CN100516238C - Bidirectional swinging distributing device - Google Patents

Bidirectional swinging distributing device Download PDF

Info

Publication number
CN100516238C
CN100516238C CNB2007101690057A CN200710169005A CN100516238C CN 100516238 C CN100516238 C CN 100516238C CN B2007101690057 A CNB2007101690057 A CN B2007101690057A CN 200710169005 A CN200710169005 A CN 200710169005A CN 100516238 C CN100516238 C CN 100516238C
Authority
CN
China
Prior art keywords
backing ring
gudgeon
hole
rotating bearing
interior
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
CNB2007101690057A
Other languages
Chinese (zh)
Other versions
CN101210272A (en
Inventor
盛正平
范小钢
张良
胡雪萍
周强
刘逸士
唐恩
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.)
Wisdri Engineering and Research Incorporation Ltd
Original Assignee
Wisdri Engineering and Research Incorporation Ltd
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 Wisdri Engineering and Research Incorporation Ltd filed Critical Wisdri Engineering and Research Incorporation Ltd
Priority to CNB2007101690057A priority Critical patent/CN100516238C/en
Publication of CN101210272A publication Critical patent/CN101210272A/en
Application granted granted Critical
Publication of CN100516238C publication Critical patent/CN100516238C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Transmission Devices (AREA)

Abstract

The invention relates to a distributor, more particularly a double-swing distributor, which is characterized in that the distributor comprises a first gear-rack hydraulic cylinder (1), an outer retaining ring (2), an upper rotary support (3), an inner retaining ring (4), a distributor housing (6), a second gear-rack hydraulic cylinder (8), a lower rotary support (9), a tapered distribution hose pipe (11), a driving bevel gear (12), a transmission shaft (13), a first driven bevel gear (16) and a second bevel gear (18), wherein, a first lug hole and a second lug hole of the outer retaining ring are arranged on the distributor housing (6) along the X-X axis; a first lug hole and a second lug hole of the inner retaining ring are arranged on the outer retaining ring (2) along the Y-Y axis; a transmission shaft via-hole is provided in a second lug (14) of the outer retaining ring; and a first lug (15) and a second lug (17) of the inner retaining hole are arranged on the outer side of the inner retaining ring (4) along the Y-Y axis. The invention has the advantages of simple structure, convenient examination and maintenance and long service life, and can achieve various distribution trajectories.

