CN113120205A - Lifting control system of bow auxiliary pushing device - Google Patents
Lifting control system of bow auxiliary pushing device Download PDFInfo
- Publication number
- CN113120205A CN113120205A CN202110446930.XA CN202110446930A CN113120205A CN 113120205 A CN113120205 A CN 113120205A CN 202110446930 A CN202110446930 A CN 202110446930A CN 113120205 A CN113120205 A CN 113120205A
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- Prior art keywords
- lifting
- rod
- propeller
- locking
- driving
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- 239000013535 sea water Substances 0.000 claims abstract description 60
- 108010066057 cabin-1 Proteins 0.000 description 13
- 239000003921 oil Substances 0.000 description 8
- 230000001174 ascending effect Effects 0.000 description 6
- 238000007789 sealing Methods 0.000 description 5
- 230000003028 elevating effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 238000013459 approach Methods 0.000 description 3
- 239000010720 hydraulic oil Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H5/00—Arrangements on vessels of propulsion elements directly acting on water
- B63H5/07—Arrangements on vessels of propulsion elements directly acting on water of propellers
- B63H5/125—Arrangements on vessels of propulsion elements directly acting on water of propellers movably mounted with respect to hull, e.g. adjustable in direction, e.g. podded azimuthing thrusters
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Barrages (AREA)
- Types And Forms Of Lifts (AREA)
Abstract
The invention relates to the technical field of ship equipment, and discloses a lifting control system of a bow auxiliary pushing device, which is used for controlling the lifting of a propeller and comprises the following components: a sea water tank and a lifting control device; the seawater cabin is arranged at the bottom of the ship, and an opening is formed in the bottom of the seawater cabin; the lifting control device comprises: the driving mechanism is arranged in the seawater cabin; the lifting mechanism is arranged in the seawater cabin in a sliding mode, the upper end of the lifting mechanism is connected with the power output end of the driving mechanism, the lower end of the lifting mechanism is connected with the propeller, the driving mechanism drives the lifting mechanism to lift back and forth between an upper limit position and a lower limit position, and the propeller is driven to descend until the propeller extends out of the opening or rises until the propeller is accommodated in the seawater cabin; the guide mechanism is arranged in the seawater cabin, extends from top to bottom, and one end of the lifting mechanism is connected with the guide mechanism in a sliding manner; a locking mechanism electrically connected to the drive mechanism for: when the lifting mechanism is positioned at the upper limit position, the position of the lifting mechanism in the seawater cabin is locked.
Description
Technical Field
The invention relates to the technical field of ship equipment, in particular to a lifting control system of a bow auxiliary pushing device.
Background
The ship bow auxiliary pushing device is different from a common ship side pusher, and can extend a propeller to the outside of a ship so as to carry out steering work of the ship, or retract the propeller to be stored in the ship, make the propeller stand for maintenance, and prevent the propeller from being damaged due to impact of ocean currents; the invention provides a lifting control system of a bow auxiliary pushing device, which can conveniently control a propeller to extend out of a ship or store the propeller in the ship, aiming at the working characteristics of the bow auxiliary pushing device.
Disclosure of Invention
The purpose of the invention is: a lifting control system of a bow auxiliary pushing device is provided.
In order to achieve the above object, the present invention provides a lift control system of a bow auxiliary pushing device for controlling a propeller to lift, comprising: a sea water tank and a lifting control device; the seawater cabin is arranged at the bottom of the ship, and an opening is formed in the bottom of the seawater cabin; the lift control device includes: the driving mechanism is arranged in the seawater cabin; the lifting mechanism is arranged in the seawater cabin in a sliding mode, the upper end of the lifting mechanism is connected with the power output end of the driving mechanism, the lower end of the lifting mechanism is connected with the propeller, the driving mechanism drives the lifting mechanism to lift back and forth between an upper limit position and a lower limit position, and the propeller is driven to descend until the propeller extends out of the opening or ascends until the propeller is accommodated in the seawater cabin; the guide mechanism is arranged in the seawater cabin, extends from top to bottom, and one end of the lifting mechanism is connected with the guide mechanism in a sliding manner; a locking mechanism electrically connected to the drive mechanism for: and when the lifting mechanism is positioned at the upper limit position, locking the position of the lifting mechanism in the seawater cabin.
