CN102168436B - Carry scraper - Google Patents
Carry scraper Download PDFInfo
- Publication number
- CN102168436B CN102168436B CN201110056469.3A CN201110056469A CN102168436B CN 102168436 B CN102168436 B CN 102168436B CN 201110056469 A CN201110056469 A CN 201110056469A CN 102168436 B CN102168436 B CN 102168436B
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- Prior art keywords
- swing arm
- scraper
- oil cylinder
- cabin
- hinged
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- 239000003921 oil Substances 0.000 description 61
- 108010066057 cabin-1 Proteins 0.000 description 24
- 230000033001 locomotion Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 230000003028 elevating effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000009183 running Effects 0.000 description 4
- 208000028804 PERCHING syndrome Diseases 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000010727 cylinder oil Substances 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- Auxiliary Methods And Devices For Loading And Unloading (AREA)
Abstract
The embodiment of the invention discloses a carry scraper comprising a cab (1), a frame (3), a shovelling hopper (5) and a lifting device (2), wherein the cab (1) is hinged with the frame (3); the shovelling hopper (5) is connected with the frame (3); the lifting device (2) comprises a front oscillating arm (21), a rear oscillating arm (22) and an oil cylinder (23), wherein the front oscillating arm (21) is respectively hinged with the cab (1) and the frame (3); the rear oscillating arm (22) is respectively hinged with the cab (1) and the frame (3); the hinge points of the rear oscillating arm (22), the front oscillating arm (21) and the frame (3) and the hinge points of the rear oscillating arm (22), the front oscillating arm (21) and the cab (1) surround to form a parallelogram; one end of the oil cylinder (23) is connected with the frame (3) and provides power support for the front oscillating arm (21); the opening edge of the shovelling hopper (5) is hinged with a first coaming (51); and the first coaming (51) is hinged with the frame (3) by a sluice gate oil cylinder (52).
Description
Technical field
The present invention relates to automobile equipment field, more particularly, relate to a kind of scraper.
Background technology
Along with the fast development of China's economic construction, more and more for the engineering machinery kind of foundation construction field, comprising the scraper of predetermined power source, scraper is a kind of engineering machinery that integrates shoveling, muck haulage, unloads the several functions such as soil.
Generally scraper comprises that the oil cylinder of bowing is faced upward on driver's cabin, left lateral walking apparatus, right lateral walking apparatus, a left side, the oil cylinder of bowing, Scraper bowl and vehicle frame are faced upward in the right side.Wherein, driver's cabin is pivotable is arranged on vehicle frame; Scraper bowl and vehicle frame are fixed, and the rear end of vehicle frame is simultaneously hinged with the rear end of left lateral walking apparatus and right lateral walking apparatus; It is hinged with vehicle frame and left lateral walking apparatus respectively that the top and bottom of the oil cylinder of bowing are faced upward on a left side, and it is hinged with vehicle frame and right lateral walking apparatus respectively that the top and bottom of the oil cylinder of bowing are faced upward on the right side.
When scraper is during in shovel dress operating mode, a left side is faced upward bow oil cylinder and the right side and is faced upward the oil cylinder of bowing and shorten, and the perching knife of the front end of Scraper bowl contacts with ground, and scraper travels forward, and the front end of Scraper bowl shovels the earthwork in Scraper bowl by the tractive force of scraper; After Scraper bowl is filled, a left side is faced upward bow oil cylinder and the right side and is faced upward the oil cylinder of bowing and extend, the front end of Scraper bowl raises, the perching knife of the front end of Scraper bowl and surface separation, scraper is transportation operating mode by scraper change working, now between the perching knife of Scraper bowl and ground, there is certain distance, to guarantee that scraper has the suitable performance of passing through; After arriving the place of appointment, scraper is in Unloading Condition, and a left side is faced upward bow oil cylinder and the right side and faced upward the oil cylinder of bowing and shorten, and Scraper bowl rotation predetermined angular, by the earthwork unloading in Scraper bowl.
In order to guarantee to shovel smooth that loading and unloading carries, between driver's cabin and Scraper bowl, there is certain distance, to facilitate packing into of the earthwork, along with packing the earthwork into, get more and more, need the height of timely adjustment driver's cabin.Although have the lifting gear of driver's cabin in prior art, this lifting gear only can make driver's cabin once inside out to highest order or lowest order, can not realize the observation angle of adjusting at any time driver's cabin.And the front end of Scraper bowl arranges an opening conventionally; When transportation operating mode, the earthwork in Scraper bowl is easy to drop out from the opening part of front end; This has just limited the delivered payload capability of scraper, has also affected the road environment in transportation distance.
Summary of the invention
In view of this, the invention provides a kind of scraper, to realize driver's cabin, in lifting process, remain level, and prevent that the earthwork in Scraper bowl from coming off and improve the loading performance of scraper.
For achieving the above object, the invention provides following technical scheme:
, comprising driver's cabin, support, Scraper bowl and lifting gear, described driver's cabin is articulated with described support; Described Scraper bowl is arranged at described support and is connected;
Described lifting gear comprises front swing arm, rear-swing arm and oil cylinder, and wherein, described front swing arm is hinged with described driver's cabin and support respectively; Described rear-swing arm is hinged with described driver's cabin and support respectively, and the pin joint of described rear-swing arm and described front swing arm and described support, and the pin joint of described rear-swing arm and described front swing arm and described driver's cabin surrounds parallelogram; Described oil cylinder one end is connected with described support and provides power support for described front swing arm;
On described Scraper bowl edge of opening, be hinged with the first coaming plate, described the first coaming plate is hinged by sluice gate oil cylinder and described support.
Preferably, in above-mentioned scraper, described front swing arm middle part is hinged by lever and described oil cylinder.
Preferably, in above-mentioned scraper, between described front swing arm and described lever, be also provided with first connecting rod, described first connecting rod one end and described front swing arm middle part is hinged, being hinged of the other end and described lever.
Preferably, in above-mentioned scraper, described front swing arm and described rear-swing arm are for being L-type.
Preferably, in above-mentioned scraper, described front swing arm and described rear-swing arm are all arranged on the sidewall of described driver's cabin.
Preferably, in above-mentioned scraper, between described the first coaming plate and described Scraper bowl, be also provided with the second coaming plate, described the second coaming plate is hinged with described Scraper bowl and described the first coaming plate respectively.
Preferably, in above-mentioned scraper, on described the second coaming plate, be also provided with second connecting rod, the hinged inside of described second connecting rod one end and described the second coaming plate, the inside wall of the other end and described Scraper bowl is hinged.
Preferably, in above-mentioned scraper, the quantity of described second connecting rod is two, and is symmetricly set between described the second coaming plate and described Scraper bowl.
Preferably, in above-mentioned scraper, the quantity of described sluice gate oil cylinder is two and is symmetricly set on the both sides of described Scraper bowl.
From technique scheme, can find out, by adopting the lifting gear in scraper in the embodiment of the present invention, can be so that driver's cabin remains at level in elevating movement process.Driver's cabin, frame, front swing arm and rear-swing arm form parallel four-bar linkage, and oil cylinder provides power for front swing arm, and front swing arm can drive rear-swing arm according to particular track, to move simultaneously.When oil cylinder oil inlet, the driver's cabin being positioned on frame moves to the downside of frame under the effect of front swing arm and rear-swing arm; When oil cylinder oil return, the driver's cabin being positioned under frame moves to the upside of frame under the effect of front swing arm and rear-swing arm, finally realizes the elevating movement of driver's cabin.Due to front swing arm and rear-swing arm at motion process mid frame substantially in level, therefore, driver's cabin is also in level.Thus, the oil circuit of controlling oil cylinder can be designed to the state that can stop, human pilot can operate in driver's cabin, driver's cabin can be rested on arbitrarily angled, and can not affect the personal safety of human pilot.
On described Scraper bowl edge of opening, be hinged with the first coaming plate, described the first coaming plate is hinged with the corresponding edge of described Scraper bowl by sluice gate oil cylinder.When scraper is when shovel fills operating mode, sluice gate oil cylinder shrinks, and the direction that the first coaming plate shrinks around the hinge axes between Scraper bowl to sluice gate oil cylinder is rotated, rotate backward, thereby make the front end of Scraper bowl in opening-wide state, this scraper travels forward, and the earthwork is shoveled in Scraper bowl; In Scraper bowl, fill after the earthwork, this scraper proceeds to transportation operating mode, now sluice gate oil cylinder extends, the first coaming plate around and Scraper bowl between the hinge axes direction of extending to sluice gate oil cylinder rotate, rotate forward, and then make the gate device and Scraper bowl closure of scraper, the earthwork is just in the space in a sealing like this, thereby make cubic metre of earth to be difficult to drop out in Scraper bowl, that so just can try one's best fills Scraper bowl, and then makes the delivered payload capability of scraper higher; When scraper is during in Unloading Condition, sluice gate oil cylinder shrinks, and opens the gate device of scraper, makes scraper can unload smoothly soil.So both guaranteed the service behaviour of scraper, and also made the earthwork in Scraper bowl be difficult to drop out, and then make the delivered payload capability of scraper higher.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation of the scraper that Fig. 1 provides for the embodiment of the present invention;
A kind of structural representation of driver's cabin of the scraper that Fig. 2 provides for the embodiment of the present invention;
The another kind of structural representation of driver's cabin of the scraper that Fig. 3 provides for the embodiment of the present invention;
The third structural representation of driver's cabin of the scraper that Fig. 4 provides for the embodiment of the present invention;
The structural representation of the Scraper bowl that Fig. 5 provides for the embodiment of the present invention;
The another kind of structural representation of the Scraper bowl that Fig. 6 provides for the embodiment of the present invention;
The structural representation of the driver's cabin that Fig. 7 provides for embodiment of the present invention scraper when high state;
The structural representation of scraper when the driver's cabin that Fig. 8 provides for the embodiment of the present invention mediates state.
The specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
The invention discloses a kind of scraper, to realize driver's cabin, in lifting process, remain level, and prevent that the earthwork in Scraper bowl from coming off and improve the loading performance of scraper.
Please refer to shown in Fig. 1, Fig. 2 and Fig. 5, this scraper comprises driver's cabin 1, support 3 and lifting gear 2, and driver's cabin 1 is articulated with support 3; Lifting gear 2 comprises front swing arm 21, rear-swing arm 22 and oil cylinder 23, and wherein, front swing arm 21 is hinged with driver's cabin 1 and support 3 respectively; Rear-swing arm 22 is hinged with driver's cabin 1 and support 3 respectively, and the pin joint of rear-swing arm 22 and front swing arm 21 and support 3, and the pin joint of rear-swing arm 22 and front swing arm 21 and driver's cabin 1 surrounds parallelogram; Oil cylinder 23 one end are connected with support 3 and provide power support for front swing arm 21; On Scraper bowl 5 edge of opening, being hinged with the first coaming plate 51, the first coaming plates 51 is hinged by sluice gate oil cylinder and support 3.
In the embodiment of the present invention, driver's cabin 1 is pivotable is arranged on support 3, and concrete can realize by support 4, and support 4 one end and driver's cabin 1 are hinged, and the other end and support 3 are hinged.Driver's cabin 1 is when elevating movement like this, and driver's cabin 1 rotates around support 4 on the one hand, and driver's cabin 1 forces support 4 to rotate around support 3 on the other hand.
By adopting the lifting gear 2 in scraper in the embodiment of the present invention, can be so that driver's cabin 1 remains at level in elevating movement process.Driver's cabin 1, support 3, front swing arm 21 and rear-swing arm 22 form parallel four-bar linkages, and oil cylinder 23 provides power for front swing arm 21, and front swing arm 21 can drive rear-swing arms 22 according to particular track, to move simultaneously.When oil cylinder 23 oil-feed, the driver's cabin 1 being positioned on support 3 moves to the downside of support 3 under the effect of front swing arm 21 and rear-swing arm 22; When oil cylinder 23 oil return, the driver's cabin 1 being positioned under support 3 moves to the upside of support 3 under the effect of front swing arm 21 and rear-swing arm 22, finally realizes the elevating movement of driver's cabin 1.Due to front swing arm 21 and rear-swing arm 22 at motion process medium-height trestle 3 substantially in level, therefore, driver's cabin 1 is also in level.The oil circuit of controlling oil cylinder 23 can be designed to the state that can stop thus, human pilot can operate in driver's cabin 1, driver's cabin 1 can be rested on arbitrarily angled, and can not affect the personal safety of human pilot.
When scraper is when shovel fills operating mode, sluice gate oil cylinder shrinks, and the direction that the first coaming plate 51 shrinks around the hinge axes between Scraper bowl 5 to sluice gate oil cylinder is rotated, thereby makes the front end of Scraper bowl in opening-wide state, this scraper travels forward, and the earthwork is shoveled in Scraper bowl; In Scraper bowl, fill after the earthwork, this scraper proceeds to transportation operating mode, and now sluice gate oil cylinder extends, the first coaming plate 51 around and Scraper bowl 5 between the hinge axes direction of extending to sluice gate oil cylinder rotate.And then make the first coaming plate 51 and Scraper bowl closed, and the earthwork just in the space in a sealing like this, thus make the earthwork in Scraper bowl be difficult to drop out, and that so just can try one's best fills Scraper bowl, and then makes the delivered payload capability of scraper higher; When scraper is during in Unloading Condition, sluice gate oil cylinder 52 shrinks, and opens the first coaming plate 51 of scraper, makes scraper can unload smoothly soil.So both guaranteed the service behaviour of scraper, and also made the earthwork in Scraper bowl be difficult to drop out, and then make the delivered payload capability of scraper higher.
It should be noted that, oil cylinder 23 in lifting gear 2 in above-mentioned scraper provides power support for front swing arm 21, the active force that its oil cylinder 23 acts on front swing arm 21 can be horizontal direction, can also be vertical direction, or has certain angle with horizontal direction and vertical direction.
In order to reduce oil cylinder 23 intensity in running, in the embodiment of the present invention, between front swing arm 21 and oil cylinder 23, be also provided with lever 24, as shown in Figure 3, lever 24 is hinged with front swing arm 21 and oil cylinder 23 simultaneously.For front swing arm 21 provides power support.Now, front swing arm 21, lever 24 and oil cylinder 23 form linkage.Owing to having increased lever 24 in this linkage, therefore, even by the less structure of oil cylinder setting, also can complete smoothly rotatablely moving of front swing arm 21 and rear-swing arm 22.
In order further to optimize such scheme, between lever 24 and front swing arm 21, be also provided with first connecting rod 25, as shown in Figure 4, first connecting rod 25 one end and front swing arm 21 middle parts are hinged, being hinged of the other end and lever 24.When oil cylinder 23 promotes lever 24 rotation, lever 24 promotes connecting rods 25 and rotates, and first connecting rod 25 drives front swing arm 21 to rotate simultaneously, finally completes the rotation of front swing arm 21.
In order to increase the inertia force in front swing arm 21 and rear-swing arm 22 runnings, front swing arm 21 and rear-swing arm 22 are designed to L-type.Therefore the center of gravity of front swing arm 21 and rear-swing arm 22 leans forward, and when front swing arm 21 and rear-swing arm 22 are when rotating, can overturn forward fast, and there will not be dead point phenomenon.
Scraper provided by the present invention is in order better to prevent Scraper bowl 5 off-squares, as shown in Figure 5 and Figure 6, between its Scraper bowl 5 and the first coaming plate 51, be also provided with second coaming plate 54, the second coaming plate 54 one end and Scraper bowl 5 and be hinged, the other end and the first coaming plate 51 are hinged.In order to guarantee the intensity of Scraper bowl 5 in running, the quantity of sluice gate oil cylinder is two and comprises sluice gate oil cylinder 52 and sluice gate oil cylinder 55, and wherein sluice gate oil cylinder 52 and sluice gate oil cylinder 55 are symmetricly set between the first coaming plate 51 and Scraper bowl 5.In addition; in order to protect sluice gate oil cylinder 52 and sluice gate oil cylinder 55; in the embodiment of the present invention, also between the second coaming plate 54 and Scraper bowl 5, be provided with second connecting rod, the inside wall of second connecting rod one end and the second coaming plate 54 is hinged, and the inside wall of the other end and Scraper bowl 5 is hinged.Same, stressed even in order to guarantee, the number of second connecting rod is two, comprises second connecting rod 53 and second connecting rod 56, is symmetricly set on respectively between the second coaming plate 54 and Scraper bowl 5.
Sluice gate oil cylinder extends, and the direction that the first coaming plate 51 extends to sluice gate oil cylinder around the hinge axes between the first coaming plate 51 and Scraper bowl 5 is rotated, and rotates forward; The second coaming plate 54 rotates thereupon and moves downward, and makes connecting rod around the hinge axes rotation of connecting rod and Scraper bowl 5 simultaneously, and produces downward displacement; Now, the lower side of the second coaming plate 54 keeps coordinating with the lower side of Scraper bowl 5, thereby by the closure of openings of Scraper bowl 5 front ends; In Scraper bowl 5, cubic metre of earth be difficult to drop out like this, thus just can try one's best fill Scraper bowl 5, and then make the delivered payload capability of active scraper higher.
Below in conjunction with Fig. 7 and Fig. 8, specifically introduce cab motions process, Fig. 7 is the structural representation of driver's cabin fork lift truck when high state; Fig. 8 is the structural representation of driver's cabin fork lift truck while mediating state.
When driver's cabin is positioned at peak, oil cylinder 23 is flexible, and front swing arm 21 and rear-swing arm 22 support driver's cabin 1 in level, as shown in Figure 5.When needs drop to minimum point by driver's cabin, oil cylinder 23 stretches out, and promote lever 24, and realize successively the clockwise rotation of connecting rod 25, front swing arm 21, rear-swing arm 22, due to the basic level that keeps of support 3, therefore front swing arm 21 and rear-swing arm 22 drive driver's cabins 1 to move down, and when front swing arm 21 and rear-swing arm 22 Rotate 180s °, driver's cabin is substantially in minimum state.When needs rise driver's cabin, oil cylinder 21 is retracted, and pull lever 24, and realize successively the motion that is rotated counterclockwise of connecting rod 25, front swing arm 21, rear-swing arm 22, because support 3 is all the time in level, therefore, driver's cabin 1 remains level in uphill process, uses the above-mentioned lifting gear 22 can be so that driver's cabin 1 stops arbitrarily angled.In addition, when driver's cabin 1 moves downward, all right shield portions earthwork, prevents that the earthwork comes off in running.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the present invention.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (5)
1. a scraper, comprises driver's cabin (1), support (3), Scraper bowl (5) and lifting gear (2), and described driver's cabin (1) is articulated with described support (3); Described Scraper bowl (5) is arranged at described support (3) and is connected; It is characterized in that,
Described lifting gear comprises front swing arm (21), rear-swing arm (22) and oil cylinder (23), and wherein, described front swing arm (21) is hinged with described driver's cabin (1) and support (3) respectively; Described rear-swing arm (22) is hinged with described driver's cabin (1) and support (3) respectively, and the pin joint of described rear-swing arm (22) and described front swing arm (21) and described support (3), and the pin joint of described rear-swing arm (22) and described front swing arm (21) and described driver's cabin (1) surrounds parallelogram; Described oil cylinder (23) one end is connected with described support (3) and is that described front swing arm (21) provides power support;
On described Scraper bowl (5) edge of opening, be hinged with the first coaming plate (51), described the first coaming plate (51) is hinged by sluice gate oil cylinder and described support (3);
Described front swing arm (21) middle part is hinged by lever (24) and described oil cylinder (23);
Between described front swing arm (21) and described lever (24), be also provided with first connecting rod (25), described first connecting rod (25) one end and described front swing arm (21) middle part are hinged, and the other end and described lever (24) are hinged;
Between described the first coaming plate (51) and described Scraper bowl (5), be also provided with the second coaming plate (54), described the second coaming plate (54) is hinged with described Scraper bowl (5) and described the first coaming plate (51) respectively;
Described front swing arm (21) and described rear-swing arm (22) are L-type.
2. scraper according to claim 1, is characterized in that, described front swing arm (21) and described rear-swing arm (22) are all arranged on the sidewall of described driver's cabin (1).
3. scraper as claimed in claim 1, it is characterized in that, on described the second coaming plate (54), be also provided with second connecting rod, the hinged inside of described second connecting rod one end and described the second coaming plate (54), the inside wall of the other end and described Scraper bowl (5) is hinged.
4. scraper according to claim 3, is characterized in that, the quantity of described second connecting rod is two, and is symmetricly set between described the second coaming plate (54) and described Scraper bowl (5).
5. scraper according to claim 1, is characterized in that, the quantity of described sluice gate oil cylinder is two, and is symmetricly set on the both sides of described Scraper bowl (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110056469.3A CN102168436B (en) | 2011-03-09 | 2011-03-09 | Carry scraper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110056469.3A CN102168436B (en) | 2011-03-09 | 2011-03-09 | Carry scraper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102168436A CN102168436A (en) | 2011-08-31 |
| CN102168436B true CN102168436B (en) | 2014-02-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110056469.3A Expired - Fee Related CN102168436B (en) | 2011-03-09 | 2011-03-09 | Carry scraper |
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| Country | Link |
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| CN (1) | CN102168436B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201206084Y (en) * | 2008-03-04 | 2009-03-11 | 抚顺挖掘机制造有限责任公司 | Automatic up-down control cab for crawling crane |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT327792B (en) * | 1974-02-04 | 1976-02-25 | Schoberl & Soehne Joh | MOBILE CHARGER |
| JPS61275066A (en) * | 1985-05-30 | 1986-12-05 | Jidosha Kiki Co Ltd | Cab tilt device |
| US4925359A (en) * | 1986-07-18 | 1990-05-15 | Dunnegan Garry W | Quadflex bucket apparatus |
| CN2228096Y (en) * | 1995-08-21 | 1996-05-29 | 蚌埠市工程机械厂 | Hinged single-cylinder pulled-type scraper |
| CN2606757Y (en) * | 2003-03-05 | 2004-03-17 | 卢广盛 | Loading machine for four-wheel farm truck |
| JP2005273134A (en) * | 2004-03-22 | 2005-10-06 | Ccd Kk | Track-type vehicle for transporting excavated soil |
| JP4544171B2 (en) * | 2006-02-09 | 2010-09-15 | コベルコ建機株式会社 | Cabin lifting device |
| JP2008038502A (en) * | 2006-08-08 | 2008-02-21 | Shin Caterpillar Mitsubishi Ltd | Working traveling vehicle |
| JP2009035905A (en) * | 2007-07-31 | 2009-02-19 | Sumitomo (Shi) Construction Machinery Manufacturing Co Ltd | Cab lower area checking device of work machine |
| JP2010116690A (en) * | 2008-11-11 | 2010-05-27 | Sumitomo (Shi) Construction Machinery Co Ltd | Device for lifting and lowering cab of working machine |
| CN201310104Y (en) * | 2008-11-28 | 2009-09-16 | 王爱国 | Mini-scraper |
| US7997369B2 (en) * | 2009-06-02 | 2011-08-16 | Exodus Machines, Inc. | Articulating cab assembly for excavator |
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2011
- 2011-03-09 CN CN201110056469.3A patent/CN102168436B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201206084Y (en) * | 2008-03-04 | 2009-03-11 | 抚顺挖掘机制造有限责任公司 | Automatic up-down control cab for crawling crane |
Non-Patent Citations (5)
| Title |
|---|
| JP特开2005-273134A 2005.10.06 |
| JP特开2007-210468A 2007.08.23 |
| JP特开2008-38502A 2008.02.21 |
| JP特开2009-35905A 2009.02.19 |
| JP特开2010-116690A 2010.05.27 |
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| CN102168436A (en) | 2011-08-31 |
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