WO2011158618A1 - 電動式建設機械 - Google Patents
電動式建設機械 Download PDFInfo
- Publication number
- WO2011158618A1 WO2011158618A1 PCT/JP2011/061905 JP2011061905W WO2011158618A1 WO 2011158618 A1 WO2011158618 A1 WO 2011158618A1 JP 2011061905 W JP2011061905 W JP 2011061905W WO 2011158618 A1 WO2011158618 A1 WO 2011158618A1
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- WO
- WIPO (PCT)
- Prior art keywords
- construction machine
- electric construction
- battery
- duct
- electric
- Prior art date
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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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K11/00—Arrangement in connection with cooling of propulsion units
- B60K11/06—Arrangement in connection with cooling of propulsion units with air cooling
-
- 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
-
- 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
-
- 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
- E02F9/20—Drives; Control devices
- E02F9/2058—Electric or electro-mechanical or mechanical control devices of vehicle sub-units
- E02F9/2062—Control of propulsion units
- E02F9/207—Control of propulsion units of the type electric propulsion units, e.g. electric motors or generators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K2001/003—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units
- B60K2001/005—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units the electric storage means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/40—Special vehicles
- B60Y2200/41—Construction vehicles, e.g. graders, excavators
- B60Y2200/412—Excavators
Definitions
- the present invention relates to an electric construction machine including a battery and an electric motor driven by a power source from the battery, and more particularly to an electric construction machine capable of efficiently cooling the battery.
- a battery is loaded on the rear part of the swivel body, and toxic gas generated when the battery is charged is discharged out of the rear cover of the swivel body (see, for example, Patent Document 1).
- the amount of power stored in the battery must have a capacity sufficient to perform the work of the construction machine.
- the surface area of about 40% of the body is required, and it is desired to mount more battery cells in the limited volume space at the rear of the revolving structure.
- the present invention has been made based on the above-described matters, and an object thereof is to provide an electric construction machine capable of efficiently cooling a battery loaded on a revolving structure.
- an electric construction machine in which a battery storage chamber is formed in a revolving structure, and a plurality of batteries serving as power sources are arranged in the battery storage chamber.
- a battery housing structure that has a battery and has an air flow path from below to above; a flexible covering sheet that covers the entire top and side surfaces of the battery housing structure; and And an exhaust duct having one end on the upper side.
- the second invention is an electric construction machine in which a battery storage chamber is formed at a rear portion of the revolving structure, and a plurality of batteries serving as power sources are arranged in the battery storage chamber.
- a battery housing structure having an air flow path from below to above, a flexible covering sheet covering the entire top and side surfaces of the battery housing structure, and one end on the upper side of the covering sheet And an exhaust duct provided with.
- the other end of the duct is connected to a chamber that is forcibly exhausted.
- the fourth invention is the third invention, wherein the forcibly exhausted chamber is provided in a revolving structure, and devices such as a hydraulic pump, an electric motor, an inverter, an oil tank, a heat exchanger, and a cooling fan are provided.
- devices such as a hydraulic pump, an electric motor, an inverter, an oil tank, a heat exchanger, and a cooling fan are provided.
- An electric construction machine that is housed in an equipment room that discharges indoor air to the outside by a cooling fan.
- a fifth aspect of the invention is that in the third aspect of the invention, an exhaust fan is provided at the other end of the duct.
- one end of the duct is connected to an upper surface of the cover sheet.
- one end of the duct is connected to an upper side surface of the cover sheet.
- the covering sheet is formed of a waterproof sheet.
- the covering sheet is formed of an antistatic sheet.
- the battery since the air is forced to flow through the battery, the battery can be efficiently cooled. As a result, it is possible to mount as many batteries as possible in the battery storage chamber without expanding the battery storage chamber.
- FIG. 1 is a front view showing an embodiment of an electric construction machine according to the present invention. It is the partial top view which looked at one Embodiment of the electric construction machine of this invention shown in FIG. 1 from upper direction.
- FIG. 3 is a cross-sectional view of the embodiment of the electric construction machine of the present invention shown in FIG. 2 as viewed from the direction of arrows III-III in FIG.
- FIG. 4 is a cross-sectional view of the embodiment of the electric construction machine of the present invention shown in FIG. 3 as seen from the direction of arrows IV-IV in FIG. 3 with a canopy attached. It is a perspective view of the battery storage structure which constitutes one embodiment of the electric construction machine of the present invention.
- FIG. 1 is a front view showing an embodiment of the electric construction machine of the present invention
- FIG. 2 is a partial plan view of the embodiment of the electric construction machine of the present invention shown in FIG. 1 and 2
- reference numeral 1 denotes an electric excavator that is an electric construction machine.
- the hydraulic excavator 1 is provided on a crawler type traveling body 2 capable of self-propelling and on a lower traveling body 2. It is mounted so as to be able to turn, and includes a turning body 3 that forms a vehicle body together with the traveling body 2.
- the work device 4 includes a boom 4A, an arm 4B, a bucket 4C, a boom cylinder 4D, an arm cylinder 4E, a bucket cylinder 4F, and the like.
- the revolving unit 3 performs a revolving operation on the lower traveling unit 2 around the revolving center P.
- a machine room 8 is formed on the right front side of the swivel frame 5 in the width direction.
- the machine room 8 houses devices such as a hydraulic pump, an electric motor, an inverter, an oil tank, a heat exchanger, and a cooling fan, which will be described later.
- a machine room exterior cover 9 covering the chamber 8 is provided.
- An exhaust hole 10 is provided on the front side of the machine room outer cover 9 for discharging the exhaust from the cooling fan to the outside.
- a battery storage chamber 11 for storing a battery structure to be described later is formed at the rear portion of the turning frame 5, and a battery storage chamber exterior cover 12 that covers the battery storage chamber 11 is provided.
- FIG.3 is a sectional view of the electric construction machine according to the embodiment of the present invention shown in FIG. 2 as viewed from the direction of arrows III-III in FIG. 2
- FIG. 4 is an electric construction of the invention shown in FIG.
- FIG. 4 is a cross-sectional view of an embodiment of the machine as seen from the direction of arrows IV-IV in FIG. 3 with a canopy attached.
- the same reference numerals as those shown in FIGS. 1 and 2 are the same parts.
- the electric excavator 1 includes a hydraulic pump, an electric motor, and the like as a drive source. By driving the hydraulic pump by the electric motor, a traveling hydraulic motor and a turning hydraulic motor (both not shown) and a working device 4 are provided. Since hydraulic oil for operation is supplied from the hydraulic pump toward the hydraulic equipment such as the respective cylinders 4D, 4E, and 4F, the above-described equipment and the like are installed in the machine room 8.
- the machine room 8 includes a machine room exterior cover 9, a bottom plate 13, a vertical partition plate 14 provided in the front-rear direction of the revolving frame 5 in the vicinity of the driver's seat 6, and the revolving frame 5 on the rear side of the revolving body 5. It is formed by the horizontal partition plate 15 provided in the left-right direction.
- An oil tank 16 that stores hydraulic oil supplied to the hydraulic equipment mounted on the hydraulic excavator 1 is installed in the front part of the machine room 8.
- An electric motor 17 that is driven by electric power from a battery that will be described later is provided below the rear part of the machine room 8.
- a hydraulic pump 18 is connected to the electric motor 17. The hydraulic pump 18 is driven by the electric motor 17 to discharge operating hydraulic oil (hydraulic oil) toward various hydraulic equipment mounted on the hydraulic excavator 1.
- An inverter 19 is disposed above the electric motor 17 in the machine room 8.
- a cooling fan 20 that discharges hot air in the machine room 8 to the outside of the machine room 8 is disposed in a portion of the machine room 8 facing the exhaust hole 10 on the front side of the machine room outer cover 9.
- a heat exchanger 21 that cools the hydraulic oil (returned oil) that returns from each hydraulic device mounted on the hydraulic excavator 1 to the oil tank 16, and
- An oil cooler 22 that cools the cooling water supplied to the electric motor 17 and the inverter 19 is disposed.
- FIG. 5 is a perspective view of a battery housing structure constituting an embodiment of the electric construction machine of the present invention
- FIG. 6 is a bottom plate of the battery housing structure constituting an embodiment of the electric construction machine of the present invention.
- FIG. 7 is a perspective view showing a state in which a battery housing structure part constituting an embodiment of the electric construction machine of the present invention is separated from a revolving body.
- a shelf-like battery storage structure 23 capable of storing a plurality of batteries is installed in the battery storage chamber 11 at the rear of the swivel frame 5 as shown in FIGS. It is installed.
- the battery housing structure 23 is detachably installed on two rear beams 5 a that form the swivel frame 5 and extend in the front-rear direction of the swirl 3 at the rear of the swivel 3.
- the weight of the battery is also used as a counterweight for the electric construction machine.
- the battery housing structure 23 can be detached from the rear beam 5a of the revolving frame 5 for battery replacement.
- the battery storage structure 23 includes a plurality of batteries 231 and a plurality of batteries that store and hold the batteries 231 in a plurality of rows in the vertical direction of the swing frame 5 and in a plurality of rows in the horizontal direction of the swing frame 5.
- the battery housing structure 23 has three stages in the vertical direction of the swivel frame 5 and three rows in the left-right direction of the swivel frame 5, and the center is two rows in the front-rear direction of the swivel frame 5, for a total of 12 batteries. 231 is stored.
- the battery table 232 in the battery storage structure 23 includes a battery bottom raising beam 232 ⁇ / b> A provided on the upper surface and a plurality of vent holes 232 ⁇ / b> B.
- the battery storage structure 23 has a flow passage through which air passes from the bottom to the top of the battery 231 from the bottom to the top. That is, the hot air generated in the battery 231 is positively increased by the air flow from the lower side to the upper side of the battery 231.
- the battery storage structure 23 is installed on the two rear beams 5a of the revolving frame 5 by the battery storage structure mounting base 236 and the connecting body 24.
- the 236 includes two flanges 236A extending in the front-rear direction of the revolving frame 5 and a flange coupling body 236B provided between the flanges 236A and projecting downward.
- the flange coupling body 236 ⁇ / b> B forms a space that takes in air from the front and rear direction of the revolving frame 5.
- a connecting body 24 having the same configuration as the battery storage structure mounting base 236 described above is fixed between the rear beams 5 a of the turning frame 5.
- An anti-vibration rubber 25 is provided between the flange 24 ⁇ / b> A of the connecting body 24 and the flange 236 ⁇ / b> A of the battery storage structure mounting base 236.
- the anti-vibration rubber 25 suppresses the vibration of the revolving body from being transmitted to the battery housing structure 23.
- the battery storage structure 23 is provided with a cover sheet 26 that covers the entire upper surface and side surfaces of the battery storage structure 23.
- One end of a duct 27 is connected to the upper surface of the cover sheet 26.
- the other end of the duct 27 is connected to one side of a connecting duct 28 provided on the horizontal partition plate 15 of the machine room 8 by a fastening band 29.
- the covering sheet 26 and the duct 27 are made of a flexible material that does not allow air to pass, such as vinyl, non-woven fabric, or cloth coated on the inner surface.
- symbol 30 shown in FIG.3 and FIG.4 is a guard which protects the battery storage structure 23, and is being fixed to the battery storage structure mounting base 236.
- an operator seated in the driver's seat 6 operates a traveling lever / pedal (not shown) to cause the traveling body 2 to self-travel and move the excavator 1 to the work site. Then, after the excavator 1 moves to the work site, the operator can perform excavation work such as earth and sand by the work device 4 while turning the revolving body 3 by operating an operation lever (not shown). .
- the electric cooling fan 20 is driven to generate cooling air in the machine room 8.
- the cooling air cools the hydraulic pump 18, the electric motor 17, the inverter 19, the oil tank 16, the heat exchanger 21, the oil cooler 22, and the like in the machine room 8, and removes hot air generated from these devices into the machine room.
- the air is discharged to the outside through the exhaust hole 10 on the front side of the exterior cover 9.
- the battery storage structure 23 in the battery storage chamber 11 is covered with a cover sheet 26 on its side and upper part, and the space in the cover sheet 26 is provided via a duct 27 and a connecting duct 28. Since it communicates with the inside of the machine room 8, the cooling air from the outside passes through the space in the cover sheet 26 from the bottom to the top of the battery 231 from the bottom to the top.
- the heat from the battery generated during charging and discharging rises in the cover sheet 26, and from the exhaust hole 10 through the duct 27, the connecting duct 28, and the machine room 8 by the cooling air described above. Since the battery 231 is forcibly discharged to the outside, the battery 231 is actively cooled. As a result, the battery 231 can always be kept at an appropriate temperature. As a result, power can be stably supplied from the battery 231 to the electric motor 18 and the like over a long period of time, and the reliability of the excavator 1 can be improved.
- each battery 231 in the battery housing structure 23 is covered by the bag-like cover sheet 26, it is possible to suppress the intrusion of rainwater and dust, so that leakage and deterioration can be prevented. Reliability and long life can be achieved.
- the cover storage sheet 26 can be lifted to expose the battery storage structure 23, so that the battery 231 can be replaced and maintained. , Workability such as charging is not impaired.
- FIG. 8 is a front view showing a partial cross section of another embodiment of the electric construction machine of the present invention.
- an exhaust fan 31 is provided in the connecting duct 28 in the horizontal partition plate 15 of the machine room 8. The exhaust fan 31 is used when charging the battery 231.
- an external power source is in the vicinity at the time of charging, and is driven using this external power source.
- the cover sheet 26 and the duct 27 are formed of a flexible sheet that does not allow air to pass through, such as vinyl, nonwoven fabric, and cloth coated on the inner surface and has a waterproof function will be described.
- the cover sheet 26 can be formed of an antistatic sheet. In this way, by configuring the cover sheet 26 with an antistatic sheet, it is possible to prevent a short circuit accident during inspection or the like.
- one end of the duct 27 is connected to the upper surface of the cover sheet 26.
- the duct 27 may be connected to the upper side surface of the cover sheet 26. In this case, it is not necessary to arrange one end of the duct 27 in the upper part of the cover sheet 26, and a space can be secured in the upper part of the cover sheet 26. Therefore, the battery 231 can be further arranged in this space.
- a bracket having a hole is erected on the upper part of the battery housing structure 23, the hole of the bracket is connected to the cover sheet 26, and the bracket hole is connected to the horizontal partition plate 15 of the machine room 8. It is also possible to connect the duct 28 with the duct 27.
- cover sheet 26 can be formed integrally, or a plurality of sheets can be joined together.
- the case where the battery storage structure 23 is provided in the battery storage chamber 11 formed in the rear portion of the revolving structure 3 has been described.
- the number can also be set as appropriate.
- the excavator 1 is exemplified as the electric construction machine.
- the present invention is not limited to this, and can be widely applied to other construction machines such as a wheel loader and a hydraulic crane.
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Component Parts Of Construction Machinery (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
- Operation Control Of Excavators (AREA)
Abstract
Description
図1は本発明の電動式建設機械の一実施の形態を示す正面図、図2は図1に示す本発明の電動式建設機械の一実施の形態を上方からみた部分平面図である。図1及び図2において、図中、1は電動式の建設機械である電動式油圧ショベルを示し、この油圧ショベル1は、自走可能なクローラ式の走行体2と、下部走行体2上に旋回可能に搭載され、走行体2と共に車体を構成する旋回体3とを備えている。また、旋回体3の前部側には、土砂の掘削作業等を行うスイング式の作業装置4が設けられている。作業装置4は、ブーム4A、アーム4B、バケット4C、ブームシリンダ4D、アームシリンダ4E、バケットシリンダ4F等により構成されている。
図3は、図2に示す本発明の電動式建設機械の一実施の形態を図2中の矢示III-III方向からみた断面図、図4は、図3に示す本発明の電動式建設機械の一実施の形態をキャノピを取付けた状態で図3中の矢示IV-IV方向からみた断面図である。これらの図において、図1及び図2に示す符号と同符号のものは同一部分である。
図5は本発明の電動式建設機械の一実施の形態を構成するバッテリ収納構造体の斜視図、図6は本発明の電動式建設機械の一実施の形態を構成するバッテリ収納構造体の底板を示す平面図、図7は本発明の電動式建設機械の一実施の形態を構成するバッテリ収納構造体部分を旋回体から分離した状態を示す斜視図である。
油圧ショベル1を用いて土砂の掘削作業等を行うときには、まず、電動モータ18を作動させて油圧ポンプ17を駆動する。
3 旋回体
5 旋回フレーム
8 機械室
9 機械室用外装カバー
10 排気孔
11 バッテリ収納室
12 バッテリ収納室用外装カバー
20 冷却ファン
23 バッテリ収納構造体
231 バッテリ
26 覆いシート
27 ダクト
28 連結用のダクト
31 排気ファン
Claims (9)
- 旋回体(3)にバッテリ収納室(11)を形成し、このバッテリ収納室(11)内に、電力源となる複数のバッテリ(231)を配置してなる電動式建設機械において、
前記バッテリ(231)が搭載され、下方から上方に向かう空気の流通路を有しているバッテリ収納構造体(23)と、
前記バッテリ収納構造体(23)の上面及び側面の全体を覆う可撓性の覆いシート(26)と、
前記覆いシート(26)の上部側に一方端を設けた排気用のダクト(27)とを備えた
ことを特徴とする電動式建設機械。 - 旋回体(3)の後部にバッテリ収納室(11)を形成し、このバッテリ収納室(11)内に、電力源となる複数のバッテリ(231)を配置してなる電動式建設機械において、
前記バッテリ(231)が搭載され、下方から上方に向かう空気の流通路を有しているバッテリ収納構造体(23)と、
前記バッテリ収納構造体(23)の上面及び側面の全体を覆う可撓性の覆いシート(26)と、
前記覆いシート(26)の上部側に一方端を設けた排気用のダクト(27)とを備えた
ことを特徴とする電動式建設機械。 - 請求項1又は2に記載の電動式建設機械において、
前記ダクト(27)の他方端は、強制排気されている室に連結されていることを特徴とする電動式建設機械。 - 請求項3に記載の電動式建設機械において、
前記強制排気されている室は、旋回体(3)に設けられ、油圧ポンプ、電動モータ、インバータ、オイルタンク、熱交換器、冷却ファン等の機器が収納され、冷却ファン(20)により室内の空気を外部に排出する機械室(8)であることを特徴とする電動式建設機械。 - 請求項3に記載の電動式建設機械において、
前記ダクト(27)の他方端に、排気ファン(31)を設けたことを特徴とする電動式建設機械。 - 請求項1乃至5のいずれか1項に記載の電動式建設機械において、
前記ダクト(27)の一方端は、前記覆いシート(26)の上面に連結したことを特徴とする電動式建設機械。 - 請求項1乃至5のいずれか1項に記載の電動式建設機械において、
前記ダクト(27)の一方端は、前記覆いシート(26)の上部側面に連結したことを特徴とする電動式建設機械。 - 請求項1乃至7のいずれか1項に記載の電動式建設機械において、
前記覆いシート(26)は、防水シートで形成されていることを特徴とする電動式建設機械。 - 請求項1乃至7のいずれか1項に記載の電動式建設機械において、
前記覆いシート(26)は、帯電防止シートで形成されていることを特徴とする電動式建設機械。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020127019103A KR101827583B1 (ko) | 2010-06-15 | 2011-05-24 | 전동식 건설 기계 |
EP11795526.0A EP2584100B1 (en) | 2010-06-15 | 2011-05-24 | Electric construction machine |
CN201180006176.2A CN102713084B (zh) | 2010-06-15 | 2011-05-24 | 电动式工程机械 |
US13/513,894 US8631890B2 (en) | 2010-06-15 | 2011-05-24 | Electric construction machine |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010-136361 | 2010-06-15 | ||
JP2010136361A JP5172898B2 (ja) | 2010-06-15 | 2010-06-15 | 電動式建設機械 |
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Publication Number | Publication Date |
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WO2011158618A1 true WO2011158618A1 (ja) | 2011-12-22 |
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ID=45348027
Family Applications (1)
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PCT/JP2011/061905 WO2011158618A1 (ja) | 2010-06-15 | 2011-05-24 | 電動式建設機械 |
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US (1) | US8631890B2 (ja) |
EP (1) | EP2584100B1 (ja) |
JP (1) | JP5172898B2 (ja) |
KR (1) | KR101827583B1 (ja) |
CN (1) | CN102713084B (ja) |
WO (1) | WO2011158618A1 (ja) |
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Publication number | Priority date | Publication date | Assignee | Title |
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JP2012102502A (ja) * | 2010-11-09 | 2012-05-31 | Hitachi Constr Mach Co Ltd | 電動式建設機械 |
EP2685062A1 (en) * | 2012-07-13 | 2014-01-15 | Deere & Company | Multi-functional cooling system |
US8875823B2 (en) | 2012-07-13 | 2014-11-04 | Deere & Company | Multi-functional cooling system |
EP2883730A4 (en) * | 2012-08-13 | 2015-08-26 | Toyota Jidoshokki Kk | INDUSTRIAL VEHICLE |
US9511984B2 (en) | 2012-08-13 | 2016-12-06 | Kabushiki Kaisha Toyota Jidoshokki | Industrial vehicle |
KR101565780B1 (ko) * | 2013-09-16 | 2015-11-05 | 엘에스엠트론 주식회사 | 하이브리드 트랙터의 배터리 시스템 및 이를 이용한 하이브리드 트랙터 |
JP2016138403A (ja) * | 2015-01-28 | 2016-08-04 | 日立建機株式会社 | 建設機械 |
WO2021178441A3 (en) * | 2020-03-02 | 2021-11-04 | Clark Equipment Company | Electrically powered power machine |
Also Published As
Publication number | Publication date |
---|---|
EP2584100A1 (en) | 2013-04-24 |
EP2584100A4 (en) | 2016-09-28 |
US20130075171A1 (en) | 2013-03-28 |
EP2584100B1 (en) | 2018-10-31 |
US8631890B2 (en) | 2014-01-21 |
JP5172898B2 (ja) | 2013-03-27 |
CN102713084B (zh) | 2016-03-23 |
JP2012001933A (ja) | 2012-01-05 |
KR20130095625A (ko) | 2013-08-28 |
KR101827583B1 (ko) | 2018-02-08 |
CN102713084A (zh) | 2012-10-03 |
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