CN109533365A - A kind of cable cutting device and the helicopter with it - Google Patents
A kind of cable cutting device and the helicopter with it Download PDFInfo
- Publication number
- CN109533365A CN109533365A CN201811341676.1A CN201811341676A CN109533365A CN 109533365 A CN109533365 A CN 109533365A CN 201811341676 A CN201811341676 A CN 201811341676A CN 109533365 A CN109533365 A CN 109533365A
- Authority
- CN
- China
- Prior art keywords
- cable
- notch
- guiding
- hole
- helicopter
- 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.)
- Pending
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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
- B64D47/00—Equipment not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F11/00—Cutting wire
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/04—Helicopters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U10/00—Type of UAV
- B64U10/10—Rotorcrafts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U2101/00—UAVs specially adapted for particular uses or applications
Abstract
The application belongs to aircraft safety design field, in particular to a kind of cable cutting device, which includes: guide member, has guiding face；Cutting sheet has notch；And clamping piece, clamp guide member and cutting member, wherein guide member enters cable guide in notch along its guiding face, notch radially extruded cable, by cable cutting.Furthermore, disclosed herein as well is a kind of helicopters with above-mentioned cable cutting device, cable cutting device is mounted on helicopter ceiling by it, at windscreen skeleton or fuselage bottom covering is at rotor, the obstacles such as the cable that guide member is touched, it is guided into notch along guiding face, notch is radially squeezed and is cut off, and the obstacle of cable can be effectively prevent to tangle Xuan Yi Jiang Grains and cause catastrophic failure.
Description
Technical field
The application belongs to aircraft safety design field, in particular to a kind of cable cutting device and going straight up to it
Machine.
Background technique
Helicopter has excellent low-latitude flying performance, often will do it patch ground flying operation, in not open area
Take off and land, or even the maneuvering flight under narrow terrain environment, in these cases, helicopter may all bump against electricity
Cable or other objects, so as to cause catastrophic failure.
Thus, it is desirable to have a kind of technical solution overcomes or at least mitigates the above problem.
Summary of the invention
The purpose of the application is to provide a kind of cable cutting device and the helicopter with it, to overcome or alleviated by above-mentioned ask
Topic.
The technical solution of the application is:
On the one hand a kind of cable cutting device is provided, comprising:
Guide member has guiding face；
Cutting sheet has notch；And
Clamping piece clamps guide member and cutting member, wherein
Guide member enters cable guide in notch along its guiding face, notch radially extruded cable, by cable cutting.
Optionally, guide member has both ends, and one end is known as guiding front end, and the other end guides rear end；
Notch is V-shaped；
Clamping piece, including two grip blocks open up on each grip block jagged；Wherein,
One grip block is located at the side of cutting member, referred to as fixed plate,
Another grip block is located at the other side of cutting member, referred to as limit plate；
Fixed plate and limit plate clamp cutting sheet side wall and guiding rear end, notch expose between two notches.
Optionally, one end that notch is gradually expanded is the open end of cutting sheet, the receipts that the other end gradually tapers up as cutting sheet
Contracting end；
Guiding face self-aiming rear end extends to guiding front end direction, and self-constriction end is tilted to opening extreme direction；
Cable is moved to guiding rear end direction along guiding face self-aiming front end and is directed into notch, and cable is in notch
Relative to cutting sheet from open end to shrinking end motion, notch radially extruded cable, by cable cutting.
Optionally, notch is symmetrical about a plane, which is known as the notch plane of symmetry；
Angle between guiding face and the notch plane of symmetry is known as forward leaning angle；
Forward leaning angle is located within 45 ° -73.4 °.
, the cable cutting device wanted according to right, optionally forward leaning angle is 60 °.
Optionally, the groove of the notch and guide channel are offered on limit plate；
Notch space is formed between the groove of the notch and fixed plate, the outer wall of cutting sheet is arranged in notch space；
Conducting space is formed between guide channel and fixed plate, guiding rear end is arranged in conducting space.
Optionally, multiple first limiting through hole and multiple second limiting through hole are offered on limit plate；
Multiple first fixed holes and multiple second fixed holes are offered in fixed plate；
Multiple cutting sheet through-holes are offered in cutting sheet, each first limiting through hole passes through one with first fixed hole
A cutting sheet through-hole connection forms a cutting sheet limit channels, and one bolts and nuts of setting cooperate in each limit channels
Fastening；
Guiding rear end opens up multiple guiding through-holes, and each second limiting through hole is led with second fixed hole by one
Draw through-hole connection, forms a guiding limit channels, one bolts and nuts of setting cooperate fastening in each guiding channel.
Optionally, mounting groove is offered on limit plate, and connection space is formed between mounting groove and fixed plate；
Multiple third limiting through hole are offered on limit plate；
Multiple third fixed holes are offered in fixed plate；
Cutter device further includes having:
Mounting base has a joint face, and a connection boss is provided on joint face, and the setting of connection boss is empty in connection
In；
Multiple connection through-holes are offered on connection boss, each third limiting through hole passes through one with a third fixed hole
A connection through-hole connection forms an interface channel, and one bolts and nuts of setting cooperate fastening in each interface channel；
Two support rods, wherein
One support rod is located at the side of cutting sheet, and the wall surface that one end is located at the side with guide member is bolted,
The other end with helicopter outer surface for connecting；
Another support rod is located at the other side of cutting sheet, and the wall surface that one end and guide member are located at the side is connected by bolt
It connects, the other end with helicopter outer surface for connecting.
Optionally, guiding face carries out the processing of rounding angle, and guides surface roughness <；
The blade angle of notch is 60 °, and is coated with hard coat.
On the other hand a kind of helicopter is provided, including such as any above-mentioned cable cutting device；
Mounting base is fixedly connected with helicopter outer surface, and the surface that contacts with helicopter of pedestal and helicopter are at this
Outer surface is adapted；
The one end of each support rod far from guide member is fixedly connected with helicopter outer surface；
The angle in guiding face and helicopter course is located within 45 ° -73.4 °.
At least there are following advantageous effects in the application: providing a kind of cable cutting device and going straight up to it
Machine, wherein cable cutting device is mounted on helicopter ceiling, at windscreen skeleton or fuselage bottom covering is at rotor,
The obstacles such as the cable that guide member is touched, are guided into notch along guiding face, and notch is radially squeezed and cut off, can
It effectively prevent the obstacle of cable to tangle Xuan Yi Jiang Grains and causes catastrophic failure.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one embodiment of the application cable cutting device；
Fig. 2 is the assembling schematic diagram of one embodiment of the application cable cutting device；
Fig. 3 is the angular relationship schematic diagram of guiding face and cable and vector；
Fig. 4 is the partial structural diagram of the helicopter in the application with cable cutting device.
Specific embodiment
To keep the purposes, technical schemes and advantages of the application implementation clearer, below in conjunction in the embodiment of the present application
Attached drawing, technical solutions in the embodiments of the present application is further described in more detail.In the accompanying drawings, identical from beginning to end or class
As label indicate same or similar element or element with the same or similar functions.Described embodiment is the application
A part of the embodiment, instead of all the embodiments.The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to use
In explanation the application, and it should not be understood as the limitation to the application.Based on the embodiment in the application, ordinary skill people
Member's every other embodiment obtained without creative efforts, shall fall in the protection scope of this application.Under
Face is described in detail embodiments herein in conjunction with attached drawing.
In the description of the present application, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown is merely for convenience of description the application and simplifies description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as protecting the application
The limitation of range.
1 to Fig. 4 the application is described in further details with reference to the accompanying drawing.
On the one hand a kind of cable cutting device is provided, comprising:
Guide member 1 has guiding face；
Cutting sheet 3 has notch；And
Clamping piece clamps guide member 1 and cutting member, wherein
Cable 7 is guided into notch by guide member 1 along its guiding face, and cable 7 is cut in notch radially extruded cable 7
It is disconnected.
Further, guide member 1 has both ends, and one end is known as guiding front end, and the other end guides rear end；Notch is V-shaped；
Clamping piece, including two grip blocks open up on each grip block jagged；Wherein, a grip block is located at the side of cutting member 3,
Referred to as fixed plate 4, another grip block are located at the other side of cutting member 3, referred to as limit plate 2；Fixed plate 4 and limit plate 2 clamp
Firmly 3 side wall of cutting sheet and guiding rear end, notch expose between two notches.
