WO2004078562A1 - 建設機械 - Google Patents
建設機械 Download PDFInfo
- Publication number
- WO2004078562A1 WO2004078562A1 PCT/JP2004/002176 JP2004002176W WO2004078562A1 WO 2004078562 A1 WO2004078562 A1 WO 2004078562A1 JP 2004002176 W JP2004002176 W JP 2004002176W WO 2004078562 A1 WO2004078562 A1 WO 2004078562A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- floor plate
- conditioning unit
- lower floor
- air
- case member
- Prior art date
Links
Classifications
-
- 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
- E02F9/16—Cabins, platforms, or the like, for drivers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00357—Air-conditioning arrangements specially adapted for particular vehicles
- B60H1/00378—Air-conditioning arrangements specially adapted for particular vehicles for tractor or load vehicle cabins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00507—Details, e.g. mounting arrangements, desaeration devices
- B60H1/00514—Details of air conditioning housings
- B60H1/0055—Details of air conditioning housings the housing or parts thereof being integrated in other devices, e.g. dashboard
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/20—Floors or bottom sub-units
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D33/00—Superstructures for load-carrying vehicles
- B62D33/06—Drivers' cabs
- B62D33/0617—Drivers' cabs for tractors or off-the-road vehicles
Definitions
- the present invention relates to a construction machine such as a hydraulic shovel or a hydraulic crane provided with a driver's seat on which an operator sits.
- the hydraulic excavator is provided with a lower traveling body capable of self-propelling, an upper revolving body mounted on the lower traveling body so as to be capable of turning, and an elevating and lowering mechanism provided in front of the upper revolving body. It is roughly composed of the working equipment provided.
- the upper revolving structure has a revolving frame serving as a base, and an engine, a driver's seat, and the like are provided on the revolving frame. Further, a floor plate is laid on the front side of the driver's seat at the foot of the operator, and a pedal, a lever, and the like for traveling are arranged on the front side of the floor plate.
- Some hydraulic excavators are equipped with a cap that covers the periphery of the driver's seat.In this type of hydraulic excavator, cold air is used to improve the working environment for operators working inside the cabin.
- Some air conditioners are equipped with air conditioners that supply conditioned air such as warm air.
- mini excavator there is a small excavator called a mini excavator.
- the cab mounted on this excavator is small enough to fit the vehicle size, so that the limited space inside the cab can be used effectively.
- the driver's seat is located above the engine.
- a small hydraulic excavator is provided with a unit accommodating room in the ceiling portion of the cabinet, and a unit 1 and an air-conditioning unit accommodated in the accommodating room. No. 4 351).
- the air conditioner converts the sucked air into conditioned air in the air conditioning unit, and blows out the conditioned air into the cab, thereby adjusting the temperature and the like in the cab according to the operator's preference. Can be.
- a unit accommodation room for accommodating the air conditioning unit is formed in the ceiling portion of the cabinet.
- the height is increased, and the height of the entire excavator is also increased.
- the air conditioner has an air conditioning unit that constitutes an indoor unit, a compressor and a condenser that constitute an outdoor unit, and the compressor and the condenser are mounted on the engine side and pipes are installed.
- the refrigerant is circulated to and from the air-conditioning unit via the air conditioner.
- An object of the present invention is to dispose an article such as an air conditioning unit on the floor panel side of a vehicle body, and to perform work during assembly and maintenance.
- An object of the present invention is to provide a construction machine capable of improving the performance.
- a construction machine includes a self-propelled vehicle body provided with a working device, a driver seat provided on the vehicle body, on which an operator sits, and a floor plate provided in front of the driver seat.
- the configuration adopted by the present invention is characterized in that the floorboard has a lower floorboard including a flat surface and a concave portion in which a part of the flat surface is recessed downward.
- An upper floor plate provided above the lower floor plate and covering the concave portion to form a double floor plate structure, and an article housing for storing articles between the concave portion of the lower floor plate and the upper floor plate. This is because the space is provided.
- the upper floor plate covers the articles stored in the article storage space. It can be hidden. In addition, by removing the upper floor plate, it is possible to perform maintenance, taking in and out of the articles stored in the article storage space, thereby improving workability.
- the lower floor plate has a three-dimensional structure formed by the concave portions, so that the strength can be increased and resonance can be prevented.
- the lower floor panel and the upper floor panel have a double floor panel structure, it is possible to block operating noise, heat, etc. under the floor, thereby improving the working environment.
- the article accommodating space can accommodate an air conditioning unit that supplies conditioned air.
- an air conditioning unit that supplies conditioned air.
- the cap can be inserted into a transport container without removing the cap, thereby improving workability during transport work.
- the article accommodating space accommodates an air conditioning unit for supplying conditioned air in a state in which a part of the space protrudes above the flat surface of the lower floor panel, and the upper floor panel includes the air conditioning unit.
- the air conditioning unit In order to cover the protruding part of the lower floor plate, it can be arranged at a distance from the flat surface of the lower floor plate in the height direction.
- the air conditioning unit is located in the recessed portion of the lower floor panel. Since the upper part of the container can be housed with the upper part protruding, the concave part can be formed shallow, preventing the concave part from interfering with other equipment installed under the floor. can do.
- the air conditioning unit can be installed on the floor panel, the air conditioning unit and the outdoor unit (compressor, condenser, etc.) installed on the engine side of the vehicle body are always connected even if the cap is removed. It can be in a state of having been done.
- the work of piping between the air conditioning unit and the outdoor unit and the work of charging the refrigerant can be performed before assembling the cabin to the vehicle body. This also improves workability.
- the present invention can form the lower floor plate such that the flat surface and the concave portion are integrated. This makes it possible to reduce the number of parts constituting the lower floor panel, and improve productivity.
