CN109072758A - Working truck - Google Patents
Working truck Download PDFInfo
- Publication number
- CN109072758A CN109072758A CN201780000965.2A CN201780000965A CN109072758A CN 109072758 A CN109072758 A CN 109072758A CN 201780000965 A CN201780000965 A CN 201780000965A CN 109072758 A CN109072758 A CN 109072758A
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- CN
- China
- Prior art keywords
- limiting unit
- cooling fan
- unit
- fan
- cooling
- 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.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P5/00—Pumping cooling-air or liquid coolants
- F01P5/02—Pumping cooling-air; Arrangements of cooling-air pumps, e.g. fans or blowers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K11/00—Arrangement in connection with cooling of propulsion units
- B60K11/02—Arrangement in connection with cooling of propulsion units with liquid cooling
- B60K11/04—Arrangement or mounting of radiators, radiator shutters, or radiator blinds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K11/00—Arrangement in connection with cooling of propulsion units
- B60K11/06—Arrangement in connection with cooling of propulsion units with air cooling
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P5/00—Pumping cooling-air or liquid coolants
- F01P5/02—Pumping cooling-air; Arrangements of cooling-air pumps, e.g. fans or blowers
- F01P5/06—Guiding or ducting air to, or from, ducted fans
Abstract
Working truck has engine, cooling device, cooling fan unit, limiting component.Cooling device includes radiator core.Cooling device and engine are oppositely disposed.Cooling fan unit includes cooling fan, is configured between engine and cooling device.Limiting component configuration limits movement of the cooling fan unit to horizontal direction in the top of cooling fan unit.
Description
Technical field
The present invention relates to a kind of working trucks.
Background technique
Working truck has engine, cooling device, cooling fan unit.Cooling device includes that such as radiator or oil are cold
But device, and be oppositely disposed with engine.Cooling fan unit includes cooling fan, is configured between engine and cooling device.
Cooling fan rotates and generates air stream, thus cools down the coolant liquid in radiator or oil cooler.
Existing technical literature
Patent document
Patent document 1: United States Patent (USP) 6622668
Summary of the invention
The invention technical task to be solved
When safeguarding cooling fan unit, need to disassemble cooling fan unit from working truck.At this point,
For example, cooling fan unit is sling by transport mechanisms such as cables, dismantle cooling fan unit.
But cooling fan is configured in the position close to cooling device or engine.Therefore, cooling fan unit is hung
When rising, due to the vibration of cooling fan unit, it is possible to lead to the device around cooling fan interference.
Problem of the present invention is that it is right to be able to suppress its when disassembling cooling fan unit from working truck
The interference of the device of surrounding.
For solving the technical solution of technical task
Working truck in an embodiment of the invention has engine, cooling device, cooling fan unit, limit
Component processed.Cooling device includes radiator core.Cooling device and engine are oppositely disposed.Cooling fan unit includes cooling wind
Fan configures between engine and cooling device.Limiting component configuration limits cooling fan list in the top of cooling fan unit
Movement of the member to horizontal direction.
The effect of invention
According to the present invention, when disassembling cooling fan unit from working truck, it is able to suppress to surrounding
The interference of device.
Detailed description of the invention
Fig. 1 is the perspective view of the working truck of embodiment.
Fig. 2 is the perspective view for indicating the inside of engine room.
Fig. 3 is the cross-sectional view of III-III in Fig. 2.
Fig. 4 is the exploded perspective view of cooling fan unit and cooling device.
Fig. 5 is the schematic diagram for indicating the drive system of cooling fan.
Fig. 6 is the figure of the movement of cooling fan unit when indicating to disassemble cooling fan unit from working truck.
Fig. 7 is the figure of the movement of cooling fan unit when indicating to disassemble cooling fan unit from working truck.
Fig. 8 is the figure of the movement of cooling fan unit when indicating to disassemble cooling fan unit from working truck.
Fig. 9 is the figure for indicating the limiting component of first variation.
Figure 10 is the figure for indicating the limiting component of the second variation.
Figure 11 is the figure for indicating the limiting component of the second variation.
Figure 12 is the figure for indicating the limiting component of third variation.
Figure 13 is the figure for indicating the limiting component of third variation.
Specific embodiment
Hereinafter, being illustrated referring to attached drawing to the working truck in embodiment.Fig. 1 is the working truck in embodiment
100 perspective view.In the present embodiment, working truck 100 is hydraulic crawler excavator.Working truck 100 have vehicle body 1,
Apparatus for work 2.
Vehicle body 1 has rotary body 3 and mobile devices 5.Rotary body 3 stores aftermentioned engine and hydraulic pump etc..
Driver's cabin 4 is placed on rotary body 3.Vehicle body 1 includes engine room 9.Engine room 9 configures on rotary body 3.Engine
Room 9 is located at the rear of driver's cabin 4.Mobile devices 5 have crawler belt 5a, 5b, and working truck 100 passes through the rotation row of crawler belt 5a, 5b
It sails.
Apparatus for work 2 is mounted on vehicle body 1.Apparatus for work 2 has large arm 6, forearm 7, scraper bowl 8.The cardinal extremity of large arm 6
Portion can be installed on the front of vehicle body 1 with acting.The base end part of forearm 7 can be installed on the front end of large arm 6 with acting.
Scraper bowl 8 can be installed on the front end of forearm 7 with acting.
Apparatus for work 2 has big arm hydraulic cylinder 10, small arm hydraulic cylinder 11, bucket hydraulic cylinder 12.Big arm hydraulic cylinder 10 and small
Arm hydraulic cylinder 11 and bucket hydraulic cylinder 12 are respectively the hydraulic cylinder driven by working oil.Big arm hydraulic cylinder 10 drives large arm 6.Forearm
Hydraulic cylinder 11 drives forearm 7.Bucket hydraulic cylinder 12 drives scraper bowl 8.
Fig. 2 is the perspective view for indicating the inside of engine room 9.Fig. 3 is the III-III cross-sectional view in Fig. 2.Such as Fig. 2 and
Shown in Fig. 3, working truck 100 has engine 13, cooling device 14, cooling fan unit 15.Engine 13, cooling device
14, the configuration of cooling fan unit 15 is in engine room 9.Cooling device 14 and engine 13 are oppositely disposed.Cooling device 14 wraps
Include radiator core 16, oil cooler 17, frame part 18.
In addition, in the following description, left and right directions refers to, when from engine 13 towards from the direction of cooling device 14
Left and right directions.Front-rear direction in addition, front-rear direction refers to, when from engine 13 towards from the direction of cooling device 14.
Radiator core 16 includes, for example, being piped, being connected to multiple heat sinks of piping.The coolant liquid of engine 13 is dissipating
Hot device core 16 flows.The air stream that cooling fan unit 15 generates cools down coolant liquid by radiator core 16 with this.Radiator core
16 are oppositely disposed with engine 13.
Oil cooler 17 includes, such as is piped, is connected to multiple heat sinks of piping.Working oil is flowed in oil cooler 17
It is dynamic.The air stream that cooling fan unit 15 generates is by oil cooler 17, with this cooling work oil.Oil cooler 17 and radiator
Core 16 is oppositely disposed.When 13 unilateral observation of engine, side oil cooler 17 is configured at the opposite side of radiator core 16.
18 supporting radiator core 16 of frame part and oil cooler 17.Fig. 4 is cooling fan unit 15 and cooling device 14
Exploded perspective view.As shown in figure 4, frame part 18 includes frame main body 21, left column portion 22, right column portion 23.
Frame main body 21, left column portion 22 and right column portion 23 are formed by metal pipe or curved metal plate.But frame main body
21, left column portion 22 and right column portion 23 can also be formed by the material other than metal.Frame main body 21 is dissipated from left and right and top covering
Hot device core 16.Frame main body 21 includes left frame body 24, right framework 25, upper frame body 26.Left frame body 24 configures on a left side for radiator core 16
Side.The right configuration of framework 25 is in the left of radiator core 16.Upper frame body 26 is configured in the top of radiator core 16.Left frame body 24 and
Right framework 25, it is Chong Die with radiator core 16 when from left and right directions.Upper frame body 26 when from up and down direction and radiates
Device core 16 is overlapped.
Left column portion 22 and right column portion 23 are located at the position than frame main body 21 rearward.That is, left column portion 22 and 23, right column portion
In the position than radiator core 16 rearward.In other words, left column portion 22 and right column portion 23 are located at start more close than radiator core 16
The position of 13 side of machine.Left column portion 22 and right column portion 23 vertically extend.Left column portion 22 includes left internal side 27.Right column portion 23
Including Right Inboard face 28.Left internal side 27 and Right Inboard face 28 are oppositely disposed.
Cooling fan unit 15 configures between engine 13 and cooling device 14 on left and right vehicle wheel direction.Cooling fan
Unit 15 includes cooling fan 31 and fan bracket 32.
Cooling fan 31 is propeller fan.As shown in figure 3, cooling fan 31 includes hub portion 33, multiple blade parts
34.Multiple blade parts 34 are from hub portion 33 to radially extending.By the rotation of cooling fan 31, generates and flowed in cooling device 14
Air stream.In addition, in the accompanying drawings, only to a part in multiple blade parts 34 added with appended drawing reference " 34 ", other blades
The appended drawing reference in portion is omitted.
As shown in Fig. 2, left column portion 22 is located at the left of cooling fan 31.Right column portion 23 is located at the right of cooling fan 31.
When from left and right directions, left column portion 22 and right column portion 23 are Chong Die with cooling fan 31.
Cooling fan 31 configures between left internal side 27 and Right Inboard face 28.The lower end in left column portion 22 is located at than cooling wind
Position of the fan 31 close to lower section.The upper end in left column portion 22 is located at the position that close over is leaned on than cooling fan 31.Under right column portion 23
End is located at than cooling fan 31 close to the position of lower section.The upper end in right column portion 23 is located at the position that close over is leaned on than cooling fan 31
It sets.
As shown in figure 3, cooling fan unit 15 includes fan motor 35.Fan motor 35 drives cooling fan 31.Fan
Motor 35 is installed on fan bracket 32.
Fig. 5 is the schematic diagram for indicating the drive system of cooling fan 31.As shown in figure 5, working truck has hydraulic pump 36.
Hydraulic pump 36 is located in engine room 9 together with engine 13.Hydraulic pump 36 is driven by engine 13, discharge working oil.Fan
Motor 35 is hydraulic motor.Fan motor 35 is driven by the working oil to spue from hydraulic pump 36.Fan motor 35 makes cooling fan
31 rotations.Working oil flows to oil cooler 17 from fan motor 35, is cooled in oil cooler 17.Working oil is from oil cooler
17 return to operating oil tank 37.
Fan bracket 32 supports cooling fan 31 and fan motor 35.Fan bracket 32 is releasably installed on left column portion 22
With right column portion 23.Fan bracket 32 has the shape of the plate extended in the lateral direction.Fan bracket 32, which extends to, compares cooling wind
Position of the fan 31 close to left.Fan bracket 32 extends to the position than cooling fan 31 close to right.That is, fan bracket 32 exists
It is greater than cooling fan 31 on left and right directions.But fan bracket 32 is less than cooling fan 31 in the up-down direction.
Fan bracket 32 is smaller than the interval of left internal side 27 and Right Inboard face 28 in the lateral direction.As shown in figure 4, left column
Left installing component 38 is fixed in portion 22.Left installing component 38 has the shape of the plate vertically extended.Left mounting portion
Part 38 protrudes to the right from left internal side 27.Right installing component 39 is fixed in right column portion 23.Right installing component 39 has upward
The shape for the plate that lower direction extends.Right installing component 39 protrudes to the left from Right Inboard face 28.
Left installing component 38 and Right Inboard face 28 can be for example, by being weldingly fixed on left internal side 27 and right installing component
On 39.Alternatively, left installing component 38 and Right Inboard face 28 can also be fixed on left internal side 27 and the right side by other fixed mechanisms
Installing component 39.
The left part 41 of fan bracket 32 is mounted on left installing component 38.The right part 42 of fan bracket 32 is mounted on the right side
On installing component 39.Fan bracket 32 is releasably installed on left installing component 38 and right installing component 39.For example, fan bracket
32 can be mounted on left installing component 38 and right installing component 39 by bolt.Alternatively, fan bracket 32 can pass through other
Installing mechanism is releasably mounted on left installing component 38 and right installing component 39.
As shown in figure 4, fan bracket 32 includes main part 43, left opening 44 and right opening 45.Main part 43 is in right and left
It is located at the center of fan bracket 32 upwards.Cooling fan 31 and fan motor 35 are installed on main part 43.Main part 43 is located at
Between left opening 44 and right opening 45.Left opening 44 is between main part 43 and left part 41.Right opening 45 is located at main part
Between 43 and right part 42.Left opening 44 and right opening 45, it is Chong Die with blade part 34 when from front-rear direction.By cooling down
The air stream that fan 31 generates can pass through left opening 44 and right opening 45.
Limiting component 50 is installed in frame part 18.Limiting component 50 guides cooling wind when dismantling cooling fan unit 15
Fan unit 15.Limiting component 50 includes the first left limiting unit 51 and the first right limiting unit 52.First left limiting unit 51 is installed on a left side
Column portion 22.First right limiting unit 52 is installed on right column portion 23.First left limiting unit 51 and the first right limiting unit 52 have to the left and right
The shape for the plate that direction extends.
First left limiting unit 51 is installed on left internal side 27.First left limiting unit 51 is prominent from the right of left internal side 27.
First right limiting unit 52 is installed on Right Inboard face 28.First right limiting unit 52 is prominent from 28 right of Right Inboard face.First left limitation
Portion 51 is less than left installing component 38 in the up-down direction.First right limiting unit 52 is less than right mounting portion in the up-down direction.
The interval of first left limiting unit 51 and the first right limiting unit 52 in the lateral direction is greater than the diameter of cooling fan 31.
The interval of first left limiting unit 51 and the first right limiting unit 52 in the lateral direction is less than fan bracket 32 in the lateral direction
Size.First left limiting unit 51 and the first right limiting unit 52 are configured at the position that close over is leaned on than fan bracket 32.First left limit
The configuration of portion 51 processed is in the top of left installing component 38.The first right configuration of limiting unit 52 is in the top of right installing component 39.
Being spaced less than above and below fan bracket 32 in the up and down direction between first left limiting unit 51 and fan bracket 32
The size in direction.Interval in up and down direction between first right limiting unit 52 and fan bracket 32 is less than the upper of fan bracket 32
The size in lower direction.The interval in up and down direction between first left limiting unit 51 and left installing component 38 is less than fan bracket 32
Up and down direction size.The interval in up and down direction between first right limiting unit 52 and right installing component 39 is less than fan support
The size of the up and down direction of frame 32.
As shown in figure 3, fan bracket 32 includes first surface 46 and second surface 47.First surface 46 and radiator core 16
Relatively.Second surface 47 and engine 13 are opposite.That is, first surface 46 is the front surface of fan bracket 32, second surface 47 is
The rear surface of fan bracket 32.First surface 46 is contacted with left installing component 38 and right installing component 39, is installed on left installation
Component 38 and right installing component 39.
First left limiting unit 51 and the first right limiting unit 52 are located on from engine 13 towards the direction of cooling device 14
Than first surface 46 close to 16 side of radiator core.That is, the first left limiting unit 51 and the first right limiting unit 52 are located at than the first table
Position of the face 46 close to front.In the longitudinal direction, the distance between the first left limiting unit 51 and first surface 46 d1 are less than cold
But the distance between fan 31 and radiator core 16 d2.In the present embodiment, the first left limiting unit 51 is configured as and left peace
Component 38 is filled in substantially same level.First right limiting unit 52 is configured as with right installing component 39 in substantially same level
Face.
Limiting component 50 further includes the second left limiting unit 53 and the second right limiting unit 54.Second left limiting unit 53 is installed on a left side
Column portion 22 configures and leans on the position of close in limiting unit 51 more left than first.Second right limiting unit 54 is installed on right column portion 23, configuration
The position of close over is leaned in limiting unit 52 righter than first.Second left limiting unit 53 and the second right limiting unit 54 are located at than radiator core
Position of 16 upper end close to lower section.Second left limiting unit 53 and the first left limiting unit 51 have same shape.Second right limit
Portion 54 processed and the first right limiting unit 52 have same shape.But the second left limiting unit 53 and the second right limiting unit 54
Shape may also be distinct from that the shape of the first left limiting unit 51 and the first right limiting unit 52.
Interval in up and down direction between first left limiting unit 51 and the second left limiting unit 53 is less than fan bracket 32
The size of up and down direction.The interval in up and down direction between first right limiting unit 52 and the second right limiting unit 54 is less than fan support
The size of the up and down direction of frame 32.
Fig. 6 to Fig. 8 be cooling fan unit 15 when indicating to disassemble cooling fan unit 15 from working truck
Movement figure.By by cooling fan unit 15 and being moved upward it by carrying mechanisms such as cables, taken from engine room 9
Out.
It is solved firstly, can be seen that the fixation between fan bracket 32 and left installing component 38 from state shown in Fig. 3
It removes.In addition, the fixation between fan bracket 32 and right installing component 39 is released from.In addition, by the way that cooling fan unit 15 is hung
It rises, cooling fan unit 15 is moved upward.
At this point, as shown in fig. 6, the first left limiting unit 51 is located at height identical with fan bracket 32, and it is located at fan support
Between frame 32 and radiator core 16.Diagram is omitted here, but the first right limiting unit 52 is identical as the first left limiting unit 51.Cause
This, by the contact of the first left limiting unit 51 and the first right limiting unit 52 and fan bracket 32, limit cooling fan unit 15 to
Movement close to the direction of radiator core 16.
Further, cooling fan unit 15 is moved upward, as shown in fig. 7, the first left limiting unit 51 and the second left limit
Portion 53 processed is located at identical height with fan bracket 32, and between fan bracket 32 and radiator core 16.It omits herein
Diagram, but the first right limiting unit 52 and the second right limiting unit 54 also with the first left limiting unit 51 and the second left limiting unit 53 1
Sample.Therefore, pass through the first left limiting unit 51, the second left limiting unit 53, the first right limiting unit 52 and the second right limiting unit 54 and wind
Fan the contact of bracket 32, movement of the limitation cooling fan unit 15 to the direction close to radiator core 16.
Further, cooling fan unit 15 is moved upward, as shown in figure 8, the second left limiting unit 53 and fan bracket
32 are located at identical height, and between fan bracket 32 and radiator core 16.Diagram, but the second right limitation is omitted here
Portion 54 is also as the second left limiting unit 53.Therefore, pass through the second left limiting unit 53 and the second right limiting unit 54 and fan bracket
32 contact, movement of the limitation cooling fan unit 15 to the direction close to radiator core 16.
In addition, in this case, the front end of cooling fan 31 is located at the position for leaning on close over than radiator core 16.In addition,
First left limiting unit 51 and the first right limiting unit 52 are located at than fan bracket 32 close to the position of lower section.
In the working truck 100 of above explained present embodiment, when dismantling cooling fan unit 15, cooling fan list
First 15 restricting portion parts 50 guidance.Therefore, it when dismantling cooling fan unit 15 from working truck 100, is able to suppress cold
But the vibration of fan unit 15.As a result, when dismantling cooling fan unit 15 from working truck 100, it is able to suppress to week
The interference of the device enclosed.
For limiting component 50 when cooling fan unit 15 is lifted, limitation cooling fan unit 15 is to close to radiator core 16
Direction movement.Therefore, when cooling fan unit 15 is dismantled from working truck 100, can be pressed down by limiting component 50
But fan unit 15 vibrates refrigeration towards radiator core 16.Cooling fan unit 15 is being dismantled from working truck 100 as a result,
When, it is able to suppress the interference to radiator core 16.
The interval of first left limiting unit 51 and the first right limiting unit 52 in the lateral direction is greater than the diameter of cooling fan 31.
Therefore, it when dismantling cooling fan unit 15, is able to suppress the first left limiting unit 51 and the first right limiting unit 52 interferes cooling wind
Fan 31.
The interval of first left limiting unit 51 and the first right limiting unit 52 in the lateral direction is less than fan bracket 32 in left and right
Width on direction.Therefore, when dismantling cooling fan unit 15, can make fan bracket 32 easily with the first left limiting unit
51 and first right limiting unit 52 contact.Therefore, cooling fan unit 15 can easily be guided by limiting component 50.
Interval between first left limiting unit 51 and fan bracket 32 in the up-down direction is less than fan bracket 32 upper and lower
Size on direction.Interval between first right limiting unit 52 and fan bracket 32 in the up-down direction is less than fan bracket 32 and exists
Size in up and down direction.Therefore, it when slinging cooling fan unit 15, is able to suppress fan bracket 32 and passes through the first left limit
It is vibrated between portion 51 processed and fan bracket 32 or between the first right limiting unit 52 and fan bracket 32.
On from engine 13 towards the direction of cooling device 14, between the first left limiting unit 51 and first surface 46 away from
From less than the distance between cooling fan 31 and radiator core 16.The distance between first right limiting unit 52 and first surface 46 are small
In the distance between cooling fan 31 and radiator core 16.Therefore, the first left limiting unit 51 or the is touched in first surface 46
The amount of movement of cooling fan unit 15 before one right limiting unit 52 can be suppressed to smaller.Thereby, it is possible to inhibit to heat dissipation
The interference of device core 16.
Second left limiting unit 53 and the second right limiting unit 54 are same with the first left limiting unit 51 and the first right limiting unit 52 respectively
Configure to sample.Therefore, it can also be played and the above-mentioned first left limiting unit by the second left limiting unit 53 and the second right limiting unit 54
51 and the first same effect of right limiting unit 52.
Interval between first left limiting unit 51 and the second left limiting unit 53 in the up-down direction is less than fan bracket 32 and exists
The size of up and down direction.Interval between first right limiting unit 52 and the second right limiting unit 54 in the up-down direction is less than fan support
The size of frame 32 in above-below direction.Therefore, when slinging cooling fan unit 15, fan bracket 32 is able to suppress by first
It is vibrated between left limiting unit 51 and the second left limiting unit 53 or between the first right limiting unit 52 and the second right limiting unit 54.
The fan motor 35 of driving cooling fan 31 is mounted on fan bracket 32.Therefore, because the fan motor 35 of weight is pacified
Loaded on fan bracket 32, when dismantling cooling fan unit 15, cooling fan unit 15 is easy vibration.But in this embodiment party
100 China of working truck in formula is able to suppress the device to surrounding by guiding cooling fan unit 15 by limiting component 50
Interference.
An embodiment of the invention is illustrated above, the limit during the present invention is not limited to the above embodiments
It is fixed, it is able to carry out various changes without departing from the spirit of the invention.
Working truck is not limited to hydraulic crawler excavator, be also possible to bull-dozer, wheel loader or motor-driven grader etc. other
Vehicle.
The construction of cooling fan unit 15 can be changed.For example, the shape of fan bracket 32 can be changed.Fan motor 35
It is not limited to hydraulic motor, is also possible to motor.Fan motor 35 also may be mounted on the component other than fan bracket 32.
In the above-described embodiment, cooling fan unit 15 is mounted in the frame part 18 of cooling device 14.But it is cooling
Fan unit 15 also may be mounted on other component.For example, cooling fan unit 15 may be mounted at other than cooling device 14
Frame part on.Alternatively, cooling fan unit 15 also may be mounted on engine 13.
The construction of cooling device 14 can be changed.For example, oil cooler 17 can be only fitted to radiator core 16 and engine
Between 13.Alternatively, radiator core 16 and oil cooler 17 can also be arranged side-by-side in the lateral direction.
Limiting component 50 is not limited to frame part 18, can also be installed on other component.The structure of limiting component 50 can be changed
It makes.For example, the shape of the first left limiting unit 51 and the first right limiting unit 52 can be changed.Fig. 9 is the limit for indicating first variation
The figure of component 50 processed.As shown in figure 9, what the first left limiting unit 55 and the first right limiting unit 56 were also possible to grow in the up-down direction
Shape.
In the above-described embodiment, when dismantling cooling fan unit 15 from working truck 100, limiting component 50 is limited
Refrigeration but movement of the fan unit 15 towards radiator core 16.But limiting component 50 can also limit cooling fan unit 15
Towards the movement in other directions.
For example, limiting component 50 can also limit the movement of cooling fan unit 15 towards engine 13.Figure 10 is to indicate
The figure of the limiting component 50 of second variation.The limiting component 50 of second variation includes the first left limiting unit 57 and the second left limit
Portion 58 processed.Figure 11 is the perspective view for indicating the first left limiting unit 57 of the second variation.
As shown in figure 11, the first left limiting unit 57 in the second variation, which has, is bent into L-shaped shape.Specifically,
First left limiting unit 57 includes left supporting part 571 and left contact portion 572.Left supporting part 571 is from left column portion 22 towards engine 13
Extend.Left contact portion 572 protrudes to the right from left supporting part 571.First left limiting unit 57 is in left supporting part 571 and left contact portion
There is curved shape between 572.The configuration of left contact portion 572 than fan bracket 32 closer to the side of engine 13.
Second left limiting unit 58 has shape same as the first left limiting unit 57.In addition, though the illustration is omitted, but the
Limiting component 50 in two variations includes the first right limiting unit and the second right limiting unit.The first right limitation in second variation
Portion and the second right limiting unit in the second variation the first left limiting unit 57 and the second left limiting unit 58 be arranged bilaterally symmetrically.
In the second variation, when cooling fan unit 15 is moved upward, by the left side for making the first left limiting unit 57
Contact portion 572 is contacted with the second surface 47 of fan bracket 32, limits cooling fan unit 15 to the direction close to engine 13
Movement.
Limiting component 50 can also be limited to be started towards the direction of the radiator core 16 of cooling fan unit 15 and direction
Both movements of the direction of machine 13.Figure 12 is the figure for indicating the limiting component 50 in third variation.Limit in third variation
Component 50 processed includes the first left limiting unit 59 and the second left limiting unit 60.Figure 13 is the first left limiting unit for indicating third variation
59 perspective view.
As shown in figure 12, the first left limiting unit 59 in third variation includes left supporting part 591, the first left contact portion
592 and the second left contact portion 593.Left supporting part 591 extends from left column portion 22 to engine 13.First left contact portion 592 and
Two left contact portions 593 protrude to the right from left supporting part 591.First left limiting unit 59 is in left supporting part 591 and the first left contact
There is curved shape between portion 592.First left limiting unit 59 has between left supporting part 591 and the second left contact portion 593
Curved shape.First left contact portion 592 configuration than fan bracket 32 close to the side of radiator core 16.Second left contact portion
593 configuration than fan bracket 32 close to the side of engine 13.
Second left limiting unit 60 has shape same as the first left limiting unit 59.In addition, though the illustration is omitted, still
Limiting component 50 in third variation includes the first right limiting unit and the second right limiting unit.The first right limit in third variation
Portion processed and the second right limiting unit in third variation the first left limiting unit 59 and the second left limiting unit 60 symmetrically match
It sets.
In the 3rd variation, when cooling fan unit 15 is moved upward, by making the first left contact portion 592 and wind
The first surface 46 for fanning bracket 32 contacts, and limits movement of the cooling fan unit 15 to the direction close to radiator core 16.In addition,
By contacting the second left contact portion 593 with the second surface 47 of fan bracket 32, limitation cooling fan unit 15 is sent out to close
The movement in the direction of motivation 13.
The quantity of left limiting unit is not limited to two.The quantity of right limiting unit is not limited to two.For example, can be set three with
On left limiting unit, three or more right limiting units.Alternatively, the quantity of left limiting unit can be one.The quantity of right limiting unit
It can be one.For example, it is also possible to omit the second left limiting unit and the second right limiting unit.
Industrial applicibility
Through the invention, it when dismantling cooling fan unit from working truck, is able to suppress to the dry of the device of surrounding
It relates to.
Description of symbols
13 engines
16 radiator cores
14 cooling devices
31 cooling fans
15 cooling fan units
50 limiting components
22 left column portions
23 right column portions
51,55,57,59 first left limiting unit
52,56 first right limiting unit
32 fan brackets
46 first surfaces
47 second surfaces
27 left internal sides
28 Right Inboard faces
53 second left limiting units
35 fan motors
Claims (10)
1. a kind of working truck comprising:
Engine；
Cooling device including radiator core, with engine relative configuration；
Including cooling fan, the cooling fan unit between the engine and the cooling device is configured；
Configuration limits the limitation of the movement of the cooling fan unit in the horizontal direction in the top of the cooling fan unit
Component.
2. working truck as described in claim 1, which is characterized in that
The cooling device further includes the frame part for supporting the radiator core,
The limiting component is installed on the frame part.
3. working truck as described in claim 1, which is characterized in that
For the limiting component when the cooling fan unit is lifted, limitation cooling fan unit is to close to the radiator core
Direction movement.
4. working truck as claimed any one in claims 1 to 3, which is characterized in that
The frame part include: from the engine towards the cooling device,
Positioned at the left column portion of the left of the cooling fan；
Positioned at the right column portion of the right of the cooling fan,
The limiting component includes:
It is mounted on the first left limiting unit in the left column portion；
It is mounted on the first right limiting unit in the right column portion.
5. working truck as claimed in claim 4, which is characterized in that
The cooling fan unit further includes the fan bracket for supporting the cooling fan,
The working truck also has the installing component that the fan bracket is mounted on to the left column portion and the right column portion.
6. working truck as claimed in claim 5, which is characterized in that
The interval of the first left limiting unit and the first right limiting unit in the lateral direction is less than the fan bracket on a left side
Width in right direction.
7. working truck as claimed in claim 4, which is characterized in that
In the state that the fan bracket is mounted on the left column portion and the right column portion,
Interval between the first left limiting unit and the fan bracket in the up-down direction is less than the fan bracket upper
The upward size in lower section,
Interval between the first right limiting unit and the fan bracket in the up-down direction is less than the upper of the fan bracket
The upward size in lower section.
8. working truck as claimed in claim 4, which is characterized in that
The fan bracket includes:
The first surface opposite with the radiator core；
The second surface opposite with the engine,
The first left limiting unit and the first right limiting unit on from the engine towards the direction of the cooling device,
Positioned at the position than the first surface close to the radiator core side.
9. working truck as claimed in claim 4, which is characterized in that
On from the engine towards the direction of the cooling device, between the first left limiting unit and the first surface
Distance be less than the distance between the cooling fan and the radiator core, the first right limiting unit and the first surface
The distance between be less than the distance between the cooling fan and the radiator core.
10. working truck as claimed in claim 4, which is characterized in that
The interval of the first left limiting unit and the first right limiting unit in the lateral direction is greater than the straight of the cooling fan
Diameter.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2017/014123 WO2018185846A1 (en) | 2017-04-04 | 2017-04-04 | Work vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109072758A true CN109072758A (en) | 2018-12-21 |
Family
ID=63713117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780000965.2A Pending CN109072758A (en) | 2017-04-04 | 2017-04-04 | Working truck |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPWO2018185846A1 (en) |
| KR (1) | KR102017095B1 (en) |
| CN (1) | CN109072758A (en) |
| DE (1) | DE112017000011T5 (en) |
| WO (1) | WO2018185846A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021168729A1 (en) * | 2020-02-27 | 2021-09-02 | 洋马动力科技有限公司 | Cooling device of work vehicle |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01170883U (en) * | 1988-05-16 | 1989-12-04 | ||
| US5219016A (en) * | 1992-06-15 | 1993-06-15 | General Motors Corporation | Radiator, condenser and fan shroud assembly |
| JPH0634132U (en) * | 1992-10-05 | 1994-05-06 | カルソニック株式会社 | Shroud mounting structure |
| JPH11123940A (en) * | 1997-08-08 | 1999-05-11 | Yutani Heavy Ind Ltd | Cooling device for construction machine |
| US6470961B1 (en) * | 2002-01-08 | 2002-10-29 | General Motors Corporation | Condenser, radiator and fan assembly module |
| CN104024610A (en) * | 2013-09-19 | 2014-09-03 | 株式会社小松制作所 | Working vehicle |
| US20140251706A1 (en) * | 2013-03-11 | 2014-09-11 | Mazda Motor Corporation | Vehicle radiator support structure |
| CN105874180A (en) * | 2016-01-18 | 2016-08-17 | 株式会社小松制作所 | Cooling apparatus and work vehicle provided with same |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0247221Y2 (en) * | 1984-12-12 | 1990-12-12 | ||
| JP2001348909A (en) | 2000-06-02 | 2001-12-21 | Shin Caterpillar Mitsubishi Ltd | Construction machinery |
-
2017
- 2017-04-04 WO PCT/JP2017/014123 patent/WO2018185846A1/en active Application Filing
- 2017-04-04 JP JP2017530237A patent/JPWO2018185846A1/en active Pending
- 2017-04-04 KR KR1020177022050A patent/KR102017095B1/en active IP Right Grant
- 2017-04-04 CN CN201780000965.2A patent/CN109072758A/en active Pending
- 2017-04-04 DE DE112017000011.4T patent/DE112017000011T5/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01170883U (en) * | 1988-05-16 | 1989-12-04 | ||
| US5219016A (en) * | 1992-06-15 | 1993-06-15 | General Motors Corporation | Radiator, condenser and fan shroud assembly |
| JPH0634132U (en) * | 1992-10-05 | 1994-05-06 | カルソニック株式会社 | Shroud mounting structure |
| JPH11123940A (en) * | 1997-08-08 | 1999-05-11 | Yutani Heavy Ind Ltd | Cooling device for construction machine |
| US6470961B1 (en) * | 2002-01-08 | 2002-10-29 | General Motors Corporation | Condenser, radiator and fan assembly module |
| US20140251706A1 (en) * | 2013-03-11 | 2014-09-11 | Mazda Motor Corporation | Vehicle radiator support structure |
| CN104024610A (en) * | 2013-09-19 | 2014-09-03 | 株式会社小松制作所 | Working vehicle |
| CN105874180A (en) * | 2016-01-18 | 2016-08-17 | 株式会社小松制作所 | Cooling apparatus and work vehicle provided with same |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021168729A1 (en) * | 2020-02-27 | 2021-09-02 | 洋马动力科技有限公司 | Cooling device of work vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| KR102017095B1 (en) | 2019-09-02 |
| WO2018185846A1 (en) | 2018-10-11 |
| DE112017000011T5 (en) | 2018-11-22 |
| KR20180131360A (en) | 2018-12-10 |
| JPWO2018185846A1 (en) | 2020-02-13 |
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Legal Events
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181221 |
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