WO2008136203A1 - Machine de construction - Google Patents

Machine de construction Download PDF

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Publication number
WO2008136203A1
WO2008136203A1 PCT/JP2008/052785 JP2008052785W WO2008136203A1 WO 2008136203 A1 WO2008136203 A1 WO 2008136203A1 JP 2008052785 W JP2008052785 W JP 2008052785W WO 2008136203 A1 WO2008136203 A1 WO 2008136203A1
Authority
WO
WIPO (PCT)
Prior art keywords
post
processing device
support member
construction machine
tank
Prior art date
Application number
PCT/JP2008/052785
Other languages
English (en)
Japanese (ja)
Inventor
Shohei Kamiya
Kazunori Nakamura
Yasushi Arai
Original Assignee
Hitachi Construction Machinery Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Construction Machinery Co., Ltd. filed Critical Hitachi Construction Machinery Co., Ltd.
Priority to JP2009512891A priority Critical patent/JPWO2008136203A1/ja
Publication of WO2008136203A1 publication Critical patent/WO2008136203A1/fr

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
    • E02F9/08—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
    • E02F9/0866—Engine compartment, e.g. heat exchangers, exhaust filters, cooling devices, silencers, mufflers, position of hydraulic pumps in the engine compartment
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/008—Mounting or arrangement of exhaust sensors in or on exhaust apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/009—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series
    • F01N13/0097—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series the purifying devices are arranged in a single housing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/18—Construction facilitating manufacture, assembly, or disassembly
    • F01N13/1805—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/18—Construction facilitating manufacture, assembly, or disassembly
    • F01N13/1805—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body
    • F01N13/1811—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body with means permitting relative movement, e.g. compensation of thermal expansion or vibration
    • F01N13/1822—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body with means permitting relative movement, e.g. compensation of thermal expansion or vibration for fixing exhaust pipes or devices to vehicle body
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/105—General auxiliary catalysts, e.g. upstream or downstream of the main catalyst
    • F01N3/106—Auxiliary oxidation catalysts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
    • F01N2560/06—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being a temperature sensor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
    • F01N2560/08—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being a pressure sensor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
    • F01N2560/14—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics having more than one sensor of one kind
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2590/00—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines
    • F01N2590/08—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines for heavy duty applications, e.g. trucks, buses, tractors, locomotives
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2610/00—Adding substances to exhaust gases
    • F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
    • F01N3/033—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices
    • F01N3/035—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices with catalytic reactors, e.g. catalysed diesel particulate filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
    • F01N3/2066—Selective catalytic reduction [SCR]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

Definitions

  • the present invention relates to a construction machine such as a hydraulic excavator equipped with an aftertreatment device containing exhaust gas purification means for removing harmful substances in exhaust gas, for example.
  • hydraulic excavators which are typical examples of construction machinery, are white papers.
  • a lower traveling body capable of traveling, an upper revolving body mounted on the lower traveling body so as to be able to swivel, and a working device provided on the front side of the upper revolving body so as to be able to move up and down.
  • the upper swing body is equipped with an engine for driving a hydraulic pump at the rear of the swing frame, and a cap, fuel tank, hydraulic oil tank, etc. are mounted in front of the revolving frame.
  • the engine of the hydraulic excavator uses Tizellenjin.
  • This diesel is said to emit harmful substances such as particulate matter (Pir ticu 1 at te mate ter) and nitrogen oxides (N O x). Therefore, the hydraulic excavator is provided with a post-treatment device in the exhaust pipe of the engine, and an exhaust gas purification device for removing harmful substances in the exhaust gas is accommodated inside the post-treatment device (for example, a patent Reference 1: Japanese Patent Laid-Open No. 2 0 0 3 ⁇ 2 0 9 3
  • the exhaust gas purifying device collects and removes particulate matter ( ⁇ M) in the exhaust gas.
  • ⁇ M particulate matter
  • DPF De 1 Part 1 CU late Filter
  • N 0 X purification device that purifies nitrogen oxide (N 0 X) using an aqueous urea solution (for example, patent literature) 2 JP 2
  • An exhaust gas purifier S such as an X purifier has a double core with a number of through holes provided in a member made of, for example, a ceramic material or a metal material. For this reason, the core of the exhaust gas purification device may be damaged when a large vibration is constantly applied. Therefore, the aftertreatment device is attached to the swivel frame side via a vibration isolation member.
  • the diesel particulate removal device is equipped with electrical components such as a temperature sensor that detects the temperature of the exhaust gas and a differential pressure sensor that detects the PM trapping ability. is doing .
  • the N X purification device is equipped with a temperature sensor such as a temperature sensor that detects whether the urea aqueous solution is at a temperature at which ammonia is generated.
  • the present invention has been made in view of the above-mentioned problems of the prior art.
  • the object of the present invention is to assemble the post-processing device and the parts related to the post-processing device separately in advance, so that the assembly can be attached to the vehicle body with a simple operation.
  • the construction machine according to the present invention comprises a vehicle body capable of running white, an engine mounted on the vehicle body, an exhaust gas connected to the exhaust pipe of the engine, and for removing precious substances in the exhaust gas. And an aftertreatment device in which the purification means is accommodated.
  • the features of the configuration employed by the present invention are: a support member made of a member different from the vehicle body, and an assembly made to the support member via a vibration isolating member /
  • the post-processing apparatus assembly is configured by the ed post-processing apparatus, and the post-processing apparatus assembly is configured using the support member.
  • HU is designed to be mounted on the vehicle body
  • the post-processing device can perform work for assembling the vibration-proofing members that require labor, various types of piping work, etc. in advance in different locations.
  • the assembly can be easily attached to the vehicle body using a support member. This makes it possible to facilitate assembly work and improve productivity.
  • the post-processing apparatus assembly can be configured by suspending the post-processing apparatus from the support member via a vibration isolating member.
  • the post-processing apparatus assembly can effectively suppress vibration since the post-processing apparatus is supported by being suspended from the support member via the vibration isolating member.
  • electrical components related to the exhaust gas purifying means are assembled in the aftertreatment device assembly. Can be configured.
  • a connector can be provided at the tip of the harness extending from the electrical component, and the connector can be attached to the support member.
  • the harness on the vehicle body side can be easily connected to the connector even after the post-processing device assembly is attached to the vehicle body.
  • the support member constituting the post-processing device assembly is formed as a frame structure and is attached to the table body. And a bracket that suspends and supports the post-treatment device via the vibration-proof member.
  • the support member formed as a frame structure is attached to the vehicle body, and the post-processing device is supported by the bracket provided on the frame body via the vibration isolation member.
  • Processing equipment group
  • the Ai body can be attached to the vehicle body. Since the post-processing device is supported by being suspended by a bracket ⁇ , vibration can be effectively suppressed.
  • the support member constituting the post-processing apparatus assembly is formed as a frame structure and attached to the vehicle body, and extends downward from the frame.
  • the post-processing device is provided with mounting arms on both sides in the length direction, and the post-processing device includes each bracket of the support member. And the mounting arm can be mounted via the vibration isolating member.
  • the support member constituting the post-processing apparatus assembly includes a frame body formed as a frame structure body and attached to the vehicle body, and a pair of brackets provided extending downward from the frame body. It can be configured more.
  • the post-processing apparatus can attach the mounting arms and the brackets of the support member via the vibration-proofing members by providing mounting arms on both sides in the length direction. You can.
  • the vehicle body is provided with a mounting frame for mounting the post-processing device assembly in the vicinity of the engine, and the post-processing device assembly is provided with the mounting frame.
  • the support member is fixed to the structure.
  • the mounting frame is provided in the vicinity of the engine in the vehicle body. Therefore, the post-processing device assembly fixes the support member to the mounting frame, thereby The aftertreatment device assembly can be easily installed near the engine.
  • the post-treatment device includes a cylindrical tank, an oxidation catalyst and a filter provided in the tank and constituting the exhaust gas purification means, and a temperature in the tank.
  • a temperature sensor for detecting, a harness is provided between the temperature sensor and the support member, and a differential pressure sensor for detecting a pressure difference before and after the filter is provided in the tank.
  • the tank and the differential pressure sensor are connected by a tube.
  • the aftertreatment device includes a cylindrical tank, an oxidation catalyst and a filter provided in the tank, and the tank. And a harness is provided between the temperature sensor and the support member, and the support member is provided with the harness in the evening before the fill. A differential pressure sensor for detecting the subsequent pressure difference is provided, and the tank and the differential pressure sensor are connected by a tube.
  • DPF diesel particulate removal device
  • the post-processing apparatus comprises:
  • a temperature sensor for detecting the temperature in the tank, and a harness is provided between the temperature sensor and the support member.
  • the aftertreatment device is constituted by a cylindrical tank, a urea selective reduction catalyst and an oxidation catalyst provided in the tank, and a temperature sensor for detecting the temperature in the tank, and Provide a harness between the temperature sensor and the support member
  • FIG. 1 is a front view showing a hydraulic shovel according to the first embodiment of the present invention.
  • FIG. 2 is a plan view showing the upper swing body and the post-processing device assembly with the cap and the building cover omitted.
  • FIG. 3 is an enlarged perspective view of the main part showing a state in which the post-processing device assembly is attached to the attachment frame.
  • Fig. 4 is an enlarged front view showing the post-processing device assembly.
  • FIG. 5 is an enlarged plan view showing the post-processing device assembly.
  • FIG. 6 is an enlarged perspective view showing the post-processing device assembly.
  • Fig. 7 is an enlarged cross-sectional view of the main part of the vibration isolator, etc., as seen from the V I I- V I I direction in Fig. 5.
  • FIG. 8 is an enlarged front view showing the post-processing device assembly according to the second embodiment.
  • FIG. 1 to FIG. 7 show a first embodiment of a construction machine according to the present invention.
  • this first embodiment shows a first embodiment of a construction machine according to the present invention.
  • An oxidation catalyst and a filter are accommodated in the aftertreatment device.
  • DPF Diesel particulate removal device
  • This hydraulic excavator 1 is mounted on a self-propelled cruciform lower traveling body 2 and can be rotated on the lower traveling body 2 via a turning device 3, and the vehicle body is mounted together with the lower traveling body 2.
  • the upper swing body 4 is generally constituted by an eggplant and a work device 5 provided on the front side of the upper swing body 4 so as to be able to move up and down.
  • the upper revolving structure 4 has a revolving frame 6 and a key which will be described later. 7 7 Hydraulic pump 1 1 Hydraulic fluid 1
  • the upper rotating body 4 is configured such that a post-processing device assembly 1 8, which is assembled in advance as a separate member, is attached to the right side of the engine 8.
  • the swivel frame 6 is mounted on the lower traveling body 2 via a turning device 3. Further, as shown in FIG. 2, the swivel frame 6 has a thick bottom plate 6A extending in the front-rear direction, and is erected on the bottom plate 6A, and is moved forward and backward by a predetermined distance 3 ⁇ 4r fc in the left and right directions. A left vertical plate 6 B and a right vertical plate 6 C extending rearward, and a plurality of extended beams extending outward from the vertical plates 6 B and 6 C in the left and right directions.
  • a left side frame 6 E and a right side frame 6 F, which are attached to the tip of D and extend in the forward and backward directions, are roughly configured.
  • the cab 7 is the one on which the old Pereyu will board. Inside the cab 7, there is a driver's seat on which the operator sits, and various control levers (none of which are shown).
  • swivel frame 6 is an engine that forms a power source mounted on the rear side of swivel frame 6 in a horizontal position.
  • -It is configured as a zel engine. Also engine
  • an exhaust pipe 9 for exhaust gas exhaust is provided on the right side of 8, and a post-treatment device 2 3 described later is attached to the downstream side of the exhaust pipe 9.
  • diesel engine 8 is highly efficient and excellent in durability, but particulate matter (PM) and other substances are exhaust gas. It will be discharged at the same time. Therefore, the aftertreatment device 23 attached to the exhaust pipe 9 accommodates a diesel particulate removal device (DPF) 27 that collects and removes this PM.
  • DPF diesel particulate removal device
  • 1 0 is a heat exchanger (see Fig. 2) arranged on the left side of the engine 8, and the heat exchanger 1 0 is arranged with, for example, a radiator, a talented cooler, an in-cooler, etc.
  • 1 1 is a hydraulic pump attached to the right side of the engine 8, and the hydraulic pump 1 1 is driven by the engine 8 to control valves (not shown). Discharges pressure oil (hydraulic oil) toward
  • the hydraulic oil tank 12 which is a hydraulic oil tank mounted on the right side of 6, stores hydraulic oil supplied to the hydraulic pump 11.
  • 1 3 is a fuel tank provided on the front side of the hydraulic oil tank 1 2, and this fuel tank 1 3 stores the fuel to be supplied to the engine 8 inside.
  • 1 4 is a force weight attached to the rear end of the swivel frame 6 located behind the engine 8, and the count weight 14 balances the weight with the work device 5. It is what you take.
  • 1 5 indicates a building cover covering Enjin 8 etc.
  • 1 6 and 17 are left and right mounting frames located on the rear side of swivel frame 6, and left and right mounting frames 1 6,
  • each mounting frame 1 6 1 7 is the right side of the chain 8
  • the mounting frames 16 and 17 are arranged in a post-processing device assembly 1 to be described later. It is used as a mounting base for mounting 8 support members 1 9.
  • the left and right mounting frames 16 and 17 are, as shown in FIGS. 2 and 3, the vertical columns 16 A and 17 A located on the rear side and extending upward and downward, respectively,
  • the vertical pillars 16 A and 17 A are bent from the upper part and extended to the front side.
  • the horizontal pillars 16 B and 17 B are formed in a substantially L shape.
  • the mounting frames 1 6 and 1 7 are, for example, the bottom of the vertical columns 1 6 A and 1 7 A are fixed to the right vertical plate 6 C of the swivel frame 6, the extension beam 6 D, etc., and fixed by welding or the like. It is fixed integrally using means.
  • the front part of the horizontal pillars 1 6 B and 1 7 B is fixed to the structure such as a cutting plate (not shown) and the hydraulic oil tank 1 2 that define the engine chamber, and fixed by welding or the like. It is fixed by means.
  • the post-processing device assembly 18 is provided as a separate member from the upper rotating body 4 constituting the vehicle body, and can be assembled in advance at a different location. As shown in FIGS. 3 to 7, the post-processing device assembly 18 includes a support member 19, a post-processing device 2 3, a vibration isolating member 2 8, harnesses 3 1 and 3 3, and a connector 3, which will be described later. 2, 3 4, differential pressure sensor 35, etc.
  • Reference numeral 19 denotes a support member that forms the base of the post-processing device assembly 18, and the support member 19 is mounted on the left and right mounting frames 16 and 17. Further, the support member 1 9 includes a post-processing device 2 3 that constitutes a post-processing device assembly 1 8, and a vibration isolating member.
  • a support frame 20 which will be described later, It consists of front bracket 2 1, rear bracket 2 2, etc.
  • Reference numeral 20 denotes a support frame constituting the frame of the support member 19, which is attached to the horizontal pillars 16 A and 17 A of the left and right mounting frames 16 and 17. Is.
