CN100408767C - Construction mechanism - Google Patents
Construction mechanism Download PDFInfo
- Publication number
- CN100408767C CN100408767C CNB2004101016272A CN200410101627A CN100408767C CN 100408767 C CN100408767 C CN 100408767C CN B2004101016272 A CNB2004101016272 A CN B2004101016272A CN 200410101627 A CN200410101627 A CN 200410101627A CN 100408767 C CN100408767 C CN 100408767C
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- CN
- China
- Prior art keywords
- air filter
- cover body
- air
- outer mounting
- concave part
- 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.)
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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
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K11/00—Arrangement in connection with cooling of propulsion units
- B60K11/02—Arrangement in connection with cooling of propulsion units with liquid cooling
- B60K11/04—Arrangement or mounting of radiators, radiator shutters, or radiator blinds
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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
- F01P11/12—Filtering, cooling, or silencing cooling-air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/042—Controlling the temperature of the fluid
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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
Abstract
The purpose of this invention is to heighten the workability in performing the work for inspecting contamination of a dustproof net and the work for cleaning the contaminated dustproof net. An upper dustproof net 22 is removably fitted to a recessed part 20B provided on the outside surface 20A of a right upper surface cover 20 using a bolt 25, and a lower dustproof net 26 is removably fitted to a recessed part 21B provided on the outside surface 21A of a right lower surface cover 21 using a bolt 29. Thus, the contamination degrees of the upper dustproof net 22 and the lower dustproof net 26 can be easily inspected from the outer surfaces of the right upper surface cover 20 and the right lower surface cover 21. Further, only the upper dustproof net can be removed from the right upper surface cover 20, and only the lower dustproof net 26 can be removed from the right lower surface cover 21, whereby in cleaning the contaminated upper dustproof net 22 and lower dustproof net 26, the work efficiency can be heightened.
Description
Technical field
The present invention relates to a kind of for example hydraulic crawler excavator, particularly relate to a kind of building machinery with heat interchanger of radiator, oil cooler etc.
Background technology
Usually, building machinery such as hydraulic crawler excavator, hydraulic crane by the lower running body that can walk certainly, can be arranged on top revolution on this lower running body with circling round, the operating means that is arranged on the pitching the carried out action on this top revolution constitutes.
In addition, the top revolution has into the support that circles round of supporting structure usually, include the motor that is arranged on this support and by the hydraulic press of this engine-driven hydraulic pump, the heat interchanger of the action oil of the cooling water of cooled engine and/or hydraulic press, from the outer mounting cover body of outer side covers motor, hydraulic press and heat interchanger, the Air Filter that the dust of supplying with in the cooling air of heat interchanger is caught.
At this, heat interchanger constitutes by emit the oil cooler that cools off this action oil etc. in cooling air by the heat of the heat of the cooling water of motor being emitted the radiator that cools off this cooling water and the action oil by will supplying with hydraulic press in cooling air usually.
In addition, Air Filter is caught by the dust of sneaking in the cooling air that will supply with heat interchanger and is prevented that these dusts are attached to the Air Filter of radiator etc.Therefore, Air Filter is looked from the direction that cooling air flows, and is positioned at the upstream side of heat interchanger, and is arranged in the outer mounting cover body (for example with reference to Patent Document 1: TOHKEMY 2001-12246 communique).
, the Air Filter of above-mentioned conventional art and radiator together are arranged in the outer mounting cover body.For this reason, in the inspection operation of the pollution situation of checking the Air Filter of catching dust etc., pull down the occasion of cleaning operation that the Air Filter of pollution cleans etc., in case need to open the outer mounting cover body, exist and carry out the problem that inspection is operated, the operability when cleaning operation reduces of these Air Filters relatively.
In addition, in the less extra small Clothoid type hydraulic crawler excavator in so-called rear of the radius of gyration of the rearward end of top revolution, the counterweight of rearward end that is arranged on the top revolution is as much as possible near motor or heat interchanger setting.For this reason, Air Filter is because of in the narrow space that is arranged on surroundings, exist in this narrow space Air Filter relatively hot interchanger is installed, the problem of the operability difference when pulling down.
Summary of the invention
The present invention has overcome the problem of above-mentioned conventional art, and its purpose is to provide a kind of building machinery that can improve in the operation of checking the Air Filter pollution situation, operability when cleaning the operation etc. of Air Filter of pollution.
The present invention who solves the problems of the technologies described above, be applicable to support with supporting structure, include the motor that is arranged on this support and by the hydraulic press of this engine-driven hydraulic pump, the heat interchanger that the action oil of the cooling water of described motor and/or described hydraulic press is cooled off, cover the outer mounting cover body of described motor, hydraulic press and heat interchanger and will supply to the building machinery of the Air Filter that the dust in the cooling air in the described heat interchanger caught.
And first aspect present invention is characterised in that, adorns outside to be provided with the air entry that sucks cooling air with the opposed position of heat interchanger in the cover body, and Air Filter removably covers air entry from the outside of outer mounting cover body.
A second aspect of the present invention is, the lateral surface of adorning cover body outside is provided with towards the recessed to the inside lower concave part of heat interchanger, and air entry is arranged in this lower concave part, and Air Filter is installed on this lower concave part with the state that covers air entry.
A third aspect of the present invention is, air entry is arranged at the many places of outer mounting cover body, and Air Filter is made of a plurality of Air Filters of the air entry that covers these many places respectively.
A fourth aspect of the present invention is that Air Filter uses bolt or the relative outer mounting cover body of mount pin removably to install.
According to a first aspect of the invention, because the air entry that passes through the outer mounting cover body by means of the Air Filter on the lateral surface that is installed to the outer mounting cover body, can be caught the dust of sneaking in the cooling air when heat interchanger sucks cooling air.At this moment, Air Filter can easily be checked the operation of the pollution situation of Air Filter from the outside of outer mounting cover body owing to can removably be covered with air entry from the outside of outer mounting cover body.In addition, owing to the outer mounting cover body is being installed under the state of bracket side, can easily only take off Air Filter from the outside of this outer mounting cover body, the Air Filter that can take off pollution easily cleans operation.
According to a second aspect of the invention, because adorning the lateral surface of cover body outside is provided with towards the recessed to the inside lower concave part of heat interchanger, become the structure that Air Filter is installed on this lower concave part, can Air Filter be arranged in the stepped recessed lower concave part from the lateral surface (surface) of outer mounting cover body.Thus, it is outstanding from the lateral surface of outer mounting cover body to suppress Air Filter reliably, can suppress this Air Filter and be subjected to the damage due to interfering such as the obstruction that exists around the building machinery.
According to a third aspect of the invention we, because air entry is arranged at the many places of outer mounting cover body, Air Filter is made of a plurality of Air Filters of the air entry that covers these many places respectively, can clean a plurality of Air Filters respectively according to its degree of contamination, can improve the operability of the cleaning operation of these Air Filters relatively.
According to a forth aspect of the invention, because Air Filter uses bolt or the relative outer mounting cover body of mount pin removably to install, in when cleaning, can easily carry out from the outer mounting cover body take off the operation of Air Filter and will clean after Air Filter be installed on operation on the outer mounting cover body.
Description of drawings
Fig. 1 is the front view that the hydraulic crawler excavator of the embodiment of the invention is shown;
Fig. 2 is for seeing the vertical view of hydraulic crawler excavator from the top;
Fig. 3 is the front view that the amplification of heat interchanger among Fig. 1, upper right side mask body, upside Air Filter, lower right sides cover body, downside Air Filter etc. is shown;
Fig. 4 is the sectional view that heat interchanger, upper right side mask body, upside Air Filter, lower right sides cover body, downside Air Filter etc. are looked along the arrow IV-IV direction of Fig. 3;
Fig. 5 illustrates the major part sectional view that a portion among Fig. 4 amplifies;
Fig. 6 is for only illustrating the decomposition diagram of upper right side mask body, upside Air Filter;
Fig. 7 is for only illustrating the decomposition diagram of lower right sides cover body, downside Air Filter;
Fig. 8 illustrates the sectional view variation of using mount pin that upside Air Filter, downside Air Filter are installed, that amplify with the same major part of Fig. 5.
The specific embodiment
Below, with reference to Fig. 1～Fig. 8 explain building machinery of the present invention be applicable to hydraulic crawler excavator the time, be the embodiment of example with it.
Among the figure, 1 is hydraulic crawler excavator, this hydraulic crawler excavator 1 roughly by the caterpillar lower running body 2 that can walk certainly, can be loaded into top revolution 3 on this lower running body 2 with circling round, the operating means 4 that is arranged on the pitching the carried out action of these top revolution 3 anterior sides constitutes.
Top revolution 3 roughly by the support 5 that circles round that becomes supporting structure, will be arranged on operator on this support 5 that circles round driver's seat 6 in place, cover the canopy 7 of this driver's seat from the top, the rearward end that is arranged on the support 5 that circles round constitutes to obtain with the counterweight 8 of the weight balancing of operating means 4, motor described later 9, hydraulic pump 10, heat interchanger 11, outer mounting cover body 16 etc.
At this, top revolution 3 is in order to make its radius of gyration less, and looking from the top roughly forms circle, and counterweight 8 is provided with near motor 9 as much as possible., adorn outside in the cover body 16 for this reason, taking in compactly mutually near various machine classes such as the motor under the state 9, heat interchangers 11.
In addition, the base plate 5A that the support 5 that circles round is roughly formed by the steel plate that uses wall thickness etc., uprightly on this base plate 5A be provided with and constitute to the left and right sides stringer board (not shown) that extends, in the stringer board of the left and right sides, become the operating means frame support bracket 5B that supports operating means 4 from the outstanding position of base plate 5A towards front and back.In addition, just as shown in Figure 3 and Figure 4, be provided with the radiator support platform 5C of supporting radiator 12 described later in the rear portion side of base plate 5A.
9 for being positioned at the front side of counterweight 8 and being arranged on motor on the support 5 that circles round, and this motor 9 is to be provided with under the horizontal state that extends at left and right directions.And motor 9 rotates cooling fan 14 described later when driving hydraulic pump 10 described later.
10 is the hydraulic pump as hydraulic press that is arranged on the left end side of motor 9, this hydraulic pump 10 is by being driven by motor 9, to be arranged on the lower running body 2 walking with hydraulic motor (not shown), be arranged on the usefulness of circling round on the top revolution 3 hydraulic motor (not shown), be arranged on the hydraulic crawler excavators such as hydraulic cylinder 1 on the operating means 4 the various hydraulic unit drivers of mounting and supplying with action oily (pressure oil).At this, the aforementioned hydraulic machine also comprises directional control valve, action fuel tank, conduit under fluid pressure etc. except above-mentioned hydraulic pump 10, various hydraulic unit driver.
11 for being positioned at the right-hand member side of motor 9 and being arranged on heat interchanger on the support 5 that circles round, and this heat interchanger 11 is made of radiator 12 described later, oil cooler 13 etc.
12 is the radiator of cooled engine cooling water, and this radiator 12 is supported platform 5C supporting by the radiator that is arranged on support 5 rear portion side of circling round as shown in Figure 4.At this, radiator 12 is by being fixed to framework 12A that radiator supports platform 5C to go up and extend along the vertical direction, having by this framework 12A and keep and the runner pipe of circulation engine cooling water and the heat unit 12B of a plurality of heat release fans, the upside that is arranged on heat unit 12B and the top box 12C that is communicated with the runner pipe of this heat unit 12B, the downside that is arranged at heat unit 12B and the nowel 12D that is communicated with the runner pipe of this heat unit 12B constitute.
And, the top box 12C of radiator 12 is connected with the cooling jacket (not shown) of motor 9 with nowel 12D, radiator 12 will carry out interchange of heat by the heat of the engine cooling water of motor 9 heating by heat unit 12B and emit in cooling air, cool off this engine cooling water.
13 is the oil cooler that together constitutes heat interchanger 11 with radiator 12, this oil cooler 13 is installed on the framework 12A of radiator 12 for example, the mobile direction (the arrow F direction Fig. 4) of cooling air due to cooling fan 14 described later is looked, and is arranged at the upstream side of radiator 12.And oil cooler 13 is by by the various hydraulic unit drivers that are loaded on the hydraulic crawler excavator 1, the oil of the action in return action fuel tank heat is carried out interchange of heat and emits in cooling air, and it is oily to cool off this action.
14 is the suction-type cooling fan that is provided with radiator 12 opposites, this cooling fan 14 is by being rotated by motor 9, shown in arrow F among Fig. 4, by upside air entry 20E described later, downside air entry 21E, suck extraneous gas in the outer mounting cover body 16, should supply with as cooling air heat exchanger 11 by outer gas.
15 for being arranged at the fan shroud of 12 in motor 9 and radiator, and this fan shroud 15 covers cooling fan 14 from outer circumferential side.And fan shroud 15 will be by the cooling air in the cooling fan 14 suction outer mounting cover bodies 16 to guide by the mode of oil cooler 13, radiator 12.
16 for being positioned at the front side of counterweight 8 and being arranged on driver's seat 6 outer mounting cover body on every side, this outer mounting cover body 16 is fixed on the support 5 that circles round by (not shown) such as holding components, together is covered with above-mentioned motor 9, hydraulic pump 10, heat interchanger 11 etc. from the outside and counterweight 8.
And, outer mounting cover body 16 is as Fig. 1～shown in Figure 3, roughly by the middle part of the above-below direction that is arranged at counterweight 8, the motor cover body 17 that the maintenance that will be checked motor 9 grades that are formed on this counterweight 8 switchably be covered with peristome (not shown), the left surface cover body 18 that forwards extends and motor 9 etc. is covered from left side side from the left end side of counterweight 8, extend from right-hand member side direction the place ahead of counterweight 8, cover fuel tank from the top, the box cover body 19 of (all not shown among the figure) such as action fuel tanks, be positioned at this box cover body 19 downside and with heat interchanger 11 facing to extending from right-hand member side direction the place ahead of counterweight 8, with upper right side mask body 20 from right side side's cover heating interchanger 11 grades, and be positioned at this upper right side mask body 20 downside and with heat interchanger 11 facing to and constitute with upper right side mask body 20 together is covered with heat interchanger 11 etc. from right side side lower right sides cover body 21.
At this, upper right side mask body 20 forms the band shape of direction extension forwards, backwards when being arc-shaped bend shown in Fig. 3 and Fig. 6 etc.And tiltedly extend from the base plate 5A of the support 5 that circles round at position in upper right side mask body 20, spread all over rear portion side (counterweight 8 sides) from the middle part of fore-and-aft direction, and with heat interchanger 11 opposite disposed.In addition, in upper right side mask body 20, be positioned on the lateral surface 20A with heat interchanger 11 opposition sides and be provided with lower concave part 20B described later and air entry 20E.
20B is the roughly tetragonal lower concave part that is arranged on the lateral surface 20A of upper right side mask body 20, this lower concave part 20B such as Fig. 4～shown in Figure 6 are by forming towards heat interchanger 11 is recessed to the inside with the lateral surface 20A of heat interchanger 11 opposed rear portion side in the upper right side mask body 20.Thus, the bottom surface of lower concave part 20B (lateral surface) 20C constitutes from the stepped test face (with reference to Fig. 5) of a lateral surface 20A heat exchanger 11 recessed depth dimensions A of upper right side mask body 20.In addition, be provided with a plurality of external thread parts (nut) 20D that is screwed into bolt 25 described later in the bight of lower concave part 20B with being integral, 20D ....
20E is the upside air entry that is arranged in the lower concave part 20B of upper right side mask body 20, and this upside air entry 20E is by forming to a plurality of slits that extend at fore-and-aft direction that clathrate is provided with towards upper and lower, and with heat interchanger 11 opposite disposed.At this, upside air entry 20E sucks extraneous gas (cooling air) in the outer mounting cover body 16, and makes the circulation such as mode heat exchanger 11, motor 9 shown in arrow F among Fig. 4 of this cooling air by by motor 9 revolution cooling fans 14.And this upside air entry 20E is formed by the outer side covers of upside Air Filter 22 described later from upper right side mask body 20.
In addition, lower right sides cover body 21 be arranged at the rear portion side of upper right side mask body 20 and the base plate 5A of the support 5 that circles round between, as Fig. 3 and shown in Figure 7, form the triangular shape that direction is forwards, backwards extended when being arc-shaped bend, and with heat interchanger 11 opposite disposed.And, in lower right sides cover body 21, be positioned on the lateral surface 21A with heat interchanger 11 opposition sides and be provided with lower concave part 21B described later and air entry 21E.
21B is the lower concave part that is arranged at the general triangular on the lateral surface 21A of lower right sides cover body 21, and this lower concave part 21B such as Fig. 4, Fig. 5 and shown in Figure 7 are by forming the lateral surface 21A of lower right sides cover body 21 towards heat interchanger 11 is recessed to the inside.Thus, the bottom surface of lower concave part 21B (lateral surface) 21C constitutes from the stepped test face (with reference to Fig. 5) of the recessed depth dimensions A of a lateral surface 21A heat exchanger 11 sides of lower right sides cover body 21.In addition, be provided with a plurality of internal thread parts (nut) 21D that is screwed into bolt 29 described later in the bight of lower concave part 21B with being integral, 21D ....
21E is the downside air entry that is arranged in the lower concave part 21B of lower right sides cover body 21, and this downside air entry 21E is by forming to a plurality of slits that extend at fore-and-aft direction that clathrate is provided with towards upper and lower, and with heat interchanger 11 opposite disposed.At this, downside air entry 21E, sucks cooling air in the outer mounting cover body 16 shown in arrow F among Fig. 4 by by motor 9 revolution cooling fans 14, and with circulations such as heat interchanger 11, motor 9.And this downside air entry 21E is formed by the outer side covers of downside Air Filter 26 described later from lower right sides cover body 21.
22 are the upside Air Filter on the lateral surface 20A that is removably installed in upper right side mask body 20, this upside Air Filter 22 is as Fig. 4～shown in Figure 6, form the corresponding square of lower concave part 20B with upper right side mask body 20, and be installed on this lower concave part 20B with state from outer side covers upside air entry 20E.In addition, upside Air Filter 22 is by upside air entry 20E, and cooling air is sucked moment in the outer mounting cover body 16, can catch the dust of sneaking in this cooling air.
At this, upside Air Filter 22 constitutes by enrolling the net 23 that wire rod that for example metal material, resin material etc. constitute forms and using steel plate etc. to form with the corresponding tetragonal frame shape of lower concave part 20B of upper right side mask body 20 and the net supporting frame 24 that supporting the outer peripheral edges portion of net 23.
Then, be provided with and the corresponding a plurality of bolt reach through hole 24A of each internal thread part 20B that are positioned on the lower concave part 20B in the bight of net supporting frame 24, by break-through is screwed into each internal thread part 20D of lower concave part 20B in the bolt 25 of these bolt reach through holes 24A, upside Air Filter 22 is removably installed on the bottom surface 20C of lower concave part 20B.
Thus, the upside Air Filter 22 of catching dust etc. is installed under the state on the upper right side mask body 20, can easily detect the pollution condition of this upside Air Filter 22, and, after upside Air Filter 22 is contaminated, under the state that upper right side mask body 20 is installed on the support 5 that circles round, only upside Air Filter 22 is taken off from upper right side mask body 20, just can easily clean this upside Air Filter 22.
In addition, the bottom surface 20C of lower concave part 20B is because as shown in Figure 5, only constitute from the stepped test face of the recessed depth dimensions A of lateral surface 20A heat exchanger 11 sides of upper right side mask body 20, upside Air Filter 22 can be accommodated in the lower concave part 20B, this upside Air Filter 22 is exempted from be present in the influence of obstruction around the hydraulic crawler excavator 1 etc.
26 are the downside Air Filter on the lateral surface 21A that is removably installed in lower right sides cover body 21, this downside Air Filter 26 is as Fig. 4, Fig. 5 and shown in Figure 7, form the corresponding triangle of lower concave part 21B with lower right sides cover body 21, and be installed on this lower concave part 21B with the state that covers downside air entry 21E.In addition, downside Air Filter 26 is by downside air entry 21E, and cooling air is sucked moment in the outer mounting cover body 16, can catch the dust of sneaking in this cooling air.
At this, downside Air Filter 26 is same with upside Air Filter 22, by net 27 with form with the corresponding leg-of-mutton frame shape of lower concave part 21B of lower right sides cover body 21 and supporting net supporting frame 28 formations of the outer peripheral edges portion of net 27.
Then, be provided with and the corresponding a plurality of bolt reach through hole 28A of each internal thread part 21D that are positioned on the lower concave part 21B in the bight of net supporting frame 28, by break-through is screwed into each internal thread part 21D of lower concave part 21B in the bolt 29 of these bolt reach through holes 28A, downside Air Filter 26 is removably installed on the bottom surface 21C of lower concave part 21B.
Thus, downside Air Filter 26 is installed under the state on the lower right sides cover body 21, can easily detect the pollution condition of this downside Air Filter 26, and, after downside Air Filter 26 is contaminated, under the state that lower right sides cover body 21 is installed on the support 5 that circles round, only downside Air Filter 26 is taken off from lower right sides cover body 21, just can easily clean this downside Air Filter 26.
In addition, the bottom surface 21C of lower concave part 21B is because as shown in Figure 5, only constitute from the stepped test face of the recessed depth dimensions B of lateral surface 21A heat exchanger 11 sides of lower right sides cover body 21, downside Air Filter 26 can be accommodated in the lower concave part 21B, this downside Air Filter 26 is exempted from be present in the influence of obstruction around the hydraulic crawler excavator 1 etc.
The hydraulic crawler excavator 1 of present embodiment has above-mentioned structure, by this hydraulic crawler excavator 1 by lower running body 2 after going to operation site, make operating means 4 pitching actions when top revolution 3 is circled round, can use this operating means 4 to carry out the dredge operation etc. of sand.
And, when this hydraulic crawler excavator 1 work, under motor 9 actions and the cooling fan 14 rotating situations, shown in the arrow F of Fig. 4, by being installed on upside Air Filter 22, the upside air entry 20E on the upper right side mask body 20 and being installed on downside Air Filter 26 on the lower right sides cover body 21, downside air entry 21E etc., extraneous gas is sucked in the outer mounting cover body 16, and this extraneous gas becomes cooling air and supplies with to the radiator 12 that constitutes heat interchanger 11, oil cooler 13.
