WO2012056690A1 - 運搬車両 - Google Patents
運搬車両 Download PDFInfo
- Publication number
- WO2012056690A1 WO2012056690A1 PCT/JP2011/005975 JP2011005975W WO2012056690A1 WO 2012056690 A1 WO2012056690 A1 WO 2012056690A1 JP 2011005975 W JP2011005975 W JP 2011005975W WO 2012056690 A1 WO2012056690 A1 WO 2012056690A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- sound absorbing
- support frame
- transport vehicle
- opening
- radiator
- Prior art date
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Classifications
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- 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
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- 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
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- 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
- B60K11/08—Air inlets for cooling; Shutters or blinds therefor
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- 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
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- 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
- B60R2019/525—Radiator grilles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/10—Road Vehicles
- B60Y2200/14—Trucks; Load vehicles, Busses
- B60Y2200/145—Haulage vehicles, trailing trucks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/40—Special vehicles
- B60Y2200/41—Construction vehicles, e.g. graders, excavators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2306/00—Other features of vehicle sub-units
- B60Y2306/09—Reducing noise
Definitions
- the present invention relates to a transport vehicle such as a dump truck, and more particularly to a sound absorbing duct device suitable for application to a large dump truck.
- a radiator is mounted on the front portion of the vehicle body, and a radiator guard for protecting the radiator is installed on the front portion of the radiator.
- a radiator guard is composed of a cover integrally formed as a whole.
- a cover provided with a sound absorbing function of a radiator fan using a sound absorbing duct as shown in Patent Document 2.
- the present invention provides a transport vehicle having a duct device mounting structure that facilitates attachment and removal of a sound absorbing duct from a vehicle body, improves workability, and is advantageous in terms of storage in a detached state.
- the purpose is to provide.
- the transport vehicle according to claim 1 is: A support frame that divides an opening for introducing air into a radiator of an engine mounted on a vehicle body of a transport vehicle; Each frame of the opening divided by the support frame is attached to the frame around the opening and the support frame by fixing the mounting pieces provided on the periphery with bolts, and the sound absorption to the inner walls of the plurality of air passages. And a plurality of sound absorbing ducts to which a material is attached.
- the transport vehicle according to claim 2 is the transport vehicle according to claim 1,
- the lower end of the support frame is fixed to the main frame of the vehicle body, the upper end is fixed to a walking deck, and the opening is divided into two parts on the left and right.
- the transport vehicle according to claim 3 is the transport vehicle according to claim 1 or 2,
- the support frame has an air passage to a radiator.
- the transport vehicle according to claim 4 is the transport vehicle according to claim 3, A sound absorbing material is affixed to the inner wall of the air passage.
- the weight and size of one sound absorbing duct is about half or less compared to the case where one sound absorbing duct is provided in the opening. For this reason, handling of the sound absorbing duct is facilitated, workability is improved, and the sound absorbing duct can be easily attached to and removed from the vehicle body. In addition, when the sound absorbing duct is removed, the area occupied by the sound absorbing duct is reduced. By storing the sound absorbing ducts in a stacked manner, the storage space can be reduced and the storage becomes easy. Further, since the periphery of the sound absorbing duct is fixed not only to the frame portion provided around the opening portion but also to the support frame by the bolt, the mounting strength is improved.
- the opening is divided into left and right, so that by removing the sound absorbing duct on one side, a passage to a radiator through which an operator can pass can be formed. Maintenance and inspection of the radiator can be performed without opening the entire surface, and the maintenance and inspection work of the radiator becomes easy.
- the sound absorption duct can be attached to the opening without the support frame reducing the amount of air to the radiator.
- the sound absorbing material is provided in the air passage in the support frame, the sound absorbing effect can be exhibited also in the support frame.
- FIG. 3 is a front view of a sound absorbing duct mounting portion showing a state in which the sound absorbing duct is removed in the transport vehicle of FIG. 2.
- (A), (B) is the front view and side view of the support frame of this Embodiment, respectively.
- It is a front view which shows the attachment structure with respect to the main frame of the support frame of this Embodiment.
- FIG. 1 is a side view showing an embodiment of a transport vehicle according to the present invention
- FIG. 2 is a front view showing a front portion thereof.
- the transport vehicle of this embodiment is a dump truck, and this dump truck has a sturdy frame structure, and includes a vehicle body 1 having front wheels 2 and rear wheels 3, a vessel 4 mounted on the vehicle body 1, and a cabin. 5.
- the vessel 4 is configured as a large container having a total length of 10 to 13 m in order to load a large amount of heavy loads such as crushed stones and coal, for example, and a collar portion 4a covering the cabin 5 from the upper side is integrally formed on the upper front side. Is provided.
- the vessel 4 is raised and lowered by a hydraulic cylinder 7 around a shaft 6 at the rear of the vehicle body 1.
- an engine as a prime mover, a generator driven by the engine, and a hydraulic pump (both not shown) are mounted.
- a radiator 20 (see FIG. 3) is mounted in front of the engine or the like.
- other heat exchangers for air conditioning, hydraulic oil, fuel, and the like which are other heat exchangers, may be installed in the radiator installation portion.
- Reference numeral 8 denotes a control panel provided as a power control device, which performs power control of the dump truck. The control panel 8 is for operating the electric motor for driving the rear wheels 3 and the like by the electric power generated by the generator.
- the vertical frames 10 and 11 are fixed to the left and right on the main frame 1 a of the vehicle body 1, and the cabin 5 is installed on the left vertical frame 10.
- the control panel 8 is installed on the right side of the cabin 5 in the main frame 1a.
- a resistor 12 that consumes counter electromotive force generated by electric braking is installed on the right vertical frame 11.
- Reference numeral 13 denotes a deck provided between the upper frames 10 and 11 and the vertical frames 10 and 11 for an operator, maintenance personnel, etc. to walk, and 14 is a handrail erected on the outside thereof.
- the deck 13 and the handrail 14 are attached to the left and right vertical frames 10 and 11 around the cabin 5 and the front part of the control panel 8.
- Reference numeral 15 denotes a ladder attached to the vertical frames 10 and 11 for moving up and down on the deck 13, and 16 denotes an air cleaner for removing dust in the air sucked into the engine.
- Reference numerals 17a and 17b denote sound absorbing ducts which are provided separately on the left and right sides of the support frame 24 according to the present invention.
- FIG. 3 shows the state of the mounting portion of the sound absorbing ducts 17a and 17b with the sound absorbing ducts 17a and 17b removed.
- the opening 18 for introducing air into the radiator 20 is divided into two sections 18 a and 18 b by a support frame 24.
- seat screws 19 are welded to the main frame 1a, the vertical frames 10 and 11 and the deck 13, respectively. These seat screws 19 are respectively sound absorbing ducts 17a and 17b.
- FIGS. 4A and 4B are a front view and a side view of the support frame 24, respectively.
- the support frame 24 is rectangular in cross-sectional shape, and a plurality of sheet screws 25 are welded to the front surface of the support frame 24 with a space therebetween in the vertical direction in order to fix one side of the sound absorbing ducts 17a and 17b.
- Each sheet screw 25 has screw holes 25a on the left and right.
- An attachment plate 26 for attaching the support frame 24 to the main frame 1 a is welded to the lower end of the support frame 24.
- An attachment plate 32 for attaching the support frame 24 to the deck 13 is welded to the upper end of the support frame 24.
- Reference numeral 48 denotes an air intrusion prevention plate welded to the left and right sides of the support frame 24.
- the air intrusion prevention plate 48 is provided with the same projecting width as the seat screw 25 of the support frame 24, and in the state where the mounting pieces 45 (see FIG. 7) of sound absorbing ducts 17a and 17b described later are in contact and fixed, This prevents air from entering the opening 18 from the gap between the adjacent seat screws 25, 25.
- FIG. 5 shows a structure in which the lower end of the support frame 24 is attached to the main frame 1a.
- a bracket 27 protruding forward is fixed to the front surface of the main frame 1 a with bolts 28, and is attached to bolts insertion holes 26 a and 27 a respectively provided on the mounting plate 26 and the bracket 27 welded to the support frame 24.
- the lower end of the support frame 24 is fixed to the main frame 1a by inserting the bolt 29 and screwing and fastening the bolt 29 to a nut 30 provided on the back surface of the bracket 27.
- the bolt insertion hole 26a provided in the mounting plate 26 is a long hole that is long in the front-rear direction as shown in FIG. 4B so that the front-rear position of the support frame 24 can be adjusted.
- FIG. 6 shows a structure in which the upper end of the support frame 24 is attached to the deck 13.
- a shim 33 and an anti-vibration rubber 34 are sandwiched between a seat screw 19 provided on the deck 13 and an attachment plate 32, and an anti-vibration is provided between the attachment plate 32 and the presser plate 35.
- Rubber 36 is interposed.
- a cylindrical spacer 37 is inserted into a hole provided in the vibration isolating rubbers 34 and 36 and a hole 32 a provided in the mounting plate 32.
- the bolt 38 is inserted into the bolt insertion hole 35a of the holding plate 35, the spacer 37, and the bolt insertion hole 33a of the shim 33, and is screwed into the screw hole 19a of the seat screw 19 to be fastened. 13 is fixed.
- the shim 33 is provided for adjusting the amount of protrusion of the support frame 24 to the front surface. Further, since the vibration isolating rubbers 34 and 36 are different in vibration frequency and amplitude of the deck 13 from the main frame 1a when the dump truck is in operation (the deck 13 is more likely to vibrate than the main frame 1a), the vibration of the deck 13 is also affected. Thus, the support frame 24 is relieved so that no force is applied to the support frame 24.
- FIG. 7 is a diagram showing the structure of the sound absorbing ducts 17a and 17b as a representative of the one sound absorbing duct 17a.
- the sound absorbing duct 17 a forms a plurality of air passages 42 defined in a lattice shape by the vertical and horizontal iron plates 40 and 41 fixed to each other, and the iron plates 40 and 41 constituting each air passage 42 are formed.
- a sound absorbing material 43 made of urethane resin foam or the like is attached to the inner wall.
- Mounting pieces 44 for mounting the sound absorbing duct 17a to the seat screw 19 of the opening 18 are provided on the three sides around the sound absorbing duct 17a.
- An attachment piece 45 for attaching the sound absorbing duct 17a to the seat screw 25 of the support frame 24 is provided on the other side of the sound absorbing duct 17a.
- Bolt insertion holes 44 a and 45 a are provided in these attachment pieces 44 and 45.
- Reference numerals 44b and 45b denote ribs welded between the plate surfaces of the mounting plates 44 and 45 and the outer surface of the sound absorbing duct 17a.
- the other sound absorbing duct 17b is configured symmetrically with the sound absorbing duct 17a.
- the sound absorbing duct 17a has three sides applied to the seat screw 19 welded to the main frame 1a, the vertical frame 10 and the deck 13, respectively, and a bolt 46 is inserted into the bolt insertion hole 44a of the mounting piece 44.
- the screw hole 19a is screwed and fixed.
- the mounting piece 45 of the sound absorbing duct 17a is fixed by screwing a bolt 47 inserted into the bolt insertion hole 45a into the screw hole 25a of the seat screw 25 and fastening.
- FIG. 9 shows a structure in which the mounting piece 44 is fixed to the deck 13 with bolts 46.
- the fixing structure using the bolts 46 uses the anti-vibration rubbers 34 and 36 and the shim 33 as in the structure for attaching the mounting plate 32 at the upper end of the support frame 24 to the deck 13 shown in FIG.
- the attachment of the attachment piece 44 to the seat screw 19 provided in the main frame 1a and the left and right vertical frames 10 and 11 is performed in the same structure.
- the other sound absorbing duct 17b is also attached to the opening 18 with the same structure.
- the sound absorbing duct is divided into the plurality of sound absorbing ducts 17a and 17b. Therefore, compared with the case where one sound absorbing duct is provided in the opening 18, the sound absorbing duct per one sound absorbing duct is used.
- the weight and size of the sound absorbing duct are reduced to about half.
- each of the sound absorbing ducts 17a and 17b is about 200 kg as an example. Since the weight is reduced and the area is reduced to about half, the handling of the sound absorbing duct is facilitated, the workability is improved, and the sound absorbing duct can be easily attached to and removed from the vehicle body. .
- the occupied area of the sound absorbing ducts 17a and 17b is narrowed, and the storage space is narrowed by storing the sound absorbing ducts 17a and 17b, and the storage becomes easy.
- the periphery of the sound absorbing ducts 17a and 17b is fixed not only to the frame portion provided around the opening 18 but also to the support frame 24 by the bolts 47, the mounting strength is improved.
- a similar structure is used for mounting the mounting piece 44 to the seat screw 19 provided in the main frame 1a and the left and right vertical frames 10 and 11.
- the opening 18 is divided into left and right by the support frame 24, as shown in FIG. 8, for example, by removing the sound absorbing duct 17b on one side, an operator can pass through.
- a path to the radiator 20 can be configured.
- the left and right widths of the divided sections 18a and 18b of the opening 18 are 1 m or more and the height is 2 m or more.
- a space through which a person can pass is formed between the radiator 20 and the sound absorbing ducts 17a and 17b. Accordingly, if one of the sound absorbing ducts 17a and 17b is removed without removing both of the sound absorbing ducts 17a and 17b, the radiator 20 can be maintained and inspected.
- FIG. 10 is a front view showing another example of the support frame that divides the opening 18, and the support frame 24A in this example is formed with an air passage 50 penetrating in the front-rear direction. If such an air passage 50 is formed, the reduction of the air passage area by the support frame 24A can be mitigated.
- the support frame 24A of this example is provided with a sound absorbing material 51 on the inner wall of the air passage 50 forming portion.
- a sound absorbing material 51 By providing such a sound absorbing material 51, the sound absorbing effect in the support frame 24A can be enhanced.
- the present invention has been described above with reference to the embodiment, the present invention is not limited to the above-described embodiment, and various modifications and additions can be made without departing from the gist of the present invention.
- the support frame is not provided vertically but may be provided horizontally or vertically and horizontally, and the number of divisions may be three or more.
- 1 vehicle body, 1a: main frame, 2: front wheel, 3: rear wheel, 4: vessel, 5: cabin, 6: shaft, 7: hydraulic cylinder, 8: control panel, 10, 11: vertical frame, 12: resistance 13: Deck, 14: Handrail, 15: Ladder, 16: Air cleaner, 17a, 17b: Sound absorption duct, 18: Opening, 18a, 18b: Dividing area, 19: Seat screw, 24, 24A: Support frame, 27: Bracket, 28, 29: Bolt, 30: Nut, 32: Mounting plate, 33: Shim, 34, 36: Anti-vibration rubber, 35: Presser plate, 37: Spacer, 38: Bolt, 40, 41: Iron plate, 42: Air passage, 43: Sound absorbing material, 44, 45: Mounting piece, 46, 47: Bolt, 50: Air passage, 51: Sound absorbing material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Body Structure For Vehicles (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
Description
運搬車両の車体に搭載するエンジンのラジエータへ空気を導入する開口部を分割する支持枠と、
前記支持枠により分割された開口部の各区域に、開口部周囲の枠と前記支持枠に、周辺部に設けた取付片をボルトにより固定してそれぞれ取付けられ、複数の空気通路の内壁に吸音材を貼り付けた複数の吸音ダクトとを備えたことを特徴とする。
前記支持枠の下端を車体のメインフレームに固定し、上端を歩行用のデッキに固定して前記開口部を左右に2分割したことを特徴とする。
前記支持枠はラジエータへの空気通路を有することを特徴とする。
前記空気通路の内壁に吸音材を貼り付けたことを特徴とする。
Claims (4)
- 運搬車両の車体に搭載するエンジンのラジエータへ空気を導入する開口部を分割する支持枠と、
前記支持枠により分割された開口部の各区域に、開口部周囲の枠と前記支持枠に、周辺部に設けた取付片をボルトにより固定してそれぞれ取付けられ、複数の空気通路の内壁に吸音材を貼り付けた複数の吸音ダクトとを備えたことを特徴とする運搬車両。 - 請求項1に記載の運搬車両において、
前記支持枠の下端を車体のメインフレームに固定し、上端を歩行用のデッキに固定して前記開口部を左右に2分割したことを特徴とする運搬車両。 - 請求項1または2に記載の運搬車両において、
前記支持枠はラジエータへの空気通路を有することを特徴とする運搬車両。 - 請求項3に記載の運搬車両において、
前記空気通路の内壁に吸音材を貼り付けたことを特徴とする運搬車両。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2011322003A AU2011322003B2 (en) | 2010-10-28 | 2011-10-26 | Transportation vehicle |
EP11835835.7A EP2634030B1 (en) | 2010-10-28 | 2011-10-26 | Transportation vehicle |
CN201180050191.7A CN103180157B (zh) | 2010-10-28 | 2011-10-26 | 搬运车辆 |
US13/823,456 US8967310B2 (en) | 2010-10-28 | 2011-10-26 | Haulage vehicle |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2010242610A JP2012091745A (ja) | 2010-10-28 | 2010-10-28 | 運搬車両 |
JP2010-242610 | 2010-10-28 |
Publications (1)
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WO2012056690A1 true WO2012056690A1 (ja) | 2012-05-03 |
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ID=45993436
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2011/005975 WO2012056690A1 (ja) | 2010-10-28 | 2011-10-26 | 運搬車両 |
Country Status (6)
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US (1) | US8967310B2 (ja) |
EP (1) | EP2634030B1 (ja) |
JP (1) | JP2012091745A (ja) |
CN (1) | CN103180157B (ja) |
AU (1) | AU2011322003B2 (ja) |
WO (1) | WO2012056690A1 (ja) |
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AU2013218903B2 (en) * | 2012-02-06 | 2015-10-22 | Hitachi Construction Machinery Co., Ltd. | Transportation vehicle |
CA2938940C (en) * | 2014-02-27 | 2017-12-19 | Komatsu Ltd. | Dump truck |
DE102014003155A1 (de) * | 2014-03-03 | 2015-09-03 | Liebherr-Mining Equipment Colmar Sas | Arbeitsmaschine, insbesondere Muldenkipper oder Truck |
US9863719B2 (en) | 2014-09-26 | 2018-01-09 | Caterpillar Inc. | Heat exchanger support assembly |
US11555289B2 (en) | 2020-06-30 | 2023-01-17 | Caterpillar Inc. | Construction vehicle |
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KR100974278B1 (ko) * | 2008-03-18 | 2010-08-06 | 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 | 건설장비의 엔진실 |
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2010
- 2010-10-28 JP JP2010242610A patent/JP2012091745A/ja active Pending
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2011
- 2011-10-26 WO PCT/JP2011/005975 patent/WO2012056690A1/ja active Application Filing
- 2011-10-26 EP EP11835835.7A patent/EP2634030B1/en not_active Not-in-force
- 2011-10-26 US US13/823,456 patent/US8967310B2/en not_active Expired - Fee Related
- 2011-10-26 AU AU2011322003A patent/AU2011322003B2/en not_active Ceased
- 2011-10-26 CN CN201180050191.7A patent/CN103180157B/zh not_active Expired - Fee Related
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Also Published As
Publication number | Publication date |
---|---|
CN103180157A (zh) | 2013-06-26 |
EP2634030A1 (en) | 2013-09-04 |
CN103180157B (zh) | 2016-01-20 |
US20130199862A1 (en) | 2013-08-08 |
EP2634030A4 (en) | 2014-03-12 |
AU2011322003B2 (en) | 2015-03-19 |
EP2634030B1 (en) | 2015-10-07 |
AU2011322003A1 (en) | 2013-05-02 |
JP2012091745A (ja) | 2012-05-17 |
US8967310B2 (en) | 2015-03-03 |
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