CN101780762A - Construction machine - Google Patents
Construction machine Download PDFInfo
- Publication number
- CN101780762A CN101780762A CN200910177611A CN200910177611A CN101780762A CN 101780762 A CN101780762 A CN 101780762A CN 200910177611 A CN200910177611 A CN 200910177611A CN 200910177611 A CN200910177611 A CN 200910177611A CN 101780762 A CN101780762 A CN 101780762A
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- China
- Prior art keywords
- heat
- exchanger rig
- mentioned
- frame
- casing
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/08—Superstructures; Supports for superstructures
- E02F9/0858—Arrangement of component parts installed on superstructures not otherwise provided for, e.g. electric components, fenders, air-conditioning units
- E02F9/0866—Engine compartment, e.g. heat exchangers, exhaust filters, cooling devices, silencers, mufflers, position of hydraulic pumps in the engine compartment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/40—Special vehicles
- B60Y2200/41—Construction vehicles, e.g. graders, excavators
- B60Y2200/412—Excavators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
- F01P11/10—Guiding or ducting cooling-air, to, or from, liquid-to-air heat exchangers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P5/00—Pumping cooling-air or liquid coolants
- F01P5/02—Pumping cooling-air; Arrangements of cooling-air pumps, e.g. fans or blowers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/5806—Cooling the drive system
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Component Parts Of Construction Machinery (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The invention relates to a construction machine, which is object to provides a construction machine which can improve the working performance during vertical body assembling, by providing a practical room on the machine frame without setting new component. The inventive construction machine configures that a first heat exchanger is bias to the left side a rotation machine frame, a second heat exchanger is bias to the left side of the rotation machine frame and is configured at the front side of the first heat exchanger with a gap. Therefore, a practical room is provided in a space in the fore and after direction of the first heat exchanger and the second heat exchanger. As the practical room can form the existing first heat exchanger and the second heat exchanger as partitioning surface in fore and after direction, so that the practical room can be simply formed on the rotation machine frame without newly adding partition plate and the like.
Description
Technical field
The present invention relates to for example as suitable construction machinery and equipment such as hydraulic excavator, hydraulic lift.
Background technology
Generally speaking, comprise as the hydraulic excavator of construction machinery and equipment: bottom driving body that can be voluntarily, can carry the top revolution on this bottom driving body with circling round, and can face upward the apparatus for work that is arranged on the front side of this top revolution with bowing motion.
In addition, the top revolution possesses: the frame of circling round that constitutes supporting structure, be arranged on the front side of this frame of circling round and the operator's compartment that the operator takes, lift-launch is at the rear side of the above-mentioned frame of circling round and drive the driving engine of Hydraulic Pump, and starts to be configured in the heat-exchanger rig of an opposite side of above-mentioned Hydraulic Pump across this.
And heat-exchanger rig comprises: for example by the cooling fan of engine drive rotation, and the radiator of the cooled engine cooling water expansion tank that is oppositely arranged with this cooling fan; The oil cooler of cooling work oil, and cooling (contractions) by blwr intensification (expansion) the heat exchanger of air-breathing intercooler etc.
In addition, hydraulic excavator carries out operation under hi-heat environment, or under the situation about excessively having used, has the danger that only can not cool off fluid mobile in these three heat exchangers of radiator, intercooler and oil cooler with a cooling fan efficiently.
So, in hydraulic excavator, adopted following structure: constitute first heat-exchanger rig by radiator, intercooler with to the cooling fan that their supply with the driving engine of cooling air, on the other hand, by oil cooler with in order to supply with cooling air and to be constituted second heat-exchanger rig by the cooling fan of motor driven to this oil cooler, and these two heat-exchanger rigs are arranged on structure on the frame of circling round (for example, with reference to patent documentation 1: TOHKEMY 2000-130161 communique).
The occasion of this hydraulic excavator, driving engine carries at the rear side of frame that circles round with horizontal state, and first heat-exchanger rig is configured in for example left side of driving engine.And second heat-exchanger rig is configured in the front side of first heat-exchanger rig.
Yet, in the hydraulic excavator of above-mentioned prior art, be provided with the practical chamber of the instrument etc. of consumable store such as being used to hold grease, maintenance usefulness.But, the occasion of practical chamber is being set, must reset separator of battery plates etc. in order to form multiduty spatial accommodation.Therefore, the parts increase of the separator of battery plates of the practical chamber of existence formation etc., the problem of assembling operation reduction and so on.
Summary of the invention
The present invention is exactly the technical scheme that proposes in view of above-mentioned prior art problems, the object of the present invention is to provide a kind ofly to need not to be provided with new parts practical chamber just can be set on frame, thereby can improve the construction machinery and equipment of assembling operation.
According to construction machinery and equipment of the present invention, possess: the frame that forms the supporting structure of car body, lift-launch is on this frame and drive the driving engine of Hydraulic Pump, be positioned near this driving engine and be arranged on the above-mentioned frame and, be arranged on the above-mentioned frame dividually with this first heat-exchanger rig and cool off second heat-exchanger rig of heated fluid by the cooling fan that is driven motor driven by cooled off first heat-exchanger rig of heated fluid by this engine-driven cooling fan; And cover above-mentioned driving engine, first heat-exchanger rig, second heat-exchanger rig and the hatch lid that is provided with.
And, in order to solve the above problems, the architectural feature that the invention of scheme 1 is adopted is, above-mentioned first heat-exchanger rig is with respect to keep left the partially side configuration of right of above-mentioned frame, above-mentioned second heat-exchanger rig is with respect to the side of above-mentioned frame at left and right directions, and on fore-and-aft direction, leave with gap configuration with above-mentioned first heat-exchanger rig, the space that is formed at the fore-and-aft direction between above-mentioned first heat-exchanger rig and second heat-exchanger rig is formed as practical chamber.
The structure that the invention of scheme 2 is adopted is, go up above-mentioned first, second heat-exchanger rig at least by using front panel, rear panel, top panel to form the casing of box shape, with be contained in this casing and the heat exchanger of the fluid that circulation should be cooled constitutes, above-mentioned practical chamber is the space that is formed between the casing of the casing of above-mentioned first heat-exchanger rig and second heat-exchanger rig.
The structure that the invention of scheme 3 is adopted is that the bottom panel of its downside of sealing is set in above-mentioned practical chamber.
The structure that the invention of scheme 4 is adopted is that the structure by the side door switching of above-mentioned hatch lid is made in above-mentioned practical chamber.
The structure that the invention of scheme 5 is adopted is, above-mentioned frame comprises: base plate, forwards, backwards direction be arranged on with extending on this base plate about stringer board, stringer board about this to the left and right direction be provided with stretching out about stretch out beam, and direction is arranged on the side frame about beam outstanding distolateral of stretching out about this with extending forwards, backwards; Stringer board about above-mentioned driving engine leap is above-mentioned is configured on the left and right directions, above-mentioned first heat-exchanger rig and above-mentioned driving engine form a line the ground alignment arrangements between the side frame of the stringer board of left and right directions one side and a side, above-mentioned second heat-exchanger rig is between the side frame of the stringer board of a side of left and right directions and a side, and leave the front side that is configured in first heat-exchanger rig with gap, above-mentioned practical chamber is formed between the back of the front of above-mentioned first heat-exchanger rig and above-mentioned second heat-exchanger rig.
Effect of the present invention is as follows.
Invention according to scheme 1, by second heat-exchanger rig is left on the fore-and-aft direction that is configured in first heat-exchanger rig with gap, thereby the space that is formed at the fore-and-aft direction between first heat-exchanger rig and second heat-exchanger rig can be formed as the practical chamber that can hold article.
Its result need not to append again other parts such as separator of battery plates and just can easily form practical chamber on frame, therefore can suppress the increase of parts and improve assembling operation.
Invention according to scheme 2, heat exchanger is contained in first, second heat-exchanger rig of using front panel, rear panel, top panel to form to form in the casing of box shape can between the rear panel of the casing of the front panel of the casing of first heat-exchanger rig and second heat-exchanger rig, forms the space, this space can be used as practical chamber.
According to the invention of scheme 3, by the bottom panel of downside of the practical chamber of sealing is set, thereby can on this bottom panel, carry and hold grease etc. consumable store, maintain the instrument of usefulness etc.
