CN116215744A - Unmanned ship multi-beam equipment lifting device - Google Patents
Unmanned ship multi-beam equipment lifting device Download PDFInfo
- Publication number
- CN116215744A CN116215744A CN202310446842.9A CN202310446842A CN116215744A CN 116215744 A CN116215744 A CN 116215744A CN 202310446842 A CN202310446842 A CN 202310446842A CN 116215744 A CN116215744 A CN 116215744A
- Authority
- CN
- China
- Prior art keywords
- fixed
- lifting
- rod
- hinged
- unmanned ship
- 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.)
- Granted
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B17/00—Vessels parts, details, or accessories, not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B17/00—Vessels parts, details, or accessories, not otherwise provided for
- B63B2017/0054—Rests or supports for movable ship-borne equipment
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Ship Loading And Unloading (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention relates to the technical field of auxiliary equipment, in particular to an unmanned ship multi-beam equipment lifting device which is used for preventing multi-beam equipment from being knocked and damaged during frequent disassembly and transportation of the multi-beam equipment and comprises a multi-beam installation tube and a fixed frame, wherein one end of the multi-beam installation tube is provided with an installation flange plate, the other end of the multi-beam installation tube is provided with a multi-beam equipment fixing flange chassis, the bottom of the multi-beam installation tube is provided with a limiting piece, the top of the fixed frame is fixed on the multi-beam installation tube through a jogging piece, and the bottom of the fixed frame is connected with the multi-beam installation tube through a sleeve; the bottom of the fixing frame is connected with a cross beam, and the limiting piece is fixed with the cross beam through a fixing plate; lifting structures are connected to two sides of the fixing frame, and the two lifting structures are connected through a reinforcing rod. The lifting device is simple in structure principle and low in cost, lifting of the multi-beam equipment can be achieved through stretching and retracting of the push rod, lifting distance is obtained, and collision during frequent disassembly and testing of the multi-beam equipment and transportation is avoided.
Description
Technical Field
The invention relates to the technical field of auxiliary equipment, in particular to a lifting device of unmanned ship multi-beam equipment.
Background
The multi-beam is a marine instrument used in the fields of surveying and mapping science and technology, hydraulic engineering and transportation engineering, and is mainly applied to underwater topography and topography surveying and mapping, underwater target salvaging, underwater pipeline laying and the like, and is usually installed and fixed on the shipboard on two sides of a ship body.
The multi-beam device is required to be installed at a distance which is less than tens of centimeters of the ship bottom because the influence of bubbles and turbulence generated when an unmanned ship advances is avoided as much as possible in the use process, the multi-beam device is required to be firmly fixed and cannot shake, otherwise, a large error is generated in data acquisition, so that if the multi-beam device is installed in advance and then tested, collision is easy to occur in the transportation process, the multi-beam device is required to be installed on site when the multi-beam device is used for submarine measurement, the multi-beam device is required to be removed after the measurement is finished and transported, and the workload is increased.
Disclosure of Invention
The invention provides a lifting device for multi-beam equipment of an unmanned ship, which solves the problem that the multi-beam equipment needs to be frequently disassembled and is easy to collide in the transportation process in the prior art.
In order to achieve the above purpose, the technical solution adopted by the invention is as follows:
the lifting device of the multi-beam equipment of the unmanned ship comprises a multi-beam installation pipe and a fixing frame, wherein one end of the multi-beam installation pipe is provided with an installation flange plate, the other end of the multi-beam installation pipe is provided with a multi-beam equipment fixing flange chassis, the multi-beam installation pipe is provided with a threading hole, and the threading hole is close to the installation flange plate; the bottom of the multi-beam mounting pipe is provided with a limiting piece, the top of the fixing frame is fixed on the multi-beam mounting pipe through a jogging piece, and the bottom of the fixing frame is connected with the multi-beam mounting pipe through a sleeve; the bottom of the fixing frame is connected with a cross beam, and the limiting piece is fixed with the cross beam through a fixing plate; lifting structures are connected to two sides of the fixing frame, and the two lifting structures are connected through a reinforcing rod.
