WO2012060293A1 - 作業機械 - Google Patents
作業機械 Download PDFInfo
- Publication number
- WO2012060293A1 WO2012060293A1 PCT/JP2011/074938 JP2011074938W WO2012060293A1 WO 2012060293 A1 WO2012060293 A1 WO 2012060293A1 JP 2011074938 W JP2011074938 W JP 2011074938W WO 2012060293 A1 WO2012060293 A1 WO 2012060293A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cab
- engine room
- rear window
- cover member
- engine
- Prior art date
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Classifications
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- 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
- E02F9/08—Superstructures; Supports for superstructures
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/08—Front or rear portions
- B62D25/10—Bonnets or lids, e.g. for trucks, tractors, busses, work vehicles
-
- 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
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/30—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam, i.e. boom
-
- 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
- E02F9/0833—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
- E02F9/0866—Engine compartment, e.g. heat exchangers, exhaust filters, cooling devices, silencers, mufflers, position of hydraulic pumps in the engine compartment
-
- 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
- E02F9/16—Cabins, platforms, or the like, for drivers
- E02F9/163—Structures to protect drivers, e.g. cabins, doors for cabins; Falling object protection structure [FOPS]; Roll over protection structure [ROPS]
Definitions
- the present invention relates to a work machine such as a hydraulic excavator in which a driver's cab having a rear window and an engine room adjacent to the driver's cab are arranged on a revolving structure.
- the width dimension of the revolving structure in order to minimize the turning radius outside the vehicle width of the traveling body, due to the working environment, Restriction is imposed on the rearward projecting dimension of the counterweight disposed at the rear of the revolving structure. Therefore, when it is desired to set a large ventilation area of the heat exchanger accommodated in the engine room disposed on the revolving structure, the height dimension of the engine room must be set high.
- Patent Document 1 discloses a swing type work machine such as a hydraulic excavator as this type of work machine.
- the prior art disclosed in Patent Document 1 includes a cab or cab at a front position of a revolving structure, and a cooling device including a heat exchanger adjacent to the cab, an engine, and the like are accommodated at a rear position of the cab.
- the engine room is set with a relatively high height dimension.
- the cover member that forms the ceiling portion of the engine room, that is, the decorative cover extends in the substantially horizontal direction as a whole. Therefore, the end portion on the cab side of the decorative cover that forms the ceiling portion of the engine room faces a relatively high position portion at the rear of the cab.
- a rear window made of a glass window is usually arranged at the rear of the cab, that is, the cab, and the operator sitting in the cab in the cab is You can see the back of the car through the window.
- Patent Document 1 a decorative cover that forms a ceiling portion of an engine room that extends in a substantially horizontal direction is approaching the rear window of the driver's cab.
- the sitting operator is easily psychologically pressured by the engine room. Therefore, some operators may find it difficult to obtain comfortable operability when operating various hydraulic actuators.
- the position of the decorative cover on the driver's cab is relatively high, when the operator sitting in the driver's seat looks at the rear from the rear window, the view is obstructed by the decorative cover, making it difficult to see, Easy to be restricted. Therefore, in the prior art, there is a concern that workability of work performed while looking at the back may be reduced due to restrictions on the rear view.
- 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 reduce the feeling of pressure received by the operator sitting in the driver's seat from the engine room and to the rear of the operator sitting in the driver's seat.
- An object of the present invention is to provide a work machine that can relax restrictions on the field of view.
- the present invention includes a swivel body and a work device attached to the swivel body, and a driver's cab having a rear window is disposed at a front side position of the swirl body, and is adjacent to the driver's cab.
- An engine room is disposed at a rear position, and in the work machine in which the ceiling portion of the engine room is formed of a cover member, the cover member portion located in the vicinity of the cab is a predetermined distance from immediately after the cab.
- it is characterized by comprising a surface-shaped portion having a shape gradually increasing from the vicinity of the lower end portion of the rear window toward the rear of the vehicle body.