Preferably, the guide mechanism comprises a first guide rod, and the upper end of the first guide rod is fixedly connected with the seawater cabin; the lifting mechanism comprises a lifting rod and a sliding seat, the lifting rod is parallel to the first guide rod, the upper end of the lifting rod is connected with the power output end of the driving mechanism, the lower end of the lifting rod is connected with the sliding seat, the lower end of the sliding seat is connected with the propeller, and the sliding seat is connected with the first guide rod in a sliding mode.
Preferably, the guiding mechanism further comprises a shaft sleeve, the shaft sleeve is fixed at the bottom of the seawater cabin, and the lower end of the first guide rod extends into the shaft sleeve.
Preferably, the distance between the outer peripheral wall of the lower end of the first guide rod and the inner peripheral wall of the shaft sleeve is 0.1mm-0.6 mm.
Preferably, the driving mechanism comprises a driving cylinder and a driving rod, and the power output end of the driving cylinder is connected with the lower end of the driving rod; the lifting mechanism further comprises a lifting flange, the lifting flange is connected with the upper end of the lifting rod, and the upper end of the driving rod is connected with the lateral edge of the lifting flange.
Preferably, the cylinder body of the driving cylinder is configured as the first guide rod.
Preferably, the driving mechanism further comprises an upper limit switch and a lower limit switch which are respectively used for limiting the lifting travel of the lifting flange, the upper limit switch and the lower limit switch are respectively arranged on the upper side and the lower side of the inner wall of the sea water cabin, and the upper limit switch and the lower limit switch are both electrically connected with the driving cylinder; when the lifting flange is positioned at the uppermost part in the lifting moving stroke, the lifting mechanism is positioned at the upper limit position correspondingly, and when the lifting flange is positioned at the lowermost part in the descending moving stroke, the lifting mechanism is positioned at the lower limit position.
Preferably, the locking mechanism comprises a locking oil cylinder and a locking rod, the locking oil cylinder is fixedly installed in the seawater cabin, the power output end of the locking oil cylinder is connected with the locking rod, the locking oil cylinder drives the locking rod to abut against the bottom wall of the lifting flange to realize locking of the lifting flange, and therefore locking of the position of the lifting mechanism in the seawater cabin is realized.
Preferably, the locking oil cylinder is electrically connected with the upper limit switch, and when the upper limit switch detects that the lifting flange is located at the uppermost position in the lifting movement stroke of the lifting flange, the locking oil cylinder is controlled to operate.
Preferably, the middle part of sea water cabin is equipped with the middle part shrouding of separating into upper and lower cavity with it, locking mechanism set up in the upper chamber, elevating system slides and locates in the middle part shrouding, guiding mechanism set up in the lower cavity, the opening set up in the bottom of cavity down.
The embodiment of the invention provides a lifting control system of a bow auxiliary pushing device, which has the following beneficial effects compared with the prior art:
the driving mechanism can drive the lifting mechanism to lift between the upper limit position and the lower limit position, and drive the propeller to descend until the propeller can extend out of the opening, namely the outside of the seawater cabin, so as to carry out steering work of the ship, or drive the propeller to ascend until the propeller is contained in the seawater cabin, so that the propeller stands still to be overhauled; when the lifting mechanism is located at the upper limit position, the propeller is completely accommodated in the seawater cabin, the driving mechanism detects that the lifting mechanism is located at the upper limit position, and controls the locking mechanism to lock the position of the lifting mechanism in the seawater cabin, so that the propeller is locked in the seawater cabin.
