CN102995671B - Engineering machinery - Google Patents
Engineering machinery Download PDFInfo
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- CN102995671B CN102995671B CN201210348900.6A CN201210348900A CN102995671B CN 102995671 B CN102995671 B CN 102995671B CN 201210348900 A CN201210348900 A CN 201210348900A CN 102995671 B CN102995671 B CN 102995671B
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- air filter
- electromotor
- device space
- oil tank
- engine room
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- 230000008676 import Effects 0.000 claims 1
- 239000002828 fuel tank Substances 0.000 description 11
- 238000001816 cooling Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000000280 densification Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 238000002679 ablation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
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- Component Parts Of Construction Machinery (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The present invention provides a kind of engineering machinery.This engineering machinery includes the upper rotation with upper frame, driver's cabin and engine room.In engine room, it is provided with electromotor, is positioned at the hydraulic pump of left and right either side, is positioned at the heat exchanger of the side contrary with hydraulic pump and cools down the fan of this heat exchanger.Driver's cabin is positioned at the front of engine room and side identical with hydraulic pump in the lateral direction, and the device space is arranged at the side contrary with driver's cabin.Operating oil tank and air filter it is provided with in the device space.Operating oil tank is arranged at the rear portion of the device space and the part of inner side in the direction of the width, and and provided adjacent, air filter is arranged in the direction of the width than operating oil tank more in the outer part, and utilizes and be connected with electromotor with the suction nozzle of engine room across the described device space.Thus, air filter can be set in the way of the complication being not result in matched tube structure and cost increase.
Description
Technical field
The present invention relates to the engineering machinery such as the excavator including upper rotation, this upper rotation has upper frame and air filter.
Background technology
The background technology of the present invention is described as a example by the excavator shown in Fig. 5.This excavator includes caterpillar lower running body 1, the upper rotation 2 that can be equipped on this lower running body 1 pivotally and is installed on the operation auxiliary equipment 3 of this upper rotation 2.Operation auxiliary equipment 3 includes swing arm 4, dipper 5, scraper bowl 6 and the hydraulic cylinder 7,8,9 making them work respectively that is hydraulic actuator.Described excavator also includes: hydraulic pump, and it supplies working oil, to drive this hydraulic actuator to the multiple hydraulic actuators comprising described hydraulic cylinder 7 to 9；And control valve, it is between this hydraulic pump and described each hydraulic actuator, and described working oil is guided described hydraulic actuator.
Upper rotation 2 includes the upper frame 10 as base station, and the either side in the anterior left and right sides of this upper frame 10 (is left side the most as shown in Figure.Hereinafter, illustrate as a example by this situation) part on driver's cabin 11 is set, the rearward end of upper frame 10 arranges counterweight 12.Additionally, on the rear portion of upper frame 10, and than described driver's cabin 11 rearward and the position in front of counterweight 12, it is formed with engine room 13, in this engine room 13, is provided as the electromotor 14 of power source.
Fig. 6 schematically shows structure and the general device layout on this upper frame 10 of described upper frame 10.
Described upper frame 10 is erect left stringer board 15, right stringer board 16, left clapboard 17, central baffle 18 and right clapboard 19 are set.Left and right stringer board 15,16 extends along direction before and after this upper frame 10 on the pars intermedia of the width of described upper frame 10, it is approximately equal to the length to the length of described upper frame 10 fore-and-aft direction, further, this left and right stringer board 15,16 holds a concurrent post strengthening part and the installing component of operation auxiliary equipment 3 of upper frame 10 entirety.Described each dividing plate 17,18,19 is arranged at the rear portion of upper frame 10 in the way of orthogonal with described stringer board 15,16.
