CN100410164C - Straight arm self-propelled high-altitude operating platform - Google Patents

Straight arm self-propelled high-altitude operating platform Download PDF

Info

Publication number
CN100410164C
CN100410164C CNB2005100411052A CN200510041105A CN100410164C CN 100410164 C CN100410164 C CN 100410164C CN B2005100411052 A CNB2005100411052 A CN B2005100411052A CN 200510041105 A CN200510041105 A CN 200510041105A CN 100410164 C CN100410164 C CN 100410164C
Authority
CN
China
Prior art keywords
arm
oil cylinder
joint arm
fixedly connected
pulley
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CNB2005100411052A
Other languages
Chinese (zh)
Other versions
CN1724335A (en
Inventor
刘徽山
杨昌桂
张展业
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huacheng Special Machinery Engineering Co Ltd Jiangyin City
Original Assignee
Huacheng Special Machinery Engineering Co Ltd Jiangyin City
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huacheng Special Machinery Engineering Co Ltd Jiangyin City filed Critical Huacheng Special Machinery Engineering Co Ltd Jiangyin City
Priority to CNB2005100411052A priority Critical patent/CN100410164C/en
Publication of CN1724335A publication Critical patent/CN1724335A/en
Application granted granted Critical
Publication of CN100410164C publication Critical patent/CN100410164C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Jib Cranes (AREA)
  • Forklifts And Lifting Vehicles (AREA)

Abstract

The present invention relates to a straight arm self-walking type aloft work platform which is widely suitable for the aloft work of building and repairing ships and installing buildings. The present invention comprises a back balance oil cylinder (2), a telescopic arm (3), a revolving platform (4), an amplitude-changing oil cylinder (5) and a walking chassis (11), wherein the revolving platform (4) is arranged on the walking chassis (11), the rear end of the telescopic arm (3) is hinged with the revolving platform (4), the back balance oil cylinder (2) is fixedly connected to the revolving platform (4), a piston rod of the back balance oil cylinder (2) is hinged with the rear end of the telescopic arm (3), the amplitude-changing oil cylinder (5) is fixedly connected to the revolving platform (4), and a piston rod of the amplitude-changing oil cylinder (5) is hinged with the rear part of the telescopic arm (3). The present invention is characterized in that the telescopic arm (3) has four sections, and the walking chassis (11) adopts an elevation and supporting-leg expansion structure. The present invention can achieve high height for aloft work, and the telescopic arm is not easily overturned.