Further, one end that notch is gradually expanded is the open end of cutting sheet 3, and the other end gradually tapers up as cutting sheet 3
Serrated end；Guiding face self-aiming rear end extends to guiding front end direction, and self-constriction end is tilted to opening extreme direction；Cable 7
It moves and is directed into notch to guiding rear end direction along guiding face self-aiming front end, cable 7 is in notch relative to cutting
Piece 3 cuts off cable 7 from open end to end motion, notch radially extruded cable 7 are shunk.
Wherein, it is readily appreciated that cross, the length that guiding face self-aiming rear end extends to guiding front end direction is bigger, Ben Qie
It is bigger to cut the cleavable effective range of device, in this regard, those skilled in the art are in application this and each device, it can be according to reality
It needs to be designed.
Further, notch is symmetrical about a plane, which is known as the notch plane of symmetry；Guiding face and the notch plane of symmetry it
Between angle be known as forward leaning angle；Forward leaning angle is located within 45 ° -73.4 °.
Further, forward leaning angle is 60 °.
Further, the groove of the notch and guide channel are offered on limit plate 2；It is empty that notch is formed between the groove of the notch and fixed plate 4
Between, the outer wall of cutting sheet 3 is arranged in notch space；Conducting space, the setting of guiding rear end are formed between guide channel and fixed plate 4
In conducting space.Above-mentioned design can make clamping piece clamp reliably guide member 1 and cutting sheet 3, prevent guide member 1 and cutting
Relative movement is generated between piece 3.
Further, multiple first limiting through hole and multiple second limiting through hole are offered on limit plate 2；In fixed plate 4
Offer multiple first fixed holes and multiple second fixed holes；Multiple cutting sheet through-holes, Mei Ge are offered in cutting sheet 3
One limiting through hole is connected to first fixed hole by a cutting sheet through-hole, forms a cutting sheet limit channels, often
One bolts and nuts is set in a limit channels and cooperates fastening；Guiding rear end opens up multiple guiding through-holes, each second limit
Through-hole is connected to second fixed hole by a guiding through-hole, and a guiding limit channels, each guiding channel are formed
Middle one bolts and nuts of setting cooperate fastening.On the one hand above-mentioned design can further prevent between guide member 1 and cutting sheet 3
Relative movement is generated, on the other hand the cable cutting device can be made convenient for disassembly and assembly, installation, replacement convenient for cutting sheet 3.
Further, mounting groove is offered on limit plate 2, forms connection space between mounting groove and fixed plate 4；Limit plate
Multiple third limiting through hole are offered on 2；Multiple third fixed holes are offered in fixed plate 4；Cutter device further includes having: peace
Seat 5 is filled, there is a joint face, a connection boss is provided on joint face, connection boss is arranged in connection space；Connection
Multiple connection through-holes are offered on boss, each third limiting through hole connect through-hole by one with a third fixed hole and connects
It is logical, an interface channel is formed, one bolts and nuts of setting cooperate fastening in each interface channel.
Further, cutter device further includes having: two support rods 6, wherein a support rod 6 is located at the one of cutting sheet 3
Side, the wall surface that one end is located at the side with guide member 1 are bolted, and the other end with 8 outer surface of helicopter for connecting；Separately
One support rod 6 is located at the other side of cutting sheet 3, and the wall surface that one end is located at the side with guide member 1 is bolted, another
End with 8 outer surface of helicopter for connecting.The setting of above-mentioned support rod 6 can make cable cutting device installation firm, and enhancing
Its stability at work.
Further, guiding face carries out the processing of rounding angle, and guides surface roughness < 1.6.Above-mentioned design can reduce guiding
Friction between face and cable, the cable 7 for touching it are easier to be directed into its mouth, improve the cable cutting device
Performance.
Further, the blade angle of notch is 60 °, and is coated with hard coat.It verifies and is cut through ground cutting test
Mouthful the angle of cutting edge be that 60 ° of Cutting Drags are smaller and be less prone to tipping, being coated with hard coat in the cutting edge of notch can increase
The cutting performance of blade stiffness raising cutting sheet 3.
On the other hand a kind of helicopter, including any of the above-described cable cutting device are provided；
Mounting base 5 is fixedly connected with 8 outer surface of helicopter, and the surface that pedestal 5 is contacted with helicopter 8 exists with helicopter 8
Outer surface at this is adapted.
The one end of each support rod 6 far from guide member 1 is fixedly connected with 8 outer surface of helicopter；Guiding face and helicopter 8 navigate
To angle be located at 45 ° -73.4 ° within.
Analyzed from statics angle, can cable 7 be directed into notch along guiding face, depend on cable 7 can gram
The effect of its stiction on guiding face is taken, if taking cable 7 and guiding face dynamic friction coefficient is 0.2, dynamic friction angle is
Arctan0.2=11.3 °, confficient of static friction is generally very close with dynamic friction coefficient, if being taken as 0.3, static friction angle is
Arctan0.3=16.7 °.
Analyze from static theories: load F is located at except the range at static friction angle, and cable 7 can be directed to along guiding face
Into notch, therefore, forward leaning angle θ requires to be necessarily less than equal to 73.4 °；If will limit in addition, forward leaning angle θ is too small
Cable 7 draws range, therefore, it is specified that 45 °≤θ≤73.4 ° is limited in embodiment.Forward leaning angle θ is set in present embodiment
It is calculated as 60 °.
The above, the only specific embodiment of the application, but the protection scope of the application is not limited thereto, it is any
Within the technical scope of the present application, any changes or substitutions that can be easily thought of by those familiar with the art, all answers
Cover within the scope of protection of this application.Therefore, the protection scope of the application should be with the scope of protection of the claims
It is quasi-.
Claims (10)
1. a kind of cable cutting device characterized by comprising
Guide member (1) has guiding face；
Cutting sheet (3) has notch；And
Clamping piece clamps the guide member (1) and the cutting member, wherein
Cable (7) is guided into the notch by the guide member (1) along its guiding face, described in the notch radially squeezes
Cable (7) cuts off the cable (7).
2. cable cutting device according to claim 1, which is characterized in that
The guide member (1) has both ends, and one end is guiding front end, and the other end is guiding rear end；
The V-shaped notch of notch；
The clamping piece includes two grip blocks, is opened up on each grip block jagged；Wherein,
One grip block is located at the side of the cutting member (3), referred to as fixed plate (4),
Another described grip block is located at the other side of the cutting member (3), referred to as limit plate (2)；
The fixed plate (4) and the limit plate (2) clamp the cutting sheet (3) side wall and the guiding rear end, described to cut
Mouth exposes between two notches.
3. cable cutting device according to claim 2, which is characterized in that
One end that the notch is gradually expanded is the open end of the cutting sheet (3), and the other end gradually tapers up as the cutting sheet
(3) serrated end；
The guiding face from the guiding rear end to the guiding before extreme direction extend, and from the serrated end to the open end
Direction inclination；
The cable (7) along the guiding face from the guiding front end to the guiding after extreme direction move be directed into it is described
In notch, the cable (7) is transported relative to the cutting sheet (3) from the open end to the serrated end in the notch
Dynamic, the notch radially squeezes the cable (7), and the cable (7) are cut off.
4. cable cutting device according to claim 3, which is characterized in that
The notch is symmetrical about a plane, which is known as the notch plane of symmetry；
Angle between the guiding face and the notch plane of symmetry is known as forward leaning angle；
The forward leaning angle is located within 45 ° -73.4 °.
5. according to right want 4 described in the cable cutting device, which is characterized in that the forward leaning angle be 60 °.
6. cable cutting device according to claim 5, which is characterized in that
The groove of the notch and guide channel are offered on the limit plate (2)；
Notch space is formed between the groove of the notch and the fixed plate (4), the outer wall setting of the cutting sheet (3) is cut described
In mouth space；
Conducting space is formed between the guide channel and the fixed plate (4), the guiding rear end is arranged in the conducting space
It is interior.
7. cable cutting device according to claim 6, which is characterized in that
Multiple first limiting through hole and multiple second limiting through hole are offered on the limit plate (2)；
Multiple first fixed holes and multiple second fixed holes are offered on the fixed plate (4)；
Multiple cutting sheet through-holes are offered on the cutting sheet (3), each first limiting through hole is solid with one described first
Through-hole is determined by a cutting sheet through-hole connection, is formed a cutting sheet limit channels, is set in each limit channels
Set a bolts and nuts cooperation fastening；
The guiding rear end opens up multiple guiding through-holes, and each second limiting through hole is logical with second fixed hole
Cross a guiding through-hole connection, form a guiding limit channels, in each guiding channel one bolt of setting and
Nut cooperation fastening.
