CN106438212B - A kind of folding spelling formula tubbiness tower - Google Patents
A kind of folding spelling formula tubbiness tower Download PDFInfo
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- CN106438212B CN106438212B CN201610798840.6A CN201610798840A CN106438212B CN 106438212 B CN106438212 B CN 106438212B CN 201610798840 A CN201610798840 A CN 201610798840A CN 106438212 B CN106438212 B CN 106438212B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/728—Onshore wind turbines
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The invention discloses a kind of folding spelling formula tubbiness towers, the main points of its technical scheme are that including bottom flange and to be located at the cylinder for forming tubbiness on the flange of bottom, the cylinder is spliced by the folded plate that muti-piece is longitudinally bent.The cylinder and bottom flange of tower of the present invention are all formed by multi-disc steel plate splicing, can on-site assembly, lifting is simple, saves the time, convenient transportation；Facilitate overall galvanizing technique simultaneously, and then extends anti-corrosion life；Other than bottom flange needs to weld, automated production is all may be implemented such as sawing sheet, aperture, bending, overall galvanizing in remaining, is greatly improved the efficiency and the accuracy of manufacture.
Description
[technical field]
The present invention relates to a kind of folding spelling formula tubbiness towers.
[background technique]
Nowadays we have seen that tower such as smart city landscape beacon, television tower, wind power generation stepped, be muti-piece steel mostly
Plate rolls into cylinder assembly welding forming or concrete constructions with roll bending, and manufacture and hoisting difficulty are larger, with duration, nowadays carries out
Steel building, height can surpass more than 200 meters, the tower manufactured using the prior art, bulky, cause to transport, lift it is non-
It is often difficult, it is with high costs；In addition existing tower can not achieve automated production, and the tower manufacture precision of rolling shaping is more difficult
Control, can not carry out overall galvanizing anti-corrosion.
The present invention is namely based on what such case was made.
[summary of the invention]
That The purpose of the present invention is to overcome the shortcomings of the prior art and to provide a kind of structures is simple, intensity is high, antiseptic property is good,
Transport installation easily and can also automated production folding spell formula tubbiness tower.
The present invention is achieved by the following technical solutions:
A kind of folding spelling formula tubbiness tower, it is characterised in that: include bottom flange 1 and to be located on bottom flange 1 to form tubbiness
Cylinder 3, the cylinder 3 is spliced by the folded plate that muti-piece is longitudinally bent.
Folding spelling formula tubbiness tower as described above, it is characterised in that: the folded plate includes positioned at folded plate two sides and to cylinder
Connecting plate 2, the barrel plate 4 between two pieces of connecting plates 2 of interior direction bending, 2 company of posting and fixing of adjacent two pieces of connecting plates
It connects, the connecting plate 2 of two sides is respectively left connection board 201 and right connection board 202.
Folding spelling formula tubbiness tower as described above, it is characterised in that: the cylinder 3 includes multistage, adjacent two sections of cylinders 3
Between be connected and fixed by multiple bolts 9, cut with symmetrical two notches 5 in the connecting pin of adjacent two sections of cylinders 3.
Folding spelling formula tubbiness tower as described above, it is characterised in that: be additionally provided with semicircular opening 6 at the notch 5.
Folding spelling formula tubbiness tower as described above, it is characterised in that: the cylinder 3 includes to connect with the bottom flange 1
First segment cylinder 301, the second segment cylinder 302 that is connect with 301 upper end of first segment cylinder, the upper end of first segment cylinder 301 is solid
Due to the inside of second segment cylinder 302.
Folding spelling formula tubbiness tower as described above, it is characterised in that: the connecting pin of the folded plate be equipped with for reinforce with
The stiffener plate 7 of other folded plates connection, the inside of the stiffener plate 7, which is additionally provided with, reinforces plate 8.
Folding spelling formula tubbiness tower as described above, it is characterised in that: the bottom flange 1 is folding spelling formula flange, by multi-block method
Blue component is spliced, and the flange assembly includes flanged plate 101 and the folded plate that is welded on flanged plate 101.
Folding spelling formula tubbiness tower as described above, it is characterised in that: the barrel plate 4 is longitudinally bent at least once.
Folding spelling formula tubbiness tower as described above, it is characterised in that: the barrel plate 4 is bent into 401 He of left-hand cylinder siding
Right barrel plate 402, between the left-hand cylinder siding 401 and the left connection board 201 included angle A and the right barrel plate 402 with it is described
Included angle B value range is 80 degree of -90 degree between right connection board 202, is pressed from both sides between the left-hand cylinder siding 401 and right barrel plate 402
Angle C value range is 165 degree of -175 degree.
Folding spelling formula tubbiness tower as described above, it is characterised in that: the cylinder 3 is straight or cone cylinder shape, the folding
Plate matter is high-strength steel sheet；Using overall galvanizing anti-corrosion.
Folding spelling formula tubbiness tower as described above, it is characterised in that: the 2 length phase of connecting plate on each block of folded plate
Deng being formed with gap 10 between the connecting plate 2 on connecting plate 2 and next section of cylinder 3 on cylinder 3 described in the preceding paragraph.
Folding spelling formula tubbiness tower as described above, it is characterised in that: the reinforcement plate 8 passes through the stiffener plate on one side
7, which enter the gap 10, contacts the positioning plate 11 for being adjacent to and being formed with positioning action with the connecting plate 2.
Folding spelling formula tubbiness tower as described above, it is characterised in that: the tower can apply to heavy construction foundation pit casing, big
Type ocean engineering and man-made island casing, Large-scale Wind Turbines, EHV transmission shaft tower, city scenery lamp tower, city electricity
Depending on any one in the casing of tower, main force's column of super-large diameter storage cylinder and all kinds of large-scale steel structure groups of building and girder.
Compared with prior art, the present invention has the following advantages:
1, the steel plate of tower of the present invention can make full use of, and self-assembling formation connecting plate after the bending of steel plate two sides is not required to another welding method
Orchid connection.
2, tower of the present invention device to hole in lifting is easier to, and also relatively precisely, advantageously reduces error；The tower is in addition to bottom method
Except needing to weld at orchid, automated production is all may be implemented such as sawing sheet, aperture, bending, overall galvanizing in remaining, mentions significantly
High efficiency and the accuracy of manufacture.
3, longitudinally bending is once similar round to multiple formation in steel plate middle position by the present invention, and the steel plate being bent is strong
Degree greatly increases, and more firm when making splicing, stress is also more evenly.
4, the cylinder of tower of the present invention and bottom flange are all formed by multi-disc steel plate splicing, can on-site assembly, lifting is simple,
The time is saved, convenient transportation；Facilitate overall galvanizing technique simultaneously, and then extends anti-corrosion life.
[Detailed description of the invention]
Fig. 1 is the perspective view of tower of the present invention；
Fig. 2 is the perspective view for the steel plate that tower of the present invention uses；
Fig. 3 is folded plate perspective view of the present invention；
Fig. 4 is the construction diagrams of two blocks of folded plates above and below the present invention；
Fig. 5 is the perspective view of bottom flange；
Fig. 6 is the top view of folded plate；
Fig. 7 is two pieces of folded plate bolted-on attachment compositions；
Fig. 8 is the enlarged drawing in Fig. 4 at D；
Fig. 9 is the enlarged drawing in Fig. 4 at E；
Figure 10 is the schematic enlarged-scale view that the preferred embodiment of the present invention uses positioning plate；
When Figure 11 to Figure 13 is that tower of the present invention is applied to television tower, wind power generating set, super-large diameter storage cylinder respectively
Perspective view.
In figure: 1 is bottom flange；101 be flanged plate；2 be connecting plate；201 be left connection board；202 be right connection board；3 are
Cylinder；301 be first segment cylinder；302 be second segment cylinder；4 be barrel plate；401 be left-hand cylinder siding；402 be right barrel plate；5
For notch；6 be semicircular opening；7 be stiffener plate；8 be reinforcement plate；9 be bolt；10 be gap；11 be positioning plate.
[specific embodiment]
The technology of the present invention feature is described in further detail in order to field technical staff reason with reference to the accompanying drawing
Solution.
A kind of folding spelling formula tubbiness tower, as shown in Figures 1 to 10, include bottom flange 1 and be located on bottom flange 1 with formed
The cylinder 3 of tubbiness, the cylinder 3 are spliced by the folded plate that muti-piece is longitudinally bent.3 upper and lower ends of the cylinder opening, with
Tubbiness is collectively formed in bottom flange 1.The folded plate is steel plate, and it is because of the tower why the present invention, which is named as folding spelling formula tower,
Be by flat plate bending and it is further assembled formed, by bending steel plate, enable original one block of steel plate that can not be upright
Uprightly, its intensity is considerably increased.Using this connecting method, 60 meters of length or more, 3.6 meters of diameter or more of tower can be produced
Cylinder, and manufacture, lift, transporting all very convenient, it while can satisfy intensity requirement, be also convenient for overall galvanizing anti-corrosion, it is existing
Tower generally use anticorrosion with painting, the service life only has several years, and the application uses overall galvanizing anti-corrosion, and anti-corrosion life is
30 years.
Because the tower is to distinguish assembled, folded plate volume very little by muti-piece folded plate, highway, sea-freight are all very convenient, existing
Some Large Scale Oceanic Wind Power Generation machine towers, because of the not Large marine loop wheel machine of super-high, it is therefore desirable to use helicopter and rise
Tower crane cylinder, but use tower of the invention, it might even be possible to do not have to lift using large-scale crane, it completely can be assembled using piecemeal
Mode, greatly reduce hoisting cost.
Folding spelling formula tubbiness tower as described above, the folded plate include that direction is bent positioned at folded plate two sides and into cylinder
Connecting plate 2, the barrel plate 4 between two pieces of connecting plates 2, adjacent two pieces of connecting plates 2 patch merga pass bolt 9 are fixedly connected,
Muti-piece barrel plate 4 is spliced into tubular.The connecting plate 2 of two sides is respectively left connection board 201 and right connection board 202.The company
Fishplate bar 2 plays the role of connecting flange, this kind of structure is not required to welded flange again, and assembling is simple, quick.The folded plate is by connecting plate
2 and barrel plate 4 constitute, and be integrated.
Folding spelling formula tubbiness tower as described above, the cylinder 3 includes multistage, by more between adjacent two sections of cylinders 3
A bolt 9 is connected and fixed, and cuts with symmetrical two notches 5 respectively in the connecting pin of adjacent two sections of cylinders 3, as shown in figure 5,
The main function of the notch 5 is easy for the installation of the socket between lower shell 3, because connecting plate 2 can generate one after being bent
The convex ribs of root introversion, the convex ribs can hinder the socket between lower shell 3 to install, it is therefore desirable to reserve notch 5；Notch 5
Secondary role is to eliminate part stress.
Folding spelling formula tubbiness tower as described above, is additionally provided with semicircular opening 6 at the notch 5, as shown in Figure 5.Semicircular opening 6
Main function be to eliminate stress, the subsequent cracking of prevention folded plate and distortion；Secondary role is easy for installing following reinforcing ribs
Plate 7.
Further, as shown in Figure 1, the cylinder 3 include the first segment cylinder 301 being connect with the bottom flange 1, with
The second segment cylinder 302 of 301 upper end of first segment cylinder connection, second segment cylinder 302 is fixed in the upper end of first segment cylinder 301
Inside, second segment cylinder 302 is socketed on first segment cylinder 301, being just socketed on penholder with pen container.
Folding spelling formula tubbiness tower as described above, the bottom flange 1 are folding spelling formula flange, spliced by muti-piece flange assembly and
At the folded plate that, the flange assembly includes flanged plate 101 and is welded on flanged plate 101, rolled over particular by splicing
Plate and form the bottom flange 1, it is small in size, facilitate overall galvanizing technique, and solve transporting and hoisting difficult problem, such as scheme
Shown in 5.
Folding spelling formula tubbiness tower as described above, the barrel plate 4 is longitudinally bent at least once, and is preferably bent
Once.
Barrel plate 4 is bent once in the present embodiment, is combined into similar circle, specially barrel plate 4 is bent into left-hand cylinder wall
Plate 401 and right barrel plate 402, included angle A and the right barrel plate 402 between the left-hand cylinder siding 401 and the left connection board 201
Included angle B value range is 80 degree of -90 degree, the left-hand cylinder siding 401 and right barrel plate 402 between the right connection board 202
Between angle C value range be 165 degree -175 spend, as shown in Figure 6.
Folding spelling formula tubbiness tower as described above is equipped in the connecting pin of the folded plate for reinforcing connecting with other folded plates
Stiffener plate 7, the inside of the stiffener plate 7, which is additionally provided with, reinforces plate 8, and the effect for reinforcing plate 8 and hole thereon is just
In accessory in installation tower；As shown in figure 9, stiffener plate 7, Ke Yiyu is arranged in the folded plate upper end such as on first segment cylinder 301
Another block folded plate adjacent with the folded plate reinforces connection on first segment cylinder 301, can also be with second above the folded plate
Folded plate on section cylinder 302 reinforces connection, therefore stiffener plate 7 is also bent over once.Stiffener plate 7 plays the work for reinforcing connection
With, it is relatively weak because the connecting pin of cylinder 3 is maximum by shearing, therefore need to be arranged stiffener plate 7 to increase its intensity.If
Be not provided with stiffener plate 7, then wall thickness will greatly increase, therefore be arranged stiffener plate 7 will for cylinder save about 3% to
6% material, and then save cost.
Further, 2 length of connecting plate on each block of folded plate is roughly equal, in this way convenient for the fast fast-growing of high-volume
It produces, is formed with gap 10 between the connecting plate 2 on connecting plate 2 and next section of cylinder 3 on cylinder 3 described in the preceding paragraph, i.e., upper one
Connecting plate 2 on Duan Suoshu cylinder 3 is not contacted with the connecting plate 2 on next section of cylinder 3.
Preferably, as shown in Figure 10, the reinforcement plate 8 may also pass through the stiffener plate 7 into the sky on one side
Gap 10 contacts the positioning plate 11 for being adjacent to and being formed with positioning action with the connecting plate 2, as shown, this kind of mode realizes pair
The horizontal and vertical positioning of connecting plate 2, very reliably.Certainly, two pieces of connecting plates 2 adjacent on cylinder 3 also can be made length
Difference, the connecting plate 2 on such the preceding paragraph cylinder 3 can be docked with the connecting plate 2 on next section of cylinder 3 and with next section of cylinder
Positioning action is realized in the overlapping of adjacent connecting plate 2 on 3, but this kind of mode has the drawback that first is the different connection of length
The notch that plate 2 needs to cut is bigger, will cause the waste of material, manufacturing process is also increasingly complex；Second is this kind of positioning method
It is proved by many experiments that reliable not as good as the above-mentioned positioning method using positioning plate 11；Third is that this kind of positioning method is only suitable for doing
Tapered tower is not suitable for being made into straight barrel type tower.
Folding spelling formula tubbiness tower as described above, the cylinder 3 is straight or cone cylinder shape, the material of the folded plate are excellent
Matter high strength steel plate is conducive to overall galvanizing technique.
The production installation step of the tower is as follows:
The first, according to required size, steel plate is cut into muti-piece；
The second, the bolt hole of multiple rows of same size is outputed respectively in steel plate both sides and upper lower end with digital controlled material cutting machine；
Third cuts out notch 5 and semicircular opening 6 respectively on the steel plate；
4th, with 8000 tons of intelligent numerical control forming machines by steel plate bending at left connection board 201, the right connection board of special angle
202, left-hand cylinder siding 401 and right barrel plate 402；
5th, folded plate is weldingly fixed on flanged plate 101 and forms flange assembly；
6th, overall galvanizing technique is carried out；
7th, flange assembly, muti-piece folded plate are transported to construction site；
8th, by stiffener plate 7, bolt 9 be combined into respectively bottom flange 1, single hop cylinder 3 and finally lifting connection formed
Whole tower；
It is first to be bent to form left connection board 201, right connection board 202 on steel plate both sides in 4th step, then at 4 middle part of barrel plate
Bending is primary to form left-hand cylinder siding 401 and right barrel plate 402, cannot be conducive to the release of stress so in turn.
The tower can serve as the casing in heavy construction foundation pit, the casing of large ocean engineering and man-made island, large-scale sea
The tower of upper, land wind-driven generator, EHV transmission shaft tower, the tower of city scenery lamp tower, television tower tower, super-large diameter
The casing of the main force's column and girder of material storage silo coal, ore in sand form, grain etc. and all kinds of large-scale steel structure groups of building, such as Figure 11 to 13
It is shown.
The present invention has been described in detail with reference to the accompanying drawings, those skilled in the art can be according to upper
It states and bright many variations example is made to the present invention.Thus, certain details in embodiment should not constitute limitation of the invention, this
Invention will be using the range that the appended claims define as protection scope of the present invention.
Claims (12)
1. a kind of folding spelling formula tubbiness tower, it is characterised in that: include bottom flange (1) and be located on bottom flange (1) to form bucket
The cylinder (3) of shape, the cylinder (3) are spliced by the folded plate that muti-piece is longitudinally bent；It is equipped in the connecting pin of the folded plate
Stiffener plate (7) for reinforcing connecting with other folded plates is additionally provided on the inside of the stiffener plate (7) and reinforces plate (8).
2. folding spelling formula tubbiness tower according to claim 1, it is characterised in that: the folded plate includes positioned at folded plate two sides
And the connecting plate (2) of direction bending, the barrel plate (4) being located between two pieces of connecting plates (2), adjacent two pieces of connecting plates into cylinder
(2) connection is posted and fixed, the connecting plate (2) of two sides is respectively left connection board (201) and right connection board (202).
3. folding spelling formula tubbiness tower according to claim 1, it is characterised in that: the cylinder (3) includes multistage, adjacent
It is connected and fixed between two sections of cylinders (3) by multiple bolts (9), cuts with bilateral symmetry in the connecting pin of adjacent two sections of cylinders (3)
Two notches (5).
4. folding spelling formula tubbiness tower according to claim 3, it is characterised in that: be additionally provided with semicircle at the notch (5)
Mouth (6).
5. folding spelling formula tubbiness tower according to claim 3, it is characterised in that: the cylinder (3) includes and the bottom
The first segment cylinder (301) of flange (1) connection, the second segment cylinder (302) being connect with first segment cylinder (301) upper end, first
The inside of second segment cylinder (302) is fixed in the upper end of section cylinder (301).
6. folding spelling formula tubbiness tower according to any one of claims 1 to 5, it is characterised in that: the bottom flange (1) is folding
Spelling formula flange, is spliced by muti-piece flange assembly, and the flange assembly includes flanged plate (101) and is welded on flanged plate
(101) folded plate on.
7. folding spelling formula tubbiness tower according to claim 2, it is characterised in that: the barrel plate (4) is indulged at least once
To bending.
8. folding spelling formula tubbiness tower according to claim 7, it is characterised in that: the barrel plate (4) is bent into left-hand cylinder
Siding (401) and right barrel plate (402), included angle A and described between the left-hand cylinder siding (401) and the left connection board (201)
Included angle B value range is 80 degree of -90 degree, the left-hand cylinder siding between right barrel plate (402) and the right connection board (202)
(401) angle C value range is 165 degree of -175 degree between right barrel plate (402).
9. folding spelling formula tubbiness tower according to any one of claims 1 to 5, it is characterised in that: the cylinder (3) is in straight tube
Shape or cone cylinder shape, the folded plate material are high-strength steel sheet；Using overall galvanizing anti-corrosion.
10. folding spelling formula tubbiness tower according to claim 5, it is characterised in that: the connecting plate on each block of folded plate
(2) equal length, shape between the connecting plate (2) on connecting plate (2) and next section of cylinder (3) on cylinder (3) described in the preceding paragraph
At there is gap (10).
11. folding spelling formula tubbiness tower according to claim 10, it is characterised in that: the reinforcement plate (8) passes through on one side
The stiffener plate (7) contacts to be adjacent to form the positioning with positioning action into the gap (10) with the connecting plate (2)
Plate (11).
12. folding spelling formula tubbiness tower according to claim 9, it is characterised in that: the tower can apply to heavy construction base
Cheat casing, large ocean engineering and man-made island casing, Large-scale Wind Turbines, EHV transmission shaft tower, urban landscape lamp
Tower, city television tower, main force's column of super-large diameter storage cylinder and all kinds of large-scale steel structure groups of building and girder casing in
Any one.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2016105235017 | 2016-07-05 | ||
| CN201610523501 | 2016-07-05 |
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| CN106438212A CN106438212A (en) | 2017-02-22 |
| CN106438212B true CN106438212B (en) | 2019-01-25 |
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| CN201610798840.6A Active CN106438212B (en) | 2016-07-05 | 2016-08-31 | A kind of folding spelling formula tubbiness tower |
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| CN106968895A (en) * | 2017-05-23 | 2017-07-21 | 北京三力新能科技有限公司 | A kind of Polygonal composite pylon |
| WO2019002921A1 (en) * | 2017-06-30 | 2019-01-03 | Arcelormittal | Wind turbine mast section, wind turbine mast and assembly method |
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| CN109441731A (en) * | 2019-01-14 | 2019-03-08 | 重庆大学 | A kind of wind-powered electricity generation pure steel structure tower having double mechanism of putting more energy into-carry |
| CN110469459A (en) * | 2019-07-29 | 2019-11-19 | 江苏振江新能源装备股份有限公司 | The bending plate and cylinder of novel super-high tower |
| CN110748157B (en) * | 2019-10-31 | 2021-10-01 | 中国一冶集团有限公司 | Silo conical hopper split type combined steel template and construction method thereof |
| WO2022086461A1 (en) * | 2020-10-24 | 2022-04-28 | Okurogullari Aydin | Modular wind tower |
| CN115059582A (en) * | 2022-06-20 | 2022-09-16 | 福建工程学院 | Polygonal wind power tower barrel split type combined structure and wind power tower barrel and application thereof |
| CN116557216A (en) * | 2023-07-07 | 2023-08-08 | 山西天宝集团有限公司 | New energy wind power generation segmented flange and connecting method |
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| CN106438212A (en) | 2017-02-22 |
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Denomination of invention: Bent and spliced type bucket-shaped tower barrel Effective date of registration: 20191012 Granted publication date: 20190125 Pledgee: China Co truction Bank Corp Zhongshan branch Pledgor: Guangdong Zhongyi Heavy Industry Co., Ltd.|Linyu Village Registration number: Y2019440000111 |