WO2016080340A1 - 作業機械 - Google Patents
作業機械 Download PDFInfo
- Publication number
- WO2016080340A1 WO2016080340A1 PCT/JP2015/082099 JP2015082099W WO2016080340A1 WO 2016080340 A1 WO2016080340 A1 WO 2016080340A1 JP 2015082099 W JP2015082099 W JP 2015082099W WO 2016080340 A1 WO2016080340 A1 WO 2016080340A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- fuel tank
- counterweight
- disposed
- engine
- mount
- Prior art date
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Classifications
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- 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
- E02F9/0808—Improving mounting or assembling, e.g. frame elements, disposition of all the components on the superstructures
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/36—Component parts
- E02F3/38—Cantilever beams, i.e. booms;, e.g. manufacturing processes, forms, geometry or materials used for booms; Dipper-arms, e.g. manufacturing processes, forms, geometry or materials used for dipper-arms; Bucket-arms
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- 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
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- 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
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- 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
- E02F9/16—Cabins, platforms, or the like, for drivers
-
- 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
- E02F9/18—Counterweights
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/0076—Details of the fuel feeding system related to the fuel tank
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/30—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam, i.e. boom
- E02F3/32—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam, i.e. boom working downwardly and towards the machine, e.g. with backhoes
-
- 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
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2278—Hydraulic circuits
- E02F9/2292—Systems with two or more pumps
Definitions
- the present invention relates to a work machine on which a counterweight and a fuel tank are mounted.
- the work machine is equipped with a driver's seat on which the driver gets on the upper revolving superstructure, a fuel tank in which fuel is stored, a counterweight for balancing the weight of a boom, an arm, and the like.
- the fuel tank is disposed to the side of the upper revolving structure, and the counterweight is disposed at the rear of the upper revolving body (Patent Document 1).
- the work machine may work at a work site remote from the fueling facility. In such a case, it is conceivable to reduce the number of movements to the fueling facility by increasing the size of the fuel tank.
- the fuel tank When attempting to enlarge the fuel tank at the side position of the upper revolving superstructure where the fuel tank is conventionally arranged, the fuel tank can only be expanded upward or forward.
- the driver's seat is disposed on the side opposite to the disposition side of the fuel tank of the upper revolving superstructure. Therefore, when the fuel tank is expanded upward or forward, the driver's visibility is deteriorated, which causes a problem that the operability is deteriorated.
- a working machine comprises a lower traveling body, an upper revolving body pivotally arranged on the lower traveling body, an arm, and one end connected to the upper revolving body and the other end being the arm
- a driver's seat mounted on the left front of the frame, an engine disposed behind the driver's seat, a fuel tank disposed rearward of the engine, and a fuel tank disposed rearward of the fuel tank And the fuel tank is disposed in a recess formed in the counterweight.
- the above-described means provides a working machine capable of achieving an increase in the size of the fuel tank while keeping the driver's visibility good.
- FIG. 1 is a side view of a shovel (excavator) as a construction machine which is an example of a working machine according to an embodiment of the present invention.
- the upper swing body 3 is rotatably mounted on the lower traveling body 1 of the shovel via the swing mechanism 2.
- a boom 4 is attached to the upper swing body 3.
- An arm 5 is attached to the tip of the boom 4, and a bucket 6 as an end attachment is attached to the tip of the arm 5.
- the end attachment is not limited to the bucket 6, and a grapple, a harvester or the like may be attached.
- the boom 4, the arm 5 and the bucket 6 constitute an excavating attachment which is an example of an attachment, and are hydraulically driven by the boom cylinder 7, the arm cylinder 8 and the bucket cylinder 9 respectively. Further, a driver's seat 10 is provided on the upper revolving superstructure 3 and a power source such as the engine 11 is mounted.
- FIG. 2 is a block diagram showing a configuration example of a drive system of the shovel of FIG.
- the mechanical power system is indicated by a double line, the high pressure hydraulic line by a thick solid line, the pilot line by a thick broken line, and the electric drive and control system by a thin solid line.
- the drive system of the shovel mainly includes an engine 11, a regulator 13, a main pump 14, a pilot pump 15, a control valve 17, an operating device 26, a pressure sensor 29, a controller 18, and a remaining amount sensor 32.
- the engine 11 is a driving source of a shovel.
- the engine 11 is supplied with fuel from a fuel tank 20.
- a diesel engine is used as an internal combustion engine that operates to maintain a predetermined rotational speed.
- the output shaft of the engine 11 is connected to the input shaft of the main pump 14 and the pilot pump 15.
- the main pump 14 supplies hydraulic fluid to the control valve 17 via a high pressure hydraulic line.
- the main pump 14 is a swash plate type variable displacement hydraulic pump.
- the regulator 13 controls the discharge amount of the main pump 14.
- the regulator 13 controls the discharge amount of the main pump 14 by adjusting the swash plate tilt angle of the main pump 14 in accordance with the discharge pressure of the main pump 14, the control signal from the controller 18, etc. .
- the pilot pump 15 supplies hydraulic oil to various hydraulic control devices via a pilot line.
- the pilot pump 15 is a fixed displacement hydraulic pump.
- the control valve 17 is a hydraulic control device that controls a hydraulic system in the shovel.
- the control valve 17 is one or more of the boom cylinder 7, the arm cylinder 8, the bucket cylinder 9, the left traveling hydraulic motor 1A, the right traveling hydraulic motor 1B, and the turning hydraulic motor 2A.
- the hydraulic fluid which the main pump 14 discharges is selectively supplied.
- boom cylinder 7, the arm cylinder 8, the bucket cylinder 9, the left traveling hydraulic motor 1A, the right traveling hydraulic motor 1B, and the turning hydraulic motor 2A are collectively referred to as "hydraulic actuators".
- the operating device 26 is a device used by the operator for operating the hydraulic actuator.
- the operating device 26 supplies the hydraulic oil discharged by the pilot pump 15 to the pilot port of the control valve in the control valve 17.
- the operating device 26 supplies the hydraulic oil discharged by the pilot pump 15 to the pilot port of the control valve corresponding to each of the hydraulic actuators.
- the pressure (pilot pressure) of the hydraulic fluid supplied to each of the pilot ports is a pressure corresponding to the operating direction and the amount of operation of the lever or pedal of the operating device 26 corresponding to each of the hydraulic actuators.
- the pressure sensor 29 is an example of an operation content detection unit for detecting the operation content of the operation device 26.
- the pressure sensor 29 detects the operation direction and the operation amount of the operating device 26 corresponding to each of the hydraulic actuators in the form of pressure, and outputs the detected values to the controller 18.
- the operation content of the operation device 26 may be detected using another sensor other than the pressure sensor, such as an inclination sensor that detects the inclination of the various operation levers.
- the pressure sensor 29 is attached to each of the operating devices 26 such as the left side traveling lever, the right side traveling lever, the arm operating lever, the turning operating lever, the boom operating lever, and the bucket operating lever.
- the remaining amount sensor 32 detects the remaining amount of fuel in the fuel tank 20.
- a float type sensor can be used as the remaining amount sensor 32, but the present invention is not limited to this.
- the cable 32a connected to the remaining amount sensor 32 is pulled out to the hydraulic pump chamber 27B in the engine chamber 27 by being inserted into the insertion hole provided in the partition plate 25 as shown in FIG. 3A. And by being inserted in the penetration hole provided in shielding wall 27C, it is pulled out to air filter room 51, and is connected to controller 18 arranged in the driver's cab.
- the controller 18 is a control device for controlling a shovel.
- the controller 18 is constituted by a computer provided with a CPU, a RAM, a ROM and the like. Further, the controller 18 reads programs corresponding to various functional elements from the ROM and loads them into the RAM, and causes the CPU to execute processing corresponding to the various functional elements.
- the controller 18 electrically detects each operation content of the operating device 26 based on the output of the pressure sensor 29.
- the operation content is, for example, the presence or absence of lever operation, the lever operation direction, the lever operation amount, and the like.
- FIG. 3A, FIG. 3B, FIG. 4, FIG. 5, FIG. 6 is a figure for demonstrating the internal structure of the upper revolving superstructure 3.
- the direction indicated by the arrow X1 may be referred to as the front, and the direction indicated by the arrow X2 may be referred to as the rear.
- the direction indicated by the arrow Y1 may be referred to as the right direction, and the direction indicated by the arrow Y2 may be referred to as the left direction.
- the upper swing body 3 has a swing frame 3A as shown in FIG. 3A, FIG. 3B and FIG.
- a driver's seat 10, an engine 11, a hydraulic oil tank 19, a fuel tank 20, a partition plate 25, a shielding wall 27C, a counterweight 30, a tool box 50 and the like are mounted on the swing frame 3A.
- the driver's seat 10 is mounted on the left front of the turning frame 3A.
- the engine 11 is disposed in an engine room 27 behind the driver's seat 10.
- a main pump 14 is attached in the hydraulic pump chamber 27B on the right side of the engine 11.
- the main pump 14 is driven by the engine 11 and supplies hydraulic fluid to the control valve 17 via a high pressure hydraulic line.
- the fuel tank 20 is disposed at the rear of the engine 11. In the present embodiment, the fuel tank 20 is enlarged, and the shovel can be operated without fueling for several days.
- the fuel tank is disposed to the right of the driver's seat 10.
- the fuel tank is enlarged in this arrangement, it is necessary to expand the fuel tank upward or forward, and the view from the driver's seat 10 May be worse.
- the fuel tank 20 behind the engine 11 as in the present embodiment, even if the fuel tank 20 is enlarged, the visibility from the driver's seat 10 does not deteriorate.
- the partition plate 25 is disposed between the engine 11 and the fuel tank 20. Moreover, the partition plate 25 is installed in the frame fixed to the revolving frame 3A. The partition plate 25 can separate the engine chamber 27 in which the engine 11 is disposed from the fuel tank chamber 28 in which the fuel tank 20 is disposed. Thus, the heat generated from the engine 11 or the like in the engine chamber 27 is blocked by the partition plate 25, and the heat of the engine 11 or the like can be prevented from affecting the fuel tank 20.
- the supply piping 21 as a fuel hose for supplying the fuel stored in the fuel tank 20 to the engine 11 and the fuel for returning surplus fuel from the engine 11 to the fuel tank 20
- a return pipe 23 as a hose is provided.
- the supply pipe 21 is provided with a fuel pump 22 for pressure-feeding fuel from the fuel tank 20 to the engine 11.
- a radiator 24 provided in the radiator chamber 27A is connected to the return pipe 23. The fuel whose temperature has been increased by the engine 11 is cooled by the radiator 24 and then returned to the fuel tank 20.
- the partition plate 25 is provided between the engine 11 and the fuel tank 20, but as shown in FIG. 3A, the supply pipe 21 and the return pipe 23 penetrate the partition plate 25.
- the supply piping 21 as a fuel hose is installed in the hydraulic pump chamber 27B through the partition plate 25 and is connected to the fuel pump 22 disposed in the hydraulic pump chamber 27B.
- a return pipe 23 as a fuel hose is installed in the fuel tank chamber 28 through the partition plate 25 and is connected to the fuel tank 20 disposed in the fuel tank chamber 28. Therefore, even if the partition plate 25 is provided, fuel can be supplied and recovered between the engine 11 and the fuel tank 20.
- the counterweight 30 is disposed rearward of the fuel tank 20.
- the counterweight 30 is formed by casting.
- the counterweight 30 includes an upper wall 30u, a right side wall 30r, a left side wall 30l, a right bottom wall 30br, and a middle bottom wall 30bc, It has left bottom wall 30bl and rear wall 30ba.
- Top wall 30u, right side wall 30r, left side wall 30l, right bottom wall 30br, middle bottom wall 30bc, and left bottom wall 30bl constitute a rectangular frame
- rear wall 30ba is a frame It is designed to close one opening of the body. Therefore, the counterweight 30 has a configuration in which the recess 31 is formed inside.
- the fuel tank 20 is configured to be mountable in the recess 31. Therefore, when the counterweight 30 is attached to the upper swing body 3, the fuel tank 20 is covered by the counterweight 30.
- the front surface of the fuel tank 20 is disposed so as to be flush with the front end portion of the counterweight 30, or to be behind the front end portion of the counterweight 30.
- the fuel tank 20 is large in size and heavy in weight, and filled with fuel makes the weight even heavier.
- the heavy fuel tank 20 inside the counterweight 30, it is used as a part of the counterweight 30. With this configuration, the counterweight 30 can be prevented from protruding rearward, and the fuel tank 20 can be made larger without increasing the radius of the rear end of the swing of the upper swing body 3.
- the bottom of the counterweight 30 is constituted by the right bottom wall 30br, the middle bottom wall 30bc, and the left bottom wall 30bl.
- a right side notch 33 r is formed between the right bottom wall portion 30 br and the middle bottom wall portion 30 bc.
- a left notch 33l is formed between the left bottom wall portion 30bl and the middle bottom wall portion 30bc.
- the right side notch 33 r and the left side notch 33 l connect the recess 31 formed inside the counterweight 30 and the outside of the counterweight 30.
- the right side notch 33r and the left side notch 33l extend from the end face on the inner side (the side facing the engine chamber 27) of the counterweight 30 toward the rear (in the direction of arrow X2) to the front of the rear wall 30ba.
- the existing notch structure may be a through hole penetrating the rear wall portion 30ba.
- the engine 11, the fuel tank 20, and the counterweight 30 described above are mounted on an engine frame 34 that constitutes a part of the swing frame 3A.
- the engine frame 34 has a base 35 and beam portions 36A and 36B, as shown in FIG.
- the beam portions 36A, 36B are provided to extend in the front-rear direction on the swing frame 3A. Further, the beam portion 36A and the beam portion 36B are disposed apart from each other by a predetermined distance in the left-right direction.
- a boom 4 is rotatably attached to the front end of each beam portion 36A, 36B via a boom foot pin 4a.
- Four engine mounts 37 are provided at substantially central positions of the beam portions 36A and 36B.
- the engine 11 is mounted on four engine mounts 37.
- each beam 36A, 36B a widened tip 38A, 38B is formed.
- the tip portions 38A, 38B have fuel tank mounts 39A, 39B on which the fuel tank 20 is mounted, and counterweight mounts 40A, 40B on which the counterweight 30 is mounted.
- the fuel tank mount 39A is provided on the left side (arrow Y2 side) of the position where the counterweight mount 40A is formed.
- the fuel tank mount 39B is provided on the tip 38B on the right side (arrow Y1 side) of the position where the counterweight mount 40B is formed.
- the tip portions 38A, 38B separate the fuel tank mounts 39A, 39B and the counterweight mounts 40A, 40B in the left-right direction (vehicle width direction) and overlap in the left-right direction (vehicle width direction). It is supposed to be arranged.
- FIG. 4 shows the fuel tank 20 and the counterweight 30 mounted on the engine frame 34.
- the shapes of the lower portion (bottom portion) of the fuel tank 20 and the counterweight 30 are indicated by two-dot chain lines.
- FIG. 6 shows a state in which the fuel tank 20 is mounted on the fuel tank mounts 39A, 39B of the tip portions 38A, 38B.
- the fuel tank 20 has a tank fixing right side bracket 42r and a tank fixing left side bracket 42l at the lower part.
- the tank fixing right side bracket 42r and the tank fixing left side bracket 421 are fixed to the leading end portions 38A and 38B by using bolts 43 as fastening members.
- the fuel tank 20 is fixed to the fuel tank mounts 39A, 39B via the tank fixing right side bracket 42r and the tank fixing left side bracket 42l.
- the bolt 43 is inserted from the lower side into the insertion holes 45A, 45B formed in the tip portions 38A, 38B (beams 36A, 36B), whereby the tank fixing right bracket 42r and the tank fixing left bracket 42l are inserted. Is fixed to the fuel tank mounts 39A, 39B.
- a space is formed under the fuel tank 20. This space is divided into three spaces of a right space 20r, a central space 20c, and a left space 20l by a tank fixing right bracket 42r and a tip 38B, and a tank fixing left bracket 42l and a tip 38A. It is defined.
- the partition plate 25 is arrange
- the right and left notches 33 r and the left notches 33 l are formed at the bottom of the counterweight 30.
- the right side notch 33 r and the left side notch 33 l are disposed apart from each other in the left-right direction.
- the formation position of the right side notch 33r is configured to correspond to the formation position of the right side bracket 42r for tank fixing
- the formation position of the left side notch 33l is configured to correspond to the formation position of the left side bracket 421 for tank fixation.
- the formation position of the right bottom wall portion 30 br is configured to correspond to the position of the right space portion 20 r, and the formation position of the middle bottom wall portion 30 bc is configured to correspond to the position of the central space portion 20 c.
- the formation position is configured to correspond to the formation position of the left space portion 20l.
- the counterweight 30 When mounting the counterweight 30 on the engine frame 34, the counterweight 30 is inserted forward (in the direction of arrow X1) with respect to the engine frame 34 on which the fuel tank 20 is mounted.
- the tank fixing right bracket 42r is inserted into the right notch 33r, and the tank fixing left bracket 42l is in the left notch 33l. Inserted into The right bottom wall 30br is inserted into the right space 20r, the middle bottom wall 30bc is inserted into the central space 20c, and the left bottom wall 30bl is inserted into the left space 20l.
- a predetermined portion on the left side (arrow Y2 side) of the middle bottom wall portion 30bc is mounted on the counterweight mount 40A of the tip end portion 38A. Further, a predetermined portion on the right side (arrow Y1 side) of the insole wall portion 30bc is also mounted on the counterweight mount 40B of the distal end portion 38B.
- bolt holes are formed at positions corresponding to the insertion holes 46A, 46B formed in the counterweight mounts 40A, 40B.
- a bolt as a fastening member is inserted from below into the insertion holes 46A, 46B formed in the counterweight mounts 40A, 40B, and the middle bottom wall portion It fixes to the bolt hole formed in 30bc.
- the counterweight 30 is fixed to the counterweight mounts 40A and 40B.
- the bolts for fixing the counterweight 30 to the counterweight mounts 40A and 40B are inserted from the lower side of the tip portions 38A and 38B (beams 36A and 36B) and fixed. Further, as described above, the bolts 43 for fixing the fuel tank 20 to the fuel tank mounts 39A, 39B are also inserted from the lower side of the tip portions 38A, 38B (beams 36A, 36B) and fixed.
- the fuel tank 20 and the counterweight 30 are separately mounted on the tip portions 38A and 38B (beams 36A and 36B), so that the counterweight 30 can be attached and detached separately from the fuel tank 20. It becomes possible.
- the assemblability can be improved, and when it is necessary to remove the counterweight 30 due to maintenance or the like, the workability of removing the counterweight 30 can be improved.
- the insertion holes 46A, 46B formed in the counterweight mounts 40A, 40B are disposed within the width t of the beam portions 36A, 36B at the tip portions 38A, 38B. And it is comprised so that it may be located on centerline 48A, 48B (dashed dotted line of FIG. 4) extended to the longitudinal direction of beam part 36A, 36B. However, as long as the insertion holes 46A, 46B are disposed within the width t of the beam portions 36A, 36B, they may not be on the center lines 48A, 48B.
- the boom 4 can be pivoted to the beam portions 36A, 36B via the boom foot pin 4a such that the center line 4x extending in the longitudinal direction extends parallel to the center lines 48A, 48B of the beam portions 36A, 36B. Is attached to
- the load and moment generated when the counterweight 30 heavier than the fuel tank 20 is mounted on the counterweight mounts 40A and 40B can be received at a portion where the rigidity of the beam portions 36A and 36B is high.
- the load and moment generated by the digging attachment can also be received at the rigid portion of the beam portions 36A and 36B.
- the counterweight 30 and the digging attachment which are heavy items, can be supported by the engine frame 34 more reliably.
- the present invention can be widely applied to work machines used for forestry work, dismantling work, civil engineering work and the like.
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- General Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Component Parts Of Construction Machinery (AREA)
- Soil Working Implements (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
Description
Claims (10)
- 下部走行体と、
前記下部走行体に旋回自在に配置された上部旋回体と、
アームと、
一端を前記上部旋回体に接続し、他端を前記アームに接続したブームと、
フレームの左前方に搭載された運転席と、
前記運転席の後方に配置されたエンジンと、
前記エンジンの後方に配置された燃料タンクと、
前記燃料タンクの後方に配置されたカウンタウェイトと、を有し、
前記燃料タンクは、前記カウンタウェイトに形成された凹部の中に配置される、
作業機械。 - 前記エンジンが配置された空間部と、前記燃料タンクが配置された空間部との間に仕切りを配置したことを特徴とする請求項1記載の作業機械。
- 前記カウンタウェイトが搭載されるカウンタウェイト用マウントと、
前記カウンタウェイト用マウントと別個に前記燃料タンクが搭載される燃料タンク用マウントとを有し、
前記カウンタウェイト用マウントと前記燃料タンク用マウントは、それぞれ別個に前記フレームに搭載されることを特徴とする請求項1記載の作業機械。 - 前記カウンタウェイト用マウントは、前記フレームの梁部に設けられていることを特徴とする請求項3記載の作業機械。
- 前記カウンタウェイト用マウントに形成された挿通孔は前記梁部の幅内に配置され、且つ、前記梁部の中心線と前記ブームの中心線とは互いに平行であることを特徴とする請求項4記載の作業機械。
- 前記燃料タンク用マウントは、前記カウンタウェイト用マウントの外側で前記フレームに設けられていることを特徴とする請求項3記載の作業機械。
- 前記燃料タンク用マウントと前記カウンタウェイト用マウントは、車幅方向で重なるように配置されることを特徴とする請求項3記載の作業機械。
- 前記カウンタウェイトの下部に切欠きが形成されていることを特徴とする請求項1に記載の作業機械。
- 前記燃料タンクの燃料ホースは、前記仕切りを貫通していることを特徴とする請求項2記載の作業機械。
- 前記燃料ホースは、前記仕切り板を貫通して油圧ポンプ室へ配索され、前記油圧ポンプ室内に配置された燃料ポンプに接続されていることを特徴とする請求項9記載の作業機械。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201580062587.1A CN107109821A (zh) | 2014-11-19 | 2015-11-16 | 工作机械 |
JP2016560206A JP6692752B2 (ja) | 2014-11-19 | 2015-11-16 | 作業機械 |
KR1020177013668A KR102426643B1 (ko) | 2014-11-19 | 2015-11-16 | 작업기계 |
US15/596,092 US10174480B2 (en) | 2014-11-19 | 2017-05-16 | Work machine |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014-234877 | 2014-11-19 | ||
JP2014234877 | 2014-11-19 |
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US15/596,092 Continuation US10174480B2 (en) | 2014-11-19 | 2017-05-16 | Work machine |
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US (1) | US10174480B2 (ja) |
JP (1) | JP6692752B2 (ja) |
KR (1) | KR102426643B1 (ja) |
CN (1) | CN107109821A (ja) |
WO (1) | WO2016080340A1 (ja) |
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WO2024048151A1 (ja) * | 2022-08-30 | 2024-03-07 | 株式会社日立建機ティエラ | 電動式建設機械 |
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JP6692752B2 (ja) * | 2014-11-19 | 2020-05-13 | 住友建機株式会社 | 作業機械 |
JP6497737B2 (ja) * | 2015-06-18 | 2019-04-10 | キャタピラー エス エー アール エル | 建設機械におけるカウンタウエイト支持構造 |
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JP2002090205A (ja) * | 2000-09-12 | 2002-03-27 | Kubota Corp | オイルゲージ装置 |
JP2003268807A (ja) * | 2002-03-12 | 2003-09-25 | Shin Caterpillar Mitsubishi Ltd | 旋回型作業機械 |
JP2006057291A (ja) * | 2004-08-18 | 2006-03-02 | Shin Caterpillar Mitsubishi Ltd | 作業機械のカウンタウエイト |
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JP2009001088A (ja) | 2007-06-20 | 2009-01-08 | Caterpillar Japan Ltd | 建設機械における燃料タンク |
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JP2009144511A (ja) * | 2009-03-30 | 2009-07-02 | Caterpillar Japan Ltd | 建設機械の騒音低減構造 |
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EP3020869A4 (en) * | 2013-07-08 | 2017-03-22 | Volvo Construction Equipment AB | Construction machine |
JP6692752B2 (ja) * | 2014-11-19 | 2020-05-13 | 住友建機株式会社 | 作業機械 |
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2015
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- 2015-11-16 WO PCT/JP2015/082099 patent/WO2016080340A1/ja active Application Filing
- 2015-11-16 KR KR1020177013668A patent/KR102426643B1/ko active IP Right Grant
- 2015-11-16 CN CN201580062587.1A patent/CN107109821A/zh active Pending
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JP2002090205A (ja) * | 2000-09-12 | 2002-03-27 | Kubota Corp | オイルゲージ装置 |
JP2003268807A (ja) * | 2002-03-12 | 2003-09-25 | Shin Caterpillar Mitsubishi Ltd | 旋回型作業機械 |
JP2006057291A (ja) * | 2004-08-18 | 2006-03-02 | Shin Caterpillar Mitsubishi Ltd | 作業機械のカウンタウエイト |
WO2006080495A1 (ja) * | 2005-01-31 | 2006-08-03 | Komatsu Ltd. | 作業車両 |
JP2008007099A (ja) * | 2006-06-28 | 2008-01-17 | Volvo Construction Equipment Ab | 建設又は森林装備の燃料供給システム及び追加燃料タンク |
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KR20170085052A (ko) | 2017-07-21 |
US10174480B2 (en) | 2019-01-08 |
US20170247858A1 (en) | 2017-08-31 |
JP6692752B2 (ja) | 2020-05-13 |
KR102426643B1 (ko) | 2022-07-27 |
CN107109821A (zh) | 2017-08-29 |
JPWO2016080340A1 (ja) | 2017-09-07 |
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