Drawings
Fig. 1 is a schematic view of an elevating mechanism in an elevating control apparatus according to an embodiment of the present invention, the elevating mechanism being located at an upper limit position;
fig. 2 is a schematic view of a lifting mechanism in a lifting control system of a bow auxiliary pushing device according to an embodiment of the present invention, the lifting mechanism being located at an upper limit position;
fig. 3 is a schematic view of the lifting mechanism in the lifting control apparatus according to the embodiment of the present invention at the lower limit position;
fig. 4 is a schematic view of a lifting mechanism in a lifting control system of a bow auxiliary pushing device according to an embodiment of the present invention, the lifting mechanism being located at a lower limit position;
FIG. 5 is an enlarged view of area A of FIG. 1;
FIG. 6 is an enlarged view of area B of FIG. 3;
FIG. 7 is a schematic view of a locking mechanism in the lift control apparatus according to an embodiment of the present invention;
FIG. 8 is a schematic view of a drive mechanism in the lift control apparatus according to an embodiment of the present invention;
fig. 9 is a schematic view of a middle seal plate in the lift control system of the bow auxiliary pushing device according to the embodiment of the present invention;
in the figure, 1, a seawater cabin; 11. an opening; 12. a middle seal plate; 121. a flange mounting hole; 122. A first mounting hole; 123. a second mounting hole; 13. an upper chamber; 14. a lower chamber; 15. an anti-collision buffer plate; 2. a lift control device; 21. a drive mechanism; 211. a drive cylinder; 212. a drive rod; 213. a hydraulic oil tank; 214. an upper limit switch; 215. a lower limit switch; 22. a lifting mechanism; 221. a lifting rod; 222. a sliding seat; 223. a lifting flange; 23. a guide mechanism; 231. a first guide bar; 232. a shaft sleeve; 233. a second guide bar; 24. a locking mechanism; 241. a locking base; 242. locking the oil cylinder; 243. a locking lever; 244. a butting rod; 3. a propeller; 31. And a bottom closing plate.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it should be understood that the terms "first", "second", etc. are used in the present invention to describe various information, but the information should not be limited to these terms, and these terms are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.
As shown in fig. 1 to 6, a lift control system of a bow auxiliary thrusting device according to a preferred embodiment of the present invention for controlling the lift of a propeller 3 includes: a sea water tank 1 and a lifting control device 2; the seawater cabin 1 is arranged at the bottom of the ship, and an opening 11 is formed in the bottom of the seawater cabin 1; the lift control device 2 includes: a drive mechanism 21 provided in the sea chest 1; the lifting mechanism 22 is arranged in the seawater cabin 1 in a sliding manner, the upper end of the lifting mechanism is connected with the power output end of the driving mechanism 21, the lower end of the lifting mechanism is connected with the propeller 3, the driving mechanism 21 drives the lifting mechanism 22 to reciprocate between an upper limit position and a lower limit position, and the propeller 3 is driven to descend until the propeller extends out of the opening 11 or ascends until the propeller is accommodated in the seawater cabin 1; the guide mechanism 23 is arranged in the seawater cabin 1, the guide mechanism 23 extends from top to bottom, and one end of the lifting mechanism 22 is connected with the guide mechanism 23 in a sliding manner; a locking mechanism 24 electrically connected to the driving mechanism 21 for: when the lifting mechanism 22 is in the upper extreme position, the position of the lifting mechanism 22 in the sea chest 1 is locked.
Based on the above technical scheme, the driving mechanism 21 can drive the lifting mechanism 22 to lift between the upper limit position and the lower limit position, and drive the propeller 3 to descend until the propeller 3 can extend out of the opening 11, namely the outside of the seawater cabin 1, so as to carry out steering work of the ship, or drive the propeller 3 to ascend until the propeller 3 is accommodated in the seawater cabin 1, so that the propeller 3 stands for maintenance; when the lifting mechanism 22 is located at the upper limit position, the propeller 3 is completely accommodated in the seawater tank 1 at the moment, the driving mechanism 21 can detect that the lifting mechanism 22 is located at the upper limit position, and control the locking mechanism 24 to lock the position of the lifting mechanism 22 in the seawater tank 1, so that the propeller 3 is locked in the seawater tank 1, and the propeller 3 can be kept standing in the seawater tank 1.
Specifically, the guiding mechanism 23 comprises a first guide rod 231, and the upper end of the first guide rod 231 is fixedly connected with the seawater cabin 1; the lifting mechanism 22 includes a lifting rod 221 and a sliding seat 222, the lifting rod 221 is parallel to the first guide rod 231, the upper end of the lifting rod 221 is connected with the power output end of the driving mechanism 21, the lower end of the lifting rod is connected with the sliding seat 222, the lower end of the sliding seat 222 is connected with the propeller 3, and the sliding seat 222 is connected with the first guide rod 231 in a sliding manner. Further, as shown in fig. 8, the driving mechanism 21 includes a driving cylinder 211 and a driving rod 212, and a power output end of the driving cylinder 211 is connected to a lower end of the driving rod 212; the lifting mechanism 22 further includes a lifting flange 223, the lifting flange 223 is connected to the upper end of the lifting rod 221, and the upper end of the driving rod 212 is connected to the side edge of the lifting flange 223, in this embodiment, the driving cylinder 211 drives the driving rod 212 to lift, so as to drive the lifting flange 223, the lifting rod 221 and the sliding seat 222 to lift together, so as to drive the propeller 3 to lift, and the sliding seat 222 can slide up and down along the first guide rod 231, so that the propeller 3 can also lift or fall along the first guide rod 231, so that the propeller 3 can slide along the axial direction of the first guide rod 231 and can smoothly enter and exit the opening 11; an anti-collision buffer plate 15 is further arranged in the seawater cabin 1 and above the opening 11, and is used for preventing the propeller 3 from colliding with the inner wall of the seawater cabin 1.
