CN101614148B - Construction machinery - Google Patents
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- CN101614148B CN101614148B CN2009101508481A CN200910150848A CN101614148B CN 101614148 B CN101614148 B CN 101614148B CN 2009101508481 A CN2009101508481 A CN 2009101508481A CN 200910150848 A CN200910150848 A CN 200910150848A CN 101614148 B CN101614148 B CN 101614148B
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Abstract
The invention relates to construction machinery. An exhaust gas processing apparatus can be mounted on components different from an engine. A house component (16) is arranged around a hydraulic liquid pump (11); the house component (16) is provided with a shielding cover (17) that shields space between the engine (9) and the hydraulic liquid pump (11). In addition, a processing apparatus mountingportion (17A) for mounting the exhaust gas processing apparatus (18) is arranged on the shielding cover (17). The assembled sub assembly parts (15) are mounted on a whirl framework (5). Therefore, the exhaust gas processing apparatus (18) can be separated from a vibrating system of the engine (9), which prevents from transmission of vibration of the engine (9). In addition, the shielding cover (17) can be mounted before the exhaust gas processing apparatus (18) is connected to the engine (9), thereby configuring the shielding cover (17) by simple work without penetrating a narrow gap between the hydraulic liquid pump (11) and the exhaust gas processing apparatus (18).
Description
Technical field
For example the present invention relates to engineering machinery such as hydraulic shovel, relate in particular to the engineering machinery that possesses the emission-control equipment of handling engine exhaust.
Background technique
Generally speaking, the hydraulic shovel as the typical example of engineering machinery comprises: bottom runner that can be voluntarily; Can carry the top swiveling body on this bottom runner with circling round; And the apparatus for work of the action of bowing can be faced upward in the front side that is arranged on this top swiveling body.
And the top swiveling body roughly comprises: the frame of circling round that constitutes supporting structure; Be arranged on the front side of this frame of circling round and be used for the operator cabin that the operator takes; Lift-launch is at the motor of the rear side of the above-mentioned frame of circling round; Be arranged on the oil hydraulic pump of side's side of the length direction of this motor; Install by in useless outlet pipe and the waste gas place that the gas exhaust manifold of above-mentioned motor is connected; And, be arranged on house cover on the frame of circling round in the mode that covers these equipment class.
Here, as the emission-control equipment that is connected with motor, the known silencer that the noise that reduces combustion gas arranged, remove the waste gas cleaning plant of the harmful matter in the waste gas etc.Because this emission-control equipment is connected with motor, so use carriage to be installed on the motor into identical vibration system (for example, with reference to patent documentation 1: TOHKEMY 2003-104071 communique).
In addition, in hydraulic shovel, make the mask that will cover between motor and the oil hydraulic pump and be arranged on the interior structure of house cover, even so that the state of affairs of generation as from ejection oils liquid such as oil hydraulic pumps, oils liquid can not disperse (for example, with reference to patent documentation 2: TOHKEMY 2004-293495 communique) to the pusher side that starts of high temperature yet.
And, mask with the mode that covers downside from the side of emission-control equipment after going into and extending to the mounting point of oil hydraulic pump to motor, extend to downside in the mode around the relative motor confining liquid press pump.Therefore, the shape of general mask is that the side from emission-control equipment extends to through the below of this treatment device and starts pusher side, becomes the shape that the mounting point of motor is extended to downside at oil hydraulic pump.This mask becomes and for example is installed in the structure that constitutes on the circle round tectosome of frame, the part of house cover etc.
Here, the hydraulic shovel of above-mentioned patent documentation 1 is made and is used carriage that emission-control equipment is installed in structure on the motor.Therefore, emission-control equipment becomes the vibration system identical with motor, because the vibration of the high frequency of this motor directly transmitted, so there is the problem of damaging waste gas treatment parts of constituting emission-control equipment etc. and so on because of this vibration.
In addition, in the hydraulic shovel of above-mentioned patent documentation 2, owing to dispose mask in the mode of blocking between motor, emission-control equipment and the oil hydraulic pump, therefore this mask extends to through the below of this treatment device from the side of emission-control equipment and starts pusher side, becomes the shape that the mounting point of motor is extended to the complexity of downside at oil hydraulic pump.Therefore, mask is difficult to be installed in the narrow place between emission-control equipment and the oil hydraulic pump, and installation exercise needs labour and time.Have, according to the difference of mask, also existing of having is not divided into the situation that a plurality of parts just can't be installed, and has the problem of assembling operation variation and so on again.
