CN102425195A - Pipe grabbing machine matched with excavator - Google Patents
Pipe grabbing machine matched with excavator Download PDFInfo
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- CN102425195A CN102425195A CN2011103853977A CN201110385397A CN102425195A CN 102425195 A CN102425195 A CN 102425195A CN 2011103853977 A CN2011103853977 A CN 2011103853977A CN 201110385397 A CN201110385397 A CN 201110385397A CN 102425195 A CN102425195 A CN 102425195A
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Abstract
The pipe grabbing machine matched with the excavator comprises a front claw mechanism (1), a rear claw mechanism (2), a front side claw (3), a supporting frame (4), a rear side claw (5), a clamping piston (6), a clamping oil cylinder (7), a rotary pin shaft (8), a circular retaining ring (9), a pin shaft clamping block (10) and a long connecting pin shaft (11); the front claw mechanism (1) is connected with the rear claw mechanism (2) through a rotary pin shaft (8); the clamping oil cylinder (7) is in pin joint with the rear side claw (5); the clamping piston (6) is sleeved with the rotary pin shaft (8) and is connected with the clamping oil cylinder (7) to form an oil cylinder piston; the front claw mechanism (1) is connected with a bucket rod and a rocker of the single-bucket hydraulic excavator through a pin shaft. The invention aims to provide an excavator pipe grabbing machine tool which can work safely, is stable in structure and is convenient to mount and dismount quickly. The invention considers the importance of safety and replaceability, the pipe grabbing machine can firmly clamp the pipeline in the grabbing claws when the pipeline is hoisted to work, and can be exchanged with a bucket of a single-bucket hydraulic excavator, and the pipe grabbing machine has the characteristics of convenient installation and simple operation. The invention reflects the high attention to the working safety in the construction of clamping and hoisting the tubular object and the requirements on the aims of improving the working efficiency and saving the working time.
Description
Technical field
The invention belongs to engineering machinery field, relate to the excavator outfitting tool, specifically relate to the supporting grab pipe machine tool of excavator.
Technical background
Excavator is a kind of engineering machinery of earth excavation; It is widely used in building operations; Its engineering machinery of carrying out earth excavation is mainly used in fields such as road construction, water conservancy construction, surface mine digging and agricultural infrastructure construction, is accompanied by the fast development of national economic development this year; The quantity of usage mining machine shared ratio in engineering machinery improves gradually, is the highest a kind of excavation of earthwork machinery of frequency of utilization in the engineering construction.
The monobucket hydraulic excavator is a kind of principal mode of excavator at present, and it adopts the excavating gear of backhoe as excavator, can improve excavation and delivered payload capability to the earthwork, has practiced thrift a large amount of labours, has promoted the efficiency of construction of excavating the earthwork widely.Yet the scraper bowl of monobucket hydraulic excavator can only excavate and load the earthwork, and its working forms is single, in present building operations; Road construction, water conservancy construction and agricultural infrastructure not only need carry out excavation of earthwork, and they also need carry out the laying of pipeline in building; In construction, need the various pipelines of handling with pipe, the constructor mostly adopts manpower or adopts crane that pipeline is lifted in the trench digging of road, and excavator is seldom participated in this work; Even have suspension hook on the scraper bowl of some monobucket hydraulic excavator; Its lifting also needs during pipeline manpower earlier rope and pipeline to be fixed, and then the rope cover is hooked on the suspension hook of scraper bowl, working method inefficiency not only in this; The positioning action that also is unfavorable for the pipeline lifting; The most important thing is that this working method safety is relatively poor, fall, cause the constructor injured because the pipeline of some smooth surface is easy to from rope slippage.Therefore, be the safety of tube clamping and lifting operation in the assurance construction, and the lifting efficient that improves pipeline; Need the supporting grab pipe machine tool of excavator; It can replace scraper bowl when tube clamping and lifting operation, guarantees the safety of pipeline lifting work, increases work efficiency.
