CN102995671A - Engineering machinery - Google Patents
Engineering machinery Download PDFInfo
- Publication number
- CN102995671A CN102995671A CN2012103489006A CN201210348900A CN102995671A CN 102995671 A CN102995671 A CN 102995671A CN 2012103489006 A CN2012103489006 A CN 2012103489006A CN 201210348900 A CN201210348900 A CN 201210348900A CN 102995671 A CN102995671 A CN 102995671A
- Authority
- CN
- China
- Prior art keywords
- air filter
- motor
- oil tank
- operating oil
- device space
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- 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 an engineering machinery. The engineering machinery comprises an upper revolution body having an upper frame, a driving room and an engine room; wherein the engine room is provided with an engine therein, a fluid pump arranged at a left or right side, a heat exchanger arranged at the opposite side of the fluid pump, and a fan used for cooling the heat exchanger; the driving room is arranged in front of the engine room and arranged at the same side of the fluid pump in a left-right direction, an equipment space is arranged at the opposite side of the driving room, the equipment space is provided with an operating oil tank and an air filter therein; the operating oil tank is arranged at a rear part of the equipment space and arranged at the innermost part in a width direction and is adjacent to the driving room; the air filter is arranged closer to an outer side than the operating oil tank in the width direction, and is connected with the engine by utilizing an air suction pipe across the equipment space and the engine room. Therefore, the air filter can be arranged without causing complication of a piping structure and cost raise.
Description
Technical field
The present invention relates to comprise the engineering machinery such as excavator of top revolving body, this top revolving body has upper frame and air filter.
Background technology
Take excavator shown in Figure 5 as example illustrates background technology of the present invention.This excavator comprises caterpillar lower running body 1, the operation fixture 3 that can be equipped on pivotally the top revolving body 2 of this lower running body 1 and be installed on this top revolving body 2.Operation fixture 3 comprises swing arm 4, dipper 5, scraper bowl 6 and makes hydraulic cylinder 7,8 that they work respectively, 9 that is hydraulic actuator.Described excavator also comprises: hydraulic pump, and it is to comprising described hydraulic cylinder 7 to 9 at interior a plurality of hydraulic actuator supply working oils, to drive this hydraulic actuator; And control valve, it is between this hydraulic pump and described each hydraulic actuator, with the described working oil described hydraulic actuator that leads.
Top revolving body 2 comprises the upper frame 10 as base station, and the either side in the left and right sides of the front portion of this upper frame 10 (is the left side usually as shown in Figure.Below, describe as an example of this situation example) part on driver's cabin 11 is set, in the rearward end of upper frame 10 counterweight 12 is set.In addition, on the rear portion of upper frame 10, and than the position of described driver's cabin 11 by the place ahead of rear and counterweight 12, be formed with engine room 13, in this engine room 13, be provided as the motor 14 of power source.
Fig. 6 schematically shows the structure of described upper frame 10 and the general device layout on this upper frame 10.
In described upper frame 10 settings left stringer board 15, right stringer board 16, left clapboard 17, central baffle 18 and right clapboard 19 are set.Left and right sides stringer board 15,16 fore-and-aft direction along this upper frame 10 on the pars intermedia of the width of described upper frame 10 extends, its length is substantially equal to the length of described upper frame 10 fore-and-aft directions, and this left and right sides stringer board 15,16 is held a concurrent post the strengthening part of upper frame 10 integral body and the installing component of operation fixture 3.Described each dividing plate 17,18,19 is arranged at the rear portion of upper frame 10 in the mode with described stringer board 15,16 quadratures.