- the lower floor panel has a floor panel member having a case mounting opening on a flat surface, and a concave portion formed separately from the floor panel member, and is attached to the case mounting opening of the floor panel member.
- It can be composed of a case member.
- the case member provided separately from the floor plate member can easily form the concave portion, so that it is possible to improve productivity, reduce manufacturing costs, and the like.
- a plurality of types of case members having different shapes of the concave portions can be stored in the article storage space. It can be stored efficiently and stably.
- the case member of the lower floor plate is used for accommodating the air-conditioning unit in the article accommodating space and the work used in accommodating the working tool in the article accommodating space.
- Tool case member, The air-conditioning unit case member and the work tool case member can be configured to be selectively attached to the case attachment opening of the floor plate member according to the articles to be stored in the article storage space.
- the concave portion should be formed in consideration of the shape of the air-conditioning unit 1, piping, and wiring.
- a specially designed case member for the air conditioning unit can be attached to the case mounting opening of the floor panel member, thereby improving workability when assembling the air conditioning unit.
- a work tool case member having a simple box-shaped concave portion is attached to the case attachment opening of the floor plate member. Just fine.
- the case member of the lower floor plate is configured to be detachably attached to the floor plate member having the case mounting opening by using a port, so that the case member is separated from the floor plate member. When detached, it is possible to inspect and maintain various devices disposed below the case mounting opening of the floor panel member.
- FIG. 1 is a front view showing a small-sized hydraulic excavator of a cabinet specification applied to the first embodiment of the present invention.
- Figure 2 is a partially broken front view showing the configuration around the driver's seat and the air conditioning unit in the cabinet.
- Fig. 3 is a perspective view showing the configuration around the driver's seat and the air conditioning unit in the cabinet.
- Fig. 4 is a perspective view showing the state where the upper floor panel is removed and the lower floor panel and the air conditioning unit are exposed, as viewed from the same position as in Fig. 3. You.
- FIG. 5 is a cross-sectional view of the air conditioning unit and the like as viewed from the direction indicated by arrows VV in FIG.
- FIG. 6 is an exploded perspective view showing the lower floor plate and the upper floor plate individually.
- FIG. 7 is a front view showing a small-sized hydraulic excavator of a canopy specification applied to the second embodiment of the present invention.
- FIG. 8 is a perspective view showing a configuration around a driver's seat and an article accommodating space in the canister.
- FIG. 9 is a perspective view of the state where the upper floor plate is removed, as viewed from the same position as in FIG.
- FIG. 10 is a perspective view showing a state in which a case member for an air conditioning unit is attached to a lower floor plate used in the third embodiment of the present invention.
- FIG. 11 is an exploded perspective view showing the floor panel member, the air conditioning unit case member, and the upper floor panel of the lower floor panel in FIG. 10 alone.
- FIG. 12 is a perspective view showing a state in which a work tool case member is attached to a lower floor plate used in the third embodiment of the present invention.
- FIG. 13 is an exploded perspective view showing the floor panel member of the lower floor panel, the case member for the working tool, and the upper floor panel in FIG. 12 individually.
- a small hydraulic shovel called a mini shovel
- the construction machine will be described in detail with reference to the accompanying drawings.
- FIG. 1 to FIG. 6 show a first embodiment of the present invention. Is shown.
- the small-sized hydraulic excavator used in the first embodiment is a hydraulic excavator having a cap that covers the periphery of the driver's seat, and an air conditioner that supplies conditioned air in the cabin. It has.
- reference numeral 1 denotes a cabinet-type hydraulic excavator shown as a specific example of a construction machine applied to the present embodiment.
- the hydraulic excavator 1 includes a self-propelled lower traveling body 2 and An upper revolving structure 3 which is mounted on the lower traveling structure 2 so as to be capable of turning and forms a vehicle body together with the lower traveling structure 2; And a working device 4 for performing such operations.
- the upper revolving unit 3 includes, for example, a revolving frame 5 formed using a thick steel plate or the like, an engine mounted on a rear side of the revolving frame 5, a hydraulic pump (neither is shown), or the like.
- An outer cover 16 provided from the right side to the rear side of the turning frame 5 and covering a hydraulic oil tank, a lager, an oil cooler (none of which is shown) including the engine,
- the working device 4 includes a boom 4A provided at the front of the revolving frame 5 so as to be able to move up and down, an arm 4B provided at the tip of the boom 4A so as to be able to move up and down, and the arm 4B. It is roughly constituted by a bucket 4C rotatably provided at the end of the buckle. Also, a plurality of excavating claws 4D (only one is shown in FIG. 1) are detachably attached to the bucket 4C.
- 1 1 is the key provided on the left side of swivel frame 5.
- the cabin 11 defines an operator's cab where the operator performs various operations by covering the periphery of a driver's seat 16 described later.
- the cap 11 is formed in a box shape by a front part 11A, a rear part 11B, a left side part 11C, a right side part (not shown), and a ceiling part 11D.
- a door 11E is mounted on the left side surface 11C so as to be openable and closable near the front side.
- Reference numeral 12 denotes a driver's seat support provided on the rear side of the swivel frame 5 so as to close the lower rear portion of the cabinet 11.
- the driver's seat support 12 is shown in FIGS. 2, 3, and 4.
- a step-shaped rear pedestal 13 fixedly provided at the rear side
- a front pedestal 14 detachably attached to the front side of the rear pedestal 13
- the rear pedestal It is roughly composed of a back plate 15 extending rearward from 13.
- the rear pedestal 13 and the front pedestal 14 support a driver's seat 16 to be described later, and the rear pedestal 13 and the back plate 15 also serve as an engine front cover that covers a part of the front side and the upper side of the engine. ing. Further, the front base 14 can be removed when performing the work of attaching and detaching the air conditioning unit 25 and the maintenance work.
