JPH08142688A - Upper part slewing superstructure of construction equipment - Google Patents

Upper part slewing superstructure of construction equipment

Info

Publication number
JPH08142688A
JPH08142688A JP6291370A JP29137094A JPH08142688A JP H08142688 A JPH08142688 A JP H08142688A JP 6291370 A JP6291370 A JP 6291370A JP 29137094 A JP29137094 A JP 29137094A JP H08142688 A JPH08142688 A JP H08142688A
Authority
JP
Japan
Prior art keywords
radiator
machine room
air
engine
cooling fan
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP6291370A
Other languages
Japanese (ja)
Inventor
Yuichi Sakamoto
祐一 坂本
Ichiro Hirami
一郎 平見
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Construction Machinery Co Ltd
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 JP6291370A priority Critical patent/JPH08142688A/en
Publication of JPH08142688A publication Critical patent/JPH08142688A/en
Pending legal-status Critical Current

Links

Landscapes

  • Component Parts Of Construction Machinery (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)

Abstract

PURPOSE: To provide an upper part slewing superstructure of construction equipment capable of providing sufficient air capacity to a radiator by making a flow of air in a machine room straight without changing a position of a battery. CONSTITUTION: A cooling fan 8 to cool an engine 5 and a radiator 9 are arranged on the side of an inflow port 6 in a machine room 4, a battery 10 is arranged on the side of the inflow port 6, a cover 11 is provided on an upper part of the battery 10, and a duct 12 formed in a streamline shape to guide air taken in from the inflow port 6 to the cooling fan 8 and the radiator is installed between an end part of this cover 11 and an opening edge wall part of the inflow port 6 on the opposite side of the radiator 9. Consequently, air flown in from the inflow port 6 to the inside of the machine room 4 is guided to the duct 12, passes the radiator by suction force by the cooling fan 8, passes the circumference of the engine 5 and is discharged to the outside through an outflow port 7, and accordingly, air is straightened and air capacity sufficient for cooling is led to the radiator 9.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明は、油圧ショベル、クレー
ンなどの建設機械の上部旋回体に係り、特に上部旋回体
の機械室に配置されるバッテリのカバーに関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an upper swing body of a construction machine such as a hydraulic excavator and a crane, and more particularly to a battery cover arranged in a machine room of the upper swing body.

【0002】[0002]

【従来の技術】建設機械の上部旋回体の構造としては、
たとえば実開平6−30250号に示されている油圧シ
ョベルの構造が知られている。この構造は、下部走行体
の上部には旋回可能に上部旋回体が載置されており、そ
の上部旋回体の前部には、ブーム、アーム、バケット及
びそれらを駆動する各シリンダーからなる作業機構部が
備えられている。そして、上部旋回体の後部には、エン
ジンを設置した機械室が設けられており、その機械室に
はエンジンを挟んで上面側の適宜離れた位置に空気を流
入・排出するための流入口と流出口が形成されている。
前記機械室におけるエンジンより空気の流入口側の位置
には、前記エンジンを冷却する冷却ファン及びラジエー
タと、駆動制御系の各電気及び電子機器に対する電源と
なるバッテリが配置されている。なお、前記の流入口・
流出口が機械室の上面側に形成されている理由は、作業
中にエンジンや油圧機器などから発生する騒音が、直接
周囲にも伝われることにより、騒音量が大きくなるのを
防ぐために成されている。また、バッテリの位置は、機
械室の限られた床面積に各種機器類を効率よく配置させ
ること、及び雨水や枯れ葉などが直接かかるのを防ぐこ
とから、設定されている。
2. Description of the Related Art As a structure of an upper swing body of a construction machine,
For example, the structure of the hydraulic excavator shown in Japanese Utility Model Laid-Open No. 6-30250 is known. In this structure, an upper revolving structure is rotatably mounted on an upper part of a lower traveling structure, and a work mechanism including a boom, an arm, a bucket, and cylinders for driving them is provided in a front portion of the upper revolving structure. Parts are provided. A machine room in which an engine is installed is provided at the rear of the upper revolving structure, and the machine room is provided with an inlet for inflowing and exhausting air at a position on the upper surface side that is appropriately separated with the engine interposed therebetween. An outlet is formed.
A cooling fan and a radiator for cooling the engine and a battery as a power source for each electric and electronic device of the drive control system are arranged at a position on the air inlet side of the engine in the machine room. In addition, the above-mentioned inlet
The reason why the outlet is formed on the upper surface side of the machine room is to prevent the noise generated from the engine and hydraulic equipment during work from being directly transmitted to the surroundings, which prevents the noise from increasing. ing. In addition, the position of the battery is set in order to efficiently arrange various devices on the limited floor area of the machine room and to prevent rainwater, dead leaves, and the like from being directly applied.

【0003】[0003]

【発明が解決しようとする課題】ところで、バッテリの
位置が機械室の空気の流入口側に位置していることか
ら、流入口から流入した空気がラジエータに至るまでの
間の流路において、整流されないため、冷却のための充
分な風量を得ることができない。ラジエータの熱通過率
は、図3に示すように、通過風量が大きいほど高くなる
ことから、空気の流れを整流することが非常に重要とな
っている。
By the way, since the position of the battery is located on the air inlet side of the machine room, air is rectified in the flow passage from the air inlet to the radiator. Therefore, it is not possible to obtain a sufficient amount of air for cooling. As shown in FIG. 3, the heat passage rate of the radiator becomes higher as the passing air volume increases, so it is very important to rectify the air flow.

【0004】本発明は、上記の事情に鑑み成されたもの
で、バッテリの位置を変更しないままで、機械室内の空
気の流れを整流にさせることで、ラジエータへの充分な
風量を得ることができる建設機械の上部旋回体を提供す
ることを目的としている。
The present invention has been made in view of the above circumstances, and it is possible to obtain a sufficient air volume to the radiator by rectifying the air flow in the machine room without changing the position of the battery. It is intended to provide an upper swing body of a construction machine that can be used.

【0005】[0005]

【課題を解決するための手段】本発明は上記の目的を達
成するために、請求項1では、下部走行体に対して旋回
可能に載置された上部旋回体と、該上部旋回体に設けら
れ、空気の流入口と流出口が形成された機械室と、前記
流入口と流出口との間に位置して機械室内に設置された
エンジンと、前記機械室の流入側に位置して機械室内に
設置され、前記エンジンを冷却する冷却ファン及びラジ
エータと、前記機械室の冷却ファン及びラジエータより
もさらに流入側に位置して機械室内に配置され、駆動制
御系の各電気及び電子機器に対する電源となるバッテリ
とからなる建設機械の上部旋回体において、前記バッテ
リの上方側に空気を前記流入口から前記冷却ファン及び
ラジエータへ案内するために流線形に形成したダクトを
取り付けたことを特徴としている。
In order to achieve the above object, the present invention provides, in claim 1, an upper revolving structure which is mounted so as to be revolvable with respect to a lower traveling structure, and is provided on the upper revolving structure. And a machine room having an air inlet and an air outlet formed therein, an engine installed in the machine room located between the air inlet and the air outlet, and a machine located on the inflow side of the machine room. A cooling fan and a radiator that are installed indoors and cool the engine, and a power supply for each electric and electronic device of the drive control system that is located in the machine room further on the inflow side than the cooling fan and the radiator in the machine room. In the upper revolving structure of the construction machine including the battery, the duct having a streamline shape is installed above the battery to guide the air from the inlet to the cooling fan and the radiator. It is a symptom.

【0006】請求項2では、下部走行体に対して旋回可
能に載置された上部旋回体と、該上部旋回体に設けら
れ、空気の流入口と流出口が形成された機械室と、前記
流入口と流出口との間に位置して機械室内に設置された
エンジンと、前記機械室の流入側に位置して機械室内に
設置され、前記エンジンを冷却する冷却ファン及びラジ
エータと、前記機械室の冷却ファン及びラジエータより
もさらに流入側に位置して機械室内に配置され、駆動制
御系の各電気及び電子機器に対する電源となるバッテリ
とからなる建設機械の上部旋回体において、前記バッテ
リの上部にカバーを設け、該カバーに空気を前記流入口
から前記冷却ファン及びラジエータへ案内するために流
線形に形成したダクトを取り付けたことを特徴としてい
る。
According to a second aspect of the present invention, there is provided an upper revolving structure which is rotatably mounted on the lower traveling structure, a machine room which is provided in the upper revolving structure and which has an air inlet and an air outlet. An engine installed between the inflow port and the outflow port in the machine room, a cooling fan and a radiator installed in the machine room located on the inflow side of the machine room for cooling the engine, and the machine. In the upper revolving structure of the construction machine, which is located on the inflow side further than the room cooling fan and radiator and is arranged in the machine room, and which is a battery that serves as a power source for each electric and electronic device of the drive control system, the upper part of the battery. Is provided with a cover, and a duct formed in a streamline shape is attached to the cover to guide air from the inflow port to the cooling fan and the radiator.

【0007】[0007]

【作用】上記の請求項1及び請求項2の構成により、流
入口より機械室内へ流入した空気は、流線形に形成され
たダクトに案内されて、冷却ファン及びラジエータまで
導かれるため、空気の流路における障害物がないので、
空気は整流されて、ラジエータへの充分な風量を得るこ
とができる。
According to the above-mentioned constitutions of claims 1 and 2, the air flowing into the machine chamber from the inlet is guided to the cooling fan and the radiator by being guided by the duct formed in a streamline shape, and thus the Since there are no obstacles in the flow path,
The air can be rectified to obtain a sufficient air volume to the radiator.

【0008】[0008]

【実施例】本発明の建設機械の上部旋回体の一実施例
を、図1及び図2に基づいて説明する。図1は図2に示
されている油圧ショベルの後部の構成を示しており、図
2のA−A断面図である。1は下部走行体、2は下部走
行体1に対して旋回可能に載置された上部旋回体、3は
上部旋回体2の前部に備えられた作業機構部である。4
は機械室であり、該機械室には、エンジン5がほぼ中央
に設置されており、そのエンジン5を挟んで上面側壁の
適宜離れた位置に空気を流入・排出するための複数の穴
からなる流入口6と流出口7が形成されている。前記機
械室4におけるエンジン5より流入口6側の位置には、
エンジン5を冷却するための冷却ファン8及びラジエー
タ9が配置されているとともに、そのさらに流入口6側
に図示していない駆動制御系の各電気及び電子機器に対
する電源となるバッテリ10が配置されている。バッテ
リ10の上部には、該バッテリを雨水や枯れ葉などから
保護するためのカバー11が設けられており、このカバ
ー11のラジエータ9側端部と流入口6の反ラジエータ
9側の開口縁壁部との間に、流入口6から吸入された空
気を前記冷却ファン8及びラジエータ9へ案内するため
に流線形に形成されたダクト12を取り付けている。1
3a及び13bはエンジン5と図示していないウォータ
ジャケットとを接続する給排水管である。
DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the upper swing body of the construction machine of the present invention will be described with reference to FIGS. 1 shows the configuration of the rear part of the hydraulic excavator shown in FIG. 2, and is a cross-sectional view taken along the line AA of FIG. Reference numeral 1 is a lower traveling body, 2 is an upper revolving body mounted so as to be rotatable with respect to the lower traveling body 1, and 3 is a working mechanism portion provided at a front portion of the upper revolving body 2. Four
Is a machine room, in which the engine 5 is installed substantially in the center, and is composed of a plurality of holes for letting air in and out at appropriately spaced positions on the upper side wall with the engine 5 sandwiched therebetween. An inflow port 6 and an outflow port 7 are formed. At the position on the inlet 6 side of the engine 5 in the machine room 4,
A cooling fan 8 and a radiator 9 for cooling the engine 5 are arranged, and a battery 10 serving as a power source for each electric and electronic device of a drive control system (not shown) is further arranged on the inlet 6 side thereof. There is. A cover 11 for protecting the battery from rainwater, dead leaves and the like is provided on the upper portion of the battery 10. The radiator 9 end portion of the cover 11 and the opening edge wall portion of the inflow port 6 on the side opposite to the radiator 9 are provided. A duct 12 formed in a streamline shape is installed between and to guide the air sucked from the inflow port 6 to the cooling fan 8 and the radiator 9. 1
3a and 13b are water supply / drainage pipes that connect the engine 5 and a water jacket (not shown).

【0009】上記のように構成することで、流入口6よ
り機械室4内へ流入した空気は、流線形に形成されたダ
クト12に案内されて、冷却ファン8による吸い込み力
によってラジエータ9を通り、エンジン5の周囲を通
り、流出口7を経て外部へ排出される。この時、流入口
6からラジエータ9に至るまでの空気の流路における障
害物がないので、空気は整流される。よって、ラジエー
タ9へは充分な風量が導かれるので、ラジエータ9,エ
ンジン5を含む各所を充分に冷却することができる。
With the above construction, the air flowing into the machine room 4 through the inlet 6 is guided by the duct 12 formed in a streamline shape, and passes through the radiator 9 by the suction force of the cooling fan 8. , Passes through the periphery of the engine 5, and is discharged to the outside through the outlet 7. At this time, since there is no obstacle in the air flow path from the inflow port 6 to the radiator 9, the air is rectified. Therefore, a sufficient amount of air is introduced to the radiator 9, so that the radiator 9 and various parts including the engine 5 can be sufficiently cooled.

【0010】なお、上記のカバー11を介さず、バッテ
リ10上に直接ダクトを配置させても同様な作用・効果
が得られる。
Even if the duct is arranged directly on the battery 10 without using the cover 11, the same action and effect can be obtained.

【0011】[0011]

【発明の効果】以上説明した本発明の建設機械の上部旋
回体によれば、バッテリの位置を変更しないままで、流
入口から吸入された機械室内の空気の流れを整流にさせ
ることができるため、ラジエータへの充分な風量を得る
ことができ、これによりラジエータの通過風量を大きく
することで、熱通過率を図3から分かるように向上させ
ることができる。
As described above, according to the upper swing body of the construction machine of the present invention described above, it is possible to rectify the air flow in the machine chamber sucked from the inlet without changing the position of the battery. As a result, it is possible to obtain a sufficient air flow rate to the radiator, and by increasing the air flow rate passing through the radiator, it is possible to improve the heat transfer rate as can be seen from FIG.

【図面の簡単な説明】[Brief description of drawings]

【図1】本発明に関する建設機械の上部旋回体を示す断
面図である。
FIG. 1 is a cross-sectional view showing an upper swing body of a construction machine according to the present invention.

【図2】油圧ショベルの側面を示す側面図である。FIG. 2 is a side view showing a side surface of the hydraulic excavator.

【図3】ラジエータ通過風量に対する熱通過率を示すグ
ラフ説明図である。
FIG. 3 is a graph explanatory view showing a heat passage rate with respect to a radiator passing air volume.

【符号の説明】[Explanation of symbols]

1 下部走行体 2 上部旋回体 4 機械室 5 エンジン 6 流入口 7 流出口 8 冷却ファン 9 ラジエータ 10 バッテリ 11 カバー 12 ダクト 1 Lower Traveling Body 2 Upper Revolving Body 4 Machine Room 5 Engine 6 Inlet 7 Outlet 8 Cooling Fan 9 Radiator 10 Battery 11 Cover 12 Duct

Claims (2)

【特許請求の範囲】[Claims] 【請求項1】 下部走行体に対して旋回可能に載置され
た上部旋回体と、該上部旋回体に設けられ、空気の流入
口と流出口が形成された機械室と、前記流入口と流出口
との間に位置して機械室内に設置されたエンジンと、前
記機械室の流入側に位置して機械室内に設置され、前記
エンジンを冷却する冷却ファン及びラジエータと、前記
機械室の冷却ファン及びラジエータよりもさらに流入側
に位置して機械室内に配置され、駆動制御系の各電気及
び電子機器に対する電源となるバッテリとからなる建設
機械の上部旋回体において、前記バッテリの上方側に空
気を前記流入口から前記冷却ファン及びラジエータへ案
内するために流線形に形成したダクトを取り付けたこと
を特徴とする建設機械の上部旋回体。
1. An upper revolving structure rotatably mounted on a lower traveling structure, a machine room provided in the upper revolving structure and having an air inlet and an air outlet, and the inflow port. An engine installed between the outflow port and the machine room, a cooling fan and a radiator installed in the machine room located on the inflow side of the machine room for cooling the engine, and a cooling of the machine room In the upper revolving structure of the construction machine, which is located on the inflow side further than the fan and the radiator, is arranged in the machine room, and is a power source for the electric and electronic devices of the drive control system. An upper revolving structure for a construction machine, wherein a duct formed in a streamline shape is attached to guide the air from the inflow port to the cooling fan and the radiator.
【請求項2】 下部走行体に対して旋回可能に載置され
た上部旋回体と、該上部旋回体に設けられ、空気の流入
口と流出口が形成された機械室と、前記流入口ち流出口
との間に位置して機械室内に設置されたエンジンと、前
記機械室の流入側に位置して機械室内に設置され、前記
エンジンを冷却する冷却ファン及びラジエータと、前記
機械室の冷却ファン及びラジエータよりもさらに流入側
に位置して機械室内に配置され、駆動制御系の各電気及
び電子機器に対する電源となるバッテリとからなる建設
機械の上部旋回体において、前記バッテリの上部にカバ
ーを設け、該カバーに空気を前記流入口から前記冷却フ
ァン及びラジエータへ案内するために流線形に形成した
ダクトを取り付けたことを特徴とする建設機械の上部旋
回体。
2. An upper revolving structure rotatably mounted on a lower traveling structure, a machine room provided in the upper revolving structure and having an air inlet and an air outlet, and the inlet chamber. An engine installed between the outflow port and the machine room, a cooling fan and a radiator installed in the machine room located on the inflow side of the machine room for cooling the engine, and a cooling of the machine room In the upper revolving structure of the construction machine, which is located on the inflow side further than the fan and the radiator and is arranged in the machine room, and which is a battery serving as a power source for each electric and electronic device of the drive control system, a cover is provided on the upper part of the battery. An upper revolving structure for a construction machine, wherein a duct formed in a streamline shape is provided on the cover to guide air from the inflow port to the cooling fan and the radiator.
JP6291370A 1994-11-25 1994-11-25 Upper part slewing superstructure of construction equipment Pending JPH08142688A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6291370A JPH08142688A (en) 1994-11-25 1994-11-25 Upper part slewing superstructure of construction equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6291370A JPH08142688A (en) 1994-11-25 1994-11-25 Upper part slewing superstructure of construction equipment

Publications (1)

Publication Number Publication Date
JPH08142688A true JPH08142688A (en) 1996-06-04

Family

ID=17768045

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6291370A Pending JPH08142688A (en) 1994-11-25 1994-11-25 Upper part slewing superstructure of construction equipment

Country Status (1)

Country Link
JP (1) JPH08142688A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0814206A1 (en) * 1996-06-19 1997-12-29 KABUSHIKI KAISHA KOBE SEIKO SHO also known as Kobe Steel Ltd. Battery-driven hydraulic excavator
JP2009056859A (en) * 2007-08-30 2009-03-19 Kobelco Contstruction Machinery Ltd Construction machine
JP2015140156A (en) * 2014-01-30 2015-08-03 コベルコ建機株式会社 Electrical unit cooling structure of construction machine

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5458532U (en) * 1977-09-30 1979-04-23
JPS54169638U (en) * 1978-05-20 1979-11-30
JPS5775061U (en) * 1980-10-21 1982-05-10
JPS57133450U (en) * 1981-02-16 1982-08-19
JPS608743U (en) * 1983-06-28 1985-01-22 日立建機株式会社 construction machinery
JPS61103223U (en) * 1984-12-12 1986-07-01
JPH0268214U (en) * 1988-11-12 1990-05-23
JPH0368524U (en) * 1989-11-02 1991-07-05
JPH06227267A (en) * 1993-02-05 1994-08-16 Hitachi Constr Mach Co Ltd Construction machine
JPH0742384U (en) * 1993-12-28 1995-08-04 新キャタピラー三菱株式会社 Battery cooling device for work equipment

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5458532U (en) * 1977-09-30 1979-04-23
JPS54169638U (en) * 1978-05-20 1979-11-30
JPS5775061U (en) * 1980-10-21 1982-05-10
JPS57133450U (en) * 1981-02-16 1982-08-19
JPS608743U (en) * 1983-06-28 1985-01-22 日立建機株式会社 construction machinery
JPS61103223U (en) * 1984-12-12 1986-07-01
JPH0268214U (en) * 1988-11-12 1990-05-23
JPH0368524U (en) * 1989-11-02 1991-07-05
JPH06227267A (en) * 1993-02-05 1994-08-16 Hitachi Constr Mach Co Ltd Construction machine
JPH0742384U (en) * 1993-12-28 1995-08-04 新キャタピラー三菱株式会社 Battery cooling device for work equipment

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0814206A1 (en) * 1996-06-19 1997-12-29 KABUSHIKI KAISHA KOBE SEIKO SHO also known as Kobe Steel Ltd. Battery-driven hydraulic excavator
JP2009056859A (en) * 2007-08-30 2009-03-19 Kobelco Contstruction Machinery Ltd Construction machine
JP2015140156A (en) * 2014-01-30 2015-08-03 コベルコ建機株式会社 Electrical unit cooling structure of construction machine

Similar Documents

Publication Publication Date Title
US8006991B2 (en) Construction machine
US6431299B1 (en) Cooling air ducting for excavator
JPH08142688A (en) Upper part slewing superstructure of construction equipment
JP2014122496A (en) Work machine
JP2002192960A (en) Engine hood for construction machine
JP4075532B2 (en) Construction machinery
JPH07127097A (en) Construction machine
JPH11254976A (en) Noise reducing device for construction machine and cover and exhaust part used for this device
JP2000303496A (en) Construction machinery
JPH0241054Y2 (en)
JP2548492Y2 (en) Engine cooling system
JP2850077B2 (en) Construction machinery
JP4384776B2 (en) Engine room cooling structure
JP2020157895A (en) Work vehicle
JP3750774B2 (en) Engine room air intake device for construction machinery
JPH041412A (en) Cooling structure of working vehicle
JPH0748977Y2 (en) Cooling equipment for construction machinery
WO2006013628A1 (en) Slewing type working machine
JPS5911782Y2 (en) Noise reduction device for work vehicles
JPH06227267A (en) Construction machine
JP2000120438A (en) Construction machine
JP3761426B2 (en) Construction machinery
JPH08200065A (en) Cooling device of small shovel
JPH11158916A (en) Cooler of construction machine
JPH0738651Y2 (en) Engine cooling air intake structure for power work equipment

Legal Events

Date Code Title Description
A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20040525