CN110670440B - Pavement structure applying super-viscous fiber wearing layer - Google Patents
Pavement structure applying super-viscous fiber wearing layer Download PDFInfo
- Publication number
- CN110670440B CN110670440B CN201910901770.6A CN201910901770A CN110670440B CN 110670440 B CN110670440 B CN 110670440B CN 201910901770 A CN201910901770 A CN 201910901770A CN 110670440 B CN110670440 B CN 110670440B
- Authority
- CN
- China
- Prior art keywords
- layer
- rib
- super
- reinforcing
- emulsified asphalt
- 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.)
- Active
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C7/00—Coherent pavings made in situ
- E01C7/08—Coherent pavings made in situ made of road-metal and binders
- E01C7/32—Coherent pavings made in situ made of road-metal and binders of courses of different kind made in situ
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C7/00—Coherent pavings made in situ
- E01C7/08—Coherent pavings made in situ made of road-metal and binders
- E01C7/35—Toppings or surface dressings; Methods of mixing, impregnating, or spreading them
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C7/00—Coherent pavings made in situ
- E01C7/08—Coherent pavings made in situ made of road-metal and binders
- E01C7/35—Toppings or surface dressings; Methods of mixing, impregnating, or spreading them
- E01C7/353—Toppings or surface dressings; Methods of mixing, impregnating, or spreading them with exclusively bituminous binders; Aggregate, fillers or other additives for application on or in the surface of toppings with exclusively bituminous binders, e.g. for roughening or clearing
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Structures (AREA)
Abstract
The invention discloses a pavement structure applying a super-viscous fiber wearing layer, which comprises the following components from bottom to top: the basic unit of tamped intensity, the oily layer is passed through to high infiltration emulsified asphalt, and the structure strengthening layer, modified emulsified asphalt oil-binding layer and the super viscose fiber wearing and tearing layer that contains twistless roving type glass fiber, the structure strengthening layer is including parallel arrangement's intensive rib, and two piece at least horizontal muscle that the fixed slot or the vertical direction of strengthening the rib through the bottom cross are fixed, strengthens filling through gathering materials between the rib, it is trapezoidal sleeper type reinforcing rib for hollow circular tube type reinforcing rib or cross-section to strengthen the rib. The pavement structure applying the super-sticky fiber wearing layer provided by the invention enables the asphalt pavement with insufficient structural strength and easy sinking to be paved and repaired by applying the super-sticky fiber wearing layer material, and can be applied to repair and complement of large-depth defects while realizing structural reinforcement by adjusting the thickness of the structural reinforcing layer through the reinforcing ribs.
Description
Technical Field
The invention belongs to the technical field of road engineering, and particularly relates to a pavement structure applying a super-viscous fiber wearing layer.
Background
The asphalt pavement has the advantages of high flatness, low noise, convenient maintenance and the like. However, under the action of natural environment and long-term load, the asphalt pavement has the phenomena of surface oil spreading, water seepage, slight rutting and the like. If the repair treatment is not carried out in time, the diseases are accelerated to deteriorate, the driving safety is directly influenced, and the service life of the asphalt pavement is greatly reduced, so that a proper maintenance means is required to repair the slight diseases of the asphalt pavement in time.
The traditional asphalt pavement maintenance has micro-surfacing technology, but the asphalt pavement repaired by the technology has poor skid resistance, high noise and low durability. Although the existing ultra-thin wearing layer technology overcomes the partial defects of the micro-surface, the rapid sinking is easy to occur under the condition that the intensity and the defect depth of the basic structure are too deep.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a pavement structure applying a super-sticky fiber wearing layer, which is used for reinforcing the structural strength of a base layer at the damaged part of an asphalt pavement and prolonging the service life of the super-sticky fiber wearing layer of the asphalt pavement.
The technical scheme is as follows:
a pavement structure using a super-viscous fiber wearing layer, comprising from bottom to top: the basic unit of tamp intensity, the oil layer is passed through to high infiltration emulsified asphalt, and the structure strengthening layer, modified emulsified asphalt oil-sticking layer and the super viscose fiber wearing and tearing layer that contains roving type glass fiber, wherein:
the structure reinforcement layer is including parallel arrangement's reinforced rib, and reinforced rib is fixed through two piece at least horizontal muscle of the fixed slot of bottom or the vertical direction crossing, strengthens filling through gathering materials between the rib, reinforced rib is hollow circular tube type reinforced rib or the cross-section is trapezoidal sleeper type reinforced rib, wherein: when the structure reinforcing layer is a hollow round pipe type reinforcing rib, the structure reinforcing layer is divided into an upper layer and a lower layer by taking a horizontal diameter plane of the hollow round pipe type reinforcing rib as a boundary; the lower included angle range of the trapezoidal section of the sleeper-shaped reinforcing rib with the trapezoidal section is 20-45 degrees;
the thickness range of the super-viscous fiber wearing layer containing the twistless roving type glass fiber is 8-12mm, the cationic polymer modified emulsified asphalt is selected, the dosage of a modifier is not less than 3%, the type selection of the modified emulsified asphalt and the adhesion of crushed stone are more than 4 grades, and the dosage is 0.3-0.5kg per square meter; the spreading temperature of the modified emulsified asphalt is controlled to be about 50 ℃ to 70 ℃, and the mixing temperature of the modified emulsified asphalt is preferably controlled to be 35 ℃; spraying roving glass fiber in a winding shaft type, wherein the fiber length is 12mm, and the using amount is 1 per mill; the aggregate is made of high-quality basalt, and the particle size of the aggregate ranges from 0.075mm to 9.5 mm.
Preferably, when the hollow round pipe type reinforcing rib is applied to the structural reinforcing layer, the aggregate particle sizes of the upper layer and the lower layer are different.
Preferably, when the cross section of the structural reinforcing layer is a trapezoidal sleeper-shaped reinforcing rib, at least two layers are arranged, the reinforcing ribs in the single layer are arranged in parallel, the reinforcing ribs in the adjacent layers are arranged in a crossed manner, and the aggregate grain sizes of different layers are different.
According to the pavement structure applying the super-sticky fiber wearing layer, the hollow circular tube has stronger bending resistance and resilience restoration capacity than a solid circular tube, the sleeper-shaped reinforcing ribs can disperse the pressure, reduce the impact on the lower layer, further avoid the sinking, prolong the service life of the pavement, enable the asphalt pavement which is insufficient in structural strength and easy to sink to be paved and repaired by using the super-sticky fiber wearing layer material, and realize the structural reinforcement by adjusting the thickness of the structural reinforcing layer through the reinforcing ribs, and meanwhile, the pavement structure is applied to the repair and complement of the defect with larger depth.
The high-viscosity modified emulsified asphalt and the super-viscosity mixture form a composite mechanical interlocking system, and the fiber, the asphalt and the aggregate are tightly connected, so that the slippage and the peeling of the aggregate are effectively limited.
The super-viscous fiber wearing layer applied by the invention has high stability and high waterproofness, namely the continuous distribution of the modified emulsified asphalt, especially the distribution of the first layer of high-viscosity modified emulsified asphalt has good repairing effect on microcracks on the original road surface, the sealing property of the sealing layer is improved, and the fiber playing a role in reinforcing and bridging in the structure of the super-viscous mixture has large specific surface area, is very easy to adsorb oil in the asphalt, increases the viscosity and the adhesive force, can obviously prevent the flow of the asphalt, and forms a compact protective film on the road surface; high stress absorption and stress diffusion and super-strong crack resistance.
Drawings
Fig. 1 is a cross-sectional view of a road surface structure using a super-bond fiber wearing layer using a sleeper-type reinforcing rib having a trapezoidal section.
Fig. 2 is a plan view of a structural reinforcing layer using a sleeper-type reinforcing rib having a trapezoidal section.
Description of reference numerals:
a base layer-1 with tamping strength, a high-permeability emulsified asphalt oil penetration layer-2, a structural reinforcing layer-3, a modified emulsified asphalt oil-sticking layer-4, a super-sticky fiber wearing layer-5 containing twistless roving type glass fibers and sleeper type reinforcing ribs-6 with trapezoidal sections.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the following describes a pavement structure using a super-viscous fiber wearing layer in detail with reference to the examples. The following examples are intended to illustrate the invention only and are not intended to limit the scope of the invention.
Example 1
A pavement structure using a super-viscous fiber wearing layer, comprising from bottom to top: the base layer 1 of tamped strength, the high-permeability emulsified asphalt oil-permeable layer 2 with the thickness of at least 3mm, the structure reinforcing layer 3, the modified emulsified asphalt oil-viscous layer 4 and the super-viscous fiber wearing layer 5 containing the twistless roving type glass fiber.
The thickness of the structural reinforcing layer 3 comprising parallel arranged reinforcing ribs is at least 5 mm. The reinforcing ribs are fixed through fixing grooves at the bottom or at least two transverse ribs transversely crossing in the vertical direction so as to prevent the position of the reinforcing ribs from moving under pressure when aggregate is filled. The reinforcing rib in this embodiment is a hollow circular tube type reinforcing rib. The structural reinforcing layer is divided into an upper layer and a lower layer by taking the horizontal diameter plane of the hollow circular tube type reinforcing rib as a boundary, the aggregate grain sizes of the upper layer and the lower layer can be different, and the outer diameter of the hollow circular tube type reinforcing rib is 5mm to 20 mm.
The hollow round pipe type reinforcing rib can be a steel pipe.
The thickness range of the super-viscous fiber wearing layer containing the twistless roving type glass fiber is 8-12mm, the cationic polymer modified emulsified asphalt is selected, the dosage of a modifier is not less than 3%, the adhesion between the selected type of the modified emulsified asphalt and the crushed stone is more than 4 grades, and the dosage is 0.3-0.5 kg/square meter; the spreading temperature of the modified emulsified asphalt is controlled to be about 50 ℃ to 70 ℃, and the mixing temperature of the modified emulsified asphalt is preferably controlled to be 35 ℃; spraying roving glass fiber in a winding shaft type, wherein the fiber length is 12mm, and the using amount is 1 per mill; the aggregate is made of high-quality basalt, and the particle size of the aggregate ranges from 0.075mm to 9.5 mm.
Example 2
As shown in fig. 1, a pavement structure using a super-viscous fiber wearing layer includes, from bottom to top: the base layer 1 of tamped strength, the high-permeability emulsified asphalt oil-permeable layer 2 with the thickness of at least 3mm, the structure reinforcing layer 3, the modified emulsified asphalt oil-viscous layer 4 and the super-viscous fiber wearing layer 5 containing the twistless roving type glass fiber.
The thickness of the structural reinforcement layer 3 is at least 5 mm. The reinforcing ribs are arranged in parallel and fixed through the fixing grooves at the bottom or at least two transverse ribs transversely crossing in the vertical direction so as to prevent the position of the reinforcing ribs from moving under pressure when aggregate is filled. As shown in fig. 1 and 2, the reinforcement rib in the present embodiment is a sleeper-type reinforcement rib 6 having a trapezoidal cross section. The lower included angle range of the trapezoidal section of the sleeper-shaped reinforcing rib with the trapezoidal section is 20-45 degrees, and the height is 5-20 mm.
The thickness range of the super-viscous fiber wearing layer containing the twistless roving type glass fiber is 8-12mm, the cationic polymer modified emulsified asphalt is selected, the dosage of a modifier is not less than 3%, the adhesion between the selected type of the modified emulsified asphalt and the crushed stone is more than 4 grades, and the dosage is 0.3-0.5 kg/square meter; the spreading temperature of the modified emulsified asphalt is controlled to be about 50 ℃ to 70 ℃, and the mixing temperature of the modified emulsified asphalt is preferably controlled to be 35 ℃; spraying roving glass fiber in a winding shaft type, wherein the fiber length is 12mm, and the using amount is 1 per mill; the aggregate is made of high-quality basalt, and the particle size of the aggregate ranges from 0.075mm to 9.5 mm.
