WO2008066108A1 - Dispositif de support de cabine d'opérateur d'un engin de chantier - Google Patents
Dispositif de support de cabine d'opérateur d'un engin de chantier Download PDFInfo
- Publication number
- WO2008066108A1 WO2008066108A1 PCT/JP2007/073042 JP2007073042W WO2008066108A1 WO 2008066108 A1 WO2008066108 A1 WO 2008066108A1 JP 2007073042 W JP2007073042 W JP 2007073042W WO 2008066108 A1 WO2008066108 A1 WO 2008066108A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pin
- frame
- cap
- hole
- restricting
- Prior art date
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/16—Cabins, platforms, or the like, for drivers
- E02F9/166—Cabins, platforms, or the like, for drivers movable, tiltable or pivoting, e.g. movable seats, dampening arrangements of cabins
Definitions
- the present invention relates to a work machine such as a bulldozer. Especially this invention
- a rear high-mounting type cap frame having a floor portion formed with a height difference in the front-rear direction, and a rear-cab supporting device for supporting the cap frame on the vehicle body frame, that is, an operator cap
- the present invention relates to a support device.
- anti-vibration mount devices are interposed at four front and rear left and right positions between a vehicle body frame and a floor of a cap frame. This anti-vibration mount device attenuates and reduces vibrations and shocks acting on the cap frame to improve ride comfort.
- the movement of the cap frame in the vertical direction, the front-rear direction, and the left-right direction is kept within a predetermined range between the floor portion of the cap frame and the vehicle body frame at the four locations corresponding to the vibration-proof mounting devices.
- a regulation mechanism for regulating each was provided, and this regulation mechanism was used to counter an excessive load acting on the cap frame.
- Patent Document 1 Japanese Patent Application Laid-Open No. 2002-138512
- An object of the present invention is to provide a rear cap support device in a working machine that can simplify the structure and reduce the manufacturing cost.
- a low portion is provided in the front side portion and a high portion is provided in the rear side portion.
- the anti-vibration mount device is interposed between the low part and the high part of the part.
- a rear-side restricting means for restricting the vertical, front-rear, and left-right movement ranges of the cap frame is provided directly below the rear pillar of the cap frame. Is arranged.
- the rear side restricting means is fixed to the floor of the cap frame in a suspended state, and is disposed opposite to the restricted member having a through hole in parallel with a gap between the front side and the rear side of the restricted member.
- the restriction member is fixed on the vehicle body frame and has a pin insertion hole, and the restriction member is fixed in a state of being fitted to the pin insertion hole of both restriction members so as to extend in the front-rear direction. It is comprised by the control pin penetrated by the through-hole of the member.
- a gap is provided on the upper side and the lower side between the outer peripheral surface of the restriction pin and the inner peripheral surface of the through hole of the restricted member, and there is a gap between the restricted member, the front restriction member, and the rear restriction member.
- gaps are provided on the left side and the right side between the outer peripheral surface of the regulating pin and the inner peripheral surface of the through hole of the regulated member, and the movement of the cap frame is within the range of each of these gaps.
- a stop plate is fixed to the restriction pin, and a bolt passing through the hole of the stop plate is screwed into a screw hole of the rear restriction member, so that the restriction pin becomes a pin of the restriction member. It is retained against the through hole.
- the overload sharing ratio is high! /
- the rear portion of the cap frame supports the rear portion.
- the regulated member and the regulating member of the rear side regulating means are arranged in parallel and the regulating pin is fixed between the regulating members, the rear side regulating means can be made compact and the configuration can be simplified. .
- a bolt that passes through a hole in the stop plate fixed to the restriction pin is screwed into a screw hole in the rear restriction member.
- the restriction pin that does not need to be formed can be configured to be thick and sturdy.
- it is received by the rear villa where a large part of the excessive load is applied when the bulldozer falls.
- the rear side restricting means is arranged immediately below the rear frame of the cap frame, the mechanism can appropriately counteract excessive loads.
- the rear side regulating means may be disposed directly below the reinforcing member fixed between the lower end portion of the rear pillar and the floor portion of the cap frame. Even in such a configuration, when the work machine falls, an excessive load acting on the rear pillar can be appropriately received by the rear side regulating means from directly below the reinforcing material fixed to the rear pillar. Therefore, it can counteract excessive loads.
- FIG. 1 is a side view showing a bulldozer equipped with an operator cab support device according to one embodiment.
- FIG. 2 is an enlarged perspective view showing the support state of the cap frame with respect to the vehicle body frame in the bulldozer of FIG.
- FIG. 3 is a side view showing the support state of the cap frame.
- FIG. 4 is a front view of the support state of the cap frame.
- FIG. 5 is a rear view of the support state of the cap frame.
- FIG. 6 is an enlarged perspective view showing a main part of the rear side regulating mechanism of the operator cap support device.
- FIG. 7 is an exploded perspective view showing the rear side regulating mechanism of FIG.
- FIG. 8 is a partial sectional view taken along line 8-8 in FIG.
- FIG. 9 is a partial cross-sectional view taken along line 9 9 in FIG.
- FIG. 10 is a partial cross-sectional view taken along line 10-10 in FIG.
- FIG. 11 is a partial sectional view taken along line 11 11 in FIG.
- FIG. 12 (a) is an enlarged front view of the main part showing the circle 12 in FIG. 4, and (b) is the first view.
- FIG. 3 is a plan sectional view showing a second regulating plate.
- FIG. 13 is a perspective view showing a front side regulating mechanism.
- FIG. 14 is a cross-sectional view corresponding to FIG.
- FIG. 15 is a cross-sectional view corresponding to FIG.
- FIG. 16 is a partial side view showing another modified example. BEST MODE FOR CARRYING OUT THE INVENTION
- a pair of front and rear support brackets 22 and 23 are fixedly arranged on the body frame 21 with a mutual interval in the front and rear direction and the left and right direction.
- a cap frame 24 is supported via a damper 25 as an anti-vibration mount device.
- the cab frame 24 includes a floor portion 26 and a ceiling portion 27. Between the floor portion 26 and the ceiling portion 27, a pair of left and right front pillars 28, an intermediate pillar 29, and a rear pillar 30 are disposed. Further, a reinforcing member 24 a fixed to both the pillars 30 and the floor portion 26 is provided between the rear pillars 30.
- the floor portion 26 of the cap frame 24 is formed to have a height difference in the front-rear direction, and the front side portion is a low portion 26a and the rear side portion is a high portion 26b.
- each damper 25 includes a case 32 fixed to support brackets 22, 23 on the vehicle body frame 21 by a plurality of bolts 31 (shown in FIG. 6). .
- a stud 34 fixed to the lower portion 26a or the upper portion 26b of the floor portion 26 of the cap frame 24 by a bolt 33 is provided.
- a buffer member 25a made of a coasting material such as rubber is disposed.
- Case 32 is filled with highly viscous damping liquid (not shown! /,) Such as silicone oil!
- each damper 25 moves relative to the case 32 in the vertical direction, the front-rear direction, and the left-right direction. Is done.
- the buffer member is elastically deformed in each damper 25, and the damping liquid is moved to generate flow resistance.
- the vibration and impact on the cap frame 24 are attenuated and mitigated by the cooperative action of these elastic deformation and flow resistance.
- each rear-side support bracket 23 on the vehicle body frame 21 there is a rear-side restricting means between each rear-side support bracket 23 on the vehicle body frame 21 and the left and right end portions of the high portion 26b of the floor portion 26 of the cap frame 24.
- a pair of left and right rear side regulating mechanisms 35 is provided. As shown in FIG. 5, these rear side restricting mechanisms 35 are positioned directly below the rear pillars 30 of the cap frame 24. Is arranged. In the event that an overload is applied to the cap frame 24 in the event that the bulldozer falls over, etc., the rear frame side of the cap frame 24 with a high share of the overload will cause the cap frame The movement of 24 in the vertical direction, the front-rear direction, and the left-right direction is restricted within a predetermined range.
- a regulated member 36 made of a metal plate is fixed in a suspended state just below the rear pillar 30 of the cab frame 24 on the lower surface of the high portion 26b of the floor portion 26.
- the member 36 has a through hole 36a.
- a pair of restricting members 37, 38 made of metal plates are arranged in the vertical direction on the rear upper end of the rear support bracket 23 on the vehicle body frame 21 so as to be opposed to the front side and the rear side of the regulated member 36. It is fixed in parallel with a certain distance in the direction. Pin restricting holes 37a and 38a are formed in the restricting members 37 and 38, respectively.
- a closing plate 39 is disposed on the outer side between the restricting members 37 and 38.
- a metal restricting pin 40 is fitted in the pin through holes 37a, 38a of the restricting members 37, 38 so as to extend in the front-rear direction, and an intermediate portion of the restricting pin 40 is formed of the restricted member 36.
- the through hole 36a is passed through.
- a stop plate 41 is fixed to the tip of the regulation pin 40.
- a bolt 42 passing through the hole 41a of the stopper plate 41 is screwed into the screw hole 38b of the rear side regulating member 38. By this screwing, the restricting pin 40 is held against the pin insertion holes 37a, 38a of the restricting members 37, 38 so as to be prevented from coming off.
- gaps S are respectively formed on the upper side and the lower side between the outer peripheral surface of the restricting pin 40 and the inner peripheral surface of the through hole 36a of the regulated member 36.
- la and S ib are formed.
- gaps Sla and Sib are formed within the range of the gaps Sla and Sib.
- gaps S2a and S2b are formed between the regulated member 36, the front regulating member 37, and the rear regulating member 38, respectively.
- this gap S2a, S2b the movement of the cap frame 24 in the front-rear direction is restricted.
- the front side regulating mechanism 43 includes a first regulating plate 51 and a second regulating plate 52. Composed.
- the first restricting plate 51 includes a flat plate-shaped flange 51b and a flat plate 51a that is vertically welded to the flat plate surface of the flange 51b.
- the flat plate 51a has a hook shape as a whole by forming a recess 51d in the flat plate 51a.
- the first restricting plate 51 has a bolt 60 on the lower surface of the lower portion 26a of the cap frame 24 in the flange 51b so that the recess 51d opens toward the outer side in the left-right direction of the work machine (the right side in FIG. 12).
- the second restricting plate 52 is substantially L-shaped in plan, and its base end portion 52a is fixed on the front support bracket 22 by a bolt 31 for fixing the damper 25, and the free end portion 52b is described above.
- the first restricting plate 51 protrudes forward from below the cap frame 24 through the inside of the recess 51d.
- a space S4 is formed between the upper surface of 52.
- a space S5 is formed between the standing side of the recess 51d and the edge of the free end 52b of the second restricting plate 52.
- a space S6 is formed between the lower side of the recess 51d and the lower surface of the second restricting plate 52.
- a gap S7 is formed between the rear side surface of the flat plate 51a of the first regulating plate 51 and the front end surface of the base end portion 52a of the second regulating plate 52. Yes. The movement of the cap frame 24 in the vertical direction, the horizontal direction, and the rearward direction is restricted within the range of the intervals S4 to S7.
- the left and right end portions of the lower portion 26a of the cap frame 24 are in a state where the restriction on the range of movement in the forward direction is released.
- the interval S4 is the gap Sla
- the interval S5 is the gaps S3a and S3b
- the interval S6 is the gap Sib
- the interval S7 is the gap S2b.
- the corresponding force S4 ⁇ S7 is the same width as the corresponding gap Sla, S3a, S3b, Slb, S2b, or the gap Sla, S3a, S3b, Sib, S2b. Slightly widely formed.