- the back plate 15 has a mounting mount 15 A attached thereto. In addition, on the left side of the rear pedestal 13, the conditioned air blown out from the rearward outlet 19 D of the duct cover 19 described later through the rear side of the driver's seat 16, and the air conditioning unit described later A passage opening 13 A for returning to the 25 side is provided.
- Reference numeral 16 denotes a driver's seat provided on the driver's seat support base 12, and the driver's seat 16 is a seat on which the operet sits. Operating levers 17 and 18 for operating the working device 4 are provided on both the left and right sides of the driver's seat 16.
- Reference numeral 19 denotes a duct cover which is located on the right side of the cabinet 11 and extends forward from the driver's seat 16.
- the duct cover 19 is an air conditioning duct (not shown) for blowing conditioned air. It covers.
- a box-shaped monitor mounting portion 19A is integrally provided on the front side of the duct cover 19 so as to protrude upward, and a rear surface of the monitor mounting portion 19A is provided with a work condition or the like.
- a monitor (not shown) that displays information to the operator is installed.
- a foot outlet 19B for blowing conditioned air to the operator's feet is provided near the rear lower side, and an operator or cabin 1 is located on the front side.
- a front outlet 19 C that blows out conditioned air is provided at the front section 11 A etc. of 1.
- a rearward outlet 19D for blowing conditioned air to the rear side toward the operator seated on the driver's seat 16 is provided.
- the foot outlet 19 B is connected to the foot air outlet 3 OA provided in the outflow duct 30 of the air conditioning unit 25 described later, and the forward outlet 19 C and the rear outlet 19 C are connected.
- D is connected to a front air outlet 30 B provided in an outflow duct 30 of an air conditioning unit 25 described later.
- Reference numeral 20 denotes a lower floor plate provided in front of the driver's seat 16.
- the lower floor plate 20 has a double floor plate structure together with an upper floor plate 22 described later as shown in FIGS. Make up the part.
- the lower end of the lower floor plate 20 is fixed to the front end of the rear pedestal 13 by bolting and welding.
- a lever / pedal mounting plate 21 to which a traveling lever and a pedal (not shown) are mounted is fixed to the front end of the lower floor plate 20.
- the lower floor panel 20 has a rectangular flat surface 2 OA which is long in the left and right directions, and a downward face on both left and right ends of the flat surface 20 A.
- the lower floor plate 20 is formed by processing a single plate, so that the flat surface 2 OA, the bent surfaces 2 OB and 20 C, and the concave portion 20 D are formed. It is configured as an integral body formed in
- the concave portion 20D is formed as a bottomed box having a rectangular shape elongated in the left and right directions.
- the lower floor plate 20 is formed by drawing. It is provided integrally with the flat surface 2 OA.
- the depth dimension H1 of the concave portion 20D is, for example, about 50 to 80% of the height dimension H3 of the air conditioning unit 25 described later, for example, 60 to 7%. It is set in the range of 0%.
- the recess 20 D is dimensioned so as not to interfere with the revolving frame 5, the control valve (not shown), etc., arranged below the lower floor plate 20.
- the concave portion 20D makes the lower floor plate 20 have a three-dimensional structure, and also has a function of increasing the rigidity of the lower floor plate 20.
- Reference numeral 22 denotes an upper floor plate provided above the lower floor plate 20.
- the upper floor plate 22 covers a concave portion 20D (an air conditioning unit 25 described later).
- the upper floor plate 22 is formed so as to be flat over the entire surface, and together with the concave portion 20 D of the lower floor plate 20, a flat surface 22 A constituting an article accommodation space 24 and the flat surface 22 A are formed. It is roughly constituted by a bent surface 22B formed by bending the left edge of the flat surface 22A downward. ing.
- a running lever 1 and a front notch 22C for avoiding the pedal are provided extending leftward and rightward.
- an inclined notch portion 22D is provided to avoid a foot vent 3OA for an outflow duct 30 described later.
- the upper floor plate 22 is detachably attached to the upper surface of the lower floor plate 20 via, for example, a bolt.
- the upper floor plate 22 can be lifted by removing the port, and the air filters 26 A, 26 attached to the main body case 26 of the air conditioning unit 25 described later. B can be easily cleaned or replaced.
- the flat surface 22 A of the upper floor plate 22 is disposed with a gap having a height H 2 between the flat surface 20 A of the lower floor plate 20.
- the height (gap) dimension H2 is set, for example, to about 20 to 50% of the height dimension H3 of the air conditioning unit 25 described later, specifically, to a range of 30 to 40%. Have been.
- a gap 23 having a height H2 is formed between the flat surface 2OA of the lower floor plate 20 and the flat surface 22A of the upper floor plate 22.
- the gap 23 also serves as a passage for flowing air from a passage opening 13A of the rear pedestal 13 to a suction side of an air conditioning unit 25 described later.
- Reference numeral 24 denotes an article storage space provided between the concave portion 20D of the lower floor plate 20 and the flat surface 22A of the upper floor plate 22, and the article storage space 24 is provided with an air conditioning unit described later. To accommodate 25.
- the article storage space 24 is provided with the upper part of the air-conditioning unit 25 in the recess 20 D of the lower floor plate 20.
- the plate 20 is housed in a state of protruding above the flat surface 20 A of the plate 20.
- Air conditioning The projecting portion of the i-nit 25 is covered by the flat surface 22A of the upper floor plate 22 with a space between the flat surface 2OA of the lower floor plate 20 and H2.
- reference numeral 25 denotes an air-conditioning unit housed as an indoor unit in the concave recess 20D of the lower floor plate 20.
- the air-conditioning unit 25 is an outdoor unit attached to the engine side.
- the air conditioner is configured with a compressor, a condenser (neither is shown), etc.
- the air conditioning unit 25 adjusts the sucked air to cool air or warm air, and supplies the conditioned air into the cab 11.
- the air-conditioning unit 25 includes a box-shaped main body case 26 extending in the left and right directions, a blower fan 27 provided on the left side of the main body case 26, and a blower fan.
- An evaporator 28 provided in the main body case 26 at a position downstream of the fan 27, and an evaporator core 29 provided at a downstream of the evaporator 28. It is roughly constituted by an outflow duct 30 attached to the downstream end of the main body case 26.
- the outflow duct 30 has a foot vent 3 to supply the cool air cooled in the evaporator 280 or the warm air heated in the heater core 29 to the foot outlet 19 B of the duct cover 19.
- An OA and a front air outlet 30B for supplying to the forward outlet 19C and the rearward outlet 19D of the duct cover 19 are provided.
- the air conditioning unit 25 is provided with a concave portion of the lower floor plate 20.
- the height that fits in the gap 23 between the 20 D (depth dimension HI) and the flat surface 2 OA of the lower floor plate 20 and the flat surface 22 A of the upper floor plate 22 (height dimension II 2) It is formed with the dimension H3.
- the air-conditioning unit 25 drives the blower fan 27 to rotate, so that the purified air passes through the air filter 26 A '26 B of the main body case 26. Then, cool it down with Evapore overnight, or warm it up with heater core 29 to obtain conditioned air. Then, the conditioned air is supplied into the cap 11 through the outflow duct 30 and the outlets 19B, 19C, and 19D, and adjusts the inside of the cap 11 to an appropriate temperature. be able to.
- the conditioned air supplied to the inside of the cabin 11 is, as shown by arrows in Figs. 3 and 4, the passage opening 13A of the rear seat 13 on the rear side of the driver's seat 16 and the lower part.
- the air can be returned to the air conditioning unit 25 via the gap 23 between the floor panel 20 and the upper floor panel 22.
- the hydraulic excavator 1 has the above-described configuration. Next, a description will be given of a work procedure when the cabinet 11, the driver's seat 16, and the like are mounted on the turning frame 5.
- the air conditioning unit 25 is mounted in the concave portion 20 D (article accommodation space 24) of the lower floor plate 20, and the piping of the air conditioning unit 25 is performed.
- the air conditioning unit 25 is provided on the lower floor panel 20, it can be connected to the compressor and condenser on the engine side before installing the cabinet 11. It is also possible to perform a refrigerant charging operation.
- the cab 11 is turned by turning the cab 11 by assembling the front pedestal 14, the driver's seat 16, the upper floor plate 22, and the like in this order. Can be mounted on top.
- the operation of the hydraulic excavator 1 will be described.
- the hydraulic excavator 1 can be driven by operating the driving lever and the pedal.
- the operation levers 17 and 18 for work and raising and lowering the work device 4, it is possible to perform excavation work of earth and sand.
- the double floor plate structure can prevent the operating noise and heat of the control valve from leaking into the cab 11.
- the height of the cap 11 can be kept low, so that the cap 11 can be inserted into a transport container without being removed.
- Hydraulic excavators 1 can also be placed in the garage.
- the article storage space 24 is provided between the recess 20 D of the lower floor plate 20 and the flat surface 22 A of the upper floor plate 22. ing. Therefore, the air conditioning unit 25 can be accommodated in the article accommodation space 24 provided in the floorboard portion.
- the hydraulic excavator 1 can be inserted into the transport container without removing the cap 11, so that the workability during the transport operation can be improved.
- the hydraulic shovel 1 according to the present embodiment can be put in a garage that cannot be put in with the hydraulic shovel of the prior art.
- the recess 20 D of the lower floor plate 20 constituting the article storage space 24 has a depth dimension H1 of about 5% to about 80% of a height dimension H3 of the air conditioning unit 25.
- the air conditioning unit 25 is provided on the floor panel located in front of the driver's seat 16 so that the air conditioning unit 25 and the compressor on the engine side can be mounted even when the cabinet 11 is removed. Can be connected. In addition, the refrigerant can be charged. Therefore, assembly work and maintenance work of the hydraulic excavator 1 can be easily performed.
- the floor panel has a double floor panel structure composed of the lower floor panel 20 and the upper floor panel 22, the operating noise and heat of control valves and the like provided under the floor can be shut off, and the cabinet 1 1 The working environment inside the building can be improved.
- the concave portion 20 D allows the lower floor plate 20 to have a three-dimensional structure, the rigidity of the lower floor plate 20 can be increased, and the effect of suppressing resonance of the lower floor plate 20 etc.
- the lower floor plate 20 is formed by processing a single plate so that a flat surface 2 OA, bent surfaces 2 OB and 20 C, and a concave portion 20 D are formed in the body.
- the lower floorboard 20 has fewer parts because it is constructed as a single unit And increase productivity.
- the upper floor plate 22 is simply attached to the lower floor plate 20 by a bolt or the like, for example, with the door 11 E of the cabinet 11 open, remove the bolt, By simply lifting the upper floor plate 22, the files 26 A and 26 B of the main body case 26 can be attached and detached, and cleaning and replacement work can be performed easily.
- FIGS. 7 to 9 show a second embodiment of the present invention.
- a description will be given of an example of a canopy-type hydraulic excavator that covers an upper part of a driver's seat as a construction machine.
- the feature of the present embodiment is that the recessed portion of the lower floor plate accommodates working tools necessary for various operations.
- the same components as those in the above-described first embodiment are denoted by the same reference numerals, and description thereof will be omitted.
- reference numeral 31 denotes a hydraulic shovel of a canon specification, which is shown as a specific example of a construction machine applied to the second embodiment.
- a hydraulic shovel of a canon specification which is shown as a specific example of a construction machine applied to the second embodiment.
- a driver's seat 36 provided on a driver's seat support 35.
- Reference numeral 41 denotes a lower floor plate provided in front of the driver's seat 36 according to the second embodiment, and the lower floor plate 41 is double-walled together with an upper floor plate 44 described later, as shown in FIGS. It has a floorboard structure. Also, a lever is provided at the front end of the lower floor plate 4 1.
- Dull mounting plate 42 is fixed.
- the lower floor plate 41 is composed of a flat surface 41A, left and right bent surfaces 41B (only the left side is shown), and a concave portion 41C. In the same manner as the lower floor plate 20 of the above, it is formed as an integrated body obtained by adding a single plate.
- the opening position of the concave portion 41C is limited to the area in front of the driver's seat support base 35 and to the left of the duct cover 39. Restriction plate 4 3 is installed.
- the restriction plate 43 prevents the in-vehicle tool 46 and the flat claw 47 and the like described later housed in the article storage space 45 and the flat claw 47 and the like from entering the interior where access is difficult.
- Reference numeral 44 denotes an upper floor plate provided above the lower floor plate 41.
- the upper floor plate 44 is formed by a rectangular flat plate that covers the concave portion 41C.
- the upper floor plate 44 has a right end engaged with the restriction plate 43, and a left end detachably attached to the upper surface of the lower floor plate 41 via, for example, a knob-shaped fixture or a port.
- Reference numeral 45 denotes an article storage space provided between the recessed portion 41C of the lower floor plate 41 and the upper floor plate 44.
- the article storage space 45 includes an on-board tool 46 and a flat nail 47 described later. It accommodates working tools such as.
- Reference numeral 46 denotes an in-vehicle tool as an article stored in the concave portion 41C of the lower floor plate 41.
- the in-vehicle tool 46 includes a spanner, a driver, and the like.
- Reference numeral 47 denotes a flat claw.
- the flat claw 47 is attached to the tip of the packet 4C of the working device 4 in exchange for a claw 4D for excavation, and is used when leveling the ground. It is an exchange tool used.
- These on-board tools 46, flat claws 47, and the like constitute work tools used for maintenance work, leveling work, and the like.
- the vehicle-mounted tool 46, the flat pawl 47, and the like can be accommodated in the article accommodation space 45 provided on the floor. As a result, maintenance work, nail replacement work, and the like can be easily performed.
- FIGS. 10 to 13 show a third embodiment of the present invention.
- This embodiment is characterized in that a lower floor plate is provided with a floor plate member having a case mounting opening on a flat surface, a case member which is formed separately from the floor plate member and which is formed in the case mounting opening of the floor plate member.
- the same components as those in the above-described first embodiment are denoted by the same reference numerals, and description thereof will be omitted.
- reference numeral 51 denotes a lower floor plate according to the third embodiment, which is used in place of the lower floor plate 20 according to the first embodiment, and the lower floor plate 51 is provided together with the upper floor plate 22 in the second embodiment. It has a heavy-floor board structure and constitutes the lower layer. Further, the lower floor plate 51 is provided with a floor plate member 52 described later and a case member 53 for an air conditioning unit described later, which is provided separately from the floor plate member 52 and selectively attached to the floor plate member 52. It is roughly composed of a tool case member 56.
- Reference numeral 52 denotes a floor plate member serving as a base of the lower floor plate 51.
- the floor plate member 52 has, as shown in FIG. A bent surface 52 B, 52 C provided by bending both left and right ends of the surface 52 A downward, and a large opening provided at the center of the flat surface 52 A. It is roughly constituted by a substantially rectangular case mounting opening 52D.
- the floor plate member 52 has a rear end portion connected to a front end portion of the rear pedestal 13. And a lever / pedal mounting plate 21 is fixed to the front end.
- the case mounting opening 52D of the floor panel member 52 includes a case where the air conditioning unit 25 is stored in an article storage space 54 described later, and a case where the vehicle-mounted tool 46 and the flat nail are stored in the article storage space 58.
- the case member 53 for the air conditioning unit and the case member 56 for the working tool can be selectively attached according to the case where 47, etc. are stored.
- case mounting openings 52D of the floor panel members 52 are open, with the case members 53, 56 removed, and are equipped with equipment such as control valves, swivel devices, center joints, etc. arranged under the floor. (None of them are shown) can be exposed to the outside. In this open state, inspection and maintenance of these devices can be performed.
- 53 is an air-conditioning unit case member attached to the floor plate member 52 when the air-conditioning unit 25 is stored in the article storage space 54.
- the air-conditioning unit 1 and case member 53 are floor plate members. It is provided separately from 52.
- the air-conditioning unit case member 53 is formed such that a part of the flat surface 52A is recessed downward when the case member 53 is attached to the case mounting opening 52D of the floor plate member 52. 5 3 A recess is formed ing.
- the recessed portion 53A constitutes a part of the article storage space 54, and is a bottomed box that is elongated in the left and right directions and has a substantially rectangular shape. Is formed.
- the air conditioning unit case member 53 has a concave portion 53A formed in a stepped shape according to the shape of the air conditioning unit 25, and has a front side for routing piping, wiring, and the like. Has a notch 53B.
- a bracket 53 C for fixing a part of the air conditioning unit 25 or a part (not shown) attached to the air conditioning unit 25 is provided on the rear side of the air conditioning unit case member 53. Is provided.
- a mounting flange 0.53D which is in contact with the upper surface of the flat surface 52A.
- the case member 53 for the air conditioning unit is designed specifically for the concave portion 53A in consideration of the shape of the air conditioning unit 25, the piping, and the layout of the wiring. Therefore, the air conditioning unit 25 can be stably mounted on the concave portion 53A, and the assembling work can be performed accurately and easily. Moreover, since the air-conditioning unit case member 53 is formed separately from the floor plate member 52, it can be easily formed into a special shape suitable for the air-conditioning unit 25. Furthermore, the air-conditioning unit case member 53 has a mounting flange 53D detachably attached to the floor plate member 52 by a port 55 described later.
- Numeral 54 denotes an article storage space provided between the concave portion 53A of the air conditioning unit case member 53 constituting the lower floor plate 51 and the upper floor plate 22.
- the air conditioner unit 25 is accommodated in almost the same manner as the article accommodation space 24 according to the first embodiment.
- 55 is a plurality of ports for detachably attaching the air-conditioning unit case member 53 to the floor plate member 52, and each port 55 is a mounting flange 5 for the air-conditioning unit case member 53. It is screwed to the floor plate member 52 via 3D. This allows the air conditioning unit to be loosened by loosening each bolt 55 when performing inspection work or maintenance work on the control valve, swivel device, center joint, etc., installed under the floor.
- the case member 53 can be easily removed.
- Reference numeral 56 denotes a working tool case member (see FIG. 12) which can be attached to the floor plate member 52 when working tools such as on-board tools 46 and flat claws 47 are stored in an article storage space 58 described later.
- the work tool case member 56 is a case member for the air conditioning unit.
- the work tool case member 56 is attached to the floor plate member 52 and has a mounting frame 5 having an entrance 56 A1.
- the work tool case member 56 when the work tool case member 56 is attached to the case mounting opening 52D of the floor plate member 52, a part of the flat surface 52A faces downward. It is formed so that it is depressed. Further, the concave portion 56B constitutes a part of an article storage space 58 described later, and as shown in FIG. It is formed as a rectangular box.
- the recess 56B has its upper opening integrally fixed to the lower surface of the mounting frame 56A by using a fixing means such as welding.
- the work tool case member 56 is, like the air conditioner unit case member 53, connected to a plurality of bolts 55 via a mounting frame 56A. It is detachably attached to the floor panel member 52.
- reference numeral 57 denotes an upper floor plate provided above the work tool case member 56 when the work tool case member 56 is attached to the floor plate member 52 constituting the lower floor plate 51.
- the upper floor plate 57 covers the concave portion 56B, and is formed of a rectangular flat plate that opens and closes the entrance 56A1 of the mounting frame 56A.
- the upper floor plate 57 is formed by fitting, for example, two pins 57 A (only one is shown) provided at the corners to the mounting frame 56 A of the work tool case member 56. Therefore, it can be mounted on the mounting frame 56A in a positioned state.
- the upper floor plate 57 has a hook hole 57B for hooking a fingertip or the like when attaching or detaching.
- Reference numeral 58 denotes an article storage space provided between the recessed portion 56B of the working tool case member 56 and the upper floor plate 57, and the article storage space 58 includes an on-board tool 46 and a flat nail. It accommodates working tools such as 47.
- the lower floor plate 51 is provided with a separate air-conditioning unit case member 53 or a work tool case member 56 in the case mounting opening 52D of the floor plate member 52. It is designed to be attached. This makes it possible to easily form the case members 53 and 56 having a three-dimensional structure, thereby improving productivity, reducing manufacturing costs, and the like. .
- the air-conditioning unit case member 53 When the air-conditioning unit case member 53 is attached to the floor panel member 52, the air-conditioning unit formed taking into account the shape of the air-conditioning unit 25, piping and wiring, etc.
- the air-conditioning unit 25 can be stably and easily assembled to the case member 53, and reliability and assembly workability can be improved.
- the working tool case member 56 used for housing the working tools such as the on-board tool 46 and the flat nails 47 may be capable of accommodating the working tools, and may have a simple box shape to improve productivity and manufacture. Costs can be reduced.
- the box-shaped work tool case member 56 can increase the volume of the article storage space 58, and can increase the storage capacity.
- the lower floor panel 51 is formed, for example, by selectively mounting the air conditioning unit case member 53 and the work tool case member 56 to the case mounting opening 52D of the floor panel member 52, for example. It can handle both hydraulic excavator 1 with cap specification and hydraulic excavator with canopy specification.
- case member 53 for the air conditioning unit or the case member 56 for the work tool is configured to be detachably attached to the floor plate member 52 using the port 55, so that it can be easily attached and detached. can do.
- the control valve, swivel device, center joint, etc. which are disposed under the floor from the case mounting opening 52D of the floor plate member 52, can be inspected, Maintenance work can be performed, and workability can be improved.
- an article storage space 24 is provided between the recess 20 D of the lower floor plate 20 and the flat surface 22 A of the upper floor plate 22.
- the case where the air conditioner unit 25 constituting the indoor unit of the air conditioner is accommodated in the above is described as an example.
- the article storage space 24 between the lower floor panel 20 and the upper floor panel 22 may be replaced with another article instead of the air-conditioning unit 25, for example, an in-vehicle panel described in the second embodiment. It may be configured to accommodate the tool 46, the flat nail 47, and the like. In this case, the article accommodating space 24 according to the first embodiment can accommodate larger articles or more articles than the article accommodating space 45 according to the second embodiment.
- the hydraulic shovels 1 and 31 have been described as examples of the construction machine. However, the present invention is not limited to this. It may be applied to other construction machines.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Transportation (AREA)
- Combustion & Propulsion (AREA)
- Chemical & Material Sciences (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Component Parts Of Construction Machinery (AREA)
- Body Structure For Vehicles (AREA)
- Air-Conditioning For Vehicles (AREA)
- Forklifts And Lifting Vehicles (AREA)
- Vehicle Step Arrangements And Article Storage (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/547,573 US7559601B2 (en) | 2003-03-04 | 2004-02-25 | Construction machine |
DE602004027611T DE602004027611D1 (de) | 2003-03-04 | 2004-02-25 | Baustellenmaschine |
AT04714450T ATE470620T1 (de) | 2003-03-04 | 2004-02-25 | Baustellenmaschine |
EP04714450A EP1609701B1 (en) | 2003-03-04 | 2004-02-25 | Construction machine |
JP2005503013A JP4153521B2 (ja) | 2003-03-04 | 2004-02-25 | 建設機械 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003-57672 | 2003-03-04 | ||
JP2003057672 | 2003-03-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004078562A1 true WO2004078562A1 (ja) | 2004-09-16 |
Family
ID=32958745
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/002176 WO2004078562A1 (ja) | 2003-03-04 | 2004-02-25 | 建設機械 |
Country Status (8)
Country | Link |
---|---|
US (1) | US7559601B2 (ja) |
EP (1) | EP1609701B1 (ja) |
JP (1) | JP4153521B2 (ja) |
KR (1) | KR100646269B1 (ja) |
CN (1) | CN100383006C (ja) |
AT (1) | ATE470620T1 (ja) |
DE (1) | DE602004027611D1 (ja) |
WO (1) | WO2004078562A1 (ja) |
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JP2007030836A (ja) * | 2005-07-29 | 2007-02-08 | Hitachi Constr Mach Co Ltd | 建設機械 |
JP2007198057A (ja) * | 2006-01-27 | 2007-08-09 | Hitachi Constr Mach Co Ltd | 建設機械 |
JP2008273383A (ja) * | 2007-04-27 | 2008-11-13 | Press Kogyo Co Ltd | 建機キャブ及びその製造方法並びにその床構造 |
WO2010140514A1 (ja) * | 2009-06-03 | 2010-12-09 | 株式会社小松製作所 | 作業車両用運転室 |
WO2011125415A1 (ja) * | 2010-04-06 | 2011-10-13 | 日立建機株式会社 | 建設機械 |
JP2011207415A (ja) * | 2010-03-30 | 2011-10-20 | Kubota Corp | キャビン |
WO2012073611A1 (ja) * | 2010-11-29 | 2012-06-07 | 日立建機株式会社 | 建設機械 |
KR20120110005A (ko) * | 2011-03-28 | 2012-10-09 | 히다찌 겐끼 가부시키가이샤 | 건설 기계 |
WO2013021725A1 (ja) | 2011-08-09 | 2013-02-14 | 日立建機株式会社 | 建設機械 |
WO2013035426A1 (ja) | 2011-09-09 | 2013-03-14 | 日立建機株式会社 | 建設機械 |
US8485589B2 (en) | 2010-03-30 | 2013-07-16 | Kubota Corporation | Cabin system |
JP2019023006A (ja) * | 2017-07-24 | 2019-02-14 | 三菱ロジスネクスト株式会社 | 産業用車両 |
JP7550061B2 (ja) | 2021-01-20 | 2024-09-12 | 株式会社小松製作所 | 作業機械の運転室およびホイールローダ |
JP7550062B2 (ja) | 2021-01-20 | 2024-09-12 | 株式会社小松製作所 | 作業機械の運転室およびホイールローダ |
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EP1602565A4 (en) * | 2003-02-27 | 2006-07-05 | Komatsu Mfg Co Ltd | HYDRAULIC EXCAVATOR TYPE A PARTIAL ROTATION OF THE REAR |
JP4209787B2 (ja) * | 2004-02-26 | 2009-01-14 | 日立建機株式会社 | 建設機械 |
WO2006080495A1 (ja) * | 2005-01-31 | 2006-08-03 | Komatsu Ltd. | 作業車両 |
JP4667142B2 (ja) * | 2005-07-05 | 2011-04-06 | ヤンマー株式会社 | 旋回作業車 |
US20070131466A1 (en) * | 2005-12-12 | 2007-06-14 | Gutzwiller Timothy M | Work machine with electrical and hydraulic service centers |
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US7900996B2 (en) * | 2007-08-13 | 2011-03-08 | Hitachi Construction Machinery Co., Ltd. | Construction machine |
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JP5108709B2 (ja) * | 2008-09-30 | 2012-12-26 | 株式会社神戸製鋼所 | 建設機械のキャビン防音装置 |
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CN102667012B (zh) * | 2010-03-24 | 2015-04-01 | 日立建机株式会社 | 工程机械 |
EP2428376B1 (en) * | 2010-09-14 | 2013-08-21 | CLAAS Tractor SAS | Preassembled rear module of a cabin of a heavy vehicle. |
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US8925663B2 (en) * | 2011-02-07 | 2015-01-06 | Hitachi Construction Machinery Co., Ltd. | Construction machine |
JP5161360B1 (ja) * | 2011-12-16 | 2013-03-13 | 株式会社小松製作所 | ユーティリティー台を備える作業車両のキャブ |
US8870256B2 (en) * | 2011-12-16 | 2014-10-28 | Komatsu Ltd. | Work vehicle cab equipped with utility base |
