CN114408761A - Navigation mark recycling and hoisting device and method - Google Patents
Navigation mark recycling and hoisting device and method Download PDFInfo
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- CN114408761A CN114408761A CN202210035071.XA CN202210035071A CN114408761A CN 114408761 A CN114408761 A CN 114408761A CN 202210035071 A CN202210035071 A CN 202210035071A CN 114408761 A CN114408761 A CN 114408761A
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- navigation mark
- bracket
- lifting
- oil cylinder
- portal frame
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C19/00—Cranes comprising trolleys or crabs running on fixed or movable bridges or gantries
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C11/00—Trolleys or crabs, e.g. operating above runways
- B66C11/02—Trolleys or crabs, e.g. operating above runways with operating gear or operator's cabin suspended, or laterally offset, from runway or track
- B66C11/04—Underhung trolleys
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C15/00—Safety gear
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C5/00—Base supporting structures with legs
- B66C5/02—Fixed or travelling bridges or gantries, i.e. elongated structures of inverted L or of inverted U shape or tripods
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Jib Cranes (AREA)
Abstract
The invention provides a navigation mark recycling and hoisting device and a navigation mark recycling and hoisting method, which comprise a bracket, a clamping arm, a hoisting portal frame, a portal frame turnover mechanism and a bracket lifting and turnover mechanism, wherein the hoisting portal frame comprises an upright post, a base, an annular track and a traveling crane, the bottom of the upright post is hinged with the base, the annular track is arranged at the top of the upright post, the traveling crane moves along the annular track, the portal frame turnover mechanism is arranged on the base, the end head of a telescopic rod is connected with the upright post, the bracket lifting and turnover mechanism comprises a connecting cross beam, telescopic guide rails, a lifting oil cylinder and a bracket turnover oil cylinder, the telescopic guide rails are symmetrically arranged on a ship body, the bottom of the bracket is hinged with the connecting cross beam, the two end heads of the connecting cross beam are connected with an inner sleeve of the telescopic guide rails, the lifting oil cylinder is fixed on the outer sleeve, the end head of the telescopic rod is connected with the bottom of the bracket. The invention solves the problems of automatic recovery and lifting water discharge hoisting of the navigation mark and realizes non-drop height hooking or maintenance operation on the navigation mark on a deck.
Description
Technical Field
The invention belongs to the technical field of floating body recovery, and particularly relates to a device and a method for recovering and hoisting a navigation mark.
Background
When the navigation mark is recovered, personnel usually need to use a rope to sleeve the navigation mark or use a long hook to hook the navigation mark on the side of an open deck board without a guardrail, and sometimes even the personnel need to directly jump on the navigation mark or approach the navigation mark through a boat for the navigation mark with large diameter, then tie the lifting hook on the navigation mark, and finally lift the navigation mark on the boat by a crane. When the working modes are high in sea conditions, the problems of high personnel operation difficulty, low mechanization degree, long working time, high danger coefficient and the like exist. In order to solve the problems, although some novel navigation mark recovery devices are developed in recent years, such as an L-shaped arm and bracket recovery device, a navigation mark catching fork device, a clamping magnetic suction device and the like, wherein a bracket of the L-shaped arm and bracket recovery device needs to move up and down along a channel steel type guide rail under the control of a winch, not only is the operation flow complicated, but also the length of a fixed guide rail is influenced by the type depth and the curvature of an outer plate of a ship, the navigation mark ship with small type depth can not be installed and used, the fixed guide rail is deep underwater, the running resistance of the ship is increased, the navigation speed is reduced, the navigation mark is soaked in the water for a long time, the bracket is easy to slide and block in the guide rail after being attached with marine organisms, the maintenance is difficult, and the automatic hooking and lifting of the navigation mark can not be realized. The navigation mark capturing fork device is generally arranged at the head of a ship, is only suitable for low sea conditions, occupies an enlarged deck area during storage, and cannot realize automatic hooking and lifting of the navigation mark. The installation position of the clamping magnetic suction device can adapt to high sea conditions, can automatically capture the navigation mark, but still cannot realize automatic hooking and lifting of the navigation mark. Therefore, the existing navigation mark recovery devices have advantages and disadvantages, but the common problem is that automatic hooking and hoisting of the navigation mark are not realized, only automatic capturing of the navigation mark is realized, and hooking operation still needs to be realized by manpower, so that navigation mark operation still has certain danger under high sea conditions.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a buoy tender recovery and hoisting device and method aiming at the existing problems, so that high mechanical automatic capture, lifting, hooking and recovery of a maritime buoy are realized, the overall resource occupation and the overall performance influence of equipment shipment on a mother ship are reduced as much as possible, the safety of operators and equipment is guaranteed under a high sea condition, the operation difficulty is reduced, and the recovery operation efficiency and the use economy of ships are improved.
The technical scheme adopted by the invention for solving the technical problems is as follows: a navigation mark recycling and lifting device comprises a bracket and a clamping arm, and is characterized by further comprising a lifting portal frame, a portal frame turnover mechanism and a bracket lifting turnover mechanism, wherein the lifting portal frame comprises a stand column, a base, an annular track and a traveling crane, the bottom of the stand column is hinged to the base, the annular track is arranged at the top of the stand column, the traveling crane moves along the annular track, the portal frame turnover mechanism is a portal frame turnover oil cylinder and is arranged on the base, the end of a telescopic rod is connected with the stand column to drive the stand column to rotate, the bracket lifting turnover mechanism comprises a connecting cross beam, a telescopic guide rail, a lifting oil cylinder and a bracket turnover oil cylinder, the telescopic guide rail is symmetrically arranged on a ship body, an outer sleeve of the telescopic guide rail is fixed on the ship body, the bottom of the bracket is hinged to the connecting cross beam, two ends of the connecting cross beam are connected with an inner sleeve of the telescopic guide rail, the lifting oil cylinder is fixed on the outer sleeve, the telescopic link end with the inner skleeve is connected, on the bracket upset hydro-cylinder was fixed in the connection crossbeam, the telescopic link end was connected with the bracket bottom.
According to the scheme, the base is arranged on the deck of the ship body through the deck track moving mechanism, the deck track moving mechanism comprises the sliding rail assembly and the driving mechanism, the sliding rail assembly is laid on the deck of the ship body, the base is matched with the sliding rails, and the driving mechanism drives the base to move along the sliding rails.
According to the scheme, the sliding rail assembly is a chain transmission mechanism, the driving mechanism is a rotary motor, the rotary motor is connected with the chain transmission mechanism, and the base is fixed on a chain.
According to the scheme, the sliding rail assembly is a gear and rack transmission mechanism, the driving mechanism is a rotary motor, the rotary motor is connected with the gear shaft, the base is connected with the gear through a bearing, and the gear moves along the rack.
According to the scheme, the travelling crane winds up and stores the steel wire rope, and the free end of the steel wire rope is connected with the automatic lifting hook.
According to the scheme, an angle limiter is arranged between the bracket and the connecting beam.
According to the scheme, mechanical or electrical limiters are arranged at the maximum stroke positions of the telescopic guide rail and the deck track moving mechanism.
A method for recovering and hoisting a navigation mark is characterized by comprising the following steps:
s1) when the ship sails to the sea area near the navigation mark, the telescopic guide rail extends downwards by using the lifting oil cylinder to drive the connecting beam to move downwards, and further drive the bracket to move downwards along with the connecting beam until the ship reaches a certain depth underwater;
s2) overturning the oil cylinder by the bracket to enable the bracket to overturn from the place against the outer plate of the ship from inside to outside until the bracket is in a horizontal state;
s3), the clamping arm extends outwards, the ship is controlled to move forwards to be close to the navigation mark, the clamping arm is rotated to fold and capture the navigation mark, the navigation mark is controlled in the arm bend, and the navigation mark is pulled to be above the fork opening of the bracket;
s4), the lifting oil cylinder lifts the telescopic guide rail to drive the connecting beam and the bracket to move upwards along the telescopic guide rail, and the buoy of the navigation mark is lifted out of the water surface until the upper surface of the buoy of the navigation mark is close to or exceeds the deck surface, so that preparation is made for the subsequent automatic lifting and transferring work of the navigation mark;
s5) adjusting the position of the mobile crane along an annular track at the top of the lifting portal according to the position of the buoy lifting lug of the navigation mark, moving the automatic lifting hook above the buoy lifting lug of the navigation mark, remotely controlling the mobile crane to lower the automatic lifting hook, enabling the automatic lifting hook to contact the buoy lifting lug of the navigation mark, and locking the automatic lifting hook;
s6), the clamping arms are unfolded outwards, the crane withdraws the steel wire rope to lift the navigation mark, after the navigation mark is operated to lift, the position of the crane on the top ring rail can be properly adjusted in the lifting process, the navigation mark is prevented from colliding with a lifting portal frame or a ship body structure, when the navigation mark is integrally higher than a deck, the lifting portal frame can be moved by a deck rail moving mechanism or the lifting portal frame can be rotated by a portal frame overturning oil cylinder, so that the navigation mark can be smoothly and automatically lifted onto the ship, and free transfer and storage of the navigation mark on the deck surface can be realized by other engineering cranes or winches on the deck;
s7), after the lifting navigation mark is lifted, the telescopic guide rail is completely retracted by the lifting oil cylinder to drive the bracket to lift and separate from the water surface at a certain height, the bracket is rotated by the bracket overturning oil cylinder to lean against the outer plate of the ship, the wire rope and the automatic lifting hook are completely recovered by the crane, the crane is moved to a preset position to be locked, and the lifting gantry is operated by the gantry overturning oil cylinder to rotate to a preset angle to be stored and not to exceed the outboard.
The invention has the beneficial effects that: the device and the method for recovering and hoisting the navigation mark realize the full-flow automatic recovery of the navigation mark capturing, lifting, hooking and transferring, and improve the efficiency of the navigation mark capturing operation; personnel carry out the safe operation of no drop remote control automatic couple or maintenance and repair to the fairway buoy on the deck, make personnel not need artifical jump mark or artifical pull mark couple operation, make personnel's couple operation under the high sea condition become simple safety, improve operating personnel operation security, reduce the operation degree of difficulty.
Drawings
FIG. 1 is a front view of one embodiment of the present invention.
FIG. 2 is a side view of the device in a stored condition according to one embodiment of the invention.
FIG. 3 is a top view of the device in a stored state according to one embodiment of the invention.
Fig. 4a, 4b, 4c, 4d, 4e, and 4f are schematic diagrams of a procedure of recovering and hoisting a navigation mark according to an embodiment of the present invention.
Detailed Description
For a better understanding of the present invention, reference is made to the following description taken in conjunction with the accompanying drawings and examples.
As shown in fig. 1-3, a beacon recovery lifting device comprises a bracket 1 and a clamping arm 2, and further comprises a lifting gantry, a gantry turnover mechanism and a bracket lifting turnover mechanism, wherein the lifting gantry comprises an upright post 3, a base 4, an annular rail 5 and a traveling crane 6, the bottom of the upright post is hinged with the base, the annular rail is arranged at the top of the upright post, and the traveling crane moves along the annular rail; the gantry turnover mechanism is a gantry turnover oil cylinder 7 and is arranged on the base, and the end of the telescopic rod is connected with the upright post to drive the upright post to rotate; the bracket lifting turnover mechanism comprises a connecting beam 8, a telescopic guide rail 9, a lifting oil cylinder 10 and a bracket turnover oil cylinder 11, wherein the telescopic guide rail is symmetrically arranged on the ship body, an outer sleeve of the telescopic guide rail is fixed on the ship body, the bottom of the bracket is hinged to the connecting beam, two end heads of the connecting beam are connected with the inner sleeve of the telescopic guide rail, the lifting oil cylinder is fixed on the outer sleeve, the end head of a telescopic rod is connected with the inner sleeve, the bracket turnover oil cylinder is fixed on the connecting beam, and the end head of the telescopic rod is connected with the bottom of the bracket. When the device is arranged at the stern, the navigation mark can be directly captured through the reversing operation of the ship, and the device can also be arranged at the side or the stern of the ship and matched with other capturing devices such as a clamping arm and the like.