8. cable cutting device according to claim 7, which is characterized in that
Mounting groove is offered on the limit plate (2), forms connection space between the mounting groove and the fixed plate (4)；
Multiple third limiting through hole are offered on the limit plate (2)；
Multiple third fixed holes are offered on the fixed plate (4)；
The cutter device further includes having:
Mounting base (5) has a joint face, and a connection boss, the connection boss setting are provided on the joint face
In the connection space；
Multiple connection through-holes are offered on the connection boss, each third limiting through hole is fixed logical with a third
Hole forms an interface channel by a connection through-hole connection, in each interface channel one bolt of setting and
Nut cooperation fastening；
Two support rods (6), wherein
One support rod (6) is located at the side of the cutting sheet (3), and one end and the guide member (1) are located at the side
Wall surface is bolted, and the other end with helicopter (8) outer surface for connecting；
Another support rod (6) is located at the other side of the cutting sheet (3), and one end and the guide member (1) are located at should
The wall surface of side is bolted, and the other end with helicopter (8) outer surface for connecting.
9. cable cutting device according to claim 8, which is characterized in that
The guiding face carries out the processing of rounding angle, and guiding surface roughness < 1.6；
The blade angle of the notch is 60 °, and is coated with hard coat.
10. a kind of helicopter, which is characterized in that including cable cutting device as claimed in claim 9；
Mounting base (5) is fixedly connected with helicopter (8) outer surface, and the table that the mounting base (5) is contacted with the helicopter (8)
Face is adapted with outer surface of the helicopter (8) at this；
Each support rod (6) is fixedly connected far from the one end of guide member (1) with the helicopter (8) outer surface；
The angle in the guiding face and the helicopter (8) course is located within 45 ° -73.4 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811341676.1A CN109533365A (en) | 2018-11-12 | 2018-11-12 | A kind of cable cutting device and the helicopter with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811341676.1A CN109533365A (en) | 2018-11-12 | 2018-11-12 | A kind of cable cutting device and the helicopter with it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109533365A true CN109533365A (en) | 2019-03-29 |
Family
ID=65846823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811341676.1A Pending CN109533365A (en) | 2018-11-12 | 2018-11-12 | A kind of cable cutting device and the helicopter with it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109533365A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4215833A (en) * | 1978-12-07 | 1980-08-05 | Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of National Defence | Cable-cutting device |
| US4826103A (en) * | 1987-04-28 | 1989-05-02 | Custom Air, Inc. | Active cable-cutting assembly for aircraft |
| WO1999038770A2 (en) * | 1998-02-02 | 1999-08-05 | Bristol Aerospace Limited | Wire strike protection system with integrated antenna |
| CN201721616U (en) * | 2010-01-07 | 2011-01-26 | 哈尔滨飞机工业集团有限责任公司 | Helicopter cable-proof protector |
| CN102390540A (en) * | 2011-09-08 | 2012-03-28 | 上海航空机械有限公司 | Cable-preventing protective device for helicopter |
| EP2594480A1 (en) * | 2011-11-18 | 2013-05-22 | Eurocopter | Cable cutting device and 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 |
-
2018
- 2018-11-12 CN CN201811341676.1A patent/CN109533365A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4215833A (en) * | 1978-12-07 | 1980-08-05 | Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of National Defence | Cable-cutting device |
| US4826103A (en) * | 1987-04-28 | 1989-05-02 | Custom Air, Inc. | Active cable-cutting assembly for aircraft |
| WO1999038770A2 (en) * | 1998-02-02 | 1999-08-05 | Bristol Aerospace Limited | Wire strike protection system with integrated antenna |
| CN201721616U (en) * | 2010-01-07 | 2011-01-26 | 哈尔滨飞机工业集团有限责任公司 | Helicopter cable-proof protector |
| CN102390540A (en) * | 2011-09-08 | 2012-03-28 | 上海航空机械有限公司 | Cable-preventing protective device for helicopter |
| EP2594480A1 (en) * | 2011-11-18 | 2013-05-22 | Eurocopter | Cable cutting device and 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 |
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Application publication date: 20190329 |