CN208036607U - A kind of flight instruments - Google Patents
A kind of flight instruments Download PDFInfo
- Publication number
- CN208036607U CN208036607U CN201820160693.4U CN201820160693U CN208036607U CN 208036607 U CN208036607 U CN 208036607U CN 201820160693 U CN201820160693 U CN 201820160693U CN 208036607 U CN208036607 U CN 208036607U
- Authority
- CN
- China
- Prior art keywords
- helical axis
- axis
- windshields
- flight instruments
- power plant
- 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.)
- Expired - Fee Related
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- Gear Transmission (AREA)
- Screw Conveyors (AREA)
Abstract
The utility model provides a kind of flight instruments, belongs to technical field of aerospace, including body, power plant, two conveyor screws and transmission device；Each conveyor screw includes a helical axis and at least two windshields；The helical axis can be rotated relative to the body, rotary shaft and the helical axis central axis；At least two windshields are connected on the helical axis, and projection of at least two windshields in the plane perpendicular to the helical axis central shaft is uniformly distributed in a ring；The direction of rotation of two conveyor screws is opposite；For the power plant for providing rotary power, the rotary power of the power plant is transferred to two conveyor screws by the transmission device.The utility model is by being provided with symmetrically arranged two conveyor screw, and two conveyor screws is made to reversely rotate, it can ensure that flight instruments are not influenced by helical axis swing, helical axis in conveyor screw drives the windshield rotation of lower surface indent, more lift can be generated, the utility model is enable more to save energy.
Description
Technical field
The utility model belongs to technical field of aerospace, and in particular to a kind of flight instruments.
Background technology
Helicopter overcomes gravity to fly usually using rotor offer lift at present, and usual rotor is mounted on right cylinder,
And the length of rotor is very long, in order to overcome windage and be converted into lift during flight, needs powerful start
Machine drives, and oil firing is big and involves great expense.
Utility model content
In order to provide a kind of oil firing few efficient flight instruments, technical solution is used by the utility model：
A kind of flight instruments, including body, power plant, two conveyor screws and transmission device；Each conveyor screw is including a helical axis and extremely
Few two windshields；The helical axis can be rotated relative to the body, rotary shaft and the helical axis central axis；At least two
The windshield is connected on the helical axis, throwing of at least two windshields in the plane perpendicular to the helical axis central shaft
Shadow is uniformly distributed in a ring, and the lower surface of the windshield concaves；The direction of rotation of two conveyor screws is opposite；One helical axis
The hand of spiral is clockwise, and the hand of spiral of another helical axis is counterclockwise, and the central shaft of two helical axis is parallel；Each wind
Lid is fixedly connected with the helical axis, and the bottom surface of each windshield is relatively orthogonal to the plane inclination of the helical axis central shaft, inclines
Tilted direction is to be tilted upwards along direction of rotation；The power plant will be described dynamic for providing rotary power, the transmission device
The rotary power of power apparatus is transferred to two conveyor screws.
Further, the power plant includes engine or motor；The transmission device includes gear shaft, the gear
Axis and the engine or motor gear are driven, the gear shaft respectively with the helical axis Bevel Gear Transmission.
Further, the flight instruments further include steady rest, and the steady rest is fixedly connected with the body, the spiral shell
Spin axis one end is rotatably connected by bearing with the body, and the other end is rotatably connected by bearing with the steady rest.
Further, the gear shaft includes an axis body, a transmission gear and two bevel gears, and two bevel gears reversely set
It sets at the both ends of the axis body, the transmission gear is arranged on the axis body.
Further, the conveyor screw includes a helical axis and four windshields；In the helical axis
In the plane of mandrel, the projection of four windshields is uniformly distributed in a ring, in arbitrary two adjacent windshield center to the helical axis
The angle of the line of mandrel is 90 °.
The utility model has the advantages that：
The utility model makes two conveyor screws reversely rotate by being provided with symmetrically arranged two conveyor screw, energy
Enough ensureing that flight instruments are not influenced by helical axis swing, the helical axis in conveyor screw drives the windshield rotation of lower surface indent,
Identical power can generate more lift, and the utility model is enable more to save energy.
Description of the drawings
Fig. 1 is a kind of stereogram of better embodiment of the utility model.
Fig. 2 is the schematic diagram for removing part body.
Fig. 3 is the schematic top plan view that the utility model spiral shaft body is connect with windshield.
Main element symbol description
| Body 1 | Power plant 2 | Conveyor screw 3 |
| Helical axis 31 | Windshield 32 | Transition part 311 |
| Transmission device 4 | Gear shaft 41 | Axis body 411 |
| Transmission gear 412 | Bevel gear 413 | Steady rest 5 |
Following specific implementation mode will further illustrate the utility model in conjunction with above-mentioned attached drawing.
Specific implementation mode
The following examples can help those skilled in the art to be more fully understood the utility model, but cannot be with
Any mode limits the utility model.
- 2 are please referred to Fig.1, in the first better embodiment of the utility model, a kind of flight instruments, including machine
Body 1, power plant 2, two conveyor screws 3 and transmission device 4；
Fig. 3 is please referred to, each conveyor screw 3 includes a helical axis 31 and four windshields 32；The helical axis 31 being capable of phase
The body 1 is rotated, rotary shaft and 31 central axis of the helical axis；Four windshields 32 are connected in the helical axis
On 31, projection of four windshields 32 in the plane perpendicular to 31 central shaft of the helical axis is uniformly distributed in a ring, annular
The central point of distribution intersects with the center line of the helical axis 31；The direction of rotation of two conveyor screws 3 is opposite；One helical axis 31
The hand of spiral be clockwise, the hand of spiral of another helical axis 31 is counterclockwise, and the central shaft of two helical axis 31 is parallel；
Each windshield 32 is fixedly connected with the helical axis 31, and each windshield 32 is relatively orthogonal to the plane of 31 central shaft of the helical axis
It tilts, inclined direction is to be tilted upwards along direction of rotation；Preferably, the conveyor screw 3 is arranged about a mirror image face mirror symmetry,
The windshield 32 is convex recessed, and convex recessed surface is cambered surface, and the windshield 32 is welded on the helical axis 31, and arbitrary two
Adjacent windshield 32 and 31 junction of helical axis projected on 31 center line of helical axis at a distance from it is identical.In the present embodiment, institute
The edge for stating windshield 32 is additionally provided with flange.
