CN111186533B - Climbing device for getting on and off ship for offshore operation - Google Patents
Climbing device for getting on and off ship for offshore operation Download PDFInfo
- Publication number
- CN111186533B CN111186533B CN202010039706.4A CN202010039706A CN111186533B CN 111186533 B CN111186533 B CN 111186533B CN 202010039706 A CN202010039706 A CN 202010039706A CN 111186533 B CN111186533 B CN 111186533B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B27/00—Arrangement of ship-based loading or unloading equipment for cargo or passengers
- B63B27/14—Arrangement of ship-based loading or unloading equipment for cargo or passengers of ramps, gangways or outboard ladders ; Pilot lifts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B27/00—Arrangement of ship-based loading or unloading equipment for cargo or passengers
- B63B27/14—Arrangement of ship-based loading or unloading equipment for cargo or passengers of ramps, gangways or outboard ladders ; Pilot lifts
- B63B2027/141—Arrangement of ship-based loading or unloading equipment for cargo or passengers of ramps, gangways or outboard ladders ; Pilot lifts telescopically extendable
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Ladders (AREA)
Abstract
The invention relates to the technical field of seawater operation equipment, in particular to a climbing device for getting on and off a ship for offshore operation, which comprises an installation box, wherein an upper top plate is arranged above the top end of the installation box, a polished rod and a lead screw are horizontally arranged in the installation box, a servo motor is fixedly installed on one side outside the installation box, welding blocks are arranged on two sides of the bottom end of the upper top plate, a moving frame is arranged in the center of the bottom end of the upper top plate, the number of the polished rods is two, the two ends of the polished rod are welded and fixed on the inner side wall of the installation box, and the number of the lead screw is one: the climbing ladder is connected to the installation box in a sliding mode, the installation box is fixed to one side of the ship body, and the screw rod can be driven to rotate through the servo motor in the using process, so that the climbing ladder is controlled to move.
Description
Technical Field
The invention relates to the technical field of seawater operation equipment, in particular to a climbing device for getting on and off a ship for offshore operation.
Background
The offshore operation refers to offshore work such as salvage, submarine geological exploration and fishing, and is characterized by being far away from the land, high in risk and hard in working environment. At present, when the seabed fishing work is carried out, workers often need to dive into the sea, and in the process of going to the sea, the workers all need to utilize the climbing ladder on one side of the ship body to get on and off the ship, however, the existing climbing ladder for the ship has a simpler structure, is high in danger coefficient when being used, and has the main defects that:
1. the position of the climbing ladder is fixed and cannot be moved, as is known, a ship stays on the sea surface, the position of the ship is not fixed and gradually deviates from the initial position under the influence of the movement of seawater and the wind direction, but sometimes people need to dive at a fixed point in the diving process of workers, so that the existing climbing ladder for the ship has great inconvenience in use;
2. staff often need carry a lot of instruments at the dive in-process to utilize the instrument to carry out some simple clearance and maintenance to fishing device, consequently the staff need carry the toolbox dive, like this, not only the danger coefficient increases, also no workstation supplies the diver to clear up fishing device on the sea moreover, and is very inconvenient. Therefore, the invention provides a climbing device for getting on and off a ship for offshore operation, which is used for solving the problems.
