CN102995694A - Engineering machinery - Google Patents
Engineering machinery Download PDFInfo
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- CN102995694A CN102995694A CN2012103489167A CN201210348916A CN102995694A CN 102995694 A CN102995694 A CN 102995694A CN 2012103489167 A CN2012103489167 A CN 2012103489167A CN 201210348916 A CN201210348916 A CN 201210348916A CN 102995694 A CN102995694 A CN 102995694A
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- oil tank
- operating oil
- control valve
- upper frame
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- 239000002828 fuel tank Substances 0.000 claims abstract description 43
- 239000000446 fuel Substances 0.000 claims description 4
- 239000003921 oil Substances 0.000 description 69
- 230000003321 amplification Effects 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
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Abstract
The invention provides an engineering machinery, comprising a lower walking body, an upper rotating body and an operation auxiliary device. The upper rotating body comprises an upper frame, a driver cab on the left or right part of the front part of the upper frame, and an engine compartment formed on the rear part of the upper frame. An engine and a hydraulic pump are arranged inside the engine compartment. On the upper frame, a fuel tank, a working oil tank and a control valve are disposed in an equipment space at the side opposite to the driver cab in the left-right direction. The control valve is disposed at the most front side, and the fuel tank and the working oil tank are arranged along the width direction, wherein the fuel tank is located at an inner side relative to the fuel tank. Compared with the position of the working oil tank relative to the control value, the position of the fuel tank is closer to the control value. A space for a return pipe is formed in front of the working oil tank, and a space for arranging a carrying bench is formed in front of the space for a return pipe. In this way, the fuel tank, the working oil tank, the control valve and the carrying bench are reasonably arranged in the equipment space.
Description
Technical field
The present invention relates to the engineering machinery such as excavator, it comprises the top revolving body with upper frame, at this top revolving body hydraulic pump, operating oil tank and control valve is set.
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 form engine room 13, in this engine room 13, be provided with motor 14 and be arranged at the left side of this motor 14 and the hydraulic pump 20 that is driven by this motor 14.
Be formed with device space S1 at described upper frame 10.This device space S1 is positioned at than described engine room 13 on the front and than driver's cabin 11 on the right side, and is covered by not shown protecting component.In this device space S1, the fuel tank 21 of the fuel of storage motor 14 arranges in tandem mode with the operating oil tank 22 as the working oil source of supply.And, below driver's cabin 11, be provided with the control valve (Multigang valve) 23 (with reference to Japanese Patent Publication communique JP 2001-279712 number) of the work of control hydraulic actuator.
At this, " 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, still 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.
In described device space S1, other the equipment such as air filter is set at the rear of described operating oil tank 22.On the other hand, right side at the upper frame leading section, the place ahead and the mechanical arranged outside that are device space S1 have mounting table 24, and the various things (hereinafter referred to as " article ") that barrel cage, tool box, material, equipment that accommodates lubricating grease etc. can pick and place are arranged at this mounting table 24.In addition, hydraulic pump 20 is connected by suction pipe 25 with operating oil tank 22.
In aforesaid engineering machinery in the past, because mounting table 24 is located at the outside of this project machinery, and load article thereon, so might produce the stolen, stained of this barrel cage.In order to prevent described situation, when not using engineering machinery, article need to be moved to the inside (for example in the driver's cabin) of the incorporating section that can lock, the time and labor that this measure cost is unnecessary, but also might forget movement.
About this point, described device space S1 is is usually opened and closed by the panel of open and close type and locks, so as long as mounting table 24 can be arranged in this device space S1, can address the above problem.Comparatively it is desirable in addition, with control valve 23 also from pipe arrangement, safeguard aspect the driver's cabin of inconvenience be moved in the device space S1.At this moment, the forefront that mounting table 24 and control valve 23 all is arranged at device space S1 is advisable.Its reason is, in order to pick and place easily the article that load on mounting table 24, mounting table 24 is positioned at the position of touching from the outside easily and is advisable, and, in order to shorten the actuator pipes that is connected with hydraulic actuator for control valve 23 and the operation fixture of the front portion that is positioned at engineering machinery, be advisable in the position that this control valve 23 is arranged at the front side as much as possible.
But, as shown in Figure 6, be provided with in the engineering machinery in the past of operating oil tank 22 at the rear of fuel tank 21, when wish is arranged at the forefront of device space S1 with control valve 23, because fuel tank 21 is between this control valve 23 and operating oil tank 22, so this fuel tank 21 becomes obstacle, connect the layout difficult of the loopback pipe (flexible pipe that for example has flexible) of control valve 23 and operating oil tank 22.
For fear of the problems referred to above, can consider transposing before and after the position of fuel tank 21, operating oil tank 22 is about to the front side that operating oil tank 22 is arranged at fuel tank 21, there was following difficult point but should lay.At first, suction pipe 25 is elongated.The second because operating oil tank 22 is too close each other with control valve 23 (being both loopback mouths accurately), so the sweep of loopback pipe forwards significantly stretch out, thereby the space in obstruction casing the place ahead.Thereby be considered to arrange in the front portion of the device space S1 mounting table 24 and control valve 23 both are actually difficulty in the past.
Summary of the invention
The object of the present invention is to provide a kind of engineering machinery, position with the driver's cabin opposition side in the place ahead of engine room and on left and right directions is provided with the device space, in this device space, the mounting table that can fuel tank, operating oil tank, control valve are set and be used for the mounting article by rational laying.
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; Driver's cabin, it is arranged at the part of the either side in the left and right sides of front portion of this upper frame; And engine room, it is formed at the rear portion of upper frame.In described engine room, be provided with the hydraulic pump of the end of the either side in the both ends of the motor that extends along left and right directions and the left and right directions that is arranged at this motor.On described upper frame, the part with described driver's cabin opposition side in the place ahead of described engine room and on left and right directions is provided with the device space, is provided with in this device space: fuel tank, and it stores the fuel of described motor; Operating oil tank, it accommodates the working oil that is supplied to described hydraulic pump; Control valve, its control comprise hydraulic actuator that described operation fixture uses in the work of interior a plurality of hydraulic actuators; The loopback pipe, it connects described operating oil tank and described control valve; And mounting table, be used for mounting article (for example, accommodating the various things that the barrel cage, tool box, material, equipment etc. of lubricating grease can pick and place).In described fuel tank, operating oil tank and control valve, described control valve is arranged at front side, at the rear of this control valve, described fuel tank and operating oil tank are arranged along the width of upper frame, and described operating oil tank is positioned at than described fuel tank in the inner part at this width.Described fuel tank is compared with respect to the position of described control valve with described operating oil tank, is arranged at the position of more close described control valve, in the place ahead of described operating oil tank, is formed be used to the effective space of the loopback that described loopback pipe is set.More being formed with mounting table the space is set in the position in the place ahead than the effective space of described loopback and described loopback pipe, arrange in this mounting table described mounting table is set in the space.
In this project machinery, control valve in fuel tank, operating oil tank and the control valve is arranged at front side, at its rear, fuel tank and operating oil tank are arranged along the width of upper frame, and operating oil tank is positioned at than fuel tank in the inner part at this width, be made as the basis with this cloth, form the effective space of loopback (between operating oil tank and control valve, being kept for arranging the suitable distance of loopback pipe) in the place ahead of operating oil tank, can suppress thus loopback pipe stretching out forwards.Thus, can guarantee that mounting table arranges the space in the place ahead of loopback pipe.In other words, can mounting table be set in the place ahead of operating oil tank, contain placing articles in the device space.
This project machinery also can also comprise the suction pipe that connects described operating oil tank and hydraulic pump.In this case, the position by the operating oil tank in described fuel tank, operating oil tank, the control valve being arranged at rear side, namely near the position of engine room, the distance of this operating oil tank and hydraulic pump diminishes, and therefore, can suppress the length of described suction pipe.In addition, comparatively it is desirable to, be arranged in the situation of a side identical with described driver's cabin on the left and right directions at hydraulic pump, described operating oil tank is arranged at the most inboard position on the width of described upper frame in the described device space.The length that also can suppress thus described suction pipe.
On the other hand, comparatively it is desirable to, described mounting table is arranged at the leading section of the described device space.The laying that is provided with mounting table at the leading section of the device space like this is best suited for the keeping of the parts that need to pick and place from the outside as barrel cage.
In addition, engineering machinery involved in the present invention can also comprise actuator pipes, and this actuator pipes will comprise the hydraulic actuator that described operation fixture uses and be connected with described control valve at interior a plurality of hydraulic actuators.In this case, comparatively it is desirable to, be formed at the described device space with the space with described mounting table the adjacent mode in space to be set on the width of described upper frame for the actuator pipes that described actuator pipes is set, the below of described mounting table is formed with and is communicated in the pipe arrangement space that described actuator pipes is used the space.So, below mounting table, form the pipe arrangement space that is connected with the space with the actuator pipes in control valve the place ahead, this structure can be guaranteed the curved space of the pipe (for example flexible pipe) that links to each other with control valve, for example realizes not using elbow' and only consisting of this pipe by flexible pipe.Thus, the structure of actuator pipes is simplified, reduce the pipe arrangement cost, and can reduce the pressure loss by omitting described elbow'.
As mentioned above, according to the present invention, can provide a kind of in the place ahead of engine room and on left and right directions, be provided with the engineering machinery of the device space with the position of driver's cabin opposition side, in this device space, the mounting table that can fuel tank, operating oil tank, control valve are set and be used for the mounting article by rational laying.
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 II-II line amplification view of Fig. 1.
Fig. 3 is the III-III line amplification view of Fig. 1.
Fig. 4 is the summary stereogram of the related top revolving body integral body of described embodiment.
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, 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 this 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, be formed with 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 not shown horizontal side protecting component and upside protecting component form engine room 33, in this engine room 33, and the hydraulic pump 40 that is provided with motor 34 and is driven by this motor 34.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.
Be formed with device space S2 at described upper frame 30.This device space S2 be formed on described engine room 33 the right forward side, be the place ahead of right clapboard 39, in this device space S2, be provided with: fuel tank 41, it stores the fuel of motor 34; Operating oil tank 42, it accommodates the working oil of being drawn by described hydraulic pump 40; Control valve (Multigang valve) 43, the work of its control hydraulic actuator; Loopback pipe 45, it connects operating oil tank 42 and control valve 43; And actuator pipes 46, connect control valve 43 and comprise hydraulic actuator that the operation fixture uses at interior a plurality of hydraulic actuators.In addition, described hydraulic pump 40 is connected by suction pipe 44 with described operating oil tank 42.
In described fuel tank 41, described operating oil tank 42 and described control valve 43, control valve 43 is positioned at front side, rear at this control valve 43, fuel tank 41 and operating oil tank 42 are arranged along the width (left and right directions) of upper frame 3, and operating oil tank 42 is positioned at than fuel tank 41 in the inner part at this width.Specifically, control valve 43 is arranged with the mode in space (the first pipe arrangement space) 47 to be the front portion of the device space S2 actuator pipes that is formed for arranging actuator pipes 46 in its place ahead.Fuel tank 41 is with the rear that is positioned at this control valve 43 and near the mode of this control valve 43 (forming small gap between fuel tank 41 and control valve 43, or the mode that seamlessly contacts of fuel tank 41 and control valve 43) setting.Operating oil tank 42 rearward be offset with respect to fuel tank 41 to allow the front of this operating oil tank 42 be positioned at than the front of described fuel tank 41 mode by the rear, and is equipped on the right stringer board 36 in the position of the right flank of close driver's cabin 31.