JP5894708B2 (ja) * | 2015-03-16 | 2016-03-30 | 株式会社小松製作所 | 作業車両および作業車両用キャブ |
CN107882088A (zh) * | 2017-03-07 | 2018-04-06 | 徐州徐工筑路机械有限公司 | 平地机 |
TR201808807A2 (tr) | 2018-06-21 | 2018-08-27 | Hidromek Hidrolik Ve Mekanik Makina Imalat Sanayi Ve Ticaret Anonim Sirketi | İş maki̇neleri̇ i̇çi̇n geli̇şti̇ri̇lmi̇ş bi̇r kli̇ma (hvac) komplesi̇ |
US12024857B2 (en) * | 2020-07-16 | 2024-07-02 | Deere & Company | Tractor cab operator platform |
RU202357U1 (ru) * | 2020-09-30 | 2021-02-12 | Олег Александрович Маслеников | Устройство для обогрева рукояток управления крано-манипуляторной установки |
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- 2004-02-25 KR KR1020057002658A patent/KR100646269B1/ko not_active IP Right Cessation
- 2004-02-25 JP JP2005503013A patent/JP4153521B2/ja not_active Expired - Fee Related
- 2004-02-25 EP EP04714450A patent/EP1609701B1/en not_active Expired - Lifetime
- 2004-02-25 US US10/547,573 patent/US7559601B2/en not_active Expired - Fee Related
- 2004-02-25 CN CNB2004800007132A patent/CN100383006C/zh not_active Expired - Fee Related
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Cited By (29)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2007030836A (ja) * | 2005-07-29 | 2007-02-08 | Hitachi Constr Mach Co Ltd | 建設機械 |
JP4541989B2 (ja) * | 2005-07-29 | 2010-09-08 | 日立建機株式会社 | 建設機械 |
JP2007198057A (ja) * | 2006-01-27 | 2007-08-09 | Hitachi Constr Mach Co Ltd | 建設機械 |
JP4607778B2 (ja) * | 2006-01-27 | 2011-01-05 | 日立建機株式会社 | 建設機械 |
JP2008273383A (ja) * | 2007-04-27 | 2008-11-13 | Press Kogyo Co Ltd | 建機キャブ及びその製造方法並びにその床構造 |
WO2010140514A1 (ja) * | 2009-06-03 | 2010-12-09 | 株式会社小松製作所 | 作業車両用運転室 |
US8528965B2 (en) | 2009-06-03 | 2013-09-10 | Komatsu Ltd. | Operator's cab for a work vehicle |
US8801086B2 (en) | 2010-03-30 | 2014-08-12 | Kubota Corporation | Cabin system |
US9242681B2 (en) | 2010-03-30 | 2016-01-26 | Kubota Corporation | Cabin system |
JP2011207415A (ja) * | 2010-03-30 | 2011-10-20 | Kubota Corp | キャビン |
US8485589B2 (en) | 2010-03-30 | 2013-07-16 | Kubota Corporation | Cabin system |
US8616619B2 (en) | 2010-04-06 | 2013-12-31 | Hitachi Construction Machinery Co., Ltd. | Construction machine |
JP5362906B2 (ja) * | 2010-04-06 | 2013-12-11 | 日立建機株式会社 | 建設機械 |
WO2011125415A1 (ja) * | 2010-04-06 | 2011-10-13 | 日立建機株式会社 | 建設機械 |
JP5341264B2 (ja) * | 2010-11-29 | 2013-11-13 | 日立建機株式会社 | 建設機械 |
WO2012073611A1 (ja) * | 2010-11-29 | 2012-06-07 | 日立建機株式会社 | 建設機械 |
US8967309B2 (en) | 2010-11-29 | 2015-03-03 | Hitachi Construction Machinery Co., Ltd. | Construction machine |
KR20120110005A (ko) * | 2011-03-28 | 2012-10-09 | 히다찌 겐끼 가부시키가이샤 | 건설 기계 |
KR101709365B1 (ko) | 2011-03-28 | 2017-03-08 | 히다찌 겐끼 가부시키가이샤 | 건설 기계 |
EP2743408A1 (en) * | 2011-08-09 | 2014-06-18 | Hitachi Construction Machinery Co., Ltd. | Construction machine |
US8950801B2 (en) | 2011-08-09 | 2015-02-10 | Hitachi Construction Machinery Co., Ltd. | Construction machine |
EP2743408A4 (en) * | 2011-08-09 | 2015-04-08 | Hitachi Construction Machinery | CONSTRUCTION MACHINE |
WO2013021725A1 (ja) | 2011-08-09 | 2013-02-14 | 日立建機株式会社 | 建設機械 |
US8944493B2 (en) | 2011-09-09 | 2015-02-03 | Hitachi Construction Machinery Co., Ltd. | Construction machine |
WO2013035426A1 (ja) | 2011-09-09 | 2013-03-14 | 日立建機株式会社 | 建設機械 |
KR20140071970A (ko) | 2011-09-09 | 2014-06-12 | 히다치 겡키 가부시키 가이샤 | 건설 기계 |
JP2019023006A (ja) * | 2017-07-24 | 2019-02-14 | 三菱ロジスネクスト株式会社 | 産業用車両 |
JP7550061B2 (ja) | 2021-01-20 | 2024-09-12 | 株式会社小松製作所 | 作業機械の運転室およびホイールローダ |
JP7550062B2 (ja) | 2021-01-20 | 2024-09-12 | 株式会社小松製作所 | 作業機械の運転室およびホイールローダ |
Also Published As
Publication number | Publication date |
---|---|
JPWO2004078562A1 (ja) | 2006-06-08 |
US20060170251A1 (en) | 2006-08-03 |
CN1701019A (zh) | 2005-11-23 |
EP1609701A4 (en) | 2006-06-14 |
US7559601B2 (en) | 2009-07-14 |
CN100383006C (zh) | 2008-04-23 |
ATE470620T1 (de) | 2010-06-15 |
KR100646269B1 (ko) | 2006-11-23 |
EP1609701A1 (en) | 2005-12-28 |
DE602004027611D1 (de) | 2010-07-22 |
KR20050028058A (ko) | 2005-03-21 |
EP1609701B1 (en) | 2010-06-09 |
JP4153521B2 (ja) | 2008-09-24 |
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