Summary of the invention
The present invention is exactly the technological scheme that proposes in view of above-mentioned prior art problems, the object of the present invention is to provide a kind of mask can being installed on the parts different with motor, and can with simple operation be installed in block start and oil hydraulic pump between locational engineering machinery.
Engineering machinery of the present invention, possess can be voluntarily car body, carry motor on this car body, be arranged on the oil hydraulic pump of side's side of length direction of this motor and the emission-control equipment that is connected and handles waste gas by flue gas leading and above-mentioned motor.
And, in order to solve the above problems, the feature of the structure that the invention of scheme 1 is adopted is, on above-mentioned car body, in order to form the pump chamber that surrounds above-mentioned oil hydraulic pump the house parts are set, above-mentioned oil hydraulic pump is erect two stringer boards that arrange to these house parts and the connecting plate that connects between this each stringer board constitutes by clipping, and blocks mask between above-mentioned motor and the oil hydraulic pump this house parts setting, is provided for installing the treatment device mounting plate of above-mentioned emission-control equipment at this mask.
The structure that the Fang Ming of scheme 2 adopts is that the above-mentioned emission-control equipment for the treatment of device mounting plate installation at above-mentioned mask arranges antivibrating parts between above-mentioned treatment device mounting plate and emission-control equipment.
The structure that the invention of scheme 3 is adopted is that the above-mentioned emission-control equipment for the treatment of device mounting plate installation at above-mentioned mask arranges antivibrating parts between above-mentioned treatment device mounting plate and emission-control equipment.
The structure that the invention of scheme 4 is adopted is, above-mentioned mask is the fire bulkhead that is formed by following each several part, namely, be configured in the centre of the short transverse between above-mentioned two stringer boards and form flat above-mentioned treatment device mounting plate; The end of an opposite side with motor is towards the upwardly extending upper vertical plate of above-mentioned connecting plate from this treatment device mounting plate; And from this treatment device mounting plate, start the end of pusher side towards the following riser of the downward extension of above-mentioned oil hydraulic pump.
The structure that the invention of scheme 5 is adopted is, by being that critical piece is assembled above-mentioned mask to these house parts in advance and emission-control equipment forms the treatment device subassembly with the premises parts, again this treatment device subassembly is installed on the above-mentioned car body as parts.
The structure that the invention of scheme 6 is adopted is, at the above-mentioned outlet pipe that connects above-mentioned motor and emission-control equipment flexible tube is set midway.
The structure that the invention of scheme 7 is adopted is, above-mentioned motor is configured with the horizontal state of above-mentioned relatively car body direction extension to the left and right, above-mentioned oil hydraulic pump is installed in a right and left side with respect to above-mentioned motor, the premises component configuration becomes above-mentioned two stringer boards to be positioned at the fore-and-aft direction of above-mentioned oil hydraulic pump, and above-mentioned mask is configured in the upside of above-mentioned oil hydraulic pump across above-mentioned oil hydraulic pump.
Effect of the present invention is as follows.
According to the invention of scheme 1, in the car body setting two stringer boards are set in the mode that clips oil hydraulic pump, by connecting two stringer boards with connecting plate, can form the pump chamber that is surrounded oil hydraulic pump by the house parts.In addition, by at the house parts mask being set, can the shield motor and oil hydraulic pump between.And, owing at the house parts mask is set, so can on this mask, set treatment device mounting plate be installed by emission-control equipment.
Therefore, emission-control equipment can be installed on the house parts different with the vibration system of motor by mask.Its result can prevent from ordinary times being delivered on the emission-control equipment with the vibration of the motor of dither, and the influence that the vibration that can protect the equipment class that constitutes emission-control equipment to avoid motor causes can improve durability or working life.
In addition, because mask can be arranged on the house parts before the configuration emission-control equipment, therefore needn't be configured in the close clearance of oil hydraulic pump and emission-control equipment.Like this, mask can be arranged on the position of blocking between motor and the oil hydraulic pump with simple operation, can improve assembling operation, reliability etc.
According to the invention of scheme 2, when the treatment device mounting plate of mask is installed emission-control equipment, can use antivibrating parts to come vibrationproof ground to support emission-control equipment at the treatment device mounting plate.Like this, in the time of can protecting the various filters that for example are loaded in the emission-control equipment, catalyzer, sensor etc. to avoid travelling or the influence that causes of the vibration during operation.
According to the invention of scheme 3, by between two stringer boards that constitute the house parts and the downside of connecting plate configuration mask, can mask be set at the pump chamber that is formed by above-mentioned each stringer board and connecting plate, can start pusher side to cover this pump chamber relatively.