Described dividing plate 17 to 19, described counterweight 12, and not shown horizontal side protecting component and upside protecting component form engine room 13, in this engine room 13, it is provided with electromotor 14, the left side being arranged at this electromotor 14 hydraulic pump 20 driven by this electromotor 14, be arranged in the left and right sides of electromotor 14 with described hydraulic pump 20 opposition side (right side) the cooling fan 21 that driven by electromotor 14, the air cooled heat exchanger 22 sucked from outside by the rotation by this fan 21, and it is arranged at the air guiding guard shield 23 of the surrounding of described fan 21.This heat exchanger 22 virtual terrain in figure 6 is shown as single heat exchanger, but actually about multiple heat exchange departments such as engine cool radiator, working oil cooling oil cooler or constitutes described heat exchanger 22 the most side by side.
Described upper frame 10 is formed device space S1.This device space S1 is arranged at the right forward side i.e. front of right clapboard 19 of engine room 13, and is provided with the fuel tank 24 of the fuel storing electromotor 14, houses the operating oil tank 25 of the working oil being supplied to described hydraulic pump 20, the control valve (Multigang valve) 26 controlling the work of hydraulic actuator and the connection hydraulic pump 20 suction pipe arrangement 27 with operating oil tank 25.At this, so-called " device space S1 " represents the space that can arrange equipment, generally speaking space and ratio driver's cabin 11 overall space on the right side in engine room front are referred to, but in the known technology shown in Fig. 6, wherein it is used as the substantial device space than right stringer board 16 space on the right side.
The basic layout of each equipment on upper frame so is by Japanese Laid-Open Patent Publication 2004-169465 and Japanese Laid-Open Patent Publication 2008-285829 disclosure.Additionally, the laying of fuel tank 24 in described device space S1, operating oil tank 25, control valve 26 is there has been proposed various scheme, the most as shown in drawings, fuel tank 24 is set at forefront, operating oil tank 25 is set in its rear, control valve 26 is set in rearmost part.
In described engine room 13, be additionally provided with the composed component of the suction system as electromotor 14 and for filtering the air filter 28 of air-breathing and connecting the suction nozzle 29 of electromotor 14 and air filter 28.Because the air entry of electromotor 14 is arranged at above electromotor 14, so this air filter 28 is provided proximally with electromotor 14 above electromotor 14.
For described excavator, the electromotor 14 and the air filter 28 that there is setting close to each other hinder mutually, the problem damaging both maintainabilitys (maintainability).
In order to solve described problem, it is contemplated that be arranged at by air filter 28 in the outside of engine room 13, such as device space S1, but because of following reason, it is difficult for setting air filter 28 shifting to this device space S1.I.e., in engineering machinery, particularly it is referred to as in the small-sized excavator of mini-excavator, because upper frame entirety is less, so the ratio that the width dimensions of driver's cabin 11 accounts for upper frame 10 is relatively large, the width dimensions of device space S1 correspondingly diminishes and its fore-and-aft direction size is also restrained, therefore, is difficult to retain remaining space in device space S1.Additionally, because operating oil tank 25 needs to utilize suction tube 27 to be connected to hydraulic pump 20, air filter 28 needs to utilize suction nozzle 29 to be connected to electromotor 14, so according to laying difference, each pipe can be elongated, causes complication and the cost increase of matched tube structure.
Summary of the invention
It is an object of the invention to provide a kind of engineering machinery that air filter can be set in the way of the complication being not result in matched tube structure and cost increase.
Engineering machinery provided by the present invention includes: lower running body；Upper rotation, is equipped on described lower running body with freely rotating；And operation auxiliary equipment, it is installed on the front portion of described upper rotation.Described upper rotation has upper frame, the device space being arranged at this upper frame and driver's cabin and is formed at the engine room at rear portion of this upper frame.The hydraulic pump of the either side be provided with electromotor in described engine room, being positioned in the left and right sides of described engine room, the heat exchanger of the side contrary with described hydraulic pump being positioned in the left and right sides of described engine room and cool down the fan of this heat exchanger.Described driver's cabin is positioned at the front of described engine room and side identical with described hydraulic pump in the lateral direction, and the described device space is arranged at side contrary with described driver's cabin in the lateral direction.Being provided with equipment in this device space and constitute the air filter of suction system of described electromotor, described equipment includes the operating oil tank for housing the working oil being supplied to described hydraulic pump.Described operating oil tank is arranged at the rear portion of the described device space and the part of inner side in the direction of the width, and with described provided adjacent, described air filter is arranged in the direction of the width than described operating oil tank more in the outer part, and by being connected with electromotor across the described device space with the suction nozzle of engine room.
So, in engineering machinery involved in the present invention, premised on allowing the device space be positioned at the layout on upper frame, contrary with hydraulic pump in the lateral direction side and engine room front, the operating oil tank being connected to hydraulic pump and the air filter being connected to electromotor are arranged in the device space part i.e. rear portion near engine room, and make operating oil tank be positioned at than air filter more in the inner part, thus suppress the Len req of suction tube and suction nozzle.Thus, it is possible in the way of the complication being not result in matched tube structure and cost increase, air filter is arranged in the device space, thereby, it is possible to improve the maintainability of electromotor and air filter.Further, air filter is arranged at the outside of the width being easily accessible by from outside, accordingly, it is capable to improve the maintainability of air filter further.
In the present invention, it is preferable that, viewed from above, described operating oil tank be formed as having long a pair limit toward each other with toward each other and the rectangle of shorter than described long limit respectively pair of short edges, described air filter is formed as the tubular with central shaft, in the described device space, described operating oil tank is arranged with the state allowing described long edge fore-and-aft direction extend, and described air filter is arranged in the way of making described central shaft orthogonal with described long limit.Thus, operating oil tank and air filter suitably can be arranged side by side in the width of the device space.In the structure shown here, premised on operating oil tank and air filter suitably can be arranged side by side in the width of the device space, shape when described operating oil tank is viewed from above is except allowing in addition to the rectangle orthogonal with minor face of its long limit, though also including that such as its long limit and minor face are non-orthogonal but are similar to rectangular tetragon, and at least one angle in four angles is changed into such as circular arc or with the substantially tetragon of linear ablation.In addition, in the way of the long limit of central shaft with operating oil tank to make air filter is orthogonal, air filter and operating oil tank are set in the width direction, it is thus possible to reduce air filter in the longitudinal direction occupy reduced space, other equipment (such as fuel tank) thus can be easily set.
In addition, it is preferable that, described electromotor has and is positioned at the top of this electromotor and for connecting the air entry of described suction nozzle, and described air filter is arranged at the top in the described device space, and the space of the lower section of the described air filter in this device space is provided with battery.This laying can make the height and position of described air entry close with the height and position of described air filter thus suppress the Len req of suction nozzle, and realize effectively utilizing the underlying space of air filter, easily arrange and be difficult to find out the battery arranging position as air filter 48 in the past.
In this case, it may be desirable to, also include the inlet box that exogenous QI is imported described air filter, wherein this inlet box is arranged at the position above air filter in the described device space.
So, by making inlet box be arranged at the rear portion of the device space in the same manner as air filter so that this inlet box is positioned near this air filter, it is possible to realize simplification and the densification being used for connecting the structure of this inlet box and this air filter.
In addition, in the present invention, it is preferable that, described fan is connected to described electromotor, air is sucked to be driven by this electromotor, described fan it is provided with between described heat exchanger and described electromotor, so that the air utilizing this fan to suck cools down described heat exchanger, it is provided around the guard shield for the air guiding this fan to suck at this fan, described suction nozzle is in the way of the second space of the top by the first space between described operating oil tank and air filter and described guard shield, it is laid between described electromotor and described air filter.Thus, described suction nozzle can be used without the short path of barrier, and under the state that not cooling effectiveness to heat exchanger has undesirable effect (such as, do not hinder the flowing etc. of air by heat exchanger), is easily laid.
As it has been described above, according to the present invention, it is possible to provide a kind of engineering machinery that air filter can be set in the way of the complication being not result in matched tube structure and cost increase.
Accompanying drawing explanation
Fig. 1 is the top view of the laying schematically showing each equipment on the upper frame of the upper rotation involved by embodiments of the present invention.
Fig. 2 is the magnified partial view of Fig. 1.
Fig. 3 is the III-III line amplification view of Fig. 1.
Fig. 4 is the IV-IV line amplification view of Fig. 1.
Fig. 5 is the schematic side perspective view of the excavator of the example of the applicable object as the present invention.
Fig. 6 is the top view of the laying schematically showing each equipment on conventional upper frame.
Detailed description of the invention
According to Fig. 1 to Fig. 4, embodiments of the present invention are described.
In this embodiment, apply the present invention to the hydraulic crawler excavator shown in described Fig. 5.That is, the excavator involved by this embodiment includes caterpillar lower running body 1, the upper rotation 2 that can be equipped on this lower running body 1 pivotally and is installed on the operation auxiliary equipment 3 of this upper rotation 2.Operation auxiliary equipment 3 includes swing arm 4, dipper 5, scraper bowl 6 and the hydraulic cylinder 7,8,9 making them work respectively that is hydraulic actuator.Described excavator also includes: hydraulic pump, and it supplies working oil, to drive this hydraulic actuator to the multiple hydraulic actuators comprising described hydraulic cylinder 7 to 9；And control valve, it is between this hydraulic pump and described each hydraulic actuator, and described working oil is guided described hydraulic actuator.
Replacing the upper frame 10 shown in Fig. 5, driver's cabin 11, counterweight 12 and engine room 13, upper rotation 2 has the upper frame 30 shown in Fig. 1, driver's cabin 31, counterweight 32 and engine room 33.Upper frame 30 is the base station of upper rotation 2, and the part of the either side (in the present embodiment for left side) in the anterior left and right sides of this upper frame 30 arranges described driver's cabin 31, and the rearward end at upper frame 30 arranges described counterweight 32.Additionally, at the rear portion of upper frame 30, and than described driver's cabin 31 rearward and the position in front of counterweight 32, form described engine room 33, in this engine room 33, be provided as the electromotor 34 of power source.
Described upper frame 30 is erect left stringer board 35, right stringer board 36, left clapboard 37, central baffle 38 and right clapboard 39 are set.Left and right stringer board 35,36 extends along direction before and after this upper frame 30 on the pars intermedia of the width (left and right directions) of described upper frame 30, it is approximately equal to the length to the length in direction before and after described upper frame 30, further, this left and right stringer board 35,36 holds a concurrent post strengthening part and the installing component of operation auxiliary equipment 3 of upper frame 30 entirety.Described each dividing plate 37,38,39 is arranged at the rear portion of upper frame 30 in the way of orthogonal with described stringer board 35,36.
Horizontal side shown in described dividing plate 37 to 39, described counterweight 32 and Fig. 3 and Fig. 4 and upside protecting component G form engine room 33, are provided with: electromotor 34 in this engine room 33；Hydraulic pump 40, it is positioned at the left side of this electromotor 34, and is driven by this electromotor 34；Cooling fan 41, it is positioned at the right side of electromotor 34 and is connected to this electromotor 34, and this cooling fan 41 is rotated driving by electromotor 34；Heat exchanger 42；And guard shield 43.The end with described driver's cabin 31 same side that hydraulic pump 40 is arranged in the both ends, left and right of the end in the left side of electromotor 34, i.e. electromotor 34.Described fan 41 is arranged between described heat exchanger 42 and described electromotor 34, and the air sucked from outside by the rotation of this fan 41 is used for cooling down described heat exchanger 42.Described guard shield 43 is arranged at the air that the surrounding of this fan 41 sucks to guide described fan 41.
In the right forward side of the described engine room 33 i.e. front of right clapboard 39, formation device space S2, the fuel tank 44 being provided with the fuel storing electromotor 34 in this device space S2, the operating oil tank 45 housing the working oil being supplied to described hydraulic pump 40, the control valve (Multigang valve) 46 controlling the work of hydraulic actuator and connection hydraulic pump 40 and the suction tube 47 of operating oil tank 45.
Further, this excavator also includes the air-breathing filtration air filter 48 constituting the suction system of electromotor 34 and connects the suction nozzle 49 of this air filter 48 and electromotor 34.Described air filter 48 by with described operating oil tank 45 on width (left and right directions) side by side in the way of be arranged in described device space S2.Described suction nozzle 49 is to be laid in the way of described engine room 33 across described device space S2.Specifically, arranging air entry 34a on the top of described electromotor 34, the one end of described suction nozzle 49 is connected to this air entry 34a.
In this embodiment, the mode during each equipment is arranged at described device space S2 is as follows.
About described fuel tank 44, described operating oil tank 45 and described control valve 46, control valve 46 is arranged at the forefront of device space S2, and fuel tank 44 is positioned at the rear of control valve 46 and near this control valve 46.Described operating oil tank 45 is positioned at the rear portion of device space S2, i.e. near the part of engine room 33, and is arranged at the part of inner side in the direction of the width, adjoins with driver's cabin 31.Specifically, viewed from above, operating oil tank 45 is formed as having long a pair limit toward each other with toward each other and a pair both sides (minor face) shorter than described long limit generally rectangular, is disposed in proximity to the position of driver's cabin 31.Specifically, described long edge fore-and-aft direction extends, and this operating oil tank 45 rearward offsets relative to fuel tank 44 in the way of allowing its latter half of rear surface from fuel tank 44 rearward highlight, and this operating oil tank 45 is configured to the state that is equipped on right stringer board 36.
Described air filter 48 is formed as having the tubular (such as cylindric) of central shaft, is positioned at the rear and in the direction of the width than operating oil tank 45 in the outer part of fuel tank 44.And, this air filter 48 is to allow its central shaft state orthogonal with the long limit of described operating oil tank 45, and the top that the state matched with the height and position of the air entry 34a being arranged at electromotor 34 top as described above is arranged in device space S2 is (as shown in Figure 3 and Figure 4, on this top, between air filter 48 and above protecting component G, want retaining space).Additionally, as shown in Figure 2 and Figure 4, the clearance C of width it is formed with between the face 48a inside the width of air filter 48 and the face 45a outside the width of operating oil tank 45.
In this embodiment, described heat exchanger 42 have with described fan 41 air-breathing in opposite directions after (left surface) 42a, as shown in the straight line L in Fig. 2, this air filter 48 is set in the way of allowing after this air-breathing the face 48a inside the width of 42a and air filter 48 the most substantially aligned.Additionally, in the diagram, the profile of the described operating oil tank 45 observed from rear represents with heavy line.
Described suction nozzle 49, by the second space of the top in the first space and described guard shield 43 that are equivalent to the clearance C between described operating oil tank 45 and described air filter 48, is laid between described air filter 48 and the air entry 34a of described electromotor 34.In other words, the laying of described each equipment realizes comprising the formation in the pipe arrangement space 50 (marking reference in only Fig. 4) for laying described suction nozzle 49 of described first space and second space, the suction nozzle 49 being connected to described air filter 48 utilizes from described air filter 48 towards the air entry 34a on described electromotor 34 top, the path for L-shaped viewed from above, is laid in described pipe arrangement space 50.
Further, as shown in Figure 3 and Figure 4, described laying realizes to arrange battery 51 in device space S2 and exogenous QI importing the inlet box 52 of air filter 48.Specifically, as previously mentioned, by air filter 48 being arranged at the top of device space S2, space formed below at air filter 48, described battery 51 is arranged at this space, further, described inlet box 52 is arranged at the space of the top being retained in air filter 48 in the way of close with this air filter 48.
In this excavator, as previously mentioned, premised on the front of device space S2 is arranged on upper frame 30, side contrary with hydraulic pump 40 in the lateral direction and engine room 33, operating oil tank 45 and air filter 48 is made to be arranged side by side the rear portion in device space S2 in the direction of the width, and make described operating oil tank 45 be positioned at than described air filter 48 more in the direction of the width such that it is able to suppression suction tube 47 and the Len req of suction nozzle 49.Thus, it is possible in the way of the complication being not result in matched tube structure and cost increase, air filter 48 is arranged in device space S2, thereby, it is possible to improve the maintainability of both electromotor 34 and air filter 48.Additionally, described air filter 48 is arranged at the outside of the width being easily accessible by from outside, accordingly, it is capable to improve the maintainability of air filter 48 further.
