CN114148453A - Stern roller device and mounting method thereof - Google Patents
Stern roller device and mounting method thereof Download PDFInfo
- Publication number
- CN114148453A CN114148453A CN202111460812.0A CN202111460812A CN114148453A CN 114148453 A CN114148453 A CN 114148453A CN 202111460812 A CN202111460812 A CN 202111460812A CN 114148453 A CN114148453 A CN 114148453A
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000009434 installation Methods 0.000 abstract description 7
- 230000000903 blocking effect Effects 0.000 abstract description 3
- 238000003466 welding Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Classifications
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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
- B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
- B63B21/22—Handling or lashing of anchors
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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
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/14—Fishing vessels
- B63B35/16—Trawlers
- B63B35/18—Trawlers adapted to dragging nets aboard
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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
- B63B73/00—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms
- B63B73/20—Building or assembling prefabricated vessel modules or parts other than hull blocks, e.g. engine rooms, rudders, propellers, superstructures, berths, holds or tanks
Abstract
The invention relates to the technical field of ship engineering, in particular to a stern roller device and an installation method thereof, wherein the stern roller device comprises a cylinder, a gate and a telescopic driving device, a groove is arranged on a ship deck, the lower end of the gate is inserted into the groove, the upper end of the gate is rotatably connected with the cylinder, the telescopic driving device is arranged in the groove, and the upper end of the telescopic driving device is connected with the gate; when drag and drop operation is required, the driving device drives the gate to move downwards, so that the gate is retracted into the groove, and the cylinder partially protruding out of the ship deck can avoid friction among the fishing net, the towing rope and the ship deck; after the drag and drop operation is finished, the telescopic driving device drives the gate to move upwards, so that the gate extends out of the groove and can be used as a blocking and protecting device to prevent personnel or articles from falling into the sea; therefore, the stern roller device does not need to be additionally provided with guardrails, and the utilization rate of a ship deck is improved.
Description
Technical Field
The invention relates to the technical field of ship engineering, in particular to a stern roller device and an installation method thereof.
Background
The stern roller is used for reducing friction between the fishing net, the cable and the like which are put out from the deck surface to the stern and the deck and damage to the fishing net, the cable and the like and the deck surface.
Because the stern direction needs to be frequently dragged and dropped, the open deck is usually arranged, so that the danger that personnel fall into the sea exists when the personnel operate and move in the stern deck area, and articles placed on the deck easily fall into the sea from the unprotected position of the stern under the condition that the ship shakes. In order to prevent personnel or articles from falling off from the stern, at present, ship manufacturing enterprises mostly arrange movable railings on a deck to serve as safety protection; however, the movable balustrade itself needs to occupy the deck space when being installed, and the movable balustrade needs to additionally occupy a large amount of deck space in the opening and closing process, which results in low utilization rate of the ship deck.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the ship manufacturing enterprises adopt the movable railings as the safety protection of the stern, so that the utilization rate of the ship deck is low.
In order to solve the technical problem, the invention provides a stern roller device which comprises a cylinder body, a gate and a telescopic driving device, wherein a groove is arranged on a ship deck, the lower end of the gate is inserted into the groove, the upper end of the gate is rotatably connected with the cylinder body, the telescopic driving device is arranged in the groove, and the upper end of the telescopic driving device is connected with the gate;
the gate is driven by the telescopic driving device to move upwards so as to extend out of the groove, or the gate is driven by the telescopic driving device to move downwards so as to retract into the groove.
Preferably, the gate comprises a square box body, and the upper end of the telescopic driving device penetrates through the bottom wall of the square box body and is connected with the top wall of the square box body.
As a preferred scheme, the cylinder comprises a first rotating shaft and a second rotating shaft; a plurality of first circular plates and a plurality of second circular plates are coaxially arranged in the cylinder at intervals, each first circular plate is arranged at the first end of the cylinder, each first circular plate is coaxially and fixedly connected with the first end of the first rotating shaft, and the second end of the first rotating shaft is rotatably connected with one side of the gate;
each second circular plate is arranged at the second end of the cylinder body and is coaxially and fixedly connected with the first end of the second rotating shaft; and the second end of the second rotating shaft is rotatably connected with the other side of the gate.