Described dividing plate 17 to 19, described counterweight 12, and not shown horizontal side protecting component and upside protecting component formation engine room 13, in this engine room 13, be provided with motor 14, be arranged at the left side of this motor 14 and the hydraulic pump 20 that is driven by this motor 14, be arranged in the left and right sides of motor 14 with described hydraulic pump 20 opposition sides (right side) and the cooling fan 21 that driven by motor 14, by the air cooled heat interchanger 22 that sucks from the outside by the rotation of this fan 21, and the ambient air guiding guard shield 23 that is arranged at described fan 21.This heat interchanger 22 virtual terrain in Fig. 6 is shown single heat interchanger, but in fact engine cool with a plurality of heat exchange departments such as radiator, working oil cooling oil coolers about or front and back consist of side by side described heat interchanger 22.
Forming device space S 1 on described upper frame 10.The right forward side that this device space S1 is arranged at engine room 13 is the place ahead of right clapboard 19, and is provided with the suction pipe arrangement 27 of the control valve (Multigang valve) 26 of work of the fuel tank 24 of the fuel that stores motor 14, the operating oil tank 25 of accommodating the working oil that is supplied to described hydraulic pump 20, control hydraulic actuator and connecting fluid press pump 20 and operating oil tank 25.At this, so-called " device space S1 " expression can arrange the space of equipment, generally speaking refer to the space in engine room the place ahead and than driver's cabin 11 overall space on the right side, but in known technology shown in Figure 6, wherein be 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 open by Japanese Patent Publication communique JP 2004-169465 number and Japanese Patent Publication communique JP 2008-285829 number.In addition, the laying of the fuel tank 24 among the described device space S1, operating oil tank 25, control valve 26 has proposed various schemes, for example as shown in drawings, at forefront fuel tank 24 is set, and at its rear operating oil tank 25 is set, and in the end section arranges control valve 26.
In described engine room 13, also be provided with the admission pipe 29 that is used for filtering air-breathing air filter 28 and connecting engine 14 and air filter 28 as the composed component of the suction system of motor 14.Because the air entry of motor 14 be arranged at motor 14 above, so this air filter 28 closely arranges with motor 14 above motor 14.
For described excavator, exist mutually to hinder mutually near the motor 14 and the air filter 28 that arrange, diminish the problem of both maintainabilitys (maintainability).
In order to solve described problem, can consider air filter 28 is arranged at the outside of engine room 13, for example among the device space S1, but because of following reason, with air filter 28 move establish to this device space S1 be difficult.Namely, in engineering machinery, particularly be called as in the small-sized excavator of mini-excavator, because upper frame integral body is less, so it is relatively large that the width dimensions of driver's cabin 11 accounts for the ratio of upper frame 10, the width dimensions of device space S1 correspondingly diminishes and its fore-and-aft direction size also is restricted, and therefore, is difficult to keep remaining space in device space S1.In addition, because operating oil tank 25 need to utilize suction pipe 27 to be connected in hydraulic pump 20, air filter 28 need to utilize admission pipe 29 to be connected in motor 14, so different according to laying, each pipe can be elongated, causes the complicated and cost of matched tube structure to rise.
Summary of the invention
The object of the present invention is to provide a kind of mode that can rise with the complicated and cost that can not cause matched tube structure that the engineering machinery of air filter is set.
Engineering machinery provided by the present invention comprises: lower running body; The top revolving body is equipped on described lower running body with freely rotating; And the operation fixture, be installed on the front portion of described top revolving body.Described top revolving body has upper frame, is arranged at the device space and the driver's cabin of this upper frame and the engine room that is formed at the rear portion of this upper frame.In described engine room, be provided with motor, be arranged in hydraulic pump, the heat interchanger of a side opposite with described hydraulic pump of the left and right sides that is arranged in described engine room and the fan that cools off this heat interchanger of either side of the left and right sides of described engine room.Described driver's cabin be positioned at the place ahead of described engine room and on left and right directions a side identical with described hydraulic pump, the described device space is arranged at a side opposite with described driver's cabin on left and right directions.The air filter that is provided with equipment and consists of the suction system of described motor in this device space, described equipment comprises be used to the operating oil tank of accommodating the working oil that is supplied to described hydraulic pump.Described operating oil tank is arranged at the rear portion of the described device space and the most inboard part on width, and with described driver's cabin adjacency, described air filter is arranged on width than described operating oil tank in the outer part, and by being connected with motor with the admission pipe of engine room across the described device space.
