CN112249240A - Movable gangplank arrangement structure of self-discharging ship - Google Patents
Movable gangplank arrangement structure of self-discharging ship Download PDFInfo
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- CN112249240A CN112249240A CN202011022548.8A CN202011022548A CN112249240A CN 112249240 A CN112249240 A CN 112249240A CN 202011022548 A CN202011022548 A CN 202011022548A CN 112249240 A CN112249240 A CN 112249240A
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- movable
- platform
- turnover
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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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- Ocean & Marine Engineering (AREA)
- Ship Loading And Unloading (AREA)
Abstract
The invention relates to the technical field of ship design, in particular to a movable gangway arrangement structure of a self-discharging ship, which comprises a pair of turnover devices which are respectively arranged on the self-discharging ship and lean against a port side part and a starboard side part of a built-in ship tail, wherein each turnover device comprises a fixedly arranged support and a turnover platform which is rotationally arranged on the support through hinged shaft connection, a rotary table is rotationally arranged on the turnover platform far away from the hinged shaft, a hook seat is arranged on the rotary table, and a horizontal hook shaft used for being connected with the movable gangway is rotationally arranged on the hook seat; the turning platform is characterized in that a turning platform retracting device used for operating the turning platform to turn up and down is arranged beside the turning device, the rotary table on the turning platform is exposed out of the gunwale at the stern when the turning platform turns to the horizontal position, and the turning platform is stored in the gunwale at the stern together with the rotary table after being turned upwards for 90 degrees from the horizontal position. The invention enlarges the use angle of the springboard and has good use flexibility.
Description
Technical Field
The invention relates to the technical field of ship design, in particular to a movable gangplank arrangement structure of a self-unloading ship.
Background
A self-dumping ship is a dry bulk transport ship having a special cargo hold structure and unloading facilities for unloading cargo in a continuous transfer manner. The self-unloading ship can control the unloading operation in a centralized way, and high-speed automatic unloading is realized. In order to facilitate boarding and disembarking of crews, a gangway is usually provided on the dump vessel.
The conventional arrangement structure of the springboard of the self-unloading ship in the prior art adopts a double-springboard arrangement structure, namely, one springboard is respectively arranged at the left side and the right side of the ship. The double-springboard arrangement structure has the following disadvantages: the two gangboards are not flexible enough when being fixed on the two sides of the ship, and particularly, the use angle of the gangboard is limited to a certain degree, so that the use convenience of the gangboard is influenced.
Disclosure of Invention
In order to solve the problems, in the design of a 40000-ton self-unloading bulk cargo ship, a movable springboard mounting structure of the self-unloading ship is provided, and a specially designed overturning platform is configured. When the ship needs to land, the springboard is lifted out of the storage position to the overturning platform by using a crane on the ship for a crew to use. The design can save one springboard and enlarge the use angle of the springboard. The specific technical scheme is as follows:
a movable gangplank arranging structure of a self-discharging ship comprises a pair of turnover devices which are respectively arranged on the self-discharging ship and lean against a port side part and a port side part of a built-up stern, wherein each turnover device comprises a fixedly arranged support and a turnover platform which is rotationally arranged on the support through hinged shaft connection, a rotary table is rotationally arranged on the turnover platform far away from the hinged shaft, a hook seat is arranged on the rotary table, and a horizontal hook shaft used for being connected with the movable gangplank is rotationally arranged on the hook seat; and a turnover platform retracting device used for operating the turnover platform to turn up and down is arranged beside the turnover device, a rotary table on the turnover platform is exposed out of the gunwale at the stern when the turnover platform turns to the horizontal position, and the turnover platform and the rotary table are contained in the gunwale at the stern after the turnover platform turns upwards for 90 degrees from the horizontal position.
In the above technical scheme, the rotary table is a free rotary table without power drive.
Among the above-mentioned technical scheme, through setting up the position of going on shore in being close to and building stern position on, can make things convenient for crew's upper and lower.
In the invention, when the overturning platform is overturned to the horizontal position, the revolving axis of the revolving platform is vertical to the horizontal plane.
According to the invention, the turnover platform retracting device comprises a vertical column which is vertically and fixedly arranged and a manual winch which is installed on the vertical column, wherein a traction steel wire rope of the manual winch is connected with the turnover platform and realizes the vertical turnover of the turnover platform.
According to the invention, the overturning platform is turned upwards when the traction steel wire rope of the manual winch is folded, and the traction steel wire rope of the manual winch is gradually laid downwards and horizontally under the action of the self gravity of the overturning platform when being released.
In the present invention, the number of the holders is one pair.
Preferably, the last locking Assembly who is used for the upset platform carries out the locking after upwards overturning 90 degrees from horizontal position and fixes that is provided with of turning device, locking Assembly includes tension screw, connects the drag hook of tension screw one end, connects the nut of the tension screw other end and connection are in dog on the stand, the upset platform is pasted after upwards overturning 90 degrees from horizontal position and is leaned on the dog, tension screw connects the upset platform of upwards overturning 90 degrees with between the stand, the drag hook of tension screw one end is held the upset platform and is passed through the nut of the tension screw other end will the upset platform is taut on the dog.
According to the invention, a support column is fixedly arranged below the overturning platform, and the lower part of the overturning platform is pressed against the support column when the overturning platform is placed horizontally.
Preferably, one end of the movable springboard is provided with a hook connected with a horizontal hook shaft on the hook seat, and the other end of the movable springboard is provided with a pulley used for contacting with the wharf ground; when the movable springboard is not used, the movable springboard is independently placed at the appointed storage position of the springboard of the self-discharging ship, and when the movable springboard is used, a crane at the tail of the self-discharging ship is used for hoisting, so that one end of the movable springboard is connected with a horizontal hook shaft on a rotary table of the turnover device, and the other end of the movable springboard is contacted with the ground of a wharf; after the hook of the movable springboard is connected with the horizontal hook shaft on the hook seat, a safety bolt is connected between the hook and the hook seat.
Preferably, the upright post is a rectangular tube upright post, and the nut on the tensioning screw rod is a butterfly nut.
Preferably, the number of the movable springboards is 1.
Considering that the springboard is long (the length of the springboard of 40000 tons of self-unloading ship reaches 12 meters), the movable springboard is preferably made of aluminum, a hook is designed at one end of the springboard and fixed with the overturning platform, and a pulley is arranged at the other end of the springboard, so that the springboard is convenient to contact with the ground of the wharf. During operation, the manual winch is used for lifting the turnover platform down, then the movable springboard is lifted away from a fixed position by a crane on a ship and is lowered onto the turnover platform, a hook of the movable springboard is fixed with a hook seat, a safety bolt is inserted, and then the movable springboard can be rotated by a certain angle by the crane to achieve the optimal working state.
The invention has the beneficial effects that:
first, according to the movable gangplank installation structure of the self-discharging ship, the gangplank is fixedly connected with the rotatable rotary table, so that the use angle range of the gangplank can be expanded.
Secondly, the movable gangplank mounting structure of the self-unloading ship adopts a hanging-off mode, the gangplank is hung by a crane on the ship for use when the ship needs to land on the shore on any side, the conventional mode that two gangplanks are fixed on two sides is not adopted, the flexibility is good, and one gangplank can be saved.
Thirdly, according to the movable gangplank arrangement structure of the self-discharging ship, the overturning platform can be stored back through the manual winch when not in work and is fixed to stand in the gunwale, the overturning platform can be laid flat through the manual winch when in use, and the movable gangplank arrangement structure is good in safety and convenient to operate.
Drawings
FIG. 1 is a schematic view (top view) of a movable ramp installation structure of a self-discharging ship according to the present invention;
FIG. 2 is a schematic view of the turning device of FIG. 1;
FIG. 3 is a schematic structural view of the turning platform in FIG. 2 after being turned upwards by 90 degrees;
fig. 4 is a top view of fig. 2 (with the manual winch not shown).
In the figure: 1. the side board, 2, the side board, 3, turning device, 4, the support, 5, the hinge, 6, the upset platform, 7, the revolving platform, 8, the couple seat, 9, movable springboard, 10, horizontal couple axle, 11, the upset platform receiving and releasing device, 12, the stand, 13, manual formula winch, 14, pull wire rope, 15, locking Assembly, 16, tensioning screw, 17, the nut, 18, the dog, 19, the support column, 20, the drag hook.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Fig. 1 to 4 show an embodiment of a movable gangplank mounting structure of a self-discharging ship according to the present invention, which includes a pair of turning devices 3 respectively disposed on the self-discharging ship and near the port side 1 and the starboard side 2 of the built-up stern, wherein the turning devices 3 include a support 4 fixedly disposed, a turning platform 6 rotatably disposed on the support 4 through a hinge shaft 5, a revolving platform 7 rotatably disposed on the turning platform 6 at a position far from the hinge shaft 5, a hook base 8 disposed on the revolving platform 7, and a horizontal hook shaft 10 rotatably disposed on the hook base 8 for connecting with a movable gangplank 9; a turnover platform retracting device 11 for operating the turnover platform 6 to turn up and down is arranged beside the turnover device 3, the rotary table 7 on the turnover platform 6 is exposed out of the stern gunwale when the turnover platform 6 turns to the horizontal position, and the turnover platform 6 and the rotary table 7 are accommodated in the stern gunwale after the turnover platform 6 turns upwards for 90 degrees from the horizontal position.
In the above technical solution, the turntable 7 is a free turntable which is not driven by power.
Among the above-mentioned technical scheme, through setting up the position of going on shore in being close to and building stern position on, can make things convenient for crew's upper and lower.
In this embodiment, when the turning platform 6 is turned to the horizontal position, the rotation axis of the rotary table 7 is perpendicular to the horizontal plane.
In this embodiment, the turnover platform winding and unwinding device 11 includes a vertical column 12 that is erected and fixedly disposed, and a manual winch 13 installed on the vertical column 12, and a traction steel wire rope 14 of the manual winch 13 is connected to the turnover platform 6 to realize the vertical turnover of the turnover platform 6.
In this embodiment, the turning platform 6 is turned up when the traction wire 14 of the manual winch 13 is drawn in, and the traction wire 14 of the manual winch 13 is gradually laid down by the gravity of the turning platform 6 when being paid out.
In this embodiment, the number of the holders 4 is one pair.
Preferably, the turning device 3 is provided with a locking assembly 15 for locking and fixing the turning platform 6 after being turned upwards by 90 degrees from the horizontal position, the locking assembly 15 comprises a tension screw 16, a drag hook 20 connected to one end of the tension screw 16, a nut 17 connected to the other end of the tension screw 16 and a stop 18 connected to the upright post 12, the turning platform 6 is attached to the stop 18 after being turned upwards by 90 degrees from the horizontal position, the tension screw 16 is connected between the turning platform 6 which is turned upwards by 90 degrees and the upright post 12, the drag hook 20 at one end of the tension screw 16 pulls the turning platform 6 and the turning platform 6 is tightened on the stop 18 through the nut 17 at the other end of the tension screw 16.
In this embodiment, a support column 19 is fixedly arranged on the downward placement of the turnover platform, and the lower portion of the turnover platform 6 is pressed against the support column 19 when the turnover platform is placed on a horizontal position.
Preferably, one end of the movable springboard 9 is provided with a hook connected with a horizontal hook shaft 10 on the hook seat 8, and the other end of the movable springboard 9 is provided with a pulley used for contacting with the wharf ground; when the movable springboard 9 is not used, the movable springboard 9 is independently placed at the appointed storage position of the springboard of the self-unloading ship, when the movable springboard 9 is used, a crane at the tail of the self-unloading ship is used for hoisting, one end of the movable springboard 9 is connected with a horizontal hook shaft 10 on a revolving platform 7 of the turnover device 3, and the other end of the movable springboard is contacted with the ground of a wharf; after the hook of the movable springboard 9 is connected with the horizontal hook shaft 10 on the hook seat 8, a safety bolt is connected between the hook and the hook seat 8.
Preferably, the upright post 12 is a rectangular tube upright post, and the nut 17 on the tightening screw 16 is a butterfly nut.
Preferably, the number of the movable gangway 9 is 1.
Considering that the springboard is long (the length of the springboard of 40000 tons of self-unloading ship reaches 12 meters), the movable springboard 9 is preferably made of aluminum, a hook is designed at one end of the springboard to be fixed with the overturning platform 6, and a pulley is arranged at the other end of the springboard to facilitate the contact of the springboard and the ground of the wharf. During operation, the manual winch 13 is used for putting down the overturning platform 6, then the movable springboard 9 is lifted from a fixed position by a crane on a ship and put down on the overturning platform 6, a safety bolt is inserted between a hook of the movable springboard 9 and the hook seat 8, and then the movable springboard 9 can be rotated by a certain angle by the crane to achieve the optimal working state.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A movable springboard mounting structure of a self-discharging ship is characterized by comprising a pair of turnover devices which are respectively arranged on the self-discharging ship and lean against a port side part and a starboard side part of a built-up stern, wherein each turnover device comprises a fixedly arranged support and a turnover platform which is rotationally arranged on the support through hinge shaft connection, a rotary table is rotationally arranged on the turnover platform far away from the hinge shaft, a hook seat is arranged on the rotary table, and a horizontal hook shaft used for being connected with the movable springboard is rotationally arranged on the hook seat; and a turnover platform retracting device used for operating the turnover platform to turn up and down is arranged beside the turnover device, a rotary table on the turnover platform is exposed out of the gunwale at the stern when the turnover platform turns to the horizontal position, and the turnover platform and the rotary table are contained in the gunwale at the stern after the turnover platform turns upwards for 90 degrees from the horizontal position.
2. The movable gangway structure of claim 1, wherein the rotation axis of the turntable is perpendicular to the horizontal plane when the platform is turned to the horizontal position.
3. The movable gangplank placement structure of a self-discharging ship of claim 1, wherein said turnover platform retraction device comprises a vertical column which is vertically and fixedly arranged, a manual winch installed on said vertical column, a traction steel wire rope of said manual winch connects said turnover platform and realizes the up-and-down turnover of said turnover platform.
4. The movable ramp of a self-discharging ship as set forth in claim 1, wherein said supports are paired in number.
5. The movable gangplank arrangement structure of a self-discharging ship of claim 3, wherein the turning device is provided with a locking assembly for locking and fixing the turning platform after turning upwards for 90 degrees from a horizontal position, the locking assembly comprises a tension screw, a drag hook connected to one end of the tension screw, a nut connected to the other end of the tension screw and a stop block connected to the upright post, the turning platform is attached to the stop block after turning upwards for 90 degrees from the horizontal position, the tension screw is connected between the turning platform turning upwards for 90 degrees and the upright post, and the drag hook at one end of the tension screw pulls the turning platform and tightens the turning platform on the stop block through the nut at the other end of the tension screw.
6. The movable gangway mounting structure of a self-discharging ship according to claim 1, wherein one end of the movable gangway is provided with a hook connected with a horizontal hook shaft on the hook base, and the other end of the movable gangway is provided with a pulley for contacting with the ground of the dock; when the movable springboard is not used, the movable springboard is independently placed at the appointed storage position of the springboard of the self-discharging ship, and when the movable springboard is used, a crane at the tail of the self-discharging ship is used for hoisting, so that one end of the movable springboard is connected with a horizontal hook shaft on a rotary table of the turnover device, and the other end of the movable springboard is contacted with the ground of a wharf; after the hook of the movable springboard is connected with the horizontal hook shaft on the hook seat, a safety bolt is connected between the hook and the hook seat.
7. The movable gangplank arrangement of claim 1, wherein said columns are rectangular tube columns and said nuts on said tension screws are wing nuts.
8. The movable ramp of a self-discharging ship as set forth in claim 1, wherein the number of the movable ramps is 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011022548.8A CN112249240A (en) | 2020-09-25 | 2020-09-25 | Movable gangplank arrangement structure of self-discharging ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011022548.8A CN112249240A (en) | 2020-09-25 | 2020-09-25 | Movable gangplank arrangement structure of self-discharging ship |
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| Publication Number | Publication Date |
|---|---|
| CN112249240A true CN112249240A (en) | 2021-01-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011022548.8A Pending CN112249240A (en) | 2020-09-25 | 2020-09-25 | Movable gangplank arrangement structure of self-discharging ship |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130115802A (en) * | 2012-04-13 | 2013-10-22 | 현대중공업 주식회사 | Platform device for getting into and out of drillship having an automatic height control function |
| CN203410599U (en) * | 2013-08-07 | 2014-01-29 | 浙江方圆造船有限公司 | Convenient springboard contraction and release device |
| CN206012893U (en) * | 2016-08-19 | 2017-03-15 | 厦门船舶重工股份有限公司 | A kind of scalable ship springboard ladder |
| CN107472462A (en) * | 2016-06-08 | 2017-12-15 | 南通中集太平洋海洋工程有限公司 | A kind of boarding bridge and its building method |
| CN108068995A (en) * | 2016-11-15 | 2018-05-25 | 中航鼎衡造船有限公司 | A kind of new gangway ladder |
-
2020
- 2020-09-25 CN CN202011022548.8A patent/CN112249240A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130115802A (en) * | 2012-04-13 | 2013-10-22 | 현대중공업 주식회사 | Platform device for getting into and out of drillship having an automatic height control function |
| CN203410599U (en) * | 2013-08-07 | 2014-01-29 | 浙江方圆造船有限公司 | Convenient springboard contraction and release device |
| CN107472462A (en) * | 2016-06-08 | 2017-12-15 | 南通中集太平洋海洋工程有限公司 | A kind of boarding bridge and its building method |
| CN206012893U (en) * | 2016-08-19 | 2017-03-15 | 厦门船舶重工股份有限公司 | A kind of scalable ship springboard ladder |
| CN108068995A (en) * | 2016-11-15 | 2018-05-25 | 中航鼎衡造船有限公司 | A kind of new gangway ladder |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210122 |
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| RJ01 | Rejection of invention patent application after publication |