The bracket is controlled by hydraulic pressure multistage flexible guide rail and moves from top to bottom, and mechanical degree of automation is high, and flexible guide rail length setting is difficult for receiving the deep influence of boats and ships type, compares long fixed guide rail, more adapts to all kinds of large, medium and small type navigation mark ships configuration installation, and flexible guide rail setting is on the surface of water, does not influence the navigational speed and is difficult for receiving marine organism to adhere to and seawater corrosion influences, and the later maintenance of equipment is more convenient, and the maintenance cost is lower.
The equipment composition of the lifting turnover bracket is relatively compact in arrangement, the side storage volume is small, the telescopic guide rail and the bracket are stored and lean against an outer plate of the ship, the operation area of a deck is not occupied, and the self weight is light; and moreover, the buoy of the lifted navigation mark is discharged with water, so that the load borne by the lifting portal frame during lifting of the navigation mark is small, the self weight of the lifting portal frame is light, the occupied deck area is small, the adaptability of the whole set of equipment is good, and the economical efficiency is good.
The base is arranged on a ship body deck through a deck track moving mechanism, the deck track moving mechanism comprises a sliding rail component 12 and a driving mechanism, sliding rails are laid on the ship body deck, the base is matched with the sliding rails, and the driving mechanism drives the base to move along the sliding rails.
The slide rail is a chain transmission mechanism, the driving mechanism is a rotary motor, the rotary motor is connected with the chain transmission mechanism, and the base is fixed on the chain.
The sliding rail is a gear rack transmission mechanism, the driving mechanism is a rotary motor, the rotary motor is connected with a gear shaft, the base is connected with the gear through a bearing, and the gear moves along the rack.
The steel wire rope 13 is wound and stored on the crane, and the free end of the steel wire rope is connected with the automatic lifting hook 14, so that the automatic hooking and automatic lifting transferring operation of the subsequent navigation mark are facilitated.
An angle limiter is arranged between the bracket and the connecting beam; mechanical or electrical limiters are arranged at the maximum stroke positions of the telescopic guide rail and the deck rail moving mechanism.
The power source of the device can be provided by a hydraulic pump station of a mother ship or a self-contained hydraulic pump station, and the electric control part of the device mainly comprises a comprehensive control box, a local control platform and a remote controller or a remote control panel (optional).
The components such as the telescopic guide rail, the bracket, the lifting portal frame, the base, the deck track moving mechanism, the automatic lifting hook, the connecting cross beam and the like are all made of high-strength steel. The safe working load can be selected to ensure that the navigation mark can be safely captured under the high sea condition and can bear the collision and the storm impact of the navigation mark.
The steel wire rope is high-quality steel wire rope and is protected by daily oil coating.
The fork opening of the bracket is provided with anti-collision materials such as polyurethane or rubber bumper pads.
The ship outer plate is provided with nonmetal fenders at two sides and the middle part of the device so as to avoid the collision of components such as a telescopic guide rail, a bracket and the like with a berthing wharf or a ship.
Two telescopic guide rails for retracting the bracket, an annular rail at the top of the hoisting portal frame and guide rail surfaces of deck rail moving mechanisms at two sides of the hoisting portal frame are respectively kept on the same plane and are flat and smooth, and the surface can adopt hardening treatment measures such as nickel-chromium plating and the like, thereby reducing the deformation.
Proper measures such as paint coating, non-metallic material coating and the like are needed to be adopted on the clamping arm, the bracket and the telescopic guide rail, and the telescopic guide rail can also be protected by stainless steel and can also be protected by adding a lining or a protective cover.
When the complete set of device is arranged at the stern, the recovery navigation mark can be captured through the reversing operation of the ship. When the device is arranged on the side or the stern, the device can be matched with other capturing devices such as a clamping arm and the like arranged on an outer ship plate to capture the navigation mark at the same time.
When the device is used with the clamping arm, the specific operation flow of capturing and recovering the navigation mark is as follows (see fig. 4a-4 f):
(1) when the ship sails to the sea area near the navigation mark 15, the telescopic guide rail extends downwards by using the lifting oil cylinder to drive the connecting beam to move downwards, and further drive the bracket to move downwards along with the connecting beam until the ship reaches a certain depth underwater;
(2) a bracket overturning oil cylinder is used for overturning the bracket from a position against the outer plate of the ship from inside to outside until the bracket is in a horizontal state;
(3) the clamping arm extends outwards and expands, the ship is controlled to move forwards to be close to the navigation mark, the clamping arm is rotated to be folded to capture the navigation mark, the navigation mark is controlled in the arm bend, and the navigation mark is pulled to be above the fork opening of the bracket;
(4) the lifting oil cylinder lifts the telescopic guide rail to drive the connecting beam and the bracket to move upwards along the telescopic guide rail, and lifts the buoy of the navigation mark out of the water surface until the upper surface of the buoy of the navigation mark is close to or exceeds the deck surface, so that preparation is made for the subsequent automatic hoisting and transferring work of the navigation mark;
(5) adjusting the position of the mobile crane along an annular track at the top of the hoisting portal according to the position of the buoy lifting lug of the navigation mark, moving the automatic lifting hook above the buoy lifting lug of the navigation mark, remotely controlling the mobile crane to lower the automatic lifting hook, enabling the automatic lifting hook to contact the buoy lifting lug of the navigation mark, and locking the automatic lifting hook;
(6) the clamping arms are unfolded outwards, the crane withdraws the steel wire rope to lift the navigation mark, after the navigation mark is operated to lift, the position of the crane on the top annular track can be properly adjusted in the lifting process, the navigation mark is prevented from colliding with a lifting portal frame or a hull structure, when the whole navigation mark is higher than a deck surface, the lifting portal frame can be moved by a deck track moving mechanism or the lifting portal frame can be rotated by a portal frame overturning oil cylinder, the navigation mark can be smoothly and automatically lifted onto a ship, and free transfer and storage of the navigation mark on the deck surface can be realized by other engineering cranes or winches on the deck;
(7) after the lifting navigation mark is lifted, the telescopic guide rail is completely retracted by the lifting oil cylinder to drive the bracket to lift and separate from the water surface at a certain height, the bracket is rotated by the bracket overturning oil cylinder to lean against an outer plate of the ship, the steel wire rope and the automatic lifting hook are completely recovered by the crane, the steel wire rope and the automatic lifting hook are moved to a preset position to be locked, and the lifting gantry is operated by the gantry overturning oil cylinder to rotate to a preset angle to be stored without exceeding the outboard.
For the ship with larger model depth, if the bracket fork opening is folded downwards to lean against the outer plate of the ship during storage, the bracket is turned over to the level from bottom to top by the bracket turning oil cylinder during operation, so that the navigation mark can be supported to lift, and the bracket fork opening is not easy to collide with the navigation mark during capture.
When the device is arranged at the stern, the specific operation flow for capturing and recovering the navigation mark is as follows:
(1) and (4) operating the ship to move forward to be close to the navigation mark, and adjusting the stern to be opposite to the navigation mark.
(2) The telescopic guide rail extends downwards by using a lifting oil cylinder to drive the connecting cross beam to move downwards, and further drive the bracket to move downwards along with the connecting cross beam until the bracket is underwater for a certain depth;
(3) a bracket overturning oil cylinder is used for overturning the bracket from a position against the outer plate of the ship from inside to outside until the bracket is in a horizontal state;
(4) backing a car to operate the ship, and gradually approaching the stern to the direction of the navigation mark until the navigation mark is positioned above the fork opening of the bracket;
(5) the lifting oil cylinder lifts the telescopic guide rail to drive the connecting beam and the bracket to move upwards along the telescopic guide rail, and lifts the buoy of the navigation mark out of the water surface until the upper surface of the buoy of the navigation mark is close to or exceeds the deck surface, so that preparation is made for the subsequent automatic hoisting and transferring work of the navigation mark;
(6) adjusting the position of the mobile crane along an annular track at the top of the hoisting portal according to the position of the buoy lifting lug of the navigation mark, moving the automatic lifting hook above the buoy lifting lug of the navigation mark, remotely controlling the mobile crane to lower the automatic lifting hook, enabling the automatic lifting hook to contact the buoy lifting lug of the navigation mark, and locking the automatic lifting hook;
(7) the crane withdraws the steel wire rope to lift the navigation mark, after the navigation mark is operated to lift, the position of the navigation mark on the top annular track can be properly adjusted in the lifting process, the navigation mark is prevented from colliding with a lifting portal frame or a ship body structure, when the whole navigation mark is higher than a deck surface, the lifting portal frame can be moved by a deck track moving mechanism or the lifting portal frame can be rotated by a portal frame overturning oil cylinder, the navigation mark can be smoothly and automatically lifted to a ship, and the navigation mark can be freely transferred and stored on the deck surface by other engineering cranes or winches on the deck;
(8) after the lifting navigation mark is lifted, the telescopic guide rail is completely retracted by the lifting oil cylinder to drive the bracket to lift and separate from the water surface at a certain height, the bracket is rotated by the bracket overturning oil cylinder to lean against an outer plate of the ship, the steel wire rope and the automatic lifting hook are completely recovered by the crane, the steel wire rope and the automatic lifting hook are moved to a preset position to be locked, and the lifting gantry is operated by the gantry overturning oil cylinder to rotate to a preset angle to be stored without exceeding the outboard.
Claims (8)
1. A navigation mark recycling and lifting device comprises a bracket and a clamping arm, and is characterized by further comprising a lifting portal frame, a portal frame turnover mechanism and a bracket lifting turnover mechanism, wherein the lifting portal frame comprises a stand column, a base, an annular track and a traveling crane, the bottom of the stand column is hinged to the base, the annular track is arranged at the top of the stand column, the traveling crane moves along the annular track, the portal frame turnover mechanism is a portal frame turnover oil cylinder and is arranged on the base, the end of a telescopic rod is connected with the stand column to drive the stand column to rotate, the bracket lifting turnover mechanism comprises a connecting cross beam, a telescopic guide rail, a lifting oil cylinder and a bracket turnover oil cylinder, the telescopic guide rail is symmetrically arranged on a ship body, an outer sleeve of the telescopic guide rail is fixed on the ship body, the bottom of the bracket is hinged to the connecting cross beam, two ends of the connecting cross beam are connected with an inner sleeve of the telescopic guide rail, the lifting oil cylinder is fixed on the outer sleeve, the telescopic link end with the inner skleeve is connected, on the bracket upset hydro-cylinder was fixed in the connection crossbeam, the telescopic link end was connected with the bracket bottom.
2. The beacon recovery overhead hoist of claim 1, characterized in that the base is installed on the hull deck through a deck rail moving mechanism, the deck rail moving mechanism comprises a slide rail assembly and a driving mechanism, the slide rail assembly is laid on the hull deck, the base is matched with the slide rail, and the driving mechanism drives the base to move along the slide rail.
3. The beacon recycling and hoisting device as recited in claim 2, wherein the slide rail assembly is a chain transmission mechanism, the driving mechanism is a rotary motor, the rotary motor is connected with the chain transmission mechanism, and the base is fixed on a chain.
4. The beacon recycling and hoisting device as claimed in claim 2, wherein the sliding rail assembly is a gear and rack transmission mechanism, the driving mechanism is a rotary motor, the rotary motor is connected with the gear shaft, the base is connected with the gear through a bearing, and the gear moves along the rack.
5. The buoy recovery and hoisting device as claimed in claim 2, wherein the crane winds up and stores a steel wire rope, and the free end of the steel wire rope is connected with an automatic lifting hook.
6. The buoy tender recovery overhead hoist of claim 2, characterized in that, be equipped with angle stopper between bracket and the connecting beam.
7. The buoy tender of claim 6 wherein, the telescopic guide rail and the deck rail moving mechanism are provided with mechanical or electrical stoppers at the maximum stroke.
8. A method for recovering and hoisting a navigation mark is characterized by comprising the following steps:
s1) when the ship sails to the sea area near the navigation mark, the telescopic guide rail extends downwards by using the lifting oil cylinder to drive the connecting beam to move downwards, and further drive the bracket to move downwards along with the connecting beam until the ship reaches a certain depth underwater;
s2) overturning the oil cylinder by the bracket to enable the bracket to overturn from the place against the outer plate of the ship from inside to outside until the bracket is in a horizontal state;
s3), the clamping arm extends outwards, the ship is controlled to move forwards to be close to the navigation mark, the clamping arm is rotated to fold and capture the navigation mark, the navigation mark is controlled in the arm bend, and the navigation mark is pulled to be above the fork opening of the bracket;
s4), the lifting oil cylinder lifts the telescopic guide rail to drive the connecting beam and the bracket to move upwards along the telescopic guide rail, and the buoy of the navigation mark is lifted out of the water surface until the upper surface of the buoy of the navigation mark is close to or exceeds the deck surface, so that preparation is made for the subsequent automatic lifting and transferring work of the navigation mark;
s5) adjusting the position of the mobile crane along an annular track at the top of the lifting portal according to the position of the buoy lifting lug of the navigation mark, moving the automatic lifting hook above the buoy lifting lug of the navigation mark, remotely controlling the mobile crane to lower the automatic lifting hook, enabling the automatic lifting hook to contact the buoy lifting lug of the navigation mark, and locking the automatic lifting hook;
s6), the clamping arms are unfolded outwards, the crane withdraws the steel wire rope to lift the navigation mark, after the navigation mark is operated to lift, the position of the crane on the top ring rail can be properly adjusted in the lifting process, the navigation mark is prevented from colliding with a lifting portal frame or a ship body structure, when the navigation mark is integrally higher than a deck, the lifting portal frame can be moved by a deck rail moving mechanism or the lifting portal frame can be rotated by a portal frame overturning oil cylinder, so that the navigation mark can be smoothly and automatically lifted onto the ship, and free transfer and storage of the navigation mark on the deck surface can be realized by other engineering cranes or winches on the deck;
s7), after the lifting navigation mark is lifted, the telescopic guide rail is completely retracted by the lifting oil cylinder to drive the bracket to lift and separate from the water surface at a certain height, the bracket is rotated by the bracket overturning oil cylinder to lean against the outer plate of the ship, the wire rope and the automatic lifting hook are completely recovered by the crane, the crane is moved to a preset position to be locked, and the lifting gantry is operated by the gantry overturning oil cylinder to rotate to a preset angle to be stored and not to exceed the outboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210035071.XA CN114408761A (en) | 2022-01-13 | 2022-01-13 | Navigation mark recycling and hoisting device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210035071.XA CN114408761A (en) | 2022-01-13 | 2022-01-13 | Navigation mark recycling and hoisting device and method |
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| Publication Number | Publication Date |
|---|---|
| CN114408761A true CN114408761A (en) | 2022-04-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210035071.XA Pending CN114408761A (en) | 2022-01-13 | 2022-01-13 | Navigation mark recycling and hoisting device and method |
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| CN (1) | CN114408761A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117682426A (en) * | 2024-02-02 | 2024-03-12 | 江苏龙腾门业有限公司 | Sluice gate overturning device |
-
2022
- 2022-01-13 CN CN202210035071.XA patent/CN114408761A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117682426A (en) * | 2024-02-02 | 2024-03-12 | 江苏龙腾门业有限公司 | Sluice gate overturning device |
| CN117682426B (en) * | 2024-02-02 | 2024-05-07 | 江苏龙腾门业有限公司 | Sluice gate overturning device |
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