Thus, radiator 12 will be by will carrying out interchange of heat at the heat of the engine cooling water of 9 circulations of motor by heat unit 12B and emit in cooling air, and class is cooled off this engine cooling water.And oil cooler 13 carries out interchange of heat by the heat of checking the action oil that hydraulic unit driver refluxes to the action fuel tank and emits in cooling air, and it is oily to cool off this action.
At this moment, upside Air Filter 22 and downside Air Filter 26 will be caught by the dust of being sneaked in the cooling air in the cooling fan 14 suction outer mounting cover bodies 16, be attached in radiator 12, the oil cooler 13 etc. to suppress these dusts.
At this, upside Air Filter 22, downside Air Filter 26 can produce phenomenons such as pollution, obstruction by catching the dust in the cooling air, for this reason, must clean operation as required when checking pollution situation.
To this, in the hydraulic crawler excavator 1 of present embodiment, upside Air Filter 22 uses bolt 25, be removably installed on the lower concave part 20B that is provided with on the lateral surface 20A of upper right side mask body 20, and downside Air Filter 26 uses bolt 29, is removably installed on the lower concave part 21B that is provided with on the lateral surface 21A of lower right sides cover body 21.
Therefore, under upside Air Filter 22 is installed on state on the upper right side mask body 20, can easily check the pollution situation of upside Air Filter 22 from the outside, and under downside Air Filter 26 is installed on state on the lower right sides cover body 21, can easily check the pollution situation of downside Air Filter 26 from the outside.Thus, need not to carry out complicated operations that upper right side mask body 20, lower right sides cover body 21 are pulled down from the support 5 that circles round, just can easily check the pollution situation of upside Air Filter 22, downside Air Filter 26 from the outside, can improve the operating characteristics of its inspection operation.
And, when upside Air Filter 22 is polluted by the dust of catching etc., only pull up bolt 25, just upside Air Filter 22 easily can be unloaded from upper right side mask body 20, the upside Air Filter 22 that takes off promptly can be cleaned from the upper right side mask body 20 that is installed on the support 5 that circles round.In addition, when downside Air Filter 26 is contaminated, only pull up bolt 29, just downside Air Filter 26 easily can be unloaded from lower right sides cover body 21, can promptly clean the downside Air Filter 26 that takes off from the lower right sides cover body 21 that is installed on the support 5 that circles round.
In addition, the upside Air Filter 22 after the cleaning can easily be installed on the lower concave part 20B of upper right side mask body 20 by enough bolts 25, and the downside Air Filter 26 after the cleaning can easily be installed on the lower concave part 21B of lower right sides cover body 21 by enough bolts 29.
So, when the upside Air Filter 22 that cleaning is polluted, downside Air Filter 26, needn't take off the loaded down with trivial details operation of upper right side mask body 20, lower right sides cover body 21, because can easily only take off upside Air Filter 22, downside Air Filter 26 just can clean, and upside Air Filter 22, downside Air Filter 26 after can only will cleaning are installed on upper right side mask body 20, the lower right sides cover body 21, the operability in the time of can improving these upside Air Filters 22 of cleaning, downside Air Filter 26.
And, because except can easily cleaning operation, the cleaning of upside Air Filter 22, downside Air Filter 26 can be carried out continually relatively, can suppress the obstruction of upside Air Filter 22, downside Air Filter 26 etc., these members often can be remained under the state of cleaning.As a result,, action oil, engine cooling water etc. can be cooled off effectively, the unfailing performance of hydraulic crawler excavator 1 can be improved because a large amount of cooling airs sucks in the outer mounting cover body 16 and to supplies such as oil cooler 13, radiators 12.
In addition, upside Air Filter 22 is on the bottom surface 20C of lower concave part 20B of A by only being installed in from the recessed depth dimensions of lateral surface 20A heat exchanger 11 sides of upper right side mask body 20, and can be accommodated in this lower concave part 20B, and downside Air Filter 26 is on the bottom surface 21C of lower concave part 21B of B by only being installed in from the recessed depth dimensions of lateral surface 21A heat exchanger 11 sides of lower right sides cover body 21, and can be accommodated in this lower concave part 21B.Thus, upside Air Filter 22, downside Air Filter 26 can prevent to be subjected to the interference of the obstruction that exists around the hydraulic crawler excavator 1 etc. reliably, can protect these Air Filters 22,26.
In addition, in the present embodiment, be divided into upper right side mask body 20 and lower right sides cover body 21 these two parts with heat interchanger 11 opposed positions in the outer mounting cover body 16, on upper right side mask body 20, be provided with in the upside air entry 20E, be provided with downside air entry 21E on lower right sides cover body 21, these upside air entry 20E and downside air entry 21E are covered by upside Air Filter 22 and downside Air Filter 26 respectively and form.
Thus, upside Air Filter 22 and downside Air Filter 26 can clean respectively according to its pollution situation, and the operating characteristics of the cleaning of these upside Air Filters 22, downside Air Filter 26 operation can further improve relatively.
In addition, in the above-described embodiment owing to be that upside Air Filter 22 is removably installed on the upper right side mask body 20, thus illustration use the occasion of the bolt 25 among the internal thread part 20D that is screwed into upper right side mask body 20., the present invention is not limited to this, and variation for example shown in Figure 8 also can be used the structure of the mount pin 31 that replaces bolt 25.
At this moment, the flexibility material of mount pin 31 use resin materials etc. forms, and having can be at radially scalable roughly spherical junction surface 31B by notch 31A.And, mount pin 31 break-through make the junction surface 31B of the lower concave part 20B undergauge of the net supporting frame 24 of upside Air Filter 22 and upper right side mask body 20, this junction surface 3 1B can be installed to upside Air Filter 22 on the upper right side mask body 20 by the outstanding and hole enlargement from the medial surface of upper right side mask body 20.Thus, the installation of upside Air Filter 22, disassembling section can further easily realize.And this mount pin 31 also can be used for downside Air Filter 26 is installed on the lower right sides cover body 21.
In addition, in the above-described embodiment, adorn outside and be provided with upper right side mask body 20E and lower right sides cover body 21 with heat interchanger 11 opposed positions in the cover body 16, the upside air entry 20E that is arranged on the upper right side mask body 20 is covered by upside Air Filter 22, and is arranged on the structure that the downside air entry 21E on the lower right sides cover body 21 is covered by downside Air Filter 26.
; this structure is for considering to improve the structure of outward appearance taste (design); but the present invention is not limited to this; for example can adopt; be provided with a right flank cover body with heat interchanger 11 opposed positions; and on this right flank cover body, be provided with air entry up and down, by the structure of air entry about Air Filter is covered with respectively up and down.In addition, can adopt on a right flank cover body, to be provided with a bigger air entry and to replace air entry is divided into up and down structure, with the structure of an Air Filter from this air entry of outer side covers.
In addition, in the above-described embodiment, illustration have a hydraulic crawler excavator 1 of the canopy 7 that driver's seat 6 is covered from the top., the present invention is not limited to this, also applicable to the hydraulic crawler excavator of the driver's cell-type with the drivers' cab that is divided into driver's cabin.
In addition, in the above-described embodiment, be that example is illustrated with the crawler hypraulic excavator as building machinery, but the present invention is not limited to this, applicable to other building machinery of for example wheeled hydraulic excavator, wheel loader etc.
Claims (3)
1. building machinery, it has: the support that becomes supporting structure; Include the motor that is arranged on this support and by the hydraulic press of this engine-driven hydraulic pump; The heat interchanger that the action oil of the cooling water of described motor and/or described hydraulic press is cooled off; Cover the outer mounting cover body of described motor, hydraulic press and heat interchanger; And will supply to the Air Filter that the dust in the cooling air in the described heat interchanger is caught; It is characterized in that being provided with in the lateral surface of described outer mounting cover body: towards the recessed to the inside lower concave part of described heat interchanger with the opposed position of described heat interchanger; Air entry with the described cooling air of suction that is arranged in this lower concave part;
Described Air Filter is housed in the described lower concave part, with from the described air entry of the outer side covers of described outer mounting cover body;
And described Air Filter is removably installed with respect to described outer mounting cover body.
2. building machinery according to claim 1 is characterized in that described air entry is arranged at the many places of described outer mounting cover body, and described Air Filter is made of a plurality of Air Filters of the air entry that covers these many places respectively.
3. building machinery according to claim 1 and 2 is characterized in that, described Air Filter uses bolt or the described relatively outer mounting cover body of mount pin removably to install.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004124586A JP4550476B2 (en) | 2004-04-20 | 2004-04-20 | Construction machinery |
| JP2004124586 | 2004-04-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1690318A CN1690318A (en) | 2005-11-02 |
| CN100408767C true CN100408767C (en) | 2008-08-06 |
Family
ID=35346049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004101016272A Active CN100408767C (en) | 2004-04-20 | 2004-12-20 | Construction mechanism |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP4550476B2 (en) |
| KR (1) | KR100629822B1 (en) |
| CN (1) | CN100408767C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104074220A (en) * | 2013-03-28 | 2014-10-01 | 住友建机株式会社 | Construction machinery |
| CN104074221A (en) * | 2013-03-28 | 2014-10-01 | 住友建机株式会社 | Construction machinery |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4763561B2 (en) * | 2005-11-10 | 2011-08-31 | 日立建機株式会社 | Construction machinery |
| JP4343900B2 (en) * | 2005-12-26 | 2009-10-14 | 日立建機株式会社 | Construction machinery |
| JP4270239B2 (en) * | 2006-08-11 | 2009-05-27 | コベルコ建機株式会社 | Construction machinery |
| JP4710781B2 (en) * | 2006-09-29 | 2011-06-29 | コベルコ建機株式会社 | Filter mounting structure and construction machine equipped with the same |
| JP4703538B2 (en) * | 2006-10-31 | 2011-06-15 | 日立建機株式会社 | Dredger |
| JP5083903B2 (en) * | 2008-08-13 | 2012-11-28 | キャタピラー エス エー アール エル | Door panel |
| JP5459485B2 (en) * | 2010-01-25 | 2014-04-02 | コベルコ建機株式会社 | Construction machinery guard panel |
| CN102505725A (en) * | 2011-10-24 | 2012-06-20 | 徐州徐工挖掘机械有限公司 | Engine mounting and fixing structure for excavator |
| JP5700569B2 (en) * | 2012-05-11 | 2015-04-15 | 日立建機株式会社 | Mini excavator |
| JP6305753B2 (en) * | 2013-12-17 | 2018-04-04 | 住友建機株式会社 | Construction machine dustproof net mounting structure |
| JP2015140633A (en) * | 2014-01-30 | 2015-08-03 | コベルコ建機株式会社 | Construction machine |
| JP6690856B2 (en) * | 2016-03-15 | 2020-04-28 | 株式会社クボタ | Working machine equipped with a dustproof member |
| JP6662218B2 (en) * | 2016-06-29 | 2020-03-11 | コベルコ建機株式会社 | Work machine |
| CN110409535B (en) * | 2019-06-28 | 2022-02-11 | 三一重机有限公司 | Dust screen assembly, cabin door and engineering machinery |
| CN110965600B (en) * | 2019-11-04 | 2021-10-22 | 福建北仑建设发展有限公司 | Tunnel excavating equipment with protective structure |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6068675A (en) * | 1997-09-05 | 2000-05-30 | Kanzaki Kokyukoki Mfg. Co., Ltd. | Bonnet and engine room of a vehicle |
| JP2003322489A (en) * | 2002-05-01 | 2003-11-14 | Hitachi Constr Mach Co Ltd | Heat exchanger of construction machine |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62119428U (en) * | 1986-01-22 | 1987-07-29 | ||
| JPH1182055A (en) * | 1997-09-10 | 1999-03-26 | Hitachi Constr Mach Co Ltd | Engine room cover for construction machine |
| JP3508844B2 (en) * | 2000-03-30 | 2004-03-22 | コベルコ建機株式会社 | Cooling ventilation structure of construction machinery |
-
2004
- 2004-04-20 JP JP2004124586A patent/JP4550476B2/en not_active Expired - Fee Related
- 2004-12-20 CN CNB2004101016272A patent/CN100408767C/en active Active
- 2004-12-21 KR KR1020040109236A patent/KR100629822B1/en active IP Right Grant
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6068675A (en) * | 1997-09-05 | 2000-05-30 | Kanzaki Kokyukoki Mfg. Co., Ltd. | Bonnet and engine room of a vehicle |
| JP2003322489A (en) * | 2002-05-01 | 2003-11-14 | Hitachi Constr Mach Co Ltd | Heat exchanger of construction machine |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104074220A (en) * | 2013-03-28 | 2014-10-01 | 住友建机株式会社 | Construction machinery |
| CN104074221A (en) * | 2013-03-28 | 2014-10-01 | 住友建机株式会社 | Construction machinery |
| CN104074221B (en) * | 2013-03-28 | 2016-08-17 | 住友建机株式会社 | Construction machinery |
| CN104074220B (en) * | 2013-03-28 | 2016-08-17 | 住友建机株式会社 | Construction machinery |
Also Published As
| Publication number | Publication date |
|---|---|
| KR100629822B1 (en) | 2006-09-29 |
| KR20050102045A (en) | 2005-10-25 |
| JP4550476B2 (en) | 2010-09-22 |
| CN1690318A (en) | 2005-11-02 |
| JP2005307521A (en) | 2005-11-04 |
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Effective date of registration: 20170307 Address after: Shiga Patentee after: Hitachi construction machinery Tierra Address before: Tokyo, Japan, Japan Patentee before: Hitach Construction Machinery Co., Ltd. |