Description

Straight arm self-propelled high-altitude operating platform
Technical field:
The present invention relates to a kind of high-altitude operation platform, be specifically related to a kind of straight arm self-propelled high-altitude operating platform.Be widely used in building the aloft work of ship, building and installation industry.Belong to the constructional engineering machinery technical field.
Background technology:
High-altitude operation platform build shipping agency industry, the port machine is made on industry and the construction trade and is most widely used, and frequency of utilization height, the replacement cycle is fast.Build the characteristics of ship cycle request strictness in addition, for enhancing productivity, the use of this product is more and more, and highly more and more higher, with regard to repairing one 200,000 tons bulge carrier and making two 50,000 tons ship, just need the high-altitude operation platform of about 20 21 meters, 25 meters, 28 meters height.As seen, along with building the manufacturing development of shipping agency industry port machine, manufacturing out the high-altitude operation platform that satisfies operating needs becomes inevitable.
Before the present invention made, conventional high-altitude operation platform generally was made up of chassis, turn table, telescopic boom, tracking apparatus, gooseneck boom, work bucket, last control box and oil cylinder etc.It mainly has the following disadvantages:
1, telescopic boom adopts three joint stretching structures, satisfy job platform travel or condition that the overall dimensions of travelling position require under, with regard to out of reach required operation height (29.7 meters) now.
2, the chassis does not have the planning function, on the one hand, and the required operating range of operation amplitude out of reach of job platform; On the other hand, the chassis floor area is little, and the telescopic boom capsizing moment that can bear is little, causes telescopic boom to topple easily.
Summary of the invention:
The objective of the invention is to overcome above-mentioned deficiency, provide a kind of operation height height, telescopic boom to be difficult for the straight arm self-propelled high-altitude operating platform that topples again.
The object of the present invention is achieved like this: a kind of straight arm self-propelled high-altitude operating platform, comprise the back balance oil cylinder, telescopic boom, turn table, amplitude oil cylinder and walking chassis, described turn table is arranged on the walking chassis, telescopic boom rear end and turn table are hinged, the back balance oil cylinder is fixedly connected on the turn table, its piston rod and telescopic boom rear end are hinged, amplitude oil cylinder is fixedly connected on the turn table, its piston rod and telescopic boom rear portion are hinged, it is characterized in that: described telescopic boom has four joints, and jacking and supporting leg expansion structure are adopted in described walking chassis.
Straight arm self-propelled high-altitude operating platform of the present invention, described four joint telescopic booms comprise: the first segment arm, the second joint arm, the 3rd joint arm, the 4th joint arm, stretch pulley, telescopic oil cylinder, extension cord, shrink pulley and retraction cord, stretch pulley and extension cord and form two cover traction extender systems, shrink pulley and retraction cord and form two cover traction pinch systems, described first segment arm, the second joint arm, the 3rd joint arm, the 4th joint arm head and the tail socket, the piston rod of telescopic oil cylinder is fixedly connected on first segment arm end, cylinder barrel is fixedly connected on the end of the second joint arm, stretch the head end that pulley is connected to the second joint arm and the 3rd joint arm, extension cord one end is connected to the end of the first segment arm and the second joint arm, the other end is walked around and is stretched the end that pulley is fixedly connected on the 3rd joint arm and the 4th joint arm, shrink the end that pulley is connected to the second joint arm and the 3rd joint arm, retraction cord one end is connected to the end of the 3rd joint arm and the 4th joint arm, and the other end is walked around and shunk the head end that pulley is fixedly connected on the first segment arm and the second joint arm.
Straight arm self-propelled high-altitude operating platform of the present invention, described walking chassis comprises vehicle frame, tire, the right supporting leg in back, inhibiting device, back left branch leg, jacking cylinder, horizontal telescopic oil cylinder, preceding left branch leg and preceding right supporting leg, described jacking cylinder has two, be fixedly connected on bottom of frame, right supporting leg in described back and back left branch leg head and the tail socket, and be connected in the vehicle frame rear side, constitute the back retractile bridge of vehicle frame; Left branch leg and the socket of preceding right supporting leg head and the tail before described, and be connected in the vehicle frame front side, constitute the front stretching bridge of vehicle frame, described horizontal telescopic oil cylinder has two, place respectively in the front stretching bridge and back retractile bridge of vehicle frame, its cylinder barrel links to each other with the supporting leg of forward and backward retractile bridge one end, and piston rod links to each other with the supporting leg of the forward and backward retractile bridge other end, described tire is connected in the two ends of forward and backward retractile bridge, and described inhibiting device is connected in forward and backward retractile bridge one side.
The present invention is power with the diesel engine, via the walking of gear type pump, electro-hydraulic proportional valve control complete machine, turn to, telescopic boom is flexible, luffing and turn table revolution action.
Compare with existing high-altitude operation platform, the present invention has following advantage:
1, telescopic boom adopts four joint stretching structures, satisfy job platform travel or condition that the overall dimensions of travelling position require under, operation height is higher, can reach required operation height (29.7 meters) now.And the flexible synchronization telescope of four joints can alleviate the quality of working arm greatly, makes telescopic boom be not easy to topple.