Further, the mount includes dead lever, telescopic link and movable rod, the top at the multibeam installation tube is connected to the movable rod, and the dead lever is fixed in the bottom of multibeam installation tube and is connected with the crossbeam, is connected through the telescopic link between movable rod and the dead lever, the telescopic link flexible end is connected with the movable rod.
Further, the lifting structure comprises hinge frames, hinge parts and brackets, each lifting structure is provided with four brackets, two ends of each bracket are connected with the hinge parts, the hinge parts are hinged with the hinge frames, and each hinge frame is hinged with two hinge parts; the lifting structure is diamond-shaped, wherein the hinged frames at two ends of a diagonal line are fixed on the fixed frame through the fixed seat; the hinge brackets at two ends of the other diagonal line are fixedly provided with push rods which can extend or retract the lifting structure.
Further, a displacement sensor is fixed on the push rod and is connected with the control system through a data line; the both ends of push rod are connected with the articulated frame through the connecting piece, the push rod divide into fixed part and telescopic part, fixed part is connected with the stiffener.
Further, the limiting piece comprises a three-jaw chuck and a connecting plate, the three-jaw chuck is fixed on the cross beam through the connecting plate, and the three-jaw chuck is matched with the multi-beam mounting tube; the connecting plate is provided with a reinforcing plate, one end of the reinforcing plate is connected with the cross beam, and the other end of the reinforcing plate is fixed on the connecting plate.
Further, the fitting member includes a first fitting portion and a second fitting portion; the first embedded part is fixed on the multi-beam installation tube, and the second embedded part is fixed on the fixing frame through bolts.
Further, the hinge piece comprises a hinge part and a connecting part, wherein the hinge part is hinged with the hinge piece, and the connecting part is fixedly connected with the bracket.
The beneficial technical effects of the invention are as follows:
(1) According to the lifting device, the lifting structure is driven to stretch or shrink through the stretching of the push rod, so that the fixing frame fixed on the lifting structure can do lifting movement, lifting of the multi-beam equipment mounted on the mounting flange plate is achieved, lifting displacement of the multi-beam equipment can be obtained through the stretching quantity of the push rod, the device is simple in overall structure principle and low in cost, and lifting of the multi-beam equipment can be achieved and lifting distance can be obtained only through stretching of the push rod. The multi-beam device is fixed on a ship through the cross beam, when the device is required to be transported, the multi-beam device fixed on the multi-beam mounting tube is lifted to the position above the bottom surface of the ship through the lifting mechanism, collision during transportation can be avoided, and when the device is required, the multi-beam device is lowered into water to measure data. Therefore, the multi-beam equipment is not required to be frequently disassembled during transportation, collision during transportation is avoided, and the working strength of field workers is reduced.
(2) According to the invention, under the reinforcement of the lifting structure, the three-jaw chuck and the sleeve, the tight fixation of the multi-beam equipment and the IMU mounted on the multi-beam mounting tube on the unmanned ship is realized, the quantitative positional relationship between the multi-beam equipment and other sensors such as the IMU is maintained, and the maintenance of the rigid geometric relationship is facilitated.
(3) According to the invention, after the multi-beam equipment is lifted to the specified position, the three-jaw chuck is driven by the controller to lock the multi-beam installation tube, so that the working position of the multi-beam equipment is fixed, and the multi-beam equipment stably works.
Drawings
Fig. 1 is a schematic diagram of a lifting device for a multi-beam apparatus of an unmanned ship.
Fig. 2 is a schematic view of a fixing frame.
Fig. 3 is a schematic view of a lifting structure.
Fig. 4 is a schematic illustration of a pushrod.
Fig. 5 is a schematic diagram of connection between the lifting structure and the control system.
Fig. 6 is a schematic view of the fitting member.
Fig. 7 is a schematic view of a hinge.