Further, it is obtained in that following effect by this embodiment.
(1) in device space S2, overlook and arranged with the state allowing its long edge fore-and-aft direction extension in generally rectangular operating oil tank 45, and, the air filter 48 of tubular is arranged in the way of making its central shaft orthogonal with the long limit of described operating oil tank 45, so described operating oil tank 45 and air filter 48 suitably can be arranged side by side in the width of device space S2.
(2) the long limit of the central shaft with operating oil tank 45 to make air filter 48 is orthogonal and in the way of allowing this air filter 48 and this operating oil tank 45 the most side by side, this air filter 48 and this operating oil tank 45 is set, it is thus possible to reduce air filter 48 in the longitudinal direction occupy space, other equipment (such as fuel tank 44) thus can be easily set.
(3) by arranging air filter 48 on the top of device space S2, the height and position that can make this air filter 48 is close with the height and position of the air entry 34a being located at electromotor 34 top, therefore, can suppress the Len req of suction nozzle 49.And, by this air filter 48 being arranged at the top of described device space S2, it is possible in the space for arranging battery 51 formed below of this air filter 48.I.e., it is possible to effectively utilize the underlying space of air filter 48, easily setting is difficult to find out the battery 51 arranging position as air filter 48 in the past.
(4) because air filter 48 in being located at described device space S2 be provided above inlet box 52, it is possible to make this air filter 48 and the attachment structure of this inlet box 52 simplify, densification.
(5) the pipe arrangement space 50 comprising the first space and second space it is formed with, wherein first it is spatially located between operating oil tank 45 and air filter 48, second space is positioned at the top of guard shield 43, this guard shield 43 is positioned at side after the air-breathing of heat exchanger 42, i.e. between heat exchanger 42 and electromotor 34, described suction nozzle 49 is laid in described pipe arrangement space 50, and it is connected to electromotor 34 and air filter 48, therefore, suction nozzle 49 can be used without the short path of barrier, and have undesirable effect (such as at not cooling effectiveness to heat exchanger 42, do not hinder the flowing etc. of air by heat exchanger 42) state under, easily laid.
The present invention is not limited to the embodiment being explained above.Such as contrary with described embodiment, the present invention can also be applied to driver's cabin 31 and be arranged at the right front portion of upper frame 30, and device space S2 is arranged at the left front portion of upper frame 30, and hydraulic pump 40 is arranged at the excavator on right side of electromotor 34.It is also possible to be applied to the engineering machinery beyond excavator.
Claims (5)
1. an engineering machinery, it is characterised in that including:
Lower running body；
Upper rotation, is equipped on described lower running body with freely rotating；And
Operation auxiliary equipment, is installed on the front portion of described upper rotation, wherein,
Described upper rotation has upper frame, the device space being arranged at this upper frame and driver's cabin and is formed at the engine room at rear portion of this upper frame,
The hydraulic pump of the either side be provided with electromotor in described engine room, being positioned in the left and right sides of described engine room, the heat exchanger of the side contrary with described hydraulic pump being positioned in the left and right sides of described engine room and cool down the fan of this heat exchanger
Described driver's cabin is positioned at the front of described engine room and side identical with described hydraulic pump in the lateral direction, the described device space is arranged at the front of described engine room and side contrary with described driver's cabin in the lateral direction, in this device space, it is provided with equipment and constitutes the air filter of suction system of described electromotor, described equipment includes the operating oil tank for housing the working oil being supplied to described hydraulic pump
Described operating oil tank is arranged at the rear portion of the described device space and the part of inner side in the direction of the width, and with described provided adjacent,
Described air filter is arranged in the direction of the width than described operating oil tank more in the outer part, and by being connected with electromotor across the described device space with the suction nozzle of engine room.
Engineering machinery the most according to claim 1, it is characterised in that:
Viewed from above, described operating oil tank be formed as having long a pair limit toward each other with toward each other and the rectangle of shorter than described long limit respectively pair of short edges,
Described air filter is formed as the tubular with central shaft,
In the described device space, described operating oil tank is arranged with the state allowing described long edge fore-and-aft direction extend, and described air filter is arranged in the way of making described central shaft orthogonal with described long limit.
