CN203784236U - Transmission structure of oil residue scraper plate - Google Patents
Transmission structure of oil residue scraper plate Download PDFInfo
- Publication number
- CN203784236U CN203784236U CN201420164834.1U CN201420164834U CN203784236U CN 203784236 U CN203784236 U CN 203784236U CN 201420164834 U CN201420164834 U CN 201420164834U CN 203784236 U CN203784236 U CN 203784236U
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- China
- Prior art keywords
- scraper plate
- clamping die
- main shaft
- bearing
- plate main
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- 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
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Abstract
A transmission structure of an oil residue scraper plate comprises a motor, a speed reducer, a driving chain wheel, a driven chain wheel, a scraper plate spindle and a bearing block fixedly connected with the rack and also comprises a sleeve bush sleeving on the scraper plate spindle, a metal healant, a clamping die for coating the metal healant onto the spindle and a locking ring for fixing the shaft bush. A safety pin is arranged between the driven chain wheel and the scraper plate spindle; the metal healant is positioned between the scraper plate spindle and the shaft bush. The metal healant and the shaft bush are adopted between the scraper plate spindle and the bearing, a stronger bearing capacity is realized, the abrasion to the scraper plate spindle and the damage to a bearing inner ring are reduced, the durability of the transmission structure is improved, the service life of a transmission mechanism is prolonged, and the maintenance is facilitated; the clamping die is used, so the metal healant is convenient to coat, and the maintenance time of the transmission mechanism is saved; the transmission structure has greater advantages for repairing the transmission mechanism and is high in repairing precision, obvious in economic benefits and worthy of promotion and application.
Description
Technical field
The utility model relates to a kind of drive mechanism, particularly a kind of drive mechanism of dregs of fat scraper plate.
Background technique
The scrapper conveyor adopting in grease processing is sealed in housing, oil and tallow completes the process that logistics is carried under the promotion of moving scraper plate, in existing grease scrapper conveyor, because scraper plate discharging section exists the unreasonable of design, for because moisture content is high, viscosity is large, blanking difficulty, the oil and tallow that feed back phenomenon is serious, cause scraper plate load additionally to strengthen, motor working current is always higher, the corresponding increase of moment of torsion that main shaft bears.In grease processing, the steam pipe diameter that pulls out of scraper plate head designs too small and unreasonable structure in addition, and in this scraper plate, temperature of charge and gas phase temperature are high, be about 100 ~ 105 DEG C, the long-term operation under positive pressure of scraper plate, pulls out steam pipe diameter too small, is easily stopped up by material powder, exhaust is not smooth, cause wet-hot steam to break through filler, seal failure, hot gas is carried material powder secretly and is entered in bearing support, the bearing bite that is in operation will cause bearing inner race and main shaft axle journal to rub, and causes journal wear.Bearing inner race in this case, concentrate, and bearing inner race is broken by stress, causes the scraper plate main shaft in driving mechanism and shorten the working life of bearing, even can cause whole equipment downtime fault.And the scraper plate used of grease processing is arranged on to be prohibited between train, once after driving mechanism damage or wearing and tearing in scraper plate, can not weld or keep in repair with naked light, cause maintenance difficult, maintenance expenses large, and for the parts that are difficult to purchase of the mechanism that passes on Gong, can cause whole equipment normally to move, therefore, need to provide a kind of drive mechanism of dregs of fat scraper plate to overcome the problems referred to above.
Model utility content
For the deficiencies in the prior art, the technical problem that the utility model solves is the drive mechanism that a kind of effectively wear prevention is provided and is convenient to the dregs of fat scraper plate of maintenance, thereby realizes the working life that extends drive mechanism, reduces the wastage, cost-saving.
For solving the problems of the technologies described above, the purpose of this utility model can realize by following technical measures: a kind of drive mechanism of dregs of fat scraper plate, comprise motor, retarder, drive sprocket, driven sprocket, scraper plate main shaft, be fixedly connected with bearing support with frame, described motor adopts spring coupling to be connected with retarder, described drive sprocket is connected with the output shaft of described retarder, described driven sprocket is connected with described scraper plate spindle, the bearing being socketed on described scraper plate main shaft is fixed in described bearing support, also comprise the axle sleeve being sheathed on described scraper plate main shaft, metal repairing agent, by the clamping die on described metal repairing agent coating and described main shaft with for fixing the locking ring of described axle sleeve, described bearing and described axle sleeve are connected, described metal repairing agent is between described scraper plate main shaft and axle sleeve, between described driven sprocket and described scraper plate main shaft, be provided with safety pin, play safety effect.The utility model adopts metal repairing agent and axle sleeve between scraper plate main shaft and bearing, there is stronger ability to bear, can reduce the wearing and tearing to scraper plate main shaft and the damage to bearing inner race, improve the serviceability of drive mechanism, extend the life-span of driving mechanism, also facilitated maintenance simultaneously.
The drive mechanism clamping die used of a kind of dregs of fat scraper plate of the utility model is cylindric, described clamping die outer surface is radially extended with compact heap, described compact heap is along the symmetry plane symmetry of clamping die, and described compact heap is provided with some equally distributed perforation; Described clamping die from the symmetry plane of described clamp be divided into symmetrical clamping die and lower clamping die.
As the preferred implementation of the drive mechanism of a kind of dregs of fat scraper plate of the utility model, described clamping die also comprises block, described block center offers the through hole coordinating with institute main shaft diameter transition, coordinates described clamping die that described metal repairing agent is coated on scraper plate main shaft.
As the preferred implementation of the drive mechanism of a kind of dregs of fat scraper plate of the utility model, the end face of described upper clamping die is provided with projection, the end face of described lower clamping die is provided with groove, described in when described upper clamping die and lower clamping die combine, projection coordinates with groove convex-concave, in order to allow clamping die be fastened on accurately on scraper plate main shaft.
As the preferred implementation of the drive mechanism of a kind of dregs of fat scraper plate of the utility model, described drive mechanism also comprises bearing (ball) cover, and described bearing (ball) cover matches with described axle sleeve, plays effect dustproof and sealing.
As a mode of execution of the drive mechanism of a kind of dregs of fat scraper plate of the utility model, described sleeve length and described metal repairing agent be coated in the axial width that length on described scraper plate main shaft is greater than bearing, make with the area of contact of metal repairing agent and scraper plate main shaft large, allow the surface of contact of axle sleeve and bearing increase, easily install.
The technical solution of the utility model has following beneficial effect: the drive mechanism of dregs of fat scraper plate of the present utility model can reduce the replacing number of times of amount of maintenance and driving mechanism part, enhances productivity and has saved the cost of easily damaged parts; The utility model scraper plate driving mechanism is sturdy and durable, is beneficial to the maintenance of driving mechanism, has ensured the quality of whole equipment, is beneficial to production; The utility model adopts metal repairing agent and axle sleeve between scraper plate main shaft and bearing, there is stronger ability to bear, can reduce the wearing and tearing to scraper plate main shaft and the damage to bearing inner race, improve the serviceability of drive mechanism, extend the life-span of driving mechanism, also facilitated maintenance simultaneously.The utility model uses clamping die and block, has facilitated the coating to metal repairing agent, has saved the engineering time of driving mechanism.
Brief description of the drawings
The utility model is described in further detail to utilize accompanying drawing, but embodiment in accompanying drawing does not form any restriction of the present utility model.
Fig. 1 is the dregs of fat scraper plate driving mechanism structural representation of the utility model preferred embodiment.
Fig. 2 is another embodiment's of the utility model dregs of fat scraper plate driving mechanism structural representation.
Fig. 3 is the clamping die structural representation of the utility model embodiment dregs of fat scraper plate driving mechanism.
Embodiment
For making the utility model easier to understand, will further set forth specific embodiment of the utility model below.Below in conjunction with the accompanying drawing in the utility model embodiment, the technological scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment who obtains under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, the drive mechanism of a kind of dregs of fat scraper plate of the utility model preferred embodiment, described driving mechanism comprises drive motor, the retarder being connected with drive motor, the drive sprocket being connected with retarder, driven sprocket 2 with drive sprocket by chain transmission, drive scraper plate motion scraper plate main shaft 1, be fixedly connected with bearing support with frame in addition.Described motor adopts spring coupling to be connected with retarder, described drive sprocket is connected with the output shaft of described retarder, on drive sprocket and described reducer output shaft, be respectively equipped with keyway, embed in above-mentioned keyway by flat key, thereby ensure that retarder drives drive sprocket to rotate.Between described driven sprocket 2 and described scraper plate main shaft 1, be provided with safety pin 3, driven sprocket 2 drives scraper plate main shaft 1 to rotate by safety pin 3, realizes being synchronized with the movement of driven sprocket 2 and scraper plate main shaft 1.Drive motor drives drive sprocket to rotate by retarder, drive sprocket is by chain-driving driven sprocket 2, driven sprocket 2 drives scraper plate main shaft 1 to rotate by safety pin 3, scraper plate main shaft 1 drives scraper plate 4 to move, in the process of moving at scraper plate 4, in the time that scraper plate 4 overloads or blocked by foreign matter, the safety pin 3 being connected between described driven sprocket 2 and scraper plate main shaft 1 can rupture, and plays safety effect.Scraper plate main shaft 1 is installed in casing, scraper plate main shaft 1 adopts packing seal with casing, and wherein, the bearing 5 being socketed on described scraper plate main shaft is fixed in described bearing support, scraper plate main shaft 1, bearing 5, bearing support carry out axially locating by casing and frame, to ensure the smooth rotation of scraper plate main shaft 1.The driving mechanism of dregs of fat scraper plate also comprises the axle sleeve 6 being sheathed on described scraper plate main shaft, metal repairing agent 7, described metal repairing agent 7 is coated on to clamping die 8 on described scraper plate main shaft 1 and the locking ring 9 for fixed axle sleeve, described bearing 5 is connected with described axle sleeve 6, described axle sleeve 6 is provided with the tapped hole being threaded with described locking ring 9, described metal repairing agent 7 is between described scraper plate main shaft 1 and axle sleeve 6, metal repairing agent 7 and sleeve 6 are between described scraper plate main shaft 1 and bearing 5 simultaneously, can reduce the wearing and tearing to scraper plate main shaft 1 and the damage to bearing 5 inner rings, improve the serviceability of drive mechanism, extend the life-span of driving mechanism, also facilitated maintenance simultaneously.The drive mechanism of dregs of fat scraper plate of the present utility model can reduce the replacing number of times of amount of maintenance and driving mechanism part, enhance productivity and saved the cost of easily damaged parts, this driving mechanism is sturdy and durable, is beneficial to the maintenance of driving mechanism, the quality that has ensured whole equipment, is beneficial to production.
The metal repairing agent 7 that the drive mechanism of a kind of dregs of fat scraper plate of the utility model adopts is to adopt polymer composite, pass through mould repair, can guarantee to greatest extent to repair the dimensional fits of position and component, utilize the comprehensive advantages such as resistance to compression that composite material itself has, counter-bending, elongation simultaneously, can effectively absorb the impact of external force, greatly dissolve and offset the radial impact power of bearing to axle, and the possibility of having avoided gap to occur, also just avoid equipment to increase the wearing and tearing that cause relative movement because of gap.Metal repairing agent 7 does not have specific shape and structure, can be pressed into required shape according to no mould.Grease scraper plate driving mechanism of the present utility model, can be applicable to two kinds of operating modes: the one, bearing 5 damages to the scraper plate main shaft 1 in grease scraper plate actuation mechanism and the situation of journal wear, scraper plate main shaft 1 disassembles very difficult, and the inactive naked light in scene, adopt this driving mechanism, first by the dirt removal on scraper plate main shaft 1 surface of wearing and tearing, the scraper plate main shaft surface of processing again wearing and tearing makes it clean, then metal repairing agent 7 is spread upon to scraper plate main shaft 1 surface of wearing and tearing, again clamping die 8 is fastened on the scraper plate main shaft 1 of having smeared metal repairing agent painting, clamping die 8 is locked with bolt, allow unnecessary metal repairing agent 7 squeeze out from clamping die 8 connecting sewings, adopt clamping die 8 that metal repairing agent 7 is shaped on clamping plate main shaft 1, improve the coaxality of metal repairing agent 7 with scraper plate main shaft 1, can avoid significantly beating after 1 running of scraper plate main shaft, also density and the intensity of metal repairing agent 7 have been improved simultaneously.After metal repairing agent 7 solidifies, at surface cover Upper shaft sleeve 6, axle sleeve 6 is locked on scraper plate main shaft 1 by locking ring 9, finally on axle sleeve 6, load onto new bearing, so far the bearing of scraper plate main shaft 1 and former breakage 5 can be repaired, easy to maintenance, it can reach the transmission efficiency of driving mechanism before completely, and more sturdy and durable.
The utility model is applied to another kind of operating mode, as shown in Figure 2, for another embodiment's of the utility model dregs of fat scraper plate driving mechanism structural representation, the place of easily wearing and tearing and damaging for scraper plate main shaft 1 and the bearing 5 of driving mechanism in grease scraper plate, be scraper plate main shaft 1 and bearing 5 touching positions, by the dirt removal on surface, described contacting point, scraper plate main shaft 1 surface of clean described contacting point again, then metal repairing agent 7 is spread upon to scraper plate main shaft 1 surface of contacting point, again clamping die 8 is fastened on the scraper plate main shaft 1 of having smeared metal repairing agent 7, 85 grades of blocks are butted on to clamping die 8 two ends simultaneously, and block 85 offers the through hole coordinating with institute scraper plate main shaft 1 diameter transition, clamping die 8 is locked with bolt, allow unnecessary metal repairing agent 7 squeeze out from the connecting sewing between clamping die 8 and block 85, adopt clamping die 8 that metal repairing agent 7 is shaped on clamping plate main shaft 1, improve the coaxality of metal repairing agent 7 with scraper plate main shaft 1, can avoid significantly beating after 1 running of scraper plate main shaft, also density and the intensity of metal repairing agent 7 have been improved simultaneously.After metal repairing agent 7 solidifies, remove block 85, at surface cover Upper shaft sleeve 6, axle sleeve 6 is locked on scraper plate main shaft 1 by locking ring 9, finally on axle sleeve 6, loads onto new bearing, so far can prevent local wearing and tearing and damage that scraper plate main shaft 1 contacts with bearing 5, strengthen the local intensity of driving mechanism weakness, improve ability to bear and the serviceability of driving mechanism, extend the life-span of driving mechanism, ensured the quality of whole equipment.Now it should be noted that, the internal diameter of the clamping die 8 using in the second operating mode is greater than the diameter of scraper plate main shaft 1, and the internal diameter of axle sleeve 6 is also greater than the diameter of scraper plate main shaft 1, to leave the accommodating metal repairing agent 7 in space.
As another mode of execution of the drive mechanism of a kind of dregs of fat scraper plate of the utility model, as shown in Figure 3, it is the clamping die structural representation of the utility model embodiment's dregs of fat scraper plate driving mechanism, described clamping die 8 is cylindric, clamping die is adopted 8 use Q235A carbon steels and is made, internal diameter is more than or equal to the diameter of scraper plate main shaft 1, and the length of clamping die 8 is greater than the length that scraper plate main shaft 1 contacts with bearing 5.Described clamping die 8 outer surfaces are radially extended with compact heap 86, described compact heap 86 is along the symmetry plane symmetry of clamping die 8, described compact heap 86 is provided with some equally distributed perforation, described clamping die 8 from the symmetry plane of described clamp be divided into symmetrical clamping die 81 and lower clamping die 82.When concrete enforcement, first clamping die 8 is processed into cylindric, the upper compact heap 86 of welding, and the processing mode then cutting with line by die-cut into two, uses in pairs.No matter for the clamping die 8 of which kind of operating mode, must ensure clamping die 8 clamping time, there is good coaxality with scraper plate main shaft 1, while preventing drive mechanism running there is round beating in scraper plate main shaft 1.
In other embodiments of the drive mechanism of a kind of dregs of fat scraper plate of the utility model, in order to allow clamping die 8 be fastened on accurately on scraper plate main shaft 1, the end face of the upper clamping die 81 in clamping die 8 is provided with projection 83, the end face of lower clamping die 82 is provided with groove 84, described in when described upper clamping die 81 and lower clamping die 82 combine, projection 83 coordinates with groove 84 convex-concaves, is convenient to clamping die 8 and fastens accurately.The convex-concave of design coordinates location herein, is a kind of mode of execution of the present utility model, also can adopt other structural type to allow clamping die 8 fasten accurately.
As another mode of execution of the drive mechanism of a kind of dregs of fat scraper plate of the utility model, drive mechanism also comprises bearing (ball) cover 11, and described bearing (ball) cover 11 matches with described axle sleeve 6, and bearing (ball) cover 11 is positioned at bearing 5 two ends, plays effect dustproof and sealing.In addition, axle sleeve 6 length and described metal repairing agent 7 be coated in the axial width that length on described scraper plate main shaft 1 is greater than bearing 5, make metal repairing agent 7 large with the area of contact of scraper plate main shaft 1, the surface of contact of axle sleeve 6 and bearing 5 is large, easily install, and not fragile scraper plate main shaft 1, long service life.
The drive mechanism of dregs of fat scraper plate of the present utility model can reduce the replacing number of times of amount of maintenance and driving mechanism part, enhances productivity and has saved the cost of easily damaged parts; The utility model scraper plate driving mechanism is sturdy and durable, is beneficial to the maintenance of driving mechanism, has ensured the quality of whole equipment, is beneficial to production; The utility model adopts metal repairing agent 7 and axle sleeve 6 between scraper plate main shaft 1 and bearing 5, there is stronger ability to bear, can reduce the wearing and tearing to scraper plate main shaft 1 and the damage to bearing inner race, improve the serviceability of drive mechanism, extend the life-span of driving mechanism, also facilitated maintenance simultaneously.The utility model uses clamping die 8, has facilitated the coating to metal repairing agent 7, has saved the engineering time of driving mechanism.The utility model has larger advantage for repairing driving mechanism, and reparation precision is high, and economic benefit is obvious, is worthy of popularization.
Last institute should be noted that; above embodiment is the restriction in order to the technical solution of the utility model to be described but not to the utility model protection domain only; although the utility model is explained in detail with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can modify or be equal to replacement the technical solution of the utility model, and not depart from essence and the scope of technical solutions of the utility model.
Claims (6)
1. the drive mechanism of a dregs of fat scraper plate, comprise motor, retarder, drive sprocket, driven sprocket, scraper plate main shaft, be fixedly connected with bearing support with frame, described motor adopts spring coupling to be connected with retarder, described drive sprocket is connected with the output shaft of described retarder, described driven sprocket is connected with described scraper plate spindle, the bearing being socketed on described scraper plate main shaft is fixed in described bearing support, it is characterized in that, also comprise the axle sleeve being sheathed on described scraper plate main shaft, metal repairing agent, described metal repairing agent is coated on to clamping die on described main shaft and the locking ring for fixing described axle sleeve, described axle sleeve is connected with described bearing fit, between described driven sprocket and described scraper plate main shaft, be provided with safety pin, described metal repairing agent is between described scraper plate main shaft and axle sleeve.
2. the drive mechanism of dregs of fat scraper plate according to claim 1, it is characterized in that, described clamping die is cylindric, described clamping die outer surface is radially extended with compact heap, described compact heap is along the symmetry plane symmetry of described clamping die, and described compact heap is provided with some equally distributed perforation; Described clamping die from the symmetry plane of described clamp be divided into symmetrical clamping die and lower clamping die.
3. the drive mechanism of dregs of fat scraper plate according to claim 1 and 2, is characterized in that, described clamping die also comprises block, and described block center offers the through hole coordinating with institute main shaft diameter transition.
4. the drive mechanism of dregs of fat scraper plate according to claim 3, it is characterized in that, the end face of described upper clamping die is provided with projection, and the end face of described lower clamping die is provided with groove, when described upper clamping die and lower clamping die combine described in projection coordinate with groove convex-concave.
5. the drive mechanism of dregs of fat scraper plate according to claim 1, is characterized in that, described drive mechanism also comprises bearing (ball) cover, and described bearing (ball) cover matches with described axle sleeve.
6. the drive mechanism of dregs of fat scraper plate according to claim 1, is characterized in that, described sleeve length and described metal repairing agent be coated in the axial width that length on described scraper plate main shaft is greater than bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420164834.1U CN203784236U (en) | 2014-04-08 | 2014-04-08 | Transmission structure of oil residue scraper plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420164834.1U CN203784236U (en) | 2014-04-08 | 2014-04-08 | Transmission structure of oil residue scraper plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203784236U true CN203784236U (en) | 2014-08-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420164834.1U Expired - Fee Related CN203784236U (en) | 2014-04-08 | 2014-04-08 | Transmission structure of oil residue scraper plate |
Country Status (1)
| Country | Link |
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| CN (1) | CN203784236U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105515263A (en) * | 2015-12-31 | 2016-04-20 | 武汉新农翔饲料有限公司 | Feed particle machine protecting device |
| CN106112380A (en) * | 2016-08-23 | 2016-11-16 | 淄博福世蓝高分子复合材料技术有限公司 | The technique of mould positioning mode reparation abrasion axle and device |
| CN108466840A (en) * | 2018-03-29 | 2018-08-31 | 武汉华星光电技术有限公司 | A kind of transmission device and exposure side machine |
| CN108626107A (en) * | 2017-03-17 | 2018-10-09 | 罗伯特·博世有限公司 | Pump and positioning key |
| CN110695609A (en) * | 2019-09-30 | 2020-01-17 | 阳泉煤业集团华越机械有限公司煤机装备研究院 | Scraper transplanting, reproducing and repairing method for scraper conveyor |
-
2014
- 2014-04-08 CN CN201420164834.1U patent/CN203784236U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105515263A (en) * | 2015-12-31 | 2016-04-20 | 武汉新农翔饲料有限公司 | Feed particle machine protecting device |
| CN105515263B (en) * | 2015-12-31 | 2017-09-22 | 武汉新农翔饲料有限公司 | Feed granulator protection device |
| CN106112380A (en) * | 2016-08-23 | 2016-11-16 | 淄博福世蓝高分子复合材料技术有限公司 | The technique of mould positioning mode reparation abrasion axle and device |
| CN108626107A (en) * | 2017-03-17 | 2018-10-09 | 罗伯特·博世有限公司 | Pump and positioning key |
| CN108466840A (en) * | 2018-03-29 | 2018-08-31 | 武汉华星光电技术有限公司 | A kind of transmission device and exposure side machine |
| CN110695609A (en) * | 2019-09-30 | 2020-01-17 | 阳泉煤业集团华越机械有限公司煤机装备研究院 | Scraper transplanting, reproducing and repairing method for scraper conveyor |
| CN110695609B (en) * | 2019-09-30 | 2023-01-03 | 阳泉煤业集团华越机械有限公司煤机装备研究院 | Scraper transplanting, reproducing and repairing method for scraper conveyor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151125 Address after: 511462 Xin'an Industrial Park, Wan Huan Road, Nansha, Guangzhou, Guangdong, China Patentee after: GUANGZHOU ZHIZHIYUAN OIL INDUSTRY CO.,LTD. Address before: 29 floor, Litong Plaza, No. 32 Pearl River East Road, Zhujiang New Town, Guangdong, Guangzhou, 510623 Patentee before: DONLINKS GRAIN & OIL CO.,LTD. |
|
| 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: 20140820 |