WO2015040749A1 - ラジエータグリル - Google Patents
ラジエータグリル Download PDFInfo
- Publication number
- WO2015040749A1 WO2015040749A1 PCT/JP2013/075567 JP2013075567W WO2015040749A1 WO 2015040749 A1 WO2015040749 A1 WO 2015040749A1 JP 2013075567 W JP2013075567 W JP 2013075567W WO 2015040749 A1 WO2015040749 A1 WO 2015040749A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- hole
- radiator
- holes
- circular
- radiator grill
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/52—Radiator or grille guards ; Radiator grilles
Definitions
- the present invention relates to a radiator grill.
- radiator grille is configured to pass an air flow passing through a radiator mounted on the work vehicle.
- a radiator grill disclosed in Patent Document 1 has a lattice shape.
- the radiator grill disclosed in Patent Document 2 has a plate member in which a plurality of circular through holes are formed.
- the opening ratio of the radiator grill is high from the viewpoint of reducing the flow resistance of the radiator air flow.
- an object such as a rock or debris flies during the work and collides with the vehicle body of the work vehicle. If the collision site is a radiator grille, these objects may pass through the radiator grille and hit the radiator behind the radiator grille. From this viewpoint, it is preferable that the opening ratio of the radiator grill is low.
- the lattice-shaped radiator grill described above has a high aperture ratio. Therefore, the cooling capacity of the radiator is high.
- the plate-shaped radiator grille having a circular through hole has a lower opening ratio than the lattice-shaped radiator grille. Therefore, the cooling capacity of the radiator is low.
- An object of the present invention is to provide a radiator grill having a high aperture ratio and high radiator protection.
- a radiator grill is a radiator grill mounted on a work vehicle, and includes a frame and a plate member.
- the plate member has a plurality of through holes and is supported by the frame.
- the plurality of through holes are arranged side by side in a first direction and a second direction orthogonal to the first direction.
- Each of the through holes has a pair of circular portions arranged in the first direction and a communication portion that communicates the pair of circular portions.
- the communicating portion has a width in the second direction that is smaller than the diameter of the circular portion.
- the plurality of through holes are alternately arranged so that the circular part of one through hole of the pair of through holes adjacent in the second direction is aligned with the communicating part of the other through hole in the second direction.
- the radiator grill is composed of a plate member, the radiator is highly protected. Moreover, an aperture ratio can be improved by arrange
- the radiator grill further includes a guide plate.
- the guide plate is disposed to face the back surface of the plate member and extends in the second direction.
- the guide plate is inclined with respect to the normal direction of the plate member. In this case, the flow of air passing through the through hole can be guided by the guide plate.
- the circular part of one through-hole among a pair of through-holes adjacent in the second direction overlaps with a tangent that is parallel to the first direction and touches the pair of circular parts of the other through-hole.
- the aperture ratio can be improved by arranging the through holes densely.
- a work vehicle according to another aspect of the present invention includes the above-described radiator grill.
- the radiator grille according to one aspect of the present invention can achieve a high aperture ratio and high radiator protection.
- FIG. 1 is a side view of a work vehicle 1 according to the present embodiment.
- the work vehicle 1 is a bulldozer.
- the work vehicle 1 includes a work machine 2, a traveling device 3, and a vehicle body 4.
- the traveling device 3 is a device for traveling the vehicle, and has a crawler belt 3a. The work vehicle 1 travels by driving the crawler belt 3a.
- the vehicle body 4 includes a cab 7 and an engine room 8.
- the engine compartment 8 is disposed in front of the cab 7.
- front, rear, left and right mean front, rear, left and right directions as viewed from an operator in the cab 7.
- the work machine 2 is provided in front of the engine room 8.
- the work machine 2 includes a blade 5 and a hydraulic cylinder 6.
- the blade 5 is provided so as to be swingable in the vertical direction.
- the hydraulic cylinder 6 changes the posture of the blade 5.
- an engine 11 and a radiator 12 are arranged in the engine room 8.
- the radiator 12 cools the coolant of the engine 11.
- the radiator 12 is disposed in front of the engine 11.
- a radiator grill 13 is disposed in front of the engine compartment 8.
- the radiator grill 13 is disposed in front of the radiator 12.
- the radiator grille 13 allows an air flow blown out of the work vehicle 1 through the radiator 12.
- FIG. 2 is a perspective view of the radiator grille 13 as viewed obliquely from the front.
- FIG. 3 is a perspective view of the radiator grille 13 as viewed obliquely from the rear.
- FIG. 4 is a front view of the radiator grill 13.
- FIG. 5 is a side view of the radiator grill 13.
- FIG. 6 is a rear view of the radiator grill 13.
- the radiator grill 13 includes a first radiator grill 14 and a second radiator grill 15.
- the first radiator grill 14 and the second radiator grill 15 are separate bodies and are arranged side by side.
- the first radiator grille 14 and the second radiator grille 15 have a generally bilaterally symmetric shape.
- the first radiator grille 14 includes a first frame 16 and a first plate member 17.
- the first frame 16 supports the first plate member 17.
- the first frame 16 is attached to the back surface of the first plate member 17.
- the first plate member 17 is a thick steel plate, and preferably has a thickness of 10 mm or more and 20 mm or less, for example.
- the first frame 16 includes a first vertical member 21 and a second vertical member 22.
- the first vertical member 21 and the second vertical member 22 are disposed apart from each other in the horizontal direction.
- the first vertical member 21 and the second vertical member 22 each extend in the vertical direction.
- the vertical direction means a vertical direction along the surface of the first plate member 17 of the first radiator grill 14.
- the lateral direction means the left-right direction along the surface of the first plate member 17 of the first radiator grill 14.
- the radiator grille 13 when the radiator grille 13 is attached to the vehicle body 4, the radiator grille 13 is inclined with respect to the vertical direction.
- the vertical direction of the vehicle 1 is not completely coincident with the vehicle 1 and is inclined with respect to the vertical direction of the work vehicle 1. Note that the vertical direction of the radiator grill 13 may coincide with the vertical direction of the work vehicle 1 in a state where the radiator grill 13 is attached to the work vehicle 1.
- the first frame 16 has an intermediate vertical member 23.
- the intermediate vertical member 23 extends in the vertical direction and is disposed between the first vertical member 21 and the second vertical member 22.
- the first frame 16 has a plurality of transverse members 24-28.
- the plurality of horizontal members 24-28 extend in the horizontal direction, and connect the first vertical member 21 and the second vertical member 22.
- the plurality of transverse members 24-28 are arranged apart from each other in the longitudinal direction.
- the first plate member 17 has a plurality of through holes 31 arranged side by side in the first direction (y) and the second direction (x).
- the second direction (x) is a direction orthogonal to the first direction (y).
- the first direction (y) is the vertical direction.
- the second direction (x) is the horizontal direction.
- the first direction is indicated by the y axis
- the second direction is indicated by the x axis
- the normal direction of the first plate member 17 is indicated by the z axis.
- FIG. 7 is an enlarged front view of the radiator grill 13.
- one of the through holes 31 is referred to as a first through hole 31a.
- the first through hole 31a has a dumbbell shape.
- the first through hole 31a has a pair of circular portions 32 and 33 arranged in the first direction (y) and a communication portion 34 that allows the pair of circular portions 32 and 33 to communicate with each other.
- the communication portion 34 has a width in the second direction (x) that is smaller than the diameter of the circular portions 32 and 33.
- the first through hole 31a has a shape in which an ellipse long in the first direction (y) is narrowed in an intermediate portion in the first direction (y).
- the other through holes 31 have the same shape as the first through holes 31a.
- the plurality of through holes 31 have a circular portion of one through hole 31 out of a pair of through holes 31 adjacent to each other in the second direction (x), and a communicating portion of the other through hole 31 in the second direction (x).
- the through hole 31 adjacent to the first through hole 31a in the second direction (x) is referred to as a second through hole 31b.
- the through hole 31 adjacent to the first through hole 31a in the first direction (y) is referred to as a third through hole 31c.
- the through hole 31 adjacent to the second through hole 31b in the first direction (y) and adjacent to the third through hole 31c and the second direction (x) is referred to as a fourth through hole 31d. . That is, the first through hole 31a, the second through hole 31b, the third through hole 31c, and the fourth through hole 31 are adjacent to each other in the first direction (y) and the second direction (x). It shall be called the hole 31d.
- the first through hole 31a has a first circular part 32, a second circular part 33, and a communication part 34.
- the first circle part 32 and the second circle part 33 are arranged in the first direction (y).
- the communication part 34 is located between the first circle part 32 and the second circle part 33, and communicates the first circle part 32 and the second circle part 33.
- the second through hole 31b has a first circular part 32, a second circular part 33, and a communication part 34, like the first through hole 31a.
- the first circular portion 32 of the first through hole 31a is aligned with the communicating portion 34 of the second through hole 31b in the second direction (x).
- the second circular portion 33 of the second through hole 31b is aligned with the communication portion 34 of the first through hole 31a in the second direction (x).
- 3rd through-hole 31c has the 1st circle part 32, the 2nd circle part 33, and the communication part 34 like the 1st penetration hole 31a.
- the fourth through hole 31d has a first circular portion 32, a second circular portion 33, and a communication portion 34, similarly to the first through hole 31a.
- the first circular portion 32 of the third through hole 31c is aligned with the communicating portion 34 of the fourth through hole 31d in the second direction (x).
- the second circular portion 33 of the fourth through hole 31d is aligned with the communication portion 34 of the third through hole 31c in the second direction (x).
- the second circular portion 33 of the first through hole 31a is aligned with the portion between the second through hole 31b and the fourth through hole 31d in the second direction (x).
- the first circular portion 32 of the fourth through hole 31d is aligned with the portion between the first through hole 31a and the third through hole 31c in the second direction (x).
- FIG. 8 is an enlarged view of the first through hole 31a and the second through hole 31b.
- the first through hole 31a and the second through hole 31b are arranged close to each other.
- the tangent line La that is parallel to the first direction (y) and contacts the first circular portion 32 and the second circular portion 33 of the first through hole 31a is the second circular portion 33 of the second through hole 31b.
- a tangent line Lb that is parallel to the first direction (y) and is in contact with the first circular portion 32 and the second circular portion 33 of the second through hole 31b overlaps the first circular portion 32 of the first through hole 31a. .
- the first plate member 17 has a plurality of mounting holes 41-44.
- the first plate member 17 has four mounting holes 41-44.
- the first plate member 17 has a quadrangular shape when viewed from the front, and the mounting holes 41-44 are provided at each corner of the first plate member 17.
- reinforcing portions 45-48 in which the through holes 31 are not formed are provided around the mounting holes 41-44.
- a boss 49-52 is provided on the back surface of each mounting hole 41-44.
- the first radiator grill 14 is fixed to the vehicle body 4 by passing fixing members such as bolts through the holes of the mounting holes 41-44 and the bosses 49-52.
- the first radiator grille 14 has a plurality of hinge portions 53 and 54.
- the hinge portions 53 and 54 are attached to the vehicle body 4 so that the first radiator grill 14 can be rotated about a predetermined rotation axis.
- the first radiator grill 14 has a first hinge portion 53 and a second hinge portion 54.
- the 1st hinge part 53 and the 2nd hinge part 54 are arrange
- the first hinge portion 53 and the second hinge portion 54 are attached to the first plate member 17.
- the first hinge portion 53 and the second hinge portion 54 attach the first radiator grille 14 to the vehicle body 4 so as to be rotatable about a rotation axis extending in the first direction (y).
- the first radiator grill 14 has a plurality of first guide plates 55.
- the plurality of first guide plates 55 are disposed to face the back surface of the first plate member 17.
- Each first guide plate 55 extends in the second direction (x).
- 9 is a cross-sectional view taken along the line IX-IX in FIG. As shown in FIG. 9, each first guide plate 55 is inclined with respect to the normal direction (z) of the first plate member 17. In the present embodiment, each first guide plate 55 is inclined obliquely upward.
- the second radiator grill 15 has a second frame 61 and a second plate member 62.
- the second frame 61 supports the second plate member 62.
- the second plate member 62 has a plurality of through holes 64 similar to the through holes 31 of the first plate member 17.
- the second radiator grill 15 has hinge portions 65 and 66 similar to the hinge portions 53 and 54 of the first radiator grill 14. Further, the second radiator grill 15 has a plurality of second guide plates 63. Since the second radiator grille 15 has the same structure as that of the first radiator grille 14 except that it is bilaterally symmetric, detailed description thereof is omitted.
- the radiator grill 13 according to this embodiment has the following characteristics.
- the radiator grill 13 is formed of a plate member, it can block the flying object from the outside of the work vehicle 1 and protect the radiator 12.
- the through holes 31 having the above shapes alternately, the aperture ratio can be improved as compared with the case where a plurality of circular through holes are provided.
- the opening ratio of the radiator grill 13 of the present embodiment is the communication portion 34.
- the area is large. Therefore, in the radiator grill 13 according to the present embodiment, the aperture ratio can be increased while suppressing a decrease in rigidity. Thereby, the radiator grill 13 which concerns on this embodiment can implement
- the first circular portion 32 or the second circular portion 33 of one through hole 31 of the pair of through holes 31 adjacent to each other in the second direction (x) is parallel to the first direction (y) and the other Since it overlaps with a tangent line that contacts the pair of circular portions 32, 33 of the through hole 31, the plurality of through holes 31 are densely arranged. Thereby, an aperture ratio can further be improved.
- the radiator grille 13 has a first guide plate 55 that is inclined with respect to the normal direction (z) of the first plate member 17. For this reason, the flow of air passing through the through hole 31 can be guided by the first guide plate 55.
- the first guide plate 55 is inclined obliquely upward, the air blown from the through hole 31 to the outside of the work vehicle 1 can be guided obliquely upward. Thereby, it is possible to prevent the blade located in front of the radiator grill 13 from blocking the air flow from the through hole 31, and as a result, it is possible to increase the flow rate of the air blown from the through hole 31.
- the first direction is the vertical direction (y) and the second direction is the horizontal direction (x).
- the first direction and the second direction are limited to these directions. Absent.
- the first direction may be the horizontal direction (x)
- the second direction may be the vertical direction (y).
- the first direction and the second direction may be inclined with respect to the vertical direction (y) and the horizontal direction (x).
- the radiator grille 13 is divided into the first radiator grille 14 and the second radiator grille 15, but an integral radiator grille may be provided.
- the first circular portion 32 or the second circular portion 33 of one through hole 31 is parallel to the first direction (y) and the other through hole. It does not have to overlap with a tangent line in contact with the pair of circular portions 32 and 33 of the hole 31.
- the work vehicle is not limited to a bulldozer, but may be another work vehicle such as a wheel loader, a hydraulic excavator, or a motor grader.
- the radiator grill 13 is not limited to the front surface of the vehicle body, and may be disposed at other positions. For example, when the radiator 12 is disposed at the rear part of the vehicle main body, the radiator grill 13 may be provided on the back surface of the vehicle main body.
- the first guide plate 55 is not limited to the obliquely upward direction, and may be inclined in other directions. Alternatively, the first guide plate 55 may be omitted.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
Abstract
Description
Claims (4)
- 作業車両に搭載されるラジエータグリルであって、
フレームと、
第1の方向と、前記第1の方向に直交する第2の方向とに並んで配置される複数の貫通孔を有し、前記フレームに支持される板部材と、
を備え、
前記貫通孔のそれぞれは、前記第1の方向に並ぶ一対の円部と、前記円部の直径よりも小さな前記第2の方向における幅を有し一対の前記円部を連通させる連通部と、を有し、
前記複数の貫通孔は、前記第2の方向に隣接する一対の前記貫通孔のうち一方の前記貫通孔の前記円部が、他方の前記貫通孔の前記連通部と前記第2の方向に並ぶように、互い違いに配置される、
ラジエータグリル。 - 前記板部材の背面に対向して配置され、前記第2の方向に延びており、前記板部材の法線方向に対して傾斜している案内板を更に備える、
請求項1に記載のラジエータグリル。 - 前記第2の方向に隣接する一対の前記貫通孔のうち一方の前記貫通孔の前記円部は、前記第1の方向と平行であり他方の前記貫通孔の前記一対の円部に接する接線と重なる、
請求項1又は2に記載のラジエータグリル。 - 請求項1から3のいずれかに記載のラジエータグリルを備える作業車両。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2013/075567 WO2015040749A1 (ja) | 2013-09-20 | 2013-09-20 | ラジエータグリル |
JP2013547428A JP5501535B1 (ja) | 2013-09-20 | 2013-09-20 | ラジエータグリル |
US14/131,489 US8875824B1 (en) | 2013-09-20 | 2013-09-20 | Radiator grill |
CN201380002286.0A CN104812608B (zh) | 2013-09-20 | 2013-09-20 | 散热器格栅 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2013/075567 WO2015040749A1 (ja) | 2013-09-20 | 2013-09-20 | ラジエータグリル |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2015040749A1 true WO2015040749A1 (ja) | 2015-03-26 |
Family
ID=50941772
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2013/075567 WO2015040749A1 (ja) | 2013-09-20 | 2013-09-20 | ラジエータグリル |
Country Status (4)
Country | Link |
---|---|
US (1) | US8875824B1 (ja) |
JP (1) | JP5501535B1 (ja) |
CN (1) | CN104812608B (ja) |
WO (1) | WO2015040749A1 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10252611B2 (en) * | 2015-01-22 | 2019-04-09 | Ford Global Technologies, Llc | Active seal arrangement for use with vehicle condensers |
US10047496B2 (en) * | 2016-02-19 | 2018-08-14 | Komatsu Ltd. | Bulldozer |
US10813286B2 (en) * | 2017-11-15 | 2020-10-27 | Cnh Industrial America Llc | System and method for adjusting the flow orientation of an air flow exhausted from an agricultural harvester |
USD888622S1 (en) | 2019-12-09 | 2020-06-30 | Wei Xu | Automobile grille |
JP2021116555A (ja) * | 2020-01-23 | 2021-08-10 | キャタピラー エス エー アール エル | 作業機械 |
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JPH06174566A (ja) * | 1992-12-03 | 1994-06-24 | Ishida Co Ltd | 2ビーム型ロードセルおよびその製造方法 |
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JPH07195359A (ja) * | 1993-12-28 | 1995-08-01 | Kobe Steel Ltd | 混練装置 |
JP2003205519A (ja) * | 2002-01-11 | 2003-07-22 | Chisso Corp | 変質しやすい被混練材料の混練方法とこの方法に適した二軸押出機 |
JP2007224677A (ja) * | 2006-02-27 | 2007-09-06 | Shin Caterpillar Mitsubishi Ltd | 建設機械におけるカバー構造 |
US7581607B2 (en) * | 2006-05-24 | 2009-09-01 | Cnh America Llc | Grille arrangement for a drive unit enclosure |
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JP2012192560A (ja) * | 2011-03-15 | 2012-10-11 | Kobe Steel Ltd | 2軸押出機 |
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US6142108A (en) * | 1998-12-16 | 2000-11-07 | Caterpillar Inc. | Temperature control system for use with an enclosure which houses an internal combustion engine |
US7766111B2 (en) * | 2004-10-29 | 2010-08-03 | Daimler Trucks North America Llc | Selective closing of at least one vehicle opening at a front portion of a vehicle |
US8463493B2 (en) * | 2010-04-01 | 2013-06-11 | GM Global Technology Operations LLC | Powertrain thermal control with grille airflow shutters |
CN201777213U (zh) * | 2010-07-09 | 2011-03-30 | 华德塑料制品有限公司 | 一种具有安全性能的散热器格栅 |
US8739744B2 (en) * | 2010-09-09 | 2014-06-03 | GM Global Technology Operations LLC | Compound shutter system |
US20130081888A1 (en) * | 2011-09-30 | 2013-04-04 | GM Global Technology Operations LLC | Reconfigurable baseline opening for under-hood airflow |
US8662569B2 (en) * | 2011-10-11 | 2014-03-04 | Ford Global Technologies, Llc | Dual torque active grille shutter for snow and ice |
US8915320B2 (en) * | 2011-10-13 | 2014-12-23 | GM Global Technology Operations LLC | Variable actuation rate shutter louvers |
JP5204911B1 (ja) | 2012-03-28 | 2013-06-05 | 株式会社小松製作所 | ブルドーザ |
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2013
- 2013-09-20 US US14/131,489 patent/US8875824B1/en not_active Expired - Fee Related
- 2013-09-20 JP JP2013547428A patent/JP5501535B1/ja not_active Expired - Fee Related
- 2013-09-20 WO PCT/JP2013/075567 patent/WO2015040749A1/ja active Application Filing
- 2013-09-20 CN CN201380002286.0A patent/CN104812608B/zh not_active Expired - Fee Related
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06174566A (ja) * | 1992-12-03 | 1994-06-24 | Ishida Co Ltd | 2ビーム型ロードセルおよびその製造方法 |
DE4315163A1 (de) * | 1993-05-07 | 1994-11-10 | Braun Pebra Gmbh | Insektenschutzgitter |
JPH07195359A (ja) * | 1993-12-28 | 1995-08-01 | Kobe Steel Ltd | 混練装置 |
JP2003205519A (ja) * | 2002-01-11 | 2003-07-22 | Chisso Corp | 変質しやすい被混練材料の混練方法とこの方法に適した二軸押出機 |
JP2007224677A (ja) * | 2006-02-27 | 2007-09-06 | Shin Caterpillar Mitsubishi Ltd | 建設機械におけるカバー構造 |
US7581607B2 (en) * | 2006-05-24 | 2009-09-01 | Cnh America Llc | Grille arrangement for a drive unit enclosure |
WO2012081496A1 (ja) * | 2010-12-15 | 2012-06-21 | 日立建機株式会社 | 建設機械の外装カバー |
WO2012086521A1 (ja) * | 2010-12-24 | 2012-06-28 | 株式会社小松製作所 | ホイールローダ |
JP2012192560A (ja) * | 2011-03-15 | 2012-10-11 | Kobe Steel Ltd | 2軸押出機 |
Also Published As
Publication number | Publication date |
---|---|
US8875824B1 (en) | 2014-11-04 |
CN104812608A (zh) | 2015-07-29 |
JPWO2015040749A1 (ja) | 2017-03-02 |
CN104812608B (zh) | 2016-05-04 |
JP5501535B1 (ja) | 2014-05-21 |
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