Description

Bidirectional swinging distributing device
Technical field
The present invention relates to a kind of distributor, be applied to the roof material distributing of blast furnace (or melting and reducing, directly reduction).
Background technology
The traditional bellless distributor of blast furnace is the cloth track that adopts planetary train to finish demand by the rotation and the swing of chute, this distributor has the advantage that cloth is flexible, precision is high, the life-span is long, but its structure is very complicated, need water-cooled and long-term nitrogen blowing sealing, its manufacturing and maintenance cost are all very high.
Summary of the invention
The object of the present invention is to provide a kind of bidirectional swinging distributing device simple in structure.
For achieving the above object, the present invention has adopted following technical scheme: bidirectional swinging distributing device, it is characterized in that it comprise the first rack-and-pinion hydro-cylinder, outer backing ring, top rotating bearing, interior backing ring, distributor housing, the second rack-and-pinion hydro-cylinder, bottom rotating bearing, cone-shaped cloth elephant trunk, drive bevel gear, transmission shaft, first by dynamic bevel gear, second by dynamic bevel gear; Distributor housing upper edge X-X axis is provided with the outer backing ring first gudgeon hole, the outer backing ring second gudgeon hole, the outer backing ring outside backing ring first gudgeon, outer backing ring second gudgeon outside the X-X axis is provided with, outer backing ring upper edge Y-Y axis is provided with the interior backing ring first gudgeon hole, the interior backing ring second gudgeon hole, be provided with the transmission shaft through hole in outer backing ring second gudgeon, the transmission shaft through hole communicates with the endoporus of outer backing ring, backing ring first gudgeon, interior backing ring second gudgeon in the interior backing ring outside is provided with along the Y-Y axis;
The upper end of cone-shaped cloth elephant trunk is a big opening end, and the endoporus of backing ring, the swing cloth hole of distributor housing bottom were positioned at the below of distributor housing in the lower end of cone-shaped cloth elephant trunk was passed, and fixedlys connected with interior backing ring in the upper end of cone-shaped cloth elephant trunk; The upper end of cone-shaped cloth elephant trunk be positioned at the center trunnion discharge port under, the upper end bore of cone-shaped cloth elephant trunk is greater than the bore of the discharge port of center trunnion;
Interior backing ring is positioned at the endoporus of outer backing ring, interior backing ring first gudgeon on the interior backing ring penetrates in the interior backing ring first gudgeon hole on the outer backing ring, interior backing ring first gudgeon is linked to each other with outer backing ring by bearing, interior backing ring second gudgeon on the interior backing ring penetrates in the interior backing ring second gudgeon hole on the outer backing ring, and interior backing ring second gudgeon is linked to each other with outer backing ring by bearing; Fixedly connected with the permanent seat of top rotating bearing, bottom rotating bearing respectively in the inboard of outer backing ring, the top rotating bearing is positioned at the top of the backing ring first gudgeon hole, the backing ring second gudgeon hole, transmission shaft through hole, the bottom rotating bearing is positioned at the below of the backing ring first gudgeon hole, the backing ring second gudgeon hole, transmission shaft through hole, and top rotating bearing, bottom rotating bearing interior backing ring and outside between the backing ring; Be respectively equipped with the awl tooth on the rotatable parts inner cone gear ring of top rotating bearing, bottom rotating bearing, interior backing ring first gudgeon is provided with first by dynamic bevel gear, interior backing ring second gudgeon is provided with second by dynamic bevel gear, first is meshed by the awl tooth on the rotatable parts inner cone gear ring of the awl tooth on the dynamic bevel gear and top rotating bearing, bottom rotating bearing, and second is meshed by the awl tooth on the rotatable parts inner cone gear ring of the awl tooth on the dynamic bevel gear and top rotating bearing, bottom rotating bearing;
Outer backing ring is positioned at the distributor housing, outer backing ring first gudgeon on the outer backing ring, outer backing ring second gudgeon are corresponding respectively to pass the outer backing ring first gudgeon hole on the distributor housing, the outer backing ring second gudgeon hole, and outer backing ring first gudgeon, outer backing ring second gudgeon are linked to each other with the distributor housing by bearing respectively; The second rack-and-pinion hydro-cylinder is fixedlyed connected with the distributor housing, and the gear shaft of the second rack-and-pinion hydro-cylinder links to each other with outer backing ring first gudgeon; Transmission shaft passes the transmission shaft through hole on outer backing ring second gudgeon, transmission shaft is linked to each other with outer backing ring by bearing, one end of transmission shaft is provided with drive bevel gear, awl tooth on the rotatable parts inner cone gear ring of the awl tooth on the drive bevel gear and top rotating bearing, bottom rotating bearing is meshed, the other end of transmission shaft links to each other with the gear shaft of the first rack-and-pinion hydro-cylinder, and the first rack-and-pinion hydro-cylinder is fixedlyed connected with outer backing ring second gudgeon.