Like this, in engineering machinery involved in the present invention, take allow the device space be positioned on the upper frame, on left and right directions the layout in a side opposite with hydraulic pump and engine room the place ahead as prerequisite, making the operating oil tank that is connected in hydraulic pump and the part that the air filter that is connected in motor is arranged at close engine room in the device space is the rear portion, and operating oil tank is positioned at than air filter in the inner part, thereby suppresses the Len req of suction pipe and admission pipe.Thereby the mode that can rise with the complicated and cost that can not cause matched tube structure is arranged at air filter in the device space, thus, can improve the maintainability of motor and air filter.And air filter is arranged at the outside of the width that touches easily from the outside, therefore, can further improve the maintainability of air filter.
In the present invention, comparatively it is desirable to, observe from the top, described operating oil tank forms a pair of long limit that has toward each other and the rectangle of the pair of short edges shorter than described long limit toward each other and respectively, described air filter forms the tubular with central axis, in the described device space, described operating oil tank is arranged with the state that allows described long edge fore-and-aft direction extend, and described air filter is to allow the mode of described central axis and described long limit quadrature be arranged.Thus, operating oil tank and air filter can suitably be arranged side by side in the width of the device space.In this structure, so that operating oil tank and air filter can suitably be arranged side by side in the width of the device space as prerequisite, shape when described operating oil tank is observed from the top is except allowing it grow the rectangle of limit and minor face quadrature, for example comprise also that though its long limit is non-orthogonal but be similar to rectangular quadrangle with minor face, and the roughly quadrangle that at least one angle in four angles is changed into circular arc for example or excised with straight line.In addition, so that the mode broad ways of the long limit quadrature of the central axis of air filter and operating oil tank arranges air filter and operating oil tank, dwindle thereby can dwindle the space of occupying of air filter on fore-and-aft direction, other equipment (for example fuel tank) can be set thus easily.
In addition, comparatively it is desirable to, described motor has the top that is positioned at this motor and is used for connecting the air entry of described admission pipe, and described air filter is arranged at the top in the described device space, and the described air filter in this device space below spatial placement battery is arranged.Thereby this laying can make the height and position of described air entry and the close Len req that suppresses admission pipe of height and position of described air filter, and realize effectively utilizing the lower side space of air filter, setting was difficult to find out the battery that the position is set with air filter 48 equally in the past easily.
In this case, comparatively it is desirable to, also comprise the inlet box that outer conductance is entered described air filter, wherein this inlet box in the described device space, be arranged at air filter above the position.
Like this, by make inlet box and air filter similarly be arranged at the device space the rear portion so that this inlet box be positioned at this air filter near, can realize simplification and densification for the structure that connects this inlet box and this air filter.
In addition, in the present invention, comparatively it is desirable to, described fan is connected in described motor, with the air amount by this motor driven, between described heat interchanger and described motor, be provided with described fan, so that the air that utilizes this fan to suck cools off described heat interchanger, around this fan, be provided with the guard shield of the air that sucks for this fan of guiding, described admission pipe is laid between described motor and the described air filter in the mode of the second space of the top by the first space between described operating oil tank and the air filter and described guard shield.Thus, described admission pipe can utilize the path of the weak point that does not have obstruction, and the cooling effectiveness of heat interchanger not being caused under the state of harmful effect (for example, not hindering flowing of air by heat interchanger etc.), is laid easily.
As mentioned above, according to the present invention, can provide a kind of mode that can rise with the complicated and cost that can not cause matched tube structure that the engineering machinery of air filter is set.
Description of drawings
Fig. 1 is the top view that schematically shows the laying of each equipment on the upper frame of the related top revolving body of embodiments of the present invention.
Fig. 2 is the part enlarged drawing 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 summary lateral view as the excavator of the example of applicable object of the present invention.
Fig. 6 is the top view of the laying of each equipment on the upper frame that schematically shows in the past.
The specific embodiment
According to Fig. 1 to Fig. 4 embodiments of the present invention are described.
In this embodiment, apply the present invention to described hydraulic crawler excavator shown in Figure 5.That is, the related excavator of this embodiment comprises caterpillar lower running body 1, the operation fixture 3 that can be equipped on pivotally the top revolving body 2 of this lower running body 1 and be installed on this top revolving body 2.Operation fixture 3 comprises swing arm 4, dipper 5, scraper bowl 6 and makes hydraulic cylinder 7,8 that they work respectively, 9 that is hydraulic actuator.Described excavator also comprises: hydraulic pump, and it is to comprising described hydraulic cylinder 7 to 9 at interior a plurality of hydraulic actuator supply working oils, to drive this hydraulic actuator; And control valve, it is between this hydraulic pump and described each hydraulic actuator, with the described working oil described hydraulic actuator that leads.
Replace upper frame 10 shown in Figure 5, driver's cabin 11, counterweight 12 and engine room 13, top revolving body 2 has upper frame shown in Figure 1 30, driver's cabin 31, counterweight 32 and engine room 33.Upper frame 30 is base stations of top revolving body 2, and the part of the either side in the left and right sides of the front portion of this upper frame 30 (being in the present embodiment the left side) arranges described driver's cabin 31, in the rearward end of upper frame 30 described counterweight 32 is set.In addition, at the rear portion of upper frame 30, and than the position of described driver's cabin 31 by the place ahead of rear and counterweight 32, form described engine room 33, in this engine room 33, be provided as the motor 34 of power source.
In described upper frame 30 settings left stringer board 35, right stringer board 36, left clapboard 37, central baffle 38 and right clapboard 39 are set.Fore-and-aft direction along this upper frame 30 on the pars intermedia of left and right sides stringer board 35,36 widths at described upper frame 30 (left and right directions) extends, its length is substantially equal to the length of the fore-and-aft direction of described upper frame 30, and this left and right sides stringer board 35,36 is held a concurrent post the strengthening part of upper frame 30 integral body and the installing component of operation fixture 3.Described each dividing plate 37,38,39 is arranged at the rear portion of upper frame 30 in the mode with described stringer board 35,36 quadratures.
Described dividing plate 37 to 39, described counterweight 32 and Fig. 3 and horizontal side and upside protecting component G shown in Figure 4 form engine room 33, are provided with in this engine room 33: motor 34; Hydraulic pump 40, it is positioned at the left side of this motor 34, and is driven by this motor 34; Cooling fan 41, it is positioned at the right side of motor 34 and is connected in this motor 34, and this cooling fan 41 is by motor 34 rotary actuations; Heat interchanger 42; And guard shield 43.Hydraulic pump 40 is arranged at the end in the left side of motor 34, i.e. in the both ends, the left and right sides of motor 34 and ends described driver's cabin 31 same side.Described fan 41 is arranged between described heat interchanger 42 and the described motor 34, and the air that sucks from the outside by the rotation of this fan 41 is used to cool off described heat interchanger 42.Described guard shield 43 is arranged at the air to guide described fan 41 to suck on every side of this fan 41.
Be the place ahead of right clapboard 39 in the right forward side of described engine room 33, forming device space S 2 is provided with the suction pipe 47 of the control valve (Multigang valve) 46 of work of the fuel tank 44 of the fuel that stores motor 34, the operating oil tank 45 of accommodating the working oil that is supplied to described hydraulic pump 40, control hydraulic actuator and connecting fluid press pump 40 and operating oil tank 45 in this device space S2.
