CN115476965A - Traction device for unmanned aircraft - Google Patents
Traction device for unmanned aircraft Download PDFInfo
- Publication number
- CN115476965A CN115476965A CN202211201727.7A CN202211201727A CN115476965A CN 115476965 A CN115476965 A CN 115476965A CN 202211201727 A CN202211201727 A CN 202211201727A CN 115476965 A CN115476965 A CN 115476965A
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- China
- Prior art keywords
- tower frame
- oil cylinder
- tower
- telescopic
- suspension arm
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
- B63B21/56—Towing or pushing equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
- B63B21/16—Tying-up; Shifting, towing, or pushing equipment; Anchoring using winches
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Jib Cranes (AREA)
Abstract
The invention discloses a traction device for an unmanned aircraft, which comprises a tower frame, wherein the tower frame is arranged on a mother ship through an installation base, a slewing bearing is arranged between the tower frame and the installation base, a telescopic suspension arm is arranged on the front side of the tower frame and is hinged with the tower frame, a plurality of pulleys are arranged at the top end of the telescopic suspension arm, a traction winch and a telescopic oil cylinder are arranged above the telescopic suspension arm, a traction rope on the traction winch is connected with the aircraft through the pulleys, an amplitude-variable oil cylinder is arranged between the telescopic suspension arm and the tower frame, the cylinder body of the amplitude-variable oil cylinder is hinged with the tower frame, the piston rod of the amplitude-variable oil cylinder is hinged with the telescopic suspension arm, an electric control box is arranged on the rear side of the tower frame, a multi-way valve is arranged at the top of the tower frame, and the multi-way valve is connected with the traction winch, the telescopic oil cylinder and the amplitude-variable oil cylinder through pipelines.
Description
Technical Field
The invention relates to a traction device for an unmanned aircraft.
Background
With the continuous development of ocean science and technology, unmanned aircrafts are widely applied to the fields of ocean scientific exploration, ocean resource development, national defense capability construction and the like. However, the unmanned aircraft has complex and variable working sea conditions, the recovery operation risk is extremely high, and under severe sea conditions, personnel injury and equipment damage are easily caused in the recovery process, so that a proper time window needs to be waited for recovery, and the overall working efficiency of the aircraft is reduced. Therefore, a traction device special for the unmanned aircraft needs to be designed, in the aircraft recovery process, the traction device keeps the aircraft and the mother ship parallel and drags the aircraft and the mother ship at the same speed, then the relative posture of the aircraft and the device for collecting and releasing the aircraft is adjusted, the recovery efficiency of collecting and releasing the aircraft is improved, and the overall working efficiency of the aircraft is improved. Meanwhile, the collision between the aircraft and the mother ship is prevented, and the risk of equipment damage in the operation process is reduced.
Disclosure of Invention
The invention aims to solve the defects of the prior art and provides a traction device of an unmanned aircraft.
A traction device for an unmanned aircraft comprises a tower frame, wherein the tower frame is installed on a mother ship through an installation base, a slewing bearing is arranged between the tower frame and the installation base, a telescopic suspension arm is arranged on the front side of the tower frame and is hinged to the tower frame, a plurality of pulleys are arranged at the top end of the telescopic suspension arm, a traction winch and a telescopic oil cylinder are arranged above the telescopic suspension arm, a traction rope on the traction winch is connected with the aircraft through the pulleys, an amplitude-variable oil cylinder is arranged between the telescopic suspension arm and the tower frame, a cylinder body of the amplitude-variable oil cylinder is hinged to the tower frame, a piston rod of the amplitude-variable oil cylinder is hinged to the telescopic suspension arm, an electric cabinet is arranged on the rear side of the tower frame, a multi-way valve is arranged at the top of the tower frame and is connected with the traction winch, the telescopic oil cylinder and the amplitude-variable oil cylinder through pipelines.
As a further improvement, the traction device has two rope penetrating structures, the rope can be discharged forwards or backwards, and the arrangement adjustability of the traction device and the winding and unwinding device is improved.
As a further improvement, the tower is of a box-shaped structure and is provided with installation interfaces of a slewing bearing, a telescopic boom, a variable amplitude oil cylinder, a multi-way valve, an electric cabinet and the like, and meanwhile, the functions of the hydraulic oil tank are considered, the layout is compact, the installation space is small, and the workload of on-board installation is reduced.
As a further improvement, the mounting base adopts a double-flange connection mode, the upper end flange is connected with the slewing bearing outer ring through bolts, the lower end flange is connected with the shipyard preset base through bolts, the mounting space is small, the mounting is convenient and fast, and the mounting and using requirements of a small-volume mother ship are met.
As a further improvement, the slewing bearing adopts an external gear type, the slewing bearing is arranged between the mounting base and the tower frame, the outer ring of the slewing bearing is connected with the mounting base through a bolt, and the inner ring of the slewing bearing is connected with the tower frame through a bolt.
As a further improvement, the installation position of the hydraulic slewing device is positioned at the edge of the tower, and the inner side of the tower has enough space for a hydraulic oil tank, so that the condition for integrating a hydraulic system on the body of the traction device is provided.
Has the beneficial effects that:
1. the traction device drags the aircraft to sail at the same speed as the mother ship, the length of the traction cable and the posture of the traction arm are changed, the relative postures of the aircraft and the device for collecting and releasing the aircraft can be adjusted, the success rate of aircraft recovery is improved, the overall working efficiency of the aircraft is improved, and meanwhile the aircraft is prevented from colliding with the mother ship.
2. The traction device integrates the electric control system and the hydraulic system on the body, is compact in layout, convenient to transport, small in installation space, convenient to install, convenient to mount on the ship, capable of improving the overall working efficiency of the aircraft and capable of meeting the installation and use requirements of small-volume mother ships.
3. The haulage rope both can go out the rope in the front, can go out the rope behind again, has increased the suitability that the difference arranged the demand, conveniently goes on the ship the installation.
Drawings
FIG. 1 is a front view of a draft gear;
FIG. 2 is a top view of the draft gear with the draft line in a forward out condition;
FIG. 3 is a top view of the draft gear in a rear payout state of the draft cord
1. The electric control box 2, the multi-way valve 3, the traction winch 4, the telescopic oil cylinder 5, the pulley 6, the hydraulic slewing device 7, the mounting base 8, the tower 9, the slewing bearing 10, the variable amplitude oil cylinder 11, the telescopic boom 12 and the aircraft.
Detailed Description
For the purpose of enhancing the understanding of the present invention, the present invention will be further described in detail with reference to the following examples and the accompanying drawings, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.
As shown in fig. 1 to 3, a traction device for an unmanned vehicle comprises an electric cabinet 1, a multi-way valve 2, a traction winch 3, a telescopic cylinder 4, a pulley 5, a hydraulic slewing device 6, an installation base 7, a tower 8, a slewing bearing 9, a luffing cylinder 10, a telescopic boom 11 and a vehicle 12.
The traction device is designed based on a telescopic structure, has a simple structure, a large operation range and a small installation space, and mainly comprises an installation base 7, a slewing bearing 9, a tower frame 8, a telescopic boom 11, a pulley 5, a hydraulic system and an electric control system.
The installation base 7 adopts the double flange connection type, the upper end flange is connected with the outer ring of the slewing bearing 9 through the bolt, the lower end flange is connected with the shipyard preset bolt for the base, the installation space is small, the installation is convenient and fast, and the installation and use requirements of small-volume mother ships are met.
The tower 8 is designed by adopting a box-type structure, and is internally used as a hydraulic oil tank and is provided with installation interfaces of hydraulic elements such as the multi-way valve 2 and the like except for providing installation interfaces for the slewing bearing 9, the hydraulic slewing device 6, the telescopic boom 11, the variable amplitude oil cylinder 10 and the electric cabinet 1.
The slewing bearing 9 is arranged between the installation base 7 and the tower 8, the outer ring of the slewing bearing 9 is connected with the installation base 7 through bolts, and the inner ring of the slewing bearing 9 is connected with the tower 8 through bolts. The slewing bearing 9 adopts an external gear type and is driven by the hydraulic slewing device 6, an external meshing driving mode is adopted, the installation position of the hydraulic slewing device 6 is positioned at the edge of the tower 8, and enough space is reserved on the inner side of the tower 8 to be used as a hydraulic oil tank, so that the condition for integrating a hydraulic system on the body of the traction device is provided.
The electric control system and the hydraulic system are integrated on the traction device body, so that the transportation is convenient. When the ship is mounted on the ship, the hydraulic system is not provided with a pipeline and needs to be connected, the electric control system only needs to be connected with a total power line to enter the electric control box 1, the structure only needs to be connected with the mounting base 7 through bolt butt joint and the base preset by a shipyard, and the workload of ship mounting is greatly reduced. The traction device is compact in layout and convenient to install, meets the requirement of quick installation on board, improves the overall working efficiency of the aircraft 12, and meanwhile meets the installation and use requirements of the mother ship with small volume.
Haulage rope one end winding is on traction winch 3, and the other end passes pulley 5, is fixed in telescopic boom 11 on, according to real ship overall arrangement needs, the haulage rope both can go out the rope in front, can go out the rope after again, has increased the different suitability of arranging the demand, the installation of conveniently going to the ship.
