CN214383913U - Self-elevating platform ship lifting locking control device - Google Patents

Self-elevating platform ship lifting locking control device Download PDF

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Publication number
CN214383913U
CN214383913U CN202023332067.5U CN202023332067U CN214383913U CN 214383913 U CN214383913 U CN 214383913U CN 202023332067 U CN202023332067 U CN 202023332067U CN 214383913 U CN214383913 U CN 214383913U
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China
Prior art keywords
lifting
shaped block
tooth
locking
platform
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CN202023332067.5U
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Chinese (zh)
Inventor
付院平
李家林
王明亮
高大伟
邹春晓
宋兆鹏
鲍占礼
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CCCC First Harbor Engineering Co Ltd
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CCCC First Harbor Engineering Co Ltd
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Abstract

The utility model discloses a from lift platform ship lifting locking control device relates to ocean boats and ships art field. The lifting system comprises a parallel reduction gearbox connected at the junction of a platform pile leg and the lifting platform, a gear of the parallel reduction gearbox is meshed with a rack outside the pile leg to drive the pile leg to move up and down, the other side of the parallel reduction gearbox is connected with a brake, and the other side of the brake is connected with a variable frequency motor for providing driving force; the locking system comprises an upper tooth-shaped block and a lower tooth-shaped block which are arranged between the lifting system and the main deck and are symmetrical by taking a pile leg as a center, a tight locking tooth-shaped block is connected between the upper tooth-shaped block and the lower tooth-shaped block, a tooth-shaped structure for clamping a gear is arranged on the side surface of the tight locking tooth-shaped block, and the upper tooth-shaped block and the lower tooth-shaped block are respectively connected with a worm gear transmission device. The adaptability, the safety and the stability of the platform ship can be effectively improved.

Description

Self-elevating platform ship lifting locking control device
Technical Field
The utility model relates to a marine vessel art field, concretely relates to from lift platform ship lifting locking control device.
Background
1955-until now, in all offshore mobile platforms, the self-elevating platform accidents account for 75% of all platform accidents, and analysis shows that more than 50% of the accidents occur in towing and lifting processes, so that the research on the self-elevating platform lifting locking control device is very important. The lifting locking device is the most core equipment of the self-elevating platform ship and mainly comprises a lifting execution mechanism, a locking execution mechanism, an electric control cabinet, a control console and the like. The main functions are that after the platform ship is in place, the platform ship is lifted to a certain air gap by the lifting execution mechanism, then the ship body is locked by the locking execution mechanism to prepare for offshore construction operation, after the operation is finished, the platform ship is lowered into the water, and the pile legs are pulled out to enable the platform ship to recover the floating state and be towed to the next target ship position. The lifting locking control device of the traditional self-elevating platform ship is lack of adaptability, low in work efficiency, high in failure rate and poor in stability.
SUMMERY OF THE UTILITY MODEL
The utility model is directed to the aforesaid lack adaptability, work efficiency lower, have the technical problem of fault rate height and poor stability, provide a lift platform ship lifting locking control device from rising, can effectively improve adaptability, security and stability.
In order to solve the technical problem, the utility model provides a self-elevating platform ship lifting locking control device, including the lifting system who is used for the lifting platform ship and the locking system who is used for locking the platform ship, the lifting system includes the parallel reduction box of connection in platform spud leg and lifting platform juncture, the gear of parallel reduction box and the rack toothing in the spud leg outside are used for driving the spud leg up-and-down motion, the other side of parallel reduction box is connected the stopper, the other side of stopper is connected the inverter motor who provides drive power;
the locking system comprises an upper tooth-shaped block and a lower tooth-shaped block which are arranged between the lifting system and the main deck and are symmetrical by taking a pile leg as a center, a tight locking tooth-shaped block is connected between the upper tooth-shaped block and the lower tooth-shaped block, a tooth-shaped structure for clamping a gear is arranged on the side surface of the tight locking tooth-shaped block, and the upper tooth-shaped block and the lower tooth-shaped block are respectively connected with a worm gear transmission device.
And as optimization, a planetary reduction gearbox is arranged between the parallel reduction gearbox and the junction of the platform pile leg and the lifting platform.
Preferably, the side surface of the locking tooth-shaped block is connected with an oil cylinder.
As optimization, the device also comprises a control system for controlling the lifting system and the locking system, wherein the control system comprises a lifting control cabinet, a driver and a PLC (programmable logic controller), and the lifting control cabinet, the driver and the PLC are connected through a network.
As optimization, the network adopts a dual-ring network topology.
The utility model discloses compare in prior art and obtained following technological effect:
the utility model relates to a lifting locking control device of a self-elevating platform ship.A lifting system drives pile legs to move up and down in a gear and rack mode, so that the platform is lifted or descended; the locking system clamps the pile leg by arranging the locking tooth-shaped block, and the locking tooth-shaped block is driven to move up and down by the upper tooth-shaped block and the lower tooth-shaped block to adapt to clamping at different positions; the control system enables the operation to be accurate and stable by arranging the lifting control cabinet, the driver and the PLC.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
FIG. 1 is a front view of the overall structure of the present invention;
FIG. 2 is a view of the structure A-A of the present invention;
FIG. 3 is an enlarged schematic view of the structure of the present invention B;
FIG. 4 is a schematic structural diagram of the control system of the present invention;
wherein 1-a lift system; 101-parallel reduction box; 102-a brake; 103-variable frequency motor; 104-a planetary reduction gearbox; 2-a locking system; 201-upper tooth blocks; 202-lower tooth-shaped block; 203-locking the toothed block; 204-worm gear worm transmission; 205-oil cylinder; 3-a control system; 301-lifting control cabinet; 302-a driver; 303-a PLC controller; 4-pile legs; 5-rack.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a from lift platform ship lifting locking control device can effectively improve adaptability, security and stability.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
As shown in fig. 1-4, the utility model provides a self-elevating platform ship lifting locking control device, which comprises a lifting system 1 for lifting the platform ship and a locking system 2 for locking the platform ship, wherein after the platform ship is in place, the platform ship is lifted to have a certain gap with the horizontal plane through the lifting system 1, and then is locked and fixed through the locking system 2 for operation; the lifting system 1 comprises a parallel reduction gearbox 101 connected to the junction of a platform pile leg 4 and a lifting platform, a gear of the parallel reduction gearbox 101 is meshed with a rack 5 on the outer side of the pile leg 4 to drive the pile leg 4 to move up and down, the other side of the parallel reduction gearbox 101 is connected with a brake 102, and the other side of the brake 102 is connected with a variable frequency motor 103 for providing driving force; the pile leg 4 moves up and down by the driving of the gear 5 and the rack, and the pile leg 4 moves more stably by the parallel reduction box 101 and the brake 102.
The locking system 2 comprises an upper tooth-shaped block 201 and a lower tooth-shaped block 202 which are arranged between the lifting system 1 and a main deck and are symmetrical by taking a pile leg 4 as a center, a tight locking tooth-shaped block 203 is connected between the upper tooth-shaped block 201 and the lower tooth-shaped block 202, a tooth-shaped structure clamped by gears is arranged on the side surface of the tight locking tooth-shaped block 203, the clamping force of the locking system 2 can be increased through tooth-tooth meshing, the upper tooth-shaped block 201 and the lower tooth-shaped block 202 are respectively connected with a worm gear transmission device 204, the worm gear transmission device 204 provides power for the upper tooth-shaped block 201 and the lower tooth-shaped block 202, and the tight locking tooth-shaped block 203 can be meshed or separated at any position of the pile leg by moving the upper tooth-shaped block 201 and the lower tooth-shaped block 202.
Specifically, in the embodiment of the present disclosure, in order to further improve the stability, a planetary reduction gearbox 104 is further disposed between the parallel reduction gearbox 101 and the junction between the platform leg 4 and the lifting platform.
Specifically, in the embodiment of the present disclosure, in order to further increase the clamping force, the side surface of the locking rack block 203 is connected to the oil cylinder 205.
Specifically, in the embodiment of the present disclosure, in order to make the operation of the lifting system 1 and the locking system 2 more stable, the lifting system further includes a control system 3 for controlling the lifting system 1 and the locking system 2, where the control system 3 includes a lifting control cabinet 301, a driver 302, and a PLC controller 303, and the lifting control cabinet 301, the driver 302, and the PLC controller 303 are connected through a network; the control lifting cabinet 301 indicates the PLC 303, and the PLC 303 controls the variable frequency motor 103 and the worm gear 201, so that the variable frequency motor 103 and the worm gear 201 can ascend or descend more stably.
Specifically, in the embodiment of the present disclosure, in order to ensure the stability of the network, the network adopts a dual-ring network topology.
The utility model discloses a concrete example is applied to explain the principle and the implementation mode of the utility model, and the explanation of the above example is only used to help understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.

Claims (5)

1. A lifting locking control device of a self-elevating platform ship comprises a lifting system (1) for lifting the platform ship and a locking system (2) for locking the platform ship; the method is characterized in that:
the lifting system (1) comprises a parallel reduction gearbox (101) connected to the junction of a platform pile leg (4) and a lifting platform, a gear of the parallel reduction gearbox (101) is meshed with a rack (5) on the outer side of the pile leg (4) to drive the pile leg (4) to move up and down, the other side of the parallel reduction gearbox (101) is connected with a brake (102), and the other side of the brake (102) is connected with a variable frequency motor (103) for providing driving force;
the locking system (2) comprises an upper tooth-shaped block (201) and a lower tooth-shaped block (202) which are arranged between the lifting system (1) and the main deck and symmetrically arranged by taking the spud leg (4) as a center, wherein a tight locking tooth-shaped block (203) is connected between the upper tooth-shaped block (201) and the lower tooth-shaped block (202), a tooth-shaped structure for clamping a gear is arranged on the side surface of the tight locking tooth-shaped block (203), and the upper tooth-shaped block (201) and the lower tooth-shaped block (202) are respectively connected with a worm gear transmission device (204).
2. The lifting locking control device of the self-elevating platform vessel according to claim 1, characterized in that a planetary reduction gearbox (104) is further arranged between the parallel reduction gearbox (101) and the junction of the platform leg (4) and the lifting platform.
3. The vessel lifting lock control device of claim 1, wherein the locking tooth block (203) is connected to a cylinder (205) at its side.
4. The lifting locking control device of the self-elevating platform ship according to claim 1, further comprising a control system (3) for adjusting the lifting system and the locking system, wherein the control system (3) comprises a lifting control cabinet (301), a driver (302) and a PLC (303), and the lifting control cabinet (301), the driver (302) and the PLC (303) are connected through a network.
5. The vessel lifting and locking control device of claim 4, wherein the network is in a dual ring network topology.
CN202023332067.5U 2020-12-30 2020-12-30 Self-elevating platform ship lifting locking control device Active CN214383913U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202023332067.5U CN214383913U (en) 2020-12-30 2020-12-30 Self-elevating platform ship lifting locking control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202023332067.5U CN214383913U (en) 2020-12-30 2020-12-30 Self-elevating platform ship lifting locking control device

Publications (1)

Publication Number Publication Date
CN214383913U true CN214383913U (en) 2021-10-12

Family

ID=77990967

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202023332067.5U Active CN214383913U (en) 2020-12-30 2020-12-30 Self-elevating platform ship lifting locking control device

Country Status (1)

Country Link
CN (1) CN214383913U (en)

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