CN212552447U - Special welding clamp for rear floor front stiffening beam assembly - Google Patents
Special welding clamp for rear floor front stiffening beam assembly Download PDFInfo
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- CN212552447U CN212552447U CN202020837231.9U CN202020837231U CN212552447U CN 212552447 U CN212552447 U CN 212552447U CN 202020837231 U CN202020837231 U CN 202020837231U CN 212552447 U CN212552447 U CN 212552447U
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- 238000003466 welding Methods 0.000 title claims abstract description 27
- 238000003825 pressing Methods 0.000 claims abstract description 169
- 230000003014 reinforcing effect Effects 0.000 claims description 51
- 238000005056 compaction Methods 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
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Abstract
The utility model discloses a stiffening beam assembly welding special fixture before back floor, its characterized in that: the pressing device comprises a bottom plate, wherein a first pressing assembly, a second pressing assembly, a third pressing assembly and a fourth pressing assembly are sequentially arranged on the bottom plate; the first pressing assembly comprises a first support, a girder upper edge folding first support block, a girder upper edge folding first pressing block, a girder lower edge folding first support block, a girder lower edge folding first pressing block, a girder first positioning pin and a first pressing cylinder; the second pressing assembly comprises a second support, a girder upper hem second supporting block, a girder upper hem second pressing block, a girder lower hem second supporting block, a girder lower hem second pressing block and a second pressing cylinder. The utility model discloses with the accurate location of each part of stiffening beam assembly before the back floor when can realizing the clamping, can prevent welding deformation and guarantee size and quality after the welding.
Description
Technical Field
The utility model belongs to a stiffening beam assembly welding special fixture before back floor.
Background
Referring to fig. 1-2, the rear floor front reinforcing beam assembly comprises a main beam (N-1) and a reinforcing plate (N-2), wherein the main beam (N-1) is provided with an upper folding edge (N-11) and a lower folding edge (N-12), two first left mounting holes (N-13) are formed in a left oblique section of the lower folding edge (N-12), two first right mounting holes (N-14) are formed in a right oblique section of the lower folding edge (N-12), the reinforcing plate (N-2) is used for being welded to the right oblique section of the lower folding edge (N-12) of the main beam (N-1) to realize plate body thickening and increase strength, and a second left mounting hole (N-21) and a second right mounting hole (N-22) are respectively formed in the left side and the right side of the reinforcing plate (N-2). The front stiffening beam assembly of the rear floor is formed by assembling and welding two special-shaped plates. Therefore, in order to meet the requirements of accurate positioning, high-efficiency clamping and discharging of each part in the welding process, welding deformation prevention, and guarantee of requirements of multiple aspects of sizes, quality and the like of the welded parts, a special clamp needs to be developed and designed in a targeted manner.
SUMMERY OF THE UTILITY MODEL
In order to solve the above-mentioned defect or defects that exist among the prior art, the utility model provides a stiffening beam assembly welding special fixture before back floor.
In order to achieve the above object, the utility model provides a stiffening beam assembly welding special fixture before back floor, its characterized in that: the pressing device comprises a bottom plate (1), wherein a first pressing component (2), a second pressing component (3), a third pressing component (4) and a fourth pressing component (5) are sequentially arranged on the bottom plate (1);
the first pressing assembly (2) comprises a first support (2-1), a girder upper hem first support block (2-2), a girder upper hem first pressing block (2-3), a girder lower hem first support block (2-4), a girder lower hem first pressing block (2-5), a girder first positioning pin (2-6) and a first pressing cylinder (2-7), wherein the first support (2-1) is fixed on the base plate (1), the girder upper hem first support block (2-2), the girder lower hem first support block (2-4) and the girder first positioning pin (2-6) are all fixed on the first support (2-1), the girder upper hem first pressing block (2-3) is positioned right above the girder upper hem first support block (2-2), and the girder lower hem first pressing block (2-5) is positioned below the girder first support block (2-5) 4) Right above, the first pressing cylinder (2-7) is fixed on the first support (2-1), and the output end of the first pressing cylinder (2-7) is fixedly connected with the girder upper hem first pressing block (2-3) and the girder lower hem first pressing block (2-5) at the same time;
the second pressing assembly (3) comprises a second support (3-1), a girder upper hem second supporting block (3-2), a girder upper hem second pressing block (3-3), a girder lower hem second supporting block (3-4), a girder lower hem second pressing block (3-5) and a second pressing cylinder (3-6), the second support (3-1) is fixed on the base plate (1), the girder upper hem second supporting block (3-2) and the girder lower hem second supporting block (3-4) are both fixed on the second support (3-1), the girder upper hem second pressing block (3-3) is positioned right above the girder upper hem second supporting block (3-2), the girder lower hem second pressing block (3-5) is positioned right above the girder lower hem second supporting block (3-4), the second pressing cylinder (3-6) is fixed on the second support (3-1), and the output end of the second pressing cylinder (3-6) is fixedly connected with the girder upper hem second pressing block (3-3) and the girder lower hem second pressing block (3-5) at the same time;
the third pressing assembly (4) comprises a third support (4-1), a third reinforcing plate positioning pin (4-2), a third reinforcing plate pressing block (4-3), a third main beam lower hem supporting block (4-4), a third main beam lower hem pressing block (4-5), a third main beam positioning pin (4-6) and a third pressing cylinder (4-7), the third support (4-1) is fixed on the bottom plate (1), the third main beam lower hem supporting block (4-4) and the third main beam positioning pin (4-6) are both fixed on the third support (4-1), the third main beam lower hem pressing block (4-5) is positioned right above the third main beam lower hem supporting block (4-4), and the third pressing cylinder (4-7) is fixed on the third support (4-1), the output end of the third pressing cylinder (4-7) is simultaneously connected with a third positioning pin (4-2) of the reinforcing plate, a third pressing block (4-3) of the reinforcing plate and a third pressing block (4-5) of the lower hem of the main beam;
the fourth pressing assembly (5) comprises a fourth support (5-1), a girder lower hem fourth supporting block (5-2), a reinforcing plate fourth pressing block (5-3), a girder upper hem fourth supporting block (5-4), a girder upper hem fourth pressing block (5-5), a reinforcing plate fourth positioning pin (5-6) and a fourth pressing cylinder (5-7), wherein the fourth support (5-1) is fixed on the bottom plate (1), the girder lower hem fourth supporting block (5-2) and the girder upper hem fourth supporting block (5-4) are both fixed on the fourth support (5-1), the girder upper hem fourth pressing block (5-5) is positioned right above the girder upper hem fourth supporting block (5-4), the reinforcing plate fourth pressing block (5-3) is positioned right above the girder lower hem fourth supporting block (5-2), the fourth pressing cylinder (5-7) is fixed on the fourth support (5-1), and the output end of the fourth pressing cylinder (5-7) is simultaneously connected with the fourth positioning pin (5-6) of the reinforcing plate, the fourth pressing block (5-3) of the reinforcing plate and the fourth pressing block (5-5) of the upper hem of the main beam.
Preferably, the first compaction cylinders (2-7) are of the CKZ3T63-90T type. It is available for production or sale by SMC (China) Co.
Preferably, the second compaction cylinders (3-6) are of the CKZ3T63-90T type. It is available for production or sale by SMC (China) Co.
Preferably, the third compaction cylinders (4-7) are of the CKZ3T63-90T type. It is available for production or sale by SMC (China) Co.
Preferably, the fourth compaction cylinders (5-7) are of the CKZ3T63-90TS type. It is available for production or sale by SMC (China) Co.
The utility model has the advantages that: the utility model discloses a be different from current anchor clamps structural design, with each part accurate positioning of stiffening beam assembly before the back floor when can realizing the clamping, guarantee the accurate location of each part in the welding process, can improve welding efficiency, the clamping is simultaneously with the convenience of unloading, prevents welding deformation, guarantees to weld back part size and quality.
Drawings
Fig. 1 is a perspective view of a rear floor front reinforcing beam assembly when split before welding.
FIG. 2 is a perspective view of the rear floor front reinforcement beam assembly after welding.
Fig. 3 is a front view of the clamp of the present invention.
Fig. 4 is a perspective view of the clamp of the present invention.
Fig. 5 is a perspective view (looking in the other direction) of the clamp of the present invention.
Figure 6 is a perspective view of a first compression assembly.
Figure 7 is a perspective view of a second compression assembly.
Figure 8 is a perspective view of a third hold-down assembly.
Figure 9 is a perspective view of a fourth hold down assembly.
Fig. 10 is a front view of the clamp of the present invention when clamping.
Fig. 11 is a perspective view of the clamp of the present invention when clamping.
Fig. 12 is an enlarged view at B in fig. 11.
Fig. 13 is a perspective view of the clamp of the present invention when it is being clamped (when viewed in the other direction).
Detailed Description
The invention will be further explained with reference to the following figures and examples:
example (b): referring to fig. 1 to 13, a special welding fixture for a front reinforcing beam assembly of a rear floor comprises a bottom plate 1, a first pressing assembly 2, a second pressing assembly 3, a third pressing assembly 4 and a fourth pressing assembly 5.
The first pressing component 2, the second pressing component 3, the third pressing component 4 and the fourth pressing component 5 are sequentially arranged on the bottom plate 1 from left to right.
Referring to fig. 2-4 and 6, the first pressing assembly 2 comprises a first support 2-1, a girder upper hem first support block 2-2, a girder upper hem first pressing block 2-3, a girder lower hem first support block 2-4, a girder lower hem first pressing block 2-5, a girder first positioning pin 2-6 and a first pressing cylinder 2-7, the lower end of the first support 2-1 is fixed on the base plate 1, the girder upper hem first support block 2-2, the girder lower hem first support block 2-4 and the girder first positioning pin 2-6 are all fixed on the first support 2-1, the girder upper hem first pressing block 2-3 is positioned right above the girder upper hem first support block 2-2, the girder lower hem first pressing block 2-5 is positioned right above the girder lower hem first support block 2-4, the first pressing cylinder 2-7 is fixed on the first support 2-1, and the output end of the first pressing cylinder 2-7 is fixedly connected with the girder upper folding edge first pressing block 2-3 and the girder lower folding edge first pressing block 2-5.
And when the clamping, the positioning and compressing characteristics of the first compressing assembly 2 are as follows: the first supporting block 2-2 at the upper hem of the main beam is used for contacting and supporting the lower surface of the upper hem N-11 of the main beam; the first support block 2-4 of the lower hem of the main beam is used for contacting and supporting the lower surface of the lower hem N-12 of the main beam; the first main beam positioning pin 2-6 is used for being inserted into a first left mounting hole N-13 of a lower folded edge N-12 of the main beam for positioning, then the first pressing cylinder 2-7 is started to simultaneously drive the first main beam upper folded edge pressing block 2-3 to downwards press an upper folded edge N-11 part of the main beam supported by the first main beam upper folded edge supporting block 2-2 and drive the first main beam lower folded edge pressing block 2-5 to downwards press a lower folded edge N-12 part of the main beam supported by the first main beam lower folded edge supporting block 2-4, so that the left side of the main beam N-1 is positioned and pressed.
Referring to fig. 2-4 and 7, the second pressing assembly 3 includes a second bracket 3-1, a main beam upper hem second support block 3-2, a main beam upper hem second pressing block 3-3, a main beam lower hem second support block 3-4, a main beam lower hem second pressing block 3-5 and a second pressing cylinder 3-6, the second bracket 3-1 is fixed on the base plate 1, the main beam upper hem second support block 3-2 and the main beam lower hem second support block 3-4 are both fixed on the second bracket 3-1, the main beam upper hem second pressing block 3-3 is positioned right above the main beam upper hem second support block 3-2, the main beam lower hem second pressing block 3-5 is positioned right above the main beam lower hem second support block 3-4, the second pressing cylinder 3-6 is fixed on the second bracket 3-1, the output end of the second pressing cylinder 3-6 is fixedly connected with the girder upper edge folding second pressing block 3-3 and the girder lower edge folding second pressing block 3-5.
And when the clamping, this second compresses tightly the location of subassembly 3 and compresses tightly the characteristics as follows: the second supporting block 3-2 of the upper hem of the main beam is used for contacting and supporting the lower surface of the upper hem N-11 of the main beam; the second support block 3-4 of the lower hem of the main beam is used for contacting and supporting the lower surface of the lower hem N-12 of the main beam; and then the second pressing cylinder 3-7 is started to drive the main beam upper edge folding second pressing block 3-3 to downwards press the upper edge folding N-11 part of the main beam supported by the main beam upper edge folding second supporting block 3-2 and drive the main beam lower edge folding second pressing block 3-5 to downwards press the lower edge folding N-12 part of the main beam supported by the main beam lower edge folding second supporting block 3-4, so that the middle part of the main beam N-1 is positioned and pressed.
Referring to fig. 2-4 and 8, the third pressing assembly 4 includes a third bracket 4-1, a third positioning pin 4-2 for reinforcing plate, a third pressing block 4-3 for reinforcing plate, a third supporting block 4-4 for main beam lower hem, a third pressing block 4-5 for main beam lower hem, a third positioning pin 4-6 for main beam and a third pressing cylinder 4-7, the third bracket 4-1 is fixed on the base plate 1, the third supporting block 4-4 for main beam lower hem and the third positioning pin 4-6 for main beam are both fixed on the third bracket 4-1, the third pressing block 4-5 for main beam lower hem is positioned right above the third supporting block 4-4 for main beam lower hem, the third pressing cylinder 4-7 is fixed on the third bracket 4-1, the output end of the third pressing cylinder 4-7 is simultaneously connected with the third positioning pin 4-2 for reinforcing plate, And a third pressing block 4-3 of the reinforcing plate is fixedly connected with a third pressing block 4-5 of the lower hem of the main beam.
And when clamping, the positioning and compressing characteristics of the third compressing assembly 4 are as follows: the third support block 4-4 of the lower hem of the main beam is used for contacting and supporting the lower surface of the lower hem N-12 of the main beam; the third positioning pin 4-6 of the main beam is used for being inserted into the first right mounting hole N-14 of the lower hem N-12 of the main beam for positioning; then, a third pressing cylinder 4-7 is started to simultaneously drive a third positioning pin 4-2 of the reinforcing plate to be downwards inserted into a second left mounting hole N-21 of the reinforcing plate N-2, a third pressing block 4-3 of the reinforcing plate is driven to downwards press the reinforcing plate N-2, so that the reinforcing plate N-2 is tightly attached to a lower folded edge N-12 of the main beam, and a third pressing block 4-5 of the lower folded edge of the main beam is driven to press the lower folded edge N-12 part of the main beam supported by the third supporting block 4-4 of the lower folded edge of the main beam, so that the main beam N-1 and the reinforcing plate N-2 are mutually positioned and pressed.
Referring to fig. 2-4 and 9, the fourth pressing assembly 5 includes a fourth bracket 5-1, a girder lower hem fourth supporting block 5-2, a reinforcing plate fourth pressing block 5-3, a girder upper hem fourth supporting block 5-4, a girder upper hem fourth pressing block 5-5, a reinforcing plate fourth positioning pin 5-6 and a fourth pressing cylinder 5-7, the fourth bracket 5-1 is fixed on the base plate 1, the girder lower hem fourth supporting block 5-2 and the girder upper hem fourth supporting block 5-4 are both fixed on the fourth bracket 5-1, the girder upper hem fourth pressing block 5-5 is located right above the girder upper hem fourth supporting block 5-4, the reinforcing plate fourth pressing block 5-3 is located right above the girder lower hem fourth supporting block 5-2, the fourth pressing cylinder 5-7 is fixed on the fourth support 5-1, and the output end of the fourth pressing cylinder 5-7 is fixedly connected with the fourth positioning pin 5-6 of the reinforcing plate, the fourth pressing block 5-3 of the reinforcing plate and the fourth pressing block 5-5 of the upper hem of the main beam.
And when clamping, the positioning and compressing characteristics of the fourth compressing assembly 5 are as follows: the fourth support block 5-2 of the lower hem of the main beam is used for contacting and supporting the lower surface of the lower hem N-12 of the main beam; the fourth supporting block 5-4 of the upper hem of the main beam is used for contacting and supporting the lower surface of the upper hem N-11 of the main beam; then, a fourth pressing cylinder 5-7 is started to simultaneously drive a fourth positioning pin 5-6 of the reinforcing plate to be downwards inserted into a second right mounting hole N-22 of the reinforcing plate N-2, a fourth pressing block 5-3 of the reinforcing plate is driven to downwards press the reinforcing plate N-2, so that the reinforcing plate N-2 is tightly attached to the lower folded edge N-12 of the main beam, and the fourth pressing block 5-5 of the upper folded edge of the main beam is driven to press the lower folded edge N-12 part of the main beam supported by the fourth supporting block 5-4 of the upper folded edge of the main beam, so that the main beam N-1 and the reinforcing plate N-2 are mutually positioned and pressed.
When the front reinforcing beam assembly of the rear floor is clamped before welding, the first pressing component 2, the second pressing component 3, the third pressing component 4 and the fourth pressing component 5 are positioned and clamped at the same time, so that the main beam N-1 and the reinforcing plate N-2 are accurately positioned and pressed with each other. And after the welding is completed, the first pressing assembly 2, the second pressing assembly 3, the third pressing assembly 4 and the fourth pressing assembly 5 are simultaneously in a released state, and then the product can be taken out.
Preferably, the first compaction cylinders 2-7 are of the model CKZ3T 63-90T. It is available for production or sale by SMC (China) Co.
Preferably, the second compaction cylinder 3-6 is of the model CKZ3T 63-90T. It is available for production or sale by SMC (China) Co.
Preferably, the third compaction cylinders 4-7 are of the model CKZ3T 63-90T. It is available for production or sale by SMC (China) Co.
Preferably, the fourth pressing cylinder 5-7 adopts a model of CKZ3T63-90 TS. It is available for production or sale by SMC (China) Co.
Therefore, the utility model discloses a be different from current anchor clamps structural design, with each part accurate positioning of stiffening beam assembly before the back floor when can realizing the clamping, guarantee each part accurate positioning in the welding process, can improve welding efficiency, the clamping is simultaneously convenient with unloading, prevents welding deformation, guarantees to weld back part size and quality.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.
Claims (5)
1. The utility model provides a stiffening beam assembly welding special fixture before back floor which characterized in that: the pressing device comprises a bottom plate (1), wherein a first pressing component (2), a second pressing component (3), a third pressing component (4) and a fourth pressing component (5) are sequentially arranged on the bottom plate (1);
the first pressing assembly (2) comprises a first support (2-1), a girder upper hem first support block (2-2), a girder upper hem first pressing block (2-3), a girder lower hem first support block (2-4), a girder lower hem first pressing block (2-5), a girder first positioning pin (2-6) and a first pressing cylinder (2-7), wherein the first support (2-1) is fixed on the base plate (1), the girder upper hem first support block (2-2), the girder lower hem first support block (2-4) and the girder first positioning pin (2-6) are all fixed on the first support (2-1), the girder upper hem first pressing block (2-3) is positioned right above the girder upper hem first support block (2-2), and the girder lower hem first pressing block (2-5) is positioned below the girder first support block (2-5) 4) Right above, the first pressing cylinder (2-7) is fixed on the first support (2-1), and the output end of the first pressing cylinder (2-7) is fixedly connected with the girder upper hem first pressing block (2-3) and the girder lower hem first pressing block (2-5) at the same time;
the second pressing assembly (3) comprises a second support (3-1), a girder upper hem second supporting block (3-2), a girder upper hem second pressing block (3-3), a girder lower hem second supporting block (3-4), a girder lower hem second pressing block (3-5) and a second pressing cylinder (3-6), the second support (3-1) is fixed on the base plate (1), the girder upper hem second supporting block (3-2) and the girder lower hem second supporting block (3-4) are both fixed on the second support (3-1), the girder upper hem second pressing block (3-3) is positioned right above the girder upper hem second supporting block (3-2), the girder lower hem second pressing block (3-5) is positioned right above the girder lower hem second supporting block (3-4), the second pressing cylinder (3-6) is fixed on the second support (3-1), and the output end of the second pressing cylinder (3-6) is fixedly connected with the girder upper hem second pressing block (3-3) and the girder lower hem second pressing block (3-5) at the same time;
the third pressing assembly (4) comprises a third support (4-1), a third reinforcing plate positioning pin (4-2), a third reinforcing plate pressing block (4-3), a third main beam lower hem supporting block (4-4), a third main beam lower hem pressing block (4-5), a third main beam positioning pin (4-6) and a third pressing cylinder (4-7), the third support (4-1) is fixed on the bottom plate (1), the third main beam lower hem supporting block (4-4) and the third main beam positioning pin (4-6) are both fixed on the third support (4-1), the third main beam lower hem pressing block (4-5) is positioned right above the third main beam lower hem supporting block (4-4), and the third pressing cylinder (4-7) is fixed on the third support (4-1), the output end of the third pressing cylinder (4-7) is simultaneously connected with a third positioning pin (4-2) of the reinforcing plate, a third pressing block (4-3) of the reinforcing plate and a third pressing block (4-5) of the lower hem of the main beam;
the fourth pressing assembly (5) comprises a fourth support (5-1), a girder lower hem fourth supporting block (5-2), a reinforcing plate fourth pressing block (5-3), a girder upper hem fourth supporting block (5-4), a girder upper hem fourth pressing block (5-5), a reinforcing plate fourth positioning pin (5-6) and a fourth pressing cylinder (5-7), wherein the fourth support (5-1) is fixed on the bottom plate (1), the girder lower hem fourth supporting block (5-2) and the girder upper hem fourth supporting block (5-4) are both fixed on the fourth support (5-1), the girder upper hem fourth pressing block (5-5) is positioned right above the girder upper hem fourth supporting block (5-4), the reinforcing plate fourth pressing block (5-3) is positioned right above the girder lower hem fourth supporting block (5-2), the fourth pressing cylinder (5-7) is fixed on the fourth support (5-1), and the output end of the fourth pressing cylinder (5-7) is simultaneously connected with the fourth positioning pin (5-6) of the reinforcing plate, the fourth pressing block (5-3) of the reinforcing plate and the fourth pressing block (5-5) of the upper hem of the main beam.
2. The special welding fixture for the rear floor front reinforcing beam assembly as claimed in claim 1, wherein: the first compaction cylinders (2-7) are of the CKZ3T63-90T type.
3. The special welding fixture for the rear floor front reinforcing beam assembly as claimed in claim 1, wherein: the second compaction cylinders (3-6) are of the CKZ3T63-90T type.
4. The special welding fixture for the rear floor front reinforcing beam assembly as claimed in claim 1, wherein: the third compaction cylinders (4-7) adopt CKZ3T63-90T models.
5. The special welding fixture for the rear floor front reinforcing beam assembly as claimed in claim 1, wherein: the fourth compaction cylinders (5-7) adopt a model of CKZ3T63-90 TS.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020837231.9U CN212552447U (en) | 2020-05-19 | 2020-05-19 | Special welding clamp for rear floor front stiffening beam assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020837231.9U CN212552447U (en) | 2020-05-19 | 2020-05-19 | Special welding clamp for rear floor front stiffening beam assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212552447U true CN212552447U (en) | 2021-02-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020837231.9U Active CN212552447U (en) | 2020-05-19 | 2020-05-19 | Special welding clamp for rear floor front stiffening beam assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212552447U (en) |
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2020
- 2020-05-19 CN CN202020837231.9U patent/CN212552447U/en active Active
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Address after: 401133 No. 99, Yukang Avenue, Yuzui Town, Jiangbei District, Chongqing Patentee after: Chongqing Pingyang Technology (Group) Co.,Ltd. Country or region after: China Address before: 401147 No.99 Yukang Avenue, Yufu Industrial Park, Liangjiang New District, Yubei District, Chongqing Patentee before: Chongqing Pingyang industry and Trade Co.,Ltd. Country or region before: China |