According to the invention of scheme 4, mask forms as the fire bulkhead that is made of following each one, namely, be configured in the short transverse between each stringer board the centre form flat treatment device mounting plate; From this treatment device mounting plate towards the upwardly extending upper vertical plate of connecting plate; And from the following riser of above-mentioned treatment device mounting plate towards the downward extension of oil hydraulic pump; Therefore, can meet the configuration relation ground configuration mask of emission-control equipment and oil hydraulic pump, can block reliably between emission-control equipment and the oil hydraulic pump by this mask.
According to the invention of scheme 5, by on the house parts that constituted by two stringer boards and connecting plate, assembling mask and emission-control equipment in advance, thereby can form the emission-control equipment subassembly.And the treatment device subassembly of assembling can easily be installed on the car body at short notice as parts.
According to the invention of scheme 6, the flue gas leading of motor flexible tube is set midway, therefore can be absorbed in the vibration of starting pusher side and car body side relatively to produce by enough flexible tubes, can improve the durability of flue gas leading, motor, emission-control equipment etc.
Invention according to scheme 7, horizontal state configuration motor with the direction extension to the left and right of relative car body, this motor is installed in oil hydraulic pump one side of left and right directions relatively, and two stringer boards that will constitute the house parts are configured to be positioned at the fore-and-aft direction of this oil hydraulic pump, and mask are configured in with crossing over oil hydraulic pump the upside of above-mentioned oil hydraulic pump.Like this, mask relatively motor cover between two stringer boards that are installed in the house parts and the oil hydraulic pump of a side of left and right directions.
Description of drawings
Fig. 1 is the plan view of the employed hydraulic shovel of expression embodiments of the present invention.
Fig. 2 is the amplification plan view that omits the top swiveling body in the presentation graphs 1 such as operator cabin.
Fig. 3 is the plan view with the frame of circling round in the monomer presentation graphs 2.
Fig. 4 is the amplification view of the arrow IV-IV direction finding top swiveling body from Fig. 1.
Fig. 5 is the major component amplification plan view of motor, oil hydraulic pump, treatment device subassembly in the presentation graphs 2 etc.
Fig. 6 is the plan view that amplifies the treatment device subassembly in the presentation graphs 5 with monomer.
Fig. 7 is the stereoscopic figure from the partial cutaway of front left side finding treatment device subassembly.
Fig. 8 is the stereoscopic figure from the partial cutaway of forward right side finding treatment device subassembly.
Fig. 9 is the exploded perspective view of exploded representation treatment device subassembly.
Figure 10 is the stereoscopic figure that represents mask with monomer from front left side.
Figure 11 is the stereoscopic figure that represents mask with monomer from forward right side.
Figure 12 is the stereoscopic figure that amplifies the antivibrating parts of representing that treatment device is used with monomer.
Among the figure:
1-hydraulic shovel (engineering machinery), 2-bottom runner (car body), 3-top swiveling body (car body), 4-apparatus for work, the 5-frame of circling round, the 8A-engine compartment, 8B-regenerator volume, 8c-pump chamber, 9-motor, the 11-oil hydraulic pump, 15-treatment device subassembly, 16-house parts, stringer board before the 16A-, stringer board behind the 16B-, 16C-connecting plate, 17-mask, 17A-treatment device mounting plate, the 17B-upper vertical plate, riser under the 17C-, 17D-groove part, the 18-emission-control equipment, the 19-antivibrating parts, 20-flue gas leading, 21-flexible tube.
Embodiment
Below, as the engineering machinery of embodiments of the present invention, be example with the crawler hypraulic excavator, at length describe according to Fig. 1 to Figure 12.
In Fig. 1, mark 1 is the crawler hypraulic excavator as engineering machinery, and this hydraulic shovel 1 roughly comprises: bottom runner 2 that can be voluntarily; Can carry with circling round on this bottom runner 2 and constitute the top swiveling body 3 of car body with this bottom runner 2; And can face upward the apparatus for work 4 that is arranged on the front side of this top swiveling body 3 with bowing motion and carries out the digging operation etc. of native sand.And bottom runner 2 and top swiveling body 3 are object lessons of car body of the present invention.
Here, the top swiveling body 3 that constitutes hydraulic shovel 1 is described in detail.Mark 5 is the frames of circling round of top swiveling body 3, and this frame 5 of circling round constitutes supporting structure.And the frame of circling round 5 roughly comprises as Fig. 2, shown in Figure 3: the base plate 5A that is made of the steel plate of heavy wall etc. that extends of direction forwards, backwards; Setting is arranged on this base plate 5A upward and leaves left stringer board 5B, the right stringer board 5C of the direction extension forwards, backwards of predetermined distance ground at left and right directions; Leave left side frame 5D, the right side frame 5E of compartment of terrain configuration and direction extension forwards, backwards at the left and right directions of this each stringer board 5B, 5C; And, from above-mentioned base plate 5A, each stringer board 5B, 5C to the left and right direction stretch out, at the many overhanging beam 5F of its front end carries left right side frame 5D, 5E.And, in the front side of each stringer board 5B, 5C, be positioned at left and right directions central authorities and can face upward with bowing motion apparatus for work 4 is installed, be provided with motor 9 described later, treatment device subassembly 15 etc. at the rear side of the frame 5 of circling round.
Mark 6 is the operator cabins (with reference to Fig. 1) that carry in the front left side of frame 5 of circling round (the base portion left side of apparatus for work 4), this operator cabin 6 is used for taking the operator, and portion is equipped with the driver's seat that the operator takes one's seat, the operating stem of the usefulness of travelling, (all not shown) such as operating stem that operation is used within it.
Mark 7 is mounted in the counterweight of the rearward end of the frame 5 of circling round, and this counterweight 7 is be used to the parts of obtaining with the weight balancing of apparatus for work 4.In addition, this counterweight 7 as shown in Figure 2, the front is formed flatly, the back side is outstanding agley.
Here, in the front side of counterweight 7, be positioned at the frame 5 of circling round and be provided with a plurality of chambers.For example, be provided with the central configuration motor 9 that is positioned at left and right directions engine compartment 8A, this motor 8A the left side the 8B of regenerator volume, be positioned at the right side of engine compartment 8A and divided the pump chamber 8C that forms by house described later parts 16.
Mark 9 is arranged on the motor of the rear side of the frame 5 of circling round, and this motor 9 is arranged in engine compartment 8A and carries on the frame 5 of circling round with the horizontal state that direction is to the left and right extended.In addition, as shown in Figure 4, be provided with for the cooling fan 9A that supplies with cold wind to heat exchanger 10 described later in the left side of motor 9.
On the other hand, as Fig. 4, shown in Figure 5, the right side of a side that becomes the left and right directions of motor 9 becomes for the pump assembly department 9B that oil hydraulic pump 11 described later is installed.In addition, the top in the front side of motor 9 is connected with the pressurized machine 9C (with reference to Fig. 2) such as turbocharger that air-breathing flow is increased with gas exhaust manifold 9D, is connected with flue gas leading 20 described later at this pressurized machine 9C.And motor 9 is supported on the frame 5 of circling round with the vibrationproof state by for example four antivibrating parts 9E (only illustrating two in Fig. 4).
Here, the motor that motor 9 is supported on the frame 5 of circling round is narrated with antivibrating parts 9E (with reference to Fig. 4).Because this antivibrating parts 9E is for the parts that support motor 9, therefore uses the counterweight measurer to have the elastomer of needed intensity to form.
Mark 10 is the heat exchangers that are configured among the 8B of regenerator volume in the left side that becomes motor 9, and this heat exchanger 10 relatively arranges with cooling fan 9A.In addition, heat exchanger 10 is made of the radiator of for example cooled engine cooling water, the oil cooler of cooling work oil, the interstage cooler of cooled engine 9 inhaled airs etc.
Mark 11 is the oil hydraulic pumps that are configured among the pump chamber 8C, and this oil hydraulic pump 11 is installed in the right side that becomes left and right directions one side with respect to motor 9.And oil hydraulic pump 11 drives and will pump as pressure oil from the work oil that operating oil tank 12 described later is supplied with by launched machine 9.And oil hydraulic pump 11 its terminal sides become lip portions 11A, are fixed by bolts to by this lip portions 11A on the pump assembly department 9B of motor 9.
Mark 12 is the operating oil tanks (with reference to Fig. 2) that are positioned at the front side of oil hydraulic pump 11 and are arranged on the right side of the frame 5 of circling round, and this operating oil tank 12 stores the work oil that is used for driving bottom runner 2, apparatus for work 4 etc.In addition, mark 13 expressions are arranged on the fuel tank of the front side of operating oil tank 12.
Mark 14 is the house covers from top sealing motor 9, heat exchanger 10, emission-control equipment 18 etc.This house cover 14 is between operator cabin 6 and counterweight 7 and be arranged on the frame 5 of circling round.And as shown in Figure 4, house cover 14 roughly comprises: the Left-Hand Panel 14A, the right panel 14B that are positioned at the left and right sides of the frame 5 of circling round and direction extension forwards, backwards; And, the top plate 14C that between the upper end portion of above-mentioned each side plate 14A, 14B, extends to substantially horizontal in the mode of covering engine 9.In addition, on the plate 14C, the mode of maintaining the opening of usefulness with sealing can be provided with engine hood 14D with opening and closing in the above.Also have, house cover 14 uses house described later parts 16 and other not shown house parts (support beam) to be installed on the frame 5 of circling round.