The invention has the beneficial effects as follows:
1, by the routing motion of the first rack-and-pinion hydro-cylinder, the second rack-and-pinion hydro-cylinder, can realize multiple cloth track;
2, bidirectional swinging distributing device is compared with traditional sun and planet gear distributor, and it does not have complicated train of wheels Gear Planet Transmission, has simple in structure, repair and maintenance advantage easily;
3, the cone-shaped cloth elephant trunk is compared with opening shape chute, and it is big that it has rigidity, not yielding, and the cone-shaped cloth elephant trunk is the even guide of circumferential direction, and washing away of materials flow is also little than traditional chute, and its friction durability and punishment in advance ability have improved greatly.
The present invention is applied to the roof material distributing of blast furnace (or melting and reducing, directly reduction).
Description of drawings
Fig. 1 is structural representation of the present invention (main looking);
Fig. 2 is the vertical view (office is cutd open) of Fig. 1;
Fig. 3 is the sectional view of Fig. 1 along the A-A line;
Fig. 4 is the left view of Fig. 1;
Number in the figure: the 1-first rack-and-pinion hydro-cylinder (or claiming the first rack-and-pinion oscillating motor), the outer backing ring of 2-, 3-top rotating bearing, backing ring in the 4-, 5-center trunnion, 6-distributor housing, outer backing ring first gudgeon of 7-, the 8-second rack-and-pinion hydro-cylinder (or claiming the second rack-and-pinion oscillating motor), 9-bottom rotating bearing, 10-swing cloth hole, 11-cone-shaped cloth elephant trunk, the 12-drive bevel gear, 13-transmission shaft, outer backing ring second gudgeon of 14-, backing ring first gudgeon in the 15-, 16-first is by dynamic bevel gear, backing ring second gudgeon in the 17-, and 18-second is by dynamic bevel gear.
Embodiment
As Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, bidirectional swinging distributing device, it comprise the first rack-and-pinion hydro-cylinder 1, outer backing ring 2, top rotating bearing 3, interior backing ring 4, distributor housing 6, the second rack-and-pinion hydro-cylinder 8, bottom rotating bearing 9, cone-shaped cloth elephant trunk 11, drive bevel gear 12, transmission shaft 13, first by dynamic bevel gear 16, second by dynamic bevel gear 18; Distributor housing 6 upper edge X-X axis are provided with the outer backing ring first gudgeon hole, the outer backing ring second gudgeon hole, outer backing ring 2 outsides are backing ring first gudgeon 7, outer backing ring second gudgeon 14 outside the X-X axis is provided with, outer backing ring 2 upper edge Y-Y axis are provided with the interior backing ring first gudgeon hole, the interior backing ring second gudgeon hole, be provided with the transmission shaft through hole in outer backing ring second gudgeon 14, the transmission shaft through hole communicates with the endoporus of outer backing ring, backing ring first gudgeon 15, interior backing ring second gudgeon 17 in interior backing ring 4 outsides are provided with along the Y-Y axis;
The upper end of cone-shaped cloth elephant trunk 11 is a big opening end, the endoporus of backing ring 4, the swing cloth hole 10 of distributor housing 6 bottoms were positioned at the below of distributor housing 6 in the lower end of cone-shaped cloth elephant trunk 11 was passed, (cone-shaped cloth elephant trunk 11 is with 4 swings of interior backing ring, and the cone-shaped cloth elephant trunk is designed to up big and down small pyramidal structure) are fixedlyed connected in the upper end of cone-shaped cloth elephant trunk 11 with interior backing ring 4; The upper end of cone-shaped cloth elephant trunk 11 be positioned at center trunnion 5 discharge port under, the upper end bore of cone-shaped cloth elephant trunk 11 is greater than the bore of the discharge port of center trunnion 5 (during 11 swings of cone-shaped cloth elephant trunk, can fall into cone-shaped cloth elephant trunk 11 through the material of center trunnion 5);