And the air-breathing filtration that this excavator also comprises the suction system that consists of motor 34 is with air filter 48 and the admission pipe 49 that connects this air filter 48 and motor 34.Described air filter 48 is to be arranged among the described device space S2 with described operating oil tank 45 side by side mode on width (left and right directions).Described admission pipe 49 is to be laid across the mode of described device space S2 and described engine room 33.Specifically, on the top of described motor 34 air entry 34a is set, an end of described admission pipe 49 is connected in this air entry 34a.
In this embodiment, the mode that is arranged among the described device space S2 of each equipment 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 rear and close this control valve 46 of control valve 46.Described operating oil tank 45 is positioned at the rear portion of device space S2, namely near the part of engine room 33, and is arranged at the most inboard part on width, with driver's cabin 31 adjacency.Specifically, observe from the top, operating oil tank 45 form a pair of long limit that has toward each other with toward each other and the roughly rectangle on a pair of both sides (minor face) shorter than described long limit, be arranged at the position near driver's cabin 31.Specifically, described long edge fore-and-aft direction extends, this operating oil tank 45 with allow its latter half of rear surface from fuel tank 44 rearward outstanding mode rearward be offset with respect to fuel tank 44, and this operating oil tank 45 is configured to be equipped on the state on the right stringer board 36.
Described air filter 48 forms the tubular (for example cylindric) with central axis, be positioned at the rear of fuel tank 44 and on width than operating oil tank 45 in the outer part.And, this air filter 48 is to allow the state of long limit quadrature of its central axis and described operating oil tank 45, and with state that the height and position of the air entry 34a that is arranged at as described above motor 34 tops is complementary be arranged in the device space S2 top (as shown in Figure 3 and Figure 4, on this top, want retaining space between air filter 48 and the top protecting component G).In addition, such as Fig. 2 and shown in Figure 4, between the face 45a in the width outside of the face 48a of the width inboard of air filter 48 and operating oil tank 45, be formed with the clearance C of width.
In this embodiment, described heat interchanger 42 has and described fan 41 air-breathing back (left surface) 42a in opposite directions, shown in the straight line L among Fig. 2, to allow this air-breathing back 42a with the mode that the face 48a of the width inboard of air filter 48 roughly aligns this air filter 48 is set on width.In addition, in Fig. 4, the profile of the described operating oil tank 45 of observing from the rear represents with heavy line.
First space of described admission pipe 49 by being equivalent to the clearance C between described operating oil tank 45 and the described air filter 48 and the second space of the top of described guard shield 43 are laid between the air entry 34a of described air filter 48 and described motor 34.In other words, the laying of described each equipment realizes comprising described the first space and second space are laid the pipe arrangement space 50 (only Fig. 4 marks Reference numeral) of described admission pipe 49 in interior being used for formation, the admission pipe 49 that is connected in described air filter 48 utilizes from described air filter 48 towards the path air entry 34a on described motor 34 tops, be viewed as the L font from the top, is laid in the described pipe arrangement space 50.
And as shown in Figure 3 and Figure 4, described laying is implemented in the inlet box 52 that battery 51 can be set among the device space S2 and outer conductance be entered air filter 48.Particularly, as previously mentioned, by air filter 48 being arranged at the top of device space S2, below air filter 48, be formed with the space, described battery 51 is arranged at this space, and described inlet box 52 is to be arranged at the space of the top that is retained in air filter 48 with the close mode of this air filter 48.
In this excavator, as previously mentioned, take device space S2 is arranged on the upper frame 30, on left and right directions the place ahead of a side opposite with hydraulic pump 40 and engine room 33 as prerequisite, operating oil tank 45 and air filter 48 are arranged side by side in the rear portion of device space S2 at width, and described operating oil tank 45 is positioned at than described air filter 48 in the inner part at width, thereby can suppresses the Len req of suction pipe 47 and admission pipe 49.Thereby the mode that can rise with the complicated and cost that can not cause matched tube structure is arranged at air filter 48 among the device space S2, thus, can improve both maintainabilitys of motor 34 and air filter 48.In addition, described air filter 48 is arranged at the outside of the width that touches easily from the outside, therefore, can further improve the maintainability of air filter 48.
And, can obtain following effect by this embodiment.
(1) in device space S2, overlook and be rectangular operating oil tank 45 roughly and arranged to allow its long edge the state that fore-and-aft direction extends, and, the air filter 48 of tubular is to allow the mode of long limit quadrature of its central axis and described operating oil tank 45 be arranged, so described operating oil tank 45 and air filter 48 can suitably be arranged side by side in the width of device space S2.
(2) so that the long limit quadrature of the central axis of air filter 48 and operating oil tank 45 and allow this air filter 48 and this operating oil tank 45 side by side mode on width, this air filter 48 and this operating oil tank 45 is set, on fore-and-aft direction, occupy the space thereby can dwindle air filter 48, other equipment (for example fuel tank 44) can be set thus easily.
(3) by the top at the device space S2 air filter 48 is set, can makes the height and position of this air filter 48 close with the height and position of the air entry 34a that is located at motor 34 tops, therefore, can suppress the Len req of admission pipe 49.And, by this air filter 48 being arranged at the top of described device space S2, can below this air filter 48, be formed for arranging the space of battery 51.That is, can effectively utilize the lower side space of air filter 48, setting was difficult to find out the battery 51 that the position is set with air filter 48 equally in the past easily.
(4) because of above the air filter 48 in being located at the described device space S2 inlet box 52 being set, this air filter 48 and the syndeton of this inlet box 52 simplify, densification so can make.
(5) be formed with the pipe arrangement space 50 that comprises the first space and second space, wherein the first space is 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 the air-breathing back side of heat interchanger 42, namely between heat interchanger 42 and motor 34, described admission pipe 49 is laid in described pipe arrangement space 50, and be connected in motor 34 and air filter 48, therefore, admission pipe 49 can utilize the path of the weak point that does not have obstruction, and cause harmful effect (for example at the cooling effectiveness to heat interchanger 42 not, do not hinder flowing of air by heat interchanger 42 etc.) state under, laid easily.
The present invention is not limited to the above embodiment that has illustrated.For example opposite with described embodiment, the present invention also can be applied to the right front portion that driver's cabin 31 is arranged at upper frame 30, and device space S2 is arranged at the left front section of upper frame 30, and hydraulic pump 40 is arranged at the excavator on the right side of motor 34.In addition, the present invention can also be applied to excavator engineering machinery in addition.
Claims (5)
1. engineering machinery is characterized in that comprising:
Lower running body;
The top revolving body is equipped on described lower running body with freely rotating; And
The operation fixture is installed on the front portion of described top revolving body, wherein,
Described top revolving body has upper frame, is arranged at the device space and the driver's cabin of this upper frame and the engine room that is formed at the rear portion of this upper frame,
In described engine room, be provided with motor, be arranged in hydraulic pump, the heat interchanger of a side opposite with described hydraulic pump of the left and right sides that is arranged in described engine room and the fan that cools off this heat interchanger of either side of the left and right sides of described engine room
Described driver's cabin is positioned at the place ahead of described engine room and a side identical with described hydraulic pump on left and right directions, the described device space is arranged at a side opposite with described driver's cabin on left and right directions, the air filter that in this device space, is provided with equipment and consists of the suction system of described motor, described equipment comprises be used to the operating oil tank of accommodating the working oil that is supplied to described hydraulic pump
Described operating oil tank is arranged at the rear portion of the described device space and the most inboard part on width, and with described driver's cabin adjacency,
Described air filter is arranged on width than described operating oil tank in the outer part, and by being connected with motor with the admission pipe of engine room across the described device space.
2. engineering machinery according to claim 1 is characterized in that:
Observe from the top, described operating oil tank forms a pair of long limit that has toward each other and the rectangle of the pair of short edges shorter than described long limit toward each other and respectively,
Described air filter forms the tubular with central axis,
In the described device space, described operating oil tank is arranged with the state that allows described long edge fore-and-aft direction extend, and described air filter is to allow the mode of described central axis and described long limit quadrature be arranged.
3. engineering machinery according to claim 1 is characterized in that:
Described motor has the top that is positioned at this motor and the air entry that is used for connecting described admission pipe,
Described air filter is arranged at the top in the described device space, and the described air filter in this device space below spatial placement battery is arranged.
4. engineering machinery according to claim 3 characterized by further comprising:
Inlet box enters described air filter with outer conductance, wherein,
Described inlet box in the described device space, be arranged at air filter above the position.
5. each described engineering machinery in 4 according to claim 1 is characterized in that:
Described fan is connected in described motor, with the air amount by this motor driven,
Between described heat interchanger and described motor, be provided with described fan, so that the air that utilizes this fan to suck cools off described heat interchanger,
Around described fan, be provided with the guard shield of the air that sucks for this fan of guiding,
Described admission pipe is laid between described motor and the described air filter in the mode of the second space of the top by the first space between described operating oil tank and the air filter and described guard shield.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011-202977 | 2011-09-16 | ||
| JP2011202977A JP5810784B2 (en) | 2011-09-16 | 2011-09-16 | Construction machinery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102995671A true CN102995671A (en) | 2013-03-27 |
| CN102995671B 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) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110626992A (en) * | 2018-06-22 | 2019-12-31 | 维德曼有限公司 | Work vehicle with electric energy accumulator |
Families Citing this family (1)
| 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 |
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 | Mounting structure of filter for cooler of construction machine |
| 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 active Active
-
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 | Mounting structure of filter for cooler of construction machine |
| CN101688383A (en) * | 2007-06-26 | 2010-03-31 | 日立建机株式会社 | construction machine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110626992A (en) * | 2018-06-22 | 2019-12-31 | 维德曼有限公司 | Work vehicle with electric energy accumulator |
| CN110626992B (en) * | 2018-06-22 | 2023-04-25 | 维德曼有限公司 | Work vehicle with electric energy storage |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5810784B2 (en) | 2015-11-11 |
| CN102995671B (en) | 2016-08-03 |
| JP2013064256A (en) | 2013-04-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104818742B (en) | Engineering machinery | |
| JP5234693B2 (en) | Construction machinery | |
| JP5160668B2 (en) | Excavator | |
| US20140301816A1 (en) | Construction machine | |
| CN101376338B (en) | Machine having cooling system and method | |
| US20170058485A1 (en) | Hybrid work vehicle | |
| CN101780762A (en) | Construction machine | |
| US9988790B2 (en) | Working machine | |
| CN102995671A (en) | Engineering machinery | |
| JPWO2016104817A1 (en) | Cooling device and work vehicle equipped with the same | |
| JP7133413B2 (en) | construction machinery | |
| JP2014122496A (en) | Work machine | |
| JP4183584B2 (en) | Construction machine cooling system | |
| US20200282823A1 (en) | Work machine | |
| EP4194242A1 (en) | Cooling device for construction machine | |
| JP2008296615A (en) | Construction machine | |
| JP6549895B2 (en) | Heat exchanger unit | |
| JP7272944B2 (en) | work vehicle | |
| JP2020157895A (en) | Work vehicle | |
| WO2021131734A1 (en) | Work machine | |
| EP4375428A1 (en) | Work machine | |
| EP4299839A1 (en) | Electric work machine | |
| JP2009155906A (en) | Fuel cooling device of construction machine | |
| JP6810082B2 (en) | Construction machinery | |
| JP5960024B2 (en) | Exhaust equipment for construction machinery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160803 Termination date: 20210914 |