CN104350210A - Work machine - Google Patents
Work machine Download PDFInfo
- Publication number
- CN104350210A CN104350210A CN201380029397.0A CN201380029397A CN104350210A CN 104350210 A CN104350210 A CN 104350210A CN 201380029397 A CN201380029397 A CN 201380029397A CN 104350210 A CN104350210 A CN 104350210A
- Authority
- CN
- China
- Prior art keywords
- radiator
- discharging tube
- opening
- engine room
- fan shroud
- 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.)
- Granted
Links
- 238000007599 discharging Methods 0.000 claims description 52
- 239000012809 cooling fluid Substances 0.000 claims description 25
- 238000001816 cooling Methods 0.000 claims description 14
- 239000012530 fluid Substances 0.000 claims description 10
- 238000012423 maintenance Methods 0.000 abstract description 14
- 239000002826 coolant Substances 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 239000007788 liquid Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
-
- 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
- E02F9/0833—Improving access, e.g. for maintenance, steps for improving driver's access, handrails
-
- 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
-
- 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
- E02F9/0883—Tanks, e.g. oil tank, urea tank, fuel tank
-
- 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
- E02F9/0891—Lids or bonnets or doors or details thereof
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Component Parts Of Construction Machinery (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The purpose of the present invention is to smoothly conduct maintenance work on a heat exchanger without the need to crawl under the machine body to work when draining coolant from the heat exchanger. A side of an engine compartment (75) can be opened and closed by means of a side cover (90) of the engine compartment (75), and a radiator (61) has a drain port (69) for draining the coolant. One end of a drain hose (71) is connected to the drain port (69), and the other end of the drain hose (71) can be pulled outside of the engine compartment (75) by opening the side cover (90).
Description
Technical field
The present invention relates to the Work machine of hydraulic excavator, backacter etc.
Background technology
In the past, the technology possessing the Work machine of heat interchanger (radiator) has been well-known (such as patent document 1).
In the past, in Work machine, be configured with bottom in the below of radiator, bottom reserve the bottom outlet for discharging cooling fluid from radiator.
But, when operating personnel carries out the maintenance activity of radiator, when cooling fluid is discharged to engine room outside from radiator, discharged by the bottom outlet of the below of described radiator to make cooling fluid, must pierce below body and carry out operation, be difficult to successfully carry out maintenance activity.
Prior art document
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2012-36671 publication
Summary of the invention
Technical problem to be solved by this invention
The invention provides a kind of Work machine, when operating personnel carries out the maintenance activity of heat interchanger, when cooling fluid is discharged to engine room outside from heat interchanger, does not need to pierce below body and carry out operation, successfully can carry out maintenance activity.
For the technical scheme of dealing with problems
The present invention possesses the heat interchanger cooling fluid of motor being carried out cooling in engine room, the side of described engine room can opening and closing by the side cover of this engine room, described heat interchanger has the leakage fluid dram of discharging described cooling fluid, in described leakage fluid dram, being connected with one end of discharging tube, the other end of described discharging tube can being fetched into the outside of described engine room by opening described side cover.
In the present invention, in described discharging tube, valve member is provided with.
In the present invention, bleed plug is provided with at the other end of described discharging tube.
The present invention possesses and is communicated with the cooling fan of described motor and the fan shroud of described heat interchanger, is formed with service ports, is provided with service cover in described service ports in the side of described fan shroud.
In the present invention, the service cover being located at described service ports is configured in hood side.
The effect of invention
As effect of the present invention, obtain effect as follows.
According to the present invention, the other end of discharging tube, by opening side cover, is fetched into the outside of engine room by operating personnel, when cooling fluid is discharged to engine room outside from heat interchanger, does not need to pierce below body and carries out operation.Thus, operating personnel successfully can carry out the maintenance activity of heat interchanger.
According to the present invention, the other end of discharging tube, by opening side cover, is fetched into the outside of engine room, opens valve member by operating personnel, thus discharges the cooling fluid in heat interchanger.
According to the present invention, the other end of discharging tube, by opening side cover, is fetched into the outside of engine room by operating personnel, bleed plug is unloaded the other end of discharging tube, thus discharges the cooling fluid in heat interchanger.
According to the present invention, operating personnel can open service cover, stretches in fan shroud from service ports by hand, carries out the maintenance activity of heat interchanger.
According to the present invention, operating personnel, by opening hood, carries out the maintenance activity of the opening and closing operation of service cover and the heat interchanger via service ports.
Accompanying drawing explanation
Fig. 1 is the figure that backacter is looked on the right side.
Fig. 2 is the figure overlooking backacter.
Fig. 3 is the figure representing riding manipulation portion.
Fig. 4 (a) is the figure that motor, radiator, fan shroud and pipeline are looked in the right side, and (b) is the figure looking up motor, radiator, fan shroud and pipeline.
Fig. 5 (a) is the figure facing motor, radiator, fan shroud and pipeline, and (b) is the figure of backsight motor, radiator, fan shroud and pipeline.
Fig. 6 (a) is the figure of the state representing the other end opening discharging tube, and (b) represents the figure by the state of the opening of the other end of the inaccessible discharging tube of bleed plug.
Fig. 7 (a) is the stereogram of the fan shroud of the state opening service cover, and (b) is the stereogram of the fan shroud of the state closing service cover, and (c) is the part enlarged side view of Fig. 7 (b).
Fig. 8 is the figure looking backacter in the state bottom right opening side cover.
Fig. 9 is the figure of backsight backacter under the state opening hood.
Detailed description of the invention
Below, with reference to accompanying drawing, Work machine (backacter 1) is described.
As shown in Figure 1 and Figure 2, backacter 1 is helicoid Work machine.Backacter 1 possesses: cterpillar drive 2; Body 3, is configured at the center upper portion of cterpillar drive 2, and can be loaded into cterpillar drive 2 pivotally in left and right; Apparatus for work 4 (swing arm 18, boom cylinder 19, dipper 20, bucket arm cylinder 21, scraper bowl 22 and bucket cylinder 23), is installed on the front portion of body 3; Bulldozing device 5 (dozer 29 and dozer oil cylinder 30), is installed on the side, front and back of cterpillar drive 2; And control valve device 10.
Cterpillar drive 2 has: running part 6L, 6R of caterpillar band type, be configured to pair of right and left; And oil pressure actuator (running motor), for driving running part 6L, 6R of left and right respectively.
Body 3 has: rotary rack 9, can be supported on the top of cterpillar drive 2 pivotally in left and right; And oil pressure actuator (rotary motor), turn round for making body about 3.Control valve device 10 is mounted with in the toe lateral of rotary rack 9, motor 11 is mounted with in the rear portion side of rotary rack 9, the heat interchanger (radiator) 61 cooling fluid of motor 11 cooled is configured with in the right of motor 11, motor 11 and radiator 61 are configured in engine room 75, are covered by hood 91.The detailed description of radiator 61 describes later.Be configured with riding manipulation portion 12 at the front upper side of motor 11, riding manipulation portion 12 is covered by driver's cabin 13.As shown in Figure 3, be provided with in riding manipulation portion 12: driver's seat 14; Walking rod 15L, 15R, for handling cterpillar drive 2; First operation bar 16L, for the revolution of the manipulation and body 3 of carrying out dipper 20; Second operation bar 16R, for handling swing arm 18 and scraper bowl 22; And for handling the dozer control stick 17 etc. of dozer 29.
As shown in Figure 1 and Figure 2, apparatus for work 4 has: swing arm 18, is connected with body 3; Oil pressure actuator (boom cylinder 19), rotates for making swing arm about 18; Dipper 20, is connected with swing arm 18; Oil pressure actuator (bucket arm cylinder 21), rotates for making dipper about 20; Scraper bowl 22, is connected with dipper 20; And oil pressure actuator (bucket cylinder 23), rotate for making scraper bowl about 22.
Swing arm bracket 24 is supported in the front portion of body 3, and an end of swing arm 18 is rotatably installed on body 3 via swing arm bracket 24.Swing arm 18, at middle part forwards warpage, is formed as side-looking in roughly " く " shape.Be rotatably mounted with dipper 20 in the other end of swing arm 18, be rotatably mounted with the scraper bowl 22 as operation accessory in the top ends of dipper 20.
Swing arm bracket 24 and be located at swing arm 18 middle part before boom cylinder bracket 25 between, be fitted with boom cylinder 19; Between the bucket arm cylinder bottom bracket 26 at the middle part back side being located at swing arm 18 and the bucket cylinder bracket 27 of base end part being located at dipper 20, be fitted with bucket arm cylinder 21; Bucket cylinder 23 is fitted with between bucket cylinder bracket 27 and the bucket bracket 28 being linked to scraper bowl 22.