Engineering machinery the most according to claim 1, it is characterised in that:
Described electromotor has and is positioned at the top of this electromotor and for connecting the air entry of described suction nozzle,
Described air filter is arranged at the top in the described device space, and the space of the lower section of the described air filter in this device space is provided with battery.
Engineering machinery the most according to claim 3, it is characterised in that also include:
Inlet box, imports described air filter by exogenous QI, wherein,
Described inlet box is arranged at the position above air filter in the described device space.
Engineering machinery the most according to any one of claim 1 to 4, it is characterised in that:
Described fan is connected to described electromotor, sucks air to be driven by this electromotor,
Described fan it is provided with, in order to the air utilizing this fan to suck cools down described heat exchanger between described heat exchanger and described electromotor,
It is provided around the guard shield for the air guiding this fan to suck at described fan,
Described suction nozzle, in the way of the second space of the top by the first space between described operating oil tank and air filter and described guard shield, is laid between described electromotor and described air filter.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011202977A JP5810784B2 (en) | 2011-09-16 | 2011-09-16 | Construction machinery |
| JP2011-202977 | 2011-09-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102995671A CN102995671A (en) | 2013-03-27 |
| CN102995671B true CN102995671B (en) | 2016-08-03 |
Family
ID=47924727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210348900.6A Expired - Fee Related CN102995671B (en) | 2011-09-16 | 2012-09-14 | Engineering machinery |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5810784B2 (en) |
| CN (1) | CN102995671B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6810082B2 (en) * | 2018-03-26 | 2021-01-06 | 日立建機株式会社 | Construction machinery |
| DE102018115036A1 (en) * | 2018-06-22 | 2019-12-24 | Weidemann GmbH | Work vehicle with electrical energy storage |
| KR102653293B1 (en) * | 2020-05-28 | 2024-04-02 | 히다찌 겐끼 가부시키가이샤 | voltage machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001064996A (en) * | 1999-08-26 | 2001-03-13 | Shin Caterpillar Mitsubishi Ltd | Cooling structure of construction machine |
| JP2002089380A (en) * | 2000-07-07 | 2002-03-27 | Hitachi Constr Mach Co Ltd | Construction machinery |
| JP2006028873A (en) * | 2004-07-15 | 2006-02-02 | Hitachi Constr Mach Co Ltd | Intake device for construction machine |
| CN101250887A (en) * | 2007-02-23 | 2008-08-27 | 神钢建设机械株式会社 | Installation structure of filters for coolers of construction machinery |
| CN101688383A (en) * | 2007-06-26 | 2010-03-31 | 日立建机株式会社 | construction machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007154591A (en) * | 2005-12-08 | 2007-06-21 | Hitachi Constr Mach Co Ltd | Engine compartment for construction machine |
-
2011
- 2011-09-16 JP JP2011202977A patent/JP5810784B2/en not_active Expired - Fee Related
-
2012
- 2012-09-14 CN CN201210348900.6A patent/CN102995671B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001064996A (en) * | 1999-08-26 | 2001-03-13 | Shin Caterpillar Mitsubishi Ltd | Cooling structure of construction machine |
| JP2002089380A (en) * | 2000-07-07 | 2002-03-27 | Hitachi Constr Mach Co Ltd | Construction machinery |
| JP2006028873A (en) * | 2004-07-15 | 2006-02-02 | Hitachi Constr Mach Co Ltd | Intake device for construction machine |
| CN101250887A (en) * | 2007-02-23 | 2008-08-27 | 神钢建设机械株式会社 | Installation structure of filters for coolers of construction machinery |
| CN101688383A (en) * | 2007-06-26 | 2010-03-31 | 日立建机株式会社 | construction machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102995671A (en) | 2013-03-27 |
| JP2013064256A (en) | 2013-04-11 |
| JP5810784B2 (en) | 2015-11-11 |
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