Disclosure of Invention
The invention aims to provide a climbing device for getting on and off a ship for offshore operation, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a climbing device for getting on and off a ship for offshore operation comprises an installation box, wherein an upper top plate is arranged above the top end of the installation box, a polished rod and a lead screw are horizontally arranged inside the installation box, a servo motor is fixedly installed on one side outside the installation box, welding blocks are arranged on two sides of the bottom end of the upper top plate, a moving frame is arranged in the center of the bottom end of the upper top plate, the number of the polished rods is two, two ends of the polished rod are welded and fixed on the inner side wall of the installation box, one end of the lead screw is rotatably connected to the inner wall of the installation box, the other end of the lead screw is fixedly connected with the end part of an output shaft of the servo motor, the polished rod and the lead screw penetrate through the moving frame, the lead screw is in threaded connection with the moving frame, inclined struts are arranged on the outer sides of the welding blocks in a bolted connection mode, the inclined struts are arranged, the bottom below of bracing is equipped with the second cat ladder, the footboard level sets up, and its both ends all pass through bolted connection with the bracing and fix, the both sides of second cat ladder articulate respectively on two bracing, and the outside welding of second cat ladder is equipped with a protective cover section of thick bamboo, and the bottom level of second cat ladder is provided with the workstation, the equal welded fastening in the left and right sides of second cat ladder in both sides limit of a protective cover section of thick bamboo, and the inside both sides of a protective cover section of thick bamboo evenly are provided with the handle, the workstation is rectangular plate structure, and its both sides all weld and are equipped with the extension platform, and its top surface is equipped with the protection rope, the top height of extending the platform and the top height of workstation flush, and the top of extending the platform all fixedly is equipped with the.
Preferably, the inside both sides top of install bin all welds and is equipped with the installation cavity, the inside of installation cavity evenly is provided with the wheel that rolls, the quantity of the wheel that rolls is a plurality of, and rolls the wheel and all rotate the inboard of connecting at the installation cavity, and the top side of the wheel that rolls all laminates on the bottom of last roof.
Preferably, outside one side of install bin is equipped with the location rib, location rib and bracing homonymy, and the both ends of location rib all weld on the lateral wall of install bin, the inside wall of location rib all with the outer end laminating of welding the piece.
Preferably, the bottom below of install bin is equipped with the installation curb plate, one side welding of installation curb plate is equipped with the slide bar, the equal bolted connection in the bottom outside of bracing strengthens the frame, strengthen the frame level setting, and strengthen the frame and all run through by the slide bar near the one end of installation curb plate.
Preferably, the outside of strengthening the frame all welds and is equipped with first locating piece, the outside both sides of second cat ladder all welds and is equipped with the second locating piece, and the outside both sides of second cat ladder all incline and be provided with telescopic cylinder, telescopic cylinder's both ends are articulated respectively and are fixed on first locating piece and second locating piece.
Preferably, the outside both sides of second cat ladder all articulate and are equipped with first rotation strip, the outside of strengthening the frame all articulates and is equipped with the second rotation strip, all articulate the setting between the tip of first rotation strip and second rotation strip.
Preferably, the top end of the reinforcing frame is perpendicularly welded with reinforcing ribs, and the tops of the reinforcing ribs are fixedly connected to the outer sides of the inclined struts through bolts.
Preferably, the fixed support cavity that is equipped with in the outside of installation curb plate, the bottom of strengthening the frame all inclines to be provided with supports the swash plate, the bottom that supports the swash plate all imbeds inside supporting the cavity.
Preferably, the inner integrated into one piece that supports the cavity is equipped with the slide rail, and both sides all weld about the inside of supporting the cavity and be equipped with the sliding frame, the slide rail all imbeds in the bottom inboard that supports the swash plate, the inside of sliding frame evenly rotates and connects the ball, just the ball all laminates on supporting the swash plate.
Compared with the prior art, the invention has the beneficial effects that:
1. the climbing ladder is connected to the installation box in a sliding mode, the installation box is fixed to one side of the ship body, and the lead screw can be driven to rotate through the servo motor in the using process, so that the climbing ladder is controlled to move;
2. compared with the traditional technology, the climbing ladder is provided with the working table, the tool boxes and other devices, so that when a diver dives, the diver does not need to carry tools, the convenience and the safety are realized, meanwhile, some simple offshore tasks can be performed on the working table, and the difficulty of offshore operation is greatly reduced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a sectional view of the structure of the mounting box of the present invention;
FIG. 3 is a schematic view of the assembly of the support cavity and the inclined support plate of the present invention;
FIG. 4 is an enlarged view of the structure at A of the present invention.
In the figure: the device comprises an installation box 1, an upper top plate 2, a welding block 3, a diagonal brace 4, a pedal 5, an installation cavity 6, a rolling wheel 7, a polish rod 8, a lead screw 9, a moving frame 10, a positioning rib 11, a servo motor 12, an installation side plate 13, a sliding rod 14, a reinforced frame 15, a second ladder 16, a telescopic cylinder 17, a protective cover barrel 18, a handle 19, a first rotating strip 20, a second rotating strip 21, a working table 22, an extension table 23, a protective rope 24, a tool box 25, a reinforcing rib 26, a support cavity 27, a support inclined plate 28, a slide rail 29 and a ball 30.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Referring to fig. 1-4, the present invention provides a technical solution: a climbing device for getting on and off a ship for offshore operation comprises an installation box 1, an upper top plate 2 is arranged above the top end of the installation box 1, a polished rod 8 and a lead screw 9 are horizontally arranged inside the installation box 1, a servo motor 12 is fixedly arranged on one side outside the installation box 1, welding blocks 3 are arranged on two sides of the bottom end of the upper top plate 2, a movable frame 10 is arranged in the center of the bottom end of the upper top plate 2, the number of the polished rods 8 is two, two ends of each polished rod 8 are welded and fixed on the inner side wall of the installation box 1, the number of the lead screw 9 is one, one end of each lead screw 9 is rotatably connected to the inner wall of the installation box 1, the other end of each lead screw is connected and fixed with the end part of an output shaft of the servo motor 12, the polished rods 8 and the lead screws 9 penetrate through the movable frame 10, the lead screws 9 are in threaded connection with the movable frame 10, the movable, the polished rod 8 is used for facilitating the sliding of the movable frame 10, and the screw rod 9 drives the upper top plate 2 and the movable frame 10 to move through rotation, as shown in fig. 1, that is, the movement of the upper top plate 2 can be indirectly controlled through the servo motor 12.
The outer side of the welding block 3 is provided with inclined struts 4 in a bolt connection manner, the inclined struts 4 are arranged in an inclined manner, the number of the inclined struts is two, pedals 5 are uniformly arranged between the two inclined struts 4, a second ladder stand 16 is arranged below the bottom end of each inclined strut 4, the pedals 5 are horizontally arranged, two ends of each inclined strut 4 are fixedly connected with the corresponding second ladder stand 16 through bolts, two sides of each second ladder stand 16 are respectively hinged to the two inclined struts 4, a protective cover cylinder 18 is welded to the outer side of each second ladder stand 16, a workbench 22 is horizontally arranged at the bottom end of each second ladder stand 16, two side edges of each protective cover cylinder 18 are welded to the left side and the right side of each second ladder stand 16, handles 19 are uniformly arranged on two inner sides of each protective cover cylinder 18, as shown in figure 1, each protective cover cylinder 18 is in a rectangular cavity shape, two side edges of each protective cover cylinder are respectively welded to two sides of each second ladder stand 16, the function of the device is to facilitate the diver to climb.
All welding above the inside both sides of install bin 1 is equipped with installation cavity 6, and the inside of installation cavity 6 evenly is provided with the wheel 7 that rolls, and the quantity of the wheel 7 that rolls is a plurality of, and rolls wheel 7 and all rotate the inboard of connecting at installation cavity 6, and the top side of the wheel 7 that rolls all laminates on the bottom of last roof 2, as shown in figure 2, the effect of the wheel 7 that rolls is the frictional force when reducing the roof 2 and sliding, convenient the removal.
Outside one side of installing box 1 is equipped with location rib 11, location rib 11 and 4 homonymies of bracing, and the both ends of location rib 11 all weld on the lateral wall of installing box 1, and the inside wall of location rib 11 all with the outer end laminating of welding piece 3, the position of location rib 11 as shown in figure 1, its effect is strengthened bracing 4, prevents that its left and right sides is crooked, plays certain firm effect.
The bottom below of install bin 1 is equipped with installation curb plate 13, one side welding of installation curb plate 13 is equipped with slide bar 14, the equal bolted connection in the bottom outside of bracing 4 strengthens frame 15, strengthen frame 15 level setting, and strengthen frame 15 and all run through by slide bar 14 near the one end of installation curb plate 13, as shown in fig. 1, wherein the same fixed mounting in the outside of hull of installation curb plate 13, and strengthen frame 15 then with bracing 4 fixed connection, strengthen the inner sliding connection again of frame 15 on installation curb plate 13, therefore, when bracing 4 removed, strengthen frame 15 and will also slide along installation curb plate 13, and strengthen frame 15 still can provide the holding power for bracing 4, prevent its atress downward sloping.
Strengthen all welding in the outside of frame 15 and be equipped with first locating piece, the outside both sides of second cat ladder 16 are all welded and are equipped with the second locating piece, and the outside both sides of second cat ladder 16 all incline and are provided with telescopic cylinder 17, telescopic cylinder 17's both ends are articulated respectively and are fixed on first locating piece and second locating piece, promptly through telescopic cylinder 17, can control the angle of second cat ladder 16, when not using, then shrink telescopic cylinder 17 and pack up second cat ladder 16, pop out it during the use again.
The outside both sides of second cat ladder 16 all articulate and are equipped with first rotation strip 20, strengthen all articulating the second rotation strip 21 that is equipped with in the outside of frame 15, all articulate the setting between the tip of first rotation strip 20 and second rotation strip 21, the contained angle between first rotation strip 20 and the second rotation strip 21 also changes along with the slope of second cat ladder 16, the effect is the stability of strengthening second cat ladder 16, reduce its range of rocking, ensure diver's safety of getting on and off the boat.
Strengthen the equal vertical welding in top of frame 15 and be equipped with and strengthen rib 26, strengthen the top of rib 26 and all pass through bolt fixed connection in the outside of bracing 4, strengthen the structural position of frame 15 as shown in figure 1, its support is in the outside of bracing 4, and the effect improves the stability of bracing 4, prevents its slope and influences the normal use of this climbing device.
The outer side of the mounting side plate 13 is fixedly provided with a supporting cavity 27, the bottom end of the reinforcing frame 15 is obliquely provided with a supporting inclined plate 28, the bottom of the supporting inclined plate 28 is embedded in the supporting cavity 27, as shown in fig. 1, the bottom of the supporting inclined plate 28 is embedded in the mounting cavity 27, and the supporting inclined plate has the same function of supporting the reinforcing frame 15 and preventing the reinforcing frame 15 from being inclined downwards, and meanwhile, the width of the supporting inclined plate 18 is smaller than the inner height of the mounting cavity 27.
The inner integrated into one piece that supports cavity 27 is equipped with slide rail 29, and both sides all weld about the inside of supporting cavity 27 and be equipped with the sliding frame, and slide rail 29 all imbeds at the bottom inboard that supports swash plate 28, and the inside of sliding frame is evenly rotated and is connected ball 30, and ball 30 all laminates on supporting swash plate 28, as shown in fig. 3, inside slide rail 29 imbeds the spout on supporting swash plate 28, and ball 30 is all laminating and is supporting swash plate 28 and roll to the cat ladder is more steady in the removal.
The working principle is as follows: when the invention is used, the telescopic cylinder 17 is firstly opened, the second ladder stand 16 is popped out to be in a vertical state, then the servo motor 12 is utilized to drive the screw rod 9 to rotate, so that the positions of the upper top plate 2 and the inclined strut 4 are indirectly controlled, and after the positions are determined, the diving task is started. Wherein a working platform 22 is arranged at the bottom end of the second ladder stand 16, tool boxes 25 are arranged at two sides of the working platform 22 by means of extension plates 23, and a protective rope 24 is arranged on the top surface of the working platform 22. The tool box 25 is internally provided with tools, so that the diver can conveniently perform simple cleaning and maintenance work on the fishing device in the sea, and the work can be finished on the workbench 22, so that the fishing device is simple and convenient. Meanwhile, the protection rope 24 is bolted on the waist belt of the diver, so that the safety of the diver is ensured. Be provided with installation curb plate 13 in the bottom below of install bin 1, at the bottom bolted connection of bracing 4 strengthen frame 15, and strengthen frame 15 sliding connection again on installation curb plate 13, consequently, at the removal in-process of bracing 4, strengthen frame 15 and also will remove along slide bar 14 on the installation curb plate 13, provide the holding power for bracing 4 in real time, prevent that its atress from down deforming. In addition, all articulated first mounting bar 20 that is provided with in the both sides of second cat ladder 16, all articulated second mounting bar 21 that is provided with in the outside of strengthening frame 15, and articulated the setting between the tip of first mounting bar 20 and second mounting bar 21, this two can strengthen the structural stability of second cat ladder 16, prevent that it from controlling crooked, improve the factor of safety of getting on and off the ship. Simultaneously, all being provided with on the top of strengthening frame 15 and strengthening the rib 26, all being provided with the support swash plate 28 in the bottom of strengthening frame 15, the two all is used for supporting the climbing device, improves its structural strength, reduces the range of rocking.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides an upper and lower marine climbing device of offshore operation, includes install bin (1), its characterized in that: an upper top plate (2) is arranged above the top end of the installation box (1), a polished rod (8) and a lead screw (9) are horizontally arranged inside the installation box (1), a servo motor (12) is fixedly installed on one side outside the installation box (1), welding blocks (3) are arranged on two sides of the bottom end of the upper top plate (2), a movable frame (10) is arranged in the center of the bottom end of the upper top plate (2), the polished rods (8) are two in number, the two ends of each polished rod (8) are fixedly welded on the inner side wall of the installation box (1), the lead screw (9) is one in number, one end of the lead screw (9) is rotatably connected to the inner wall of the installation box (1), the other end of each lead screw is fixedly connected with the end part of an output shaft of the servo motor (12), the polished rods (8) and the lead screw (9) penetrate through the movable frame (10), and the lead screw (9) is in threaded, the outer side of the welding block (3) is provided with inclined struts (4) in a bolted connection mode, the inclined struts (4) are arranged in an inclined mode, the number of the inclined struts is two, pedals (5) are uniformly arranged between the two inclined struts (4), a second ladder stand (16) is arranged below the bottom end of each inclined strut (4), the pedals (5) are horizontally arranged, two ends of each pedal are fixedly connected with the inclined struts (4) through bolts, two sides of each second ladder stand (16) are respectively hinged to the two inclined struts (4), a protective cover cylinder (18) is welded to the outer side of each second ladder stand (16), a workbench (22) is horizontally arranged at the bottom end of each second ladder stand (16), two side edges of each protective cover cylinder (18) are welded and fixed to the left side and the right side of each second ladder stand (16), handles (19) are uniformly arranged on two inner sides of each protective cover cylinder (18), and the workbench (22) is of a rectangular plate-shaped structure, extension tables (23) are welded on the two sides of the extension table, a protection rope (24) is arranged on the top end surfaces of the extension tables, the top end height of each extension table (23) is flush with that of the corresponding workbench (22), and tool boxes (25) are fixedly arranged on the top ends of the extension tables (23); the utility model discloses a mounting box, including install curb plate (13), one side welding of installation curb plate (13) is equipped with slide bar (14), frame (15) are strengthened to the equal bolted connection in the bottom outside of bracing (4), strengthen frame (15) level setting, and strengthen the one end that frame (15) are close to installation curb plate (13) and all run through by slide bar (14).
2. The climbing device for offshore operation for getting on and off a ship according to claim 1, wherein: the utility model discloses a roof, including install box (1), installation cavity (6), the inside of installation cavity (6) evenly is provided with wheel (7) that rolls, the quantity of wheel (7) that rolls is a plurality of, and rolls wheel (7) and all rotate the inboard of connecting at installation cavity (6), and the top side of wheel (7) that rolls all laminates on the bottom of last roof (2).
3. The climbing device for offshore operation for getting on and off a ship according to claim 1, wherein: outside one side of install bin (1) is equipped with location rib (11), location rib (11) and bracing (4) homonymy, and the both ends of location rib (11) all weld on the lateral wall of install bin (1), the inside wall of location rib (11) all with the outer end laminating of welding piece (3).
4. The climbing device for offshore operation for getting on and off a ship according to claim 1, wherein: strengthen the outside of frame (15) and all weld and be equipped with first locating piece, the outside both sides of second cat ladder (16) all weld and be equipped with the second locating piece, and the outside both sides of second cat ladder (16) all incline and be provided with telescopic cylinder (17), the both ends of telescopic cylinder (17) are articulated respectively and are fixed on first locating piece and second locating piece.
5. The climbing device for offshore operation for getting on and off a ship according to claim 1, wherein: the outside both sides of second cat ladder (16) all articulate and are equipped with first rotation strip (20), strengthen the outside of frame (15) and all articulate and be equipped with second rotation strip (21), all articulate between the tip of first rotation strip (20) and second rotation strip (21) and set up.
6. The climbing device for offshore operation for getting on and off a ship according to claim 1, wherein: strengthen all vertical welding in the top of frame (15) and be equipped with and strengthen rib (26), the top of strengthening rib (26) all passes through bolt fixed connection in the outside of bracing (4).
7. The climbing device for offshore operation for getting on and off a ship according to claim 1, wherein: the fixed support cavity (27) that is equipped with in the outside of installation curb plate (13), the bottom of strengthening frame (15) all inclines to be provided with supports swash plate (28), the bottom of supporting swash plate (28) all imbeds inside supporting cavity (27).
8. The climbing device for offshore operation for getting on and off a ship of claim 7, wherein: support the inner integrated into one piece of cavity (27) and be equipped with slide rail (29), both sides all weld about the inside of support cavity (27) and be equipped with the sliding frame, slide rail (29) all imbed in the bottom inboard of supporting swash plate (28), ball (30) are connected in the even rotation in inside of sliding frame, just ball (30) all laminate on supporting swash plate (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010039706.4A CN111186533B (en) | 2020-01-15 | 2020-01-15 | Climbing device for getting on and off ship for offshore operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010039706.4A CN111186533B (en) | 2020-01-15 | 2020-01-15 | Climbing device for getting on and off ship for offshore operation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111186533A CN111186533A (en) | 2020-05-22 |
| CN111186533B true CN111186533B (en) | 2020-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010039706.4A Active CN111186533B (en) | 2020-01-15 | 2020-01-15 | Climbing device for getting on and off ship for offshore operation |
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| CN (1) | CN111186533B (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4503146B2 (en) * | 2000-06-30 | 2010-07-14 | 株式会社岡村製作所 | Moving ladder device for shelves |
| US6793039B2 (en) * | 2002-03-13 | 2004-09-21 | Jerome R. Schmid, Jr. | Submerged water activity platform |
| JP2004019156A (en) * | 2002-06-13 | 2004-01-22 | Itoki Crebio Corp | Portable ladder built to household furniture or the like |
| BE1019948A3 (en) * | 2010-11-22 | 2013-03-05 | Das Tom | LADDER CONSTRUCTION. |
| PL3313722T3 (en) * | 2015-06-23 | 2019-11-29 | Ferretti Spa | Boat having a movable stern hatch with a submersible stern platform |
| CN207393108U (en) * | 2017-09-30 | 2018-05-22 | 东莞市正邦园林绿化有限公司 | For the climbing device of vertical greening wall |
| CN208022208U (en) * | 2017-12-06 | 2018-10-30 | 重庆德固科技有限公司 | Side-rolling ladder suitable for large-scale shelf |
| CN209719860U (en) * | 2019-01-07 | 2019-12-03 | 中船黄埔文冲船舶有限公司 | It is a kind of to step on quadrupler for wind-powered electricity generation O&M ship |
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2020
- 2020-01-15 CN CN202010039706.4A patent/CN111186533B/en active Active
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Effective date of registration: 20200929 Address after: No.328, Beizhang village, Jinting Town, Shengzhou City, Shaoxing City, Zhejiang Province Applicant after: Shengzhou Huiye New Material Technology Co.,Ltd. Address before: 312500 Zhejiang city of Shaoxing province Xinchang County habayashi Gold Street Yucun Applicant before: ZHEJIANG DONGXIN MACHINERY Co.,Ltd. |
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