CN204511590U - Engineering machinery - Google Patents
Engineering machinery Download PDFInfo
- Publication number
- CN204511590U CN204511590U CN201520049314.0U CN201520049314U CN204511590U CN 204511590 U CN204511590 U CN 204511590U CN 201520049314 U CN201520049314 U CN 201520049314U CN 204511590 U CN204511590 U CN 204511590U
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- Prior art keywords
- reducing agent
- supply pump
- container
- stringer board
- engineering machinery
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Abstract
A kind of engineering machinery, manages to configure supply pump thus prevents the stone equivalent damage supply pump that disperses under steam.The reduction device (40) for the waste gas supply reducing agent to motor (65) is equipped with in upper rotating body (12).Reduction device (40) has the container for reducing agent (41) of storage and reduction agent and is stored in the reducing agent of container for reducing agent (41) and the supply pump (42) sent in the exhaust pathway of motor (65) for drawing.Container for reducing agent (41) is disposed in the ratio stringer board (22) of upper rotating body (12) more by the outside in vehicle-width direction.Supply pump (42) is disposed between stringer board (22) and container for reducing agent (41).
Description
Technical field
The utility model relates to engineering machinery.
Background technique
In recent years, in order to reduce NOx etc. contained in waste gas, the Work machine being equipped with SCR (SelectiveCatalytic Reduction, catalysts selective reduces) system increases.In SCR system, generally the reducing agents such as urea water are added to the reduction promoting NOx etc. in waste gas.
Patent documentation 1 discloses following formation: namely, and liquid reducer container is connected with outlet pipe by liquid reducer supplying pipe, thus liquid reducer supply pump can be utilized to be supplied to outlet pipe by the aqueous solution of urea in liquid reducer container.
Patent documentation 1: Japanese Unexamined Patent Publication 2003-20936 publication
But, in the technological scheme of patent documentation 1, where carry out various research to container for reducing agent being configured at upper rotating body, but do not recorded the concrete configuration of supply pump.Therefore, according to the equipping position of supply pump, the lower traveling body deposited under steam makes the stone, rubble etc. dispersed collide and damage the problem of supply pump.
Model utility content
The utility model completes in view of the foregoing, its objective is by managing to configure supply pump, thus prevents the stone equivalent damage supply pump that disperses under steam.
Of the present utility model to as if to be a kind ofly equipped with by reducing the engineering machinery of reduction device of waste gas to the waste gas supply reducing agent of motor in upper rotating body, seek following solution.
Namely, the feature of the first technological scheme is, above-mentioned upper rotating body has base plate and erects the pairing left and right stringer board arranging and also extend along the longitudinal direction from this base plate, above-mentioned reduction device has the container for reducing agent that stores above-mentioned reducing agent and for drawing the reducing agent being stored in this container for reducing agent and the supply pump sent in the exhaust pathway of above-mentioned motor, above-mentioned container for reducing agent is disposed in the above-mentioned stringer board of ratio of above-mentioned upper rotating body more by the outside in vehicle-width direction, and above-mentioned supply pump is disposed between above-mentioned stringer board and above-mentioned container for reducing agent.
In the first technological scheme, more arrange container for reducing agent by the outside in vehicle-width direction at the ratio stringer board of upper rotating body, between stringer board and container for reducing agent, arrange supply pump.
According to such structure, when observing in side, supply pump is reduced agent container covering, even if so the lower traveling body in travelling makes stone, rubble etc. disperse, stone, rubble etc. also can not collide supply pump.In addition, supply pump is disposed in than the position of container for reducing agent closer to the rotating center of upper rotating body, thus can reduce upper rotating body because of traveling when rotating, digging operation and swing time the impact of impact force.
The feature of the second technological scheme on the basis of the first technological scheme is, above-mentioned supply pump is installed on the side wall surface of above-mentioned stringer board.