Interior backing ring 4 is positioned at the endoporus of outer backing ring 2, interior backing ring first gudgeon 15 on the interior backing ring 4 penetrates in the interior backing ring first gudgeon hole on the outer backing ring 2, interior backing ring first gudgeon 15 is linked to each other with outer backing ring 2 by bearing, interior backing ring second gudgeon 17 on the interior backing ring 4 penetrates in the interior backing ring second gudgeon hole on the outer backing ring 2, and interior backing ring second gudgeon 17 is by bearing link to each other with outer backing ring 2 (promptly backing ring 4 can around the swing of Y-Y axle); Fixedly connected with the permanent seat of top rotating bearing 3, bottom rotating bearing 9 respectively in the inboard of outer backing ring 2, top rotating bearing 3 is positioned at the top of the backing ring first gudgeon hole, the backing ring second gudgeon hole, transmission shaft through hole, bottom rotating bearing 9 is positioned at the below of the backing ring first gudgeon hole, the backing ring second gudgeon hole, transmission shaft through hole, and top rotating bearing 3, bottom rotating bearing 9 interior backing ring 4 and outside between the backing ring 2; Top rotating bearing 3, be respectively equipped with the awl tooth on the rotatable parts inner cone gear ring (parts that can rotate freely) of bottom rotating bearing 9, interior backing ring first gudgeon 15 is provided with first by dynamic bevel gear 16, interior backing ring second gudgeon 17 is provided with second by dynamic bevel gear 18, first by awl tooth on the dynamic bevel gear 16 and top rotating bearing 3, awl tooth on the rotatable parts inner cone gear ring of bottom rotating bearing 9 is meshed, second by awl tooth on the dynamic bevel gear 18 and top rotating bearing 3, awl tooth on the rotatable parts inner cone gear ring of bottom rotating bearing 9 (the top rotating bearing 3 that is meshed, the rotatable parts inner cone gear ring rotation of bottom rotating bearing 9, drive first by dynamic bevel gear 16, second is rotated by dynamic bevel gear 18, and backing ring 4 can be swung around the Y-Y axle in making; X-X axle and Y-Y axle are positioned on the same horizontal plane);
Outer backing ring 2 is positioned at distributor housing 6, the corresponding respectively outer backing ring first gudgeon hole on the distributor housing 6, the outer backing ring second gudgeon hole passed of outer backing ring first gudgeon 7 on the outer backing ring 2, outer backing ring second gudgeon 14, outer backing ring first gudgeon 7, outer backing ring second gudgeon 14 are linked to each other with distributor housing 6 by bearing respectively, and (outer backing ring 2 can be swung around the X-X axle, backing ring 4 is around the swing of X-X axle in driving, and cone-shaped cloth elephant trunk 11 can be done bidirectional swinging around X-X axle and Y-Y axle simultaneously); The second rack-and-pinion hydro-cylinder 8 is fixedlyed connected with distributor housing 6, the gear shaft of the second rack-and-pinion hydro-cylinder (output terminal) link to each other with outer backing ring first gudgeon 7 (rotation of the gear shaft of the second rack-and-pinion hydro-cylinder 8 drives 7 rotations of outer backing ring first gudgeon, swings around the X-X axle thereby drive outer backing ring 2); Transmission shaft 13 passes the transmission shaft through hole on outer backing ring second gudgeon 14, transmission shaft 13 is linked to each other with outer backing ring 2 by bearing, one end of transmission shaft 13 is provided with drive bevel gear 12, awl tooth on the drive bevel gear 12 and top rotating bearing 3, awl tooth on the rotatable parts inner cone gear ring of bottom rotating bearing 9 is meshed, the other end of transmission shaft 13 links to each other with the gear shaft (output terminal) of the first rack-and-pinion hydro-cylinder 1, the first rack-and-pinion hydro-cylinder 1 fixedlys connected with outer backing ring second gudgeon 14 that (rotation of the gear shaft of the first rack-and-pinion hydro-cylinder 1 drives transmission shaft 13 rotations, drive bevel gear 12 rotations drive top rotating bearing 3, the rotation of the rotatable parts inner cone gear ring of bottom rotating bearing 9, by first by dynamic bevel gear 16, second made by dynamic bevel gear 18 in backing ring 4 can be around Y-Y axle swing).
The cooling water channel of design sealing is provided with nitrogen-sealed, refrigerating unit on the awl gear ring of rotating bearing on inside and outside backing ring, can adapt to the operation operating mode of the many dirt of high temperature.
The gear shaft rotation of the second rack-and-pinion hydro-cylinder 8 drives 7 rotations of outer backing ring first gudgeon, thereby drives outer backing ring 2 around the swing of X-X axle (the first rack-and-pinion hydro-cylinder 1 is together swing also); The gear shaft rotation of the first rack-and-pinion hydro-cylinder 1 drives transmission shaft 13 rotations, drive bevel gear 12 is an one with transmission shaft 13, drive bevel gear 12 rotation drives the rotatable parts inner cone gear ring rotation of top rotating bearings 3, bottom rotating bearing 9, and backing ring 4 can be swung around the Y-Y axle in being made by dynamic bevel gear 18 rotations by dynamic bevel gear 16, second by first; Cone-shaped cloth elephant trunk 11 is when X-X axle and Y-Y axle are done bidirectional swinging, its resultant movement can obtain the distributing mode of needs, for example: annular, volution, fan-shaped etc., the cloth curve of these demands all drives two rack-and-pinion hydro-cylinders by accurate formula ground and finishes.

Claims (1)

1. bidirectional swinging distributing device, it is characterized in that it comprise the first rack-and-pinion hydro-cylinder (1), outer backing ring (2), top rotating bearing (3), interior backing ring (4), distributor housing (6), the second rack-and-pinion hydro-cylinder (8), bottom rotating bearing (9), cone-shaped cloth elephant trunk (11), drive bevel gear (12), transmission shaft (13), first by dynamic bevel gear (16), second by dynamic bevel gear (18); Distributor housing (6) upper edge X-X axis is provided with the outer backing ring first gudgeon hole, the outer backing ring second gudgeon hole, outer backing ring (2) outside backing ring first gudgeon (7), outer backing ring second gudgeon (14) outside the X-X axis is provided with, outer backing ring (2) upper edge Y-Y axis is provided with the interior backing ring first gudgeon hole, the interior backing ring second gudgeon hole, be provided with the transmission shaft through hole in outer backing ring second gudgeon (14), the transmission shaft through hole communicates with the endoporus of outer backing ring, backing ring first gudgeon (15), interior backing ring second gudgeon (17) in interior backing ring (4) outside is provided with along the Y-Y axis;
The upper end of cone-shaped cloth elephant trunk (11) is a big opening end, the endoporus of interior backing ring (4) is passed in the lower end of cone-shaped cloth elephant trunk (11), the swing cloth hole (10) of distributor housing (6) bottom is positioned at the below of distributor housing (6), fixedlys connected with interior backing ring (4) in the upper end of cone-shaped cloth elephant trunk (11); The upper end of cone-shaped cloth elephant trunk (11) be positioned at center trunnion (5) discharge port under, the upper end bore of cone-shaped cloth elephant trunk (11) is greater than the bore of the discharge port of center trunnion (5);
Interior backing ring (4) is positioned at the endoporus of outer backing ring (2), interior backing ring first gudgeon (15) on the interior backing ring (4) penetrates in the interior backing ring first gudgeon hole on the outer backing ring (2), interior backing ring first gudgeon (15) is linked to each other with outer backing ring (2) by bearing, interior backing ring second gudgeon (17) on the interior backing ring (4) penetrates in the interior backing ring second gudgeon hole on the outer backing ring (2), and interior backing ring second gudgeon (17) is linked to each other with outer backing ring (2) by bearing; Fixedly connected with the permanent seat of top rotating bearing (3), bottom rotating bearing (9) respectively in the inboard of outer backing ring (2), top rotating bearing (3) is positioned at the top of the backing ring first gudgeon hole, the backing ring second gudgeon hole, transmission shaft through hole, bottom rotating bearing (9) is positioned at the below of the backing ring first gudgeon hole, the backing ring second gudgeon hole, transmission shaft through hole, and top rotating bearing (3), bottom rotating bearing (9) are positioned between backing ring (4) and the outer backing ring (2); Top rotating bearing (3), be respectively equipped with the awl tooth on the rotatable parts inner cone gear ring of bottom rotating bearing (9), interior backing ring first gudgeon (15) is provided with first by dynamic bevel gear (16), interior backing ring second gudgeon (17) is provided with second by dynamic bevel gear (18), first by awl tooth on the dynamic bevel gear (16) and top rotating bearing (3), awl tooth on the rotatable parts inner cone gear ring of bottom rotating bearing (9) is meshed, and second by awl tooth on the dynamic bevel gear (18) and top rotating bearing (3), awl tooth on the rotatable parts inner cone gear ring of bottom rotating bearing (9) is meshed;
Outer backing ring (2) is positioned at distributor housing (6), outer backing ring first gudgeon (7) on the outer backing ring (2), outer backing ring second gudgeon (14) correspondence respectively pass the outer backing ring first gudgeon hole on the distributor housing (6), the outer backing ring second gudgeon hole, and outer backing ring first gudgeon (7), outer backing ring second gudgeon (14) are linked to each other with distributor housing (6) by bearing respectively; The second rack-and-pinion hydro-cylinder (8) is fixedlyed connected with distributor housing (6), and the gear shaft of the second rack-and-pinion hydro-cylinder links to each other with outer backing ring first gudgeon (7); Transmission shaft (13) passes the transmission shaft through hole on outer backing ring second gudgeon (14), transmission shaft (13) is linked to each other with outer backing ring (2) by bearing, one end of transmission shaft (13) is provided with drive bevel gear (12), awl tooth on the rotatable parts inner cone gear ring of the awl tooth on the drive bevel gear (12) and top rotating bearing (3), bottom rotating bearing (9) is meshed, the other end of transmission shaft (13) links to each other with the gear shaft of the first rack-and-pinion hydro-cylinder (1), and the first rack-and-pinion hydro-cylinder (1) is fixedlyed connected with outer backing ring second gudgeon (14).
CNB2007101690057A 2007-12-25 2007-12-25 Bidirectional swinging distributing device Expired - Fee Related CN100516238C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB2007101690057A CN100516238C (en) 2007-12-25 2007-12-25 Bidirectional swinging distributing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB2007101690057A CN100516238C (en) 2007-12-25 2007-12-25 Bidirectional swinging distributing device

Publications (2)

Publication Number Publication Date
CN101210272A CN101210272A (en) 2008-07-02
CN100516238C true CN100516238C (en) 2009-07-22

Family

ID=39610526

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2007101690057A Expired - Fee Related CN100516238C (en) 2007-12-25 2007-12-25 Bidirectional swinging distributing device

Country Status (1)

Country Link
CN (1) CN100516238C (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103114163B (en) * 2013-02-22 2014-09-10 中冶南方工程技术有限公司 Furnace top distributing device with hollow ring and distributing method thereof
CN104215055B (en) * 2014-09-28 2016-01-06 南京同皓干燥设备有限公司 Mesh dryer

Also Published As

Publication number Publication date
CN101210272A (en) 2008-07-02

Similar Documents

Publication Publication Date Title
CN101701271B (en) Blast furnace roof material distributing device
CN101337619A (en) Exterior-mounted star wheel motorized driving pulley
CN100516238C (en) Bidirectional swinging distributing device
CN101718030A (en) Transmission mechanism of full-automatic multi-impeller washing machine and washing machine and washing mode thereof
CN202105690U (en) High-energy horizontal traditional Chinese medicine nano powder production device by planet ball-milling method
CN104325387A (en) Ball body grinding machine
CN102773134A (en) High energy horizontal planetary ball milling equipment for production of nanometer traditional Chinese medicine powder
CN201165526Y (en) Bidirectional swinging distributor
CN208221487U (en) Long axis supports epicyclic transmission mechanism
CN108731472A (en) A kind of vacuum melting furnace multifunction piece switching device
CN205732299U (en) Homonymy single input axle, synchronous backward double output shaft milling train special gear box
CN202151653U (en) Swinging head device capable of realizing elliptical motion trail
CN207534597U (en) A kind of grinding head for polishing
CN208474439U (en) A kind of differential transmitting linkage of differential vertical screw type conveyer
CN208214644U (en) Novel welding turntable
CN108019473A (en) A kind of gear reducer and the vertical circulating garage for being provided with this gear reducer
CN201679753U (en) Tower type fan steering structure
CN102601660A (en) Planet transmission mechanism and milling-boring machine
CN209175536U (en) A kind of planet shafting drive mechanism for single side grinding grinder
CN202507107U (en) Planetary transmission mechanism and milling and boring machine
CN202786286U (en) Upper annular sliding contact type tilting distributing device
CN107000141A (en) Machining cell for lathe and the lathe with the machining cell
CN202786285U (en) Lower annular sliding contact type tilting distributor
CN101947563B (en) Double-bracket Wheatstone lever mechanism and double-head steel moving mechanism
CN201236060Y (en) Spider electric barrel fitted outside

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
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20090722

Termination date: 20181225