In this embodiment, the guiding mechanism 23 further includes a shaft sleeve 232, the shaft sleeve 232 is fixed at the bottom of the sea water tank 1, and the lower end of the first guide rod 231 extends into the shaft sleeve 232, in this embodiment, it is preferable that the distance between the outer peripheral wall of the lower end of the first guide rod 231 and the inner peripheral wall of the shaft sleeve 232 is 0.1mm-0.6mm, and the shaft sleeve 232 can limit the first guide rod 231 to only swing in a small range, so as to limit the sliding seat 222 to only swing in a small range, and further limit the lifting rod 221 and the propeller 3 to only swing in a small range, thereby preventing the propeller 3 from being unable to smoothly enter and exit the opening 11 due to the position deviation of the lifting rod 221 and the propeller 3 caused by bumping when the ship is sailing.
In order to reasonably utilize the space inside the sea chest 1, the present embodiment preferably configures the cylinder body of the driving cylinder 211 as the first guide rod 231; in addition, in this embodiment, a hydraulic oil tank 213 is further installed on the lifting flange 223 for supplying oil to the driving cylinder 211.
In this embodiment, the driving mechanism 21 further includes an upper limit switch 214 and a lower limit switch 215 for respectively limiting the moving stroke of the lifting flange 223, the upper limit switch 214 and the lower limit switch 215 are respectively disposed at the upper side and the lower side of the inner wall of the seawater cabin 1, both the upper limit switch 214 and the lower limit switch 215 are electrically connected to the driving cylinder 211, the driving cylinder 211 drives the lifting flange 223 to ascend, the lifting flange 223 will gradually approach the upper limit switch 214 during ascending, and when the upper limit switch 214 detects that the lifting flange 223 is about to reach the uppermost part of its ascending moving stroke, it can control the driving cylinder 211 to stop running, so that the lifting flange 223 stops at the uppermost part of its ascending moving stroke, and accordingly, the lifting mechanism 22 is located at the upper limit position, and the propeller 3 is accommodated in the seawater cabin 1; similarly, the driving cylinder 211 drives the lifting flange 223 to descend, the lifting flange 223 gradually approaches to the lower limit switch 215 in the descending process, and when the lower limit switch 215 detects that the lifting flange 223 is about to reach the lowest part in the descending moving stroke, the driving cylinder 211 can be controlled to stop running, so that the lifting flange 223 stops at the lowest part in the descending moving stroke, correspondingly, the lifting mechanism 22 is located at the lower limit position, and the propeller 3 extends out of the opening 11; in this embodiment, it is preferable that the upper limit switch 214 and the lower limit switch 215 are proximity switches, the upper limit switch 214 is aligned with the center of the upper side surface of the lifting flange 223, and the lower limit switch 215 is aligned with the center of the lower side surface of the lifting flange 223, so that the lifting flange 223 can sense that the lifting flange 223 is close to the lifting flange 223 and control the driving cylinder 211 to stop running during the lifting process.
In this embodiment, as shown in fig. 5 to 7, the locking mechanism 24 includes a locking base 241, a locking cylinder 242, and a locking rod 243, the locking base 241 and the locking cylinder 242 are both fixedly installed in the sea water tank 1, one end of the locking rod 243 is rotatably connected to the power output end of the locking cylinder 242, the other end of the locking rod 243 is rotatably connected to the locking base 241, and a butting rod 244 is installed on the locking rod 243, the locking cylinder 242 drives the locking rod 243 to rotate, so as to adjust the position of the butting rod 244, and enable the butting rod 244 to be butted against the bottom wall of the lifting flange 223, so as to lock the position of the lifting flange 223 in the sea water tank 1, and thus lock the position of the lifting mechanism 22 in the sea water tank 1.