Preferably, a first supporting plate and a second supporting plate which are arranged in parallel are arranged at the upper end of the gate, and the first supporting plate and the second supporting plate are respectively positioned at two sides of the gate;
the second end of the first rotating shaft is connected with a first bearing, the first bearing is connected with a first bearing seat, and the first bearing seat is connected to the first supporting plate through bolts; and the second end of the second rotating shaft is connected with a second bearing, the second bearing is connected with a second bearing seat, and the second bearing seat is in bolted connection with the second supporting plate.
The mounting method of the stern roller device comprises the following steps:
step S1: mounting a cylinder to an upper end of a gate, and connecting an upper end of a driving device to the gate to drive the gate to move up and down;
step S2: installing the gate and the telescopic driving device into a groove of a ship deck.
Preferably, after the step S0 and before the step S1, the method further includes arranging S0: and respectively connecting the first end of the first rotating shaft and the first end of the second rotating shaft at the two ends of the cylinder.
Preferably, after the step S0 and before the step S1, the method further includes: and clamping the barrel for turning and/or grinding the second end of the first rotating shaft and the second end of the second rotating shaft, so that the second end of the first rotating shaft and the second end of the second rotating shaft are respectively matched with the mounting hole of the first bearing and the mounting hole of the second bearing.
Preferably, after clamping the barrel to turn and/or grind the second end of the first rotating shaft and the second end of the second rotating shaft, before the step S1, the method further includes:
the first bearing is sleeved at the second end of the first rotating shaft, and the second bearing is sleeved at the second end of the second rotating shaft;
mounting a first bearing seat on the first bearing and a second bearing seat on the second bearing;
in the step S1, the mounting the cylinder to the upper end of the shutter includes:
the first bearing block is mounted on a first support plate and the second bearing block is mounted on a second support plate.
Preferably, the mounting the first bearing housing on the first support plate and the mounting the second bearing housing on the second support plate includes: adjusting the installation height of the first bearing seat and/or the second bearing seat so that the axial direction of the cylinder is parallel to a ship deck.
Preferably, after the installation height of the first bearing seat and/or the second bearing seat is adjusted, the method further includes: the first bearing seat is bolted to the first support plate through a drill-fit bolt hole, and the second bearing seat is bolted to the second bearing seat through a drill-fit bolt hole.
Compared with the prior art, the invention has the beneficial effects that:
the stern roller device comprises a cylinder, a gate and a telescopic driving device, wherein a groove for inserting the lower end of the gate is formed in a ship deck, the lower end of the gate is inserted into the groove, the upper end of the gate is rotatably connected with the cylinder, the telescopic driving device is arranged in the groove, and the upper end of the telescopic driving device is connected with the gate; when drag and drop operation is required, the driving device drives the gate to move downwards, so that the gate is retracted into the groove, and the cylinder partially protruding out of the ship deck can avoid friction among the fishing net, the towing rope and the ship deck; after the drag and drop operation is finished, the telescopic driving device drives the gate to move upwards, so that the gate extends out of the groove and can be used as a blocking and protecting device to prevent personnel or articles from falling into the sea; therefore, the stern roller device does not need to be additionally provided with guardrails, and the utilization rate of a ship deck is improved.
Drawings
Figure 1 is a top view of a stern roller arrangement after installation on a ship deck;
FIG. 2 is a schematic structural view of the section A-A in FIG. 1 when the stern roller device is retracted into the groove;
FIG. 3 is a schematic structural view of section A-A of FIG. 1 with the stern roller assembly extending out of the groove;
FIG. 4 is a schematic structural view of the drum after the first and second rotating shafts are mounted to the ends of the drum;
FIG. 5 is a schematic structural diagram of the barrel after the second end of the first rotating shaft and the second end of the second rotating shaft are processed;
FIG. 6 is a side view of the gate;
FIG. 7 is a cross-sectional view taken at B-B of FIG. 6;
FIG. 8 is a schematic view showing the structure after the cartridge is mounted on the shutter;
in the figure, 1, a cylinder; 11. a first rotating shaft; 12. a second rotating shaft; 13. a first circular plate; 14. a second circular plate; 2. a gate; 21. a first support plate; 22. a second support plate; 3. a telescopic driving device; 4. a vessel deck; 41. a deck bulwark; 42. a stern ramp; 5. a first bearing plate; 6. a second carrier plate.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to 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. It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, which are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.
As shown in fig. 1 to 3, a preferred embodiment of the stern roller device of the present invention includes a cylinder 1, a gate 2, and a telescopic driving device 3, wherein a ship deck 4 is provided with a groove into which a lower end of the gate 2 is inserted, the lower end of the gate 2 is inserted into the groove, an upper end of the gate 2 is rotatably connected to the cylinder 1, the telescopic driving device 3 is disposed in the groove, and an upper end of the telescopic driving device 3 is connected to the gate 2; when drag and drop operation is required, the telescopic driving device 3 drives the gate 2 to move downwards, so that the gate 2 is retracted into the groove, and the cylinder 1 partially protruding out of the ship deck 4 can avoid friction between a fishing net or a hauling rope and the ship deck; after the drag and drop operation is finished, the telescopic driving device 3 drives the gate 2 to move upwards, so that the gate 2 extends out of the groove, and the gate 2 can be used as a blocking and protecting device to prevent personnel or articles from falling into the sea; therefore, the stern roller device does not need to be additionally provided with guardrails, and the utilization rate of a ship deck is improved.
Specifically, as shown in fig. 1 to 3, two ends of the cylinder 1 extend to deck bulwarks on two sides of the ship deck 4, an arc stern slideway 42 is arranged at the ship stern, and the cylinder 1 is arranged at the junction of the stern slideway 42 and the ship deck 4, so that dragging and dropping objects can be conveniently dragged and dropped into the sea from the ship deck 4 during dragging and dropping operations. The gate 2 comprises a square box body, and the upper end of the telescopic driving device 3 penetrates through the bottom wall of the square box body and is connected with the top wall of the square box body. Set up gate 2 into the direction box, not only can realize keeping off the effect that personnel or article fall into the sea, moreover, the middle part cavity of box for gate 2's weight is lighter, is convenient for go up and down.
In this embodiment, the cylinder 1 includes a first rotating shaft 11 and a second rotating shaft 12; a plurality of first circular plates 13 and a plurality of second circular plates 14 are coaxially arranged in the cylinder body 1 at intervals, each first circular plate 13 is arranged at the first end of the cylinder body 1, each first circular plate 13 is coaxially and fixedly connected with the first end of the first rotating shaft 11, and the second end of the first rotating shaft 11 is rotatably connected with one side of the gate 2; each second circular plate 14 is arranged at the second end of the cylinder 1, and each second circular plate 14 is coaxially and fixedly connected with the first end of the second rotating shaft 12; the second end of the second rotating shaft 12 is rotatably connected with the other side of the gate 2.
Specifically, in this embodiment, the number of the first circular plate 13 and the number of the second circular plate 14 are two, and the first rotating shaft 11 and the second rotating shaft 12 are respectively connected to the cylinder 1 through the first circular plate 13 and the second circular plate 14, so that not only is the connection strength between the first rotating shaft 11 and the cylinder 1 and the connection strength between the second rotating shaft 12 and the cylinder 1 ensured, but also the overall weight of the cylinder 1 is ensured to be light, and the cylinder 1 is convenient to lift.
A first supporting plate 21 and a second supporting plate 22 which are arranged in parallel are arranged at the upper end of the gate 2, and the first supporting plate 21 and the second supporting plate 22 are respectively positioned at two sides of the gate 2; a second end of the first rotating shaft 11 is connected with a first bearing, the first bearing is connected with a first bearing seat, and the first bearing seat is connected to the first supporting plate 21 through bolts; a second bearing is connected to a second end of the second shaft 12, and the second bearing is connected to a second bearing seat, and the second bearing seat is bolted to the second support plate 22.
In this embodiment, the telescopic driving device 3 is made of hydraulic steel, the hydraulic interface of the hydraulic cylinder is connected to an external hydraulic system, and the telescopic operation of the hydraulic cylinder is controlled by the external hydraulic system, so as to raise or lower the cylinder 1.
An embodiment of a method of mounting a stern roller arrangement comprises the steps of:
step S1: mounting the cylinder 1 on the gate 2, and connecting the upper end of the driving device 3 on the gate 2;
step S2: the gate 2 is installed into a recess in the deck 4 of the vessel. Specifically, in this embodiment, the gate 2 is hoisted into a groove of the ship deck 4.
Before step S1, step S0 is included: respectively connecting a first end of a first rotating shaft 11 and a first end of a second rotating shaft 12 to two ends of the cylinder 1; the installation of the first rotating shaft 11 and the second rotating shaft 12 facilitates the subsequent installation of the cylinder 1. Specifically, in this embodiment, as shown in fig. 4, two first circular plates 13 and two second circular plates 14 are provided, first, the two first circular plates 13 are coaxially welded to the first end of the first rotating shaft 11 at intervals, then the two welded first circular plates 13 are inserted into the first end of the cylinder 1, and the two first circular plates 13 are respectively welded to the inner side wall of the cylinder 1; it should be noted that, the first circular plate 13 at the opening of the two first circular plates 13 far away from the first end of the cylinder 1 is welded at the inner side wall of the cylinder 1 by spot welding, specifically, the circumferential wall of the cylinder 1 is provided with a plurality of welding holes for inserting welding rods, which are arranged corresponding to the first circular plate 13, and the welding rods are inserted into the cylinder 1 through the welding holes, so that the first circular plate 13 located in the cylinder 1 is spot-welded on the inner side wall of the cylinder 1; the manner of mounting the second circular plate 14 and the second rotating shaft 12 to the second end of the cylinder 1 is the same as the manner of mounting the first circular plate 13 and the first rotating shaft 11 to the first end of the cylinder 1 described above.
In this embodiment, after the step SO and before the step S1, the method further includes: clamping the cylinder 1, turning and/or grinding the second end of the first rotating shaft 11 and the second end of the second rotating shaft 12, so that the second end of the first rotating shaft 11 and the second end of the second rotating shaft 12 are respectively matched with a mounting hole of a first bearing and a mounting hole of a second bearing; the coaxiality between the first rotating shaft 11 and the barrel 1 and the coaxiality between the second rotating shaft 12 and the barrel 1 are improved by grinding and/or turning the first rotating shaft 11 and the second rotating shaft 12, so that the barrel 1 can rotate conveniently; then, the first bearing is sleeved at the second end of the first rotating shaft 11, and the second bearing is sleeved at the second end of the second rotating shaft 12; thereafter, mounting a first bearing seat on the first bearing and a second bearing seat on the second bearing;
in step S1, the mounting of the cylinder 1 to the upper end of the shutter 2 includes mounting the first bearing housing on the first support plate 21 and mounting the second bearing housing on the second support plate 22.
In this embodiment, mounting the first bearing housing on the first support plate 21 and mounting the second bearing housing on the second support plate 22 includes: the mounting height of the first bearing seat and/or the second bearing seat is adjusted so that the axial direction of the cylinder 1 is kept parallel to the ship deck.
Specifically, as shown in fig. 6 to 8, in order to ensure parallelism between the axial direction of the cylinder 1 and the deck of the ship, after the first and second bearing housings are mounted on the first and second support plates 21 and 22, respectively, the heights of the first and/or second bearing housings are adjusted by providing jacks under the first and/or second bearing housings.
After the mounting height of the first bearing seat and/or the second bearing seat is adjusted, the first bearing seat is bolted to the first support plate 21 through a drill-matching bolt hole, and the second bearing seat is bolted to the second bearing seat 22 through a drill-matching bolt hole.
In this embodiment, the first bearing plate 5 is welded to the side surface of the first support plate 21, the lower end of the first bearing seat abuts against the upper end of the first bearing plate 5, the second bearing plate 6 is welded to the side surface of the second support plate 22, the lower end of the second bearing seat abuts against the upper end of the second bearing plate 6, and the first bearing plate 5 is arranged to improve the stability of fixation between the first bearing seat and the first support plate 21; the provision of the second bearing plate 6 can improve the stability of the fixation between the second bearing housing and the second support plate 22.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (10)
1. A stern roller device is characterized by comprising a cylinder body (1), a gate (2) and a telescopic driving device (3), wherein a groove is formed in a ship deck (4), the lower end of the gate (2) is inserted into the groove, the upper end of the gate (2) is rotatably connected with the cylinder body (1), the telescopic driving device (3) is arranged in the groove, and the upper end of the telescopic driving device (3) is connected with the gate (2);
the gate (2) is driven to move upwards by the telescopic driving device (3), so that the gate (2) extends out of the groove, or the gate (2) is driven to move downwards by the telescopic driving device (3), so that the gate (2) retracts into the groove.
2. The stern roller arrangement as claimed in claim 1, wherein the gate (2) comprises a square box, the upper end of the telescopic drive (3) passing through the bottom wall of the square box and being connected to the top wall of the square box.
3. The stern roller arrangement as claimed in claim 1, wherein the cylinder (1) comprises a first shaft (11), a second shaft (12); a plurality of first circular plates (13) and a plurality of second circular plates (14) are coaxially arranged in the cylinder body (1) at intervals, each first circular plate (13) is arranged at the first end of the cylinder body (1), each first circular plate (13) is coaxially and fixedly connected with the first end of the first rotating shaft (11), and the second end of the first rotating shaft (11) is rotatably connected with one side of the gate (2);
each second circular plate (14) is arranged at the second end of the cylinder body (1), and each second circular plate (14) is coaxially and fixedly connected with the first end of the second rotating shaft (12); the second end of the second rotating shaft (12) is rotatably connected with the other side of the gate (2).
4. The stern roller arrangement as claimed in claim 3, wherein the upper end of the gate (2) is provided with a first support plate (21) and a second support plate (22) arranged in parallel, the first support plate (21) and the second support plate (22) being located on either side of the gate (2);
the second end of the first rotating shaft (11) is connected with a first bearing, the first bearing is connected with a first bearing seat, and the first bearing seat is connected to the first supporting plate (21) through bolts; and the second end of the second rotating shaft (12) is connected with a second bearing, the second bearing is connected with a second bearing seat, and the second bearing seat is in bolted connection with the second supporting plate (22).
5. A method of mounting a stern roller assembly as defined in any one of claims 1 to 4, comprising the steps of:
step S1: mounting a cylinder body (1) to the upper end of a gate (2), and connecting the upper end of a telescopic driving device (3) to the gate (2) to drive the gate to move up and down;
step S2: installing the gate (2) and the telescopic driving device (3) into a groove of a ship deck (4).
6. The method of mounting a stern roller assembly as defined in claim 5,
before the step S1, the method further includes a step S0: and respectively connecting the first end of the first rotating shaft (11) and the first end of the second rotating shaft (12) to the two ends of the cylinder (1).
7. The method of mounting a stern roller assembly as defined in claim 6,
after the step S0 and before the step S1, the method further includes: and clamping the barrel (1) to turn and/or grind the second end of the first rotating shaft (11) and the second end of the second rotating shaft (12) so that the second end of the first rotating shaft (11) and the second end of the second rotating shaft (12) are respectively matched with a mounting hole of a first bearing and a mounting hole of a second bearing.
8. The mounting method of the stern roller arrangement as claimed in claim 7, wherein after clamping the cylinder (1) and turning and/or grinding the second end of the first shaft (11) and the second end of the second shaft (12), before the step S1, further comprising:
the first bearing is sleeved at the second end of the first rotating shaft (11), and the second bearing is sleeved at the second end of the second rotating shaft (12);
mounting a first bearing seat on the first bearing and a second bearing seat on the second bearing;
in the step S1, the mounting the cylinder (1) to the upper end of the shutter (2) includes:
the first bearing block is mounted on a first support plate (21) and the second bearing block is mounted on a second support plate (22).
9. The method of mounting a stern roller arrangement as claimed in claim 8, wherein mounting the first bearing block on the first support plate (21) and mounting the second bearing block on the second support plate (22) comprises: adjusting the mounting height of the first bearing seat and/or the second bearing seat so that the axial direction of the cylinder (1) is parallel to a ship deck (4).
10. The method for mounting a stern roller assembly as claimed in claim 9, wherein the step of adjusting the mounting height of the first bearing housing and/or the second bearing housing further comprises: the first bearing seat is bolted to the first support plate through a drill-fit bolt hole, and the second bearing seat is bolted to the second bearing seat through a drill-fit bolt hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111460812.0A CN114148453B (en) | 2021-12-01 | 2021-12-01 | Stern roller device and installation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111460812.0A CN114148453B (en) | 2021-12-01 | 2021-12-01 | Stern roller device and installation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN114148453A true CN114148453A (en) | 2022-03-08 |
| CN114148453B CN114148453B (en) | 2023-12-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111460812.0A Active CN114148453B (en) | 2021-12-01 | 2021-12-01 | Stern roller device and installation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115140242A (en) * | 2022-06-29 | 2022-10-04 | 中山大学 | Stern operation mechanism of ship and scientific investigation ship |
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| KR20130002546U (en) * | 2011-10-19 | 2013-04-29 | 현대중공업 주식회사 | Pulling auxiliary zig for cables or hose pipes |
| KR20140089463A (en) * | 2013-01-04 | 2014-07-15 | 김태호 | Management device of long-line type cage for abalone and refloat method thereby |
| CN103482037A (en) * | 2013-09-23 | 2014-01-01 | 浙江海洋学院 | Small-sized tugboat |
| CN104354831A (en) * | 2014-11-13 | 2015-02-18 | 南通润邦海洋工程装备有限公司 | Installation process for tail roller of three-purpose working ship |
| CN106216982A (en) * | 2016-08-16 | 2016-12-14 | 东台市海鹏船舶配件有限公司 | A kind of marine stern axle tube is installed and is used modified form auxiliary device |
| CN206664884U (en) * | 2017-05-02 | 2017-11-24 | 张家港市康源机械有限公司 | Full circle swinging length collects unloading ship away from automatic |
| CN209126933U (en) * | 2018-08-22 | 2019-07-19 | 张家港市海丰水面环保机械有限公司 | Indexing type paddle wheel and use the indexing type paddlewheel propulsion cleaning boat |
| CN111483558A (en) * | 2020-05-27 | 2020-08-04 | 南通长青沙船舶工程有限公司 | Protective fence of bridge plate when roll-on/roll-off ship gets on or off vehicle |
| CN212828980U (en) * | 2020-07-24 | 2021-03-30 | 秭归华星船务有限公司 | Ship stern shaft mounting device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115140242A (en) * | 2022-06-29 | 2022-10-04 | 中山大学 | Stern operation mechanism of ship and scientific investigation ship |
| CN115140242B (en) * | 2022-06-29 | 2023-07-25 | 中山大学 | Ship stern operation mechanism and scientific investigation ship |
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