CN109050156B - Heat dissipation roller for carrier vehicle and carrier vehicle - Google Patents
Heat dissipation roller for carrier vehicle and carrier vehicle Download PDFInfo
- Publication number
- CN109050156B CN109050156B CN201811021435.9A CN201811021435A CN109050156B CN 109050156 B CN109050156 B CN 109050156B CN 201811021435 A CN201811021435 A CN 201811021435A CN 109050156 B CN109050156 B CN 109050156B
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- Prior art keywords
- spoke
- reinforcing ring
- air
- blast
- plates
- 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.)
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 19
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 45
- 238000009423 ventilation Methods 0.000 claims description 24
- 238000007664 blowing Methods 0.000 claims description 10
- 230000001965 increasing effect Effects 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 238000005452 bending Methods 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 10
- DOSMHBDKKKMIEF-UHFFFAOYSA-N 2-[3-(diethylamino)-6-diethylazaniumylidenexanthen-9-yl]-5-[3-[3-[4-(1-methylindol-3-yl)-2,5-dioxopyrrol-3-yl]indol-1-yl]propylsulfamoyl]benzenesulfonate Chemical compound C1=CC(=[N+](CC)CC)C=C2OC3=CC(N(CC)CC)=CC=C3C(C=3C(=CC(=CC=3)S(=O)(=O)NCCCN3C4=CC=CC=C4C(C=4C(NC(=O)C=4C=4C5=CC=CC=C5N(C)C=4)=O)=C3)S([O-])(=O)=O)=C21 DOSMHBDKKKMIEF-UHFFFAOYSA-N 0.000 description 7
- 238000005422 blasting Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 241000883990 Flabellum Species 0.000 description 1
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 241000276425 Xiphophorus maculatus Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000005728 strengthening 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tires In General (AREA)
Abstract
The invention discloses a heat dissipation roller for a bearing vehicle, which comprises a wheel hub and a tire, wherein the wheel hub comprises a circular rim, a spoke is arranged on the inner side of the rim, a circular reinforcing ring protruding out of the surface of the spoke is arranged at the central position of the spoke, a plurality of divergent air blast plates are arranged on the inner side of the circular reinforcing ring and pass through the wheel shaft, a vent hole is arranged on the spoke between every two air blast plates, a circulation area of air is formed among the rim, two adjacent air blast plates and the circular reinforcing ring, the two circulation areas are connected through the vent hole, and a mixed flow area of air is formed among the vent hole.
Description
Technical Field
The invention relates to the field of automobiles, in particular to a heat dissipation roller for a carrier vehicle and the carrier vehicle.
Background
During the running of the vehicle, a tire burst may occur due to the road surface or the vehicle itself. After the tire burst, the tire instantaneously loses air pressure, and the tire wall contracts inwards. If the vehicle continues to run, the balance of the vehicle is lost, and the vehicle turns to the tire burst side when serious, so that traffic accidents are extremely easy to cause. After the automobile is burst, the spare tire is often replaced to drive the automobile to a repair point, and the burst of the automobile is repaired or replaced.
The prior art developed a carrier, the device includes the support, and the side of support is provided with roller assembly, and roller assembly includes preceding gyro wheel and back gyro wheel, and the front end of support is provided with preceding layer board, and the rear end of support is provided with back layer board, and preceding layer board coupling is in the front axle, and back layer board coupling is in the back axle, and the car is after blowing out from the front layer board to the support top and fix between preceding layer board and back layer board. The front supporting plate has a straight state and a tilting state, and ground grabbing teeth are arranged below the front supporting plate. When in a straight state, the ground grabbing teeth are in contact with the ground, so that the ground grabbing effect is achieved, the whole front supporting plate is supported, the front supporting plate is separated from the ground, the tires can be firmly grabbed on the ground in the process of moving into the carrier, and the auxiliary device is prevented from slipping.
The disadvantages of the prior art are: the size of the roller is far smaller than that of an automobile tire, when the automobile runs at a certain speed, the friction strength of the roller and the ground is far greater than that of the automobile tire and the ground, so that the roller can generate heat very much when the bearing vehicle is used, and the tire is extremely easy to damage under the double action of the dead weight of the automobile.
Disclosure of Invention
The invention aims to solve the technical problem of providing a heat dissipation roller with good heat dissipation performance for a carrier vehicle and the carrier vehicle. According to the invention, the circulation area of air is formed among the vent hole, the rim, the two adjacent air blowing plates and the circular reinforcing ring, and the mixed flow area of air is formed in the vent hole, so that the flow of air is enhanced, the heat dissipation speed of the hub is increased, and the cooling of the tire is realized.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a heat dissipation gyro wheel for bearing on car, includes wheel hub and tire, and wheel hub includes circular rim, and the inboard of rim is provided with the spoke, and its characterized in that spoke's central point puts and is provided with the circular reinforcing ring that outstanding spoke surface, and the inboard of circular reinforcing ring is the centre bore that can supply the shaft to pass, the both sides of spoke be provided with a plurality of blast plates that are the divergence form, circular reinforcing ring is connected to the one end of blast plate, and the rim is connected to the other end, is provided with the ventilation hole on the spoke between every two blast plates, has formed the circulation area of an air between rim, two adjacent blast plates and the circular reinforcing ring, and two circulation areas are connected through the ventilation hole, have formed the mixed flow area of air in the ventilation hole.
The invention further preferably comprises the following steps: the plate-shaped structure is in a straight plate shape.
The invention further preferably comprises the following steps: the wind blowing plate is in a fan blade shape, the bending amplitude of the wind blowing plate is gradually increased from the middle to the periphery, and the direction of the fan blade opening of the wind blowing plate is consistent with the movement direction of the bearing vehicle.
The invention further preferably comprises the following steps: six air blast plates are respectively arranged on two sides of the spoke.
The invention further preferably comprises the following steps: the blast plates are uniformly distributed on the surfaces of the spokes.
The invention further preferably comprises the following steps: the inner wall of the reinforcing ring is provided with a bearing, and the tire is a solid rubber tire.
The invention further preferably comprises the following steps: the height of the protruding spoke surface of the circular reinforcing ring is larger than the height of the blast plate.
The utility model provides a bear car, includes the support, the side of support is provided with roller assembly, the front end of support is provided with front axle and preceding layer board, the rear end of support is provided with rear axle and back layer board, preceding layer board coupling is in the front axle, back layer board coupling is in the rear axle, roller assembly includes a plurality of gyro wheels, the gyro wheel includes tire and wheel hub, wheel hub includes circular rim, the inboard of rim is provided with the spoke, its characterized in that the central point of spoke put and be provided with the circular reinforcing ring on outstanding spoke surface, the inboard of circular reinforcing ring is the centre bore that can supply the shaft to pass, the both sides of spoke be provided with a plurality of blast plates that are the form of dispersing, circular reinforcing ring is connected to the one end of blast plate, the rim is connected to the other end, be provided with the ventilation hole on the spoke between every two blast plates, the rim, two adjacent blast plates and circular reinforcing ring between formed an air circulation region, two circulation regions are connected through the ventilation hole, have formed mixed flow region in the ventilation hole.
The invention further preferably comprises the following steps: six air blowing plates are respectively arranged on two sides of the spoke; the blast plates are uniformly distributed on the surfaces of the spokes; the inner wall of the reinforcing ring is provided with a bearing; the height of the protruding spoke surface of the circular reinforcing ring is larger than the height of the blast plate.
According to the invention, the circular reinforcing ring, the divergent air blowing plates and the ventilation openings are arranged in the center of the spoke, so that an air circulation area is formed among the rim, the two adjacent air blowing plates and the circular reinforcing ring, the two circulation areas are connected through the ventilation openings, an air mixing area is formed in the ventilation openings, the circulation area enhances the air circulation of a single side of the hub, the air circulation in the ventilation openings is enhanced by the mixing area, and the circulation area and the mixing area are mutually matched to increase the heat dissipation speed of the hub and realize the cooling of the hub.
Drawings
FIG. 1 is a perspective view of a heat dissipation roller according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a heat dissipation roller according to an embodiment of the invention;
FIG. 3 is a perspective view of the vehicle of the present invention;
FIG. 4 is a schematic diagram of a prior art structure;
FIG. 5 is a perspective view of a heat dissipation roller according to a second embodiment of the present invention;
fig. 6 is a schematic structural diagram of a heat dissipation roller according to an embodiment of the invention.
Detailed Description
The invention is described in further detail below with reference to the embodiments of the drawings.
As shown in fig. 4, the roller of the prior art comprises a hub 15 comprising a rim 1 and a web 2, and a tyre 14, the web 2 being provided in its central position with a central hole 4 through which a wheel axle 16 can pass. The hub structure of the prior art is simpler, but the surface of the hub cannot form effective convection, so that the heat dissipation effect is poor, the temperature of the hub is too high, and the normal use of the bearing vehicle is influenced.
Embodiment one: as shown in fig. 1-2, a heat dissipating roller for use on a vehicle comprises a hub 15 and a tire 14, wherein the hub 12 comprises a circular rim 1, a spoke 2 is provided on the inner side of the rim 1, a circular reinforcing ring 3 protruding from the surface of the spoke 2 is provided on the center of the spoke 2, and the circular reinforcing ring 3 is used for enhancing the fixing effect between the hub and a wheel axle 16. The inside of circular reinforcing ring 3 is for the centre bore 4 that can supply shaft 16 to pass, the both sides of spoke 2 be provided with a plurality of blasting plates 5 that are the divergence form, blasting plates 5 are straight platy, circular reinforcing ring 3 is connected to one end of blasting plates 5, rim 1 is connected to the other end, be provided with ventilation hole 6 on every spoke 2 between two blasting plates 5, ventilation hole 6 is used for circulating air on the one hand, on the other hand is used for increasing the radiating area, reinforcing radiating effect. The circular flow area 7 of an air is formed among the rim 1, two adjacent air blast plates 5 and the circular reinforcing ring 3, the two circular flow areas 7 are connected through the vent hole 6, the mixed flow area 8 of the air is formed in the vent hole 6, the circular flow areas on two sides of the spoke drive the air circulation of the mixed flow area, and the heat dissipation effect of the air is greatly enhanced. Six air blast plates 5 are respectively arranged on two sides of the spoke 2. The air blast plates 5 are uniformly distributed on the surface of the spoke 2. The inner wall of the circular reinforcing ring 3 is provided with a bearing 9. The bearing 9 makes the rotation of the hub smoother, and the height of the circular reinforcing ring 3 protruding out of the surface of the spoke 2 is larger than that of the blast plate 5. The tire 14 is a solid rubber tire.
The following table is data measured at actual use of the tire of example one and the hub of the tire of the prior art:
embodiment two:
as shown in fig. 5-6, the first construction and embodiment are substantially identical, except that: the both sides of spoke 2 are provided with a plurality of blast air boards 5 that are the divergence form, and blast air board 5 is the flabellum form, and circular strengthening ring 3 is connected to the one end of blast air board 5, and rim 1 is connected to the other end, is provided with ventilation hole 6 on the spoke 2 between every two blast air boards 5, and ventilation hole 6 is used for ventilation air on the one hand, and on the other hand is used for increasing heat radiating area, reinforcing radiating effect. The circular flow area 7 of an air is formed among the rim 1, two adjacent air blast plates 5 and the circular reinforcing ring 3, the two circular flow areas 7 are connected through the vent hole 6, the mixed flow area 8 of the air is formed in the vent hole 6, the circular flow areas on two sides of the spoke drive the air circulation of the mixed flow area, and the heat dissipation effect of the air is greatly enhanced. Six air blast plates 5 are respectively arranged on two sides of the spoke 2. The air blast plates 5 are uniformly distributed on the surface of the spoke 2. When the fan-shaped blast plate rotates on the roller, stronger air flow can be generated in the circulation area 7 due to the semi-surrounding structure of the blast plate, and the flow speed is greatly increased, so that the air flow in the mixed flow area 8 is driven to be further accelerated, and the effect of enhancing the heat dissipation effect is achieved. The air blast plate 5 is in a fan blade shape, the bending amplitude of the air blast plate 5 is gradually increased from the middle to the periphery, and the direction of the fan blade opening of the air blast plate 5 is consistent with the movement direction of the bearing vehicle. The wind speed direction is opposite to the running direction of the bearing vehicle, and the fan blades are opposite to the wind speed flowing direction, so that the fan blades can drive larger wind power, and the heat dissipation effect is enhanced.
The following table is data measured at actual use of the tire of example two and the hub of the tire of the prior art:
| speed of speed | 40km/h | 50km/h | 60km/h |
| The invention is that | 55 | 70 | 90 |
| Prior Art | 79 | 99 | 115 |
As shown in fig. 3, a carrier vehicle comprises a support 10, a roller assembly is arranged on the side of the support 10, a front shaft (not shown in the drawing) and a front supporting plate 11 are arranged at the front end of the support 10, a rear shaft (not shown in the drawing) and a rear supporting plate 12 are arranged at the rear end of the support 10, the front supporting plate 11 is connected with the front shaft in a shaft mode, the rear supporting plate 12 is connected with the rear shaft in a shaft mode, the roller assembly comprises a plurality of rollers 13, the rollers 13 comprise tires 14 and hubs 15, the hubs 15 comprise circular rims 1, spokes 2 are arranged on the inner sides of the rims 1, circular reinforcing rings 3 protruding out of the surfaces of the spokes are arranged on the central positions of the spokes 2, a plurality of air blast plates 5 which are in a divergent mode are arranged on the two sides of the spokes 2, one ends of the air blast plates 5 are connected with the circular reinforcing rings 3, ventilation holes 6 are formed in the spokes 2 between each two air blast plates 5, a circular air circulation area 8 is formed between the adjacent two air blast plates 5 and the circular reinforcing rings 3, and the two areas 8 are connected with ventilation holes 8 through the ventilation holes 6. Six air blowing plates 5 are respectively arranged on two sides of the spoke 2; the blast plates 5 are uniformly distributed on the surface of the spoke 2. The inner wall of the round reinforcing ring 3 is provided with a bearing 9; the height of the circular reinforcing ring 3 protruding out of the surface of the spoke 2 is larger than the height of the blast plate 5. The tire 14 is a solid rubber tire that is relatively wear and heat resistant as compared to a hollow tire.
The diameter of the hub is 112mm, the thickness of the tire is 10mm, the width of the tire is 54mm, the height of the blast plate is 11mm, the thickness of the blast plate is 3mm, and the diameter of the vent hole is 11mm.
The foregoing has outlined rather broadly the principles and embodiments of the present invention in order that the detailed description of the invention that follows may be better understood, and in order that the present invention may be better understood. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the invention can be made without departing from the principles of the invention and these modifications and adaptations are intended to be within the scope of the invention as defined in the following claims.
Claims (6)
1. The utility model provides a heat dissipation gyro wheel for on bearing vehicle, includes wheel hub and tire, and the wheel hub includes circular rim, and the inboard of rim is provided with the spoke, and its characterized in that the central point of spoke puts the circular reinforcing ring that is provided with outstanding spoke surface, and the inboard of circular reinforcing ring is the centre bore that can supply the shaft to pass, the both sides of spoke be provided with a plurality of blast plates that are the divergence form, circular reinforcing ring is connected to one end of blast plate, and the rim is connected to the other end, is provided with the ventilation hole on the spoke between every two blast plates, has formed the circulation area of an air between rim, two adjacent blast plates and the circular reinforcing ring, and two circulation areas are connected through the ventilation hole, have formed the mixed flow area of air in the ventilation hole; the air blast plate is in a fan blade shape, the bending amplitude of the air blast plate is gradually increased from the middle to the periphery, and the direction of the fan blade opening of the air blast plate is consistent with the movement direction of the carrier vehicle; six air blast plates are respectively arranged on two sides of the spoke.
2. A heat dissipating roller for a vehicle according to claim 1, wherein said blast plates are uniformly distributed on the surface of the spokes.
3. The heat dissipating roller for use in a vehicle as set forth in claim 1, wherein said circular reinforcing ring has bearings provided on an inner wall thereof, and said tire is a solid rubber tire.
4. A heat dissipating roller for use in a vehicle as set forth in claim 1, wherein said circular reinforcing ring projects beyond the spoke surface by a height greater than the height of the blast plate.
5. A heat dissipating roller for a vehicle according to claim 1, wherein the hub has a diameter of 112mm, a tire thickness of 10mm, a tire width of 54mm, a blast plate height of 11mm, a blast plate thickness of 3mm, and a vent diameter of 11mm.
6. The utility model provides a bear car, includes the support, the side of support is provided with roller assembly, the front end of support is provided with front axle and front layer board, the rear end of support is provided with rear axle and rear layer board, front layer board coupling is in the front axle, rear layer board coupling is in the rear axle, roller assembly includes a plurality of gyro wheels, the gyro wheel includes tire and wheel hub, the wheel hub includes circular rim, the inboard of rim is provided with the spoke, the central point of spoke put and be provided with the circular reinforcing ring on outstanding spoke surface, the inboard of circular reinforcing ring is the centre bore that can supply the shaft to pass, the both sides of spoke be provided with a plurality of blast plates that are the divergence form, circular reinforcing ring is connected to one end of blast plate, the rim is connected to the other end, be provided with the ventilation hole on the spoke between every two blast plates, the rim, adjacent two blast plates and circular reinforcing ring between have formed the circulation area of an air, two circulation areas are connected through the ventilation hole, the mixed flow area of air has been formed in the ventilation hole; the air blast plate is in a fan blade shape, the bending amplitude of the air blast plate is gradually increased from the middle to the periphery, and the direction of the fan blade opening of the air blast plate is consistent with the movement direction of the carrier vehicle; six air blowing plates are respectively arranged on two sides of the spoke; the blast plates are uniformly distributed on the surfaces of the spokes; the inner wall of the round reinforcing ring is provided with a bearing; the height of the protruding spoke surface of the circular reinforcing ring is larger than the height of the blast plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811021435.9A CN109050156B (en) | 2018-09-03 | 2018-09-03 | Heat dissipation roller for carrier vehicle and carrier vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811021435.9A CN109050156B (en) | 2018-09-03 | 2018-09-03 | Heat dissipation roller for carrier vehicle and carrier vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109050156A CN109050156A (en) | 2018-12-21 |
| CN109050156B true CN109050156B (en) | 2023-12-22 |
Family
ID=64759514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811021435.9A Active CN109050156B (en) | 2018-09-03 | 2018-09-03 | Heat dissipation roller for carrier vehicle and carrier vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109050156B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110667306A (en) * | 2019-08-30 | 2020-01-10 | 武汉理工大学 | Small-diameter high-speed wheel device of unmanned system test platform false vehicle |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4280736A (en) * | 1979-05-24 | 1981-07-28 | Raudman Charles J | Vehicle wheel |
| JP2001138704A (en) * | 1999-11-16 | 2001-05-22 | Ntn Corp | Bearing device for driven wheel |
| CA2477910A1 (en) * | 2003-08-28 | 2005-02-28 | Jose Henrique Bonaldi | A wheel and a wheel rim |
| CN101362418A (en) * | 2008-09-27 | 2009-02-11 | 浙江绿源电动车有限公司 | End cover of electric vehicle wheel hub |
| CN104002611A (en) * | 2014-06-16 | 2014-08-27 | 重庆红旗杰勋车轮有限公司 | Novel automobile hub |
| CN104786729A (en) * | 2015-03-19 | 2015-07-22 | 安徽珩业车轮有限公司 | Reinforced cooling type vehicle hub |
| CN207173166U (en) * | 2017-09-08 | 2018-04-03 | 安徽欣普诺碳纤维科技有限公司 | A kind of high-temperature resistance carbon fiber bicycle rim and bicycle |
| CN208946986U (en) * | 2018-09-03 | 2019-06-07 | 宁波新山河电子科技有限公司 | A kind of heat dissipation idler wheel and carrying vehicle on carrying vehicle |
-
2018
- 2018-09-03 CN CN201811021435.9A patent/CN109050156B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4280736A (en) * | 1979-05-24 | 1981-07-28 | Raudman Charles J | Vehicle wheel |
| JP2001138704A (en) * | 1999-11-16 | 2001-05-22 | Ntn Corp | Bearing device for driven wheel |
| CA2477910A1 (en) * | 2003-08-28 | 2005-02-28 | Jose Henrique Bonaldi | A wheel and a wheel rim |
| CN101362418A (en) * | 2008-09-27 | 2009-02-11 | 浙江绿源电动车有限公司 | End cover of electric vehicle wheel hub |
| CN104002611A (en) * | 2014-06-16 | 2014-08-27 | 重庆红旗杰勋车轮有限公司 | Novel automobile hub |
| CN104786729A (en) * | 2015-03-19 | 2015-07-22 | 安徽珩业车轮有限公司 | Reinforced cooling type vehicle hub |
| CN207173166U (en) * | 2017-09-08 | 2018-04-03 | 安徽欣普诺碳纤维科技有限公司 | A kind of high-temperature resistance carbon fiber bicycle rim and bicycle |
| CN208946986U (en) * | 2018-09-03 | 2019-06-07 | 宁波新山河电子科技有限公司 | A kind of heat dissipation idler wheel and carrying vehicle on carrying vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109050156A (en) | 2018-12-21 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20231129 Address after: No. 281, Huanghe West Road, Xuejia Town, Xinbei District, Changzhou City, Jiangsu Province Applicant after: Changzhou Jingheng Precision Machinery Technology Co.,Ltd. Address before: 315040 4-1-32 033, 2 building, 15 Lane 587, Ju Xian Road, hi tech Zone, Ningbo, Zhejiang. Applicant before: NINGBO XINSHANHE ELECTRONIC TECHNOLOGY CO.,LTD. |
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Effective date of registration: 20240606 Address after: 269 Huifu Street, Fushan District, Yantai City, Shandong Province, China Patentee after: Yantai Yufeng Machine Tool Auxiliary Machinery Co.,Ltd. Country or region after: China Address before: No. 281, Huanghe West Road, Xuejia Town, Xinbei District, Changzhou City, Jiangsu Province Patentee before: Changzhou Jingheng Precision Machinery Technology Co.,Ltd. Country or region before: China |