CN220201231U - Offshore unmanned platform boarding device with heave compensation function - Google Patents
Offshore unmanned platform boarding device with heave compensation function Download PDFInfo
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- CN220201231U CN220201231U CN202320977037.4U CN202320977037U CN220201231U CN 220201231 U CN220201231 U CN 220201231U CN 202320977037 U CN202320977037 U CN 202320977037U CN 220201231 U CN220201231 U CN 220201231U
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- supporting wall
- crane
- crane boom
- automatic cable
- cable
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- 238000004804 winding Methods 0.000 claims abstract description 33
- 238000000034 method Methods 0.000 abstract description 6
- 230000009194 climbing Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 description 8
- 230000005611 electricity Effects 0.000 description 4
- 230000005693 optoelectronics Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The utility model discloses an offshore unmanned platform boarding device with heave compensation. Comprising the following steps: the crane boom is arranged at the edge of the platform electric instrument, a sling is arranged at the free end of the crane boom, and a lifting hook is arranged at the lower end of the sling; the crane signal receiver is arranged on the crane boom and is electrically connected with the controller of the crane boom; a signal transmitter is arranged in the remote controller and is electrically connected with the crane signal receiver; the automatic cable winding and unwinding box is provided with a lifting lug at the upper end for connecting with the lifting hook, a hoisting mechanism is arranged in the automatic cable winding and unwinding box, a cable is wound on the hoisting mechanism, and a hook for connecting with a person to be logged in is arranged at the tail end of the cable; the guide pulley is arranged in the automatic cable winding and unwinding box and is positioned right below the winding mechanism and used for guiding the cable. The beneficial effects of the utility model are as follows: the automatic cable winding and unwinding box is arranged, so that heave compensation can be provided in the process of climbing.
Description
Technical Field
The utility model relates to the technical field of petrochemical industry, in particular to an offshore unmanned platform boarding device with heave compensation.
Background
The boarding mode of the ocean platform usually adopts a platform crane to hoist personnel or materials taking a lifting cage from a ship deck to the platform deck, but for an unattended platform or a simple wellhead frame type platform, the boarding mode of a hanging ladder, a straight ladder or an electric winch is usually adopted for boarding. The fixed end of the boarding mode is generally arranged on a cableway, passengers boarding in autumn and winter are dangerous, the boarding mode cannot adapt to the working condition of wave fluctuation, and the boarding mode does not have the function of preventing external personnel from climbing.
Therefore, an offshore unmanned platform boarding device with heave compensation becomes a key for solving the problem.
Disclosure of Invention
The utility model aims to provide an offshore unmanned platform boarding device with heave compensation, which can realize the boarding of an unmanned platform by controlling a crane boom through a remote controller.
It is still another object of the present utility model to provide an offshore unmanned platform boarding device with heave compensation, which is provided with an automatic cable winding and unwinding box, and can provide heave compensation during the boarding process.
In order to achieve the above purpose, the present utility model adopts the following technical scheme that:
the crane boom is arranged at the edge of the platform electric instrument, a sling is arranged at the free end of the crane boom, and a lifting hook is arranged at the lower end of the sling;
the crane signal receiver is arranged on the crane boom and is electrically connected with the controller of the crane boom, and is used for receiving the control signal and transmitting the control signal to the crane controller;
the remote controller is internally provided with a signal transmitter and is electrically connected with the crane signal receiver and is used for transmitting a control signal under the control of a person to be logged in;
the automatic cable winding and unwinding box is provided with a lifting lug at the upper end for connecting with the lifting hook, a hoisting mechanism is arranged in the automatic cable winding and unwinding box, a cable is wound on the hoisting mechanism, and a hook for connecting with a person to be logged in is arranged at the tail end of the cable;
the guide pulley is arranged in the automatic cable winding and unwinding box and is positioned right below the winding mechanism and used for guiding the cable;
the lower end of the lifting hook is provided with a laser range finder for detecting a propagation state, and the laser range finder is electrically connected with a controller of the crane boom; the automatic cable winding and unwinding box is internally provided with a photoelectric wiring switch for detecting the rotation number of the guide pulley, and the photoelectric wiring switch is electrically connected with a controller of the crane boom.
Preferably, the automatic cable-rewinding cassette includes:
the box body consists of a left supporting wall, a right supporting wall and an upper wall arranged at the upper ends of the left supporting wall and the right supporting wall;
the hoisting mechanism is rotatably erected between the left side supporting wall and the right side supporting wall through a first pulley shaft and a second pulley shaft on two sides respectively;
a scroll spring provided outside the left support wall and having one end connected to the first pulley shaft;
and the electromagnetic brake is arranged on the outer side of the right side supporting wall and is used for locking the second pulley shaft so as to stop the rotation of the hoisting mechanism.
Preferably, the method further comprises:
and the bearings are respectively arranged on the left supporting wall and the right supporting wall and are used for rotatably supporting the first pulley shaft and the second pulley shaft.
The beneficial effects of the utility model are as follows: the crane boom is controlled by the remote controller, so that the unmanned platform can climb on; the automatic cable winding and unwinding box is arranged, so that heave compensation can be provided in the process of climbing.
Drawings
FIG. 1 is a schematic illustration of an inventive offshore unmanned platform boarding device with heave compensation.
Fig. 2 is a front view of the automatic cable box of the utility model.
Fig. 3 is a perspective view of the automatic cable box of the present utility model.
Fig. 4 is a perspective view of the automatic cable box of the present utility model.
Detailed Description
The utility model is described in further detail below with reference to the drawings to enable those skilled in the art to practice the same and to refer to the description.
It will be understood that terms, such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or other elements or groups thereof.
As shown in fig. 1-4, in order to achieve the above object, the present utility model adopts the following technical solutions, including:
a crane boom 110 provided at the edge of the platform electricity meter 2, a sling 112 provided at the free end of the crane boom 110, and a hook 113 provided at the lower end of the sling;
a crane signal receiver 111 provided on the crane boom 110 and electrically connected to the controller of the crane boom 110, for receiving the control signal and transmitting the control signal to the crane controller;
the remote controller 120 is provided with a signal transmitter therein and is electrically connected with the crane signal receiver, and is used for transmitting a control signal under the control of a person to be logged in;
the automatic cable winding and unwinding box 130 is provided with a lifting lug 138 at the upper end for connecting with the lifting hook, a winding mechanism 132 is arranged in the automatic cable winding and unwinding box, a cable 135 is wound on the winding mechanism, and a hook for connecting with a person to be logged in is arranged at the tail end of the cable. Preferably, the automatic cable-rewinding cassette 130 includes: the case 131 is composed of a left supporting wall 131a, a right supporting wall 131b, and an upper wall 131c provided at upper ends of the left supporting wall 131a and the right supporting wall 131 b; the hoisting mechanism 132 is rotatably arranged between the left side supporting wall and the right side supporting wall through a first pulley shaft 132a and a second pulley shaft 132b at two sides respectively; the volute spring 133 is arranged on the outer side of the left side supporting wall, and one end of the volute spring is connected with the first pulley shaft; an electromagnetic brake 134 is disposed on the outer side of the right supporting wall, and is used for locking the second pulley shaft, so as to stop the rotation of the hoisting mechanism. As a further preference, it further comprises: a pair of bearings 137 are provided at the left and right supporting walls 131a and 131b, respectively, for rotatably supporting the first and second pulley shafts 132a and 132b. The automatic cable winding and unwinding box is provided with a lifting lug at the upper end for connecting with the lifting hook, a hoisting mechanism is arranged in the automatic cable winding and unwinding box, a cable is wound on the hoisting mechanism, and a hook for connecting with a person to be logged in is arranged at the tail end of the cable; a guide pulley 136 disposed in the automatic winding and unwinding cable box 130 and directly below the winding mechanism 132 for guiding the cable 135.
A laser range finder 140 for detecting a propagation state is arranged at the lower end of the lifting hook, and the laser range finder 140 is electrically connected with a controller of the crane boom 110; an optoelectronic connection switch 150 for detecting the rotation number of the guide pulley 136 is arranged in the automatic cable winding and unwinding box 130, and the optoelectronic connection switch 150 is electrically connected with a controller of the crane boom 110.
When a person is on the platform, the person is on the platform and uses the wireless remote controller 120 of the crane to send a lifting hook 113 lowering instruction, the crane boom 110 rotates to extend out of the platform electric instrument 2, and the lifting hook 113 is stably lowered at a constant speed. Controlled by a worker using remote control 120. The personnel on the maintenance vessel 3 hang the automatic cable box 130 on the hook 113, start the wave compensation mode, the electromagnetic brake 134 is released, so that the automatic cable winding and unwinding box 130 can discharge the cable 135, and a person in charge can hook the hook to the safety belt; the cable 135 is tightened by the automatic cable-winding and unwinding box 130, and the constant-tension synchronous heaving state is achieved through winding and unwinding of the cable 135; the crane controller records the number of turns of the winding mechanism 131 through the photoelectric connection switch 150 of the automatic cable winding and unwinding box 130, determines the motion state of the operation and maintenance ship 3 through the length of the rope, and the crane boom 110 selects a working gear according to the state of the operation and maintenance ship 3. When the person is located at the peak (high point) of the heave motion period, the electromagnetic brake 134 is locked, and simultaneously the remote controller 120 is used for sending out a command of lifting the lifting hook 113, so that the crane boom 110 finishes lifting. After the lifting hook 113 is lifted to the top end, the crane boom 110 is rotated into the platform electricity meter 2, the lifting hook 113 is lowered again, and the person on the hand is placed on the deck of the platform electricity meter 2. The person who is on the face takes off the lifting hook 113 on the body to finish the face.
When the platform is evacuated, a person in the arming is hung on the safety belt by the hook on the automatic cable winding and unwinding box 130, a remote controller 120 is used for sending out a release instruction, the crane boom 110 is rotated to extend out of the platform electricity meter 2, the laser range finder 140 below the lifting hook 113 is used for monitoring the dynamic state of the operation and maintenance ship 3, the monitored data can be transmitted to the controller of the crane boom 110, the crane boom 110 is used for selecting a crane working gear according to the state of the operation and maintenance ship 3, and a worker is used for sending out a lower instruction by the remote controller 120. When the hook 113 arrives above the deck of the operation and maintenance vessel 3, the wave compensation mode is activated: the electromagnetic brake 134 is released, and the cable 135 is spit out by the automatic cable-retracting box 130 for a certain length, so that the legs of a person in contact with the deck of the operation and maintenance ship 3 when the person in contact with the wave crest can extend; the automatic cable box 130 keeps the distance between the boarding person and the deck of the operation and maintenance vessel 3 constant by the retraction of the cable 135. The boarding person stands on the upper deck to complete the work of the evacuation platform. The crane boom 110 lowers the hook 113 to a safe height and the automatic cable box 130 is removed by the worker. After the worker presses the reset key, the lifting hook 113 is lifted to the top end, and the crane boom 110 is rotated into the platform electric instrument 2, so that the work is completed.
In another embodiment, the automatic cable-rewinding cassette 130 includes: the case 131 is composed of a left supporting wall 131a, a right supporting wall 131b, and an upper wall 131c provided at upper ends of the left supporting wall 131a and the right supporting wall 131 b; the hoisting mechanism 132 is rotatably arranged between the left side supporting wall and the right side supporting wall through a first pulley shaft 132a and a second pulley shaft 132b at two sides respectively; the volute spring 133 is arranged on the outer side of the left side supporting wall, and one end of the volute spring is connected with the first pulley shaft; an electromagnetic brake 134 is disposed on the outer side of the right supporting wall, and is used for locking the second pulley shaft, so as to stop the rotation of the hoisting mechanism.
In another embodiment, the method further comprises: a pair of bearings 137 are provided at the left and right supporting walls 131a and 131b, respectively, for rotatably supporting the first and second pulley shafts 132a and 132b.
In summary, according to the offshore unmanned platform boarding device with heave compensation, the crane boom is controlled through the remote controller, so that the unmanned platform boarding can be realized; the automatic cable winding and unwinding box is arranged, so that heave compensation can be provided in the process of climbing.
Although embodiments of the present utility model have been disclosed above, it is not limited to the details and embodiments shown and described, it is well suited to various fields of use for which the utility model would be readily apparent to those skilled in the art, and accordingly, the utility model is not limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.
Claims (3)
1. An offshore unmanned platform boarding device with heave compensation, which is characterized in that:
the crane boom is arranged at the edge of the platform electric instrument, a sling is arranged at the free end of the crane boom, and a lifting hook is arranged at the lower end of the sling;
the crane signal receiver is arranged on the crane boom and is electrically connected with the controller of the crane boom, and is used for receiving the control signal and transmitting the control signal to the crane controller;
the remote controller is internally provided with a signal transmitter and is electrically connected with the crane signal receiver and is used for transmitting a control signal under the control of a person to be logged in;
the automatic cable winding and unwinding box is provided with a lifting lug at the upper end for connecting with the lifting hook, a hoisting mechanism is arranged in the automatic cable winding and unwinding box, a cable is wound on the hoisting mechanism, and a hook for connecting with a person to be logged in is arranged at the tail end of the cable;
the guide pulley is arranged in the automatic cable winding and unwinding box and is positioned right below the winding mechanism and used for guiding the cable;
the lower end of the lifting hook is provided with a laser range finder for detecting a propagation state, and the laser range finder is electrically connected with a controller of the crane boom; the automatic cable winding and unwinding box is internally provided with a photoelectric wiring switch for detecting the rotation number of the guide pulley, and the photoelectric wiring switch is electrically connected with a controller of the crane boom.
2. The offshore unmanned platform boarding device with heave compensation of claim 1, wherein the automatic cable housing comprises:
the box body consists of a left supporting wall, a right supporting wall and an upper wall arranged at the upper ends of the left supporting wall and the right supporting wall;
the hoisting mechanism is rotatably erected between the left side supporting wall and the right side supporting wall through a first pulley shaft and a second pulley shaft on two sides respectively;
a scroll spring provided outside the left support wall and having one end connected to the first pulley shaft;
and the electromagnetic brake is arranged on the outer side of the right side supporting wall and is used for locking the second pulley shaft so as to stop the rotation of the hoisting mechanism.
3. The heave compensated offshore unmanned platform facing apparatus according to claim 2, further comprising:
and the bearings are respectively arranged on the left supporting wall and the right supporting wall and are used for rotatably supporting the first pulley shaft and the second pulley shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320977037.4U CN220201231U (en) | 2023-04-26 | 2023-04-26 | Offshore unmanned platform boarding device with heave compensation function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320977037.4U CN220201231U (en) | 2023-04-26 | 2023-04-26 | Offshore unmanned platform boarding device with heave compensation function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220201231U true CN220201231U (en) | 2023-12-19 |
Family
ID=89150354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320977037.4U Active CN220201231U (en) | 2023-04-26 | 2023-04-26 | Offshore unmanned platform boarding device with heave compensation function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220201231U (en) |
-
2023
- 2023-04-26 CN CN202320977037.4U patent/CN220201231U/en active Active
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