaining amount of cooling water in the operation process before starting work, that is, in the middle of the access route to the cab 8. The driver can easily and surely observe the level gauge 50 without forgetting it, and can check the remaining amount of the cooling water.
- the level gauge 50 is disposed between the handrail 7 and the floor deck 22 in the front-rear direction. Therefore, when the inspector of the floor deck 22 visually observes the level gauge 50 existing in front of the floor deck 22, the handrail 7 is provided in front of the level gauge 50. Falling down is suppressed.
- the supply port 14 and the cap 15 are arranged between the handrail 7 and the floor deck 22 in the front-rear direction. Since the handrail 7 is provided in front of the replenishing port 14 and the cap 15, even when cooling water is replenished, it is possible to prevent accidental falling.
- the level gauge 50 is adjacent to the front end portion of the anti-slip plate 24. Therefore, by visually checking the level gauge 50 while the inspector is on the anti-slip plate 24, the inspector is prevented from sliding his / her foot.
- the level gauge 50 is disposed in front of the protector 31 of the dump body 3. Thereby, illumination light such as sunlight is sufficiently irradiated to the level gauge 50 without being blocked by the protector 31. Therefore, the driver can view the level gauge 50 easily and reliably.
- the radiator 10 has a supply port 14 to which cooling water is supplied, and the level gauge 50 is disposed adjacent to the supply port 14.
- the level gauge 50, the supply port 14, and the cap 15 are arranged side by side in the front-rear direction. Accordingly, when the inspector who has visually observed the level gauge 50 determines that the remaining amount of the cooling water is small, the inspector can supply the cooling water to the radiator 10 through the supply port 14 while visually checking the level gauge 50. . Therefore, the inspector can replenish an appropriate amount of cooling water.
- the level gauge 50 is disposed inside the opening 71 provided in a part of the cover member 70.
- the cover member 70 By providing the cover member 70, the level gauge 50 is protected. Further, since at least a part of the level gauge 50 is disposed in the opening 71, the inspector can visually observe the level gauge 50 through the opening 71 without removing the large cover member 70.
- the housing member is the radiator 10, and the level gauge 50 indicates the remaining amount of cooling water in the radiator 10.
- the fluid stored in the storage member is cooling water.
- the storage member that stores the liquid may be an oil tank that stores oil (hydraulic oil) for operating the hydraulic device, and the level gauge 50 may indicate the remaining amount of oil as the fluid in the oil tank.
- the storage member that stores the liquid may be a fuel tank that stores the fuel of the internal combustion engine, and the level gauge 50 may indicate the remaining amount of fuel as the fluid of the fuel tank.
- the longitudinal direction of the radiator 10 (accommodating member) and the left-right direction of the dump truck 1 coincide.
- the longitudinal direction of the radiator 10 (accommodating member) and the front-rear direction of the dump truck 1 may coincide.
- the level gauge 50 may be provided on the housing member such that the longitudinal direction of the level gauge 50 is inclined in the left-right direction of the dump truck 1, and the longitudinal direction of the level gauge 50 is inclined in the longitudinal direction of the dump truck 1.
- the level gauge 50 may be provided on the housing member.
- the work vehicle 1 is a dump truck.
- the work vehicle 1 may be a hydraulic excavator having a lower traveling body, an upper turning body, and a work machine, or may be a wheel loader.
- 1 dump truck (work vehicle), 2 vehicle body, 3 dump body, 4 traveling device, 5 movable ladder, 6 slanted ladder, 7 handrail, 8 cab, 10 radiator, 11 upper tank, 11A upper surface, 11B rear surface, 12 Core tank, 13 Lower tank, 14 Supply port, 15 Cap, 21 Frame, 22 Floor deck, 23 Lower deck, 24 Non-slip plate, 31 Protector, 41 Front wheel, 42 Rear wheel, 50 Gauge, 60 Connecting member, 61 First holding part, 62 2nd holding part, 63 base part, 70 cover member, 71 opening, 72 1st lid, 72K 1st opening, 73 2nd lid, 73K 2nd opening.
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Abstract
Description
図1は、本実施形態に係る作業車両1の一例を示す斜視図である。本実施形態においては、作業車両1がダンプトラック1である例について説明する。ダンプトラック1は、鉱山の採掘現場で稼働する自走式のオフロードダンプトラックである。ダンプトラック1は、リジッドフレーム式である。なお、ダンプトラック1は、アーティキュレート式でもよい。
図2は、本実施形態に係るダンプトラック1を前方から見た模式図である。なお、図2は図1に示したダンプトラック1の構造を一部省略して示している。図3は、本実施形態に係るダンプトラック1の一部を左方から見た模式図である。図1、図2、及び図3に示すように、ダンプトラック1は、ラジエータ10を有する。ラジエータ10は、流体である冷却水(クーラント)が収容される収容部材である。冷却水は液体である。ラジエータ10は、車両本体2の前部に配置される。
次に、本実施形態に係るゲージ50について図2、図3、図4、及び図5を用いて説明する。図4は、本実施形態に係るアッパータンク11の一部を後方から見た模式図である。図5は、本実施形態に係るアッパータンク11の一部を上方から見た模式図である。
次に、本実施形態に係る冷却水の残量の点検方法について説明する。本実施形態においては、ダンプトラック1の始業前点検において、点検者であるダンプトラック1の運転者が、ラジエータ10に設けられているレベルゲージ50を目視して、ラジエータ10の冷却水の残量を確認する例について説明する。
以上説明したように、本実施形態によれば、レベルゲージ50は、ラジエータ10の長手方向の中央部に配置される。そのため、始業前点検において、ダンプトラック1が傾斜した地面に停車して、ラジエータ10が水平面に対して傾斜していても、レベルゲージ50は、冷却水の残量を正しく示すことができる。
Claims (8)
- 流体が収容される収容部材と、
前記収容部材の前記流体の残量を示すゲージと、を備え、
前記ゲージは、前記収容部材の長手方向の中央部に配置される、
作業車両。 - 前記ゲージは、直視式液面計を含み、前記収容部材の上部において前記収容部材の上面に対して傾斜する、
請求項1に記載の作業車両。 - 少なくとも一部に運転室が配置されるフロアデッキを備え、
前記ゲージは、前記フロアデッキに隣接する、
請求項1又は請求項2に記載の作業車両。 - 前記フロアデッキの前方に設けられる手すりを備え、
前記ゲージは、前後方向において前記手すりと前記フロアデッキとの間に配置される、
請求項3に記載の作業車両。 - 前記フロアデッキは、滑り止めプレートを含み、
前記ゲージは、前記滑り止めプレートの前端部に隣接する、
請求項4に記載の作業車両。 - 積荷が積載されるダンプボディを備え、
前記ダンプボディは、前記運転室の上方に配置されるプロテクタを有し、
前記ゲージは、前記プロテクタよりも前方に配置される、
請求項3から請求項5のいずれか一項に記載の作業車両。 - 前記収容部材は、前記流体が補給される補給口を有し、
前記ゲージは、前記補給口に隣接する、
請求項1から請求項6のいずれか一項に記載の作業車両。 - 前記収容部材の周囲の少なくとも一部に配置されるカバー部材を備え、
前記ゲージの少なくとも一部は、前記カバー部材の一部に設けられた開口部の内側に配置される、
請求項1から請求項7のいずれか一項に記載の作業車両。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
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US15/505,419 US9896132B1 (en) | 2016-08-22 | 2016-08-22 | Working vehicle |
CA2960020A CA2960020C (en) | 2016-08-22 | 2016-08-22 | Working vehicle |
CN201680001614.9A CN106537101A (zh) | 2016-08-22 | 2016-08-22 | 作业车辆 |
PCT/JP2016/074417 WO2017043300A1 (ja) | 2016-08-22 | 2016-08-22 | 作業車両 |
JP2016555385A JP6062611B1 (ja) | 2016-08-22 | 2016-08-22 | 作業車両 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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PCT/JP2016/074417 WO2017043300A1 (ja) | 2016-08-22 | 2016-08-22 | 作業車両 |
Publications (1)
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WO2017043300A1 true WO2017043300A1 (ja) | 2017-03-16 |
Family
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PCT/JP2016/074417 WO2017043300A1 (ja) | 2016-08-22 | 2016-08-22 | 作業車両 |
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US (1) | US9896132B1 (ja) |
JP (1) | JP6062611B1 (ja) |
CN (1) | CN106537101A (ja) |
CA (1) | CA2960020C (ja) |
WO (1) | WO2017043300A1 (ja) |
Families Citing this family (2)
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USD832140S1 (en) * | 2017-04-06 | 2018-10-30 | Volvo Construction Equipment Ab | Hauler |
IT202100005312U1 (it) * | 2021-11-10 | 2023-05-10 | Cnh Ind Italia Spa | Indicatore per livello di fluido migliorato per un veicolo da lavoro |
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- 2016-08-22 US US15/505,419 patent/US9896132B1/en active Active
- 2016-08-22 JP JP2016555385A patent/JP6062611B1/ja active Active
- 2016-08-22 CA CA2960020A patent/CA2960020C/en active Active
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Also Published As
Publication number | Publication date |
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CN106537101A (zh) | 2017-03-22 |
CA2960020A1 (en) | 2017-06-27 |
CA2960020C (en) | 2017-10-03 |
US9896132B1 (en) | 2018-02-20 |
JPWO2017043300A1 (ja) | 2017-09-07 |
JP6062611B1 (ja) | 2017-01-18 |
US20180050727A1 (en) | 2018-02-22 |
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