CN108556561A - A kind of device reducing automotive hub windage - Google Patents
A kind of device reducing automotive hub windage Download PDFInfo
- Publication number
- CN108556561A CN108556561A CN201810261643.XA CN201810261643A CN108556561A CN 108556561 A CN108556561 A CN 108556561A CN 201810261643 A CN201810261643 A CN 201810261643A CN 108556561 A CN108556561 A CN 108556561A
- Authority
- CN
- China
- Prior art keywords
- wheel hub
- gas
- brake disc
- liquid
- fixedly connected
- 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.)
- Granted
Links
- 239000007788 liquid Substances 0.000 claims abstract description 50
- 238000006243 chemical reaction Methods 0.000 claims abstract description 37
- 230000006835 compression Effects 0.000 claims abstract description 10
- 238000007906 compression Methods 0.000 claims abstract description 10
- 230000003628 erosive effect Effects 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- 238000009835 boiling Methods 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000002207 thermal evaporation Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B19/00—Wheels not otherwise provided for or having characteristics specified in one of the subgroups of this group
- B60B19/10—Wheels not otherwise provided for or having characteristics specified in one of the subgroups of this group with cooling fins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T5/00—Vehicle modifications to facilitate cooling of brakes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D35/00—Vehicle bodies characterised by streamlining
- B62D35/008—Side spoilers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Braking Arrangements (AREA)
Abstract
The present invention relates to automotive field, specifically a kind of auxiliary device reducing automotive hub windage.It includes the wheel hub and brake disc of automobile, and the surface radial equipartition of the wheel hub has at least three pieces wheel hub blade, the both ends of the wheel hub blade to be respectively and fixedly provided with a swingle, and the swingle is mounted on wheel hub end housing in corresponding rotating hole；The wheel hub vane hinge is fixedly connected with the pressing plate in one end of compression bar, the other end of the compression bar；The pressing plate is fixedly connected with one end of mandril, and the other end of the mandril is fixedly connected with movable plate；The movable plate is mounted on by piston seal in the inner cavity of gas-liquid conversion cylinder；Gas-liquid conversion object is provided in the inner cavity of the gas-liquid conversion cylinder；It is provided with the mounting hole to match with gas-liquid conversion cylinder in the centre of surface position of wheel hub, the gas-liquid conversion cylinder is fixedly connected across mounting hole with brake disc.Design using the present invention can reduce resistance when running car, can also accelerate the radiating rate of brake disc when braking automobile.
Description
Technical field
The invention belongs to automotive fields, are a kind of auxiliary devices reducing automotive hub windage specifically.
Background technology
Automobile friction of brake block and brake disc in brake makes to have accumulated a large amount of heat on brake disc, and brake disc needs to the greatest extent
These fast heats distribute, and not so the brake disc in the condition of high temperature is highly susceptible to damage for a long time, and then influences vapour
The braking effect of vehicle.
Wheel hub is an important component of auto parts and components, has mutual corresponding bolt hole on wheel hub and brake disc,
Together with so that wheel hub is bolted with brake disc, wheel hub generally on the market has the hollow out of large area, stops in automobile
The wheel hub of hollow out contributes to air-flow by brake disc when vehicle, radiates to brake disc, reduces the temperature of brake disc.But it is logical to depend merely on nature
The radiating rate of wind is slow, and when need not brake in vehicle traveling process, and the hollow out of wheel hub will give the traveling band of automobile
Carry out resistance, and the travel speed of automobile is faster, the resistance brought by wheel hub is bigger, and automobile overcomes the energy that resistance is consumed
It is more.Especially when automobile on a highway when driving, the travel speed of automobile is fast, and the number of brake is few, the wheel of hollow out
The shortcomings that hub is brought is just more prominent.There is the automobile of some brands to match a dismountable totally enclosed lid to wheel hub,
In running car into loading onto lid before expressway, with energy saving, but dismounting takes time and effort in this way, and the lid after unloading also needs
It wants space to store, uses very inconvenient.
Invention content
Purpose of the present invention is to be intended to provide a kind of auxiliary device reducing automotive hub windage, make wheel hub in the brake of automobile
Hull temperature is low when need not radiate without ventilative engraved structure, reduces the running resistance of automobile, and in the brake of automobile
With ventilative engraved structure when disk temperature height needs to radiate, accelerate the radiating rate of brake disc.
To realize the above-mentioned technical purpose, the technical solution adopted by the present invention is as follows：
A kind of auxiliary device reducing automotive hub windage, includes the wheel hub and brake disc of automobile, and the surface of the wheel hub is radial
It is evenly equipped at least three pieces wheel hub blade, the both ends of the wheel hub blade are respectively and fixedly provided with a swingle, and the swingle is mounted on wheel hub
On end cap in corresponding rotating hole, under outer force effect, wheel hub blade can rotate in rotating hole makes wheel hub blade be in closing shape
State or opening state；The wheel hub vane hinge is in one end of compression bar；The other end of the compression bar and the base surface of pressing plate are solid
Fixed connection.
The base surface of the pressing plate is fixedly connected with one end of mandril, and the other end of the mandril and the top plate face of movable plate connect
It connects；The movable plate is mounted on by piston seal in the inner cavity of gas-liquid conversion cylinder, and movable plate can be in gas-liquid under outer force effect
It is moved up and down in the inner cavity of conversion cylinder, the liquid converted for gas-liquid is provided in the inner cavity of the gas-liquid conversion cylinder；In wheel hub
Centre of surface position be provided with the mounting hole to match with gas-liquid conversion cylinder, the gas-liquid conversion cylinder passes through mounting hole and brake disc
It is fixedly connected.
The present invention due to above-mentioned design advantageously：Brake disc temperature is low need not radiate when, wheel hub blade
It is closed, has sealed the hollow out on wheel hub, reduce the running resistance of automobile；When the temperature height of brake disc needs to radiate
When, among the heat transfer to gas-liquid conversion cylinder of brake disc, so that gas-liquid conversion object is moved by thermal evaporation promotions mandril, by thermal energy turn
Kinetic energy has been turned to, the dissipation of heat is accelerated, on the other hand, the movement of mobile mandril energy band dynamic pressure plate, and then by wheel hub blade
It opens, so that brake disc is divulged information, accelerate the radiating rate of brake disc.
Description of the drawings
The present invention can be further illustrated by the nonlimiting examples that attached drawing provides；
Fig. 1 is structural schematic diagram when wheel hub blade of the present invention is opened；
Fig. 2 is structural schematic diagram when wheel hub blade of the present invention is closed；
Fig. 3 is the sectional view of the present invention；
Fig. 4 is the structural schematic diagram of the wheel hub blade of the present invention；
Main element symbol description is as follows：
1, wheel hub；2, brake disc；3, wheel hub blade；4, swingle；5, compression bar；6, pressing plate；7, mandril；8, movable plate；9, gas-liquid
Conversion cylinder；10, connection sheet；11, connecting hole；12, erosion control top plate；13, spring.
Specific implementation mode
In order to make those skilled in the art that the present invention may be better understood, with reference to the accompanying drawings and examples to this hair
Bright technical solution further illustrates.
With reference to attached drawing 1-4：A kind of auxiliary device reducing automotive hub windage, includes the wheel hub 1 and brake disc 2 of automobile,
Wherein：The surface radial equipartition of wheel hub 1 has at least three pieces wheel hub blade 3, the both ends of the wheel hub blade 3 to be respectively and fixedly provided with a swingle
4, which is mounted on wheel hub end housing 1 in corresponding rotating hole, and under outer force effect, wheel hub blade 3 can turn in rotating hole
It is dynamic to keep wheel hub blade 3 in the open state or closed state；Above-mentioned hub blade 3 is hinged on one end of compression bar 5, the compression bar 5
The other end is fixedly connected with the base surface of pressing plate 6；
The base surface of above-mentioned pressing plate 6 is fixedly connected with one end of mandril 7, which is one side of the pressing plate 6 towards wheel hub；The mandril
7 other end is fixedly connected with 8 top plate face of movable plate；The movable plate 8 is mounted on gas-liquid conversion cylinder 9 by piston seal
In inner cavity, movable plate 8 can move up and down in the inner cavity of gas-liquid conversion cylinder 9 under outer force effect, the inner cavity of the gas-liquid conversion cylinder 9
In be provided with the liquid converted for gas-liquid, such as water；It is provided in the centre of surface position of wheel hub 1 and matches with gas-liquid conversion cylinder 9
Mounting hole, which is fixedly connected across mounting hole with brake disc 2.The embodiment is relatively low not in 2 temperature of brake disc
When needing heat dissipation, wheel hub blade 3 is in closed state, and when 2 temperature height of brake disc needs heat dissipation, gas-liquid conversion cylinder 9 can incite somebody to action
Thermal energy on brake disc 2 is converted into mechanical energy, and simultaneously opens wheel hub blade 3, accelerates the radiating rate of brake disc 2.
In order to facilitate the connection of gas-liquid conversion cylinder 9 and brake disc 2, in above-described embodiment, preferably：In gas-liquid conversion cylinder 9
Bottom surface be fixed with connection sheet 10, connecting hole corresponding with the bolt hole on brake disc 2 11 is provided in the connection sheet 10；The company
Contact pin 10 is bolted between brake disc 2 and wheel hub 1.
Movable plate 8 goes out gas-liquid conversion cylinder 9 because unexpected in order to prevent, in above-described embodiment, preferably：It is converted in gas-liquid
The top surface of cylinder 9 is fixed with erosion control top plate 12, and the surface of the erosion control top plate 12 is provided with the opening passed through for mandril 7.
In order to facilitate the closure of wheel hub blade 3, in above-described embodiment, preferably：It is set between erosion control top plate 13 and pressing plate 4
It sets there are one spring, the top plate face of the erosion control top plate 12 is fixedly connected with one end of spring 13, the other end and pressure of the spring 13
The base surface of plate 6 is fixedly connected, and the diameter of 13 inner cavity of spring is more than the diameter of mandril 7, is in wheel hub blade and is closed shape
When state, the distance between the floor of pressing plate 6 and the top plate face of erosion control top plate 12 are just equal to the length of spring 13.
In order to enable the heat on brake disc 2 to transmit faster, in above-described embodiment, preferably：Gas-liquid conversion cylinder 9 and company
Contact pin 10 is made of copper.
In order to keep the conversion that gas-liquid converts object more timely, in above-described embodiment, preferably：Gas-liquid conversion cylinder（9）'s
Be arranged in inner cavity for gas-liquid conversion liquid boiling point between 95 DEG C to 105 DEG C, in the present embodiment with water as with
In the liquid of gas-liquid conversion.
In order to keep the ventilation of brake disc 2 more abundant, in above-described embodiment, preferably：The quantity of wheel hub blade 3 is arranged
It is 8.
A kind of auxiliary device reducing automotive hub windage designed by the invention works in this way：In brake disc 2
When temperature is relatively low to radiate, wheel hub blade 3 is closed；In braking automobile, the friction of brake block and brake disc 2
The temperature of brake disc 2 can be made to increase rapidly, brake disc 2 can transfer heat to connection sheet 10, be fixed as one with connection sheet 10
The temperature of gas-liquid conversion cylinder 9 increased because of the transmission of heat, the gas-liquid conversion object in gas-liquid conversion cylinder 9 gasifies because heated
And then movable plate 8 is pushed to move, the movement of movable plate 8 is moved by the transfer tape dynamic pressure plate 6 of mandril 7, and the movement of pressing plate 6 passes through
Wheel hub blade 3 is opened in the transmission of compression bar 5, and then gives 2 ventilation and heat of brake disc.
As yet another aspect, heat-resisting telescoping tube may be used to replace in gas-liquid conversion cylinder 9, the outside end seal of telescoping tube
Movable plate is closed and is fixedly connected, the inside side of telescoping tube is connected to by heat pipe on brake disc 2, and closing is suitable inside telescoping tube
The water of amount.
Above to it is provided by the invention it is a kind of reduce automotive hub windage auxiliary device be described in detail.It is specific real
The explanation for applying example is merely used to help understand the method and its core concept of the present invention.It should be pointed out that for the art
For those of ordinary skill, without departing from the principle of the present invention, can with several improvements and modifications are made to the present invention,
These improvement and modification are also fallen within the protection scope of the claims of the present invention.
Claims (7)
1. a kind of auxiliary device reducing automotive hub windage, includes the wheel hub of automobile（1）And brake disc（2）, it is characterised in that：
The wheel hub（1）Surface radial equipartition have at least three pieces wheel hub blade（3）, the wheel hub blade（3）Both ends be respectively and fixedly provided with one
Swingle（4）, the swingle（4）Mounted on wheel hub end housing（1）In upper corresponding rotating hole, under outer force effect, wheel hub blade
（3）It can be rotated in rotating hole；The wheel hub blade（3）It is hinged on compression bar（5）One end, the compression bar（5）The other end with
Pressing plate（6）Base surface be fixedly connected；
The pressing plate（6）Base surface and mandril（7）One end be fixedly connected, the mandril（7）The other end and movable plate（8）'s
Top plate face is fixedly connected；The movable plate（8）It is mounted on gas-liquid conversion cylinder by piston seal（9）Inner cavity in, outer masterpiece
With lower movable plate（8）It can be in gas-liquid conversion cylinder（9）Inner cavity in move up and down, the gas-liquid conversion cylinder（9）Inner cavity in be arranged
It is useful for the liquid of gas-liquid conversion；In wheel hub（1）Centre of surface position be provided with and gas-liquid conversion cylinder（9）The installation to match
Hole, the gas-liquid conversion cylinder（9）Across mounting hole and brake disc（2）It is fixedly connected.
2. a kind of auxiliary device reducing automotive hub windage according to claim 1, it is characterised in that：The gas-liquid turns
Change cylinder（9）Bottom surface be fixed with connection sheet（10）, the connection sheet（10）On be provided with and brake disc（2）On bolt hole it is corresponding
Connecting hole（11）；The connection sheet（10）It is bolted on brake disc（2）And wheel hub（1）Between.
3. a kind of auxiliary device reducing automotive hub windage according to claim 1, it is characterised in that：The gas-liquid turns
Change cylinder（9）Top surface be fixed with erosion control top plate（10）, the erosion control top plate（12）Surface be provided with for mandril（7）What is passed through opens
Mouthful.
4. a kind of auxiliary device reducing automotive hub windage according to claim 1 or 3, it is characterised in that：It is described anti-
It rushes to summit plate（12）Top surface and spring（13）One end be fixedly connected, the spring（13）The other end and pressing plate（6）Bottom surface
It is fixedly connected, and the spring（13）The diameter of inner cavity is more than mandril（7）Diameter.
5. a kind of auxiliary device reducing automotive hub windage according to claim 1, it is characterised in that：The gas-liquid turns
Change cylinder（9）And connection sheet（10）It is made of copper.
6. a kind of auxiliary device reducing automotive hub windage according to claim 1, it is characterised in that：The gas-liquid turns
Change cylinder（9）Inner cavity in be arranged for gas-liquid conversion liquid boiling point between 95 DEG C to 105 DEG C.
7. a kind of auxiliary device reducing automotive hub windage according to claim 1, it is characterised in that：The wheel hub leaf
Piece（3）Quantity be 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810261643.XA CN108556561B (en) | 2018-03-28 | 2018-03-28 | Device for reducing wind resistance of automobile hub |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810261643.XA CN108556561B (en) | 2018-03-28 | 2018-03-28 | Device for reducing wind resistance of automobile hub |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108556561A true CN108556561A (en) | 2018-09-21 |
| CN108556561B CN108556561B (en) | 2020-04-21 |
Family
ID=63533100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810261643.XA Active CN108556561B (en) | 2018-03-28 | 2018-03-28 | Device for reducing wind resistance of automobile hub |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108556561B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110254127A (en) * | 2019-07-05 | 2019-09-20 | 上汽通用汽车有限公司 | A kind of wheel, control method, electronic equipment and automobile |
| CN111559201A (en) * | 2020-05-22 | 2020-08-21 | 福建申利卡铝业发展有限公司 | Novel closed or semi-closed type wheel hub |
| CN111776116A (en) * | 2020-06-04 | 2020-10-16 | 解永安 | Automatic speed reduction safety wheel for children's vehicle |
| CN111907489A (en) * | 2020-09-08 | 2020-11-10 | 周俊 | Unpowered automatic heat dissipation device of automobile braking system |
| CN112009166A (en) * | 2020-08-25 | 2020-12-01 | 的卢技术有限公司 | Wheel hub capable of adjusting wheel spokes and adjusting method |
| EP3848208A1 (en) * | 2020-01-02 | 2021-07-14 | Ronal AG | Wheel |
| WO2022029241A1 (en) | 2020-08-06 | 2022-02-10 | Brembo Sgl Carbon Ceramic Brakes Gmbh | Externally ventilated rotor |
| CN114290852A (en) * | 2021-12-31 | 2022-04-08 | 重庆金康赛力斯新能源汽车设计院有限公司 | Low wind resistance wheel and car |
| CN115674951A (en) * | 2022-12-29 | 2023-02-03 | 江苏彼尔汽车部件有限公司 | Stable radiating automobile wheel hub that leads |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111559200B (en) * | 2020-05-22 | 2021-10-08 | 福建申利卡铝业发展有限公司 | Good heat dissipation's wheel hub |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH042502A (en) * | 1990-04-17 | 1992-01-07 | Toyoda Gosei Co Ltd | Wheel cap |
| CN103347707A (en) * | 2011-02-07 | 2013-10-09 | 奥迪股份公司 | Vehicle wheel |
| CN203805616U (en) * | 2014-04-18 | 2014-09-03 | 吉林万丰奥威汽轮有限公司 | High-radiating automobile hub |
| CN106881990A (en) * | 2017-03-01 | 2017-06-23 | 重庆交通大学 | One kind radiating drag reduction formula wheel optimized structure |
-
2018
- 2018-03-28 CN CN201810261643.XA patent/CN108556561B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH042502A (en) * | 1990-04-17 | 1992-01-07 | Toyoda Gosei Co Ltd | Wheel cap |
| CN103347707A (en) * | 2011-02-07 | 2013-10-09 | 奥迪股份公司 | Vehicle wheel |
| CN203805616U (en) * | 2014-04-18 | 2014-09-03 | 吉林万丰奥威汽轮有限公司 | High-radiating automobile hub |
| CN106881990A (en) * | 2017-03-01 | 2017-06-23 | 重庆交通大学 | One kind radiating drag reduction formula wheel optimized structure |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110254127A (en) * | 2019-07-05 | 2019-09-20 | 上汽通用汽车有限公司 | A kind of wheel, control method, electronic equipment and automobile |
| EP3848208A1 (en) * | 2020-01-02 | 2021-07-14 | Ronal AG | Wheel |
| CN111559201A (en) * | 2020-05-22 | 2020-08-21 | 福建申利卡铝业发展有限公司 | Novel closed or semi-closed type wheel hub |
| CN111559201B (en) * | 2020-05-22 | 2021-11-02 | 福建申利卡铝业发展有限公司 | Closed or semi-closed wheel hub |
| CN111776116A (en) * | 2020-06-04 | 2020-10-16 | 解永安 | Automatic speed reduction safety wheel for children's vehicle |
| CN111776116B (en) * | 2020-06-04 | 2021-06-15 | 山东光明园迪儿童家具科技有限公司 | Automatic speed reduction safety wheel for children's vehicle |
| DE102020209964A1 (en) | 2020-08-06 | 2022-02-10 | Brembo Sgl Carbon Ceramic Brakes Gmbh | Externally ventilated rotor |
| WO2022029241A1 (en) | 2020-08-06 | 2022-02-10 | Brembo Sgl Carbon Ceramic Brakes Gmbh | Externally ventilated rotor |
| CN112009166A (en) * | 2020-08-25 | 2020-12-01 | 的卢技术有限公司 | Wheel hub capable of adjusting wheel spokes and adjusting method |
| CN111907489A (en) * | 2020-09-08 | 2020-11-10 | 周俊 | Unpowered automatic heat dissipation device of automobile braking system |
| CN111907489B (en) * | 2020-09-08 | 2024-05-28 | 周俊 | Unpowered automatic heat dissipation device of automobile braking system |
| CN114290852A (en) * | 2021-12-31 | 2022-04-08 | 重庆金康赛力斯新能源汽车设计院有限公司 | Low wind resistance wheel and car |
| CN114290852B (en) * | 2021-12-31 | 2024-04-09 | 重庆赛力斯新能源汽车设计院有限公司 | Low-windage wheel and automobile |
| CN115674951A (en) * | 2022-12-29 | 2023-02-03 | 江苏彼尔汽车部件有限公司 | Stable radiating automobile wheel hub that leads |
| CN115674951B (en) * | 2022-12-29 | 2023-09-29 | 江苏彼尔汽车部件有限公司 | Stable-guiding heat-dissipation automobile hub |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108556561B (en) | 2020-04-21 |
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Effective date of registration: 20200327 Address after: 325000 147 Nanhui Road, Nanhui District, Lucheng, Wenzhou, Zhejiang Applicant after: Chen Jian Address before: 646500 No. 102, Building 6, 39 Jinlan Road, Gulin Town, Gulin County, Luzhou City, Sichuan Province Applicant before: Wu Shuang |
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