- the shape of the portion of the cover member that forms the ceiling portion of the engine room located in the vicinity of the cab is the lower end of the rear window of the cab for a predetermined distance immediately after the cab. Since it is composed of a surface-shaped portion having a shape that gradually increases from the vicinity of the portion toward the rear of the vehicle body, the ceiling portion of the engine room is lowered for a predetermined distance immediately after the cab. Therefore, the space part according to the above-mentioned predetermined distance can be formed between the rear window of the cab and the ceiling part of the engine room. By this space portion, it is possible to reduce a feeling of pressure received from the engine room by an operator sitting in the driver's seat of the cab.
- the present invention also provides a rear view of an operator sitting on the driver's seat by forming the space portion described above when the position of the cover member that forms the ceiling portion of the engine room is higher than the position of the eyes of the operator sitting on the driver's seat. Can lower the lower field of view. Therefore, it is possible to relax the restriction on the rear view of the operator sitting in the driver's seat.
- the present invention can lower the lower field of view of the rear field of view, so that when the rear monitor mirror is arranged, the length of the stay supporting the rear monitor mirror can be set short. .
- the present invention is characterized in that, in the above invention, the height of the starting point of the surface-shaped portion is set to a height equal to or lower than the lower end portion of the rear window.
- the present invention configured as described above can secure a large space formed between the rear window of the driver's cab and the ceiling of the engine room, and a feeling of pressure that an operator sitting in the driver's seat receives from the engine room. Contributes to reducing In addition, when an accident occurs in which the operator's cab is covered with earth and sand due to work performed on the construction machine, the operator sitting in the operator's seat breaks the rear window of the operator's cab and escapes outside. However, the present invention can secure a large escape area corresponding to the entire rear window when such an operator escapes.
- the rear window when the surface shape portion of the cover member is virtually rotated around the upper end portion of the rear window, the rear window is rotated in the engine room direction. It is characterized by being arranged so as to be located outside the rotation locus drawn by the lower end of the window.
- the present invention configured as described above can enlarge the space formed between the rear window of the cab and the ceiling portion of the engine room, and the operator sitting in the driver's seat can Contributes to reducing the feeling of pressure from the engine room. Further, when the operator escapes by breaking the rear window of the driver's seat, a large escape area corresponding to the entire rear window can be secured.
- the present invention provides the engine according to the invention, wherein the cover member of the engine room includes the surface-shaped portion, and an engine cover that is connected to the surface-shaped portion and provided in a horizontal direction and that can be opened and closed.
- a handle attached to the cover and utilized when opening and closing the engine cover is provided, and the handle is disposed near the end of the engine cover located in the vicinity of the surface shape portion.
- the present invention configured as described above is a space formed between the rear window of the cab and the ceiling of the engine room when the engine cover is opened and the equipment housed in the engine room is serviced.
- the handle can be inserted into the handle to grip the handle, and the engine cover can be easily opened and closed.
- the present invention is characterized in that, in the above invention, a heat exchanger is disposed at a location in the engine room immediately below the surface shape portion of the cover member.
- the present invention configured as described above can use a portion in the engine room immediately below the surface shape portion of the cover member as a space for arranging the heat exchanger with a relatively small height dimension.
- the portion of the cover member that forms the ceiling portion of the engine room located in the vicinity of the cab is located at the rear of the vehicle body starting from the vicinity of the lower end of the rear window of the cab for a predetermined distance immediately after the cab. Since it consists of the surface shape part which has a shape which becomes high gradually toward to, the space part according to the above-mentioned predetermined distance can be formed between the rear window of the cab and the ceiling part of the engine room. By this space portion, it is possible to reduce a feeling of pressure received by the operator sitting in the driver's seat from the engine room, and it is possible to ensure comfortable operability compared to the conventional case.
- the present invention with the formation of the space portion described above, it is possible to lower the lower limit of the visibility of the operator sitting in the driver's seat. Thereby, the restriction
- FIG. 1 is a side view showing a hydraulic excavator that constitutes a first embodiment of a work machine according to the present invention. It is a perspective view which shows the turning body with which the hydraulic shovel shown in FIG. 1 is equipped. It is a principal part expanded side sectional view of the turning body shown in FIG. It is a figure explaining the effect of the hydraulic excavator concerning a 1st embodiment. It is a sectional side view which shows the principal part of 2nd Embodiment of this invention. It is a sectional side view which shows the principal part of 3rd Embodiment of this invention. It is a sectional side view which shows the principal part of 4th Embodiment of this invention. It is a sectional side view which shows the modification of 1st Embodiment of this invention. It is a sectional side view which shows the modification of 2nd Embodiment of this invention.
- FIG. 1 is a side view showing a hydraulic excavator constituting a first embodiment of a working machine according to the present invention
- FIG. 2 is a perspective view showing a swivel body provided in the hydraulic excavator shown in FIG. 1
- FIG. 3 is shown in FIG. It is a principal part expanded side sectional view of a turning body.
- the work machine includes, for example, a hydraulic excavator.
- this hydraulic excavator includes a traveling body 1, a revolving body 2 disposed on the traveling body 1, and a working device 3 attached to the revolving body 2 so as to be rotatable in the vertical direction.
- the work device 3 includes a boom 4 attached to the swing body 2 so as to be rotatable in the vertical direction, a boom cylinder 4a for operating the boom 4, and an arm 5 attached to the tip of the boom 4 so as to be rotatable in the vertical direction.
- the arm cylinder 5a for operating the arm 5, the bucket 6 attached to the tip of the arm 5 so as to be rotatable in the vertical direction, and the bucket cylinder 6a for operating the bucket 6 are provided.
- This hydraulic excavator can perform various operations such as excavation work of earth and sand by causing the traveling body 1 to travel or the revolving body 2 to be revolved and the working device 3 to be swung up and down. .
- a cab 7 is disposed at the front position of the revolving frame 2a of the revolving structure 2, and a counterweight 8 is disposed at the rear position.
- An engine room 9 in which a heat exchanger, an engine, and the like are accommodated is disposed at a rear position adjacent to the cab 7 via a predetermined gap, that is, between the cab 7 and the counterweight 8. .
- a rear window 16 made of a glass window is disposed at the rear of the cab 7.
- the rear window 16 is formed of a fixed window that cannot be opened and closed, for example.
- the ceiling part of the engine room 9 is formed by a cover member 17.
- a side door 20 that is opened and closed at the time of maintenance and inspection of equipment in the engine room 9 is provided on the side of the engine room 9.
- the side door 20 is formed with a number of notification holes for guiding outside air into the engine room 9.
- an upper cover 10 is disposed on the right side of the cover member 17 of the engine room 9 and on the front side of the counterweight 8.
- a hydraulic pump or the like driven by the engine is accommodated below the upper cover 8.
- a hydraulic oil tank 11 and a fuel tank 12 are disposed at the right front position of the upper cover 10.
- a front right cover 13 is disposed in front of the hydraulic oil tank 11 and the fuel tank 12.
- a control valve is disposed below the right front cover 13.
- a handrail 14 is provided on the revolving unit 2 for facilitating getting into the upper part of the revolving unit 2.
- a right rear mirror 15 is attached to a portion of the handrail 14 on the cab 7 side.
- the portion of the cover member 17 located in the vicinity of the cab 7 is a lower end portion of the rear window 16 for a predetermined distance immediately after the cab 7.
- This surface-shaped part is comprised by the inclined surface part 18, for example.
- the width dimension of the inclined surface portion 18 is set to be equal to, for example, the width dimension of the rear portion of the cab 7 where the rear window 16 is provided.
- the predetermined distance from immediately after the cab 7 described above is set in accordance with, for example, the arrangement of the oil cooler 23 housed in the engine room 9 and the piping 24 that connects the oil cooler 23 and the control valve described above. Is done.
- the height of the starting point 18a of the inclined surface portion 18 described above is set to a height equal to or lower than the lower end portion 16a of the rear window 16 of the cab 7, for example.
- the above-described cover member 17 of the engine room 9 includes an inclined surface portion 18 and an engine cover 19 that is provided in the horizontal direction so as to be connected to the inclined surface portion 18 and can be opened and closed in the vertical direction.
- a handle 22 used for opening and closing the engine cover 19 is attached to the engine cover 19. As shown in FIG. 2, the handle 22 is disposed in the vicinity of the end portion 19 a of the engine cover 19 located in the vicinity of the inclined surface portion 18.
- the inclined surface portion 18 of the cover member 17 that forms the ceiling portion of the engine room 9 virtually moves the rear window 16 toward the engine room 9 around the upper end portion 16 b of the rear window 16. It arrange
- the inclined surface portion 18 is set to an inclination angle that substantially contacts the rotation locus 21.
- FIG. 4 is a diagram for explaining the effects of the hydraulic excavator according to the first embodiment.
- the portion of the cover member 17 that forms the ceiling portion of the engine room 9 that is located in the vicinity of the cab 7 is a predetermined distance from immediately after the cab 7.
- the vicinity of the lower end portion 16a of the rear window 16 of the cab 7 starts from the starting point 18a, and includes an inclined surface portion 18 that gradually increases toward the rear of the vehicle body.
- the ceiling portion of the engine room 9 is lowered for a predetermined distance immediately after the cab 7, and between the rear window 16 of the cab 7 and the ceiling portion of the engine room 9, as shown in FIG.
- the space part 50 according to the above-mentioned predetermined distance can be formed.
- the space portion 50 can reduce the feeling of pressure received from the engine room 9 by the operator sitting in the driver's seat of the cab 7. Accordingly, comfortable operability can be ensured.
- the position of the cover member 17 that forms the ceiling portion of the engine room 9 is higher than the position 30 of the eyes of the operator sitting on the driver's seat.
- the formation of the space 50 described above makes it possible to lower the lower visibility limit 31 of the rear view through the rear window 16 of the operator sitting in the driver's seat than the lower view limit 34 in the case of a conventional hydraulic excavator. Therefore, it is possible to relax the restriction on the rear view of the operator sitting in the driver's seat, and to improve the workability of the work performed while looking at the rear of the vehicle body.
- the excavator according to the first embodiment can lower the visual field lower limit 31 of the rear field of view.
- the length dimension of the stay 32 that supports the rear monitoring mirror 33 can be set shorter than the length dimension of the stay 35 when the rear monitoring mirror 36 is disposed in a conventional hydraulic excavator.
- the hydraulic excavator according to the first embodiment can stably support the rear monitoring mirror 33 and can easily adjust the position of the rear monitoring mirror 33 compared to the case where the rear monitoring mirror 36 is arranged in the conventional hydraulic excavator. Can be done.
- the height of the starting point 18a of the inclined surface portion 18 is set to be equal to or lower than the lower end portion 16a of the rear window 16, so that the rear window 16 of the cab 7 and the engine A large space 50 formed between the room 9 and the ceiling portion can be secured, which contributes to reducing the feeling of pressure that the operator sitting in the cab 7 receives from the engine room 9.
- the escape may occur, according to the first embodiment, when the operator escapes from the rear window 16 as described above, a large escape area corresponding to the entire rear window 16 can be secured.
- the inclined surface portion 18 of the cover member 17 is disposed outside the virtual rotation locus 21 of the rear window 16.
- the space 50 can be enlarged, which contributes to reducing the feeling of pressure that the operator sitting in the driver's seat receives from the engine room 9.
- a large escape area corresponding to the entire rear window 16 can be secured in the same manner as described above.
- a handle 22 for opening and closing the engine cover 19 is disposed in the vicinity of the end portion 19 a of the engine cover 19 located in the vicinity of the inclined surface portion 18 of the cover member 17. .
- the engine cover 19 is opened to perform maintenance and inspection of the oil cooler 23, the intercooler 25, and a heat exchanger such as a radiator (not shown) accommodated in the engine room 9, the rear window 16 of the cab 7
- a hand can be inserted into the handle 22 to grip the handle 22, and the engine cover 19 can be easily opened and closed by the handle 22. Can do.
- the efficiency of the maintenance inspection work in the engine room 9 performed by opening the engine cover 19a can be improved.
- a portion in the engine room 9 immediately below the inclined surface portion 18 of the cover member 17 that forms the ceiling portion of the engine room 9 is a heat exchanger in which the height is relatively suppressed, that is, oil It can be used as an arrangement space for the cooler 23 and a radiator (not shown).
- the surface shape portion of the cover member 17 having a shape that gradually increases for a predetermined distance from immediately after the cab 7 is configured by the inclined surface portion 18 having a simple shape.
- the surface shape portion of the cover member 17 can be easily manufactured.
- FIG. 5 is a side sectional view showing the main part of the second embodiment of the present invention
- FIG. 6 is a side sectional view showing the main part of the third embodiment of the present invention
- FIG. 7 is the main part of the fourth embodiment of the present invention. It is a sectional side view which shows a part.
- the second embodiment shown in FIG. 5 is also a hydraulic excavator similar to that in the first embodiment described above, for example.
- This second embodiment is a surface-shaped portion of the cover member 17 that forms the ceiling portion of the engine room 9. That is, a turning locus in which a surface shape portion having a shape gradually increasing from the vicinity of the lower end portion 16a of the rear window 16 toward the rear of the vehicle body for a predetermined distance immediately after the cab 7 is virtually drawn. 21 is formed of a concave curved surface portion 37 along 21.
- Other configurations are the same as those of the first embodiment.
- the second embodiment configured as described above can also achieve the same operational effects as the first embodiment.
- the second embodiment can secure a wider space 50 between the rear window 16 of the cab 7 and the ceiling portion of the engine room 9, and can increase the rigidity of the surface shape portion of the cover member 17. .
- the third embodiment shown in FIG. 6 is also a hydraulic excavator equivalent to that in the first embodiment described above, for example.
- the surface shape portion of the cover member 17 is composed of a convex curved surface portion 38.
- Other configurations are the same as those of the first embodiment.
- the third embodiment configured as described above can also achieve the same operational effects as the first embodiment.
- this 3rd Embodiment can improve the rigidity of the surface-shaped part of the cover member 17.
- the fourth embodiment shown in FIG. 7 is also a hydraulic excavator equivalent to that in, for example, the first embodiment described above.
- the surface shape portion of the cover member 17 is composed of a stepped surface portion 39. .
- Other configurations are the same as those of the first embodiment.
- the fourth embodiment configured as described above can also obtain the same operational effects as the first embodiment.
- this 4th Embodiment can make the surface shape part of the cover member 17 into the shape matched with the shape dimensions of apparatuses, such as a heat exchanger arrange
- FIG. 8 is a side sectional view showing a modification of the first embodiment of the present invention
- FIG. 9 is a side sectional view showing a modification of the second embodiment of the present invention.
- the surface shape portion of the cover member 17 that forms the ceiling portion of the engine room 9 is shaped according to the rotation locus 21 of the virtual rear window 16.
- the surface shape portion may be formed so as to be lower than the inclined surface portion 18 in the first embodiment as in the inclined surface portion 40 shown by the broken line in FIG.
- it may be formed so as to be lower than the concave curved surface portion 41 in the second embodiment like a concave curved surface portion 41 indicated by a broken line in FIG. With such an inclined surface portion 40 shown in FIG. 8 or a concave curved surface portion 41 shown in FIG. 9, a wider space portion 50 can be secured.
- the rear window 16 of the cab 7 is a fixed window that cannot be opened and closed.
- the rear window 16 may be configured by a window that can be opened and closed.
- the starting point of the surface shape portion of the cover member 17 is set to be equal to or less than the lower end portion 16a of the rear window 16, but an operator in the cab 7 breaks the rear window 16.
- the starting point of the surface-shaped portion located immediately after the cab 7 may be set at a slightly higher position than the lower end portion 16a of the rear window 16 as long as it does not cause any trouble when exiting.
- the width dimension of the surface shape portion of the cover member 17 is set to be equal to the width dimension of the rear portion of the cab 7, but the width dimension of the surface shape portion is set to the cab 7. You may set larger than the width dimension of the rear part. On the contrary, if the operator in the cab 7 breaks the rear window 16 and escapes, the width of the surface shape portion is slightly smaller than the width of the rear portion of the cab 7. It may be set.
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Abstract
Description
3 作業装置
7 運転室
8 カウンタウエイト
9 エンジンルーム
16 後方窓
16a 下端部
16b 上端部
17 カバー部材
18 傾斜面部(面形状部)
18a 起点
19 エンジンカバー
19a 端部
21 回動軌跡
22 取っ手
23 オイルクーラ
25 インタクーラ
30 目の位置
31 視界下限
32 ステー
33 後方視界ミラー
37 凹曲面部(面形状部)
38 凸曲面部(面形状部)
39 段付き面部(面形状部)
40 傾斜面部(面形状部)
41 凹曲面部(面形状部)
50 空間部
Claims (5)
- 旋回体と、この旋回体に取り付けられる作業装置とを備え、上記旋回体の前側位置に後方窓を有する運転室を配置し、この運転室に隣接する後側位置にエンジンルームを配置し、このエンジンルームの天井部分がカバー部材から成る作業機械において、
上記運転室の近傍に位置する上記カバー部材の部分は、上記運転室の直後から所定距離の間、上記後方窓の下端部付近を起点として、車体後方に向かうに従って次第に高くなる形状を有する面形状部から成ることを特徴とする作業機械。 - 請求項1に記載の作業機械において、
上記面形状部の上記起点の高さを、上記後方窓の上記下端部と同等以下の高さに設定したことを特徴とする作業機械。 - 請求項1に記載の作業機械において、
上記カバー部材の上記面形状部を、仮想的に上記後方窓の上端部を中心にして上記後方窓を上記エンジンルーム方向へ回動させたときに、上記後方窓の下端部によって描かれる回動軌跡の外側に位置するように配置したことを特徴とする作業機械。 - 請求項1に記載の作業機械において、
上記エンジンルームの上記カバー部材が、上記面形状部と、この面形状部に連設されて水平方向に設けられ、開閉可能なエンジンカバーとを含み、
上記エンジンカバーに取り付けられ、このエンジンカバーの開閉に際して活用される取っ手を備え、この取っ手を上記面形状部の近傍に位置する上記エンジンカバーの端部付近に配置したことを特徴とする作業機械。 - 請求項1項に記載の作業機械において、
上記カバー部材の上記面形状部の直下の上記エンジンルーム内の箇所に、熱交換器を配置したことを特徴とする作業機械。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP11837943.7A EP2636802A1 (en) | 2010-11-05 | 2011-10-28 | Working machine |
US13/882,919 US20130223967A1 (en) | 2010-11-05 | 2011-10-28 | Working Machine |
KR1020137012132A KR20130138259A (ko) | 2010-11-05 | 2011-10-28 | 작업 기계 |
CN201180053099.6A CN103189573B (zh) | 2010-11-05 | 2011-10-28 | 作业机械 |
Applications Claiming Priority (2)
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JP2010248590A JP5189155B2 (ja) | 2010-11-05 | 2010-11-05 | 作業機械 |
JP2010-248590 | 2010-11-05 |
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WO2012060293A1 true WO2012060293A1 (ja) | 2012-05-10 |
Family
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Family Applications (1)
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PCT/JP2011/074938 WO2012060293A1 (ja) | 2010-11-05 | 2011-10-28 | 作業機械 |
Country Status (6)
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US (1) | US20130223967A1 (ja) |
EP (1) | EP2636802A1 (ja) |
JP (1) | JP5189155B2 (ja) |
KR (1) | KR20130138259A (ja) |
CN (1) | CN103189573B (ja) |
WO (1) | WO2012060293A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11260730B2 (en) * | 2019-02-27 | 2022-03-01 | Clark Equipment Company | Windows for loader cab |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5842887B2 (ja) * | 2013-09-19 | 2016-01-13 | コベルコ建機株式会社 | 作業機械 |
JP6732423B2 (ja) * | 2015-09-30 | 2020-07-29 | 住友建機株式会社 | ショベル |
USD890224S1 (en) * | 2017-11-09 | 2020-07-14 | Deere & Company | Lift cylinder mounted grab handle |
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JPH0988121A (ja) * | 1995-09-27 | 1997-03-31 | Hitachi Constr Mach Co Ltd | 低騒音のホイールローダ |
JP2000291059A (ja) * | 1999-04-06 | 2000-10-17 | Komatsu Ltd | 油圧式掘削機 |
JP2001323507A (ja) * | 2000-05-18 | 2001-11-22 | Hitachi Constr Mach Co Ltd | 建設機械における開閉カバー用キャッチの固定構造 |
JP2002192960A (ja) * | 2000-10-18 | 2002-07-10 | Komatsu Ltd | 建設機械のエンジンフード |
JP2002206253A (ja) * | 2001-01-12 | 2002-07-26 | Komatsu Ltd | 油圧ショベル |
JP3927429B2 (ja) | 2002-03-25 | 2007-06-06 | 新キャタピラー三菱株式会社 | 旋回型作業機械 |
JP2010077634A (ja) * | 2008-09-25 | 2010-04-08 | Caterpillar Japan Ltd | 作業機械 |
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US3743045A (en) * | 1971-07-29 | 1973-07-03 | Allis Chalmers | Engine hood latch |
US3902295A (en) * | 1974-05-28 | 1975-09-02 | Caterpillar Tractor Co | Boom construction and method for making same |
JP3034175B2 (ja) * | 1994-12-06 | 2000-04-17 | 日立建機株式会社 | 建設機械の運転室の前下窓格納装置 |
CN1069373C (zh) * | 1996-06-04 | 2001-08-08 | 日立建机株式会社 | 带驾驶室的工程机械 |
JP2000110200A (ja) * | 1998-10-09 | 2000-04-18 | Hitachi Constr Mach Co Ltd | ホイール式産業車両 |
WO2002022968A1 (fr) * | 2000-09-18 | 2002-03-21 | Hitachi Construction Machinery Co., Ltd. | Cabine d'engin de construction |
WO2005003468A1 (ja) * | 2003-07-01 | 2005-01-13 | Komatsu Ltd. | 建設機械及びその突出物 |
JP4191585B2 (ja) * | 2003-12-15 | 2008-12-03 | 日立建機株式会社 | 建設機械用キャブ |
CN2703796Y (zh) * | 2004-05-17 | 2005-06-08 | 昆山市三一重机有限公司 | 驾驶室支撑机构 |
JP4440730B2 (ja) * | 2004-08-18 | 2010-03-24 | 日立建機株式会社 | 建設機械 |
JP4814235B2 (ja) * | 2005-07-19 | 2011-11-16 | 株式会社小松製作所 | 建設機械のキャブ構造 |
JP2010168739A (ja) * | 2009-01-20 | 2010-08-05 | Hitachi Constr Mach Co Ltd | 建設機械 |
-
2010
- 2010-11-05 JP JP2010248590A patent/JP5189155B2/ja not_active Expired - Fee Related
-
2011
- 2011-10-28 EP EP11837943.7A patent/EP2636802A1/en not_active Withdrawn
- 2011-10-28 US US13/882,919 patent/US20130223967A1/en not_active Abandoned
- 2011-10-28 WO PCT/JP2011/074938 patent/WO2012060293A1/ja active Application Filing
- 2011-10-28 CN CN201180053099.6A patent/CN103189573B/zh not_active Expired - Fee Related
- 2011-10-28 KR KR1020137012132A patent/KR20130138259A/ko not_active Application Discontinuation
Patent Citations (7)
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JPH0988121A (ja) * | 1995-09-27 | 1997-03-31 | Hitachi Constr Mach Co Ltd | 低騒音のホイールローダ |
JP2000291059A (ja) * | 1999-04-06 | 2000-10-17 | Komatsu Ltd | 油圧式掘削機 |
JP2001323507A (ja) * | 2000-05-18 | 2001-11-22 | Hitachi Constr Mach Co Ltd | 建設機械における開閉カバー用キャッチの固定構造 |
JP2002192960A (ja) * | 2000-10-18 | 2002-07-10 | Komatsu Ltd | 建設機械のエンジンフード |
JP2002206253A (ja) * | 2001-01-12 | 2002-07-26 | Komatsu Ltd | 油圧ショベル |
JP3927429B2 (ja) | 2002-03-25 | 2007-06-06 | 新キャタピラー三菱株式会社 | 旋回型作業機械 |
JP2010077634A (ja) * | 2008-09-25 | 2010-04-08 | Caterpillar Japan Ltd | 作業機械 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11260730B2 (en) * | 2019-02-27 | 2022-03-01 | Clark Equipment Company | Windows for loader cab |
Also Published As
Publication number | Publication date |
---|---|
US20130223967A1 (en) | 2013-08-29 |
CN103189573A (zh) | 2013-07-03 |
KR20130138259A (ko) | 2013-12-18 |
CN103189573B (zh) | 2015-05-13 |
JP5189155B2 (ja) | 2013-04-24 |
EP2636802A1 (en) | 2013-09-11 |
JP2012097538A (ja) | 2012-05-24 |
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