Bulldozing device 5 has: dozer 29, is connected with the side, front and back of cterpillar drive 2; And oil pressure actuator (dozer oil cylinder 30), being plugged between dozer 29 and cterpillar drive 2, rotating for making dozer about 29.
, by the oil pressure actuated from oil pressure pump (not shown), described oil pressure pump is by the power drive of motor 11 for above-mentioned oil pressure actuator (running motor, rotary motor, boom cylinder 19, bucket arm cylinder 21, bucket cylinder 23 and dozer oil cylinder 30).
Control valve device 10 is fitted with between described oil pressure actuator and described oil pressure pump.Control valve device 10 is by various manipulation tool (walking rod 15L, the 15R in riding manipulation portion 12; First operation bar 16L; Second operation bar 16R; And dozer control stick 17) handle, by switching to the supply of the oil pressure oil from described oil pressure pump of described oil pressure actuator and discharge, control the action of described each oil pressure actuator.
Below, be described about radiator 61.
As shown in Fig. 4 (a), Fig. 4 (b), Fig. 5 (a) and Fig. 5 (b), radiator 61 has: upper tank 63; Lower tank 64; And radiator core 65, be situated between and be placed between tank 63 and lower tank 64.In upper tank 63, be provided with pipe installing port 66 and the cooling fluid inlet being assembled with radiator filler cap 67, in lower tank 64, be provided with lower pipe installing port 68 and leakage fluid dram 69.Upper pipe installing port 66 is connected via liquid back pipe 70 one end with the pipeline of the water jacket (not shown) of motor 11, and lower pipe installing port 68 is connected via the other end of supply pipe 72 with the pipeline of described water jacket.In described cooling fluid inlet, be provided with a point branch road, a route radiator filler cap 67 in described point of branch road is inaccessible, and another road in described point of branch road is connected with fluid reservoir 76 via liquid storage pipe 74.
Cooling fluid in radiator 61 is passed through with the water jacket of power-actuated water pump (not shown) force feed of motor 11 to motor 11, and circulates between water jacket and radiator 61.Flow through motor 11 water jacket and by cooled for motor 11 high temperature coolant by liquid back pipe 70, turn back to the upper tank 63 of radiator 61 from the water jacket of motor 11, the cooling fluid reaching tank 63 flows to lower tank 64 by many flexible pipes of radiator core 65, when by radiator core 65, undertaken dispelling the heat by the many fin be fixedly installed in the flexible pipe of radiator core 65 and cool.The cooling fluid flowing to lower tank 64 is pressed in the water jacket of motor 11 by supply pipe 72.
Pipeline 73 is configured with in the right of radiator 61.One end of discharging tube 71 is connected with in the leakage fluid dram 69 of the lower tank 64 of radiator 61.The middle part of discharging tube 71 is configured at the below of radiator 61 and pipeline 73, and the other end of discharging tube 71 is configured at the underside of forward of pipeline 73.In addition, the other end of discharging tube 71 is configured at the side being formed at the side service ports 75a of the right of radiator 61 described later, and has the length (with reference to Fig. 8) being fetched to the outside of engine room 75 by side service ports 75a.
Being provided with in the opening of the other end of discharging tube 71 can the bleed plug 77 of this opening of opening and closing.As shown in Fig. 6 (a) and Fig. 6 (b), bleed plug 77 possesses: bolt 78, can be chimeric with the opening inner circumferential of the other end of discharging tube 71; And fixed band 79, can be crimped on the opening periphery of the other end of discharging tube 71.Bleed plug 77 is under the state making bolt 78 chimeric with the opening inner circumferential of the other end of discharging tube 71, fixed band 79 is made to be crimped on the opening periphery of the other end of discharging tube 71 by screw 79a, by clamping the opening of the other end of discharging tube 71 with bolt 78 and fixed band 79, and be installed on the other end of discharging tube 71, the opening of the other end of inaccessible discharging tube 71.And, the state of the other end of discharging tube 71 is installed in from bleed plug 77, by unclamping the screw 79a of fixed band 79, and unloading bleed plug 77 (bolt 78 and fixed band 79) from the other end of discharging tube 71, opening the opening of the other end of discharging tube 71.By being opened the opening of the other end of discharging tube 71 by bleed plug 77, and become the state allowed based on the discharge of the cooling fluid in the radiator 61 of discharging tube 71, by the opening of the other end of inaccessible discharging tube 71, become the state cut off based on the discharge of the cooling fluid in the radiator 61 of discharging tube 71.
In addition, the valve member of tap etc. also can be used to replace bleed plug 77.
As shown in Fig. 4 (a), Fig. 4 (b), Fig. 5 (a) and Fig. 5 (b), be configured with fuel tank 80 in the front of radiator 61.Be configured with motor 11 in the left of radiator 61, between radiator 61 and motor 11, be configured with fan shroud 81.
The two ends, left and right of fan shroud 81 have the quadrangular barrel shape of opening.The service ports 82 (reference Fig. 7 (a)) being communicated with the space in fan shroud 81 and the outside of fan shroud 81 is formed in the rear side of fan shroud 81.Service cover 83 is installed on the circumferential lateral surface of fan shroud 81 with the state blocking service ports 82.Service cover 83 is can the component of opening and closing service ports 82, and freely forms with loading and unloading in the circumferential lateral surface of fan shroud 81.
Below, be described about the mounting structure between fan shroud 81 and service cover 83.As shown in Fig. 7 (a), Fig. 7 (b) and Fig. 7 (c), outstanding protuberance 84 is formed downwards in the lower end of service cover 83, in the below of the service ports 82 of fan shroud 81, be formed with the Embedded Division 85 of the protuberance 84 that can embed service cover.
Service cover 83 embeds the Embedded Division 85 of fan shroud 81 at its protuberance 84, under the state that protuberance 84 is pressed against the circumferential lateral surface of fan shroud 81 by inserting elastic component 86 between protuberance 84 and Embedded Division 85, its top is by being tightened against fan shroud 81 (above service ports 82) with screw 87,87 thus being installed on fan shroud 81.Thus, service ports 82 becomes the state blocked by service cover 83.
In addition, service cover 83, from the state being installed on fan shroud 81, by unloading screw 87,87, being extracted its protuberance 84 from Embedded Division 85, and being unloaded from fan shroud 81.Thus, service ports 82 becomes the state opened.
As shown in Fig. 4 (a), Fig. 4 (b), Fig. 5 (a) and Fig. 5 (b), the cooling fan (exhaust fan) 88 of motor 11 covers by the opening of the left end of fan shroud 81, and opening and the radiator 61 of the right-hand member of fan shroud are close to.Thus, the cooling fan 88 of motor 11 is connected by fan shroud 81 with radiator 61.Cooling fan 88 is connected with the output shaft of motor 11, utilizes the power of motor 11 to rotate.Left and right central portion in fan shroud 81 is configured with the oil cooler 89 being carried out by the working oil of lubrication oil, hydraulic machine cooling.
In backacter 1, by arranging service ports 82 and service cover 83 at fan shroud 81, operating personnel can open service cover 83, and stretch in fan shroud 81 by hand from service ports 82, the maintenance activity carrying out radiator 61 and oil cooler 89 becomes possibility.
Motor 11, radiator 61 and fan shroud 81 are configured in engine room 75.
The right of engine room 75 is covered by side cover 90, and the rear of engine room 75 is covered by hood 91
As shown in Figure 1, Figure 2 and shown in Fig. 8, side cover 90 is configured at the right of radiator 61, the right of radiator cover 61, makes the right of engine room 75 can opening and closing.Being formed with multiple hole 92 for discharging the air in engine room 75 at side cover 90, between side cover 90 and radiator 61, being configured with pipeline 73, between radiator 61 and the cooling fan 88 of motor 11, being configured with fan shroud 81.Thus, the hole 92 of side cover 90, via pipeline 73 and fan shroud 81, is communicated with the cooling fan 88 of motor 11.
By the cooling fan 88 of rolling motor 11, outer gas flows in engine room 75, and the outer gas flowed in engine room 75 passes through fan shroud 81 and pipeline 73, discharges from the hole 92 of side cover 90.Thus, radiator 61 and oil cooler 89 are cooled.
Be provided with handle 90a in the front portion of the periphery of side cover 90, the rear portion of side cover 90 is rotatably installed on the side frame 94 of the framework forming side service ports 75a via bracket 95 and hinge 96.Side cover 90, by holding handle 90a, rotates and carries out the opening and closing of side cover 90 by operating personnel forwards, backwards.By closing side cover 90, the right of radiator 61 becomes the state covered by side cover 90, by opening side cover 90, form opening (side service ports 75a) in the right of radiator 61, the right of radiator 61 becomes via side service ports 75a the state opened.
As mentioned above, the other end of discharging tube 71 is configured at the side of side service ports 75a, and is configured at the underside of forward of pipeline 73, has the length (with reference to Fig. 8) being fetched into the outside of engine room 75 by side service ports 75a.Thus, operating personnel is by opening side cover 90, hold the other end of discharging tube 71, the other end of discharging tube 71 is fetched into the outside of engine room 75 from side service ports 75a, unload bleed plug 77 from the other end of discharging tube 71, thus by discharging tube 71, the cooling fluid in radiator 61 can be discharged to the outside of engine room 75 by the side service ports 75a of the right of radiator 61.Thus, operating personnel does not need the below piercing body 3 to carry out operation, successfully can carry out the maintenance activity of radiator 61.
As shown in Figure 1, Figure 2 and shown in Fig. 9, hood 91 is configured at the rear of motor 11, radiator 61 and fan shroud 81, and the rear of covering engine 11, radiator 61 and fan shroud 81.Be provided with handle 91a at the central portion up and down of hood 91, the top of hood 91 is rotatably installed on the machine body cover 97 of backacter 1 via hinge 98.Hood 91, by holding handle 91a, rotates and carries out the opening and closing of hood 91 by operating personnel up and down.By the cover 91 that kills engine, the rear of motor 11, radiator 61 and fan shroud 81 becomes the state covered by hood 91, by opening hood 91, form opening (rear service ports 75b) at the rear of motor 11, radiator 61 and fan shroud 81, the rear of motor 11, radiator 61 and fan shroud 81 becomes the state opened via rear service ports 75b.
Be formed at the service ports 82 of fan shroud 81 and be located at the service cover 83 of service ports 92, being located at the rear portion of fan shroud 81, and being configured at hood 91 side, and configuring in the mode opposed with rear service ports 75b.Thus, operating personnel can open hood 91, stretches in engine room 75 from rear service ports 75b by hand, carry out service cover 83 opening and closing operation and via the radiator 61 of service ports 82 and the maintenance activity of oil cooler 89.
As mentioned above, backacter 1
The radiator 61 cooling fluid of motor 11 being carried out cooling is possessed in engine room 75, opening and closing can be carried out by the side cover 90 of engine room 75 in the side of engine room 75, radiator 61 has the leakage fluid dram 69 of discharging described cooling fluid, in leakage fluid dram 69, be connected with one end of discharging tube 71, the other end of discharging tube 71 is fetched to the outside of engine room 75 by opening side cover 90.
Thus, the other end of discharging tube 71, by opening side cover 90, is fetched into the outside of engine room 75 by operating personnel, and when cooling fluid is discharged to engine room 75 outside from radiator 61, operation is carried out in the below that becoming does not need to pierce body 3.Thus, operating personnel successfully can carry out the maintenance activity of radiator 61.
In addition, in backacter 1
Valve member is provided with in discharging tube 71.
Thus, the other end of discharging tube 71, by opening side cover 90, is fetched into the outside of engine room 75 by operating personnel, and opens described valve member, thus discharges the cooling fluid in radiator 61.
In addition, in backacter 1
Bleed plug 77 is provided with at the other end of discharging tube 71.
Thus, the other end of discharging tube 71, by opening side cover 90, is fetched into the outside of engine room 75 by operating personnel, and unloads bleed plug 77 from the other end of discharging tube 71, thus discharges the cooling fluid in radiator 61.
In addition, backacter 1
Possess the cooling fan 88 and the fan shroud 81 of radiator 61 that are communicated with motor 11, form service ports 82 in the side of fan shroud 81, be provided with service cover 83 in service ports 82.
Thus, operating personnel can open service cover 83, stretches in fan shroud 81, carry out the maintenance activity of radiator 61 from service ports 82 by hand.
In addition, in backacter 1
The service cover 83 being located at service ports 82 is configured at hood 91 side.
Thus, operating personnel, by opening hood 91, carries out the maintenance activity of the opening and closing operation of service cover 83 and the radiator 61 via service ports 82.
Utilizability in industry
The present invention can be applicable to the Work machine of hydraulic excavator, backacter etc.
Description of reference numerals
1 backacter
11 motors
61 radiators
69 leakage fluid drams
71 discharging tubes
75 engine rooms
77 bleed plug
81 fan shrouds
83 service cover
88 cooling fans
90 side covers
91 hoods
Service ports after 99.
Claims (5)
1. a Work machine, is characterized in that,
The heat interchanger cooling fluid of motor being carried out cooling is possessed in engine room,
The side of described engine room can opening and closing by the side cover of this engine room,
Described heat interchanger has the leakage fluid dram of discharging described cooling fluid,
One end of discharging tube is connected with in this leakage fluid dram,
The other end of this discharging tube can be fetched into the outside of described engine room by opening described side cover.
2. Work machine according to claim 1, is characterized in that,
Valve member is provided with in described discharging tube.
3. Work machine according to claim 1, is characterized in that,
Bleed plug is provided with at the other end of described discharging tube.
4. the Work machine according to any one of claims 1 to 3, is characterized in that,
Possess and be communicated with the cooling fan of described motor and the fan shroud of described heat interchanger, be formed with service ports in the side of described fan shroud, be provided with service cover in described service ports.
5. Work machine according to claim 4, is characterized in that,
The service cover being located at described service ports is configured in hood side.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012-127501 | 2012-06-04 | ||
| JP2012127501A JP5944231B2 (en) | 2012-06-04 | 2012-06-04 | Work machine |
| PCT/JP2013/054371 WO2013183323A1 (en) | 2012-06-04 | 2013-02-21 | Work machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104350210A true CN104350210A (en) | 2015-02-11 |
| CN104350210B CN104350210B (en) | 2016-11-02 |
Family
ID=49711725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380029397.0A Expired - Fee Related CN104350210B (en) | 2012-06-04 | 2013-02-21 | Work machine |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5944231B2 (en) |
| CN (1) | CN104350210B (en) |
| WO (1) | WO2013183323A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6574357B2 (en) * | 2015-08-18 | 2019-09-11 | 株式会社竹内製作所 | Work vehicle |
| JP6907736B2 (en) * | 2017-06-13 | 2021-07-21 | コベルコ建機株式会社 | Construction machinery cooling system |
| JP7423560B2 (en) * | 2021-02-03 | 2024-01-29 | ヤンマーホールディングス株式会社 | Work vehicle cooling system and work vehicle |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09242116A (en) * | 1996-03-08 | 1997-09-16 | Kubota Corp | Structure of sluing work machine |
| CN1526887A (en) * | 2003-03-07 | 2004-09-08 | ��ֽ����е��ʽ���� | Construction machinery |
| US20060144350A1 (en) * | 2003-06-16 | 2006-07-06 | Kobelco Construction Machinery Co., Ltd. | Construction machine |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0658136U (en) * | 1993-01-18 | 1994-08-12 | ヤンマーディーゼル株式会社 | Engine stall prevention equipment for construction machinery |
| JP3648412B2 (en) * | 1999-09-24 | 2005-05-18 | 株式会社クボタ | Backhoe |
| JP2006046233A (en) * | 2004-08-06 | 2006-02-16 | Hitachi Constr Mach Co Ltd | Reserving tank of construction machine |
| JP2006046260A (en) * | 2004-08-06 | 2006-02-16 | Hitachi Constr Mach Co Ltd | Draining device for construction machine |
-
2012
- 2012-06-04 JP JP2012127501A patent/JP5944231B2/en active Active
-
2013
- 2013-02-21 WO PCT/JP2013/054371 patent/WO2013183323A1/en active Application Filing
- 2013-02-21 CN CN201380029397.0A patent/CN104350210B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09242116A (en) * | 1996-03-08 | 1997-09-16 | Kubota Corp | Structure of sluing work machine |
| CN1526887A (en) * | 2003-03-07 | 2004-09-08 | ��ֽ����е��ʽ���� | Construction machinery |
| US20060144350A1 (en) * | 2003-06-16 | 2006-07-06 | Kobelco Construction Machinery Co., Ltd. | Construction machine |
| US7451843B2 (en) * | 2003-06-16 | 2008-11-18 | Kobelco Construction Machinery Co., Ltd. | Construction machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104350210B (en) | 2016-11-02 |
| JP5944231B2 (en) | 2016-07-05 |
| WO2013183323A1 (en) | 2013-12-12 |
| JP2013249714A (en) | 2013-12-12 |
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