The power plant 2 is for providing rotary power, and the transmission device 4 is by the rotary power of the power plant 2
It is transferred to two conveyor screws 3.Preferably, the power plant 2 includes engine or motor.
The transmission device 4 includes gear shaft 41, and the gear shaft 41 is driven with the engine or motor gear, institute
State gear shaft 41 respectively with 31 Bevel Gear Transmission of the helical axis.Work as in the present embodiment, the gear shaft 41 includes an axis body
411, a transmission gear 412 and two bevel gears 413, two bevel gears 413 are oppositely arranged in the both ends of the axis body 411, institute
Transmission gear 412 is stated to be arranged on the axis body 411.
The flight instruments further include steady rest 5, and the steady rest 5 is fixedly connected with described, 31 one end of the helical axis
It is rotatably connected with described by bearing, the other end is rotatably connected by bearing with the steady rest 5.In the present embodiment, institute
It states helical axis 31 and is provided at both ends with transition part 311.The transition part 311 passes through bearing with the body 1 or the steady rest 5
Connection, 311 one end of the transition part are connect with the ontology of the helical axis 31, the transition part 311 being connect with body by bearing
The other end be also fixedly connected with a bevel gear.
In second of embodiment of utility model, the conveyor screw includes a helical axis and two wind
Lid；In the plane perpendicular to the helical axis central shaft, the projection of two windshields is uniformly distributed in a ring, two windshields
The subpoint of central point and the spiral shaft centre line be located at same straight line.
In the third embodiment of utility model, the conveyor screw includes a helical axis and three wind
Lid；In the plane perpendicular to the helical axis central shaft, the projection of three windshields is uniformly distributed in a ring, and arbitrary two is adjacent
The angle of windshield center to the line of the helical axis central shaft is 120 °.
In use, rotary power is transmitted to the axis body 411 by power plant 2 by the transmission gear 412, then lead to
It crosses the gear to be transmitted on two bevel gears 413, since two bevel gears 413 are oppositely arranged, makes two spiral shells
On the contrary, the horizontal applied force of two helical axis 31 can be balanced, two helical axis 31 drive peace respectively for the direction of rotation of spin axis 31
Windshield 32 on helical axis 31 rotates, since the windshield 32 is uniformly divided in the plane perpendicular to 31 center line of helical axis
Cloth can be balanced effectively, and the recessed surface of windshield 32 more effectively can convert resistance to lift, be provided for flight instruments
Lift.
Claims (5)
1. a kind of flight instruments, it is characterised in that：The flight instruments include body, power plant, two conveyor screws and transmission dress
It sets；
Each conveyor screw includes a helical axis and at least two windshields；The helical axis can be rotated relative to the body, rotation
Axis and the helical axis central axis；At least two windshields are connected on the helical axis, and at least two windshields are being hung down
It is directly uniformly distributed in a ring in the projection in the plane of the helical axis central shaft, the lower surface of the windshield concaves；Two institutes
The direction of rotation for stating conveyor screw is opposite；The hand of spiral of one helical axis is clockwise, and the hand of spiral of another helical axis is the inverse time
The central shaft of needle, two helical axis is parallel；Each windshield is fixedly connected with the helical axis, and the bottom surface of each windshield is hung down relatively
It is directly tilted in the plane of the helical axis central shaft, inclined direction is to be tilted upwards along direction of rotation；
For the power plant for providing rotary power, the rotary power of the power plant is transferred to two by the transmission device
The conveyor screw.
2. a kind of flight instruments as described in claim 1, it is characterised in that：The power plant includes engine or motor；
The transmission device includes gear shaft, and the gear shaft is driven with the engine or motor gear, the gear shaft difference
With the helical axis Bevel Gear Transmission.
3. a kind of flight instruments as described in claim 1, it is characterised in that：The flight instruments further include steady rest, described
Steady rest is fixedly connected with the body, and described helical axis one end is rotatably connected by bearing with the body, and the other end passes through
Bearing is rotatably connected with the steady rest, and the center line of the helical axis is overlapped with the center line of bearing.
4. a kind of flight instruments as claimed in claim 2, it is characterised in that：The gear shaft includes an axis body, a driving cog
Wheel and two bevel gears, two bevel gears are oppositely arranged at the both ends of the axis body, and the transmission gear is arranged in the axis body
On.
5. a kind of flight instruments as described in any in claim 1-4, it is characterised in that：The conveyor screw includes a spiral shell
Spin axis and four windshields；In the plane perpendicular to the helical axis central shaft, the projection of four windshields is uniform in a ring
Distribution, the angle of line of the arbitrary two adjacent windshield center to the helical axis central shaft is 90 °.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2017209370022 | 2017-07-28 | ||
| CN201720937002 | 2017-07-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208036607U true CN208036607U (en) | 2018-11-02 |
Family
ID=63955052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820160693.4U Expired - Fee Related CN208036607U (en) | 2017-07-28 | 2018-01-31 | A kind of flight instruments |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208036607U (en) |
-
2018
- 2018-01-31 CN CN201820160693.4U patent/CN208036607U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181102 Termination date: 20190131 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |