WO2013179755A1 - 建設機械 - Google Patents
建設機械 Download PDFInfo
- Publication number
- WO2013179755A1 WO2013179755A1 PCT/JP2013/059361 JP2013059361W WO2013179755A1 WO 2013179755 A1 WO2013179755 A1 WO 2013179755A1 JP 2013059361 W JP2013059361 W JP 2013059361W WO 2013179755 A1 WO2013179755 A1 WO 2013179755A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- construction machine
- step member
- building cover
- driver
- recess
- 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
- E02F9/08—Superstructures; Supports for superstructures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R3/00—Arrangements of steps or ladders facilitating access to or on the vehicle, e.g. running-boards
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D33/00—Superstructures for load-carrying vehicles
- B62D33/06—Drivers' cabs
- B62D33/0617—Drivers' cabs for tractors or off-the-road vehicles
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/08—Superstructures; Supports for superstructures
- E02F9/0833—Improving access, e.g. for maintenance, steps for improving driver's access, handrails
-
- 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
- E02F9/0875—Arrangement of valve arrangements on 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
- E02F9/0891—Lids or bonnets or doors or details thereof
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/16—Cabins, platforms, or the like, for drivers
-
- 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
- E02F9/26—Indicating devices
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
Definitions
- the present invention relates to a construction machine such as a hydraulic excavator provided with a step and a building cover on the side of a driver's seat.
- FIG. 4 is a side view showing a wheel excavator constituting a hydraulic excavator cited as an example of a construction machine.
- the wheel excavator shown in FIG. 4 includes a traveling body 1, a revolving body 2 disposed on the traveling body 1, and a work device 3 attached to the revolving body 2 so as to be rotatable in the vertical direction. .
- the traveling body 1 and the revolving body 2 constitute a vehicle body.
- the work device 3 includes a boom 4 attached to the revolving structure 2, an arm 5 attached to the tip of the boom 4, and a bucket 6 attached to the tip of the arm 5.
- the working device 3 includes a boom cylinder 4 a that drives the boom 4, an arm cylinder 5 a that drives the arm 5, and a bucket cylinder 6 a that drives the bucket 6.
- a driver's cab 7 in which a driver's seat is arranged is provided on the turning frame 2a of the revolving structure 2, and a counterweight 8 for ensuring a weight balance is provided at a rear position.
- the working device 3 described above is arranged on the side of the cab 7, that is, on the right side.
- a step 11 including a plurality of step members that allows the worker to step up and down on the swing body 2 is disposed on the right side of the step 11.
- a building cover 9 is disposed on the right side of the step 11.
- a control valve that controls the actuator for example, the boom cylinder 4 a and the arm cylinder 5 a, is housed in a housing space formed by the step 11 and the building cover 9.
- the present invention has been made from the actual situation in the above-described prior art, and an object of the present invention is to provide a construction machine that can realize good visibility of an operator sitting in a driver's seat.
- the present invention provides a vehicle body, a working device attached to the vehicle body, a driver seat provided on the vehicle body, a stepping pedal disposed on the side of the driver seat and including a plurality of step members.
- a construction machine comprising a step and a building cover disposed on the opposite side of the step where the driver's seat is provided, the building cover facing the space formed between the plurality of step members It is characterized in that a concave portion is formed in this portion.
- the operator sitting in the driver's seat can see the outside of the building cover through the space formed between the step members and the recessed portion of the building cover corresponding to the space. That is, according to the present invention, it is possible to secure a good field of view of an operator sitting in the driver's seat.
- the present invention is characterized in that, in the above invention, the concave portion is formed at the time of press processing for manufacturing the building cover, and is formed of a concave portion having an arc shape in a side view.
- the concave portion is also formed at the time of press processing for manufacturing the building cover, the number of steps for forming the concave portion can be reduced.
- the present invention is the above invention, wherein the step includes a plate to which the plurality of step members are attached, and the plurality of step members includes an upper step member disposed at an upper position and a position immediately above the upper step member.
- a lower step member disposed at a lower position, and the recess has an upper end positioned on a substantially lower surface of the upper step member and a lower end positioned on a substantially upper surface of the lower step member.
- the concave portion is formed so that the most concave portion of the concave portion is as close to the plate as possible.
- the present invention configured as described above can secure a large open space formed by the recess in the building cover, and can realize better visibility of the operator sitting in the driver's seat.
- the present invention is characterized in that, in the above invention, a plurality of the concave portions are formed along the extending direction of the steps. According to the present invention configured as described above, by forming a plurality of recesses, it is possible to secure a large area for ensuring the visibility of the operator sitting in the driver's seat along the extending direction of the step, and further to the operator sitting in the driver's seat. It is possible to achieve good visibility.
- the present invention is the above invention, wherein the construction machine has a driver's cab in which the driver's seat is arranged on the left side of the vehicle body toward the front, and has the work device on the right side of the driver's cab, Having the step on the right side of the working device, the building cover on the right side of the step, and controlling the flow of pressure oil to the actuator in the storage space formed by the step and the building cover It consists of a hydraulic excavator that houses a control valve.
- the present invention configured as described above can ensure good visibility on the right side of the operator sitting in the driver's seat in the driver's cab.
- the present invention can realize a good visibility of an operator sitting in a driver's seat, which has been conventionally required, and can improve the workability of the construction machine and the safety of the work as compared with the prior art. it can.
- FIG. 1 is a side view of an essential part showing an embodiment of the present invention
- FIG. 2 is a perspective view of an essential part showing the embodiment
- FIG. 3 is a view of a step provided in the embodiment and a recess formed in a building cover. It is an enlarged side view which shows installation relationship.
- the construction machine according to the present embodiment is, for example, a wheel excavator constituting a hydraulic excavator.
- the basic configuration of the wheel excavator according to the present embodiment is the same as that shown in FIG. 4 described above, for example.
- the present embodiment is different from that shown in FIG. 4 in the portion related to the building cover. Therefore, the following description will be made using the reference numerals and names of the wheel excavator shown in FIG. 4 as necessary.
- the wheel excavator includes the traveling body 1 and the revolving body 2 constituting the vehicle body, and the cab 7 on the revolving frame 2 as described in FIG.
- a working device 3 including a boom, an arm 5 and the like is disposed on the right side of the cab 7.
- the work device 3 is removed.
- the boom 4 is connected to the bracket 15 so as to be rotatable in the vertical direction
- the boom cylinder 4a is connected to the bracket 16 so as to be rotatable in the vertical direction.
- a step 11 is provided on the right side of the work device 3 attached to the revolving structure 2 via the brackets 15 and 16, and a building cover 13 is disposed on the right side of the step 11.
- a driver's seat is installed on a pedestal 14 disposed in the cab 7.
- the step 11 includes a plurality of step members and a plate to which the plurality of step members are attached. That is, as shown in FIGS. 2 and 3, the step member 11 includes, for example, a first plate 20 disposed on the lower side, and a second plate 21 fixed to the first plate 20 with bolts, and a first plate 20. The first step member 22, the second step member 23, and the third step member 24 are provided.
- the first plate 20 includes a lower flat plate portion 20a fixed to a member provided on the revolving frame 2a, an upright portion 20b formed by bending from the lower flat plate portion 20a, and the upright arrangement.
- An inclined portion 20c formed by bending from the portion 20b and an upper flat plate portion 20d formed by bending from the inclined portion 20c are provided.
- the second plate 21 is placed on, for example, the upper flat plate portion 20d of the first plate 20, and is fixed to the upper flat plate portion 20d with bolts, and an inclined portion formed by bending from the lower flat plate portion 21a. 21b and an upper flat plate portion 21c that is bent from the inclined portion 21b and is fixed to a member provided on the turning frame 2a.
- the first step member 22 is fixed to the lower flat plate portion 20 a of the first plate 20.
- the second step member 23 is fixed to the inclined portion 20c of the first plate 20 by welding so that the upper surface 23a thereof is flush with the lower flat plate portion 21a of the second plate 21.
- the third step member 24 is fixed to the inclined portion 21b of the second plate 21 by welding so that the upper surface 24a thereof is flush with the upper flat plate portion 21c of the second plate 21.
- Each of the depth dimensions S3 including the upper flat plate portion 21c of the second plate 21 is set to a predetermined standard dimension or more. Further, by providing the first plate 20, the second plate 21, the first step member 22, the second step member 23, and the third step member 24 in this way, the second step member 23 and the third step member 24 are provided.
- a space 25 is formed between the first step member 22 and the second step member 23, and a space 26 is formed between the first step member 22 and the second step member 23.
- a control valve 12 for controlling actuators such as a boom cylinder 4a and an arm cylinder 5a is housed in a housing space formed by the step 11 and the building cover 13.
- a plurality of recesses are formed in the building cover 13 facing each of the space portions 25 and 26, for example, along the extending direction of the step 11. That is, as shown in FIGS. 2 and 3, an upper recess 13 a is formed at the edge of the building cover 13 so as to face the space 25, and a lower recess is formed at the edge of the building cover 13 so as to face the space 26. 13b is formed.
- the upper recess 13 a has an upper end positioned substantially on the lower surface 24 b of the third step member 24 that forms an upper step member disposed at an upper position with respect to the second step member 23.
- the lower end thereof is positioned on the substantially upper surface 23a of the second step member 23 that forms the lower step member disposed immediately below the third step member 24, and the upper concave portion in the side view shown in FIG.
- the upper concave portion 13a is formed so that the most concave portion 13a1 of 13a is as close as possible to the inclined portion 21b of the second plate 21 in terms of manufacturing.
- the substantially lower surface 24b of the third step member 24 described above includes the lower surface 24b and the vicinity of the lower surface 24b.
- the substantially upper surface 23a of the second step member 23 described above includes the upper surface 23a and a portion near the upper surface 23a.
- the lower recess 13a has an upper end positioned substantially on the lower surface 23b of the second step member 23 that forms an upper step member disposed at an upper position with respect to the first step member 22, and a lower end thereof. It is located on the substantially upper surface 22a of the first step member 22 that forms the lower step member disposed immediately below the second step member 23, and is the most recessed in the lower recess 13b in a side view shown in FIG.
- the lower concave portion 13b is formed so that the portion 13b1 is as close as possible to the standing portion 20b of the first plate 20 in terms of manufacturing.
- the substantially lower surface 23b of the second step member 23 described above includes the lower surface 23b and the vicinity of the lower surface 23b.
- the substantially upper surface 22a of the first step member 22 described above includes the upper surface 22a and the vicinity of the upper surface 22a.
- an operator sitting on a driver's seat (not shown) installed on the pedestal 14 of the operator's cab 7 shown in FIG. 2 is interposed between the second step member 23 and the third step member 24.
- the right side of the building cover 13 can be seen through the lower concave portion 13b of the building cover 13 formed corresponding to the space portion 26. That is, according to the present embodiment, it is possible to realize a good right-side view of the operator sitting in the driver's seat. Thereby, this embodiment can improve the workability
- this embodiment can reduce the man-hour which forms the upper recessed part 13a and the lower recessed part 13b, and can suppress the increase in manufacturing cost. .
- this embodiment is provided with the upper recessed part 13a formed along the space part 25 as much as possible on manufacture, and the lower recessed part 13b formed along the space part 26 as much as possible on manufacture, it is a building.
- a large open space formed by the concave portion in the cover 13 can be secured, and better visibility of the operator sitting in the driver's seat can be realized.
- the building cover 13 is formed with a plurality of recesses, that is, an upper recess 13a and a lower recess 13b, so that an area for ensuring visibility of the operator sitting in the driver's seat is along the extending direction of the step 11 It is possible to secure a better view of the operator sitting in the driver's seat.
- the construction machine which concerns on the said embodiment is comprised with the wheel excavator
- this invention is not limited to a wheel excavator.
- the present invention can also be applied to a crawler hydraulic excavator.
- a construction machine different from the hydraulic excavator has a step including a plurality of step members on the side of the driver's seat, but is disposed on the opposite side of the step where the driver's seat is provided.
- the present invention can be applied to any construction machine having a building cover.
- the side view is a side view of the step instead of the arc-shaped upper recess 13a and lower recess 13b as in the above embodiment. It is also possible to form a recess that substantially matches the view. With such a configuration, it is possible to achieve better visibility of the operator sitting in the driver's seat than in the above embodiment.
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
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- Combustion & Propulsion (AREA)
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Abstract
Description
3 作業装置
7 運転室
9 建屋カバー
11 踏み段
12 コントロールバルブ
13 建屋カバー
13a 上部凹部
13a1 部分
13b 下部凹部
13b1 部分
14 台座
20 第1プレート
20a 下部平板部
20b 立設部
20c 傾斜部
20d 上部平板部
21 第2プレート
21a 下部平板部
21b 傾斜部
21c 上部平板部
22 第1ステップ部材
22a 上面
23 第2ステップ部材
23a 上面
23b 下面
24 第3ステップ部材
24a 上面
24b 下面
25 空間部
26 空間部
Claims (5)
- 車体と、この車体に取り付けられる作業装置と、車体上に設けられる運転席と、この運転席の側方に配置され、複数のステップ部材を含む踏み段と、この踏み段の上記運転席が設けられる側とは反対側に配置される建屋カバーとを備えた建設機械において、
上記複数のステップ部材間に形成される空間部に対向する上記建屋カバーの部分に凹部を形成したことを特徴とする建設機械。 - 請求項1に記載の建設機械において、
上記凹部は、上記建屋カバーを製作するプレス加工時に形成され、側面視が円弧状の凹部から成ることを特徴とする建設機械。 - 請求項2に記載の建設機械において、
上記踏み段は、上記複数のステップ部材が取り付けられるプレートを含み、
上記複数のステップ部材は、上部位置に配置される上側ステップ部材と、この上側ステップ部材の直ぐ下側位置に配置される下側ステップ部材とを含み、
上記凹部は、その上端が上記上側ステップ部材の略下面に位置し、その下端が上記下側ステップ部材の略上面に位置するとともに、側面視で、上記凹部の最も凹んだ部分が上記プレートに可能な限り接近するように上記凹部を形成したことを特徴とする建設機械。 - 請求項3に記載の建設機械において、
上記凹部を上記踏み段の延設方向に沿って複数形成したことを特徴とする建設機械。 - 請求項1~4のいずれか1項に記載の建設機械において、
当該建設機械は、前方に向かって上記車体の左側に上記運転席が配置される運転室を有し、この運転室の右側に上記作業装置を有し、この作業装置の右側に上記踏み段を有し、この踏み段の右側に上記建屋カバーを有し、上記踏み段と上記建屋カバーとによって形成される収納空間に、アクチュエータへの圧油の流れを制御するコントロールバルブを収納した油圧ショベルから成ることを特徴とする建設機械。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201380027567.1A CN104334804B (zh) | 2012-05-28 | 2013-03-28 | 工程机械 |
KR1020147036630A KR101688499B1 (ko) | 2012-05-28 | 2013-03-28 | 건설기계 |
EP13798155.1A EP2857597B1 (en) | 2012-05-28 | 2013-03-28 | Construction machine with steps and a compartment cover |
US14/403,654 US9309644B2 (en) | 2012-05-28 | 2013-03-28 | Construction machine |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012121052A JP5824414B2 (ja) | 2012-05-28 | 2012-05-28 | 建設機械 |
JP2012-121052 | 2012-05-28 |
Publications (1)
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WO2013179755A1 true WO2013179755A1 (ja) | 2013-12-05 |
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Family Applications (1)
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PCT/JP2013/059361 WO2013179755A1 (ja) | 2012-05-28 | 2013-03-28 | 建設機械 |
Country Status (6)
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US (1) | US9309644B2 (ja) |
EP (1) | EP2857597B1 (ja) |
JP (1) | JP5824414B2 (ja) |
KR (1) | KR101688499B1 (ja) |
CN (1) | CN104334804B (ja) |
WO (1) | WO2013179755A1 (ja) |
Cited By (1)
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US20160032562A1 (en) * | 2013-08-08 | 2016-02-04 | Komatsu Ltd. | Wheel loader |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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USD936709S1 (en) * | 2020-05-15 | 2021-11-23 | Deere & Company | Excavator steps |
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- 2013-03-28 US US14/403,654 patent/US9309644B2/en active Active
- 2013-03-28 CN CN201380027567.1A patent/CN104334804B/zh active Active
- 2013-03-28 KR KR1020147036630A patent/KR101688499B1/ko active IP Right Grant
- 2013-03-28 EP EP13798155.1A patent/EP2857597B1/en active Active
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Also Published As
Publication number | Publication date |
---|---|
EP2857597A4 (en) | 2016-09-07 |
JP2013245503A (ja) | 2013-12-09 |
KR101688499B1 (ko) | 2016-12-21 |
CN104334804B (zh) | 2016-10-05 |
EP2857597B1 (en) | 2020-02-12 |
US9309644B2 (en) | 2016-04-12 |
JP5824414B2 (ja) | 2015-11-25 |
KR20150024352A (ko) | 2015-03-06 |
EP2857597A1 (en) | 2015-04-08 |
CN104334804A (zh) | 2015-02-04 |
US20150176247A1 (en) | 2015-06-25 |
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