CN112173142A - Helicopter cable-proof device - Google Patents
Helicopter cable-proof device Download PDFInfo
- Publication number
- CN112173142A CN112173142A CN202011020420.8A CN202011020420A CN112173142A CN 112173142 A CN112173142 A CN 112173142A CN 202011020420 A CN202011020420 A CN 202011020420A CN 112173142 A CN112173142 A CN 112173142A
- Authority
- CN
- China
- Prior art keywords
- helicopter
- side end
- cable
- end plates
- ball
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D45/00—Aircraft indicators or protectors not otherwise provided for
Abstract
The invention belongs to the technical field of structural design of helicopters, and discloses a cable-preventing device of a helicopter, which comprises: the device comprises a plurality of ball bearings, a plurality of fixed shafts, two side end plates and a triangular fixed mounting frame; the triangular fixed mounting rack is arranged on the helicopter front body; each ball bearing is fixed on the inner sides of the two side end plates through corresponding fixed shafts; and one ends of the two side end plates are respectively fixed on the triangular fixed mounting frame. When the helicopter touches the high-voltage cable, the cable avoidance device firstly touches the high-voltage cable, a plurality of ball bearings are arranged on the device, the bearings are smooth and roll freely, and the high-voltage cable can slide quickly along the upper part or the lower part of the device because the helicopter and the high-voltage cable have relative speeds, so that the helicopter is separated from the helicopter and is prevented from being wound.
Description
Technical Field
The invention belongs to the technical field of structural design of helicopters, and particularly relates to a cable-preventing device of a helicopter.
Background
The helicopter is when the low-altitude flight, under the bad good environmental conditions in field of vision such as night sky or rain fog, and the flight personnel in time observe external environment condition, can touch the high-voltage cable of ground installation occasionally, when the helicopter touched the high-voltage cable, because modern helicopter was electrically conductive overlap joint processing, the high-tension electricity can not lead to the fact the injury to the air personnel, but the high-voltage cable can twine the helicopter, lead to the helicopter flight control to cause the influence, can cause the helicopter to lose control seriously, lead to the emergence of helicopter accident. At present, many helicopter overtaking collision accidents of high-voltage wires caused by helicopter overtaking crash accidents occur at home and abroad.
At present, the cable device is prevented to domestic helicopter mainly is for installing a plurality of cable cutters on the helicopter, generally installs on cockpit ceiling and undercarriage buffering pillar, and the cable cutter installs into the scissors pattern, when the helicopter scraped the high-voltage cable, just when rationally blocking the edge of a knife position to the cable cutter, the helicopter was cut the high-voltage cable by force according to the inertia that flies before, thereby made the helicopter not twined by the high-voltage cable, can avoid the high-voltage cable, had avoided the emergence of incident.
The cable cutter installed on the existing helicopter cuts the high-voltage cable forcibly through the flight inertia performance of the helicopter, and the device actually has the following problems:
when the helicopter flies actually, the helicopter touches the high-voltage cable, because the installation position of the cable cutter is fixed, the high-voltage cable can not be just clamped to the knife edge of the cable cutter, and if the high-voltage cable is clamped to other parts of the helicopter, the cable cutter can not play a role.
And the current high-voltage cable is thick (the diameter is about 50mm-160mm), even if the cable cutter blocks the high-voltage cable to the knife edge position, the high-voltage cable is difficult to cut off in a short time when the helicopter flies ahead, and the effect of immediately cutting off the high-voltage cable cannot be achieved.
The number of high-voltage wires installed on an outdoor high-voltage wire tower is generally 3-6, the number of the high-voltage wires is large, the number of cable cutters capable of being installed on a helicopter is limited, and the existing helicopter is generally provided with 3 high-voltage wires (the upper part is 1, and the left part and the right part are 1 respectively) and cannot meet the requirement of simultaneously cutting off the large number of high-voltage cables.
The cable cutter is through cutting off the high-voltage cable and exchanging the flight safety of helicopter, can cause the outage phenomenon to the electric wire netting system, falls on the ground after the high-voltage cable cuts off, causes secondary damage easily, causes certain safety threat to ground building and past personnel to the repair work in the future that has increased electric power workman has caused certain economic loss.
Disclosure of Invention
The purpose of the invention is as follows: the utility model provides a helicopter prevents cable device, increases a cable and dodges the device in helicopter anterior position, and its principle is when the helicopter touches high-pressure cable, prevents that cable dodges the device and at first can touch high-pressure cable, installs a plurality of ball bearing on the device, and the bearing is smooth, and the roll-over is free, because helicopter and high-pressure cable have relative velocity, high-pressure cable can slide along the device top or below is quick to break away from the helicopter, has avoided the helicopter to be twined.