Described operating oil tank 42 has intake 42a and loopback mouth 42b as depicted in figs. 1 and 2.Intake 42a is arranged at the rear portion of operating oil tank 42 and is positioned at than the keep left bottom surface of part of side of right stringer board 36, and loopback mouth 42b is arranged at the leading section of operating oil tank 42 and is positioned at front than the part of right stringer board 36 top sides.Described suction pipe 44 is connected in this intake 42a and this suction port 40a in the mode between the suction port 40a of described intake 42a and described hydraulic pump 40, and described loopback pipe 45 is connected in this loopback mouth 42b and this box mouth 43a in the mode between the box mouth 43a of described loopback mouth 42b and described control valve 43.In addition, described intake 42a also can be arranged at the rear end face of operating oil tank 42, and described loopback mouth 42b also can be arranged at the bottom surface of the front portion of operating oil tank 42.
Described operating oil tank 42 is arranged on respect to described fuel tank 41 position moved of lateral deviation backward, thus, such as Fig. 1, Fig. 2 and shown in Figure 4, be formed for arranging the effective space of loopback (the second pipe arrangement space) 48 of described loopback pipe 45 in the place ahead of this operating oil tank 42.Described loopback pipe 45 passes the effective space 48 of described loopback to overlook the state that is L word sigmoid, is disposed between the front of the front of operating oil tank 42 and control valve 43.The length of the effective space 48 of described loopback on fore-and-aft direction, can be with the distance between operating oil tank 42 and the control valve 43 (accurately, the distance of the fore-and-aft direction between loopback mouth 42b and the box mouth 43a) remain the length of suitable distance, particularly, suitably distance refers to, can realize loopback pipe (for example flexible pipe) thus 43 disposed the distance that makes loopback pipe (for example flexible pipe) 43 stretching out forwards become minimum (0 or close to 0 small quantity) with the state that bends to approximate right angle.So, guarantee to suppress the effective space 48 of loopback of the sweep overhang forwards of loopback pipe 45 in operating oil tank the place ahead, mounting table that this place ahead (the left side forefront of device space S2) that can be implemented in this loopback pipe 45 forms as depicted in figs. 1 and 2 arranges space 49, namely with described actuator pipes with adjacent space, space 47.
Arrange in the space 49 in described mounting table, the centre that the mounting table 51 that is used for mounting article 50 is arranged at short transverse is the position of section on the lower, below this mounting table 51, be formed with the pipe arrangement space 52 (with reference to Fig. 2, Fig. 3) that is communicated in actuator pipes usefulness space 47.That is, to allow their form the forefront that the mode that is the continuous space of L word shape from top view is arranged at device space S2, actuator pipes 46 is pipe arrangement in passing the path of this continuous space with space 47 and pipe arrangement space 52 for actuator pipes.In addition, in Fig. 1 and Fig. 2, only represent to use towards the operation fixture of fixture via the fixture installation portion 53 of upper frame front end from described continuous space in the described actuator pipes pipe of hydraulic actuator.In addition, the front portion of described device space S2 (comprising the part that control valve 43, the first pipe arrangement space 47, the second pipe arrangement space 48, mounting table arrange space 49, mounting table 51 and pipe arrangement space 52) by not shown protecting component from the top, side and the place ahead cover, wherein the protecting component of front side is constituted as and can opens and closes maybe and can load and unload at least.
In addition, the top on the right side of the operating oil tank 42 in described device space S2 is provided for filtering the air filter 54 (in Fig. 1 with shown in the double dot dash line) of the air inlet of motor 34.In addition, though not shown, but below this air filter 54 the spatial placement battery, and inlet box and this air filter 54 that outer conductance enters air filter 54 closely be arranged in the space of the top that is retained in air filter 54.
The excavator related according to this embodiment, the fuel tank 41 that is being arranged at device space S2, operating oil tank 42, in the control valve 43, control valve 43 is positioned at front side, at its rear, fuel tank 41 and operating oil tank 42 are arranged along the width of upper frame 30, and operating oil tank 42 is positioned at than fuel tank 41 in the inner part at this width, based on this, form the effective space 48 of loopback (distance that between operating oil tank 42 and control valve 43, keeps appropriateness) in the place ahead of operating oil tank 42, thus, the sweep that can suppress loopback pipe 45 stretching out forwards guarantees that in the place ahead of this loopback pipe 45 mounting table arranges space 49.Thus, mounting table 51 can be set in the place ahead of operating oil tank 42, in this device space S2, article 50 be loaded on this mounting table 51.
And, in this embodiment, operating oil tank 42 in fuel tank 41, operating oil tank 42 and the control valve 43 is arranged at rear side, thus namely near engine room 33 close to hydraulic pump 40, so can suppress to connect the length of this operating oil tank 42 and the suction pipe 44 of hydraulic pump 40.
In addition, described mounting table 51 is arranged at leading section and the inside part on the upper frame width of device space S2, and the laying of this mounting table 51 is suitable for the keeping of the parts that need to pick and place from the outside as barrel cage.
In addition, because operating oil tank 42 is arranged at the most inboard on the width of upper frame 30 in device space S2, so as shown in the figure, even hydraulic pump 40 be arranged on the left and right directions with the situation of device space S2 opposition side (namely with driver's cabin 31 identical a side) under, also can suppress the length of suction pipe 44.The pipe arrangement cost can be significantly reduced thus, and good pump negative pressure performance can be guaranteed.
And, described operating oil tank 41 is arranged on the right stringer board 36, is provided with intake 42a than the keep left bottom surface of part of side of this right stringer board 36 in this operating oil tank 41, therefore, need not on right stringer board 36 perforate and suction pipe 44 is passed wherein, become easy so that comprise the pipe distribution operation of hole processing.
In addition, described mounting table 51 is arranged at mounting table in the mode that thereunder forms the pipe arrangement space 52 that is communicated with space 47 with actuator pipes space 49 is set, therefore, can utilize this pipe arrangement space 52 to guarantee in order to make actuator pipes 46 crooked required sufficient spaces.Thus, for example realize not using elbow' (elbow pipe) and only consisting of actuator pipes 46 by flexible pipe, thereby tubular structure is simplified, reduce the pipe arrangement cost, and reduce the pressure loss by omitting described elbow' etc.
The present invention is not limited to the above embodiment that has illustrated, for example also comprises following such embodiment.
Described operating oil tank 42 is arranged on the right stringer board 36 in said embodiment, but also can be same with conventional art shown in Figure 6, is arranged at than right stringer board 36 on the right side.
In addition, in the present invention, also can be opposite with described embodiment, driver's cabin 31 is arranged at right front portion, and device space S2 is arranged at left front section, and hydraulic pump 40 is arranged at the right side of motor 34.
In addition, engineering machinery involved in the present invention is not limited to excavator, also can be other the engineering machinery of taking to lay with the same frame for movement of excavator and machinery.
Claims (6)
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; Driver's cabin, it is arranged at the part of the either side in the left and right sides of front portion of this upper frame; And engine room, it is formed at the rear portion of upper frame,
In described engine room, be provided with the hydraulic pump of the end of the either side in the both ends of the motor that extends along left and right directions and the left and right directions that is arranged at this motor,
On described upper frame, the part with described driver's cabin opposition side in the place ahead of described engine room and on left and right directions is provided with the device space, is provided with in this device space: fuel tank, and it stores the fuel of described motor; Operating oil tank, it accommodates the working oil that is supplied to described hydraulic pump; Control valve, its control comprise hydraulic actuator that described operation fixture uses in the work of interior a plurality of hydraulic actuators; The loopback pipe, it connects described operating oil tank and described control valve; And mounting table, be used for the mounting article,
In described fuel tank, operating oil tank and control valve, described control valve is arranged at front side, and at the rear of this control valve, described fuel tank and operating oil tank are arranged along the width of upper frame, described operating oil tank is positioned at than described fuel tank in the inner part at this width
Described fuel tank is compared with respect to the position of described control valve with described operating oil tank, is arranged at the position of more close described control valve, in the place ahead of described operating oil tank, be formed be used to the effective space of the loopback that described loopback pipe is set,
More being formed with mounting table the space is set in the position in the place ahead than the effective space of described loopback and described loopback pipe, arrange in this mounting table described mounting table is set in the space.
2. engineering machinery according to claim 1 characterized by further comprising the suction pipe that connects described operating oil tank and hydraulic pump.
3. engineering machinery according to claim 2, it is characterized in that: in described fuel tank, described operating oil tank and described control valve, described operating oil tank is arranged at the position of rear side.
4. engineering machinery according to claim 2 is characterized in that:
Described hydraulic pump is arranged at a side identical with described driver's cabin on left and right directions,
Described operating oil tank is arranged at the most inboard position on the width of described upper frame in the described device space.
5. engineering machinery according to claim 1, it is characterized in that: described mounting table is arranged at the leading section of the described device space.
6. each described engineering machinery in 5 according to claim 1 characterized by further comprising:
Actuator pipes will comprise the hydraulic actuator that described operation fixture uses and be connected with described control valve at interior a plurality of hydraulic actuators, wherein,
Be formed at the described device space with the space on the width of described upper frame, with described mounting table the adjacent mode in space to be set for the actuator pipes that described actuator pipes is set,
The below of described mounting table is formed with and is communicated in the pipe arrangement space that described actuator pipes is used the space.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011-202976 | 2011-09-16 | ||
| JP2011202976A JP2013064255A (en) | 2011-09-16 | 2011-09-16 | Construction machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102995694A true CN102995694A (en) | 2013-03-27 |
| CN102995694B CN102995694B (en) | 2016-12-21 |
Family
ID=47924749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210348916.7A Expired - Fee Related CN102995694B (en) | 2011-09-16 | 2012-09-14 | Engineering machinery |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2013064255A (en) |
| CN (1) | CN102995694B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103958783A (en) * | 2013-05-08 | 2014-07-30 | 株式会社小松制作所 | Operation vehicle |
| CN105986590A (en) * | 2015-03-20 | 2016-10-05 | 住友建机株式会社 | Small rotational excavator |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5914402B2 (en) * | 2013-03-28 | 2016-05-11 | 日立建機株式会社 | Excavator |
| JP7166202B2 (en) | 2019-02-28 | 2022-11-07 | 日立建機株式会社 | construction machinery |
| WO2025013632A1 (en) * | 2023-07-07 | 2025-01-16 | コベルコ建機株式会社 | Work machine |
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| JP2004169465A (en) * | 2002-11-21 | 2004-06-17 | Komatsu Ltd | Equipment arrangement structure of hybrid construction machinery |
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| CN101105037A (en) * | 2006-07-12 | 2008-01-16 | 神钢建设机械株式会社 | Construction machine |
| CN101595284A (en) * | 2007-06-26 | 2009-12-02 | 日立建机株式会社 | self-propelled construction machinery |
| JP2011063988A (en) * | 2009-09-17 | 2011-03-31 | Kobelco Contstruction Machinery Ltd | Construction machine |
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| CN103958783A (en) * | 2013-05-08 | 2014-07-30 | 株式会社小松制作所 | Operation vehicle |
| CN103958783B (en) * | 2013-05-08 | 2016-02-10 | 株式会社小松制作所 | Working truck and the method that can travel |
| CN105986590A (en) * | 2015-03-20 | 2016-10-05 | 住友建机株式会社 | Small rotational excavator |
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| Publication number | Publication date |
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| JP2013064255A (en) | 2013-04-11 |
| CN102995694B (en) | 2016-12-21 |
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