Under the drive of the hydraulic system, the traction device can be rotated out of the board for operation and can also be rotated into the board for storage. The gear of the hydraulic slewing device 6 is meshed with the external teeth of the slewing bearing 9, the outer ring of the slewing bearing 9 is fixed on the mounting base 7 through bolts and cannot move, the inner ring of the slewing bearing 9 performs slewing motion, and the inner ring of the slewing bearing 9 and the tower frame 8 are fixed together through bolts and drive the tower frame 8, the telescopic boom 11 and the like to perform slewing motion together. After the traction device is turned out of the board, the telescopic oil cylinder 4 and the amplitude-variable oil cylinder 10 are operated, under the pushing of the telescopic oil cylinder 4 and the amplitude-variable oil cylinder 10, the telescopic suspension arm 11 of the traction device can extend out for a certain length and can change amplitude downwards, meanwhile, the traction winch 3 is operated to lower the traction rope to the water surface, a plurality of floating balls are fixed on the traction rope, the floating balls can be broken up by the movement of seawater, the traction rope ring is enlarged, and the success rate of the aircraft 12 in stumbling is improved to the maximum degree. After the towing winch is successfully hooked, the towing rope loop is tightened and closed by the towing winch 3, the aircraft 12 is towed by the towing device to sail at the same speed as the mother ship, the length of the towing rope and the posture of the towing arm are changed, the relative posture of the aircraft 12 and the device for collecting and releasing the aircraft 12 can be adjusted, the success rate of recovering the aircraft 12 is improved, the overall working efficiency of the aircraft 12 is improved, and meanwhile, the aircraft 12 is prevented from colliding with the mother ship.
In order to prevent the traction device from being damaged due to overlarge wave impact, 1 lug plate is reserved in front of and behind the telescopic boom 11 respectively and used for hanging an auxiliary steel wire rope. After the relative attitude of the aircraft 12 and the device for collecting and releasing the aircraft 12 is adjusted by the traction device, the auxiliary steel wire rope which is hung on the telescopic suspension arm 11 in advance is fixed on the mother ship so as to reduce the wave impact when the aircraft 12 is dragged by the traction device. When the traction rope is a front outgoing rope, an auxiliary steel wire rope is hung on the reserved rear ear plate, and the traction device is tensioned backwards; when the traction rope is a rear rope, an auxiliary steel wire rope is hung on the reserved front ear plate, and the traction device is tensioned forwards. In addition, the hydraulic actuating elements are provided with bidirectional overload protection valves, and when the set pressure of the overload protection valves is about 1.25 times of the rated working pressure, namely the external load is greater than 1.25 times of the rated load, the hydraulic rotating device 6, the amplitude-changing oil cylinder 10, the telescopic oil cylinder 4 and the traction winch 3 can all slip, so that the traction device can not be damaged by overload.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. A traction device for an unmanned aircraft is characterized by comprising a tower frame, wherein the tower frame is installed on a mother ship through an installation base, a slewing bearing is arranged between the tower frame and the installation base, a telescopic suspension arm is arranged on the front side of the tower frame and is hinged to the tower frame, a plurality of pulleys are arranged at the top end of the telescopic suspension arm, a traction winch and a telescopic oil cylinder are arranged above the telescopic suspension arm, a traction rope on the traction winch is connected with the aircraft through the pulleys, an amplitude-variable oil cylinder is arranged between the telescopic suspension arm and the tower frame, a cylinder body of the amplitude-variable oil cylinder is hinged to the tower frame, a piston rod of the amplitude-variable oil cylinder is hinged to the telescopic suspension arm, an electric cabinet is arranged on the rear side of the tower frame, a multi-way valve is arranged at the top of the tower frame, and the multi-way valve is connected with the traction winch, the telescopic oil cylinder and the amplitude-variable oil cylinder through pipelines.
2. The towing attachment for an unmanned aerial vehicle of claim 1, wherein the towing attachment has two reeving configurations, either advancing or retracting.
3. The towing attachment for unmanned vehicles according to claim 1 wherein the tower is a box-like structure and is equipped with mounting interfaces for slewing bearings, telescopic booms, luffing cylinders, multi-way valves, electrical cabinets, etc. while taking into account the function of hydraulic tanks.
4. The towing attachment for unmanned vehicles according to claim 1 wherein the mounting base is a double flange connection, the upper end flange being bolted to the outer ring of the slewing bearing and the lower end flange being bolted to the pre-determined base of the shipyard.
5. The towing attachment for unmanned vehicles according to claim 1 wherein the slewing bearing is of the external gear type, the slewing bearing is mounted between a mounting base and a tower, the outer race of the slewing bearing is bolted to the mounting base, and the inner race of the slewing bearing is bolted to the tower.
6. The towing attachment for an unmanned aircraft according to claim 1, wherein the hydraulic gyroscope is mounted at the edge of the tower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211201727.7A CN115476965A (en) | 2022-09-29 | 2022-09-29 | Traction device for unmanned aircraft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211201727.7A CN115476965A (en) | 2022-09-29 | 2022-09-29 | Traction device for unmanned aircraft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115476965A true CN115476965A (en) | 2022-12-16 |
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ID=84393821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211201727.7A Pending CN115476965A (en) | 2022-09-29 | 2022-09-29 | Traction device for unmanned aircraft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115476965A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114872830A (en) * | 2022-06-22 | 2022-08-09 | 广西路建工程集团有限公司 | Large-span attached traction device and installation method thereof |
-
2022
- 2022-09-29 CN CN202211201727.7A patent/CN115476965A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114872830A (en) * | 2022-06-22 | 2022-08-09 | 广西路建工程集团有限公司 | Large-span attached traction device and installation method thereof |
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