CN209779668U - Two unification pile foundations of heliostat stand and basis - Google Patents
Two unification pile foundations of heliostat stand and basis Download PDFInfo
- Publication number
- CN209779668U CN209779668U CN201920224359.5U CN201920224359U CN209779668U CN 209779668 U CN209779668 U CN 209779668U CN 201920224359 U CN201920224359 U CN 201920224359U CN 209779668 U CN209779668 U CN 209779668U
- Authority
- CN
- China
- Prior art keywords
- pile
- heliostat
- foundation
- precast tubular
- connecting plate
- 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
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 7
- 238000009417 prefabrication Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Landscapes
- Piles And Underground Anchors (AREA)
Abstract
The utility model provides a heliostat upright post and foundation two-in-one pile foundation, which relates to the technical field of power station foundation equipment, can realize uniform stress of uniform cross section, adopts factory prefabrication and field installation, saves time and labor and saves cost; the pile foundation comprises a prefabricated pipe pile and a pile hole; the bottom end of the precast tubular pile is inserted into the pile hole, and concrete is poured into a gap between the precast tubular pile and the pile hole; the top of the precast tubular pile is provided with a connecting assembly; the connecting assembly is of a layered structure and sequentially comprises an end plate, a connecting plate and a heliostat base flange; the end plate is connected with the top end of the precast tubular pile. The utility model provides a technical scheme is applicable to the in-process that the heliostat basis found.
Description
[ technical field ] A method for producing a semiconductor device
the utility model relates to a power station basic equipment technical field especially relates to a two unification pile foundations of heliostat stand and basis.
[ background of the invention ]
Solar energy is widely used at home and abroad as a clean renewable energy source. In recent years, solar thermal power generation technology is also becoming more and more popular.
Tens of thousands of heliostats are used as key parts of a tower type solar thermal power station, the rigidity of the foundation seriously influences the power generation efficiency, and the foundation construction occupies a large part of the investment and the construction period of the power station.
The traditional heliostat foundation adopts a mode that steel upright posts are fixedly connected with an independent foundation or a bored pile foundation, and although the rigidity can meet the engineering requirement, the construction cost is high, the engineering quantity is very large, and the construction period is long. In particular, the disadvantages of the prior art mainly include the following aspects:
1. in the traditional steel upright column and underground foundation separated design, the steel upright column and the underground foundation are connected through bolts, so that high wind power and torque exist in the working environment, and the requirement on the bolts is high;
2. The design requirement of the independent foundation is higher due to larger load;
3. The existing heliostat foundation method is mostly cast-in-place, tens of thousands of foundation field manufacturing consuming construction periods are too many, the waste amount of concrete is large, the construction waste is much, and the requirement on a working surface is high.
In conclusion, on the premise of meeting the use requirements, how to simplify the manufacturing process, shorten the installation period and reduce the overall cost becomes a problem that the basic design of the heliostat is urgent to be optimized.
In the process of solving the problem, a small amount of literature provides a heliostat precast pile foundation, but the heliostat precast pile foundation not only adopts a cast-in-place bearing platform, but also adopts a variable cross-section supporting heliostat structure on the pile top. As is well known, the design difficulty is increased by the concentrated stress at the variable cross section, and the safety factor is reduced. Therefore, the disadvantages of the prior art are not completely solved.
[ Utility model ] content
In view of this, the utility model provides a two unification pile foundations on heliostat stand and basis can realize that the uniform cross section atress is even, adopts mill's prefabrication and field installation, and labour saving and time saving practices thrift the cost.
On one hand, the utility model provides a heliostat upright post and foundation two-in-one pile foundation, which is characterized by comprising a precast tubular pile and a pile hole; the bottom end of the precast tubular pile is inserted into the pile hole, and concrete is poured into a gap between the precast tubular pile and the pile hole; the top of precast tubular pile is equipped with coupling assembling.
There is further provided in accordance with any of the above aspects and possible implementations an implementation in which the connection assembly is a layered structure, comprising, in order, a header plate, a connection plate, and a heliostat base flange; the end plate is connected with the top end of the precast tubular pile.
As for the aspect and any possible implementation manner described above, an implementation manner is further provided, wherein a plurality of embedded sleeves are arranged on the lower surface of the end plate, and the embedded sleeves are embedded in the precast tubular pile.
In accordance with the above aspect and any possible implementation manner, there is further provided an implementation manner, wherein the end plate and the connecting plate are respectively provided with a plurality of corresponding first bolt holes; a plurality of corresponding second bolt holes are respectively formed in the connecting plate and the heliostat base flange; first bolts are arranged in the first bolt holes which correspond to each other up and down, and second bolts are arranged in the second bolt holes which correspond to each other up and down.
As for the above aspect and any possible implementation manner, an implementation manner is further provided, where the end plate, the connecting plate, and the heliostat base flange are all annular and are concentric with the top end face of the precast tubular pile.
the above aspects and any possible implementation manners further provide an implementation manner that the inner and outer radii of the end plate are the same as the inner and outer radii of the top end surface of the precast tubular pile; the outer radius of the connecting plate is the same as that of the end plate, and the inner radius of the connecting plate is smaller than that of the end plate; the outer radius of the heliostat base flange is larger than that of the connecting plate, and the inner radius of the heliostat base flange is the same as that of the connecting plate.
the above-described aspects and any possible implementations further provide an implementation in which an outer radius of the heliostat base flange is at least 25mm greater than an outer radius of the connecting plate.
The above aspect and any possible implementation further provides an implementation in which the second bolt hole is located within an inner diameter of the end plate.
The above aspects and any possible implementation manner further provide an implementation manner, and a plurality of embedded studs or overhanging steel bars are arranged around the precast tubular pile inserted in the pile hole.
The above aspect and any possible implementation manner further provide an implementation manner, wherein a plurality of pile hoops are arranged on the periphery of the top end of the precast tubular pile.
Compared with the prior art, the utility model discloses can obtain including following technological effect: the uniform stress of the equal cross section can be realized, the factory prefabrication and the field installation are adopted, the time and the labor are saved, and the cost is saved.
of course, it is not necessary for any product of the present invention to achieve all of the above-described technical effects simultaneously.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a heliostat pillar and a foundation two-in-one pile foundation according to an embodiment of the present invention;
fig. 2 is a schematic view of a precast tubular pile of a heliostat pillar and a foundation two-in-one pile foundation provided by an embodiment of the present invention;
Fig. 3 is a schematic cross-sectional view of a pile top connection according to an embodiment of the present invention;
Fig. 4 is a schematic plan view of a pile top connection provided by an embodiment of the present invention;
Fig. 5 is a schematic cross-sectional view of a precast tubular pile end plate according to an embodiment of the present invention;
Fig. 6 is a schematic cross-sectional view of a connection plate according to an embodiment of the present invention;
Fig. 7 is a schematic cross-sectional view of a heliostat base flange according to an embodiment of the invention.
Wherein, in the figure:
The method comprises the following steps of 1-prefabricating a tubular pile, 2-concrete, 3-pile holes, 4-connecting components, 5-pre-buried studs or overhanging steel bars, 6-pile hoops, 7-end plates, 8-pre-buried sleeves, 9-connecting plates, 10-heliostat base flanges, 11-first bolt holes and 12-second bolt holes.
[ detailed description ] embodiments
For better understanding of the technical solutions of the present invention, the following detailed descriptions of the embodiments of the present invention are provided with reference to the accompanying drawings.
It should be understood that the described embodiments are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the embodiments of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
Fig. 1 is a schematic structural diagram of a heliostat pillar and a foundation two-in-one pile foundation according to an embodiment of the present invention. As shown in fig. 1, the heliostat pillar and foundation two-in-one pile foundation comprises a precast tubular pile 1, concrete 2, a pile hole 3 and a connecting assembly 4. The pile hole 3 is a hole-shaped structure vertically arranged in the ground, and the bottom end of the precast tubular pile 1 is inserted into the pile hole 3; concrete 2 is poured into a gap between the precast tubular pile 1 and the pile hole 3. The top of precast tubular pile 1 is equipped with coupling assembling 4. The foundation in the heliostat upright post and foundation two-in-one pile foundation refers to a platform for fixing the heliostat upright post, such as the ground; the pile foundation refers to a ground pile foundation and is a structure for supporting and fixing the heliostat.
Fig. 2 is a schematic view of a precast tubular pile of a heliostat pillar and a foundation two-in-one pile foundation provided by an embodiment of the present invention; fig. 3 is a schematic cross-sectional view of a pile top connection according to an embodiment of the present invention; fig. 4 is a schematic plan view of a pile top connection according to an embodiment of the present invention. As shown in fig. 2-4, the precast tubular pile 1 is partially buried underground and partially exposed out of the ground, the periphery of the underground part is provided with embedded studs or overhanging steel bars 5 at certain intervals, and the surface of the above ground part is smooth. The setting of pre-buried peg or overhanging reinforcing bar 5 can effectively prevent post-cast concrete fracture on the one hand, and on the other hand can increase the adhesion stress of pile body and concrete, and then improves anti-torque bearing capacity, prolongs the whole life-span of pile foundation. The top of precast tubular pile 1 is equipped with coupling assembling 4, and coupling assembling 4 is laminated structure, from up including end board 7, connecting plate 9 and heliostat base flange 10 down in proper order. The end plate 7, the connecting plate 9 and the heliostat base flange 10 are all plate-shaped, the shape of the cross section is the same as that of the precast tubular pile 1, and the shape of the cross section is annular.
And determining the sizes of the precast tubular pile 1, the end plate 7 and the connecting plate 9 according to the heliostat base flange. The outer radius of the heliostat base flange 10 is at least 25mm larger than that of the connecting plate 9, and the inner radii of the heliostat base flange and the connecting plate are the same. The outer radius of the connecting plate 9 is the same as that of the end plate 7, and the inner and outer radii of the end plate 7 are respectively the same as that of the precast tubular pile 1. During installation, the prefabricated tubular pile 1, the end plate 7, the connecting plate 9 and the heliostat base flange 10 are required to be concentric.
in order to prevent the pile end of the precast tubular pile 1 from cracking, a plurality of pile hoops 6 are arranged on the periphery of the top end of the precast tubular pile 1.
The lower surface of the end plate 7 is provided with a pre-embedded sleeve 8 with internal threads, and the pre-embedded sleeve 8 is embedded into the precast tubular pile 1 and connected with the precast tubular pile 1 through a bottom lacing wire thereof.
As shown in fig. 5-7, a plurality of first bolt holes 11 are uniformly formed in the periphery of the end plate 7; a plurality of first bolt holes 11 are uniformly formed in the periphery of the connecting plate 9, and a plurality of second bolt holes 12 are uniformly formed in the inner sides of the first bolt holes 11 of the connecting plate 9; the heliostat base flange 10 is also uniformly provided with the same number of second bolt holes 12 at positions corresponding to the second bolt holes 12 of the connecting plate 9. The positions and the sizes of the bolt holes with the same numbers are in one-to-one correspondence. During assembly, the first bolt holes 11 on the end plates 7 and the connecting plates 9 are aligned one-to-one, and the second bolt holes 12 on the connecting plates 9 and the heliostat base flanges 10 are aligned one-to-one. At this point, the second bolt hole 12 of the heliostat base flange 10 falls completely within the inner diameter of the end plate 7. The edge distance and the center distance of each bolt hole need to meet the relevant standard requirements. The inner walls of the first bolt holes 11 and the second bolt holes 12 are both provided with threads, first bolts in threaded connection are arranged in the two layers of first bolt holes 11 which are aligned, and second bolts in threaded connection are arranged in the two layers of second bolt holes 12 which are aligned. The first and second bolts serve to fixedly connect the header plate 7, the connecting plate 9 and the heliostat base flange 10.
The second bolt hole of the heliostat base flange is required to fall completely within the inner diameter of the end plate for the convenience of tightening the bolt.
herein, the upper side of the heliostat base flange 10 is connected with the corresponding heliostat. Heliostat base flange only is the cooperation description the utility model discloses top connected mode, the utility model discloses should combine heliostat base flange to use.
The utility model discloses a prefabricated tubular pile basis had both satisfied the requirement of heliostat stability, had simplified the installation again. The precast tubular pile is transported to the site, and the pre-dug pile hole is inserted, so that the complicated construction process of the cast-in-place pile is eliminated. The heliostat base flange is connected with the prefabricated tubular pile top bolt, and the link of installing the heliostat upright post is eliminated. The prefabricated tubular pile and the connecting plate are prefabricated in a factory, so that the manufacturing accuracy of the member is improved, and the generation of construction waste is reduced. The prefabricated tubular pile and the connecting plate are transported to the site for direct installation, so that the requirements on the working surface and the technology of installation workers are reduced, and the whole heliostat foundation construction process is rapidly and smoothly completed. Compared with a variable cross section, the scheme of the application cancels a pile cap and replaces an enlarged pile top connecting joint with a connecting assembly; the two changes ensure the equal section of the pile body and avoid the phenomenon of larger concentrated stress at the variable section.
The heliostat stand column and foundation two-in-one pile foundation provided by the embodiment of the application are introduced in detail. The above description of the embodiments is only for the purpose of helping to understand the method of the present application and its core ideas; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
As used in the specification and claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, and a person skilled in the art can solve the technical problem within a certain error range to substantially achieve the technical effect. The description which follows is a preferred embodiment of the present application, but is made for the purpose of illustrating the general principles of the application and not for the purpose of limiting the scope of the application. The protection scope of the present application shall be subject to the definitions of the appended claims.
It is also noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a commodity or system that includes the element.
It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
The foregoing description shows and describes several preferred embodiments of the present application, but as aforementioned, it is to be understood that the application is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the application as described herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the application, which is to be protected by the claims appended hereto.
Claims (10)
1. A heliostat upright post and foundation two-in-one pile foundation is characterized by comprising a prefabricated tubular pile and a pile hole; the bottom end of the precast tubular pile is inserted into the pile hole, and concrete is poured into a gap between the precast tubular pile and the pile hole; the top of precast tubular pile is equipped with coupling assembling.
2. The heliostat pillar and foundation two-in-one pile foundation of claim 1, wherein the connecting assembly is a laminated structure comprising, in order, an end plate, a connecting plate and a heliostat base flange; the end plate is connected with the top end of the precast tubular pile.
3. the heliostat upright and foundation two-in-one pile foundation of claim 2, wherein the lower surface of the end plate is provided with a plurality of embedded sleeves, and the embedded sleeves are embedded in the precast tubular piles.
4. The heliostat upright post and foundation two-in-one pile foundation of claim 2, wherein the end plate and the connecting plate are respectively provided with a plurality of corresponding first bolt holes; a plurality of corresponding second bolt holes are respectively formed in the connecting plate and the heliostat base flange; first bolts are arranged in the first bolt holes which correspond to each other up and down, and second bolts are arranged in the second bolt holes which correspond to each other up and down.
5. The heliostat upright and foundation two-in-one pile foundation of claim 4, wherein the end plate, the connecting plate and the heliostat base flange are all annular and concentric with the top end face of the precast tubular pile.
6. The heliostat pillar and foundation two-in-one pile foundation of claim 5, wherein the inside and outside radii of the end plate are the same as the inside and outside radii of the top end face of the precast tubular pile; the outer radius of the connecting plate is the same as that of the end plate, and the inner radius of the connecting plate is smaller than that of the end plate; the outer radius of the heliostat base flange is larger than that of the connecting plate, and the inner radius of the heliostat base flange is the same as that of the connecting plate.
7. The heliostat column and foundation two-in-one pile foundation of claim 6, wherein the outer radius of the heliostat base flange is at least 25mm greater than the outer radius of the connecting plate.
8. The heliostat post and foundation two-in-one pile foundation of claim 5, wherein the second bolt hole is located within an inner diameter of the end plate.
9. The heliostat pillar and foundation two-in-one pile foundation of claim 1, wherein the periphery of the precast tubular pile inserted in the pile hole is provided with a plurality of pre-embedded studs or overhanging steel bars.
10. The heliostat pillar and foundation two-in-one pile foundation of claim 1, wherein the periphery of the top end of the precast tubular pile is provided with a plurality of pile hoops.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920224359.5U CN209779668U (en) | 2019-02-22 | 2019-02-22 | Two unification pile foundations of heliostat stand and basis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920224359.5U CN209779668U (en) | 2019-02-22 | 2019-02-22 | Two unification pile foundations of heliostat stand and basis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209779668U true CN209779668U (en) | 2019-12-13 |
Family
ID=68795346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920224359.5U Active CN209779668U (en) | 2019-02-22 | 2019-02-22 | Two unification pile foundations of heliostat stand and basis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209779668U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114197456A (en) * | 2021-12-30 | 2022-03-18 | 中国铁建重工集团股份有限公司 | A self-locking ground pile and vertical column integrated pipe and its construction method |
-
2019
- 2019-02-22 CN CN201920224359.5U patent/CN209779668U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114197456A (en) * | 2021-12-30 | 2022-03-18 | 中国铁建重工集团股份有限公司 | A self-locking ground pile and vertical column integrated pipe and its construction method |
| CN114197456B (en) * | 2021-12-30 | 2025-03-28 | 中国铁建重工集团股份有限公司 | Self-locking ground pile column integrated pipe and construction method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2215320B1 (en) | Segmented concrete tower for wind power generators and method of erecting thereof | |
| CN109267472B (en) | Prefabricated pile foundation bridge piers and construction methods thereof | |
| US20100139181A1 (en) | Method for mounting in sections an annular tower for wind power generator, heliostatic power generator or chimney composed from three concrete segments or more | |
| CN108571070B (en) | Prefabricated steel tube concrete ring beam connecting structure and construction method | |
| CN111809652A (en) | Assembled gravity wind power infrastructure and its construction method | |
| CN112412707B (en) | Circular section concrete supporting structure of assembled wind turbine generator system | |
| CN213392499U (en) | Grouting-free dry-type prestressed bolt splicing and slicing prefabricated assembly type mixed tower | |
| CN111305627B (en) | Concrete tank room construction method | |
| CN209779668U (en) | Two unification pile foundations of heliostat stand and basis | |
| MX2007009456A (en) | Pre-stressed concrete tower for wind power generators. | |
| CN215168600U (en) | A steel tubular concrete combined tower | |
| JP4494282B2 (en) | Tower structure with variable cross section by precast method | |
| CN109057031A (en) | Assembly concrete-filled steel tube superposed column-girder construction system of built-in more steel pipes | |
| CN207228148U (en) | A kind of single-pipe tower precast splice type basis | |
| CN218263963U (en) | A prefabricated foundation for transmission lines | |
| CN214741846U (en) | Assembled wind turbine generator system circle cross section concrete bearing structure | |
| CN215167195U (en) | Joint construction type subway station bearing platform solid web type steel reinforced concrete conversion beam column node | |
| CN212506733U (en) | A beam-column connection node of a prefabricated concrete structure | |
| CN211596372U (en) | Prefabricated pier segment joint structure of assembling | |
| CN103981881B (en) | A kind of foundation structure of building and construction method thereof | |
| CN106088398A (en) | A kind of combined wall board | |
| CN112030990A (en) | Assembled concrete-filled steel tube supporting system and construction method thereof | |
| CN217782795U (en) | Safe operation platform for prefabricating construction of circular pipe culvert | |
| CN220769631U (en) | Prefabricated concrete double-truss fan lifting base | |
| CN220827824U (en) | Take assembled post of connection girder steel to concrete foundation structure under |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Room 208, building 3, No.2 Yushun Road, Daxing District, Beijing 102602 Patentee after: Shouhang high tech energy technology Co., Ltd Address before: 100070, Beijing Fengtai District headquarters base three District 20 Patentee before: SHOUHANG RESOURCES SAVING |
|
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 730311 no.2888, North Qilianshan Avenue, Lanzhou New District, Lanzhou City, Gansu Province (room 317, zone B, comprehensive service building, comprehensive free trade zone) Patentee after: Shouhang high tech energy technology Co.,Ltd. Address before: Room 208, building 3, No.2 Yushun Road, Daxing District, Beijing Patentee before: Shouhang high tech energy technology Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 735000 room 307, No. 23, West Street, northwest street, Suzhou District, Jiuquan City, Gansu Province Patentee after: Shouhang high tech energy technology Co.,Ltd. Address before: 730311 no.2888, North Qilianshan Avenue, Lanzhou New District, Lanzhou City, Gansu Province (room 317, zone B, comprehensive service building, comprehensive free trade zone) Patentee before: Shouhang high tech energy technology Co.,Ltd. |