- the stud 34 When the vehicle body 21 is vibrated or shocked when the bulldozer is running, the stud 34 is moved relative to the case 32 in the vertical direction, the front-rear direction, and the left-right direction in each damper 25. Due to this relative movement, the shock absorbing member 25a (not shown) is elastically deformed in each damper 25, and a damping liquid (not shown) is moved to generate a flow resistance, and their cooperative action causes vibration and shock to the cap frame 24. Is attenuated and relaxed. Therefore, it is possible to ensure a good ride comfort within the cap frame 24.
- the rear side portion of the cap frame 24 has a higher share of the overload than the front side portion, and therefore tends to move and displace greatly in the vertical direction, the front-rear direction, and the left-right direction.
- the movement displacement of the rear side portion is regulated within a predetermined range by the rear side regulating mechanism 35 in all directions, up and down, front and rear, and left and right.
- the movement of the cap frame 24 in the vertical direction in FIG. 1 is restricted between the outer peripheral surface of the restricting pin 40 and the upper edge and the lower edge of the inner peripheral surface of the through hole 36a of the regulated member 36.
- the movement of the cap frame 24 in the front-rear direction that is, the movement in the left-right direction in FIG. 1 is restricted between the regulated member 36, the front-side regulating member 37, and the rear-side regulating member 38.
- the movement of the cab frame 24 in the left-right direction is performed on the right edge and the left side on the outer peripheral surface of the restriction pin 40 and the inner peripheral surface of the through hole 36a of the regulated member 36. Regulated between the edges.
- each damper 25 has a temporary restriction function in the range of movement in the vertical and horizontal directions.
- a regulation function that can withstand an excessive load in these directions is added to the damper itself, there will be a problem in terms of layout and manufacturing cost due to the larger damper. For this reason, the damper 25 has a movement range regulation function that can withstand excessive loads! / ,!
- the movement range of the rear portion of the cap frame 24 with a high overload sharing ratio is set by the rear-side regulating mechanism 35 so that the upper and lower portions of the cap frame 24 are moved up and down. It is possible to control within a predetermined range in all directions, front and rear and left and right. Therefore, even if the movement restriction for the upper, lower, front, rear, and left and right directions of the cap frame 24 is performed only on the rear side of the cap frame 24, it is possible to effectively counter an excessive load acting on the cap frame 24. it can.
- the regulated member 36 of the rear side regulating mechanism 35 and the regulating members 37, 38 are arranged in parallel, and the regulating pin 40 is inserted through the regulated member 36. Since it is fixed between the restricting members 37 and 38 through the hole 36a, the entire rear side restricting mechanism 35 can be made compact in one force place, and the number of parts can be reduced and the structure can be simplified. . Compared with the case where the rear part restricting mechanism 35 having such a simple configuration is provided at the two force points corresponding to the rear pillar 30, compared with the four force points at the four corners of the cab frame 24, the restricting mechanism is provided. The overall configuration can be simplified and the manufacturing cost can be reduced.
- a stop plate 41 is fixed to the restriction pin 40, and a bonus 42 passing through a hole 41 a of the stop plate 41 is screwed into a screw hole 38 b of the rear side restriction member 38.
- the restricting pin 40 is held against the pin insertion holes 37a and 38a of the restricting members 37 and 38 so as not to come off. This Therefore, even if the restriction pin 40 that does not need to be formed with a screw to prevent the removal is formed on the restriction pin 40, the manufacture and assembly thereof can be facilitated. In other words, since a thick and sturdy pin can be used as the restriction pin 40, a high protection function can be applied to the cap frame 24.
- the restriction mechanism having a complicated structure for restricting movement in all directions of up and down, front and rear, and right and left is provided on both the left and right sides of the high part 26b and the low part 26a of the cap frame 24. It is not necessary to provide each of the four locations corresponding to the edges.
- the front-side regulating mechanism 43 having a simple structure including the first regulating plate 51 and the second regulating plate 52 is only provided at two locations on the lower portion 26a side of the cap frame 24. . For this reason, the structure as the whole of the support device can be simplified.
- the rear side regulating mechanism 35 is arbitrarily changed.
- the rear side regulating mechanism 35 is attached to the rear pillar 30 as shown in FIGS. Then, it may be displaced in the front-rear direction or the left-right direction so as to be positioned along the extending direction of the reinforcing members 24a, 26c and directly below the reinforcing members 24a, 26c.
- the reinforcing members 24a and 26c fixed to the rear pillar 30 exist. Therefore, it is possible to appropriately counteract an excessive load as in the above embodiment.
- the front side regulating mechanism 43 in addition to regulating and releasing the moving range in the front direction of the cap frame 24, a configuration capable of regulating and releasing the moving range in the rear direction or both the left and right directions may be adopted.
- a configuration capable of regulating and releasing the moving range in the rear direction or both the left and right directions may be adopted.
- the front and rear directions of the first restricting plate 51 and the second restricting plate 52 in the front side restricting mechanism 43 are reversed so that the It is possible to release restrictions on the range of movement in the rearward direction of the system.
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Body Structure For Vehicles (AREA)
- Component Parts Of Construction Machinery (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200780043430XA CN101553629B (zh) | 2006-11-30 | 2007-11-29 | 工作机械的驾驶员驾驶室支承装置 |
JP2008547027A JP5047985B2 (ja) | 2006-11-30 | 2007-11-29 | 作業機械におけるオペレータキャブ支持装置 |
US12/442,724 US7938478B2 (en) | 2006-11-30 | 2007-11-29 | Operator'S cab supporting apparatus of work machine |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006-323704 | 2006-11-30 | ||
JP2006323704 | 2006-11-30 |
Publications (1)
Publication Number | Publication Date |
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WO2008066108A1 true WO2008066108A1 (fr) | 2008-06-05 |
Family
ID=39420364
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2007/073042 WO2008066108A1 (fr) | 2006-11-30 | 2007-11-29 | Dispositif de support de cabine d'opérateur d'un engin de chantier |
Country Status (5)
Country | Link |
---|---|
US (1) | US7938478B2 (ja) |
JP (1) | JP5047985B2 (ja) |
CN (2) | CN101542046B (ja) |
FR (1) | FR2909397A1 (ja) |
WO (1) | WO2008066108A1 (ja) |
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WO2009131025A1 (ja) * | 2008-04-25 | 2009-10-29 | 株式会社 小松製作所 | 作業機械のキャブストッパ装置及びその組付け方法、並びに作業機械のキャブ |
JP2010013095A (ja) * | 2008-07-04 | 2010-01-21 | Volvo Construction Equipment Ab | 保護装置を備えた建設機械用運転室 |
US20110121609A1 (en) * | 2009-06-30 | 2011-05-26 | Hoeefle Joeerg Jens | Vehicle Cab Frame |
CN114414269A (zh) * | 2022-03-30 | 2022-04-29 | 江苏天鑫机械科技有限公司 | 一种推土机驾驶室抗沙测试台架 |
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GB2458122A (en) * | 2008-03-04 | 2009-09-09 | Agco Sa | Cab mounting mechanism. |
JP5516439B2 (ja) * | 2011-01-25 | 2014-06-11 | コベルコ建機株式会社 | 建設機械 |
US8544939B2 (en) | 2011-02-04 | 2013-10-01 | Deere & Company | Cab tilt with multifunction flag pin |
US8505976B2 (en) * | 2011-04-21 | 2013-08-13 | ET Works, LLC | Tank support assembly for a crop sprayer |
CN102756757A (zh) * | 2011-04-27 | 2012-10-31 | 苏州益高电动车辆制造有限公司 | 驾驶室与底盘模块化结构 |
JP5810683B2 (ja) * | 2011-07-04 | 2015-11-11 | コベルコ建機株式会社 | 建設機械のキャブ支持構造 |
USD966958S1 (en) | 2011-09-27 | 2022-10-18 | Oshkosh Corporation | Grille element |
US8955859B1 (en) * | 2011-09-27 | 2015-02-17 | Oshkosh Corporation | Isolated cab mounting system for an armored vehicle |
US9045014B1 (en) | 2012-03-26 | 2015-06-02 | Oshkosh Defense, Llc | Military vehicle |
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CN104271844B (zh) * | 2013-03-29 | 2015-08-26 | 株式会社小松制作所 | 推土机 |
JP2016008029A (ja) * | 2014-06-26 | 2016-01-18 | ヤンマー株式会社 | 作業車両 |
CN105464658A (zh) * | 2015-06-30 | 2016-04-06 | 湖北天腾重型机械股份有限公司 | 巷道清理机 |
US9890024B2 (en) | 2016-04-08 | 2018-02-13 | Oshkosh Corporation | Leveling system for lift device |
US10093264B2 (en) * | 2016-12-27 | 2018-10-09 | Cnh Industrial America Llc | Cab mount for a work vehicle |
CN106515878B (zh) * | 2016-12-29 | 2018-12-21 | 柳工常州机械有限公司 | 一种驾驶室防倾翻装置 |
US10286964B2 (en) | 2017-09-07 | 2019-05-14 | Caterpillar Inc. | Lock mechanism for a tiltable operator cab |
US11008056B2 (en) | 2018-06-26 | 2021-05-18 | Deere & Company | Isolation system from noise and vibrations for a work vehicle |
US11873034B2 (en) | 2019-03-25 | 2024-01-16 | Volvo Truck Corporation | Rear suspension mounting assembly |
CN113184065A (zh) * | 2021-05-08 | 2021-07-30 | 徐工集团工程机械股份有限公司 | 工程车辆的驾驶室及工程车辆 |
US20230079417A1 (en) * | 2021-09-13 | 2023-03-16 | Caterpillar Sarl | Systems, assemblies, and methods for implementing key plate for locking cab to main body of work machine |
US11840279B2 (en) * | 2021-11-04 | 2023-12-12 | Zoomlion Heavy Industry Na, Inc. | Secondary retention devices for retaining a heavy equipment cab on a frame |
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- 2007-11-29 US US12/442,724 patent/US7938478B2/en active Active
- 2007-11-29 CN CN2007800434992A patent/CN101542046B/zh active Active
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- 2007-11-29 JP JP2008547027A patent/JP5047985B2/ja active Active
- 2007-11-29 WO PCT/JP2007/073042 patent/WO2008066108A1/ja active Application Filing
- 2007-11-30 FR FR0759447A patent/FR2909397A1/fr active Pending
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US8393670B2 (en) | 2008-04-25 | 2013-03-12 | Komatsu Ltd. | Cab stopper device for work machine, method for fixing the cab stopper and cab of work machine |
JP2010013095A (ja) * | 2008-07-04 | 2010-01-21 | Volvo Construction Equipment Ab | 保護装置を備えた建設機械用運転室 |
US20110121609A1 (en) * | 2009-06-30 | 2011-05-26 | Hoeefle Joeerg Jens | Vehicle Cab Frame |
CN114414269A (zh) * | 2022-03-30 | 2022-04-29 | 江苏天鑫机械科技有限公司 | 一种推土机驾驶室抗沙测试台架 |
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JPWO2008066108A1 (ja) | 2010-03-11 |
CN101542046A (zh) | 2009-09-23 |
US7938478B2 (en) | 2011-05-10 |
JP5047985B2 (ja) | 2012-10-10 |
CN101553629A (zh) | 2009-10-07 |
US20100176624A1 (en) | 2010-07-15 |
CN101553629B (zh) | 2012-08-15 |
CN101542046B (zh) | 2011-12-07 |
FR2909397A1 (fr) | 2008-06-06 |
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