Secondly, to describing with this treatment device subassembly 15 that starts to open in 9 minutes the present embodiment on the right side that is arranged on motor 9.
Namely, mark 15 is the treatment device subassemblies that are configured in the right side of motor 9 in order to handle waste gas.This treatment device subassembly 15 can be in advance in the place assembling different with the Assembly line of assembling top swiveling body 3, and can be used as parts and be assembled on the frame 5 of circling round.And treatment device subassembly 15, is made of house described later parts 16, mask 17, emission-control equipment 18 etc. to shown in Figure 9 as Fig. 6.
Mark 16 is to be positioned at the right side of motor 9 and to be arranged on house parts 16 on the frame 5 of circling round, and these house parts 16 form the part of the beam construction body of the frame 5 of circling round.And these house parts 16 are top plate 14C of support house cover 14 etc., and divide the parts that form around the pump chamber 8C of oil hydraulic pump 11 and the major component of structure treatment device subassembly 15.In addition, house parts 16 comprise substantially: the preceding stringer board 16A that erects the front side that is arranged on oil hydraulic pump 11, under the state of above-mentioned oil hydraulic pump 11, relatively erect the back stringer board 16B of setting with preceding stringer board 16A at fore-and-aft direction, and the right upper portion and the above-mentioned connecting plate 16C of the right upper portion of stringer board 16B afterwards that connect above-mentioned preceding stringer board 16A.
Here, the preceding stringer board 16A that constitutes house parts 16 is made of for example roughly rectangular tabular body with the mode relative with the back of operating oil tank 12 direction extension to the left and right, and its underpart is installed on the frame 5 of circling round.Almost similarly, back stringer board 16B is made of the roughly OBL tabular body with the mode relative with the front of counterweight 7 direction extension to the left and right, and its underpart is installed on the frame 5 of circling round.On the other hand, connecting plate 16C is made of the rectangular tabular body of direction forwards, backwards, the upper part of stringer board 16A, back stringer board 16B before its end is fixed on integratedly with bolt.
Mark 17 is arranged on the mask on the house parts 16, and this mask 17 covers between motor 9 and the oil hydraulic pump 11, is commonly referred to as fire bulkhead.And, even mask 17 can prevent that also the oils liquid splash is to motor 9 one sides of high temperature when the state of affairs that takes place as from liquid such as oils such as ejection such as oil hydraulic pump 11 grades.And mask 17 and is configured in the downside of connecting plate 16C between the preceding stringer board 16A that constitutes house parts 16 and back stringer board 16B.
In addition, according to the mask 17 of present embodiment, by being implemented bending, a block plate of the shape that for example is cut into regulation makes to form the plate that has step.In detail, as Figure 10, shown in Figure 11, above-mentioned mask 17 comprises: be configured in the preceding stringer board 16A of formation house parts 16 and the centre of the short transverse between the stringer board 16B of back, and constitute flat rectangular treatment device mounting plate 17A with wide cut; From the front end (with the end of motor 9 opposite sides) of this treatment device mounting plate 17A towards the upwardly extending upper vertical plate 17B of connecting plate 16C; And the following riser 17C that extends downwards towards oil hydraulic pump 11 from the rear end (ends of motor 9 one sides) of above-mentioned treatment device mounting plate 17A.In addition, be formed with the groove part 17D that oil hydraulic pump 11 enters at following riser 17C, by configuration oil hydraulic pump 11 in this groove part 17D, following riser 17C motor 9 relatively covers oil hydraulic pump 11 effectively.
On the other hand, for example on upper vertical plate 17B, following riser 17C, be provided for this mask 17 is installed in the preceding stringer board 16A of house parts 16, the carriage 17E on the stringer board 16B of back.This carriage 17E not only can be arranged on upper vertical plate 17B, the following riser 17C, but also can be arranged on the treatment device mounting plate 17A.
Have, the treatment device mounting plate 17A of mask 17 is members that emission-control equipment 18 described later is installed, and forms approximate horizontal and smooth plate body again.Thus, treatment device mounting plate 17A can stably be installed in emission-control equipment 18 top of oil hydraulic pump 11.
And, as the mask 17 of fire bulkhead, before being configured in the mode of upper vertical plate 17B under the connecting plate 16C of house parts 16 between stringer board 16A, the back stringer board 16B, and before each carriage 17E is fixed by bolts on stringer board 16A, the back stringer board 16B.Thus, mask 17 can be by groove part 17D with the state configuration of crossing over oil hydraulic pump 11 upside at this oil hydraulic pump 11.
The installation exercise of this mask 17 can carry out under the state that house parts 16 is configured in broad operation place, owing to need not to cut apart mask 17, so compare with the installation exercise on Assembly line, can simply and correctly install.In addition, between the preceding stringer board 16A and back stringer board 16B that step-like mask 17 are installed in house parts 16, thereby this mask 17 can improve the rigidity of house parts 16.
Here, the treatment device main body that is contained among the tubular shell 18A is described, as the known silencer (exhaust-gas silencer) that the reduction waste gas noise is arranged of this treatment device main body; The particle-like substance removal device that is constituted by oxidation catalyst or filter in order to capture and remove particle-like substance contained in the waste gas (PM); Use the NOx purification plant of nitrogen oxide (NOx) contained in the aqueous solution of urea purifying exhaust air etc.These treatment device main bodys can either be used separately, also can be used in combination.
And, emission-control equipment 18 is by installing the antivibrating parts 19 that treatment device is used at each mounting bracket 18D, and this antivibrating parts 19 is installed on the treatment device mounting plate 17A of mask 17, thereby can carry on this treatment device mounting plate 17A with the vibrationproof state.
Therefore, emission-control equipment 18 is different with the vibration system of motor 9 by mask 17, circle round on the house parts 16 of a part of frame 5 except being installed in formation, also by antivibrating parts 19 vibrationproof be supported on the mask 17.Thereby; the vibration of motor 9 can not be delivered on the emission-control equipment 18; when travelling or the vibration that is taken place by top swiveling body 3 during operation also relaxed, therefore can protect equipment class such as the catalyzer that is loaded in the emission-control equipment 18, filter, sensor to avoid vibrating the influence that causes.
And, treatment device subassembly 15 as a parts assembling for example suspends in midair on the frame 5 of getting off to be placed on to circle round from the upside of oil hydraulic pump 11, under this state, be installed on the frame 5 of circling round by the bottom with house parts 16, thereby can mask 17 and emission-control equipment 18 be installed together with simple operation.
In addition, mark 21 is arranged on flue gas leading 20 flexible tube midway, this flexible tube 21 absorbs the relative displacement (position skew between the two) of pressurized machine 9C and the emission-control equipment 18 of motor 9, forms for example metal cylinder of bellows-shaped to have flexible material.And flexible tube 21 uses welding method to be fixed on flue gas leading 20 integratedly midway.
Here, in Fig. 6, Fig. 7 etc., flue gas leading 20 and flexible tube 21 are to assemble and illustrated structure as the part for the treatment of device subassembly 15, but flue gas leading 20 and flexible tube 21 also can be made the structure that is assembled in motor 9 one sides in advance.
The hydraulic shovel 1 of present embodiment has aforesaid structure, below the action of this hydraulic shovel 1 is described.
At first, the operator enters in the operator cabin 6 and occupies on the driver's seat.Under this state, the operating stem of using by operational drive, thus can drive bottom runner 2 and hydraulic shovel 1 is advanced or retreat.In addition, occupy the operating stem that the operator on the driver's seat uses by operation task, apparatus for work 4 is faced upward bow motion and carried out the digging operation etc. of native sand.
When 1 running of this hydraulic shovel, motor 9 produces vibration, but owing to by mask 17, house parts 16 emission-control equipment 18 is installed in frame 5 one sides of circling round, and flue gas leading 20 flexible tube 21 is set midway, thereby isolate with motor 9.Like this, can protect emission-control equipment 18 to avoid the influence of the vibration of motor 9.
Have again, emission-control equipment 18 by antivibrating parts 19 vibrationproof be supported on the mask 17.Thus, in the time of can relaxing bottom runner 2 and travel or apparatus for work 4 be delivered to vibration on the emission-control equipment 18, the influence that can protect emission-control equipment 18 to avoid vibrating when carrying out operation.
Like this, according to present embodiment, by relatively to erect in the frame 5 of circling round at fore-and-aft direction across the mode of oil hydraulic pump 11 two stringer board 16A, 16B being set, and use connecting plate 16C to connect this two stringer board 16A, 16B, thereby these house parts 16 can form the pump chamber 8C that surrounds oil hydraulic pump 11.In addition, by between each stringer board 16A, 16B and at the downside of connecting plate 16C, mask 17 being set on the house parts 16, thereby can block between motor 9 and the oil hydraulic pump 11.Have again, owing to set handling device mounting plate 17A on mask 17, therefore can emission-control equipment 18 be installed at this treatment device mounting plate 17A.
Therefore, emission-control equipment 18 can be installed on the house parts 16 different with the vibration system of motor 9 by mask 17.Its result; the vibration that can prevent motor 9 is delivered on the emission-control equipment 18; can protect equipment class such as the catalyzer that is loaded in the emission-control equipment 18, filter, sensor to avoid the influence of the vibration of motor 9, can improve durability or working life.
In addition, emission-control equipment 18 is supported on the treatment device mounting plate 17A of mask 17 with can using antivibrating parts 19 vibrationproof that disposal plant uses.Thus, the influence of the vibration in the time of can protecting the equipment class that is loaded in the emission-control equipment 18 to avoid travelling, during operation can improve durability, reliability.
On the other hand, by house parts 16 are assembled into mask 17 and emission-control equipment 18 on these house parts 16 in advance as critical piece and can form treatment device subassembly 15.And this treatment device subassembly 15 can be installed on the frame 5 of circling round as parts.Therefore, mask 17 when installation exercise when not required between, do not need to be divided into a plurality of parts, can be installed at an easy rate at short notice on the frame 5 of circling round.
In addition, because mask 17 constitutes fire bulkhead, and this fire bulkhead is made of the plate with the level that treatment device mounting plate 17A, upper vertical plate 17B, following riser 17C constitute, therefore, when forming smooth treatment device mounting plate 17A, can cover between motor 9 and the oil hydraulic pump 11.
In addition, owing at the flue gas leading 20 of motor 9 flexible tube 21 is set midway, therefore can be absorbed in the vibration that motor 9 sides and frame 5 sides of circling round relatively produce by the distortion of flexible tube 21, can prevent from reliably the vibration of motor 9 is delivered on the emission-control equipment 18, can improve durability.
Have again, owing to form the groove part 17D that oil hydraulic pump 11 enters at the following riser 17C of mask 17, therefore oil hydraulic pump 11 can be configured in this groove 17D.Thus, mask 17 can be by groove part 17D with the state configuration of crossing over oil hydraulic pump 11 upside at this oil hydraulic pump 11, thereby can cover oil hydraulic pump 11 effectively to motor 9.
Also having, in the present embodiment, is that example is illustrated to have made emission-control equipment 18 is installed in the structure on the treatment device mounting plate 17A of mask 17 with the vibrationproof state by antivibrating parts 19 occasion.But the present invention is not limited thereto, and also can make and for example use U bolt, bolt and nut etc. emission-control equipment 18 to be fixedly mounted in structure on the treatment device mounting plate 17A of mask 17.
In addition, in the present embodiment, be that example is illustrated with the occasion of mask 17 being made plate with the level by a block plate is implemented bending.But the present invention is not limited thereto, and also mask can be made the structure that the fixed mechanism that uses welding, bolt etc. is made the polylith steel plate plate with the level.
Having, in mode of execution, as engineering machinery, is that example is illustrated with the hydraulic shovel 1 that possesses caterpillar bottom runner 2 again.But the present invention is not limited thereto, and also can be applied to for example possess the hydraulic shovel of wheeled bottom runner.Other engineering machinery that can also be widely used in addition, wheel loader, dump truck, lift-truck etc.
Claims (6)
1. engineering machinery, possess can be voluntarily car body, be arranged in the engine compartment of this car body and carry motor on the frame that constitutes above-mentioned car body, be arranged on the oil hydraulic pump of side's side of length direction of this motor and the emission-control equipment that is connected and handles waste gas by outlet pipe and above-mentioned motor by antivibrating parts, it is characterized in that
On the above-mentioned frame of above-mentioned car body, for the side at the length direction of above-mentioned motor forms the pump chamber that surrounds above-mentioned oil hydraulic pump and the house parts is set, above-mentioned oil hydraulic pump is erect two stringer boards that arrange to these house parts and the connecting plate that connects between this each stringer board constitutes by clipping
The mask that blocks between above-mentioned motor and the oil hydraulic pump is set between above-mentioned each stringer board of these house parts,
Be provided for installing the treatment device mounting plate of above-mentioned emission-control equipment at this mask,
Above-mentioned treatment device mounting plate at above-mentioned mask is installed above-mentioned emission-control equipment,
Connect above-mentioned motor and be installed on the emission-control equipment on the above-mentioned treatment device mounting plate above-mentioned outlet pipe flexible tube is set midway.
2. engineering machinery according to claim 1 is characterized in that,
Set handling device antivibrating parts between above-mentioned treatment device mounting plate and emission-control equipment.
3. engineering machinery according to claim 1 is characterized in that,
Above-mentioned mask is positioned between above-mentioned two stringer boards that constitute the premises parts, and is configured in the downside of above-mentioned connecting plate.
4. engineering machinery according to claim 3 is characterized in that,
Above-mentioned mask is the fire bulkhead that is formed by following each several part, namely, be configured in the centre of the short transverse between above-mentioned two stringer boards and form flat above-mentioned treatment device mounting plate; The end of an opposite side with motor is towards the upwardly extending upper vertical plate of above-mentioned connecting plate from this treatment device mounting plate; And from this treatment device mounting plate, start the end of pusher side towards the following riser of the downward extension of above-mentioned oil hydraulic pump.
5. engineering machinery according to claim 1 is characterized in that,
By being that critical piece is assembled above-mentioned mask to these house parts in advance and emission-control equipment forms the treatment device subassembly with the premises parts, again this treatment device subassembly is installed on the above-mentioned car body as parts.
6. engineering machinery according to claim 1 is characterized in that,
Above-mentioned motor is configured with the horizontal state of above-mentioned relatively car body direction extension to the left and right, above-mentioned oil hydraulic pump is installed in a right and left side with respect to above-mentioned motor, the premises component configuration becomes above-mentioned two stringer boards to be positioned at the fore-and-aft direction of above-mentioned oil hydraulic pump, and above-mentioned mask is configured in the upside of above-mentioned oil hydraulic pump across above-mentioned oil hydraulic pump.
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| Application Number | Priority Date | Filing Date | Title |
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| JP2008-166328 | 2008-06-25 | ||
| JP2008166328 | 2008-06-25 | ||
| JP2008166328A JP4705130B2 (en) | 2008-06-25 | 2008-06-25 | Construction machinery |
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| CN101614148A CN101614148A (en) | 2009-12-30 |
| CN101614148B true CN101614148B (en) | 2013-10-09 |
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| CN2009101508481A Active CN101614148B (en) | 2008-06-25 | 2009-06-23 | Construction machinery |
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| JP (1) | JP4705130B2 (en) |
| KR (1) | KR101523778B1 (en) |
| CN (1) | CN101614148B (en) |
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| JP2012106836A (en) * | 2010-11-17 | 2012-06-07 | Tcm Corp | Diesel particulate filter mounting structure for industrial vehicle |
| DE112012000007B4 (en) | 2011-02-01 | 2016-08-04 | Komatsu Ltd. | Construction machinery |
| JP2012171596A (en) * | 2011-02-24 | 2012-09-10 | Hitachi Constr Mach Co Ltd | Construction machine |
| JP5641984B2 (en) * | 2011-03-07 | 2014-12-17 | 日立建機株式会社 | Work machine |
| GB2521284B (en) | 2012-07-25 | 2017-03-08 | Volvo Constr Equip Ab | Structure for preventing heat of muffler for contruction machine from being diffused |
| JP6081490B2 (en) * | 2012-12-11 | 2017-02-15 | 日立建機株式会社 | Hydraulic oil splash prevention device for construction machinery |
| WO2014155703A1 (en) * | 2013-03-29 | 2014-10-02 | 株式会社小松製作所 | Engine unit |
| JP5842887B2 (en) * | 2013-09-19 | 2016-01-13 | コベルコ建機株式会社 | Work machine |
| JP5993830B2 (en) * | 2013-10-30 | 2016-09-14 | 日立建機株式会社 | Construction machinery |
| JP6145029B2 (en) * | 2013-11-12 | 2017-06-07 | キャタピラー エス エー アール エル | Construction machinery |
| JP2015183546A (en) * | 2014-03-20 | 2015-10-22 | ヤンマー株式会社 | Engine device |
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| JP5723496B1 (en) | 2014-08-08 | 2015-05-27 | 株式会社小松製作所 | Excavator |
| JP6458509B2 (en) * | 2015-01-26 | 2019-01-30 | コベルコ建機株式会社 | Construction machinery |
| CN105051291B (en) * | 2015-02-27 | 2017-05-24 | 株式会社小松制作所 | Hydraulic shovel |
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| JP2021170958A (en) * | 2020-04-21 | 2021-11-01 | 井関農機株式会社 | Work vehicle |
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| KR20100002082A (en) | 2010-01-06 |
| CN101614148A (en) | 2009-12-30 |
| JP4705130B2 (en) | 2011-06-22 |
| JP2010007525A (en) | 2010-01-14 |
| KR101523778B1 (en) | 2015-05-28 |
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