The sleeper-type reinforcing ribs may be cement sleeper-type reinforcing ribs.
It can be understood that when filling deeper asphalt pavement defects, the structural reinforcement layer using the sleeper-type reinforcement ribs with trapezoidal cross sections can be provided with at least two layers of sleeper-type reinforcement ribs, the reinforcement ribs in the single layer are arranged in parallel, the reinforcement ribs in the adjacent layers are arranged in a crisscross manner, and the aggregate particle sizes between different layers can be different.
Example 3
A pavement structure using a super-viscous fiber wearing layer, comprising from bottom to top: the base layer 1 of tamped strength, the high-permeability emulsified asphalt oil-permeable layer 2 with the thickness of at least 3mm, the structure reinforcing layer 3, the modified emulsified asphalt oil-viscous layer 4 and the super-viscous fiber wearing layer 5 containing the twistless roving type glass fiber.
The structural reinforcing layer 3 includes at least two layers, one of which uses hollow round tube type reinforcing ribs and the other of which uses sleeper type reinforcing ribs. The hollow round pipe type reinforcing ribs and the sleeper type reinforcing ribs of the adjacent layers are staggered and stacked in a cross way.
Hollow pipe has the anti buckling and resilience ability stronger than solid pipe, but sleeper type reinforcing rib dispersible pressure reduces the impact to the lower floor, further avoids sunken, extension road surface life-span. The hollow round tube type reinforcing rib can be a steel tube, and the sleeper type reinforcing rib can be a cement sleeper type reinforcing rib.
Example 4
A pavement structure using a super-viscous fiber wearing layer, comprising from bottom to top: the base layer 1 of tamped strength, the high-permeability emulsified asphalt oil-permeable layer 2 with the thickness of at least 3mm, the structure reinforcing layer 3, the modified emulsified asphalt oil-viscous layer 4 and the super-viscous fiber wearing layer 5 containing the twistless roving type glass fiber.
The structural reinforcement layer 3 includes hollow round tube type reinforcement ribs and sleeper type reinforcement ribs. The hollow round pipe type reinforcing ribs and the sleeper type reinforcing ribs are arranged in parallel at intervals on the same layer. Hollow pipe has the anti buckling and resilience ability stronger than solid pipe, but sleeper type reinforcing rib dispersible pressure reduces the impact to the lower floor, further avoids sunken, extension road surface life-span. The hollow round tube type reinforcing rib can be a steel tube, and the sleeper type reinforcing rib can be a cement sleeper type reinforcing rib.
Example 5
The thickness range of the super-viscous fiber wearing layer containing the twistless roving type glass fiber is 8-12mm, the cationic polymer modified emulsified asphalt is selected, the dosage of a modifier is not less than 3%, the adhesion between the selected type of the modified emulsified asphalt and the crushed stone is more than 4 grades, and the dosage is 0.3-0.5 kg/square meter; the spreading temperature of the modified emulsified asphalt is controlled to be about 50 ℃ to 70 ℃, and the mixing temperature of the modified emulsified asphalt is preferably controlled to be 35 ℃; spraying roving glass fiber in a winding shaft type, wherein the fiber length is 12mm, and the using amount is 1 per mill; the aggregate is made of high-quality basalt, and the particle size of the aggregate ranges from 0.075mm to 9.5 mm. Construction of the super-viscous fiber wearing layer: the construction thickness of the super-sticky wearing layer is controlled to be about 1.0cm, if construction is carried out in different frames, the other frame is opened for traffic, and lap joint treatment is carried out.
The present invention is not limited to the above-described examples, and various changes can be made without departing from the spirit and scope of the present invention within the knowledge of those skilled in the art.
Claims (3)
1. A pavement structure applying a super-viscous fiber wearing layer is characterized by comprising from bottom to top: the basic unit of tamp intensity, the oil layer is passed through to high infiltration emulsified asphalt, and the structure strengthening layer, modified emulsified asphalt oil-sticking layer and the super viscose fiber wearing and tearing layer that contains roving type glass fiber, wherein:
the structure reinforcement layer is including parallel arrangement's reinforced rib, and reinforced rib is fixed through two piece at least horizontal muscle of the fixed slot of bottom or the vertical direction crossing, strengthens filling through gathering materials between the rib, reinforced rib is hollow circular tube type reinforced rib or the cross-section is trapezoidal sleeper type reinforced rib, wherein: when the structure reinforcing layer is a hollow round pipe type reinforcing rib, the structure reinforcing layer is divided into an upper layer and a lower layer by taking a horizontal diameter plane of the hollow round pipe type reinforcing rib as a boundary; the lower included angle range of the trapezoidal section of the sleeper-shaped reinforcing rib with the trapezoidal section is 20-45 degrees;
the thickness range of the super-viscous fiber wearing layer containing the roving glass fiber is 8-12mm, cationic polymer modified emulsified asphalt is selected, the dosage of a modifier is not less than 3%, and the adhesion between the type of the modified emulsified asphalt and broken stone is more than 4 grades; the spreading temperature of the modified emulsified asphalt is controlled to be about 50 ℃ to 70 ℃, and the mixing temperature of the modified emulsified asphalt is preferably controlled to be 35 ℃; spraying roving glass fiber in a winding shaft type, wherein the fiber length is 12mm, and the using amount is 1 per mill; the aggregate is made of high-quality basalt, and the particle size of the aggregate ranges from 0.075mm to 9.5 mm.
2. A pavement structure using a high-viscosity fiber wearing course as defined in claim 1, wherein said structural reinforcing course has hollow round tube type reinforcing ribs, and the aggregate sizes of the upper and lower courses are different from each other.
3. A pavement structure using a high-viscosity fiber wearing course as defined in claim 1, wherein said structural reinforcing course has at least two courses using cross-sectionally trapezoidal tie-type reinforcing ribs, the reinforcing ribs in the single course are arranged in parallel, the reinforcing ribs in the adjacent courses are arranged in a crisscross pattern, and the aggregate grain size is different between the courses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910901770.6A CN110670440B (en) | 2019-09-23 | 2019-09-23 | Pavement structure applying super-viscous fiber wearing layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910901770.6A CN110670440B (en) | 2019-09-23 | 2019-09-23 | Pavement structure applying super-viscous fiber wearing layer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110670440A CN110670440A (en) | 2020-01-10 |
| CN110670440B true CN110670440B (en) | 2021-08-03 |
Family
ID=69078514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910901770.6A Active CN110670440B (en) | 2019-09-23 | 2019-09-23 | Pavement structure applying super-viscous fiber wearing layer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110670440B (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201660822U (en) * | 2010-03-26 | 2010-12-01 | 长沙理工大学 | Anti-freezing and anti-sliding concrete pavement slab containing phase-change energy-storage materials |
| CN201826241U (en) * | 2010-09-17 | 2011-05-11 | 韩耀斌 | Low-carbon, energy-saving and environment-friendly road pavement |
| CN102425092A (en) * | 2011-09-22 | 2012-04-25 | 西安国琳实业股份有限公司 | Ultra-viscous seal coat on bituminous pavement and construction method thereof |
| CN204356612U (en) * | 2014-10-13 | 2015-05-27 | 吉林市城投筑路材料股份有限公司 | A kind of cracking resistance asphalt pavement structure |
| CN106007489A (en) * | 2016-05-23 | 2016-10-12 | 江苏天诺道路材料科技有限公司 | Super-viscose fiber wearing layer cold-mixed asphalt mixture and preventive maintenance method of asphalt pavement |
| CN206070280U (en) * | 2016-07-18 | 2017-04-05 | 广东南粤物流实业有限公司 | The road paving structure of multiple step format construction |
| KR101901619B1 (en) * | 2016-07-29 | 2018-10-01 | 주식회사 아름다운길 | construction methods of pervious pavement using one pack binder and pervious pavement thereby |
| CN208151793U (en) * | 2018-04-19 | 2018-11-27 | 四川科路泰交通科技有限公司 | A kind of asphalt pavement structure |
-
2019
- 2019-09-23 CN CN201910901770.6A patent/CN110670440B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN110670440A (en) | 2020-01-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107881858B (en) | Railway foundation bed surface layer structure and laying method thereof | |
| KR100965122B1 (en) | A construction process of water permeability pavement for bicycle | |
| CN201280677Y (en) | Improved ultrathin antiskid paving structure of epoxy resins | |
| CN202787044U (en) | Longitudinal crack treatment structure for bituminous concrete pavement | |
| CN204370308U (en) | The ultra-thin composite paved Rotating fields of a kind of Steel Bridge Deck polymer | |
| CN207749370U (en) | A kind of novel railway sub-grade surface structure | |
| CN103938514B (en) | A kind of cement pavement Darkening process structure and construction method | |
| CN204940030U (en) | Reconstruction and extension project new-old concrete bond Pavement mosaic structure | |
| CN102505641B (en) | Repair reinforcing structure of steel bridge deck and repair reinforcing method of repair reinforcing structure | |
| CN106835973A (en) | Fleece superhigh tenacity cement-base composite material combined bridge deck structure and method | |
| CN103696366B (en) | Pavement structure and pavement method of combined steel bridge deck | |
| CN103924495A (en) | Small and medium-sized steel bridge deck pavement system and implementation method | |
| CN107558324B (en) | A kind of Steel Fibre Concrete Pavement and its construction technology of tramcar and road usual friendship mouth | |
| CN110670440B (en) | Pavement structure applying super-viscous fiber wearing layer | |
| WO2020258631A1 (en) | Cement concrete bridge deck double-layer ac asphalt mixture paving structure and paving method | |
| CN210712414U (en) | Pavement structure applying super-viscous fiber wearing layer | |
| CN206477545U (en) | Floor structure | |
| CN216663671U (en) | Highway road surface pavement structure | |
| CN211498338U (en) | Cement asphalt concrete pavement structure | |
| CN108867369A (en) | Bridge deck pavement structure | |
| CN105603856B (en) | A kind of method of BRT stations Heavy Traffic section rapid-maintenance | |
| KR101028337B1 (en) | A high durable heating-type epoxy resin pavement mixture and construction process thereby | |
| CN101161938A (en) | Polyacrylonitrile fiber reinforcement micro surfacing | |
| CN211815250U (en) | Road widening roadbed splicing structure | |
| CN212103532U (en) | Continuous reinforced concrete composite pavement structure suitable for old pavement reconstruction |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhu Xiaobin Inventor after: Wang Jianwei Inventor after: Gao Xuekai Inventor after: Rong Yapeng Inventor after: Jing Pengxiang Inventor after: Zhang Xiaoqin Inventor after: Liu Junquan Inventor after: Xue Xiaowu Inventor after: Fu Guogang Inventor after: Bian Rui Inventor after: Zhang Junhao Inventor after: Zhao Jinfeng Inventor after: Meng Liqiang Inventor after: Li Hongbo Inventor after: Zhao Bowen Inventor after: Wang Xuepeng Inventor after: Deng Rui Inventor after: Guo Zhongjie Inventor before: Zhu Xiaobin Inventor before: Rong Yapeng Inventor before: Jing Pengxiang Inventor before: Zhang Xiaoqin Inventor before: Liu Junquan Inventor before: Xue Xiaowu Inventor before: Fu Guogang Inventor before: Bian Rui Inventor before: Zhang Junhao Inventor before: Zhao Jinfeng Inventor before: Zhao Bowen Inventor before: Wang Xuepeng Inventor before: Deng Rui Inventor before: Guo Zhongjie Inventor before: Wang Jianwei Inventor before: Gao Xuekai |
|
| CB03 | Change of inventor or designer information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |