CN215561866U - Telescopic anti-collision ship device suitable for variable-cross-section bridge pier - Google Patents
Telescopic anti-collision ship device suitable for variable-cross-section bridge pier Download PDFInfo
- Publication number
- CN215561866U CN215561866U CN202120611324.4U CN202120611324U CN215561866U CN 215561866 U CN215561866 U CN 215561866U CN 202120611324 U CN202120611324 U CN 202120611324U CN 215561866 U CN215561866 U CN 215561866U
- Authority
- CN
- China
- Prior art keywords
- collision
- section
- pier
- steel
- retractable
- 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
Images
Classifications
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
Abstract
The utility model provides a telescopic anti-collision ship device suitable for a variable-section pier, which comprises a pier body and an anti-collision ship device body arranged on the periphery of the pier body in a circle. The anti-collision device is simple in structure, the two groups of steel shells of the anti-collision device are connected by the telescopic mechanism, the distance between the two groups of steel shells can be adjusted to adapt to a variable-section pier body while floating along with the water level, the anti-collision device is particularly suitable for a pier body of a large bridge, the phenomena of rotation around the pier, blocking and the like in the floating process can be avoided, and the anti-collision effect is good.
Description
Technical Field
The utility model belongs to the related technical field of ocean engineering safety protection equipment, and particularly relates to a telescopic anti-collision ship device suitable for a variable-section pier.
Background
With the rapid development of the infrastructure and shipping industry in China, the number of bridges and the navigation density of a channel are increased year by year, and the contradiction between the bridges and ships is increasingly prominent. Accidents of ships impacting bridges are frequent and rise, casualties, property loss and environmental damage caused by the accidents of ships impacting cause people to be surprised, and other indirect losses such as channel blockage, train stop, public psychological impact and the like are difficult to estimate.
The ship collision analysis shows that the bridge accident position is mainly due to the damage of the bridge pier structure, so the collision resistance of the bridge pier needs to be improved. Various types of anti-collision facilities are applied in China, the basic principle of the anti-collision facilities is designed based on energy absorption and momentum buffering, and classification is carried out according to the characteristics and the application range of the anti-collision facilities.
At present, steel box type ship collision prevention devices are commonly used, and the devices utilize plastic deformation of steel materials to dissipate energy. When a ship impacts the steel sleeve box and prevents the ship from impacting the device, the anti-collision steel plate is greatly deformed, the collision energy is absorbed, the contact time is prolonged, the impact force peak value is reduced, and simultaneously, due to structural deformation and interaction, the direction of the bow of the ship can be stirred to return to a correct channel, so that the energy exchange between the ship and the anti-collision device is reduced. The steel bushing box anti-ship collision device with the conventional design is of a fixed size, is difficult to adapt to a variable-section bridge pier of a large-scale bridge, and often has the phenomenon of rotation around a bridge pier or blocking during the operation process, so that the protection effect is greatly reduced, and hidden dangers are caused to the bridge. Therefore, it is necessary to improve the design deficiency of the conventional steel jacket.
SUMMERY OF THE UTILITY MODEL
The utility model provides a novel telescopic anti-collision ship device suitable for a variable-section bridge pier, and aims to solve the technical problems that the existing anti-collision ship device is often rotated around a bridge pier body or clamped during operation, so that the protection effect is greatly reduced, and hidden danger is caused to a bridge.
In view of the above, the utility model provides a novel telescopic anti-collision ship device suitable for a variable cross-section pier, which comprises a pier body and an anti-collision ship device body arranged on a circle of the periphery of the pier body, wherein the anti-collision ship device body comprises two groups of steel shells connected through a telescopic mechanism, a group of vertical partition plates are arranged inside each group of steel shells, a cavity formed by the vertical partition plates and the outer side surfaces of the steel shells is filled with an elastic buffering energy-absorbing material body, the steel shells are made of thin-wall steel plates, and reinforcing ribs are further arranged on the steel shells.
In the technical scheme, the two groups of steel shells with the same structure are connected through the telescopic mechanism, so that the two groups of steel shells can float along with the water level, and the distance between the two groups of steel shells is adjusted to adapt to a variable-section pier body, so that the phenomena of rotation around the pier and blockage in the floating process can be effectively avoided, and the anti-collision effect is good; on the other hand, the inside vertical partition plate of steel casing separates the inside of steel casing for two front and back cavitys, and the elasticity buffering energy-absorbing material that sets up in the cavity that vertical partition plate and steel casing lateral surface formed can form the energy-absorbing structure that the round is fine and close, has effectively improved the crashworthiness of steel casing.
In the above technical solution, optionally, the telescopic mechanism is a hydraulic telescopic rod, the hydraulic telescopic rod includes an inner sleeve and an outer sleeve, one end of the inner sleeve, which is provided with a fixture block, is movably inserted into an end portion of one end of the outer sleeve, the other end of the inner sleeve is arranged on a cross section of one of the steel housings, the other end of the outer sleeve is arranged on a cross section of the other steel housing through a hydraulic press, and a folding waterproof cloth connected to an outer side wall of the outer sleeve is arranged on an outer side wall of the inner sleeve.
In the technical scheme, the hydraulic telescopic rod can adjust the length of the hydraulic telescopic rod under the influence of the gravity of the steel shell according to the water level floating, and the relative distance between the two groups of steel shells is changed to adapt to the change of the section of the pier body; the foldable waterproof cloth that sets up between hydraulic telescoping rod's the outer sleeve and the inner skleeve can effectively avoid steam to dip inside hydraulic telescoping rod, influence hydraulic telescoping rod's life.
In the above technical solution, optionally, the telescopic mechanism includes a folding frame formed by at least one group of X-shaped folding structures.
In this technical scheme, the folding leg that X type beta structure constitutes is when the flexibility ratio is high, and the supporting force degree is stronger, can effectively guarantee to prevent that the ship hits the resistant degree of crashworthiness of device.
In the above technical solution, optionally, the steel shell and the contact surface of the pier body are uniformly provided with an anti-collision fender, and the contact surface of the anti-collision fender and the section of the pier body is provided with a wear-resisting plate.
In this technical scheme, anticollision fender is the preparation of rubber or other elastic material, can effectively cushion the energy dissipation, and the antifriction plate can effectively reduce the degree of wear of anticollision fender, prolongs the life of anticollision fender.
In the above technical solution, optionally, an FRP material is coated on an outer side surface of the steel shell.
In the technical scheme, the ERP material is a fiber reinforced composite material, and is coated on the outer surface of the steel shell, so that the ERP material can play roles in corrosion resistance, scratch resistance, buffering and energy absorption.
In the above technical solution, optionally, a sea water pump is further disposed inside the steel housing.
In the technical scheme, the sea water pump can effectively adjust water pressure load, so that the height of the ship collision prevention device exposed out of the water surface is matched with the height of ship collision.
In the above technical solution, optionally, two ends of the outer side surface of the steel shell are provided with an outward inclined edge.
In this technical scheme, the oblique side can guide the impact of boats and ships outwards when making boats and ships strike both ends, carries out the energy dissipation.
In the above technical solution, optionally, a plurality of supporting partitions are further disposed inside the steel casing, and a watertight compartment is enclosed between each supporting partition.
In this technical scheme, steel casing is inside to set up a plurality of supporting baffles, can effective local deformation energy dissipation.
Compared with the prior art, the utility model has the advantages that:
the anti-collision device comprises a telescopic mechanism, a variable cross-section pier body, a connecting rod and the connecting rod;
the ship collision preventing device has excellent structural design, can achieve the effect of integral stress deformation when being collided, and has good collision resistance;
thirdly, a set of multistage buffering energy dissipation system is formed by the steel shell, the FRP material, the elastic buffering energy absorption material body, the vertical partition plate, the supporting partition plate and the anti-collision fender, has the advantages of good buffering energy dissipation effect, low comprehensive manufacturing cost, no maintenance, environmental protection and the like, and has good practical application value and social benefit;
and fourthly, the ship collision prevention device is simple in structure and convenient to manufacture, install, use and maintain.
Drawings
FIG. 1 illustrates a side view schematic of a telescopic bump per unit adapted to a variable cross section pier according to an embodiment of the present invention;
fig. 2 shows a schematic top view of a telescopic impact protection device for a variable cross-section pier according to an embodiment of the utility model.
The names corresponding to the reference numerals in the drawing are a pier body 101, a telescopic mechanism 102, a steel shell 103, a vertical partition plate 104, an elastic buffering energy-absorbing material body 105, an anti-collision fender 106 and a supporting partition plate 107.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present invention, it should be noted that the indication of the orientation or the positional relationship is based on the orientation or the positional relationship shown in the drawings, or the orientation or the positional relationship which is usually placed when the utility model is used, or the orientation or the positional relationship which is conventionally understood by those skilled in the art, is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the indicated device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be further noted that the terms "disposed" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, unless explicitly stated or limited otherwise; may be directly connected or indirectly connected through an intermediate. Specific meanings of the above terms in the present invention and drawings in the embodiments are understood in specific cases, and technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious for those skilled in the art that the described embodiments are a part of the embodiments of the present invention, and not all of the embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
The utility model is further described with reference to the following figures and specific examples.
As shown in fig. 1 and 2, the telescopic anti-collision ship device suitable for the variable cross-section pier comprises a pier body 101 and an anti-collision ship device body arranged in a circle at the periphery of the pier body 101, wherein the anti-collision ship device body comprises two sets of steel shells 103 connected through a telescopic mechanism 102, each set of steel shells 103 are internally provided with a set of vertical partition plates 104, the vertical partition plates 104 are filled with elastic buffering energy-absorbing material bodies 105 in cavities formed by the outer side surfaces of the steel shells 103, the steel shells 103 are made of thin-wall steel plates, and reinforcing ribs are further arranged on the steel shells 103.
The two groups of steel shells 103 with the same structure are connected through the telescopic mechanism 102, so that the two groups of steel shells 103 can float along with the water level, and the distance between the two groups of steel shells 103 is adjusted to adapt to the variable-section pier body 101, so that the phenomena of pier rotation and jamming in the floating process can be effectively avoided, and the anti-collision effect is good; on the other hand, the inside vertical partition plate 104 of the steel shell 103 divides the inside of the steel shell 103 into a front cavity and a rear cavity, and the elastic buffering energy-absorbing material arranged in the cavity formed by the vertical partition plate 104 and the outer side surface of the steel shell 103 can form a circle of compact energy-absorbing structure, so that the anticollision degree of the steel shell 103 is effectively improved.
Further, the telescopic mechanism 102 is a hydraulic telescopic rod (not shown in the figure), the hydraulic telescopic rod comprises an inner sleeve and an outer sleeve (not shown in the figure), one end of the inner sleeve, which is provided with a fixture block, is movably inserted into an end part of one end of the outer sleeve, the other end of the inner sleeve is arranged on a cross section of one steel shell 103, the other end of the outer sleeve is arranged on a cross section of the other steel shell 103 through a hydraulic press, a folding waterproof cloth connected with the outer side wall of the outer sleeve is arranged on the outer side wall of the inner sleeve, anti-collision fenders 106 are uniformly arranged on the contact surface of the steel shell 103 and the pier body 101, a wear-resisting plate (not shown in the figure) is arranged on the contact surface of the anti-collision fenders 106 and the cross section of the pier body 101, an FRP material (not shown in the figure) is coated on the outer side surface of the steel shell 103, the inside of the steel shell 103 is further provided with a sea water pump, two ends of the outer side surface of the steel shell 103 are provided with outward inclined edges, the inside of the steel shell 103 is further provided with a plurality of supporting partition plates 107, and a watertight compartment (not shown in the figure) is enclosed between each supporting partition plate 107.
The hydraulic telescopic rod can adjust the length of the hydraulic telescopic rod under the influence of the gravity of the steel shell 103 according to the water level floating, and the relative distance between the two groups of steel shells 103 is changed to adapt to the change of the section of the pier body 101; the folding waterproof cloth arranged between the outer sleeve and the inner sleeve of the hydraulic telescopic rod can effectively prevent water vapor from immersing into the hydraulic telescopic rod to affect the service life of the hydraulic telescopic rod, the anti-collision fender 106 is made of rubber or other elastic materials and can effectively buffer and dissipate energy, the wear-resisting plate can effectively reduce the wear degree of the anti-collision fender 106 and prolong the service life of the anti-collision fender 106; the ERP material is a fiber reinforced composite material, is coated on the outer surface of the steel shell 103, and can play roles in corrosion resistance, scraping resistance, buffering and energy absorption; the sea water pump can effectively adjust water pressure load, so that the height of the ship collision prevention device exposed out of the water surface is matched with the height of ship collision; the inclined edges can guide the impact force of the ship outwards to dissipate energy when the ship impacts the two end parts; a plurality of supporting partition plates 107 are arranged in the steel shell 103, so that energy dissipation can be effectively realized through local deformation.
On the other hand, the telescopic mechanism 102 includes at least one folding leg (not shown in the figure) composed of a group of X-shaped folding structures, and the folding leg composed of the X-shaped folding structures has high flexibility and strong supporting force, so that the crashworthiness of the ship crash prevention device can be effectively ensured.
The actual working principle is as follows: the ship collision prevention device has buoyancy, water pressure load is adjusted through a seawater pump during installation, and the height of the ship collision prevention device exposed out of the water surface is kept to be matched; when the ship device anti-collision device is moved, the steel shell 103 made of FRP materials extends the area of a collision area, so that the elastic buffering energy-absorbing material body 105 participates in deformation energy dissipation, in the process, the elastic buffering energy-absorbing material body 105 is limited to deform and prolong the collision time course, the collision energy is buffered, then the internal structure and the steel shell 103 deform and break to consume the kinetic energy of the ship, meanwhile, the shape design of the steel shell 103 guides the head of the ship to slide outwards to drive the residual kinetic energy, the energy exchange is reduced, the collision damage is reduced, and in the collision process, the anti-collision fender 106 is in elastic contact with the pier body 101, so that the outer wall of the pier body 101 is not damaged.
If the moving ship has large tonnage and high speed and collides with the front surface of the ship collision prevention device, the ship head cannot be guided to slide, the steel shell 103 and the elastic buffering energy-absorbing material body 105 participate in deformation energy dissipation and cannot absorb all the kinetic energy of the ship, the vertical partition plate 104 and the support partition plate 107 of the internal structure and the reinforcement participate in deformation energy dissipation, and the anti-collision fender 106 participates in further deformation through extrusion, so that the ship collision prevention device forms four-level energy dissipation protection, namely the steel shell 103 provided with FRP materials is integrally deformed, the elastic buffering energy-absorbing material body 105 delays the collision time, the vertical partition plate 104 and the support partition plate 107 of the internal structure, the reinforcement locally deforms and dissipates energy, and the anti-collision fender 106 deforms and dissipates energy; above-mentioned multistage energy dissipation protection not only can make the striking in "just gentle alternation" dissipate energy, reduces bridge, boats and ships and prevents the damage that the ship hit the device, conveniently keeps in repair and changes preventing the ship and hitting the device after the ship hits the accident emergence in addition, carries out local dismantlement according to the actual deformation condition promptly and changes.
On the other hand, the elastic buffering energy-absorbing material can deform and dissipate energy when the ship collision prevention device is impacted by a ship, water cannot completely enter the cabin when the structure of the ship collision prevention device is impacted and deformed to break the cabin, so that the sinking condition of the ship collision prevention device is avoided, the steel shell, the vertical partition plate 104 and the supporting partition plate 107 can be prevented from buckling by filling a gap in the steel shell, and when the ship collides with a local area, the structure deforms and extends towards two ends, so that the whole energy dissipation effect is achieved.
The technical scheme of the utility model is explained in detail by combining the attached drawings, and the technical scheme of the utility model provides a novel telescopic ship collision prevention device with a telescopic mechanism adaptive to a variable-section bridge pier body.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a telescopic anticollision ship device of adaptation variable cross section pier, is in including pier body and setting the anticollision ship device body of the peripheral round of pier body, its characterized in that, anticollision ship device body includes two sets of steel casings that connect through telescopic machanism, every group the inside of steel casing all is provided with a set of vertical baffle, vertical baffle with the cavity intussuseption that the lateral surface of steel casing formed is filled with the elastic buffer energy-absorbing material body.
2. The retractable anti-collision ship device for the variable cross-section pier according to claim 1, wherein the retractable mechanism is a hydraulic retractable rod.
3. The telescopic anti-collision ship device suitable for the variable cross-section pier as claimed in claim 2, wherein the hydraulic telescopic rod comprises an inner sleeve and an outer sleeve, one end of the inner sleeve provided with a fixture block is movably inserted into the end part of one end of the outer sleeve, the other end of the inner sleeve is arranged on the cross section of one steel shell, the other end of the outer sleeve is arranged on the cross section of the other steel shell through a hydraulic machine, and the outer side wall of the inner sleeve is provided with a folding waterproof cloth connected with the outer side wall of the outer sleeve.
4. The retractable linkward assembly for variable cross section piers of claim 1, wherein said retractable mechanism comprises at least one set of folding legs consisting of X-shaped folding structures.
5. The telescopic anti-collision ship device for the variable cross-section pier is characterized in that an anti-collision fender is uniformly arranged on the contact surface of the steel shell and the pier body, and an anti-collision wear plate is arranged on the contact surface of the anti-collision fender and the section of the pier body.
6. The retractable crash barrier assembly as recited in claim 1, wherein said outer side of said steel shell is coated with FRP material.
7. The retractable anti-collision ship device for the variable cross-section pier according to claim 1, wherein a sea water pump is further arranged inside the steel shell.
8. The retractable anti-collision ship device suitable for the variable-section pier according to claim 1, wherein a reinforcement is arranged on the steel shell.
9. The retractable linkpea device for variable cross-section piers according to claim 1, wherein both ends of the outer side of the steel hull are provided with an outwardly inclined edge.
10. The retractable crash barrier assembly as recited in claim 1, wherein said steel shell further comprises a plurality of support panels disposed within said steel shell, each of said support panels enclosing a watertight compartment therebetween.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023257714 | 2020-12-29 | ||
| CN2020232577140 | 2020-12-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215561866U true CN215561866U (en) | 2022-01-18 |
Family
ID=79854785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120611324.4U Active CN215561866U (en) | 2020-12-29 | 2021-03-25 | Telescopic anti-collision ship device suitable for variable-cross-section bridge pier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215561866U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116752495A (en) * | 2023-06-29 | 2023-09-15 | 江苏科技大学 | Ship collision prevention type bridge pier protection device and construction method |
-
2021
- 2021-03-25 CN CN202120611324.4U patent/CN215561866U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116752495A (en) * | 2023-06-29 | 2023-09-15 | 江苏科技大学 | Ship collision prevention type bridge pier protection device and construction method |
| CN116752495B (en) * | 2023-06-29 | 2024-04-23 | 江苏科技大学 | Ship collision prevention type bridge pier protection device and construction method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201896287U (en) | Buffer device for collision-preventing structure of bridge pier | |
| CN210857117U (en) | Novel ship collision is prevented to group's stake formula bridge device | |
| CN204266167U (en) | Anticollision device of pier | |
| CN215561866U (en) | Telescopic anti-collision ship device suitable for variable-cross-section bridge pier | |
| CN112609636B (en) | Ship collision preventing device of water structure | |
| CN112591015A (en) | Protective device for intercepting large-scale moving object on water surface | |
| CN105804013A (en) | Universal joint type anti-collision device | |
| CN203403351U (en) | Water collision protector | |
| CN211228374U (en) | Anticollision piece and anticollision structure | |
| CN112813803B (en) | Anti-collision buffer type pier for water navigation traffic | |
| CN109629520A (en) | A kind of multi-buffer energy-dissipating type anticollision corrosion-resisting steel buoyancy tank | |
| CN213575290U (en) | Large-load air bag vibration isolator structure for protective ship | |
| CN111846137A (en) | Anti-rolling detachable anti-collision structure with ice breaking function | |
| CN214245600U (en) | Ship collision prevention device for elastic corrugated interlayer flexible bridge | |
| CN205776089U (en) | A kind of anticollision device, collision-prevention device of universal joint | |
| CN102080362A (en) | Isolated-type bridge pier anti-collision device | |
| CN210258769U (en) | Glass fiber reinforced plastic reef boarding ship | |
| CN209760154U (en) | adjustable flexible ship collision prevention buoy capable of changing along with water level | |
| CN210086174U (en) | Steel buoyancy tank for bridge collision prevention | |
| CN110616675B (en) | Bridge pile foundation combined type crumpling anti-torsion anti-collision system and construction method thereof | |
| CN210086172U (en) | Multistage buffering energy-consumption type bridge anti-collision device | |
| CN113605316A (en) | Rubber fender with buffering shock-absorbing function | |
| CN219406844U (en) | Fender assembly for ship | |
| CN217870299U (en) | Anti-collision device for water transport channel | |
| CN217839673U (en) | Hierarchical energy-consumption ship-collision-prevention buffer device capable of quantifying collision resistance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A telescopic anti-collision ship device adapted to variable-section bridge piers Effective date of registration: 20220726 Granted publication date: 20220118 Pledgee: Industrial Bank Limited by Share Ltd. Wuhan branch Pledgor: WUHAN LITUO BRIDGE TECHNOLOGY CRASH FACILITY Co.,Ltd. Registration number: Y2022420000236 |