  • the support frame 20 is attached to the angled front frame portion 2OA, the rear frame portion 2OB, the plate-shaped left frame portion 20C, and the right frame portion 20D. It is configured as a rectangular frame structure. Further, at the four corners of the support frame 20, port through holes 20 E fixed to the attachment frames 16 and 17 are provided. Further, a sensor mounting portion 20 F for mounting a differential pressure sensor 35 described later is provided on the left rear portion of the support frame 20.
  • This front bracket 2 1 is a front bracket extending downward to the front side of the support frame 20, and the upper part of the front bracket 21 is fixed to the front frame 2 OA constituting the support frame 2 0 by welding or the like. It is fixed together with the means.
  • This front bracket 2 1 is a front bracket extending downward to the front side of the support frame 20, and the upper part of the front bracket 21 is fixed to the front frame 2 OA constituting the support frame 2 0 by welding or the like. It is fixed together with the means.
  • This front bracket 2 1 is a front bracket extending downward to the front side of the support frame 20, and the upper part of the front bracket 21 is fixed to the front frame 2 OA constituting the support frame 2 0 by welding or the like. It is fixed together with the means.
  • This front bracket 2 1 is a front bracket extending downward to the front side of the support frame 20, and the upper part of the front bracket 21 is fixed to the front frame 2 OA constituting the support frame 2 0 by welding or the like. It is fixed together with the means.
  • the post-treatment device 2 3 is supported by suspending it.
  • the front bracket 21 is composed of, for example, a plate body whose lower portion is bent in an L shape toward the front side, and a bolt for fixing the vibration isolating member 28 to the flat portion thereof. Hole 21A (shown in Fig. 7) is formed.
  • 2 2 is a rear bracket provided to extend downward to the rear side of the support frame 20, and the upper portion of the rear bracket 2 2 is
  • the rear bracket 2 2 suspends and supports the post-processing device 2 3, and the rear mounting arm 2 6 is mounted via a vibration isolation member 2 8.
  • the rear bracket 2 2 is It is formed with almost the same function as Racket 2
  • Reference numeral 2 3 denotes a post-processing device that is suspended from the lower side of the support member 19.
  • This post-treatment device 23 contains exhaust gas purification means for removing harmful substances in the exhaust gas, and is connected to the exhaust pipe 9.
  • the aftertreatment device 23 is roughly constituted by a tank 24, a front mounting arm 25, a rear mounting arm 26, a diesel particulate removing device 27, a temperature sensor 29, 30, and the like, which will be described later. ing. .
  • the 2 4 is a tank constituting the outer shape of the aftertreatment device 2 3.
  • the tank 24 is formed as a hollow cylinder extending in the front and rear directions, and the inside of the tank 24 has an oxidation catalyst 27 A and a filter of a diesel particulate removing device 27 described later. Ruta 2 7 B. Further, the tank 24 is formed by gently reducing the diameter on both sides in the axial direction, and connection flanges 24 A and 24 B are provided at the ends thereof. Furthermore, the exhaust pipe 9 of the engine 8 is connected to the front connection flange 24 A, and the tail pipe 39 (described later) is connected to the rear connection flange 24 B.
  • the trunk 24 is suspended from the brackets 2 1 and 2 2 of the support member 19 in a vibration-proof state via mounting arms 2 5 and 2 6 and a vibration-proof member 28 described later.
  • the front mounting arm 2 5 is a front mounting arm attached to the front side of the length direction of the tank 2 4, and the front mounting arm 2 5 is formed of a plate body that is bent a plurality of times along the tank 2 4. Therefore, the front part of the front mounting arm 25 is ported to a connection flange 24 A provided on the front side of the tank 24.
  • an elastic rubber mounting hole 2 5 A (Fig. 7) into which the elastic rubber 2 8 A of the vibration isolating member 2 8 is inserted. (Shown inside) is formed.
  • Reference numeral 26 denotes a rear mounting arm attached to the rear side of the tank 24, and the rear mounting arm 26 is formed of a plate body bent in an L shape. Further, the rear portion of the rear mounting arm 26 is ported to a connection flange 24 B provided on the rear side of the tank 24. On the other hand, an elastic rubber attachment hole (not shown) is formed in the front portion of the rear mounting arm 26.
  • Reference numeral 27 denotes a diesel particulate filter (Diesel Particulate Filter) provided as an exhaust gas purifying means provided in a tank 24 constituting the aftertreatment device 23.
  • the diesel particulate removal device 27 collects particulate matter (PM) in exhaust gas discharged from the engine 8, burns it, removes it (regeneration), and purifies the exhaust gas. Is.
  • the diesel particulate removal device 27 is disposed, for example, on the upstream side of the tank 24, the oxidation catalyst 27A that strengthens the oxidizing power of PM, and the downstream side of the oxidation catalyst 27A. It is generally composed of a filter that collects and regenerates PM.
  • These oxidation catalysts 27 A and 27 B have a honeycomb structure in which a large number of through holes are provided in a member made of, for example, a ceramic material or a metal material, and a large number of through holes The exhaust gas is circulated in the air.
  • 2 8 and 2 8 are two anti-vibration members provided between the brackets 2 1 and 2 2 of the support member 19 and the mounting arms 2 5 and 2 6 of the post-processing device 2 3, respectively. Is shown. Of these two anti-vibration members 2 8, for example, the anti-vibration member 2 8 provided between the front bracket 21 and the front mounting arm 25 is shown in FIG.
  • the vibration isolating member 2 8 is formed in a stepped cylindrical shape by a large diameter portion and a small diameter portion, and the elastic rubber 2 8 is fitted with the elastic rubber fitting hole 25 A of the front mounting arm 25 on the small diameter portion.
  • A another elastic rubber 28 B fitted to the small diameter portion of the elastic rubber 28 A so as to sandwich the front mounting arm 25, and an axial direction in the elastic rubber 28 A Fixed from the side of the busher 2 8 D, which is sandwiched between the fixed cylinder 28 and the other elastic rubber 28 B and the front mounting arm 2 5.
  • 2 9 is diesel particulate removal device 2 7 oxidation catalyst 2 7
  • This upstream temperature sensor 29 detects the temperature of the exhaust gas flowing into the bank 24 to confirm whether the oxidation catalyst 27 A of the diesel particulate removal device 27 can function. It is a thing.
  • Reference numeral 30 denotes a downstream side temperature sensor as an electrical component provided on the upper side of the tank 24 and positioned on the downstream side of the oxidation catalyst 27 A of the diesel particulate removal device 27.
  • This downstream temperature sensor 30 detects the temperature of the exhaust gas that has passed through the oxidation catalyst 27 A in order to confirm whether it can be regenerated by the filter 27 B of the diesel particulate removal device 27. That's it.
  • 3 1 is an eighteenth extending from the upstream temperature sensor 29, and a connector 3 2 is provided at the tip side of the eightness 3 1.
  • 3 3 is an eighteenth extending from the downstream temperature sensor 30.
  • the connection 3 4 is provided on the tip side of the harness 3 3.
  • the connectors 3 2 and 3 4 are attached to the left frame portion 20 C of the support frame 20 constituting the support member 19 in a collective manner.
  • the differential pressure sensor 3 5 is a differential pressure sensor attached to the sensor mounting portion 20 F of the support frame 20 constituting the support member 1 9.
  • the differential pressure sensor 3 5 is a filter of the diesel particulate removing device 2 7.
  • two tubes 3 5 A are used for the differential pressure sensor 3 5 to detect the amount of PM collected in 2 7 B.
  • 3 5 B is connected, and the end of one tube 3 5 A is a post-processing device to guide the pressure upstream of the filter 2 7 B
  • the tip of the other tube 35 B is in contact with the tank 2 4 of the aftertreatment device 2 3 so as to guide the pressure downstream of the filter 27 B.
  • the differential pressure sensor 35 detects the difference between the pressure on the front side (upstream side) and the pressure on the rear side (downstream side) of the filter chamber 27 B accommodated in the tank 24.
  • 3 6, 3 7, 3 8 are three sets of eighties (see Fig. 3) provided on the upper swing body 4 side, and each harness 3 6 3 7,
  • Each harness 3 6 3 Harness 3 6 out of 7 and 3 8 is upstream temperature sensor 2
  • 3 9 is a tail pipe bolted to the connecting flange 24 B of the tank 24 (see Fig. 3 etc.).
  • the tail pipe 39 forms a part of the exhaust pipe 9 that discharges exhaust gas to the outside of the building cover 15.
  • the hydraulic excavator 1 according to the first embodiment has the above-described configuration. Next, the assembly work will be described.
  • the post-processing device assembly 18 is pre-assembled at a location different from the main assembly line.
  • the diesel particulate removing device 2 7 is accommodated in the tank 2 4, and the mounting arms 2 5, 2 6 and the temperature sensors 2 9, 3 Install 0 and assemble aftertreatment device 2 3.
  • the post-processing device 2 3 Attach the mounting arms 2 5 and 2 6 to the brackets 2 1 and 2 2 of the support member 19 in a vibration-proof state via the vibration-proof members 2 8 and 2 8.
  • the connector 3 2 of the upstream temperature sensor 29 and the connector 3 4 of the downstream temperature sensor 30 are attached together on the front side of the left frame portion 20 C of the support frame 20. Install sensor 3 5 to sensor mounting part 20 F of support frame 20, and connect tubes 3 5 A and 3 5 B to tank 2 4.
  • the post-processing device assembly 18 can be assembled (pre-assembled) at a place where the work can be easily performed separately from the main assembly line. Then, the assembled post-processing device assembly 18 moves the support frame 20 of the support member 19 on the horizontal pillars 16 B and 17 B of the mounting frames 16 and 17 on the swivel frame 6 side. Place on. In this state, bolts 40 are passed through the port holes 20 E at the four corners of the support frame 20, and each port 40 is fastened to the horizontal column 16 B 17 B. As a result, the aftertreatment device assembly 1 8 is attached to each mounting frame 1 6.
  • the aftertreatment device assembly 18 is attached to each mounting frame 16,
  • the excavator 1 according to the first embodiment is as described above. Next, the operation will be described. First, the operator gets on the cab 7 of the upper swing body 4 and starts the engine 8 to drive the hydraulic pump 11. As a result, the pressure oil from the hydraulic pump 11 is supplied to various types of actions via the control valve in the evening. And
  • the lower traveling body 2 can be moved forward or backward.
  • the work device 5 can be moved up and down to perform excavation work of earth and sand.
  • particulate matter (PM), which is a harmful substance, is discharged from the exhaust pipe 9.
  • the diesel particulate removal device 2 7 uses the oxidation catalyst 2 7
  • PM Particulate matter oxidized by A is collected by filter evening 27B, and the collected PM is burned and removed (regenerated). As a result, the purified exhaust gas can be discharged from the tail tube 39 to the outside.
  • vibration occurs in various directions during traveling, this te motion can be buffered by each vibration isolating member 28 and vibration of the post-processing device 23 can be prevented.
  • the support member 19 provided as a separate member from the upper swing body 4, the post-processing device 2 3
  • the post-processing device assembly 1 8 can be assembled alone.
  • the assembled post-processing device assembly 1 8 can be attached to each mounting frame 1 6 1 7 on the upper revolving unit 4 side using the bolt ⁇ 40.
  • a temperature sensor 2930 and a differential pressure sensor 35 can be assembled in the post-processing device assembly 18 as electrical components related to the diesel particulate removal device 27. Therefore, the temperature sensors 29, 30 and the differential pressure sensor 35 can be easily assembled to the post-processing device assembly 18 at another place where the work is easy.
  • a connector 3 2 3 4 is provided at the tip of the harness 3 1 3 3 extending from each temperature sensor 2 9 3 0, and the connector 3 2 3 4 is attached to the support frame 2 0 of the support member 1 9. ing.
  • the harness 3 6 3 7 on the upper swing body 4 side can be easily attached to the connector 3 2 3 4 even after the post-processing device assembly 18 is attached to the mounting frames 16 and 17. It can be connected, and workability can be improved.
  • the support member 19 of the post-processing device assembly 1 8 is connected to the mounting arm 2 5 2 6 of the post-processing device 2 3 via the anti-vibration member 2 8 by the brackets 2 1 and 2 2.
  • the post-processing device assembly 18 can effectively suppress the vibration of the post-processing device 23 due to the suspension structure, and can be expected to improve the vibration-proof performance by the vibration-proof member 2 8. Further, the post-treatment device 2 3 is provided with a diesel particulate removal device 2 7 as an exhaust gas purification means, and its oxidation catalyst.
  • FIG. 8 shows a second embodiment of the construction machine according to the present invention.
  • the features of the second embodiment are as follows: an aftertreatment device ⁇ :, j3 ⁇ 4-shaped tank, a urea selective reduction catalyst and an oxidation catalyst that are provided in this tank and constitute exhaust gas purification means, and a tank.
  • the temperature sensor for detecting the temperature in the tank and the harness provided between the temperature sensor and the support member.
  • the same components as those in the first embodiment described above are denoted by the same reference numerals, and the description thereof is omitted.
  • the aftertreatment device 42 accommodates a NOX purification device 44, which will be described later, that purifies harmful substances in the exhaust gas, particularly nitrogen oxide (Ox), using an aqueous urea solution. is there.
  • the post-treatment device 4 2 is roughly configured by a tank 4 3 N O x purification device 4 4, a temperature sensor 4 5, and the like described later.
  • 4 3 is a tank of the post-processing device 4 2, which is formed as a hollow cylinder almost the same as the tank 2 4 according to the first embodiment, and has a fee flange at both ends. 4 3 A 4 3 B is provided. However, the tank 4 3 according to the second embodiment is located on the upstream side, and the injection valve mounting cylinder 4 Since 3 C is used, it is different from the branch 24 according to the first embodiment, so that the injector mounting cylinder 4 3 C Urea injection valve 4 8 is installed.
  • N O X purification device 4 4 is an N O X purification device as an exhaust gas purification means installed in the tank 4 3 .
  • This X O X purification device 4 4 uses nitrogen oxides in exhaust gas using urea aqueous solution ( N
  • urea selective reduction catalyst 4 4 A accommodated on the upstream side of the tank 4 3
  • an oxidation catalyst 4 4 B arranged on the downstream side of the urea selective reduction catalyst 4 4 A
  • a urea injection valve 4 It is roughly composed of 8
  • the urea selective reduction catalyst 44A is a catalyst that reduces NOx in the exhaust gas by the ammonia generated from the urea aqueous solution, and decomposes it into water and nitrogen.
  • the oxidation catalyst 44 B is for reducing ammonia in the exhaust gas.
  • This temperature sensor 45 which is a conventional temperature sensor, detects the temperature of the exhaust gas flowing into the tank 4 3 so that the floor selective far-end catalyst 4 4 A can be installed.
  • 46 is a harness extending from the temperature sensor 45, and the connector 45 is connected to the tip of the antenna 45.
  • the connector 4 7 is provided, and the connector 4 7 is a left frame portion of the support frame 2 0.
  • the 4 8 is a urea injection valve provided on the injection valve mounting cylinder 4 3 C of the tank 4 3, and the urea injection valve 4 8 has a joint 4 8 ⁇ connected to the urea aqueous solution tank via the supply pump (both Illustrated Connected).
  • the urea injection valve 48 is used for injecting the aqueous urea solution toward the exhaust gas flowing into the vacuum 43, ⁇ 3. ⁇ and urea injection valve 4
  • valve control signal output wiring (not shown).
  • the post-treatment device 4 2 is provided with a NO x purification device 44 as exhaust gas purification means, and the urea selective reduction catalyst 4 4 A and the oxidation catalyst 4 4 B are accommodated in the chamber 4 3. Power, et, NO
  • the configuration in which the diesel particulate removal device 27 is provided in the tank 24 as exhaust gas purification means is exemplified.
  • the exhaust gas is used.
  • the case where the NOX purification device 4 4 is provided in the tank 4 3 as the purification means is illustrated as an example.
  • the present invention is not limited to this, and other exhaust gas such as a three-way catalyst is included in the tank.
  • the gas purification means may be accommodated.
  • the post-processing device assembly 18 is connected to the post-processing device 2 3, and the outlet 2 4 is connected to the swivel frame 6.
  • the 20 is configured to be attached to the mounting frames 16 and 17 by the bolts 40 through the bolt holes 20 E provided at the four corners.
  • fc may be used as a structure in which the support frame 20 is directly welded to the mounting frames 16 and 17. These configurations can also be used weekly in the second embodiment.
  • the support frame 20 of 9 has a rectangular frame structure with four members including a front frame portion 20 A, a rear frame portion 20 B, a left frame portion 20 C, and a right frame portion 20 D.
  • 3 ⁇ 4 is an example of
  • the present invention is not limited to this, and for example, it may be a covered frame having a lid or a bottomed frame having a bottom /> ⁇ .
  • Other configurations such as I-shaped or I-shaped frames can also be applied.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Toxicology (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
  • Exhaust Silencers (AREA)
  • Component Parts Of Construction Machinery (AREA)

Abstract

Un dispositif de post-traitement (23) est monté sur un élément de support (19) dans un état en suspension par l'intermédiaire d'un élément résistant à la vibration (28), un ensemble de dispositif de post-traitement (18) assemblé séparément depuis une structure supérieure (4) servant comme carrosserie de véhicule étant constitué. L'ensemble de dispositif de post-traitement (18) peut effectuer certains travaux difficiles de manière facile et sûre en exécutant au préalable des tâches qui consomment du temps, comme le travail d'assemblage pour l'élément résistant à la vibration (28), le travail de tuyauterie hydraulique, et le travail de câblage électrique à un endroit séparé. L'ensemble de dispositif de post-traitement (18) peut être monté facilement sur la structure supérieure (4) en le plaçant simplement sur des cadres d'assemblage (16, 17) et des boulons de fixation (40).
PCT/JP2008/052785 2007-05-01 2008-02-13 Machine de construction WO2008136203A1 (fr)

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WO2010092857A1 (fr) * 2009-02-10 2010-08-19 ヤンマー株式会社 Dispositif de moteur
JP2010185292A (ja) * 2009-02-10 2010-08-26 Yanmar Co Ltd エンジン装置
JP2010185341A (ja) * 2009-02-12 2010-08-26 Yanmar Co Ltd エンジン
JP2010185340A (ja) * 2009-02-12 2010-08-26 Yanmar Co Ltd エンジン
JP2011127542A (ja) * 2009-12-18 2011-06-30 Yanmar Co Ltd エンジン装置
JP2012145013A (ja) * 2011-01-11 2012-08-02 Yanmar Co Ltd 排気ガス浄化装置
JP2012154030A (ja) * 2011-01-21 2012-08-16 Komatsu Ltd ブルドーザ
WO2013002390A1 (fr) * 2011-06-30 2013-01-03 日立建機株式会社 Machine de terrassement
JP2013002236A (ja) * 2011-06-21 2013-01-07 Hitachi Constr Mach Co Ltd 建設機械
JP2013001132A (ja) * 2011-06-10 2013-01-07 Kubota Corp 収穫機
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JP2013148008A (ja) * 2012-01-19 2013-08-01 Yanmar Co Ltd 排気ガス浄化装置
JP2013148007A (ja) * 2012-01-19 2013-08-01 Yanmar Co Ltd 排気ガス浄化装置
JP2013189981A (ja) * 2013-05-27 2013-09-26 Yanmar Co Ltd 作業車両搭載用のエンジン装置
WO2014024929A1 (fr) * 2012-08-08 2014-02-13 ヤンマー株式会社 Dispositif pour moteur destiné à être monté sur un engin de chantier
JP2014033634A (ja) * 2012-08-08 2014-02-24 Yanmar Co Ltd 作業機搭載用エンジン装置
JP2014045684A (ja) * 2012-08-30 2014-03-17 Yanmar Co Ltd 作業機搭載用エンジン装置
JP2014058896A (ja) * 2012-09-18 2014-04-03 Kubota Corp ディーゼルエンジンの排気処理装置
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JP2015052274A (ja) * 2013-09-05 2015-03-19 ヤンマー株式会社 作業機搭載用エンジン装置
EP2853705A1 (fr) * 2013-09-27 2015-04-01 Eberspächer Exhaust Technology GmbH & Co. KG Dispositif de traitement des gaz d'échappement
JP2015068306A (ja) * 2013-09-30 2015-04-13 株式会社クボタ ディーゼルエンジン
JP2015083836A (ja) * 2014-11-27 2015-04-30 ヤンマー株式会社 作業車両搭載用のエンジン装置
JP2015105551A (ja) * 2013-12-02 2015-06-08 日立建機株式会社 建設機械
JP2015124773A (ja) * 2013-12-27 2015-07-06 コベルコ建機株式会社 建設機械
JP2015148182A (ja) * 2014-02-06 2015-08-20 日立建機株式会社 建設機械
FR3018744A1 (fr) * 2014-03-24 2015-09-25 Peugeot Citroen Automobiles Sa Systeme de depollution pour vehicule automobile
JP2016078596A (ja) * 2014-10-15 2016-05-16 ヤンマー株式会社 作業車両
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JP2018113992A (ja) * 2018-04-27 2018-07-26 株式会社クボタ 収穫機
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US8549847B2 (en) 2008-08-11 2013-10-08 Hitachi Construction Machinery Co., Ltd. Exhaust gas purifying device
WO2010092857A1 (fr) * 2009-02-10 2010-08-19 ヤンマー株式会社 Dispositif de moteur
JP2010185292A (ja) * 2009-02-10 2010-08-26 Yanmar Co Ltd エンジン装置
JP2010185341A (ja) * 2009-02-12 2010-08-26 Yanmar Co Ltd エンジン
JP2010185340A (ja) * 2009-02-12 2010-08-26 Yanmar Co Ltd エンジン
JP2011127542A (ja) * 2009-12-18 2011-06-30 Yanmar Co Ltd エンジン装置
JP2012145013A (ja) * 2011-01-11 2012-08-02 Yanmar Co Ltd 排気ガス浄化装置
JP2012154030A (ja) * 2011-01-21 2012-08-16 Komatsu Ltd ブルドーザ
JP2013001132A (ja) * 2011-06-10 2013-01-07 Kubota Corp 収穫機
JP2013002236A (ja) * 2011-06-21 2013-01-07 Hitachi Constr Mach Co Ltd 建設機械
WO2013002390A1 (fr) * 2011-06-30 2013-01-03 日立建機株式会社 Machine de terrassement
EP2728075A4 (fr) * 2011-06-30 2015-03-11 Hitachi Construction Machinery Machine de terrassement
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CN103649422A (zh) * 2011-06-30 2014-03-19 日立建机株式会社 作业机械
JP2013148008A (ja) * 2012-01-19 2013-08-01 Yanmar Co Ltd 排気ガス浄化装置
JP2013148007A (ja) * 2012-01-19 2013-08-01 Yanmar Co Ltd 排気ガス浄化装置
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EP2806142A4 (fr) * 2012-01-19 2015-09-23 Yanmar Co Ltd Epurateur de gaz d'échappement
WO2013108667A1 (fr) * 2012-01-19 2013-07-25 ヤンマー株式会社 Epurateur de gaz d'échappement
WO2014024929A1 (fr) * 2012-08-08 2014-02-13 ヤンマー株式会社 Dispositif pour moteur destiné à être monté sur un engin de chantier
JP2014033634A (ja) * 2012-08-08 2014-02-24 Yanmar Co Ltd 作業機搭載用エンジン装置
CN104519732A (zh) * 2012-08-08 2015-04-15 洋马株式会社 作业机搭载用发动机装置
JP2014045684A (ja) * 2012-08-30 2014-03-17 Yanmar Co Ltd 作業機搭載用エンジン装置
JP2014058896A (ja) * 2012-09-18 2014-04-03 Kubota Corp ディーゼルエンジンの排気処理装置
US9662969B2 (en) 2013-03-28 2017-05-30 Yanmar Co., Ltd. Engine device
WO2014157284A1 (fr) * 2013-03-28 2014-10-02 ヤンマー株式会社 Dispositif de moteur
JP2013189981A (ja) * 2013-05-27 2013-09-26 Yanmar Co Ltd 作業車両搭載用のエンジン装置
JP2015052274A (ja) * 2013-09-05 2015-03-19 ヤンマー株式会社 作業機搭載用エンジン装置
CN104514598A (zh) * 2013-09-27 2015-04-15 埃贝斯佩歇废气技术合资公司 废气处理装置
US9399938B2 (en) 2013-09-27 2016-07-26 Eberspächer Exhaust Technology GmbH & Co. KG Exhaust gas treatment device
EP2853705B1 (fr) 2013-09-27 2017-05-03 Eberspächer Exhaust Technology GmbH & Co. KG Dispositif de traitement des gaz d'échappement
EP2853705A1 (fr) * 2013-09-27 2015-04-01 Eberspächer Exhaust Technology GmbH & Co. KG Dispositif de traitement des gaz d'échappement
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