Summary of the invention
To the safety of clamping in the present construction with the lifting pipeline; Inefficiency; And existing monobucket hydraulic excavator can not be engaged in the tube clamping and lifting operation exists safety and technical problem; The object of the present invention is to provide a kind of can trouble free service, structure is firm, and is convenient to the supporting grab pipe machine tool of excavator of Fast Installation and dismounting.The present invention has considered safety and interchangeable importance; The grab pipe machine tool can firmly be clamped in pipeline in its gripper when the work of lifting pipeline; And can exchange with the scraper bowl of monobucket hydraulic excavator, have convenient installation in addition, characteristics simple to operate.The present invention embody in tube clamping and the lifting construction to the showing great attention to of job security, and to increasing work efficiency and saving the demand of activity duration target.
For realizing above-mentioned purpose, the technical scheme that the present invention takes is:
The supporting grab pipe machine tool of excavator comprises fore paw mechanism (1), rear solid end mechanism (2), front side pawl (3); Bearing support (4), rear side pawl (5), clamping piston (6), clamping cylinder (7); Also comprise revolution bearing pin (8), circle back-up ring (9), bearing pin fixture block (10) and the long bearing pin (11) that is connected; Said fore paw mechanism (1) is connected through revolution bearing pin (8) with rear solid end mechanism (2); Said clamping cylinder (7) and rear side pawl (5) pin joint; Said clamping piston (6) and revolution bearing pin (8) socket, and constitute oil cylinder piston with clamping cylinder (7) and be connected; Said fore paw mechanism (1) is connected with rocking bar with monobucket hydraulic excavator dipper through bearing pin.
Said fore paw mechanism (1) is by front side pawl (3), and bearing support (4) turns round bearing pin (8), and bearing pin fixture block (10) and the long bearing pin (11) that is connected constitute; Said bearing support (4) is two fully bearing supports (4a) and (4b) of symmetry; Their surface respectively offers six circular pin holes; Can they be inserted revolution bearing pin (8a), (8b) and two ends (8c) respectively through pin-and-hole, and through bearing pin fixture block (10) and bolt with bearing support (4a), (4b) with turn round bearing pin (8a), (8b) and (8c) affixed; The two ends of said revolution bearing pin (8) are the square toes shape; And the square toes middle part offers screw; Bearing pin card fast (10) is placed in the outside of revolution bearing pin (8) square toes; Hexagon-headed bolt passes the screw that screw and fast (10) end face of bearing pin card on revolution bearing pin (8) square toes are offered, will turn round bearing pin (8) and bearing pin card soon (10) fix.
Said long connect bearing pin (11) be two identical long connect bearing pins (11a) with (11b), their insert the pin-and-hole that bearing support (4a) and (4b) surface are offered, it is affixed to adopt welding manner will grow connection bearing pin (11a), (11b) and bearing support (4a), (4b); Said front side pawl (3) be two fully symmetry front side pawls (3a) with (3b), weld and fix with long bearing pin (11a) and the both sides end face (11b) of being connected respectively.
Said rear solid end mechanism (2) comprises rear side pawl (5), clamping piston (6), clamping cylinder (7); Said rear side pawl (5) be two fully symmetry rear side pawls (5a) with (5b) and the surface be provided with big or small two pin-and-holes; Rear side pawl (5a) and little pin-and-hole (5b) can be inserted in the bearing pin of clamping cylinder (7) two side ends setting, and can rotate around the bearing pin of clamping cylinder (7) two side ends; Rear side pawl (5a) and (5b) side of big pin-and-hole align with the both sides of circle back-up ring (9) respectively; The another side respectively with the bearing support (4a) of fore paw mechanism (1) and (4b) pin-and-hole offered of rear portion align; Revolution bearing pin (8d) passes from the pin-and-hole of rear side pawl (5a), (5b), bearing support (4a), (4b) and circle back-up ring (9) they is linked together, with bearing pin fixture block (10) be placed in revolution bearing pin (8d) the square toes outside and with and hexagon-headed bolt fix; Axle (8d) rotates but wraparound is shipped and resell on another market for said rear side pawl (5a), (5b).
Said clamping piston (6) is connected with clamping cylinder (7), and clamping piston (6) can be along clamping cylinder (7) axially does stretching motion; The pin-and-hole that clamping piston (6) one ends are offered is socketed on the outside of the revolution bearing pin (8c) of fore paw mechanism (1), but and the wraparound axle (8c) of shipping and reselling on another market rotate.
Said clamping piston (6) is with respect to clamping cylinder (7) when doing stretching motion, and rear solid end mechanism (2) rotates with respect to fore paw mechanism (1) the wraparound axle (8d) of shipping and reselling on another market; When clamping piston (6) is done stretching motion with respect to clamping cylinder (7); This moment, tube was clamped in fore paw mechanism (1) and the rear solid end mechanism (2); Do the shortening motion when clamping piston (6) with respect to clamping cylinder (7), this moment, tube was deviate from fore paw mechanism (1) and rear solid end mechanism (2).
Advantage of the present invention is:
1, the supporting grab pipe machine tool of excavator of the present invention has solved it as the outfitting tool of monobucket hydraulic excavator and can not realize tube clamping and lifting operation problem; Be to save operating cost and labour for unit in charge of construction and constructor, the inherent structure that needn't change excavator just can have been realized a tractor serves several purposes.
2, production and processing is convenient in fore paw mechanism of the present invention (1) and rear solid end mechanism (2), and manufacturing cost is lower, also helps regular maintenance, is convenient to promote use.
3, the present invention is when excavator carries out tube clamping and lifting operation, and it can replace power shovel, and installing/dismounting is simple, can save great amount of time.
4, structure of the present invention is firm, can improve the safety of tube clamping of monobucket hydraulic excavator and lifting operation greatly, and can promote the operating efficiency that excavator is engaged in the lifting pipeline operations.
Description of drawings
Fig. 1 is an overall structure sketch map of the present invention;
Fig. 2 is a vertical view of the present invention;
Fig. 3 is the present invention and power shovel dipper connection layout;
Fig. 4 is lifting pipeline operations figure of the present invention.
The corresponding title of each label is following in the accompanying drawing:
Fore paw mechanism---1, rear solid end mechanism---2, the front side pawl---3, bearing support---4, the rear side pawl---5, clamping piston---6, clamp oil---7, the revolution bearing pin---8, the circle back-up ring---9, the bearing pin fixture block---10, the long bearing pin that connects---11.
Further the structure and the embodiment of the supporting grab pipe machine tool of excavator of the present invention are elaborated below in conjunction with accompanying drawing.
Embodiment
As depicted in figs. 1 and 2, the supporting grab pipe machine tool of excavator comprises fore paw mechanism 1, rear solid end mechanism 2, and front side pawl 3, bearing support 4, rear side pawl 5, clamping piston 6, clamping cylinder 7 also comprises, revolution bearing pin 8, circle back-up ring 9, bearing pin fixture block 10 and the long bearing pin 11 that is connected; Said fore paw mechanism 1 is connected through revolution bearing pin 8 with rear solid end mechanism 2; Said clamping cylinder 7 and rear side pawl 5 pin joints; Said clamping piston 6 and 8 sockets of revolution bearing pin, and constitute oil cylinder pistons with clamping cylinder 7 and be connected; Said fore paw mechanism 1 is connected with rocking bar with monobucket hydraulic excavator dipper through bearing pin.
Said fore paw mechanism 1 is by front side pawl 3, bearing support 4, revolution bearing pin 8, bearing pin fixture block 10 and long bearing pin 11 formations that are connected; Said bearing support 4 is two the bearing support 4a and the 4b of symmetry fully; Respectively offer six circular pin holes on the surface of bearing support 4a and 4b; Pin-and-hole through offering can insert the two ends of turning round bearing pin 8a, 8b and 8c respectively with bearing support 4a and 4b, and through bearing pin fixture block 10 and hexagon-headed bolt that bearing support 4a, 4b and revolution bearing pin 8a, 8b and 8c is affixed.
The two ends of said revolution bearing pin 8 are the square toes shape; And the square toes middle part offers screw; Bearing pin card fast 10 is placed in the outside of revolution bearing pin 8 square toes, and hexagon-headed bolt passes the screw that screw and fast 10 end faces of bearing pin card on revolution bearing pin 8 square toes are offered, and will turn round bearing pin 8 and bearing pin card fast 10 is fixed.
The said long bearing pin 11 that connects is two identical long bearing pin 11a of connection and 11b, and they insert the pin-and-hole that bearing support 4a and 4b surface are offered, and adopts welding manner will grow connection bearing pin 11a, 11b and bearing support 4a, 4b is affixed; Said front side pawl 3 is two the front side pawl 3a and the 3b of symmetry fully, and the both sides end face welding that is connected bearing pin 11a and 11b respectively with length is fixing, and the long bearing pin 11 that connects plays support and the fixedly effect of front side pawl 3.
Said rear solid end mechanism 2 comprises rear side pawl 5, clamping piston 6, clamping cylinder 7; Said rear side pawl 5 is two fully the rear side pawl 5a and the 5b of symmetry, and the surface is provided with two pin-and-holes of size, and the little pin-and-hole of rear side pawl 5a and 5b can be inserted in the bearing pin that clamping cylinder 7 two side ends are provided with, and can be around the bearing pin rotation of clamping cylinder (7) two side ends; Align with the both sides of circle back-up ring 9 respectively in one side of rear side pawl 5a and the big pin-and-hole of 5b; Align with the pin-and-hole that the bearing support 4a and the 4b rear portion of fore paw mechanism 1 are offered respectively in the another side; Revolution bearing pin 8d passes from the pin-and-hole of rear side pawl 5a, 5b, bearing support 4a, 4b and circle back-up ring 9 they is linked together, with bearing pin fixture block 10 be placed in revolution bearing pin 8d the square toes outside and with and hexagon-headed bolt fix; Said rear side pawl 5a, a 5b 8d that can free wraparound ships and resell on another market rotates.
Said clamping piston 6 is connected with clamping cylinder 7, and clamping piston 6 can be along clamping cylinder 7 axially does stretching motion; The pin-and-hole that clamping piston 6 one ends are offered is socketed on the outside of the revolution bearing pin 8c of fore paw mechanism 1, but and ship and resell on another market a spool 8c of wraparound rotate.
When said clamping piston 6 was done stretching motion with respect to clamping cylinder 7, rear solid end mechanism 2 rotated with respect to ship and resell on another market a spool 8d of fore paw mechanism 1 wraparound; When clamping piston 6 is done stretching motion with respect to clamping cylinder 7; This moment, tube can be clamped in fore paw mechanism 1 and the rear solid end mechanism 2; Do the shortening motion when clamping piston 6 with respect to clamping cylinder 7, this moment, tube was deviate from fore paw mechanism 1 and rear solid end mechanism 2 under action of gravity.
Like Fig. 3 and shown in Figure 4; When needs carry out tube clamping and lifting operation; At first the scraper bowl with the monobucket hydraulic excavator unloads; Then the revolution bearing pin 8a of said fore paw mechanism 1 is inserted in the pin-and-hole of monobucket hydraulic excavator rocking bar and fix with bearing pin fixture block 10 and hexagon-headed bolt, the revolution bearing pin 8b of fore paw mechanism 1 inserts in the pin-and-hole of monobucket hydraulic excavator dipper and fixes with bearing pin fixture block 10 and hexagon-headed bolt; Two hydraulic oil pipes are connected with the hydraulic oil base of clamping cylinder 7.
When bucket cylinder was done stretching and contractile motion, a 8b rotated but 1 wraparound of fore paw mechanism is shipped and resell on another market, and the convenient tube that grasps can easily carry out tube clamping and lifting operation under the acting in conjunction of bucket cylinder and clamping cylinder 7.
The supporting grab pipe machine tool of excavator of the present invention also can be used as other mechanical outfitting tools, is used for the operation of clamping and lifting circle shape thing.
Claims (3)
1. the supporting grab pipe machine tool of excavator comprises fore paw mechanism (1), rear solid end mechanism (2), front side pawl (3); Bearing support (4), rear side pawl (5), clamping piston (6), clamping cylinder (7); Also comprise revolution bearing pin (8), circle back-up ring (9), bearing pin fixture block (10) and the long bearing pin (11) that is connected;
Said fore paw mechanism (1) is connected through revolution bearing pin (8) with rear solid end mechanism (2); Said clamping cylinder (7) and rear side pawl (5) pin joint;
Said clamping piston (6) and revolution bearing pin (8) socket, and constitute oil cylinder piston with clamping cylinder (7) and be connected;
Said fore paw mechanism (1) is connected with rocking bar with monobucket hydraulic excavator dipper through bearing pin.
2. the supporting grab pipe machine tool of excavator according to claim 1 is characterized in that: said fore paw mechanism (1) is by front side pawl (3), and bearing support (4) turns round bearing pin (8), and bearing pin fixture block (10) and the long bearing pin (11) that is connected constitute;
Said bearing support (4) is two fully bearing supports (4a) and (4b) of symmetry; Their surface respectively offers six circular pin holes; Can they be inserted revolution bearing pin (8a), (8b) and two ends (8c) respectively through pin-and-hole, and through bearing pin fixture block (10) and bolt with bearing support (4a), (4b) with turn round bearing pin (8a), (8b) and (8c) affixed;
The two ends of said revolution bearing pin (8) are the square toes shape; And the square toes middle part offers screw; Bearing pin card fast (10) is placed in the outside of revolution bearing pin (8) square toes; Hexagon-headed bolt passes the screw that screw and fast (10) end face of bearing pin card on revolution bearing pin (8) square toes are offered, will turn round bearing pin (8) and bearing pin card soon (10) fix;
Said long connect bearing pin (11) be two identical long connect bearing pins (11a) with (11b), their insert the pin-and-hole that bearing support (4a) and (4b) surface are offered, it is affixed to adopt welding manner will grow connection bearing pin (11a), (11b) and bearing support (4a), (4b);
Said front side pawl (3) be two fully symmetry front side pawls (3a) with (3b), weld and fix with long bearing pin (11a) and the both sides end face (11b) of being connected respectively.
3. the supporting grab pipe machine tool of excavator according to claim 1 is characterized in that: said rear solid end mechanism (2) comprises rear side pawl (5), clamping piston (6), clamping cylinder (7);
Said rear side pawl (5) be two fully symmetry rear side pawls (5a) with (5b) and the surface be provided with big or small two pin-and-holes; Rear side pawl (5a) and little pin-and-hole (5b) can be inserted in the bearing pin of clamping cylinder (7) two side ends setting, and can rotate around the bearing pin of clamping cylinder (7) two side ends; Rear side pawl (5a) and (5b) side of big pin-and-hole align with the both sides of circle back-up ring (9) respectively; The another side respectively with the bearing support (4a) of fore paw mechanism (1) and (4b) pin-and-hole offered of rear portion align; Revolution bearing pin (8d) passes from the pin-and-hole of rear side pawl (5a), (5b), bearing support (4a), (4b) and circle back-up ring (9) they is linked together, with bearing pin fixture block (10) be placed in revolution bearing pin (8d) the square toes outside and with and hexagon-headed bolt fix;
Axle (8d) rotates but wraparound is shipped and resell on another market for said rear side pawl (5a), (5b);
Said clamping piston (6) is connected with clamping cylinder (7), and clamping piston (6) can be along clamping cylinder (7) axially does stretching motion; The pin-and-hole that clamping piston (6) one ends are offered is socketed on the outside of the revolution bearing pin (8c) of fore paw mechanism (1), but and the wraparound axle (8c) of shipping and reselling on another market rotate;
Said clamping piston (6) is with respect to clamping cylinder (7) when doing stretching motion, and rear solid end mechanism (2) rotates with respect to fore paw mechanism (1) the wraparound axle (8d) of shipping and reselling on another market; When clamping piston (6) is done stretching motion with respect to clamping cylinder (7); This moment, tube was clamped in fore paw mechanism (1) and the rear solid end mechanism (2); Do the shortening motion when clamping piston (6) with respect to clamping cylinder (7), this moment, tube was deviate from fore paw mechanism (1) and rear solid end mechanism (2).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2011103853977A CN102425195A (en) | 2011-11-13 | 2011-11-13 | Pipe grabbing machine matched with excavator |
Applications Claiming Priority (1)
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CN2011103853977A CN102425195A (en) | 2011-11-13 | 2011-11-13 | Pipe grabbing machine matched with excavator |
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CN2011103853977A Pending CN102425195A (en) | 2011-11-13 | 2011-11-13 | Pipe grabbing machine matched with excavator |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102951552A (en) * | 2012-10-24 | 2013-03-06 | 桂林晟成机械有限公司 | Agricultural rotating grab bucket |
CN102995678A (en) * | 2012-09-28 | 2013-03-27 | 桂林晟成机械有限公司 | Crocodile grab bucket of gripping car |
CN105000469A (en) * | 2015-07-26 | 2015-10-28 | 安庆市港机制造有限责任公司 | Grabbing branched chain for grab bucket special for pipeline type objects |
CN113816246A (en) * | 2021-08-27 | 2021-12-21 | 徐州徐工挖掘机械有限公司 | Telescopic quick clamping lifting appliance for hydraulic excavator |
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US4248471A (en) * | 1979-09-17 | 1981-02-03 | Labounty Roy E | Backhoe grapple assembly |
US4818005A (en) * | 1987-07-02 | 1989-04-04 | Dudley Shearing Machine Mauf. Co. Limited | Grapple with powered top and bottom jaw |
JPH04140325A (en) * | 1990-10-01 | 1992-05-14 | Shin Caterpillar Mitsubishi Ltd | Holder |
JPH11182062A (en) * | 1997-12-25 | 1999-07-06 | Isamu Fujimori | Attachment movable arm of power shovel |
CN2558697Y (en) * | 2002-06-14 | 2003-07-02 | 王国彬 | Strong grab for excavator |
KR100528564B1 (en) * | 2005-08-08 | 2005-11-15 | 김성창 | Work clamps for excavator |
CN201660913U (en) * | 2010-04-23 | 2010-12-01 | 济南星火技术发展有限公司 | Material clamping fork of loader |
CN202509537U (en) * | 2011-11-13 | 2012-10-31 | 路敌 | Pipe grabber of excavator |
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2011
- 2011-11-13 CN CN2011103853977A patent/CN102425195A/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
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US4248471A (en) * | 1979-09-17 | 1981-02-03 | Labounty Roy E | Backhoe grapple assembly |
US4818005A (en) * | 1987-07-02 | 1989-04-04 | Dudley Shearing Machine Mauf. Co. Limited | Grapple with powered top and bottom jaw |
JPH04140325A (en) * | 1990-10-01 | 1992-05-14 | Shin Caterpillar Mitsubishi Ltd | Holder |
JPH11182062A (en) * | 1997-12-25 | 1999-07-06 | Isamu Fujimori | Attachment movable arm of power shovel |
CN2558697Y (en) * | 2002-06-14 | 2003-07-02 | 王国彬 | Strong grab for excavator |
KR100528564B1 (en) * | 2005-08-08 | 2005-11-15 | 김성창 | Work clamps for excavator |
CN201660913U (en) * | 2010-04-23 | 2010-12-01 | 济南星火技术发展有限公司 | Material clamping fork of loader |
CN202509537U (en) * | 2011-11-13 | 2012-10-31 | 路敌 | Pipe grabber of excavator |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102995678A (en) * | 2012-09-28 | 2013-03-27 | 桂林晟成机械有限公司 | Crocodile grab bucket of gripping car |
CN102951552A (en) * | 2012-10-24 | 2013-03-06 | 桂林晟成机械有限公司 | Agricultural rotating grab bucket |
CN105000469A (en) * | 2015-07-26 | 2015-10-28 | 安庆市港机制造有限责任公司 | Grabbing branched chain for grab bucket special for pipeline type objects |
CN113816246A (en) * | 2021-08-27 | 2021-12-21 | 徐州徐工挖掘机械有限公司 | Telescopic quick clamping lifting appliance for hydraulic excavator |
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Application publication date: 20120425 |