2, the walking chassis has jacking and supporting leg the planning function, on the one hand, can make the operation amplitude reach certain operating range; On the other hand, the chassis floor area is big, and the telescopic boom capsizing moment that can bear is big, and the capsizing moment of job platform can be regulated, and makes telescopic boom be not easy to topple.Make it to satisfy the operating needs of job platform.
3, the chassis is adopted limit switch to be used to be controlled at not have and is made it telescopic boom under the situation of leg expansion and can't stretch.
This product has taken into full account the abominable and the operation continuity of environment, and particularly the dust in building the ship operation is big, temperature is high, a lot of abominable operating environment of hard particles number in the high humidity, air, the reliability and the safety that have improved this machine greatly.
This product has been expanded self-propelled aerial working flat-bed field of application, and simple to operate, easy to use.Can be widely used in building industries such as ship, building and installation.
Description of drawings:
Fig. 1 is a front appearance scheme drawing of the present invention.
Fig. 2 is the birds-eye view of Fig. 1.
Fig. 3 is the lateral plan of Fig. 1.
Fig. 4 telescopic boom vertical section structure of the present invention scheme drawing.
Fig. 5 is a walking of the present invention chassis front schematic view.
Fig. 6 is the lateral plan of Fig. 5.
Fig. 7 is the birds-eye view of Fig. 5.
Fig. 8 is the A-A cut-away view of Fig. 7.
Fig. 9 is the B-B cut-away view of Fig. 7.
Figure 10 is the C-C cut-away view of Fig. 7.
The specific embodiment:
Referring to Fig. 1~3, the present invention is a kind of straight arm self-propelled high-altitude operating platform.Mainly form by counterweight 1, back balance oil cylinder 2, telescopic boom 3, turn table 4, amplitude oil cylinder 5, towing chain mechanism 6, gooseneck boom 7, L type support 8, last control box 9, work bucket 10 and walking chassis 11 etc.
Described turn table 4 is arranged on the walking chassis 11, can 360 degree any direction revolutions.
Described telescopic boom 3 rear ends and turn table 4 are hinged, and front end is hinged by forward horizontal stand oil cylinder and gooseneck boom 7.L type support 8 is connected on the gooseneck boom 7, and work bucket 10 places on the L type support 8.Last control box 9 is arranged at L type support 8 one sides.Towing chain mechanism 6 places on the telescopic boom 3 again.
Described back balance oil cylinder 2 is fixedly connected on the turn table 4, and its piston rod and telescopic boom 3 rear ends are hinged.Amplitude oil cylinder 5 is fixedly connected on the turn table 4, and its piston rod and telescopic boom 3 rear portions are hinged.Counterweight 1 is installed on turn table 4 rear sides.
Referring to Fig. 4, described telescopic boom 3 mainly is made up of balancing cylinder 3.1, stretching, extension pulley 3.2,3.3, telescopic oil cylinder 3.4, first segment arm 3.5, the second joint arm 3.6, the 3rd joint arm 3.7, the 4th joint arm 3.8, extension cord 3.9,3.10, contraction pulley 3.12,3.14 and retraction cord 3.11,3.13.Stretch pulley 3.2,3.3 and extension cord 3.9,3.10 and form two cover traction extender systems.Shrink pulley 3.12,3.14 and retraction cord 3.11,3.13 and form two cover traction pinch systems.
Described first segment arm 3.5, the second joint arm 3.6, the 3rd joint arm 3.7, the 3.8 head and the tail sockets of the 4th joint arm.Balancing cylinder 3.1 is fixedly connected on the head end of the 4th joint arm 3.8, and is hinged with gooseneck boom 7.The piston rod of telescopic oil cylinder 3.4 is fixedly connected on first segment arm 3.5 ends, and cylinder barrel is fixedly connected on the end of the second joint arm 3.6.Stretch the head end that pulley 3.2,3.3 is connected to the second joint arm 3.6 and the 3rd joint arm 3.7, extension cord 3.9,3.10 one ends are connected to the end of the first segment arm 3.5 and the second joint arm 3.6, and the other end is walked around and stretched the end that pulley 3.2,3.3 is fixedly connected on the 3rd joint arm 3.7 and the 4th joint arm 3.8.Shrink the end that pulley 3.12,3.14 is connected to the second joint arm 3.6 and the 3rd joint arm 3.7, retraction cord 3.11,3.13 one ends are connected to the end of the 3rd joint arm 3.7 and the 4th joint arm 3.8, and the other end is walked around and shunk the head end that pulley 3.12,3.14 is fixedly connected on the first segment arm 3.5 and the second joint arm 3.6.The synchronization telescope of the four joint arms that the same telescopic oil cylinder of gooseneck boom 7 such employings just can be realized.
Referring to Fig. 5~10, described walking chassis 11 mainly is made up of vehicle frame 11.1, tire 11.2, the right supporting leg 11.3 in back, inhibiting device 11.4, back left branch leg 11.5, jacking cylinder 11.6, horizontal telescopic oil cylinder 11.7, preceding left branch leg 11.8 and preceding right supporting leg 11.9.Described jacking cylinder 11.6 has two, is fixedly connected on vehicle frame 11.1 bottoms.Right supporting leg 11.3 in described back and the 11.5 head and the tail sockets of back left branch leg, and be connected in vehicle frame 11.1 rear sides, constitute the back retractile bridge of vehicle frame.Left branch leg 11.8 and preceding right supporting leg 11.9 head and the tail sockets before described, and be connected in vehicle frame 11.1 front sides, constitute the front stretching bridge of vehicle frame.Horizontal telescopic oil cylinder 11.7 has two, places respectively in the front stretching bridge and back retractile bridge of vehicle frame, and its cylinder barrel links to each other with the supporting leg of forward and backward retractile bridge one end, and piston rod links to each other with the supporting leg of the forward and backward retractile bridge other end.Tire 11.2 is connected in the two ends of forward and backward retractile bridge.Described inhibiting device 11.4 is connected in forward and backward retractile bridge one side.

Claims (2)

1. straight arm self-propelled high-altitude operating platform, comprise back balance oil cylinder (2), telescopic boom (3), turn table (4), amplitude oil cylinder (5) and walking chassis (11), described turn table (4) is arranged on the walking chassis (11), telescopic boom (3) rear end and turn table (4) are hinged, back balance oil cylinder (2) is fixedly connected on the turn table (4), its piston rod and telescopic boom (3) rear end is hinged, amplitude oil cylinder (5) is fixedly connected on the turn table (4), its piston rod and telescopic boom (3) rear portion is hinged, it is characterized in that: described telescopic boom (3) has four joints, jacking and supporting leg expansion structure are adopted in described walking chassis (11), described four joint telescopic booms (3) comprising: first segment arm (3.5), the second joint arm (3.6), the 3rd joint arm (3.7), the 4th joint arm (3.8), stretch pulley (3.2,3.3), telescopic oil cylinder (3.4), extension cord (3.9,3.10), shrink pulley (3.12,3.14) and retraction cord (3.11,3.13), stretch pulley (3.2,3.3) and extension cord (3.9,3.10) composition two cover traction extender systems, shrink pulley (3.12,3.14) and retraction cord (3.11,3.13) composition two cover traction pinch systems, described first segment arm (3.5), the second joint arm (3.6), the 3rd joint arm (3.7), the 4th joint arm (3.8) head and the tail socket, the piston rod of telescopic oil cylinder (3.4) is fixedly connected on first segment arm (3.5) end, cylinder barrel is fixedly connected on the end of the second joint arm (3.6), stretch pulley (3.2,3.3) be connected to the head end that the second joint arm (3.6) and the 3rd saves arm (3.7), extension cord (3.9,3.10) end be connected to first segment arm (3.5) and second the joint arm (3.6) end, the other end is walked around and is stretched pulley (3.2,3.3) be fixedly connected on the end that the 3rd joint arm (3.7) and the 4th saves arm (3.8), shrink pulley (3.12,3.14) be connected to the end that the second joint arm (3.6) and the 3rd saves arm (3.7), retraction cord (3.11,3.13) end is connected to the end of the 3rd joint arm (3.7) and the 4th joint arm (3.8), the other end is walked around and is shunk pulley (3.12,3.14) be fixedly connected on first segment arm (3.5) with second the joint arm (3.6) head end.
2. a kind of straight arm self-propelled high-altitude operating platform according to claim 1, it is characterized in that described walking chassis (11) comprises vehicle frame (11.1), tire (11.2), back right supporting leg (11.3), inhibiting device (11.4), back left branch leg (11.5), jacking cylinder (11.6), horizontal telescopic oil cylinder (11.7), preceding left branch leg (11.8) and preceding right supporting leg (11.9), described jacking cylinder (11.6) has two, be fixedly connected on vehicle frame (11.1) bottom, described right supporting leg in back (11.3) and the socket of back left branch leg (11.5) head and the tail, and be connected in vehicle frame (11.1) rear side, constitute the back retractile bridge of vehicle frame; Left branch leg (11.8) and the socket of preceding right supporting leg (11.9) head and the tail before described, and be connected in vehicle frame (11.1) front side, constitute the front stretching bridge of vehicle frame, described horizontal telescopic oil cylinder (11.7) has two, place respectively in the front stretching bridge and back retractile bridge of vehicle frame, its cylinder barrel links to each other with the supporting leg of forward and backward retractile bridge one end, piston rod links to each other with the supporting leg of the forward and backward retractile bridge other end, described tire (11.2) is connected in the two ends of forward and backward retractile bridge, and described inhibiting device (11.4) is connected in forward and backward retractile bridge one side.
CNB2005100411052A 2005-07-19 2005-07-19 Straight arm self-propelled high-altitude operating platform Expired - Fee Related CN100410164C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB2005100411052A CN100410164C (en) 2005-07-19 2005-07-19 Straight arm self-propelled high-altitude operating platform

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB2005100411052A CN100410164C (en) 2005-07-19 2005-07-19 Straight arm self-propelled high-altitude operating platform

Publications (2)

Publication Number Publication Date
CN1724335A CN1724335A (en) 2006-01-25
CN100410164C true CN100410164C (en) 2008-08-13

Family

ID=35923992

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2005100411052A Expired - Fee Related CN100410164C (en) 2005-07-19 2005-07-19 Straight arm self-propelled high-altitude operating platform

Country Status (1)

Country Link
CN (1) CN100410164C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI460116B (en) * 2011-04-14 2014-11-11 Chi Jun Co Ltd Motor-driven lifting device

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101947783B (en) * 2010-05-28 2013-03-06 徐州海伦哲专用车辆股份有限公司 Multifunctional aloft-work mechanical arm
CN103072926B (en) * 2012-12-07 2015-04-08 中汽商用汽车有限公司(杭州) High-altitude maintenance platform for mining tunnel
CN103072924A (en) * 2012-12-19 2013-05-01 江苏安德信超导加速器科技有限公司 Removing and relieving robot for high-rise building
CN104555839B (en) * 2014-12-26 2018-03-16 中联重科股份有限公司 Overhead working truck
ITUB20155900A1 (en) * 2015-11-25 2017-05-25 Magni Telescopic Handlers S R L SELF PROPELLED AERIAL PLATFORM
CN106185700A (en) * 2016-08-30 2016-12-07 国网山东省电力公司龙口市供电公司 A kind of power construction aerial work platform
CN106768239B (en) * 2017-03-24 2023-03-03 诺力智能装备股份有限公司 Pressure weighing structure of straight-arm overhead truck
CN107161918B (en) * 2017-05-04 2018-12-25 合肥亚美科技股份有限公司 A kind of scalable job platform for hoistable platform
CN107127783A (en) * 2017-06-12 2017-09-05 沈阳吉地安风电科技有限公司 Fan blade hollow inspection platform Intelligent telescopic arm assembly
CN107758577A (en) * 2017-11-17 2018-03-06 安徽骏达起重机械有限公司 Heavy and high lift device
CN108892088A (en) * 2018-08-22 2018-11-27 邹锋高 A kind of workbench can be with the mast type car for work high above ground of transverse shifting
CN109394063A (en) * 2019-01-04 2019-03-01 江苏博宇建筑工程设备科技有限公司 Hydraulic flexion-extension telescopic arm window cleaning equipment
CN109807854B (en) * 2019-03-22 2023-09-05 万邦船舶重工(舟山)有限公司 Special intelligent robot for repairing and manufacturing dock blocks of ship
CN110422787A (en) * 2019-09-05 2019-11-08 威海永硕进出口有限公司 A kind of multistage linking self-propelled high-altitude cargo hoistable platform and method
CN110683491B (en) * 2019-10-11 2020-10-27 江苏徐工工程机械研究院有限公司 Arm type aerial work platform safety function control method and control system
CN111960342A (en) * 2020-08-18 2020-11-20 泉州市东艾机械制造有限公司 Aerial working platform with adjustable angle
CN112429678A (en) * 2020-12-07 2021-03-02 江苏东迈重工机械有限公司 Self-walking overhead working protection robot

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2241728Y (en) * 1995-12-25 1996-12-04 郑坤禄 Folding high-altitude operation platform
CN2364011Y (en) * 1999-04-12 2000-02-16 刘徽山 Multistage telescopic arm
CN2663392Y (en) * 2003-11-11 2004-12-15 江苏省机电研究所有限公司 Balancing arrangement of high-lift operation vehicle
CN2818653Y (en) * 2005-07-19 2006-09-20 江阴市华澄特种机械工程有限公司 Integrated adhered liftable scaffold on inclined or arc plane

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2241728Y (en) * 1995-12-25 1996-12-04 郑坤禄 Folding high-altitude operation platform
CN2364011Y (en) * 1999-04-12 2000-02-16 刘徽山 Multistage telescopic arm
CN2663392Y (en) * 2003-11-11 2004-12-15 江苏省机电研究所有限公司 Balancing arrangement of high-lift operation vehicle
CN2818653Y (en) * 2005-07-19 2006-09-20 江阴市华澄特种机械工程有限公司 Integrated adhered liftable scaffold on inclined or arc plane

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
. 张质文,虞和谦,王金诺,包起帆.起重机设计手册. 2001
. 张质文,虞和谦,王金诺,包起帆.起重机设计手册. 2001 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI460116B (en) * 2011-04-14 2014-11-11 Chi Jun Co Ltd Motor-driven lifting device

Also Published As

Publication number Publication date
CN1724335A (en) 2006-01-25

Similar Documents

Publication Publication Date Title
CN100410164C (en) Straight arm self-propelled high-altitude operating platform
CN2818653Y (en) Integrated adhered liftable scaffold on inclined or arc plane
CN202369282U (en) Movable crane
CN104591052B (en) Oil electric mixed dynamic walking aerial work platform
CN104773671A (en) Foldable radar antenna lifting mechanism based on space link multi-oil-cylinder coordinated drive
CN206033153U (en) Mix arm high altitude construction car
CN204897339U (en) Flexible arm of interior concealed stringing
KR101329119B1 (en) High place operation device and high place operation car
CN102019911A (en) Crawler-type engineering machinery and crawler-type landing leg device
CN201704039U (en) Self-propelled overhead working platform
CN204714403U (en) A kind of extension mast and configure the engineering machinery vehicle of this mast
CN201882879U (en) Engineering vehicle for high-altitude operation and boom support device of same
CN101691195A (en) Rotary telescopic boom forklift
CN102424329A (en) Crane and sub arm installing device thereof
CN110329965B (en) Insulating overhead working truck of low pressure distribution network
CN203213614U (en) Material distribution car
CN102583174A (en) Crane boom
CN210559003U (en) Miniature self-walking crawler crane
CN202248920U (en) Arm support of concrete pump truck and concrete pump truck
CN105060121B (en) Control cabinl pulpit displacing system and engineering machinery
CN200967729Y (en) Machine workbench locomotive extension mechanism
CN206955596U (en) A kind of crawler type folding arm aerial work platform
CN202806924U (en) Hoisting equipment
CN203188632U (en) Arm support structure of concrete pump truck
CN214653419U (en) Crank arm type double-platform folding telescopic insulating arm capable of moving at multiple angles

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20080813

Termination date: 20150719

EXPY Termination of patent right or utility model