Further, the locking cylinder 242 is electrically connected to the upper limit switch 214, and the upper limit switch 214 detects that the lifting flange 223 is about to reach the uppermost position in the lifting stroke, and controls the driving cylinder 211 to stop operating, so that the lifting flange 223 stops at the uppermost position in the lifting stroke, and controls the locking cylinder 242 to operate, so that the locking rod 243 is driven to rotate, thereby locking the lifting flange 223 at the uppermost position in the lifting stroke.
As shown in fig. 9, in the embodiment, a middle sealing plate 12 is disposed in the middle of the seawater cabin 1 to divide the seawater cabin into an upper chamber and a lower chamber, a locking mechanism 24 is disposed in the upper chamber 13, and a lifting mechanism 22 is slidably disposed in the middle sealing plate 12, specifically, the middle sealing plate 12 is connected to a lifting rod 221 through a communicating flange, a flange mounting hole 121 is disposed in the middle sealing plate 12, and the communicating flange is mounted in the flange mounting hole 121; in this embodiment, the middle sealing plate 12 is further provided with a first mounting hole 122 and a second mounting hole 123, the upper end of the first guide rod 231 is inserted into the first mounting hole 122, in addition, the guiding mechanism 23 further comprises a second guide rod 233, the second guide rod 233 is parallel to the first guide rod 231, and penetrates through the lifting flange 223, the upper end thereof is fixedly connected with the inner wall of the upper chamber 13, the lower end thereof is inserted into the second mounting hole 123, and the lifting flange 223 can slide up and down along the second guide rod 233; accordingly, the opening 11 is opened at the bottom of the lower chamber 14, and the bottom seal plate 31 is provided at the bottom of the propeller 3, so that the bottom seal plate 31 can seal the opening 11 when the propeller 3 is stored back into the sea chest 1.
The working process of the invention is as follows:
the driving cylinder 211 drives the driving rod 212 to descend to drive the lifting flange 223, the lifting rod 221, the sliding seat 222 and the propeller 3 to descend together, the lifting flange 223 is gradually close to the lower limit switch 215 when descending, the lower limit switch 215 can detect that the lifting flange 223 is about to reach the lowest part in the descending movement stroke, and control the driving cylinder 211 to stop running, so that the lifting flange 223 is stopped at the lowest part in the descending movement stroke, correspondingly, the lifting mechanism 22 is located at the lower limit position, and the propeller 3 extends out of the opening 11, so that the steering work of the ship is performed; after the steering operation is completed, the driving cylinder 211 drives the driving rod 212 to ascend, drives the lifting flange 223, the lifting rod 221, the sliding seat 222 and the propeller 3 to ascend together, the lifting flange 223 gradually approaches the upper limit switch 214 when ascending, the upper limit switch 214 can detect that the lifting flange 223 is about to reach the uppermost part in the ascending moving stroke, and controls the driving cylinder 211 to stop running, so that the lifting flange 223 stops at the uppermost part in the ascending moving stroke, correspondingly, the lifting mechanism 22 is located at the upper limit position, the propeller 3 is accommodated in the lower chamber 14, meanwhile, the upper limit switch 214 controls the locking cylinder 242 to run, the locking cylinder 242 drives the locking rod 243 to rotate, so as to adjust the position of the abutting rod 244, so that the abutting rod can abut against the bottom wall of the lifting flange 223 to lock the lifting flange 223 in the upper chamber 13, and lock the position of the lifting mechanism 22 in the sea water tank 1, locking the propeller 3 in the lower chamber 14; the lifting flange 223 and the sliding seat 222 can slide up and down along the second guide rod 233 and the first guide rod 231 respectively during the lifting process, so as to ensure that the lifting flange 223 can be lifted up and down within the lifting movement stroke and the propeller 3 can smoothly enter and exit the opening 11.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (10)
1. A lift control system of a bow auxiliary pushing device is used for controlling a propeller to lift and is characterized by comprising: a sea water tank and a lifting control device;
the seawater cabin is arranged at the bottom of the ship, and an opening is formed in the bottom of the seawater cabin;
the lift control device includes:
the driving mechanism is arranged in the seawater cabin;
the lifting mechanism is arranged in the seawater cabin in a sliding mode, the upper end of the lifting mechanism is connected with the power output end of the driving mechanism, the lower end of the lifting mechanism is connected with the propeller, the driving mechanism drives the lifting mechanism to lift back and forth between an upper limit position and a lower limit position, and the propeller is driven to descend until the propeller extends out of the opening or ascends until the propeller is accommodated in the seawater cabin;
the guide mechanism is arranged in the seawater cabin, extends from top to bottom, and one end of the lifting mechanism is connected with the guide mechanism in a sliding manner;
a locking mechanism electrically connected to the drive mechanism for: and when the lifting mechanism is positioned at the upper limit position, locking the position of the lifting mechanism in the seawater cabin.
2. The lift control system of a stem thrustor according to claim 1, wherein the guide mechanism comprises a first guide rod, an upper end of which is fixedly connected to the sea chest;
the lifting mechanism comprises a lifting rod and a sliding seat, the lifting rod is parallel to the first guide rod, the upper end of the lifting rod is connected with the power output end of the driving mechanism, the lower end of the lifting rod is connected with the sliding seat, the lower end of the sliding seat is connected with the propeller, and the sliding seat is connected with the first guide rod in a sliding mode.
3. The lift control system of a stem thrusting device according to claim 2, wherein the guide mechanism further comprises a bushing fixed to the bottom of the sea chest, and a lower end of the first guide rod extends into the bushing.
4. The lift control system of the bow thrusting device according to claim 3, wherein a distance between an outer circumferential wall of a lower end of the first guide rod and an inner circumferential wall of the boss is 0.1mm to 0.6 mm.
5. The lift control system of a stem thrustor according to claim 2, wherein the driving mechanism comprises a driving cylinder and a driving rod, a power output end of the driving cylinder being connected to a lower end of the driving rod;
the lifting mechanism further comprises a lifting flange, the lifting flange is connected with the upper end of the lifting rod, and the upper end of the driving rod is connected with the lateral edge of the lifting flange.
6. The lift control system of the bow thrustor according to claim 5, wherein a cylinder of the driving cylinder is configured as the first guide rod.
7. The lift control system of the bow auxiliary pushing device according to claim 5, wherein the driving mechanism further comprises an upper limit switch and a lower limit switch for limiting the moving stroke of the lifting flange, the upper limit switch and the lower limit switch are respectively disposed at the upper side and the lower side of the inner wall of the sea chest, and the upper limit switch and the lower limit switch are electrically connected to the driving cylinder;
when the lifting flange is positioned at the uppermost part in the lifting moving stroke, the lifting mechanism is positioned at the upper limit position correspondingly, and when the lifting flange is positioned at the lowermost part in the descending moving stroke, the lifting mechanism is positioned at the lower limit position.
8. The lift control system of the bow auxiliary pushing device according to claim 7, wherein the locking mechanism comprises a locking cylinder and a locking rod, the locking cylinder is fixedly installed in the sea tank, a power output end of the locking cylinder is connected with the locking rod, the locking cylinder drives the locking rod to abut against a bottom wall of the lifting flange, so that the lifting flange is locked, and the position of the lifting mechanism in the sea tank is locked.
9. The lift control system of a stem thrusting device according to claim 8, wherein the locking cylinder is electrically connected to the upper limit switch, and controls the locking cylinder to operate when the upper limit switch detects that the lifting flange is positioned at the uppermost position in the upward movement stroke thereof.
10. The lift control system of a bow auxiliary thrusting device according to any one of claims 1 to 9, wherein a middle plate dividing the sea chest into an upper chamber and a lower chamber is provided at a middle portion of the sea chest, the locking mechanism is provided in the upper chamber, the lifting mechanism is slidably provided in the middle plate, the guide mechanism is provided in the lower chamber, and the opening is provided at a bottom of the lower chamber.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110446930.XA CN113120205B (en) | 2021-04-23 | 2021-04-23 | Lifting control system of bow auxiliary pushing device |
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|---|---|---|---|
| CN202110446930.XA CN113120205B (en) | 2021-04-23 | 2021-04-23 | Lifting control system of bow auxiliary pushing device |
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| CN113120205A true CN113120205A (en) | 2021-07-16 |
| CN113120205B CN113120205B (en) | 2022-09-02 |
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Application publication date: 20210716 Assignee: Zhanjiang Nanhai Shipbuilding High tech Service Co.,Ltd. Assignor: CSSC HUANGPU WENCHONG SHIPBUILDING Co.,Ltd. Contract record no.: X2023980048830 Denomination of invention: The lifting control system of the bow auxiliary propulsion device Granted publication date: 20220902 License type: Common License Record date: 20231130 |
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