In the figure: 1. a multi-beam mounting tube; 2. a fixing frame; 3. installing a flange plate; 4. a multi-beam equipment fixing flange chassis; 5. a threading hole; 6. a limiting piece; 7. a fitting member; 8. a sleeve; 9. a cross beam; 10. a lifting structure; 11. a reinforcing rod; 12. a hinge bracket; 13. a hinge; 14. a bracket; 15. a fixing seat; 16. a push rod; 17. a displacement sensor; 18. a data line; 19. a control system; 21. a fixed rod; 23. a telescopic rod; 22. a moving rod; 31. a three-jaw chuck; 32. a connecting plate; 33. a reinforcing plate; 34. a fixing part; 35. a telescopic part; 36. a connecting piece; 72. a first fitting portion; 71. a second fitting portion; 43. a hinge part; 44. and a connecting part.
Detailed Description
As shown in fig. 1, the lifting device for the multi-beam equipment of the unmanned ship comprises a multi-beam installation tube 1 and a fixing frame 2, wherein one end of the multi-beam installation tube 1 is provided with an installation flange plate 3, the other end of the multi-beam installation tube is provided with a multi-beam equipment fixing flange chassis 4, the multi-beam installation tube 1 is provided with a threading hole 5, and the threading hole 5 is close to the installation flange plate 3; the bottom of the multi-beam installation tube 1 is provided with a limiting piece 6, the top of the fixing frame 2 is fixed on the multi-beam installation tube 1 through a jogging piece 7, and the bottom is connected with the multi-beam installation tube 1 through a sleeve 8; the bottom of the fixing frame 2 is connected with a cross beam 9, and the limiting piece 6 is fixed with the cross beam 9 through a fixing plate; the two sides of the fixing frame 2 are connected with lifting structures 10, and the two lifting structures 10 are connected through a reinforcing rod 11. The multi-beam equipment is installed on the multi-beam installation tube 1, the fixing frame 2 is driven to move through the lifting structure 10, and the fixing frame 2 drives the multi-beam installation tube 1 to lift, so that the multi-beam equipment can lift, the problems of frequent disassembly, test and collision during transportation of the multi-beam equipment are avoided, and meanwhile, the working intensity of field workers is reduced.
As shown in fig. 2, the fixing frame 2 includes a fixing rod 21, a telescopic rod 23 and a moving rod 22, the moving rod 22 is connected to the top of the multi-beam installation tube 1, the fixing rod 21 is fixed to the bottom of the multi-beam installation tube 1 and connected to the cross beam 9, the moving rod 22 is connected to the fixing rod 21 through the telescopic rod 23, and the telescopic end of the telescopic rod 23 is connected to the moving rod 22. The fixing frame 2 is fixed on the unmanned ship through the cross beam 9, and when the lifting structure 10 is lifted, the moving rod 22 is synchronously lifted through the telescopic rod 23, so that the multi-beam installation tube 1 is lifted.
As shown in fig. 3, the lifting structure 10 includes hinge brackets 12, hinge members 13 and brackets 14, each lifting structure 10 has four brackets 14, two ends of each bracket 14 are connected with the hinge members 13, the hinge members 13 are hinged with the hinge brackets 12, and each hinge bracket 12 is hinged with two hinge members 13; the lifting structure 10 is diamond-shaped, wherein the hinged frames 12 positioned at two ends of a diagonal line are fixed on the fixed frame 2 through the fixed seat 15; the hinge brackets 12 at the other diagonal ends are fixed with push rods 16, and the push rods 16 can extend or retract the lifting structure 10. When the push rod 16 is contracted, the angle of the bracket 14 which is close to the fixed seat 15 is reduced, and the angle formed by the bracket 14 which is close to the push rod 16 is increased, so that the lifting structure 10 is lifted, and the fixed frame 2 is lifted. When the push rod 16 extends, the angle of the bracket 14 near the fixed seat 15 becomes larger, and the angle formed by the bracket 14 near the push rod 16 is reduced, so that the lifting structure 10 is lowered, and the fixed frame 2 is lowered.
As shown in fig. 4 and 5, a displacement sensor 17 is fixed on the push rod 16, and the displacement sensor 17 is connected with a control system 19 through a data line 18; the two ends of the push rod 16 are connected with the hinge frame 12 through a connecting piece 36, the push rod 16 is divided into a fixed part 34 and a telescopic part 35, and the fixed part 34 is connected with the reinforcing rod 11. The displacement sensor 17 can measure the displacement distance of the push rod 16, and send parameters to the control system 19, and the lifting distance of the lifting structure 10 is calculated by the Pythagorean theorem.
The limiting piece 6 comprises a three-jaw chuck 31 and a connecting plate 32, the three-jaw chuck 31 is fixed on the cross beam 9 through the connecting plate 32, and the three-jaw chuck 31 is matched with the multi-beam installation tube 1; the connecting plate 32 is provided with a reinforcing plate 33, one end of the reinforcing plate 33 is connected with the cross beam 9, and the other end of the reinforcing plate is fixed on the connecting plate 32. The multi-beam installation tube 1 is fixed in the three-jaw chuck 31, when the multi-beam installation tube 1 needs to be moved, the three-jaw chuck 31 is opened, and after the movement of the multi-beam installation tube 1 is finished, the multi-beam installation tube 1 is fixed by the three-jaw chuck 31, so that the stability of equipment is improved.
As shown in fig. 6, the fitting member 7 includes a first fitting portion 72 and a second fitting portion 71; the first fitting portion 72 is fixed to the multibeam mounting tube 1, and the second fitting portion 71 is fixed to the fixing frame 2 by a bolt.
As shown in fig. 7, the hinge 13 includes a hinge portion 43 and a connection portion 44, the hinge portion 43 is hinged with the hinge 13, and the connection portion 44 is fixedly connected with the bracket 14.
It should be understood that the above description is not intended to limit the invention to the particular embodiments disclosed, but to limit the invention to the particular embodiments disclosed, and that the invention is not limited to the particular embodiments disclosed, but is intended to cover modifications, adaptations, additions and alternatives falling within the spirit and scope of the invention.
Claims (7)
1. The lifting device of the multi-beam equipment of the unmanned ship is characterized by comprising a multi-beam installation pipe (1) and a fixing frame (2), wherein one end of the multi-beam installation pipe (1) is provided with an installation flange plate (3), the other end of the multi-beam installation pipe is provided with a multi-beam equipment fixing flange chassis (4), the multi-beam installation pipe (1) is provided with a threading hole (5), and the threading hole (5) is close to the installation flange plate (3); the bottom of the multi-beam mounting tube (1) is provided with a limiting piece (6), the top of the fixing frame (2) is fixed on the multi-beam mounting tube (1) through a jogging piece (7), and the bottom is connected with the multi-beam mounting tube (1) through a sleeve (8); the fixed frame (2) is fixed on the ship body through the cross beam (9), and the limiting piece (6) is fixed with the cross beam (9) through a fixed plate; lifting structures (10) are connected to two sides of the fixing frame (2), and the two lifting structures (10) are connected through a reinforcing rod (11).
2. The lifting device for the unmanned ship multi-beam equipment according to claim 1, wherein the fixing frame (2) comprises a fixing rod (21), a telescopic rod (23) and a moving rod (22), the moving rod (22) is connected to the top of the multi-beam installation pipe (1), the fixing rod (21) is fixed to the bottom of the multi-beam installation pipe (1) and connected with the cross beam (9), the moving rod (22) is connected with the fixing rod (21) through the telescopic rod (23), and the telescopic end of the telescopic rod (23) is connected with the moving rod (22).
3. The lifting device of the unmanned ship multi-beam equipment according to claim 1, wherein the lifting structure (10) comprises a hinged frame (12), hinged pieces (13) and brackets (14), each lifting structure (10) comprises four brackets (14), two ends of each bracket (14) are connected with the hinged pieces (13), the hinged pieces (13) are hinged with the hinged frames (12), and each hinged frame (12) is hinged with two hinged pieces (13); the lifting structure (10) is diamond-shaped, wherein the hinged frames (12) at two ends of a diagonal line are fixed on the fixed frame (2) through the fixed seat (15); the hinge frames (12) at the two ends of the other diagonal line are fixedly provided with push rods (16), and the push rods (16) enable the lifting structure (10) to extend or retract.
4. A lifting device for a multi-beam device of an unmanned ship according to claim 3, wherein a displacement sensor (17) is fixed on the push rod (16), and the displacement sensor (17) is connected with a control system (19) through a data line (18); the two ends of the push rod (16) are connected with the hinge frame (12) through connecting pieces (36), the push rod (16) is divided into a fixed part (34) and a telescopic part (35), and the fixed part (34) is connected with the reinforcing rod (11).
5. The lifting device of the unmanned ship multi-beam equipment according to claim 1, wherein the limiting piece (6) comprises a three-jaw chuck (31) and a connecting plate (32), the three-jaw chuck (31) is fixed on the cross beam (9) through the connecting plate (32), and the three-jaw chuck (31) is matched with the multi-beam installation pipe (1); the connecting plate (32) is provided with a reinforcing plate (33), one end of the reinforcing plate (33) is connected with the cross beam (9), and the other end of the reinforcing plate is fixed on the connecting plate (32).
6. The unmanned ship multi-beam device lifting apparatus according to claim 1, wherein the engaging means (7) comprises a first engaging portion (72) and a second engaging portion (71); the first fitting part (72) is fixed on the multi-beam mounting tube (1), and the second fitting part (71) is fixed on the fixing frame (2) through bolts.
7. A lifting device for a multi-beam apparatus of an unmanned ship according to claim 3, wherein the hinge member (13) comprises a hinge portion (43) and a connecting portion (44), the hinge portion (43) is hinged to the hinge member (13), and the connecting portion (44) is fixedly connected to the bracket (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310446842.9A CN116215744B (en) | 2023-04-24 | 2023-04-24 | Unmanned ship multi-beam equipment lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310446842.9A CN116215744B (en) | 2023-04-24 | 2023-04-24 | Unmanned ship multi-beam equipment lifting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116215744A true CN116215744A (en) | 2023-06-06 |
| CN116215744B CN116215744B (en) | 2023-08-01 |
Family
ID=86585761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310446842.9A Active CN116215744B (en) | 2023-04-24 | 2023-04-24 | Unmanned ship multi-beam equipment lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116215744B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100646592B1 (en) * | 2006-04-18 | 2006-11-23 | 지마텍 주식회사 | Frame for multi beam echo sounder |
| CN101532830A (en) * | 2009-04-21 | 2009-09-16 | 中国港湾工程有限责任公司 | Lifting device for measurement of multi-beam transducer |
| KR101390719B1 (en) * | 2013-04-17 | 2014-04-30 | (주)해양공간정보기술 | Tilting device for multi-beam echo sounder |
| CN106886015A (en) * | 2017-02-23 | 2017-06-23 | 山东科技大学 | A kind of detection means and detection method of multibeam sonar primary acoustic index |
| CN207515779U (en) * | 2017-11-16 | 2018-06-19 | 国家海洋局第二海洋研究所 | A kind of measuring system for being applicable in islands and reefs and seashore |
| CN209938891U (en) * | 2019-05-27 | 2020-01-14 | 国家海洋局北海海洋技术保障中心 | Mounting bracket of shipborne multi-beam measuring device |
| CN110762373A (en) * | 2019-12-26 | 2020-02-07 | 鲁东大学 | Lifting device for marine equipment and using method thereof |
| CN214405348U (en) * | 2021-08-25 | 2021-10-15 | 深圳市勘察研究院有限公司 | Marine marine reconnaissance instrument fixing device |
| CN113895562A (en) * | 2021-08-13 | 2022-01-07 | 航天科工深圳（集团）有限公司 | Sonar retracting mechanism for boat |
| CN216185814U (en) * | 2021-09-18 | 2022-04-05 | 天津水运工程勘察设计院有限公司 | Installation fixing device of shipborne underwater measurement system |
-
2023
- 2023-04-24 CN CN202310446842.9A patent/CN116215744B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100646592B1 (en) * | 2006-04-18 | 2006-11-23 | 지마텍 주식회사 | Frame for multi beam echo sounder |
| CN101532830A (en) * | 2009-04-21 | 2009-09-16 | 中国港湾工程有限责任公司 | Lifting device for measurement of multi-beam transducer |
| KR101390719B1 (en) * | 2013-04-17 | 2014-04-30 | (주)해양공간정보기술 | Tilting device for multi-beam echo sounder |
| CN106886015A (en) * | 2017-02-23 | 2017-06-23 | 山东科技大学 | A kind of detection means and detection method of multibeam sonar primary acoustic index |
| CN207515779U (en) * | 2017-11-16 | 2018-06-19 | 国家海洋局第二海洋研究所 | A kind of measuring system for being applicable in islands and reefs and seashore |
| CN209938891U (en) * | 2019-05-27 | 2020-01-14 | 国家海洋局北海海洋技术保障中心 | Mounting bracket of shipborne multi-beam measuring device |
| CN110762373A (en) * | 2019-12-26 | 2020-02-07 | 鲁东大学 | Lifting device for marine equipment and using method thereof |
| CN113895562A (en) * | 2021-08-13 | 2022-01-07 | 航天科工深圳（集团）有限公司 | Sonar retracting mechanism for boat |
| CN214405348U (en) * | 2021-08-25 | 2021-10-15 | 深圳市勘察研究院有限公司 | Marine marine reconnaissance instrument fixing device |
| CN216185814U (en) * | 2021-09-18 | 2022-04-05 | 天津水运工程勘察设计院有限公司 | Installation fixing device of shipborne underwater measurement system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116215744B (en) | 2023-08-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101929583B (en) | Deep water submarine pipeline axial aiming machine | |
| CN101726449B (en) | Non-destructive test equipment | |
| US11035091B1 (en) | Transportation device for offshore platforms and method for installing the same | |
| CN103711986B (en) | The pushing tow system of factory law tube coupling prefabricated construction and pushing method | |
| CN110206067B (en) | Immersed tunnel pipe section floating transportation and sinking position adjusting device and operation method thereof | |
| CN105000128A (en) | Mud door installation method for trailing suction hopper dredger | |
| CN108571425A (en) | A kind of offshore wind turbine pile foundation support table basis and its construction method | |
| CN116215744B (en) | Unmanned ship multi-beam equipment lifting device | |
| CN111794119A (en) | Temporary support system and hoisting method for basket type steel box tied arch | |
| CN110106881A (en) | A kind of steel-pipe pile construction guidance locating rack and construction method | |
| US20140034597A1 (en) | Unloading device for containers and method for operating them | |
| CN205444889U (en) | Support arrangement for horizontal prefabricated component | |
| CN109052193B (en) | Special lifting joint for wave compensation A-type portal frame | |
| CN113047283B (en) | Intelligent control method and system of inclined pile machine | |
| CN108897249A (en) | A kind of remote control SPMT system applied to shipbuilding and repair yards | |
| CN116005557B (en) | Method for mounting large-span flying swallow type basket steel box arch bridge space special-shaped arch rib structure | |
| CN101962154B (en) | Adjustment locking mechanism for spatial attitude of suspended type large-scale member | |
| CN213473444U (en) | Multi-beam transducer positioning device capable of freely retracting and lifting | |
| CN112081251B (en) | Integral house jacking system and integral house jacking method | |
| CN111908377B (en) | Heavy construction quick assembling and disassembling structure and manufacturing method thereof | |
| CN212153427U (en) | Peripheral firm high accuracy zero interference weir mould body structure | |
| CN109304591B (en) | Comb plate assembly tooling structure of escalator | |
| CN208416809U (en) | A kind of offshore wind turbine pile foundation support table basis | |
| CN206814345U (en) | A kind of car inspection and repair jacking system | |
| CN219327105U (en) | Bottom template assembly and bottom die system for final joint of immersed tube tunnel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |