CN111776166A - Method for carrying out load test on stern springboard of passenger rolling ship - Google Patents
Method for carrying out load test on stern springboard of passenger rolling ship Download PDFInfo
- Publication number
- CN111776166A CN111776166A CN202010681917.8A CN202010681917A CN111776166A CN 111776166 A CN111776166 A CN 111776166A CN 202010681917 A CN202010681917 A CN 202010681917A CN 111776166 A CN111776166 A CN 111776166A
- Authority
- CN
- China
- Prior art keywords
- stern ramp
- stern
- load test
- ramp
- passenger 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
- B63B79/00—Monitoring properties or operating parameters of vessels in operation
- B63B79/30—Monitoring properties or operating parameters of vessels in operation for diagnosing, testing or predicting the integrity or performance of vessels
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention relates to the technical field of ships, in particular to a method for a stern ramp load test of a ro-ro passenger ship, which comprises the following steps: s1, mounting the stern ramp on the passenger roller boat; s2, mounting a fixing device on the stern ramp; s3, the crane drives the stern ramp to rotate, and the fixing device fixes the stern ramp to keep the stern ramp in a horizontal state; s4, the crane hoists the support beam to the position below one end of the stern ramp, which is far away from the ro-ro passenger ship; s5, supporting the stern ramp by the supporting beam under the action of the crane, and releasing the fixing of the stern ramp by the fixing device; s6, setting a monitoring point on the stern ramp; s7, hoisting a weight to a set position of the stern springboard according to experimental requirements; s8, collecting data of the monitoring points; s9, hanging the weight on the transom plate away to finish the load test of the transom plate. The invention can carry out the load test on the stern springboard without moving the ship.
Description
Technical Field
The invention relates to the technical field of ships, in particular to a method for a stern ramp load test of a ro-ro passenger ship.
Background
After the stern ramp is installed in place on the ro-ro passenger ship, the ship needs to be moved to be perpendicular to a wharf shoreline, so that the ramp falls on the wharf, and then a ramp load test is carried out. However, in the prior art, ships in a shipyard are parked in parallel with the quayside. After the stern ramp of the ro-ro passenger ship is installed, the ro-passenger ship needs to be moved to be perpendicular to a wharf shoreline, so that the stern ramp falls on the wharf, and then a stern ramp load test is carried out. The ship moving is a huge project, consumes time and energy, needs to dismantle the kinetic energy wiring between a wharf and a ship and a boarding ladder, needs to stop the construction operation on the ship, and needs to be matched with a tugboat for moving.
Therefore, a method for testing the stern ramp load of the ro-ro passenger ship is needed to solve the technical problems.
Disclosure of Invention
The invention aims to provide a method for carrying out a load test on a stern ramp of a passenger rolling ship, which can carry out the load test on the stern ramp without moving the ship.
In order to achieve the purpose, the invention adopts the following technical scheme:
a method for a stern ramp load test of a passenger rolling vessel comprises the following steps:
s1, mounting a stern ramp on the ro-ro passenger ship, wherein the stern ramp can rotate and open relative to the ro-passenger ship;
s2, mounting a fixing device on the stern ramp;
s3, enabling the stern ramp to rotate by a crane to enable the stern ramp to be opened relative to the roller-load passenger ship and to be in a horizontal state, and fixing the stern ramp by the fixing device to enable the stern ramp to be kept in the horizontal state;
s4, the crane hoists the support beam to the position below one end of the stern ramp, which is far away from the ro-ro passenger ship;
s5, supporting the stern ramp by the supporting beam under the action of the crane, and releasing the fixing of the stern ramp by the fixing device;
s6, setting monitoring points on the stern ramp and collecting reference data of the monitoring points;
s7, hoisting a weight to a set position of the stern springboard according to experimental requirements;
s8, collecting data of the monitoring points;
s9, hanging the weight on the transom plate away to finish the load test of the transom plate.
Optionally, the fixing device comprises a hanging weight and a guy cable which are connected with each other, the hanging weight is connected with the transom board, and one end of the guy cable, which is far away from the hanging weight, is fixed.
Optionally, the cable is a wireline cable.
Optionally, in step S6, the plurality of monitoring points are disposed on the transom board.
Optionally, in the step S7, the set position of the weight on the transom is determined according to the structure of the transom.
Optionally, the set position of the stern ramp where the weight is placed is marked on the upper surface of the stern ramp.
Optionally, in step S8, the data collected at the monitoring point includes a deformation amount of the transom at the monitoring point.
Optionally, in step S9, after the weight is lifted away, the springback amount of the transom after the transom is deformed at the monitoring point is also collected.
Optionally, in step S9, after the load test of the transom is completed, the transom is reset.
Optionally, the support beam is an i-beam.
The invention has the beneficial effects that:
the invention provides a method for carrying out a load test on a stern ramp of a passenger roller ship. By the method, the load test can be performed on the stern springboard without moving a ship, the kinetic energy wiring and boarding ladder between a wharf and a ship do not need to be dismantled, and the construction efficiency is ensured.
Drawings
FIG. 1 is a schematic view of a stern ramp in an open state in a stern ramp load test of a ro-ro passenger ship according to the present invention;
FIG. 2 is a schematic view of a stern ramp for a load test in a stern ramp load test of a ro-ro passenger ship according to the present invention.
In the figure:
1. a ro-ro passenger ship; 2. a stern ramp; 3. a fixing device; 31. a cable; 4. a support beam; 5. and (5) pressing iron.
Detailed Description
The technical scheme of the invention is further explained by combining the attached drawings and the embodiment. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements associated with the present invention are shown in the drawings.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In order to avoid the need of dismantling the kinetic energy wiring between a wharf and a ship, a boarding ladder and ship moving when carrying out a load test on a stern ramp of a ro-ro passenger ship, as shown in figures 1 and 2, the invention provides a method for the load test of the stern ramp of the ro-passenger ship, which comprises the following steps:
s1, mounting the stern ramp 2 on the ro-ro ship 1, wherein the stern ramp 2 can rotate and open relative to the ro-ro ship 1;
s2, mounting a fixing device 3 on the transom 2;
s3, enabling the stern ramp 2 to be opened relative to the passenger roller boat 1 and to be in a horizontal state by the rotation of the crane with the stern ramp 2, and enabling the stern ramp 2 to be kept in the horizontal state by the fixing device 3;
s4, hoisting the support beam 4 to the lower part of one end of the stern ramp 2 far away from the ro-ro passenger ship 1 by a crane;
s5, the support beam 4 supports the stern ramp 2 under the action of the crane, and the fixing device 3 releases the fixing of the stern ramp 2;
s6, setting monitoring points on the stern ramp 2 and collecting reference data of the monitoring points;
s7, hoisting a weight 5 to a set position of the stern springboard 2 according to experimental requirements;
s8, collecting data of the monitoring points;
s9, hanging the weight 5 on the stern ramp 2 away to complete the load test of the stern ramp 2.
Further, in this embodiment, the fixing device 3 includes a hanger and a cable 31 connected to each other, the hanger is connected to the transom 2, and an end of the cable 31 away from the hanger is fixed. Specifically, the guy cable 31 may be connected to the dock or the ro-ro passenger ship 1 so that the transom 2 is in a horizontal state when the transom 2 is not supported after the transom 2 is opened. Specifically, the cable 31 is a wire rope cable.
Further, in step S6, a plurality of monitor points are provided on the transom 2. By arranging a plurality of monitoring points, the state of the stern ramp 2 after being loaded can be monitored in all directions, so that the performance of the stern ramp 2 can be accurately obtained.
Further, in step S7, the set position of the weight 5 on the transom 2 is determined according to the structure of the transom 2. Specifically, the position where the weight 5 is placed must be the position where the structural strength of the transom 2 is high, so as to prevent the weight 5 from damaging the transom 2.
Specifically, in order to facilitate quick hoisting of the weight 5 in place, the weight 5 is marked on the upper surface of the transom 2 and placed at a set position of the transom 2. In this embodiment, the set position where the weight 5 is placed can be brushed on the transom 2 by using water paint, and the specific manner is not limited herein.
Further, in step S8, the data collected at the monitoring point includes the deformation of the transom 2 at the monitoring point. Compared with the technical requirements of design, the deformation of the stern ramp 2 at the monitoring point is collected, so that whether the stern ramp 2 meets the design requirements can be quickly determined.
Further, in step S9, after the weight 5 is lifted away, the springback amount of the transom 2 after deformation at the monitoring point needs to be collected. The performance of the stern ramp 2 which is restored to the original state after being pressed can be determined by collecting the rebound quantity of the stern ramp 2 after being deformed at the monitoring point.
Further, in step S9, after the load test of the transom 2 is completed, the transom 2 is reset, so that the transom 2 is closed relative to the ro-ro passenger ship 1.
Further, in this embodiment, since the i-beam is common in a dock for ship construction, the i-beam is used as the support beam 4.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A method for a stern ramp load test of a passenger rolling vessel is characterized by comprising the following steps:
s1, mounting the stern ramp (2) on the ro-ro ship (1), wherein the stern ramp (2) can rotate and open relative to the ro-ro ship (1);
s2, mounting a fixing device (3) on the transom (2);
s3, the crane drives the stern ramp (2) to rotate, so that the stern ramp (2) is opened relative to the ro-ro passenger ship (1) and is in a horizontal state, and the fixing device (3) fixes the stern ramp (2) so that the stern ramp (2) is kept in the horizontal state;
s4, the crane hoists the support beam (4) to the position below one end of the stern ramp (2) far away from the ro-ro passenger ship (1);
s5, supporting the support beam (4) to the transom (2) under the action of the crane, and releasing the fixing of the transom (2) by the fixing device (3);
s6, setting monitoring points on the stern ramp (2), and collecting reference data of the monitoring points;
s7, hoisting a weight (5) to a set position of the stern springboard (2) according to experimental requirements;
s8, collecting data of the monitoring points;
s9, hanging the weight (5) on the stern ramp (2) away to finish the load test of the stern ramp (2).
2. The method for the stern ramp load test of the ro-ro passenger ship according to claim 1, wherein the fixing device (3) comprises a hanger and a guy cable (31) which are connected with each other, the hanger is connected with the stern ramp (2), and one end of the guy cable (31) far away from the hanger is fixed.
3. The method for the stern ramp load test of the ro-ro passenger ship according to claim 2, wherein the guy cable (31) is a wire rope guy cable.
4. The method for the stern ramp load test of the ro-ro passenger ship according to claim 1, wherein in step S6, a plurality of monitoring points are arranged on the stern ramp (2).
5. The method for the stern ramp load test of the ro-ro passenger ship according to claim 1, wherein in the step S7, the set position of the weight (5) on the stern ramp (2) is determined according to the structure of the stern ramp (2).
6. The method for the stern ramp load test of the ro-ro passenger ship according to claim 5, wherein the set position of the stern ramp (2) on which the weight (5) is placed is marked on the upper surface of the stern ramp (2).
7. The method for the stern ramp load test of the ro-ro passenger ship according to claim 1, wherein the step S8, the data collected at the monitoring point comprises the deformation of the stern ramp (2) at the monitoring point.
8. The method for the stern ramp load test of the ro-ro passenger ship according to claim 1, wherein in step S9, after the weight (5) is lifted away, the springback of the stern ramp (2) after the deformation of the monitoring point is collected.
9. The method for the stern ramp load test of the ro-ro passenger ship according to claim 1, wherein in the step S9, after the stern ramp (2) is subjected to the load test, the stern ramp (2) is reset.
10. The method for the stern ramp load test of a ro-ro passenger ship according to claim 1, wherein the support beam (4) is an i-beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010681917.8A CN111776166B (en) | 2020-07-15 | 2020-07-15 | Method for carrying out load test on stern springboard of passenger rolling ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010681917.8A CN111776166B (en) | 2020-07-15 | 2020-07-15 | Method for carrying out load test on stern springboard of passenger rolling ship |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111776166A true CN111776166A (en) | 2020-10-16 |
| CN111776166B CN111776166B (en) | 2021-10-26 |
Family
ID=72767842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010681917.8A Active CN111776166B (en) | 2020-07-15 | 2020-07-15 | Method for carrying out load test on stern springboard of passenger rolling ship |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111776166B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114088538A (en) * | 2021-12-22 | 2022-02-25 | 武昌船舶重工集团有限公司 | Ship springboard berth ballast test method |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4337545A (en) * | 1978-12-15 | 1982-07-06 | John Rose | Bridges for providing access from a water-borne craft to the shore |
| GB2366281A (en) * | 2000-09-04 | 2002-03-06 | Intelligent Engineering | Loading ramp of laminate type construction |
| CN2915928Y (en) * | 2006-06-13 | 2007-06-27 | 中国人民解放军总后勤部军事交通运输研究所 | Composite roll on/roll off gangplank |
| US20090211162A1 (en) * | 2004-06-18 | 2009-08-27 | Stanley Secretan | Quick close security door system |
| CN104709437A (en) * | 2013-12-13 | 2015-06-17 | 宜昌新高湖造船有限公司 | Roll-on-roll-off ship for heavy-duty automobiles at inland river and reservoir areas |
| SE1450460A1 (en) * | 2014-04-15 | 2015-10-16 | Tts Marine Ab | Procedure for ship ramp and device for carrying out the procedure |
| CN206020003U (en) * | 2016-08-19 | 2017-03-15 | 厦门船舶重工股份有限公司 | Roll-on/roll-off vessel for vehicle stern door static load test tool |
| CN106835941A (en) * | 2016-12-19 | 2017-06-13 | 中国船舶工业集团公司第七0八研究所 | A kind of springboard structure for connecting pontoon bridge and floating platform |
| CN110654506A (en) * | 2019-09-20 | 2020-01-07 | 江苏省船舶设计研究所有限公司 | Special springboard mechanism of Changjiang vehicle passenger ferry boat |
-
2020
- 2020-07-15 CN CN202010681917.8A patent/CN111776166B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4337545A (en) * | 1978-12-15 | 1982-07-06 | John Rose | Bridges for providing access from a water-borne craft to the shore |
| GB2366281A (en) * | 2000-09-04 | 2002-03-06 | Intelligent Engineering | Loading ramp of laminate type construction |
| US20090211162A1 (en) * | 2004-06-18 | 2009-08-27 | Stanley Secretan | Quick close security door system |
| CN2915928Y (en) * | 2006-06-13 | 2007-06-27 | 中国人民解放军总后勤部军事交通运输研究所 | Composite roll on/roll off gangplank |
| CN104709437A (en) * | 2013-12-13 | 2015-06-17 | 宜昌新高湖造船有限公司 | Roll-on-roll-off ship for heavy-duty automobiles at inland river and reservoir areas |
| SE1450460A1 (en) * | 2014-04-15 | 2015-10-16 | Tts Marine Ab | Procedure for ship ramp and device for carrying out the procedure |
| CN206020003U (en) * | 2016-08-19 | 2017-03-15 | 厦门船舶重工股份有限公司 | Roll-on/roll-off vessel for vehicle stern door static load test tool |
| CN106835941A (en) * | 2016-12-19 | 2017-06-13 | 中国船舶工业集团公司第七0八研究所 | A kind of springboard structure for connecting pontoon bridge and floating platform |
| CN110654506A (en) * | 2019-09-20 | 2020-01-07 | 江苏省船舶设计研究所有限公司 | Special springboard mechanism of Changjiang vehicle passenger ferry boat |
Non-Patent Citations (1)
| Title |
|---|
| 朱国峰等: "汽车渡船主跳板强度试验验证及有限元研究", 《江苏科技大学学报（自然科学版）》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114088538A (en) * | 2021-12-22 | 2022-02-25 | 武昌船舶重工集团有限公司 | Ship springboard berth ballast test method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111776166B (en) | 2021-10-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107697242B (en) | Automatic buoy recycling and laying device | |
| JP5736133B2 (en) | Floating structure work system, work boat, and floating structure work method | |
| CN100537348C (en) | Offshore platform integral constructing and hoisting method and special-purpose hoisting machine for the same | |
| CN102079363B (en) | Anchoring ocean observation and research buoy laying system and method based on small-sized ship | |
| CN102425145B (en) | Offshore wind turbine installation platform and hoisting device thereof | |
| NO861687L (en) | FARTOEY. | |
| US20230365383A1 (en) | Apparatus for installation and dissaembly of wind turbine and construction method | |
| CN101850831A (en) | Hoisting method of living area block of large ocean maritime work platform | |
| CN111776166B (en) | Method for carrying out load test on stern springboard of passenger rolling ship | |
| WO1992022458A1 (en) | Method of determining and analyzing a ship's weight | |
| CN102137973A (en) | Method for installing a drilling apparatus on a rig and for preparing drilling operations | |
| CN201834178U (en) | Anchoring-type buoy laying apparatus based on small-sized ship | |
| CN210437355U (en) | Wind power and sea oil type offshore boarding bridge | |
| CN110239672B (en) | Wind power sea oil type offshore boarding bridge | |
| JP5329374B2 (en) | Undulating gate breakwater | |
| CN201538941U (en) | Wharf flying bridge | |
| CN108163142B (en) | Hoisting method of stern springboard | |
| CN202164066U (en) | Hoisting device for large-scale articles | |
| CN210031511U (en) | Anti-slamming fast empting device for offshore hoisting | |
| CN209686328U (en) | A kind of ships and light boats berthing device | |
| CN109368508B (en) | The offshore lifting method of large size valve on floating production storage offloading's standpipe | |
| CN106379495A (en) | Wharf pile foundation underwater maintenance operation device with self-propulsion capability | |
| CN112129561A (en) | Crane load test method | |
| CN201301033Y (en) | Hoisting pallet of generator | |
| CN102336259B (en) | System for putting and taking back long-column shaped samplers from broadside based on fixed bulwark hull |
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 |