In the second technological scheme, install supply pump at the side wall surface of the high stringer board of rigidity, thus do not arrange vibrationproof installation etc. in addition the vibration in traveling just can be suppressed to reach supply pump, supply pump is easy damaged not.
The feature of 3rd technological scheme on the basis of the first or second technological scheme is, in the inside of above-mentioned supply pump, the filter component of tubular is received as can pick and place along cylinder axis direction, this filter component is used for foreign matter removing that will be contained in the reducing agent that draw from above-mentioned container for reducing agent, and above-mentioned supply pump arranges as picking and placeing the posture of above-mentioned filter component along oblique below.
In the technological scheme of the 3rd, supply pump is arranged the posture for can pick and place filter component from oblique below, so when worker stretches out one's hand and changes filter component above supply pump, easily carry out the operation picking and placeing filter component.
The feature of 4th technological scheme on the basis any one of the first ~ three technological scheme is, the front side of the above-mentioned container for reducing agent in above-mentioned upper rotating body is equipped with the toolbox for receiving instrument, and above-mentioned toolbox arranges as there is gap between above-mentioned stringer board in the mode do not overlapped with above-mentioned supply pump when front is observed.
In the 4th technological scheme, the mode do not overlapped with supply pump time between toolbox with stringer board to observe in front arranges gap.Thus, worker can stretch out one's hand from this gap when carrying out the maintenance of supply pump and touch supply pump, and maintainability improves.
The feature of 5th technological scheme on the basis of the 4th technological scheme is, is set to load and unload by the positive face shield covering above-mentioned supply pump between above-mentioned toolbox and above-mentioned stringer board when front is observed.
In the 5th technological scheme, when observing in front, supply pump is covered lid by front, so supply pump can be protected away from stone, rubble etc., and can take off positive face shield to safeguard supply pump.
The feature of 6th technological scheme on the basis any one of the first ~ five technological scheme is, possesses the jar of the top covering above-mentioned container for reducing agent and above-mentioned supply pump.
In the 6th technological scheme, jar is utilized to cover the top of container for reducing agent and supply pump, so compare can reduce components number with the situation of the cover of the cover with supply pump that arrange container for reducing agent respectively.In addition, jar can be utilized to protect container for reducing agent and supply pump away from rainwater etc.
The feature of 7th technological scheme on the basis of the 6th technological scheme is, the upper surface of said vesse cover is configured for the tread for the upper and lower above-mentioned upper rotating body of worker.
In the 7th technological scheme, worker, when upper and lower upper rotating body, can utilize jar as tread, so do not need to arrange horse block in addition, can reduce components number.
The feature of 8th technological scheme on the basis of the 6th or the 7th technological scheme is, said vesse is hood-shaped becomes stepped, and there is the jar portion of the top covering above-mentioned container for reducing agent and this jar portion of aspect ratio low and arrange with overlapping with above-mentioned stringer board when side is observed and cover the pump cover portion above above-mentioned supply pump, between the edge by above-mentioned stringer board side and the side wall surface of this stringer board in said pump cover portion, accompany sealed member.
In the 8th technological scheme, on jar, cover the jar portion of the top of container for reducing agent, with cover the pump cover portion of top of supply pump with stepped setting.Pump cover portion overlaps with stringer board when observing in side, between pump cover portion and stringer board, accompany sealed member.Thus, rainwater etc. can not spill and supply pump of getting wet from the gap of pump cover portion and stringer board, can reliably protect supply pump away from rainwater etc.
The feature of 9th technological scheme on the basis of the 8th technological scheme is, said pump cover portion is along with towards vehicle front towards oblique inclined downward.
In the 9th technological scheme, make pump cover portion along with towards vehicle front towards oblique inclined downward, so rainwater etc. flow down along the plane of inclination in pump cover portion, rainwater etc. can not stay the upper surface in pump cover portion.
According to the utility model, when observing in side, supply pump is reduced agent container covering, even if so the lower traveling body in travelling makes stone, rubble etc. disperse, stone, rubble etc. also can not collide supply pump.In addition, supply pump is disposed in than the position of container for reducing agent closer to the rotating center of upper rotating body, thus can reduce upper rotating body because of traveling when rotating, digging operation and swing time the impact of impact force.
Accompanying drawing explanation
Fig. 1 is the plan view of the brief configuration of the engineering machinery that mode of execution 1 of the present utility model is shown.
Fig. 2 is the side view of the structure that toolbox and jar are shown.
Fig. 3 is the plan view of the structure that reduction device is shown.
Fig. 4 is the side view of the structure that supply pump and jar are shown.
Fig. 5 is the plan view of the structure of the reduction device that present embodiment 2 is shown.
Fig. 6 is the side view of the structure that supply pump and jar are shown.
Fig. 7 is the plan view of the structure that toolbox is shown.
Fig. 8 is the plan view of the structure that reduction device is shown.
The explanation of reference character
10 ... engineering machinery; 12 ... upper rotating body; 21 ... base plate; 22 ... stringer board; 30 ... toolbox; 40 ... reduction device; 41 ... container for reducing agent; 42 ... supply pump; 42a ... filter component; 45 ... jar; 45a ... jar portion; 45b ... pump cover portion; 46 ... positive face shield; 47 ... sealed member; 65 ... motor.
Embodiment
Below, based on accompanying drawing, mode of execution of the present utility model is described.In addition, the explanation of following preferred implementation is in fact only illustrate, not for limiting the utility model, its applicable thing or its purposes.With arrow, direction up and down, is all around shown in each figure.Unless otherwise specified, according to the direction shown by these arrows, the direction such as is up and down described.
" mode of execution 1 "
Fig. 1 is the plan view of the brief configuration of the engineering machinery that present embodiment 1 is shown.This project machinery 10 is the hydraulic shovels being equipped with upper rotating body 12 on caterpillar lower traveling body 11.The upper frame 20 of upper rotating body 12 is provided with accessory 13, cockpit 14, counterweight 15, toolbox 30, reduction device 40, fuel container 51, action oil vessel 52 and machine room 55 etc.
The pairing left and right stringer board 22 that the intermediate portion that the upper frame 20 of upper rotating body 12 has base plate 21 and the left and right width direction on base plate 21 extends along the longitudinal direction.Rear section in the upper end of stringer board 22 engages with banded stiffening plate 22a, and the section of stiffening plate 22a is formed as approximate T-shaped.The swing arm root bearing pin 25 extended along left and right vehicle wheel direction is supported with in the front part of a pair stringer board 22.Accessory 13 is made up of swing arm 13a, arm etc., and the base end part of swing arm 13a is supported to and can rotates on swing arm root bearing pin 25.
Be equipped for equipping driver's seat, various operation equipment and surveying instrument and marking off the cockpit 14 of the operating space of worker at the front left of upper rotating body 12.The fuel container 51 of the fuel storing engine-driving is equipped at the rear portion of cockpit 14.
Be equipped with the action oil vessel 52 of the action oil of toolbox 30, container for reducing agent 41 and storage liquid pressure-controlled successively from front on the anterior right side of upper rotating body 12.More vehicle front is provided with horse block 24 in the ratio toolbox 30 of the upper frame 20 of upper rotating body 12.In addition, the concrete structure of toolbox 30 and container for reducing agent 41 is aftermentioned.
At the rear portion of upper rotating body 12 to be provided with machine room 55 throughout the mode of the left and right sides.Machine room 55 is covered by machine room cover 55a.Machine room 55 is divided into induction chamber 56, engine compartment 57 and pump chamber 58 successively from a left side, be provided with motor 65, radiator 62, oil hydraulic pump 66 etc. therein.
Sucking pipe 60 is equipped at induction chamber 56.At the upstream side in the air circulation direction of sucking pipe 60, dust-proof filter 61 is installed.Division wall between induction chamber 56 and engine compartment 57 is provided with radiator 62.
Engine compartment 57 is provided with motor 65.Pump chamber 58 is provided with oil hydraulic pump 66.Be equipped in the scope of pump chamber 58 from engine compartment 57 from motor 65 extend outlet pipe 67, silencing apparatus 68.The waste gas of discharging from motor 65 is discharged to the outside of machine room 55 via outlet pipe 67, silencing apparatus 68.Be equipped near radiator 62 in engine compartment 57 and driven by motor 65 and the fan 63 of the cooling rotated.The surrounding of fan 63 is covered by fan guard 64.
As shown in Figure 2, toolbox 30 has box main body 31, and this box main body 31 inside has accommodation space S and is formed for the opening portion 31a at accommodation space S fetching tool; With open-close lid 35, this open-close lid 35 can the opening portion 31a of opening and closing box main body 31.
The opening portion 31a of box main body 31 is formed as opening upward.Be provided with hinged 32 in the upper end portion of the rear sidewall of box main body 31, this hinged 32 has the rotatingshaft 32a extended in left-right direction.The upper edge of open-close lid 35 is installed on box main body 31 via hinged 32.Thus, open-close lid 35 can opening and closing centered by the rotatingshaft 32a of hinged 32.Open-close lid 35 is installed on box main body 31 with the state oliquely downward tilted from upper edge to lower edge portion when closing opening portion 31a.
Be formed with stepped part 36 at open-close lid 35, this stepped part 36 caves in accommodation space S side in the substantial middle position of open-close lid 35 true dip direction.Stepped part 36 is provided with antislip plate 38, constitute for step on when upper and lower upper rotating body 12 for worker horse block 24 time the tread placed for pin.
Ratio stepped part 36 position more on the right side of open-close lid 35 is provided with locking framework 37, and this locking framework 37 is locked under the state that is opened and closed lid 35 at the opening portion 31a of box main body 31 and closes and is kept.
The engineering machinery 10 of present embodiment possesses reduction device 40, and in order to reduce NOx etc. contained in waste gas, this reduction device 40 uses urea water as reducing agent.Urea water in water, adds the urea of established amount and the aqueous solution obtained.
As shown in Figure 1, reduction device 40 have storage and reduction agent container for reducing agent 41, for drawing the reducing agent being stored in container for reducing agent 41 and the supply pump 42 sent in the exhaust pathway of motor 65 and the reducing agent injection portion 48 of being sprayed in exhaust pathway by the reducing agent sent into from supply pump 42.Container for reducing agent 41 is connected via sucking pipe arrangement 43a with supply pump 42.Supply pump 42 is connected via supplying tubing 43b with reducing agent injection portion 48.
As shown in Figure 3, container for reducing agent 41 ratio stringer board 22 outside and be positioned at the rear side in toolbox 30 more on the right side that is disposed in upper rotating body 12.Between stringer board 22 and container for reducing agent 41, be provided with gap, supply pump 42 is disposed in this gap, thus overlaps with container for reducing agent 41 when observing in side.Supply pump 42 via be welded in stringer board 22 side wall surface mounting bracket 44 and be installed on the side wall surface of stringer board 22.
The top of container for reducing agent 41 and supply pump 42 is covered by jar 45.The left part of jar 45 extends in the mode of the top crossing over stringer board 22.Thus, prevent rainwater etc. from spilling and supply pump 42 of getting wet from the left part of jar 45 and the gap of stringer board 22.
The upper surface of jar 45 is provided with antislip plate 38, is configured for the tread for the upper and lower upper rotating body 12 of worker.The right hand edge of jar 45 extends downwards in the mode of the right side wall covering container for reducing agent 41.
By such structure, when observing in side, supply pump 42 is reduced agent container 41 and jar 45 covers, even if so the lower traveling body 11 in travelling makes stone, rubble etc. disperse, stone, rubble etc. also can not collide supply pump 42.