The technical scheme of the invention is as follows:
a helicopter anti-cabling apparatus, said apparatus comprising: the device comprises a plurality of ball bearings 1, a plurality of fixed shafts 3, two side end plates 2 and a triangular fixed mounting frame 4;
the triangular fixed mounting rack 4 is arranged on a body in front of the helicopter;
each ball bearing 1 is fixed on the inner sides of the two side end plates 2 through corresponding fixed shafts 3;
and one ends of the two side end plates 2 are respectively fixed on the triangular fixed mounting frame 4.
The technical scheme of the invention has the characteristics and further improvements that:
(1) the ball bearing 1 is a ball bearing, a ball bearing or a cylindrical bearing.
(2) And rounding the windward side of the side end plate, and spraying an antioxidant and a paint layer on the surface of the side end plate.
(3) And spraying an antioxidant and a paint layer on the surface of the ball bearing 1 to smooth the surface.
(4) And uniform lubricating grease is coated between every two ball bearings, so that the friction resistance of the ball bearings is reduced.
(5) A surrounding type ball is provided between the ball bearing 1 and the fixed shaft, grease is applied to the inside of the ball, and a grease film is formed between the surfaces of the ball.
(6) The two side end plates 2 are of a foldable or rotatable structure.
(7) After the two side end plates 2 are unfolded, the bottom of each side end plate is flush with the bottom of the undercarriage, and the top of each side end plate is flush with the center of the hub.
(8) The diameters of the ball bearings are different, and the ball bearings are arranged on the inner sides of the two side end plates according to the shape that the middle is large and the two sides are small.
The invention has the beneficial effects that:
the invention relates to a cable avoiding device which is additionally arranged at the front part of a helicopter, and the principle of the cable avoiding device is that when the helicopter touches a high-voltage cable, the cable avoiding device firstly touches the high-voltage cable, a plurality of ball bearings are arranged on the device, the bearings are smooth and roll freely, and the high-voltage cable can slide quickly along the upper part or the lower part of the device due to the relative speed of the helicopter and the high-voltage cable, so that the helicopter is separated from the helicopter, and the helicopter is prevented from being wound. And the normal cruising speed of the helicopter is about 100km/h-200km/h, the high-voltage cable is thermal expansion and cold prevention and convenient to maintain, the normal state is arc-shaped, and the high-voltage cable has longer stretching allowance, so that the helicopter has more time for the helicopter to touch the high-voltage cable and separate the high-voltage cable from the helicopter better and more safely.
Drawings
FIG. 1 is an isometric view of a ball bearing type anti-cabling apparatus provided in accordance with an embodiment of the present invention;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a cross-sectional view of FIG. 1;
FIG. 4 is an isometric view of a ball bearing type anti-cabling apparatus provided in accordance with an embodiment of the present invention;
FIG. 5 is a front view of FIG. 4;
fig. 6 is a cross-sectional view of fig. 4.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
An embodiment of the present invention provides a helicopter cable-prevention device, as shown in fig. 1, the device includes: the device comprises a plurality of ball bearings 1, a plurality of fixed shafts 3, two side end plates 2 and a triangle fixed mounting frame 4.
For ease of understanding, fig. 2 and 3 are given, with fig. 2 being a front view of fig. 1; fig. 3 is a cross-sectional view of fig. 1.
The triangular fixed mounting rack 4 is arranged on a body in front of the helicopter;
each ball bearing 1 is fixed on the inner sides of the two side end plates 2 through corresponding fixed shafts 3;
and one ends of the two side end plates 2 are respectively fixed on the triangular fixed mounting frame 4.
Further:
(1) the ball bearing 1 is a ball bearing, a ball bearing or a cylindrical bearing.
(2) And rounding the windward side of the side end plate, and spraying an antioxidant and a paint layer on the surface of the side end plate.
(3) And spraying an antioxidant and a paint layer on the surface of the ball bearing 1 to smooth the surface.
(4) And uniform lubricating grease is coated between every two ball bearings, so that the friction resistance of the ball bearings is reduced.
(5) A surrounding type ball is provided between the ball bearing 1 and the fixed shaft, grease is applied to the inside of the ball, and a grease film is formed between the surfaces of the ball.
(6) The two side end plates 2 are of a foldable or rotatable structure.
(7) After the two side end plates 2 are unfolded, the bottom of each side end plate is flush with the bottom of the undercarriage, and the top of each side end plate is flush with the center of the hub.
(8) The diameters of the ball bearings are different, and the ball bearings are arranged on the inner sides of the two side end plates according to the shape that the middle is large and the two sides are small.
The invention is generally arranged at the foremost end of a helicopter body (5), and the side end plate (2) and the body structure can be fixedly connected by bolts, rivets or hinges through a triangular fixed mounting frame (4), and the fixing forms are various. Rounding the front parts of the side end plates, spraying an antioxidant and a paint layer on the surfaces of the side end plates to enable the surfaces of the side end plates to be smooth, installing a fixed shaft (3) between the side end plates on two sides, installing a ball bearing (1) on the outer ring of the fixed shaft, enabling the surfaces of the roller bearing to be smooth by spraying the antioxidant and the paint layer on the surfaces of the roller bearing, and smearing uniform lubricating grease between every two cylinders to reduce the friction resistance; surrounding spherical balls are arranged between the thin cylinder and the fixed shaft, a certain amount of lubricating grease is coated inside the surrounding spherical balls, and a grease film is formed on the surfaces of the balls. A plurality of circles of surrounding balls can be arranged according to the length of the fixed shaft, so that the ball bearing can roll freely, and when the helicopter touches the high-voltage cable at a certain speed, the high-voltage cable can quickly slide along the surface of the ball bearing and separate from the device along the track by means of the rotating inertia of the ball bearing. According to the technical requirements of different helicopters on size, weight and the like, a ball bearing type cable-preventing device shown in figure 4 can be arranged, and the device is light in structure, simple in process and convenient to install and maintain. Fig. 5 and 6 are given for convenience of understanding, and fig. 5 is a front view of fig. 4; fig. 6 is a cross-sectional view of fig. 4.
The embodiment of the invention provides a main key point that a cable-preventing device is vertically arranged at the forefront of a helicopter cockpit, a rolling device which can freely roll is arranged in the device, and the rolling device can be diversified, such as a ball bearing, a cylindrical bearing and the like; and the cable avoiding device can also be arranged into a telescopic folding type, a free rotation type and the like.
Through preventing that the cable device touches high-voltage cable at first, high-voltage cable and helicopter have relative speed, let high-voltage cable slide along preventing the top or the below of cable device fast to break away from the helicopter, separate the high-voltage cable.
Compared with the traditional cable-proof device (cable cutter), the invention has the following advantages:
the traditional cable cutter is arranged on a cockpit ceiling and a nose landing gear, but the state has design requirements on the cockpit ceiling (the cockpit ceiling needs to be streamlined and smooth and has no redundant obstacle), and the landing gear also has design requirements (the landing gear generally needs to be designed into a diagonal bracing type, and the vertical landing gear cannot clamp the high-voltage cable to a knife edge position), so that the helicopter has a complex appearance structure, and cannot accurately clamp the high-voltage cable to the knife edge position when touching the high-voltage cable. The invention can be matched with the appearance structure of a helicopter body with any structure for installation, basically has no special requirements on the appearance structure of the front part of the helicopter, and can be selectively set into a reversible folding type and a telescopic type, and the device can be folded or stretched and unfolded under the condition of night or poor vision conditions.
Secondly, the invention can solve the problem that the helicopter has a large number of high-voltage cables, and the principle is to separate the high-voltage cables from the helicopter one by using the device, thereby avoiding the high-voltage cables from being wound, reducing the flight accidents of the helicopter and improving the survival ability.
The invention can not cause cutting-off type damage to the high-voltage cable, can not cause power failure phenomenon to the power grid system, and can not cause economic loss.
Compared with the traditional mode of cutting off the high-voltage cable by the cable cutting device, the high-voltage cable cutting device is stable, reliable, simple and convenient, and has no special flight requirement.
The foregoing is merely a detailed description of the embodiments of the present invention, and some of the conventional techniques are not detailed. The scope of the present invention is not limited thereto, and any changes or substitutions that can be easily made by those skilled in the art within the technical scope of the present invention will be covered by the scope of the present invention. The protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. A helicopter anti-cabling apparatus, said apparatus comprising: the device comprises a plurality of ball bearings (1), a plurality of fixed shafts (3), two side end plates (2) and a triangular fixed mounting frame (4);
the triangular fixed mounting rack (4) is mounted on a body in front of the helicopter;
each ball bearing (1) is fixed on the inner sides of the two side end plates (2) through corresponding fixed shafts (3);
and one ends of the two side end plates (2) are respectively fixed on the triangular fixed mounting frame (4).
2. A helicopter cable guard according to claim 1,
the ball bearing (1) is a ball bearing, a ball bearing or a cylindrical bearing.
3. A helicopter cable guard according to claim 1,
and rounding the windward side of the side end plate, and spraying an antioxidant and a paint layer on the surface of the side end plate.
4. A helicopter cable guard according to claim 1,
and spraying an antioxidant and a paint layer on the surface of the ball bearing (1) to smooth the surface.
5. A helicopter cable guard according to claim 4,
and uniform lubricating grease is coated between every two ball bearings, so that the friction resistance of the ball bearings is reduced.
6. A helicopter cable guard according to claim 4,
and a surrounding spherical ball is arranged between the ball bearing (1) and the fixed shaft, lubricating grease is coated inside the surrounding spherical ball, and a grease film is formed between the surfaces of the ball.
7. Helicopter cable-guard device according to claim 1, characterized in that said two side end plates (2) are of a foldable or rotatable structure.
8. A helicopter anti-cabling device according to claim 1, wherein said two side end plates (2) are deployed with the bottom flush with the undercarriage bottom and the top flush with the hub centre.
9. A helicopter cable guard according to claim 1 wherein the plurality of ball bearings are of different diameters and are arranged with a larger center and smaller sides inboard of the two side end plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011020420.8A CN112173142B (en) | 2020-09-25 | 2020-09-25 | Helicopter cable-proof device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011020420.8A CN112173142B (en) | 2020-09-25 | 2020-09-25 | Helicopter cable-proof device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112173142A true CN112173142A (en) | 2021-01-05 |
| CN112173142B CN112173142B (en) | 2022-11-25 |
Family
ID=73943747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011020420.8A Active CN112173142B (en) | 2020-09-25 | 2020-09-25 | Helicopter cable-proof device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112173142B (en) |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5288036A (en) * | 1992-10-29 | 1994-02-22 | United Technologies Corporation | Pivoting wire deflection and severing system |
| US6942177B1 (en) * | 2004-10-27 | 2005-09-13 | Aerial Machine & Tool Corporation | Static discharge cable for aircraft and method of using same |
| WO2006069997A1 (en) * | 2004-12-30 | 2006-07-06 | Airbus España, S.L. | Device for electrical bonding of electrical cables shielding on composite structures |
| CN101685124A (en) * | 2008-09-22 | 2010-03-31 | 北京航空航天大学 | Electromagnetic compatibility quick detecting platform for wire cable layout of helicopter |
| CN102390540A (en) * | 2011-09-08 | 2012-03-28 | 上海航空机械有限公司 | Cable-preventing protective device for helicopter |
| US20130093632A1 (en) * | 2011-10-12 | 2013-04-18 | Eurocopter | Aircraft antenna, and an aircraft |
| CN103466086A (en) * | 2012-03-28 | 2013-12-25 | 麦哲伦航天,麦哲伦航天有限公司温尼伯分部 | Cable cutting device for aircraft |
| CN104291164A (en) * | 2014-10-23 | 2015-01-21 | 常熟市中源电力设备有限公司 | Cable guide structure matched with marine shore power cable take-up and pay-off device |
| CN104477397A (en) * | 2014-11-27 | 2015-04-01 | 江西洪都航空工业集团有限责任公司 | Cable hooking preventing structure for low-altitude flying aircraft |
| JP2016056622A (en) * | 2014-09-11 | 2016-04-21 | サイトテック株式会社 | Cable inspection device |
| WO2017126820A1 (en) * | 2016-01-20 | 2017-07-27 | 한국전력공사 | Variable flying robot |
| CN207409988U (en) * | 2017-11-23 | 2018-05-25 | 王永强 | A kind of municipal works intert cable special stand |
| CN109018408A (en) * | 2018-07-11 | 2018-12-18 | 南方电网科学研究院有限责任公司 | A kind of device for hiding transmission tower for helicopter low-latitude flying |
| CN109533360A (en) * | 2018-11-09 | 2019-03-29 | 中国直升机设计研究所 | A kind of extension type helicopter protective device and the helicopter with it |
| CN109748158A (en) * | 2017-11-02 | 2019-05-14 | 天津职业技术师范大学 | A kind of unmanned plane cable automatic retraction device |
-
2020
- 2020-09-25 CN CN202011020420.8A patent/CN112173142B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5288036A (en) * | 1992-10-29 | 1994-02-22 | United Technologies Corporation | Pivoting wire deflection and severing system |
| US6942177B1 (en) * | 2004-10-27 | 2005-09-13 | Aerial Machine & Tool Corporation | Static discharge cable for aircraft and method of using same |
| WO2006069997A1 (en) * | 2004-12-30 | 2006-07-06 | Airbus España, S.L. | Device for electrical bonding of electrical cables shielding on composite structures |
| CN101685124A (en) * | 2008-09-22 | 2010-03-31 | 北京航空航天大学 | Electromagnetic compatibility quick detecting platform for wire cable layout of helicopter |
| CN102390540A (en) * | 2011-09-08 | 2012-03-28 | 上海航空机械有限公司 | Cable-preventing protective device for helicopter |
| US20130093632A1 (en) * | 2011-10-12 | 2013-04-18 | Eurocopter | Aircraft antenna, and an aircraft |
| CN103466086A (en) * | 2012-03-28 | 2013-12-25 | 麦哲伦航天,麦哲伦航天有限公司温尼伯分部 | Cable cutting device for aircraft |
| JP2016056622A (en) * | 2014-09-11 | 2016-04-21 | サイトテック株式会社 | Cable inspection device |
| CN104291164A (en) * | 2014-10-23 | 2015-01-21 | 常熟市中源电力设备有限公司 | Cable guide structure matched with marine shore power cable take-up and pay-off device |
| CN104477397A (en) * | 2014-11-27 | 2015-04-01 | 江西洪都航空工业集团有限责任公司 | Cable hooking preventing structure for low-altitude flying aircraft |
| WO2017126820A1 (en) * | 2016-01-20 | 2017-07-27 | 한국전력공사 | Variable flying robot |
| CN109748158A (en) * | 2017-11-02 | 2019-05-14 | 天津职业技术师范大学 | A kind of unmanned plane cable automatic retraction device |
| CN207409988U (en) * | 2017-11-23 | 2018-05-25 | 王永强 | A kind of municipal works intert cable special stand |
| CN109018408A (en) * | 2018-07-11 | 2018-12-18 | 南方电网科学研究院有限责任公司 | A kind of device for hiding transmission tower for helicopter low-latitude flying |
| CN109533360A (en) * | 2018-11-09 | 2019-03-29 | 中国直升机设计研究所 | A kind of extension type helicopter protective device and the helicopter with it |
Non-Patent Citations (3)
| Title |
|---|
| 刘贯博: "直升机防撞系统结构构想", 《黑龙江科技信息》 * |
| 孙伟等: "直升机防撞线主动预警系统", 《电子技术与软件工程》 * |
| 汪文涛: "用于离心式作动器的变滑模面滑模控制", 《航空学报》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112173142B (en) | 2022-11-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3702276B1 (en) | A multirotor joined-wing aircraft with vtol capabilities | |
| EP3184425A1 (en) | Multirotor aircraft | |
| CN113753230B (en) | Aircraft, wing assembly and aerocar | |
| CN112874758B (en) | Film wing aircraft | |
| CN112173142B (en) | Helicopter cable-proof device | |
| CN107342554A (en) | It is a kind of to climb sliding high-voltage maintenance robot for separating and merging the winged of deformation | |
| CN105752356A (en) | Fixed wing unmanned aerial vehicle landing slow-down damping device | |
| CN112060847A (en) | Urban air aerocar | |
| US20070034749A1 (en) | Deployable airfoil assembly for aircraft | |
| CN108750113B (en) | Unmanned vehicles of annular wing | |
| CN207089674U (en) | A kind of aircraft laser lamp | |
| CN102390540A (en) | Cable-preventing protective device for helicopter | |
| CN110774848A (en) | Four-duct air-ground dual-purpose vehicle with telescopic wings | |
| CN108583868A (en) | Formula ducted fan aircraft is imitated a kind ofly | |
| CN109334979A (en) | A kind of dual-purpose condition monitoring devices in extra large land of automatic falling guard | |
| CN112319807B (en) | Unmanned aerial vehicle control platform control method based on intelligent equipment | |
| CN212579543U (en) | Urban air aerocar | |
| CN213381402U (en) | Fixed supporting structure of aircraft landing gear | |
| CN206336426U (en) | VTOL personal aircraft | |
| CN111086625B (en) | Double-duct variable cabin tailstock type vertical take-off and landing manned fixed wing aircraft | |
| CN106741896A (en) | A kind of quadrotor | |
| CN111114797A (en) | Emergency parachute system and control method thereof | |
| CN204737021U (en) | Solar energy dirigible of double dynamical dual fail -safe | |
| CN203567948U (en) | Arresting device and runway provided with arresting device | |
| CN208393628U (en) | Imitate formula ducted fan aircraft in ground |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |