CN111572718A - Retractable double-lifting-point boat retracting device and using method thereof - Google Patents
Retractable double-lifting-point boat retracting device and using method thereof Download PDFInfo
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- CN111572718A CN111572718A CN202010607652.7A CN202010607652A CN111572718A CN 111572718 A CN111572718 A CN 111572718A CN 202010607652 A CN202010607652 A CN 202010607652A CN 111572718 A CN111572718 A CN 111572718A
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- boat
- lifting
- cross beam
- point
- movable
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000000725 suspension Substances 0.000 claims abstract description 34
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 10
- 238000003860 storage Methods 0.000 claims abstract description 7
- 238000009434 installation Methods 0.000 claims abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B23/00—Equipment for handling lifeboats or the like
- B63B23/02—Davits, i.e. devices having arms for lowering boats by cables or the like
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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
- B63B23/00—Equipment for handling lifeboats or the like
- B63B23/40—Use of lowering or hoisting gear
- B63B23/48—Use of lowering or hoisting gear using winches for boat handling
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention relates to the technical field of boat launching and releasing, and discloses a telescopic double-lifting-point boat launching and releasing device and a using method thereof, wherein the telescopic double-lifting-point boat launching and releasing device comprises: the two suspension arms are arranged, the installation distance of the two suspension arms is L, and the two suspension arms are arranged oppositely; the suspension arm comprises a cross beam, the cross beam comprises a fixed cross beam and a movable cross beam matched with the fixed cross beam, and the fixed cross beam and the movable cross beam are connected with each other through a telescopic hydraulic oil cylinder; the outer end of the movable cross beam is provided with a pulley, a twisted rope is arranged on the pulley, one end of the twisted rope is connected with a lifting hook, and the other end of the twisted rope is connected with a winch. According to the invention, the suspension arm of the boat davit retracting device is designed into a telescopic structure, so that the compatible retracting of various double-suspension-point boats can be met, the precious deck space and a large amount of use and maintenance cost are saved, and the multi-purpose effect of one machine is realized; the boat bracket is designed to be movable, so that the storage of various boats can be met, the structure of the bracket part is simplified, and the manufacturing, using and maintaining costs are reduced.
Description
Technical Field
The invention relates to the technical field of boat launching and releasing, in particular to a telescopic double-lifting-point boat launching and releasing device and a using method thereof.
Background
The device for receiving and releasing the boat is called a boat davit, and can be divided into a single-hanging-point type and a double-hanging-point type according to the number of hanging points of the boat, and the boat davit receiving and releasing device matched with the boat davit also has the branch of the single-arm type and the double-arm type.
For the double-arm type boat davit retracting device, because the positions of two suspension arms are relatively fixed after the two suspension arms are installed, the common double-arm type boat davit retracting device can only be limited to be matched with a double-suspension-point type boat for use. At present, a ship needs to be equipped with various double-hanging-point type boats, the various double-hanging-point type boats do not need to work simultaneously, and if different boats are equipped with corresponding boat lifting frame retracting devices, precious space on an onboard deck is greatly occupied, and extra and huge use and maintenance cost is increased.
In view of the above, there is a need for further improvements in boat stowing devices to address the above-mentioned problems with the prior art.
Disclosure of Invention
The invention aims to provide a telescopic double-lifting-point boat retracting device and a using method thereof.
In order to achieve the purpose, the invention adopts the main technical scheme that:
a retractable double-lifting-point boat retraction device comprises: the two suspension arms are arranged, the installation distance of the two suspension arms is L, and the two suspension arms are arranged oppositely;
the suspension arm comprises a cross beam, the cross beam comprises a fixed cross beam and a movable cross beam matched with the fixed cross beam, and the fixed cross beam and the movable cross beam are connected with each other through a telescopic hydraulic oil cylinder;
the outer end of the movable cross beam is provided with a pulley, a twisted rope is arranged on the pulley, one end of the twisted rope is connected with a lifting hook, and the other end of the twisted rope is connected with a winch.
Preferably, a sliding track is arranged under the cross beam, a boat bracket is arranged on the sliding track, and a sliding block matched with the sliding track is fixedly arranged at the lower end of the boat bracket.
Preferably, the two winches are synchronously linked, and the two winches are respectively arranged beside the two suspension arms.
A use method of a retractable double-lifting-point boat retraction device comprises the following steps:
the method comprises the following steps: adjusting the appropriate distance between the two movable cross beams according to the length of the boat to be lifted;
step two: the two lifting hooks are respectively connected with the front and the back of the boat;
step three: a boat is placed on the sliding track through a winch and a twisted rope, and the sliding block is placed in the sliding track;
step four: the boat is moved on the track to reach the storage place.
In the first step, the length of the suspension arm is adjusted by the movable cross beams through the control of a telescopic hydraulic oil cylinder, and then the distance between the two movable cross beams is adjusted.
The invention has at least the following beneficial effects:
1. the suspension arm of the boat davit collecting and releasing device is designed to be a telescopic structure, so that the compatible collecting and releasing of various double-suspension-point boats can be met, the precious deck space and a large amount of use and maintenance cost are saved, and the multi-purpose function of one machine is realized.
2. The boat bracket is designed to be movable, so that the storage of various boats can be met, the structure of the bracket part is simplified, and the manufacturing, using and maintaining costs are reduced.
Drawings
Fig. 1 is a schematic structural diagram of the retractable double-lifting-point boat retraction device.
[ description of reference ]
In the figure: the lifting device comprises a lifting arm 1, a cross beam 11, a fixed cross beam 12, a movable cross beam 13, a telescopic hydraulic oil cylinder 2, a pulley 3, a twisted rope 4, a lifting hook 5, a winch 6, a sliding rail 7, a boat bracket 8 and a sliding block 9.
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.
As shown in fig. 1, the invention provides a retractable double-lifting-point boat retraction device, which comprises: the two suspension arms 1 are arranged, the installation distance between the two suspension arms 1 is L, and the two suspension arms 1 are arranged oppositely; the suspension arm 1 comprises a beam 11, the beam 11 comprises a fixed beam 12 and a movable beam 13 matched with the fixed beam 12, and the fixed beam 12 and the movable beam 13 are connected with each other through a telescopic hydraulic oil cylinder 2; the outer end of the movable beam 12 is provided with a pulley 3, a twisted rope 4 is arranged on the pulley 3, one end of the twisted rope 4 is connected with a lifting hook 5, the other end of the twisted rope 4 is connected with a winch 6, a sliding rail 7 is arranged under the beam 11, a boat bracket 8 is arranged on the sliding rail 7, a sliding block 9 matched with the sliding rail 7 is fixedly arranged at the lower end of the boat bracket 8, the two winches 6 are synchronously linked, and the two winches 6 are respectively arranged beside the two suspension arms 1.
The installation distance of the two suspension arms 1 is L, the beam 11 is designed into a telescopic structure, the telescopic structure is controlled by a telescopic hydraulic oil cylinder 2 to be telescopic, and when the oil cylinder extends to the right position, the distance between the suspension points of the two suspension arms is A; when the oil cylinder is contracted in place, the distance between the lifting points of the two suspension arms is B, so that the boat davit retracting and releasing device can meet the retracting and releasing work of any small boat with the distance between the fore and aft lifting points A and B;
in addition, in order to ensure the storage of various small boats, the small boat bracket 8 is designed to be movable, a linear rail 7 is laid on the deck, and the joint of the small boat bracket 8 and the rail 7 is designed to be rolling or sliding so as to move freely on the rail and facilitate the folding and unfolding of the small boats.
A use method of a retractable double-lifting-point boat retraction device comprises the following steps:
the method comprises the following steps: adjusting the proper distance between the two movable cross beams 13 according to the length of the boat to be lifted;
step two: two lifting hooks 5 are respectively connected with the front and the back of the boat;
step three: the boat is placed on the sliding track 7 through the winch 6 and the twisted rope 4, and the sliding block 9 is placed in the sliding track 7;
step four: the boat is moved on the rails 7 to a storage location.
In the first step, the movable cross beams 13 adjust the length of the suspension arm 1 through the control of the telescopic hydraulic oil cylinder 2, and further adjust the distance between the two movable cross beams 13.
The use principle of the invention is as follows:
the main difference of different double-lifting-point boats lies in that the distances between bow and stern lifting points of the boats are different, the mounting distances between the two lifting arms of the traditional boat lifting frame folding and unfolding device are directly influenced, the scheme adopts a mode of not modifying the distances between the lifting arms, and the purpose of adjusting the distances between the lifting points of the two lifting arms is achieved by adjusting the length of a beam of the lifting arm. The specific technical scheme is as follows (see the layout of the novel boat davit retracting device in the attached figure 1):
the installation distance of the two suspension arms 1 is L, the beam 11 is designed into a telescopic structure, the telescopic structure is controlled by a telescopic hydraulic oil cylinder 2 to be telescopic, and when the oil cylinder extends to the right position, the distance between the suspension points of the two suspension arms is A; when the oil cylinder is contracted in place, the distance between the lifting points of the two suspension arms is B, so that the boat davit retracting and releasing device can meet the retracting and releasing work of any small boat with the distance between the fore and aft lifting points A and B;
in addition, in order to ensure the storage of a plurality of small boats, the small boat bracket 8 is designed to be movable, a straight line-shaped rail 7 is laid on a deck, the joint of the small boat bracket 8 and the rail 7 is designed to be rolling or sliding so as to move freely on the rail, and after the proper position is determined, the small boat bracket is locked by a stopping device.
It is to be noted that, in the present invention, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a reference structure" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
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 (5)
1. A retractable double-lifting-point boat retraction device comprises: davit (1), its characterized in that: the two suspension arms (1) are arranged, the installation distance between the two suspension arms (1) is L, and the two suspension arms (1) are arranged oppositely;
the suspension arm (1) comprises a beam (11), the beam (11) comprises a fixed beam (12) and a movable beam (13) matched with the fixed beam (12), and the fixed beam (12) and the movable beam (13) are connected with each other through a telescopic hydraulic oil cylinder (2);
the outer end of the movable cross beam (12) is provided with a pulley (3), a twisted rope (4) is arranged on the pulley (3), one end of the twisted rope (4) is connected with a lifting hook (5), and the other end of the twisted rope (4) is connected with a winch (6).
2. The retractable double-lifting-point boat stowing and releasing device of claim 1, characterized in that: a sliding rail (7) is arranged under the cross beam (11), a boat bracket (8) is arranged on the sliding rail (7), and a sliding block (9) matched with the sliding rail (7) is fixedly arranged at the lower end of the boat bracket (8).
3. The retractable double-lifting-point boat stowing and releasing device of claim 2, characterized in that: the two winches (6) are synchronously linked, and the two winches (6) are respectively arranged beside the two suspension arms (1).
4. A use method of a retractable double-lifting-point boat retraction device is characterized by comprising the following steps:
the method comprises the following steps: adjusting the appropriate distance between the two movable cross beams (13) according to the length of the boat to be lifted;
step two: the two lifting hooks (5) are respectively connected with the front and the back of the boat;
step three: a boat is placed on the sliding track (7) through a winch (6) and a stranded rope (4), and the sliding block (9) is placed in the sliding track (7);
step four: the boat is moved on the track (7) to the storage place.
5. The use method of the retractable double-lifting-point boat stowing and releasing device according to claim 4, characterized in that: in the first step, the length of the suspension arm (1) is adjusted by the movable cross beam (13) through the control of the telescopic hydraulic oil cylinder (2), and further the distance between the two movable cross beams (13) is adjusted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010607652.7A CN111572718A (en) | 2020-06-30 | 2020-06-30 | Retractable double-lifting-point boat retracting device and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010607652.7A CN111572718A (en) | 2020-06-30 | 2020-06-30 | Retractable double-lifting-point boat retracting device and using method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111572718A true CN111572718A (en) | 2020-08-25 |
Family
ID=72109968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010607652.7A Withdrawn CN111572718A (en) | 2020-06-30 | 2020-06-30 | Retractable double-lifting-point boat retracting device and using method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111572718A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112356989A (en) * | 2020-11-19 | 2021-02-12 | 中国舰船研究设计中心 | Hanging type boat folding and unfolding device and method |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201068369Y (en) * | 2007-04-30 | 2008-06-04 | 中铁十七局集团有限公司 | Tyre type full-hydraulic cantilever gantry crane |
| CN101786489A (en) * | 2009-12-21 | 2010-07-28 | 镇江维斯特船用设备有限公司(外商独资) | Telescopic boat davit |
| CN202687806U (en) * | 2012-04-28 | 2013-01-23 | 上海利策科技股份有限公司 | Two-body movable self-elevating crane ship |
| CN202729631U (en) * | 2012-02-07 | 2013-02-13 | 张崇志 | Mobile gantry crane |
| CN205524830U (en) * | 2016-02-23 | 2016-08-31 | 江阴耐波特船用设备有限公司 | Platform keel block |
| CN206797653U (en) * | 2017-01-25 | 2017-12-26 | 江阴卧龙玻璃钢船艇有限公司 | Hoisting arm expansion formula boat davit |
| KR101880730B1 (en) * | 2018-05-23 | 2018-07-20 | 최재도 | Twin telescopic boat devit |
| CN208103766U (en) * | 2018-04-10 | 2018-11-16 | 宝鸡石油机械有限责任公司 | A kind of deep sea drilling production tree movement loop wheel machine |
| CN208617242U (en) * | 2018-06-23 | 2019-03-19 | 东台市富康机械有限公司 | Tunnel handling robot |
| CN212500906U (en) * | 2020-06-30 | 2021-02-09 | 中船绿洲镇江船舶辅机有限公司 | Retractable double-lifting-point boat folding and unfolding device |
-
2020
- 2020-06-30 CN CN202010607652.7A patent/CN111572718A/en not_active Withdrawn
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201068369Y (en) * | 2007-04-30 | 2008-06-04 | 中铁十七局集团有限公司 | Tyre type full-hydraulic cantilever gantry crane |
| CN101786489A (en) * | 2009-12-21 | 2010-07-28 | 镇江维斯特船用设备有限公司(外商独资) | Telescopic boat davit |
| CN202729631U (en) * | 2012-02-07 | 2013-02-13 | 张崇志 | Mobile gantry crane |
| CN202687806U (en) * | 2012-04-28 | 2013-01-23 | 上海利策科技股份有限公司 | Two-body movable self-elevating crane ship |
| CN205524830U (en) * | 2016-02-23 | 2016-08-31 | 江阴耐波特船用设备有限公司 | Platform keel block |
| CN206797653U (en) * | 2017-01-25 | 2017-12-26 | 江阴卧龙玻璃钢船艇有限公司 | Hoisting arm expansion formula boat davit |
| CN208103766U (en) * | 2018-04-10 | 2018-11-16 | 宝鸡石油机械有限责任公司 | A kind of deep sea drilling production tree movement loop wheel machine |
| KR101880730B1 (en) * | 2018-05-23 | 2018-07-20 | 최재도 | Twin telescopic boat devit |
| CN208617242U (en) * | 2018-06-23 | 2019-03-19 | 东台市富康机械有限公司 | Tunnel handling robot |
| CN212500906U (en) * | 2020-06-30 | 2021-02-09 | 中船绿洲镇江船舶辅机有限公司 | Retractable double-lifting-point boat folding and unfolding device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112356989A (en) * | 2020-11-19 | 2021-02-12 | 中国舰船研究设计中心 | Hanging type boat folding and unfolding device and method |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication | ||
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Application publication date: 20200825 |