As shown in Figure 4, the inside of supply pump 42 is accommodated with the filter component 42a of tubular in the mode that can pick and place along cylinder axis direction, and this filter component 42a is used for foreign matter contained in the reducing agent drawn from container for reducing agent 41 to remove.Filter component 42a picks and places the lower front opening of mouth at supply pump 42, and partes tegmentalis 42b blocks.
Supply pump 42 so that the mode of filter component 42a can be picked and placeed from oblique below, and to be installed on the side wall surface of stringer board 22 along with the posture tilted obliquely towards vehicle front.Thus, when changing filter component 42a, worker takes off the top plate portion of jar 45, just can stretch out one's hand from the top of supply pump 42 thus easily carry out picking and placeing the operation of filter component 42a.
" mode of execution 2 "
Fig. 5 is the plan view of the structure of the reduction device that present embodiment 2 is shown.Below, identical reference character is marked to the part identical with above-mentioned mode of execution 1, only difference is described.
As shown in Fig. 5 ~ Fig. 8, the front side of the container for reducing agent 41 in upper rotating body 12 is equipped with toolbox 30.The mode do not overlapped with supply pump 42 when toolbox 30 is observed with front arranges as there is gap between stringer board 22.The positive face shield 46 covering supply pump 42 when front is observed detachably is provided with between toolbox 30 and stringer board 22.
By such structure, worker is when carrying out the maintenance of supply pump 42, and take off positive face shield 46 and stretch out one's hand from the gap in stringer board 22 and toolbox 30, just can touch supply pump 42 from the front side of upper rotating body 12, maintainability improves.
Jar 45 is formed as stepped, has the jar portion 45a of top that covers container for reducing agent 41 and aspect ratio jar portion 45a low and arrange with overlapping with stringer board 22 when side is observed and cover the pump cover portion 45b above supply pump 42.
Pump cover portion 45b is along with towards vehicle front towards oblique inclined downward.And, between the edge by stringer board 22 side and the side wall surface of stringer board 22 of pump cover portion 45b, accompany sealed member 47.
Like this, make pump cover portion 45b to vehicle front and towards oblique inclined downward, thus rainwater etc. flow down, so rainwater etc. can not rest on the upper surface of pump cover portion 45b along the plane of inclination of pump cover portion 45b.In addition, between pump cover portion 45b and stringer board 22, accompany sealed member 47, so rainwater etc. can not spill and supply pump 42 of getting wet from the gap of pump cover portion 45b and stringer board 22, can reliably protect supply pump 42 away from rainwater etc.
The possibility of industrial utilization
As mentioned above, the utility model manages configure supply pump thus can obtain the effect of the high practicability of the stone equivalent damage supply pump that can prevent from dispersing under steam, very useful and the possibility of industrial utilization is very high.
Claims (9)
1. an engineering machinery, is equipped with reduction device in upper rotating body, and this reduction device reduces waste gas by the waste gas supply reducing agent to motor,
The feature of described engineering machinery is,
Described upper rotating body has base plate and erects the pairing left and right stringer board arranging and also extend along the longitudinal direction from this base plate,
Described reduction device has the container for reducing agent that stores described reducing agent and for drawing the reducing agent being stored in this container for reducing agent and the supply pump sent in the exhaust pathway of described motor,
Described in the ratio that described container for reducing agent is disposed in described upper rotating body, stringer board is more by the outside in vehicle-width direction,
Described supply pump is disposed between described stringer board and described container for reducing agent.
2. engineering machinery according to claim 1, is characterized in that,
Described supply pump is installed on the side wall surface of described stringer board.
3. engineering machinery according to claim 1 and 2, is characterized in that,
Receive the filter component of tubular for can pick and place along cylinder axis direction in the inside of described supply pump, this filter component is used for foreign matter removing contained in the reducing agent will drawn from described container for reducing agent,
Described supply pump arranges the posture for can pick and place described filter component along oblique below.
4. engineering machinery according to claim 1, is characterized in that,
The front side of the described container for reducing agent in described upper rotating body is equipped with the toolbox for receiving instrument,
Described toolbox arranges as there is gap between described stringer board in the mode do not overlapped with described supply pump when front is observed.
5. engineering machinery according to claim 4, is characterized in that,
Between described toolbox and described stringer board, the positive face shield covering described supply pump when front is observed is set to load and unload.
6. engineering machinery according to claim 1, is characterized in that,
Possesses the jar of the top covering described container for reducing agent and described supply pump.
7. engineering machinery according to claim 6, is characterized in that,
The upper surface of described jar is configured for the tread for the upper and lower described upper rotating body of worker.
8. the engineering machinery according to claim 6 or 7, is characterized in that,
Described jar is formed as stepped, and there is the jar portion of the top covering described container for reducing agent and this jar portion of aspect ratio low and arrange with overlapping with described stringer board when side is observed and cover the pump cover portion above described supply pump,
Sealed member is accompanied between the edge by described stringer board side and the side wall surface of this stringer board in described pump cover portion.
9. engineering machinery according to claim 8, is characterized in that,
Described pump cover portion is along with towards vehicle front towards oblique inclined downward.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014010635A JP5895951B2 (en) | 2014-01-23 | 2014-01-23 | Construction machinery |
| JP2014-010635 | 2014-01-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204511590U true CN204511590U (en) | 2015-07-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520049314.0U Active CN204511590U (en) | 2014-01-23 | 2015-01-23 | Engineering machinery |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5895951B2 (en) |
| CN (1) | CN204511590U (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7073953B2 (en) * | 2018-07-12 | 2022-05-24 | コベルコ建機株式会社 | Construction machinery |
| WO2023175900A1 (en) * | 2022-03-18 | 2023-09-21 | 三菱電機株式会社 | Heat pump heat-source device |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3939883B2 (en) * | 1999-09-22 | 2007-07-04 | 日立建機株式会社 | Swivel construction machine |
| JP3738680B2 (en) * | 2000-09-19 | 2006-01-25 | 日立建機株式会社 | Outside air introduction mechanism of air conditioner for construction machinery |
| JP2003020936A (en) * | 2001-07-03 | 2003-01-24 | Komatsu Ltd | ARRANGEMENT STRUCTURE FOR LIQUID REDUCING AGENT TANK FOR NOx REDUCTION CATALYST |
| JP2009535253A (en) * | 2006-04-27 | 2009-10-01 | ボルボ ラストバグナー アーベー | Liquid receiver for vehicles |
| JP4824606B2 (en) * | 2007-03-13 | 2011-11-30 | 日立建機株式会社 | Construction machinery |
| JP4901545B2 (en) * | 2007-03-28 | 2012-03-21 | Ｕｄトラックス株式会社 | Exhaust purification device |
| CN101595284A (en) * | 2007-06-26 | 2009-12-02 | 日立建机株式会社 | Self-propelled engineer machinery |
| JP5257117B2 (en) * | 2009-02-16 | 2013-08-07 | コベルコ建機株式会社 | Construction machine step structure |
| JP4937291B2 (en) * | 2009-03-30 | 2012-05-23 | 住友建機株式会社 | Construction machinery |
| EP2863028B1 (en) * | 2012-07-05 | 2021-09-08 | Komatsu Ltd. | Engine unit and working vehicle |
| JP5325357B1 (en) * | 2012-10-26 | 2013-10-23 | 株式会社小松製作所 | Wheel loader |
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2014
- 2014-01-23 JP JP2014010635A patent/JP5895951B2/en active Active
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2015
- 2015-01-23 CN CN201520049314.0U patent/CN204511590U/en active Active
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| Publication number | Publication date |
|---|---|
| JP5895951B2 (en) | 2016-03-30 |
| JP2015137615A (en) | 2015-07-30 |
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| GR01 | Patent grant |