According to the invention of scheme 4, just can open wide practical chamber by the side door of opening hatch lid, thereby can take out or put into the consumable store of grease etc., the instrument that maintenance is guaranteed etc.
According to the invention of scheme 5, can utilize the space between the side frame of the stringer board of a side of left and right directions and a side, first heat-exchanger rig, second heat-exchanger rig and practical chamber are set.
Description of drawings
Fig. 1 is the front view that expression is applicable to the hydraulic excavator of embodiments of the present invention.
Fig. 2 amplifies the stereoscopic figure that the hydraulic excavator of apparatus for work has been omitted in expression under the state of the left surface door of having opened hatch lid.
Fig. 3 omits operator's compartment to wait the amplification plan view of representing the top revolution.
Fig. 4 is with monomer represent the to circle round stereoscopic figure of frame.
Fig. 5 is illustrated in the assembling stereogram of first heat-exchanger rig and second heat-exchanger rig being installed on the frame of circling round and having been formed the state of practical chamber.
Fig. 6 is the exploded perspective view with the state representation of having decomposed circle round frame and first heat-exchanger rig, second heat-exchanger rig, bottom panel.
Fig. 7 amplifies the being seen stereoscopic figure of first heat-exchanger rig from the left side.
Fig. 8 amplifies the being seen stereoscopic figure of first heat-exchanger rig from the right side.
Fig. 9 amplifies the being seen stereoscopic figure of second heat-exchanger rig from the left side.
Figure 10 amplifies the being seen stereoscopic figure of second heat-exchanger rig from the right side.
Among the figure:
1-hydraulic excavator (construction machinery and equipment), 2-bottom driving body (car body), 4-top revolution (car body), 5-apparatus for work, the 6-frame of circling round, the 7-base plate, 8-left side stringer board, the right stringer board of 9-, 10-stretches out beam in a left side, 11-stretches out beam in the right side, 12-left side frame, 13-right side frame, the 15-operator's compartment, 17-driving engine, 17A, the 29-cooling fan, the 18-Hydraulic Pump, 21-first heat-exchanger rig, 22, the 26-casing, 22A, the 26A-front panel, 22B, the 26B-rear panel, 22C, the 26C-top panel, 23-radiator (heat exchanger), 24-intercooler (heat exchanger), 25-second heat-exchanger rig, 27-oil cooler (heat exchanger), 28-CD-ROM drive motor, 30-hatch lid, the last face shield of 30A-, 30B, 30C-left surface door, 30D-car bonnet, 31-bottom panel, the practical chamber of 32-, the gap of A-first heat-exchanger rig and second heat-exchanger rig.
The specific embodiment
Below, as the construction machinery and equipment of embodiments of the present invention, be example with the crawler hypraulic excavator, at length describe according to Fig. 1 to Figure 10.
In Fig. 1, Fig. 2, mark 1 is the crawler hypraulic excavator as construction machinery and equipment, and this hydraulic excavator 1 roughly comprises: bottom driving body 2 that can be voluntarily, can carry with circling round on this bottom driving body 2 and constitute the top revolution 4 of car body and can face upward the apparatus for work 5 that is arranged on the front side of this top revolution 4 with bowing motion and carries out the digging operation etc. of native sand with this bottom driving body 2 by revolving gear 3.
Mark 6 is the frames of circling round of top revolution 4, and this frame 6 of circling round constitutes as the car body frame that is made of supporting structure.And, the frame of circling round 6 is as Fig. 3, shown in Fig. 4 etc., as firm supporting structure by following each component set-up, that is: forwards, backwards direction extend constitute and be equipped with the base plate 7 of revolving gear 3 by thick-wall flat board, leaving predetermined distance at left and right directions is erected to be arranged on this base plate 7 and the left stringer board 8 that extends of direction forwards, backwards, right stringer board 9, stretch out beam 10 in a plurality of left sides of stretching out setting, side left from this left side stringer board 8, stretch out beam 11 in a plurality of right sides of stretching out setting, side to the right from above-mentioned right stringer board 9, be fastened on above-mentioned each left side and stretch out the left side frame 12 of the cross section D type of the outstanding distolateral of beam 10 and direction extension forwards, backwards, be fastened on above-mentioned each right side and stretch out the outstanding distolateral of beam 11 and the right side frame 13 of the cross section D type that extends of direction forwards, backwards, and be positioned at the left side of left stringer board 8 and be arranged on the operator's compartment support portion 14 of base plate 7 and the left toe lateral of left side frame 12.
Here, a left side is stretched out beam 10 and is stretched out beam 10A～10E by five left sides that extend through rear side from the front side and leave the compartment of terrain configuration of hope and constitute.And the right side is stretched out beam 11 and is stretched out beam 11A～11E by five right sides that extend through rear side from the front side and leave the compartment of terrain configuration of hope and constitute.
In addition, on the frame 6 of circling round, for example from the front side second left side stretch out beam 10B and the 3rd left side stretched out between the beam 10C, direction is provided with two beam parts 10F with extending forwards, backwards, beam 10D is stretched out and an aftermost left side is stretched out between the beam 10E in the 4th left side from the front side, and direction is provided with a beam parts 10G with extending forwards, backwards.And, on two beam parts 10F of the pars intermedia that is positioned at fore-and-aft direction, second heat-exchanger rig 25 described later is installed, first heat-exchanger rig 21 described later is installed on the beam parts 10G of rear side.
Have again, about the forward position of stringer board 8,9 on apparatus for work 5 is installed, on rearward position, be equipped with driving engine 17 described later.And, on operator's compartment support component 14, be equipped with operator's compartment 15.
Secondly, the various device class of carrying on the frame 6 of circling round that constitutes is as described above described.
At first, mark 15 is the operator'ies compartment that carry on the operator's compartment support portion 14 of the front left side that is positioned at the frame 6 of circling round.This operator's compartment 15 is used to take the operator, and portion is equipped with the driver's seat that the operator takes one's seat, the control lever of the usefulness of travelling, (all not shown) such as control lever that operation is used within it.
Mark 16 is arranged on the counterweight at the rear portion of the frame 6 of circling round, and this counterweight 16 is the parts that are used to obtain with the weight balancing of apparatus for work 5, the rearward end of the stringer board 8,9 about being installed in.
Mark 17 expressions are positioned at the front side of counterweight 16 and are arranged on the driving engine (with reference to Fig. 3) at the rear portion of the frame 6 of circling round.This driving engine 17 with the horizontal state of the stringer board 8,9 about crossing over and with the vibrationproof state carry about the rearward position of stringer board 8,9.And, be provided with cooling fan 17A by the engine-driven of this driving engine 17 driven in rotation in the left side of driving engine 17.
On the other hand, be provided with the blwr 17B (turbocharger) that air-breathing flow is increased on driving engine 17, this blwr 17B is connected with the intercooler 24 of first heat-exchanger rig 21 described later.And, on the right side of driving engine 17, the Hydraulic Pump 18 that is used for to the supply pressure oil such as actuator of apparatus for work 5 is installed.
Mark 19 expression is positioned at the front side of Hydraulic Pump 18 and carries operating oil tank on the right side of the right stringer board 9 of the frame 6 of circling round, mark 20 expressions in abutting connection be configured in the Fuel Tank of the front side of this operating oil tank 19.
Secondly, during to use fluid heating in hydraulic excavator 1, two heat-exchanger rigs that are provided with in order to cool off this fluid describe.
Mark 21 is that expression is positioned at first heat-exchanger rig (with reference to Fig. 3) that is arranged on the left side of driving engine 17 with being arranged into row on the frame 6 of circling round.This first heat-exchanger rig 21 be used to become launched machine 17 heating of the fluid that should cool off engine cooling water, be pressurized device 17B heating air-breathing (aspirated air) interchange of heat and they are cooled off.And first heat-exchanger rig 21 roughly comprises casing 22 described later, radiator 23, intercooler 24 etc. as Fig. 7, shown in Figure 8.
Mark 22 is the casings that constitute the profile of first heat-exchanger rig 21, and this casing 22 surrounds radiator 23 described later and intercooler 24, makes the flow direction of cooling air become left and right directions.Specifically, casing 22 forms the casing shape by following each several part, that is: to the left and right directions extension of the frame 6 of circling round and the front panel 22A that erects, leaving the position of given size and the rear panel 22B that this front panel 22A almost parallel ground is provided with from front panel 22A to rear side, top panel 22C between the top of the above-mentioned front panel 22A of the ground connection of direction extension forwards, backwards and the top of rear panel 22B, and the right panel 22D that is arranged on the right side that becomes driving engine 17 sides of above-mentioned front panel 22A, rear panel 22B, top panel 22C.And, in right panel 22D upper shed and be formed with the fan housting 22E of the cooling fan 17A that is used for folding and unfolding driving engine 17.And casing 22 is as Fig. 5, shown in Figure 6, with bolt to a left side that is positioned at rear side stretch out beam 10D, 10E, beam parts 10G fixes.
Mark 23 is to be arranged on the radiator as heat exchanger in the casing 22 in the mode relative with cooling fan 17A, and this radiator 23 is configured in the forward side in the casing 22.And radiator 23 is structure parts of the heated engine cooling water of cooling, is connected with the water collar of driving engine 17.
Mark 24 is the intercoolers as heat exchanger that are positioned at casing 22 and arrange the rear side that is arranged on radiator 23.This intercooler 24 be by blwr 17B cooling (contractions) intensification (expansion) air-breathing and make the parts of its return engine 17.This intercooler 24 is connected the suction side of blwr 17B and driving engine 17.
Here, first heat-exchanger rig, 21 green phases for the frame 6 of circling round partially by the left side of the side that becomes left and right directions, thereby and driving engine 17 be configured in side by side between left stringer board 8 and the left side frame 12 with forming a line.And first heat-exchanger rig 21 drives the cooling fan 17A of driving engine 17 by rotation, sucks cooling air and the radiator to casing 22 in 23, intercooler 24 supplies from the outside of hatch lid 30, can cool stream through the fluid of these parts.
Mark 25 expressions and first heat-exchanger rig 21 are arranged on second heat-exchanger rig on the frame 6 of circling round dividually.This second heat-exchanger rig 25 is configured between left stringer board 8 and the left side frame 12 with bigger gap A (with reference to Fig. 3, Fig. 5), and the front side of first heat-exchanger rig 21.This occasion, the back side of second heat-exchanger rig 25 and operator's compartment 15 increases gap A in abutting connection with configuration as much as possible.Like this, between second heat-exchanger rig 25 and first heat-exchanger rig 21, form practical chamber 32 described later.And second heat-exchanger rig 25 is to become the parts that the interchange of heat of the heated power fluid of the fluid that should cool off cools off.And second heat-exchanger rig 25 roughly comprises casing 26 described later, oil cooler 27 etc. as Fig. 9, shown in Figure 10.
Mark 26 is the casings that constitute the profile of second heat-exchanger rig 25.The casing 22 of this casing 26 and first heat-exchanger rig 21 roughly similarly surrounds oil cooler 27 described later, make the flow direction of cooling air become left and right directions, and form the casing shape by front panel 26A, rear panel 26B, top panel 26C, right panel 26D, be formed with fan housting 26E on its right panel 26D upper shed ground.On the other hand, on casing 26, plate 26A and rear panel 26B are provided with motor framework 26F are installed in front (right side) in the outside that is positioned at right panel 26D.And casing 26 is as Fig. 5, shown in Figure 6, with bolt to a left side that is positioned at pars intermedia stretch out beam 10B, 10C, each beam parts 10F fixes.
Mark 27 is the oil coolers as heat exchanger that are arranged on to the direction extension forwards, backwards in the casing 26, and this oil cooler 27 is configured in the forward side in the casing 26.And, the parts of the oil cooler 27 hi-heat power fluid that to be coolings return to operating oil tank 19 from the actuator of bottom driving body 2, revolving gear 3, apparatus for work 5 etc.
Mark 28 is mounted in the CD-ROM drive motor that motor is installed electro-motor on the framework 26F, HM Hydraulic Motor etc.In addition, mark 29 is represented and the cooling fan of the motro drivien that the right side of oil cooler 27 relatively is provided with.This cooling fan 29 is installed on the S. A. of CD-ROM drive motor 28, by being driven in rotation in fan housting 26E, thereby supplies with cooling airs to oil cooler 27.
Here, second heat-exchanger rig 25 by partially by the position of the back side of operator's compartment 15, promptly become the left side of a side of left and right directions with respect to rotary frame 6, thereby between left stringer board 8 and left side frame 12, be configured in back side adjoining position with operator's compartment 15.Therefore, second heat-exchanger rig 25 can dispose discretely with first heat-exchanger rig 21, can guarantee bigger gap A in the front side of this first heat-exchanger rig 21.This gap A makes at the front panel 22A of the casing 22 that constitutes first heat-exchanger rig 21 and constitutes between the rear panel 26B of casing 26 of second heat-exchanger rig 25, has the maintenance that can guarantee to hold for example consumable store such as grease, waste cotton yarn, various spanner, grease gun etc. with the part of instrument etc. or the size of more space.
And second heat-exchanger rig 25 is by driving cooling fans 29 by CD-ROM drive motor 28 rotations, thereby can attract cooling air from the outside of hatch lid 30 and supply to oil cooler 27 in the casing 26, and cool stream is through the power fluid of this this oil cooler 27.
Here, left surface door 30B, the 30C of front and back can open when carrying out the maintenance operation such as cleaning, inspection, repairing of first heat-exchanger rig 21, second heat-exchanger rig 25 as shown in Figure 2.And, under the state of having opened the left surface door, can open practical chamber 32 described later to the outside, article can be put into this practicality chamber 32 or 32 take out from this practicality chamber.
Secondly, with reference to Fig. 2, Fig. 3, Fig. 5 etc. the multiduty practical chamber 32 with instrument such as the maintenance of the consumable store that are used for holding grease, waste cotton yarn etc. on top revolution 4, various spanner, grease gun etc. is described.
In Fig. 2, mark 32 expression the left side of top revolution 4 and be arranged on first heat-exchanger rig 21 and second heat-exchanger rig 25 between practical chamber.This practicality chamber 32 is made of front panel 22A that is formed at the casing 22 that constitutes first heat-exchanger rig 21 and the space that constitutes the fore-and-aft direction between the rear panel 26B of casing 26 of second heat-exchanger rig 25.And the upside of practical chamber 32 is by the last face shield 30A sealing of hatch lid 30, and downside is by bottom panel 31 sealings.
Like this, practical chamber 32 can hold more article efficiently, and forms and take out convenient good rectangular-shaped space such as the user that puts into operation, can be at bottom panel 31 mounting article.Also have,, can enumerate the maintenance instrument of the consumable store of grease, waste cotton yarn etc., various spanner, grease gun etc., the parts of replacing usefulness etc. as an example of the article that are contained in practical chamber 32.
Here, as front and back that form practical chamber 32 and division surface up and down, the front side is the rear panel 26B of the casing 26 of formation second heat-exchanger rig 25, and rear side is the front panel 22A of the casing 22 of formation first heat-exchanger rig 21, upside is the last face shield 30A of hatch lid 30, and downside is a bottom panel 31.And the left surface door 30B, the 30C that pass on left hatch lid 30 of practical chamber 32 can seal with opening and closing.
Therefore, practical chamber 32 is by utilizing existing first heat-exchanger rig 21, second heat-exchanger rig 25, hatch lid 30, bottom panel 31 etc. as division surface, thereby need not to append again miscellaneous parts such as separator of battery plates, can be formed at simply on the frame 6 of circling round.And practical chamber 32 utilizes the left surface door 30B, the 30C that are provided with in order to maintain first heat-exchanger rig 21 and second heat-exchanger rig 25 to open and close.
The hydraulic excavator 1 of present embodiment has aforesaid structure, below the action of this hydraulic excavator 1 is described.
At first, the operator takes in operator's compartment 15 and occupies driver's seat.By operational drive control lever under this state, thereby can drive the bottom driving body and hydraulic excavator 1 is advanced or retreat.And, be seated at the control lever that the operator on the driver's seat uses by operation task, thereby can make 5 actions of revolving gear 3 and apparatus for work and carry out the digging operation etc. of native sand.
In addition, during hydraulic excavator 1 work, by made cooling fan 17A rotation by driving engine 17, radiator 23, the intercooler 24 of first heat-exchanger rig 21 in casing 22 supplied with cooling air, can cool off the fluid that flows in these parts.
On the other hand, second heat-exchanger rig 25 rotates by make cooling fan 29 with CD-ROM drive motor 28, thereby the oil cooler in casing 26 27 is supplied with cooling airs, can cool off the mobile power fluid of portion within it.And second heat-exchanger rig 25 is by being configured in the back side of operator's compartment 15 in abutting connection with ground, thus can guarantee to be used for and first heat-exchanger rig 21 between the bigger gap A of the practical chamber 32 of formation.
Therefore, according to present embodiment, by first heat-exchanger rig 21 is disposed by the left side of the frame 6 of circling round partially, second heat-exchanger rig 25 is configured in the front side of first heat-exchanger rig 21 by the left side of the frame 6 of circling round and with gap A greatly partially, thereby can utilizes the space of the fore-and-aft direction between the casing 26 of the casing 22 that is formed at above-mentioned first heat-exchanger rig 21 and second heat-exchanger rig 25 that practical chamber 32 is set.Therefore, when forming practical chamber 32, the rear panel 26B of the casing 26 of the front panel 22A of the casing 22 of first heat-exchanger rig 21 that all the time exists, second heat-exchanger rig 25 can be utilized as the division surface of fore-and-aft direction.
Its result, other parts that practical chamber 32 need not to append again separator of battery plates etc. just can be formed on the frame 6 of circling round simply, therefore can suppress parts and increase and improve assembling operation.
In addition, the front side of practical chamber 32 is the rear panel 26B of the casing 26 of formation second heat-exchanger rig 25, and rear side is the front panel 22A of the casing 22 of formation first heat-exchanger rig 21, and upside is the last face shield 30A of hatch lid 30, and downside is a bottom panel 31.Thus, practical chamber 32 can hold more article efficiently, and can form and take out the good rectangular-shaped spaces of ease of use such as putting into operation, can improve operating efficiency.
In addition, because the bottom panel 31 that will seal the downside of practical chamber 32 is arranged on the frame 6 of circling round, so bottom panel 31 can be placed and be contained in to grease, maintenance with the article of instrument etc.
Have again,, therefore can easily take out or put into article, can improve operation by opening and closing existing left surface door 30B, 30C because practical chamber 32 can open and close by left surface door 30B, the 30C of hatch lid 30.
Also have, in embodiment, first heat-exchanger rig 21, second heat-exchanger rig 25 and practical chamber 32 are that example is illustrated with the situation in the left side that is configured in the frame 6 of circling round.But the present invention is not limited thereto, and for example, also can adopt the structure that first heat-exchanger rig 21, second heat-exchanger rig 25 and practical chamber 32 is configured in the right side of the frame 6 of circling round.
In addition, in embodiment, bottom panel 31 has adopted a left side that is fixed by bolts to the frame 6 of circling round to stretch out structure on beam 10C, the 10D.But the present invention is not limited thereto, and for example, also can adopt with bolt and bottom panel is fixed on structure on the casing of each heat-exchanger rig.
Having, in embodiment, as construction machinery and equipment, is that example is illustrated with the hydraulic excavator 1 that possesses crawler-mounted bottom driving body 2 again.But the present invention is not limited thereto, and also can be applied to for example possess the hydraulic excavator of wheeled bottom driving body.Other construction machinery and equipment that can also be widely used in addition, hydraulic lift, wheel type loader etc.
Claims (5)
1. construction machinery and equipment, possess: the frame that forms the supporting structure of car body, lift-launch is on this frame and drive the driving engine of Hydraulic Pump, be positioned near this driving engine and be arranged on the above-mentioned frame and, be arranged on the above-mentioned frame dividually with this first heat-exchanger rig and cool off second heat-exchanger rig of heated fluid by the cooling fan that is driven motor driven by cooled off first heat-exchanger rig of heated fluid by this engine-driven cooling fan; And cover above-mentioned driving engine, first heat-exchanger rig, second heat-exchanger rig and the hatch lid that is provided with; It is characterized in that,
Above-mentioned first heat-exchanger rig is with respect to keep left the partially side configuration of right of above-mentioned frame,
Above-mentioned second heat-exchanger rig is with respect to the side of above-mentioned frame at left and right directions, and leaves configuration with gap with above-mentioned first heat-exchanger rig on fore-and-aft direction,
The space that is formed at the fore-and-aft direction between above-mentioned first heat-exchanger rig and second heat-exchanger rig is formed as practical chamber.
2. construction machinery and equipment according to claim 1 is characterized in that,
Above-mentioned first, second heat-exchanger rig constitutes by using front panel, rear panel, top panel to form the casing of box shape and being contained in this casing heat exchanger interior and fluid that circulation should be cooled at least,
Above-mentioned practical chamber is the space that is formed between the casing of the casing of above-mentioned first heat-exchanger rig and second heat-exchanger rig.
3. construction machinery and equipment according to claim 1 is characterized in that,
The bottom panel of its downside of sealing is set in above-mentioned practical chamber.
4. construction machinery and equipment according to claim 1 is characterized in that,
The structure by the side door switching of above-mentioned hatch lid is made in above-mentioned practical chamber.
5. construction machinery and equipment according to claim 1 is characterized in that,
Above-mentioned frame comprises: base plate, forwards, backwards direction be arranged on with extending on this base plate about stringer board, stringer board about this to the left and right direction be provided with stretching out about stretch out beam, and direction is arranged on the side frame about beam outstanding distolateral of stretching out about this with extending forwards, backwards;
Stringer board about above-mentioned driving engine leap is above-mentioned is configured on the left and right directions,
Above-mentioned first heat-exchanger rig and above-mentioned driving engine form a line the ground alignment arrangements between the side frame of the stringer board of left and right directions one side and a side,
Above-mentioned second heat-exchanger rig and leaves the front side that is configured in first heat-exchanger rig with gap between the side frame of the stringer board of a side of left and right directions and a side,
Above-mentioned practical chamber is formed between the back of the front of above-mentioned first heat-exchanger rig and above-mentioned second heat-exchanger rig.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009-009954 | 2009-01-20 | ||
| JP2009009954A JP2010168739A (en) | 2009-01-20 | 2009-01-20 | Construction machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101780762A true CN101780762A (en) | 2010-07-21 |
Family
ID=42520953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910177611A Pending CN101780762A (en) | 2009-01-20 | 2009-09-24 | Construction machine |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2010168739A (en) |
| KR (1) | KR20100085820A (en) |
| CN (1) | CN101780762A (en) |
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| CN103189573A (en) * | 2010-11-05 | 2013-07-03 | 日立建机株式会社 | Working machine |
| CN104594429A (en) * | 2013-10-31 | 2015-05-06 | 神钢建机株式会社 | Work machine |
| CN105492699A (en) * | 2014-02-24 | 2016-04-13 | 日立建机株式会社 | Construction machine |
| CN105793495A (en) * | 2013-11-12 | 2016-07-20 | 卡特彼勒Sarl | Construction machine |
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| JP6150169B2 (en) * | 2013-09-25 | 2017-06-21 | 井関農機株式会社 | Working part structure of work vehicle |
| JP6220726B2 (en) * | 2014-04-28 | 2017-10-25 | 株式会社日立建機ティエラ | Small excavator |
| JP6495193B2 (en) | 2016-01-20 | 2019-04-03 | 株式会社日立建機ティエラ | Small construction machinery |
| JP7329434B2 (en) * | 2019-12-23 | 2023-08-18 | 株式会社小松製作所 | working machine |
| JP7341067B2 (en) * | 2020-01-09 | 2023-09-08 | 日立建機株式会社 | Dump truck |
| CN115366659A (en) * | 2021-05-17 | 2022-11-22 | 本田技研工业株式会社 | Heat exchanger for vehicle |
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Also Published As
| Publication number | Publication date |
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| JP2010168739A (en) | 2010-08-05 |
| KR20100085820A (en) | 2010-07-29 |
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Application publication date: 20100721 |