CN113864352A - Clutch suitable for short-distance vertical take-off and landing aircraft - Google Patents
Clutch suitable for short-distance vertical take-off and landing aircraft Download PDFInfo
- Publication number
- CN113864352A CN113864352A CN202111226060.1A CN202111226060A CN113864352A CN 113864352 A CN113864352 A CN 113864352A CN 202111226060 A CN202111226060 A CN 202111226060A CN 113864352 A CN113864352 A CN 113864352A
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- tooth
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- 230000005540 biological transmission Effects 0.000 claims abstract description 68
- 238000000034 method Methods 0.000 claims description 5
- 238000009827 uniform distribution Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000013016 damping Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D11/00—Clutches in which the members have interengaging parts
- F16D11/16—Clutches in which the members have interengaging parts with clutching members movable otherwise than only axially
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D13/00—Friction clutches
- F16D13/22—Friction clutches with axially-movable clutching members
- F16D13/38—Friction clutches with axially-movable clutching members with flat clutching surfaces, e.g. discs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D21/00—Systems comprising a plurality of actuated clutches
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D23/00—Details of mechanically-actuated clutches not specific for one distinct type
- F16D23/12—Mechanical clutch-actuating mechanisms arranged outside the clutch as such
- F16D23/14—Clutch-actuating sleeves or bearings; Actuating members directly connected to clutch-actuating sleeves or bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D11/00—Clutches in which the members have interengaging parts
- F16D2011/002—Clutches in which the members have interengaging parts using an external and axially slidable sleeve for coupling the teeth of both coupling components together
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D23/00—Details of mechanically-actuated clutches not specific for one distinct type
- F16D23/12—Mechanical clutch-actuating mechanisms arranged outside the clutch as such
- F16D23/14—Clutch-actuating sleeves or bearings; Actuating members directly connected to clutch-actuating sleeves or bearings
- F16D2023/141—Clutch-actuating sleeves or bearings; Actuating members directly connected to clutch-actuating sleeves or bearings characterised by using a fork; Details of forks
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Operated Clutches (AREA)
Abstract
The invention discloses a clutch suitable for a short-distance vertical take-off and landing airplane, which comprises a driving unit and a driven unit, wherein the driving unit comprises a driving shell and a driving tooth, and the driving tooth is slidably arranged in the driving shell; the driven unit comprises a driven shell and a driven tooth which are connected; the driving shell can be abutted against the driven shell and drives the driven shell to rotate; the driving tooth can extend into the driven shell and is matched with the driven tooth to drive the driven shell to rotate. According to the clutch applicable to the short-distance vertical take-off and landing aircraft, the driving shell can abut against the driven shell, and the driving unit drives the driven unit to synchronously rotate, so that power transmission in a low-power state is realized; when the output power of the aircraft engine is increased, the driving shell and the driven shell rotate relatively, when the output power of the aircraft engine is increased to a certain degree, the driving teeth stretch into the driven shell, and the driving teeth and the driven teeth are matched to drive the driven shell to rotate so as to transmit high-power.
Description
Technical Field
The invention relates to the technical field of power transmission equipment and peripheral supporting facilities thereof, in particular to a clutch suitable for a short-distance vertical take-off and landing aircraft.
Background
Clutches are widely used in the field of transportation as a mechanism for cutting off and transmitting power. With the continuous development of the aviation field, the exploration on the airplane is deeper and deeper, and then a short-distance vertical take-off and landing airplane (short-droop airplane for short) is developed, the airplane realizes vertical take-off and landing through a lift fan, and the lift fan only needs to provide upward lift for the airplane under the conditions of vertical take-off and landing, so a clutch is needed to realize the separation and connection of power transmission between the lift fan and an airplane engine, but the clutch needs to work under the conditions of high rotating speed and high power, the existing clutch cannot meet the requirement of acting on the short-droop take-off and landing airplane, and the research on the aspect is not extensive.
Therefore, how to provide a clutch operating under high power and high rotation speed conditions to realize the transmission and disconnection of power between a lift fan and an aircraft engine becomes a problem to be solved by those skilled in the art.
Disclosure of Invention
The invention aims to provide a clutch suitable for a short-distance vertical take-off and landing aircraft, which is used for solving the problems in the prior art, so that the clutch can smoothly realize the transmission and the cut-off of power between a lift fan and an aircraft engine, and the flight reliability of the short-distance vertical take-off and landing aircraft is improved.
In order to achieve the purpose, the invention provides the following scheme: the invention provides a clutch suitable for a short-distance vertical take-off and landing aircraft, which comprises:
the driving unit comprises a driving shell and a driving tooth, the driving shell can be in transmission connection with an output shaft of an aircraft engine, the driving tooth is slidably arranged in the driving shell, and the reciprocating sliding direction of the driving tooth relative to the driving shell is parallel to the rotating axis of the driving shell;
the driven unit comprises a driven shell and driven teeth which are connected, the driven teeth are arranged in the driven shell, and the driven shell can be in transmission connection with an input shaft of the aircraft fan;
the driving shell can be abutted against the driven shell and drives the driven shell to rotate; the driving teeth can extend into the driven shell and are matched with the driven teeth to drive the driven shell to rotate.
Preferably, the driving unit further comprises a force transmission shaft sleeve, the force transmission shaft sleeve is arranged on one side, away from the driven unit, of the driving shell, the force transmission shaft sleeve is slidably connected with the driving shell, the force transmission shaft sleeve is parallel to the axis of the driving shell relative to the sliding direction of the driving shell, one end of the driving tooth is connected with the force transmission shaft sleeve, and the other end of the driving tooth is slidably connected with the driving shell and can extend out of the driving shell.
Preferably, a first elastic part is arranged between the force transmission shaft sleeve and the driving shell, and the deformation direction of the first elastic part is parallel to the rotation axis of the driving shell.
Preferably, a second elastic piece is arranged between the driven tooth and the driven shell, the deformation direction of the second elastic piece is parallel to the rotation axis of the driving shell, and when the second elastic piece is in a free state, the end face of the driven tooth close to the driving unit is not higher than the end face of the driven shell close to the driving unit.
Preferably, the driving teeth can extend into the driven shell and be embedded with the driven teeth.
Preferably, the number of the driving teeth and the number of the driven teeth are both a plurality of, the driving teeth are uniformly distributed around the axis circumference of the driving shell, and the driven teeth are uniformly distributed around the axis circumference of the driven shell.
Preferably, the tooth shapes of the driving tooth and the driven tooth are both trapezoidal.
Preferably, the abutting end surfaces of the driving shell and the driven shell are provided with friction layers, and the friction layers are made of high-friction-coefficient materials.
Preferably, the driving unit further comprises a driving end cover, and the driving end cover is arranged on one side, far away from the driving shell, of the force transmission shaft sleeve; the force transmission shaft sleeve comprises a sliding part and a connecting part which are connected, the sliding part is connected with the driving shell in a sliding mode, the driving end cover penetrates through the connecting part and is connected with the driving shell, and the diameter of the connecting part is smaller than that of the sliding part; the active end cover is detachably connected with the active shell;
the driven unit further comprises a driven end cover, the driven end cover is arranged on one side, away from the driving unit, of the driven shell, the driven teeth are connected with the driven end cover, and the driven end cover is detachably connected with the driven shell.
Preferably, the initiative casing is connected with first shift fork, first shift fork can drive the initiative unit is along being on a parallel with the direction motion of initiative casing axis, the biography power shaft sleeve is connected with the second shift fork, the second shift fork can drive the biography power shaft sleeve for the motion of initiative casing.
Compared with the prior art, the invention has the following technical effects: the clutch suitable for the short-distance vertical take-off and landing aircraft comprises a driving unit and a driven unit, wherein the driving unit comprises a driving shell and driving teeth, the driving shell can be in transmission connection with an output shaft of an aircraft engine, the driving teeth are slidably arranged in the driving shell, and the reciprocating sliding direction of the driving teeth relative to the driving shell is parallel to the rotating axis of the driving shell; the driven unit comprises a driven shell and driven teeth which are connected, the driven teeth are arranged in the driven shell, and the driven shell can be in transmission connection with an input shaft of the aircraft fan; the driving shell can be abutted against the driven shell and drives the driven shell to rotate; the driving tooth can extend into the driven shell and is matched with the driven tooth to drive the driven shell to rotate.
The clutch suitable for the short-distance vertical take-off and landing aircraft comprises a driving unit and a driven unit, wherein a driving shell can abut against a driven shell, the driving unit drives the driven unit to synchronously rotate, and the driving shell and the driven shell are in a relative static state, so that power transmission in a low-power state is realized; when the output power of the aircraft engine is increased, the driving shell and the driven shell rotate relatively, when the output power of the aircraft engine is increased to a certain degree, the driving teeth stretch into the driven shell, and the driving teeth and the driven teeth are matched to drive the driven shell to rotate so as to transmit high-power. When the power transmission is cut off, the driving shell is separated from the driven shell, and the power transmission is cut off. The clutch applicable to the short-distance vertical take-off and landing aircraft can meet the requirements of vertical take-off and landing of the aircraft.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic cross-sectional view of a clutch suitable for use in a short-range VTOL aircraft in accordance with the present invention;
FIG. 2 is a schematic illustration of a disassembled structure of an active unit of the clutch of the present invention suitable for use in a short-range VTOL aircraft;
FIG. 3 is a schematic illustration of a disassembled structure of a driven unit of the clutch suitable for use in a short-range VTOL aircraft according to the present invention;
FIG. 4 is a sectional view of the active housing of the clutch for a short-range VTOL aircraft according to the present invention;
FIG. 5 is a schematic structural diagram of an active end cap of a clutch suitable for use in a short-range VTOL aircraft in accordance with the present invention;
FIG. 6 is a schematic diagram of a force-transmitting sleeve of a clutch suitable for use in a short-range VTOL aircraft according to the present invention;
FIG. 7 is a schematic end view of the driven housing of the clutch of the present invention adapted for use with a short-range VTOL aircraft;
FIG. 8 is a schematic structural view of another end face of the driven housing of the clutch of the present invention adapted for use with a short-range VTOL aircraft;
FIG. 9 is a schematic structural view of a driven tooth and a second resilient member of the clutch of the present invention for use in a short-range VTOL aircraft;
FIG. 10 is a schematic view of the driving tooth of the clutch of the present invention for use in a short-range VTOL aircraft;
FIG. 11 is a schematic diagram illustrating the operation of the clutch of the present invention for use with a short-range VTOL aircraft;
the driving unit comprises a driving unit 1, a driving shell 101, a driving tooth 102, a force transmission shaft sleeve 103, a first elastic part 104, a driving end cover 105, a first shifting fork 106, a second shifting fork 107, a driven unit 2, a driven shell 201, a driven tooth 202, a second elastic part 203 and a driven end cover 204.
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.
The invention aims to provide a clutch suitable for a short-distance vertical take-off and landing aircraft, which is used for solving the problems in the prior art, so that the clutch can smoothly realize the transmission and the cut-off of power between a lift fan and an aircraft engine, and the flight reliability of the short-distance vertical take-off and landing aircraft is improved.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Referring to fig. 1 to 11, fig. 1 is a schematic sectional view illustrating a clutch for a short-distance vtol aircraft according to the present invention, fig. 2 is a schematic sectional view illustrating a driving unit of the clutch for a short-distance vtol aircraft according to the present invention, fig. 3 is a schematic sectional view illustrating a driven unit of the clutch for a short-distance vtol aircraft according to the present invention, fig. 4 is a schematic sectional view illustrating a driving housing of the clutch for a short-distance vtol aircraft according to the present invention, fig. 5 is a schematic structural view illustrating a driving end cap of the clutch for a short-distance vtol aircraft according to the present invention, fig. 6 is a schematic structural view illustrating a force transmitting sleeve of the clutch for a short-distance vtol aircraft according to the present invention, and fig. 7 is a schematic structural end view illustrating a driven housing of the clutch for a short-distance vtol aircraft according to the present invention, fig. 8 is another end view schematically illustrating the structure of the driven housing of the clutch for the short-distance vtol aircraft according to the present invention, fig. 9 is a structure of the driven teeth and the second elastic member of the clutch for the short-distance vtol aircraft according to the present invention, fig. 10 is a structure of the driving teeth of the clutch for the short-distance vtol aircraft according to the present invention, and fig. 11 is a schematic operation process of the clutch for the short-distance vtol aircraft according to the present invention.
The invention provides a clutch suitable for a short-distance vertical take-off and landing airplane, which comprises a driving unit 1 and a driven unit 2, wherein the driving unit 1 comprises a driving shell 101 and driving teeth 102, the driving shell 101 can be in transmission connection with an output shaft of an airplane engine, the driving teeth 102 can be slidably arranged in the driving shell 101, and the reciprocating sliding direction of the driving teeth 102 relative to the driving shell 101 is parallel to the rotating axis of the driving shell 101; the driven unit 2 comprises a driven shell 201 and driven teeth 202 which are connected, the driven teeth 202 are arranged in the driven shell 201, and the driven shell 201 can be in transmission connection with an input shaft of an airplane fan; the driving shell 101 can abut against the driven shell 201 and drive the driven shell 201 to rotate; the driving teeth 102 can extend into the driven housing 201 and cooperate with the driven teeth 202 to drive the driven housing 201 to rotate.
The clutch suitable for the short-distance vertical take-off and landing aircraft comprises a driving unit 1 and a driven unit 2, wherein a driving shell 101 can abut against a driven shell 201, the driving unit 1 drives the driven unit 2 to synchronously rotate, the driving shell 101 and the driven shell 201 are in a relative static state, and power transmission in a low-power state is realized; when the output power of the aircraft engine is increased, the driving shell 101 and the driven shell 201 rotate relatively, when the output power of the aircraft engine is increased to a certain degree, the driving teeth 102 extend into the driven shell 201, and the driving teeth 102 and the driven teeth 202 are matched to drive the driven shell 201 to rotate so as to transmit high-power. When the power transmission is cut off, the driving housing 101 is separated from the driven housing 201, and the power transmission is cut off. The clutch applicable to the short-distance vertical take-off and landing aircraft can meet the requirements of vertical take-off and landing of the aircraft.
The driving unit 1 further comprises a force transmission shaft sleeve 103, the force transmission shaft sleeve 103 is arranged on one side, far away from the driven unit 2, of the driving shell 101, the force transmission shaft sleeve 103 is connected with the driving shell 101 in a sliding mode, the sliding direction of the force transmission shaft sleeve 103 relative to the driving shell 101 is parallel to the axis of the driving shell 101, one end of the driving tooth 102 is connected with the force transmission shaft sleeve 103, the other end of the driving tooth 102 is connected with the driving shell 101 in a sliding mode and can extend out of the driving shell 101, after the output power of the aircraft engine is increased, the force transmission shaft sleeve 103 drives the driving tooth 102 to extend out of the driving shell 101, the driving tooth 102 is matched with the driven tooth 202 to complete power transmission, and the driving shell 101 drives the driven shell 201 to rotate again.
In this embodiment, a first elastic member 104 is disposed between the force transmission sleeve 103 and the driving housing 101, a deformation direction of the first elastic member 104 is parallel to a rotation axis of the driving housing 101, and the first elastic member 104 plays a role of damping vibration and, in addition, can also play a role of rapidly resetting the driving tooth 102. The first elastic member 104 can be selected from a spring, and is sleeved outside the driving tooth 102, so that the installation is convenient.
Correspondingly, a second elastic piece 203 is arranged between the driven tooth 202 and the driven shell 201, the deformation direction of the second elastic piece 203 is parallel to the rotation axis of the driving shell 101, and when the second elastic piece 203 is in a free state, the end surface of the driven tooth 202 close to the driving unit 1 is not higher than the end surface of the driven shell 201 close to the driving unit 1. The spring can also be selected as the second elastic member 203, when the driving housing 101 abuts against the driven housing 201 and generates relative rotation, the force transmission shaft sleeve 103 is utilized to drive the driving tooth 102 to extend into the driven housing 201, and due to the relative rotation of the driving housing 101 and the driven housing 201, the position of the driving tooth 102 when entering the driven housing 201 is not the position matched with the driven tooth 202, at this time, the driven tooth 202 can compress the second elastic member 203, so that a space is reserved for the driving tooth 102 to extend into the driven housing 201, and meanwhile, the driven tooth 202 prepares for being matched with the driving tooth 102.
Specifically, the driving teeth 102 can extend into the driven housing 201 and engage with the driven teeth 202, so as to smoothly drive the driven unit 2 to rotate along with the driving unit 1. It should be noted that, in other embodiments of the present invention, the driving tooth 102 and the driven tooth 202 are engaged with each other to complete power transmission, and a manner that the driving tooth 102 is connected to the driven tooth 202 or the driving tooth 102 and the driven tooth 202 are abutted to each other to complete power transmission may also be adopted.
More specifically, the number of the driving teeth 102 and the driven teeth 202 is multiple, the driving teeth 102 are uniformly distributed around the axis of the driving shell 101 in the circumferential direction, the driven teeth 202 are uniformly distributed around the axis of the driven shell 201 in the circumferential direction, the driving teeth 102 extend into the driven shell 201, the driving teeth 102 extend into the driven teeth 202 to be embedded, and then the driving unit 1 and the driven unit 2 are synchronously rotated.
In this embodiment, the tooth shapes of the driving tooth 102 and the driven tooth 202 are both trapezoidal, so as to improve the transmission efficiency, and in practical applications, the shapes and the numbers of the driving tooth 102 and the driven tooth 202 may be set according to specific working conditions.
It should be further emphasized that the abutting end faces of the driving shell 101 and the driven shell 201 are both provided with a friction layer, the friction layer is made of a material with a high friction coefficient, and the friction layer is arranged to increase the friction coefficient between the abutting end faces of the driving shell 101 and the driven shell 201, so that the driving shell 101 can smoothly drive the driven shell 201 to synchronously rotate.
Further, the driving unit 1 further includes a driving end cap 105, and the driving end cap 105 is disposed on a side of the force transmission sleeve 103 away from the driving housing 101; the force transmission shaft sleeve 103 comprises a sliding part and a connecting part which are connected, the sliding part is connected with the driving shell 101 in a sliding mode, the driving end cover 105 penetrates through the connecting part and is connected with the driving shell 101, and the diameter of the connecting part is smaller than that of the sliding part; the active end cap 105 is detachably connected with the active housing 101; the sliding part of the force transmission shaft sleeve 103 is connected with the driving shell 101 in a sliding mode, one end, far away from the driven unit 2, of the driving tooth 102 is connected with the force transmission shaft sleeve 103, the purpose that the driving tooth 102 is driven to slide back and forth relative to the driving shell 101 can be achieved by sliding the force transmission shaft sleeve 103 relative to the driving shell 101, the driving end cover 105 penetrates through the connecting part of the force transmission shaft sleeve 103 to be connected with the driving shell 101, the limit position of the sliding part of the force transmission shaft sleeve 103 is limited, and the structural stability and reliability of the driving unit 1 are improved.
Correspondingly, the driven unit 2 further comprises a driven end cover 204, the driven end cover 204 is arranged on one side, far away from the driving unit 1, of the driven shell 201, the driven teeth 202 are connected with the driven end cover 204, in the specific embodiment, the driven teeth 202 are connected with the driven end cover 204 through the second elastic piece 203, and the driven end cover 204 is detachably connected with the driven shell 201, so that the assembling and disassembling are convenient. It should be further noted that a groove is formed in one side, close to the driving unit 1, of the driven housing 201, a trapezoidal groove matched with the driven teeth 202 is formed in the bottom of the groove, the driven teeth 202 can extend out of the trapezoidal groove and enter the groove, a trapezoidal groove matched with the driving teeth 102 is formed in one side, close to the driven unit 2, of the driving housing 101, the driving teeth 102 can extend out of the trapezoidal groove and enter the groove of the driven housing 201 and can be smoothly embedded with the driven teeth 202, power transmission is achieved, the trapezoidal groove plays a role in guiding the driving teeth 102 and the driven teeth 202 in a reciprocating sliding mode, and working reliability of the clutch is improved. In another embodiment of the present invention, the driving end cover 105 and the driving shell 101, and the driven end cover 204 and the driven shell 201 are connected by bolts, and are fastened, so that the assembly and disassembly are convenient.
Furthermore, the driving housing 101 is connected to a first fork 106, the first fork 106 can drive the driving unit 1 to move along a direction parallel to the axis of the driving housing 101, a radial slot is formed in a side wall of the driving housing 101, the first fork 106 is connected to the driving housing 101 in an inserting manner, so as to drive the driving housing 101 to reciprocate along the axial direction, similarly, the force transmission shaft sleeve 103 is connected to a second fork 107, the second fork 107 can drive the force transmission shaft sleeve 103 to move relative to the driving housing 101, a radial slot is formed in a side wall of the force transmission shaft sleeve 103, and the second fork 107 is connected to the force transmission shaft sleeve 103 in an inserting manner, so as to drive the force transmission shaft sleeve 103 to reciprocate along the axial direction.
By utilizing the clutch applicable to the short-distance vertical take-off and landing aircraft, when the aircraft is in a take-off state, the first fork 106 drives the driving unit 1 to abut against the driven unit 2, so that the two end faces with the friction layers are contacted, so as to realize the transmission of force in a low power state, then the driving tooth 102 extends out and enters the groove of the driven shell 201 under the driving of the second shifting fork 107, the driven tooth 202 in the groove retracts after being extruded, when the input power is increased to a certain degree, the driving unit 1 and the driven unit 2 rotate relatively, the end surfaces of the driving teeth 102 and the driven teeth 202 are staggered by a certain angle and are not contacted, the driven teeth 202 are restored to the original position under the action of the second elastic member 203, and the driving teeth 102 are clamped between the two driven teeth 202 due to the restoration of the position of the driven teeth 202, so that the effect of engagement is achieved, and then high-power force transmission can be performed. When the power transmission is cut off, the driving tooth 102 is retracted to the home position by the second fork 107, and then the two friction layers are separated by the first fork 106, so that the power transmission is cut off. When the airplane needs to vertically land, the working process of the clutch is the same as the working process of the airplane during takeoff.
The principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (10)
1. A clutch suitable for a short-distance vertical take-off and landing aircraft is characterized in that: the method comprises the following steps:
the driving unit comprises a driving shell and a driving tooth, the driving shell can be in transmission connection with an output shaft of an aircraft engine, the driving tooth is slidably arranged in the driving shell, and the reciprocating sliding direction of the driving tooth relative to the driving shell is parallel to the rotating axis of the driving shell;
the driven unit comprises a driven shell and driven teeth which are connected, the driven teeth are arranged in the driven shell, and the driven shell can be in transmission connection with an input shaft of the aircraft fan;
the driving shell can be abutted against the driven shell and drives the driven shell to rotate; the driving teeth can extend into the driven shell and are matched with the driven teeth to drive the driven shell to rotate.
2. The clutch adapted for use with a short range vtol aircraft as claimed in claim 1, wherein: the driving unit further comprises a force transmission shaft sleeve, the force transmission shaft sleeve is arranged on one side, away from the driven unit, of the driving shell, the force transmission shaft sleeve is slidably connected with the driving shell, the force transmission shaft sleeve is opposite to the sliding direction of the driving shell and parallel to the axis of the driving shell, one end of the driving tooth is connected with the force transmission shaft sleeve, and the other end of the driving tooth is slidably connected with the driving shell and can be extended out of the driving shell.
3. A clutch suitable for use with a short range vtol aircraft as claimed in claim 2, wherein: a first elastic piece is arranged between the force transmission shaft sleeve and the driving shell, and the deformation direction of the first elastic piece is parallel to the rotation axis of the driving shell.
4. A clutch suitable for use with a short range vtol aircraft as claimed in claim 3, wherein: the driven gear is arranged on the driven shell, a second elastic piece is arranged between the driven gear and the driven shell, the deformation direction of the second elastic piece is parallel to the rotation axis of the driving shell, and when the second elastic piece is in a free state, the end face of the driven gear, which is close to the driving unit, is not higher than the end face of the driven shell, which is close to the driving unit.
5. The clutch adapted for use with a short range vtol aircraft as claimed in claim 1, wherein: the driving teeth can extend into the driven shell and are embedded with the driven teeth.
6. The clutch adapted for use with a short range VTOL aircraft of claim 5, wherein: the driving teeth and the driven teeth are multiple in number, the driving teeth are wound around the axis circumferential uniform distribution of the driving shell, and the driven teeth are wound around the axis circumferential uniform distribution of the driven shell.
7. The clutch adapted for use with a short range vtol aircraft as claimed in claim 6, wherein: the tooth shapes of the driving tooth and the driven tooth are both trapezoidal.
8. The clutch adapted for use with a short range vtol aircraft as claimed in claim 1, wherein: the friction layers are arranged on the abutted end faces of the driving shell and the driven shell and are made of high-friction-coefficient materials.
9. A clutch suitable for use with a short range vtol aircraft as claimed in claim 3, wherein: the driving unit further comprises a driving end cover, and the driving end cover is arranged on one side, far away from the driving shell, of the force transmission shaft sleeve; the force transmission shaft sleeve comprises a sliding part and a connecting part which are connected, the sliding part is connected with the driving shell in a sliding mode, the driving end cover penetrates through the connecting part and is connected with the driving shell, and the diameter of the connecting part is smaller than that of the sliding part; the active end cover is detachably connected with the active shell;
the driven unit further comprises a driven end cover, the driven end cover is arranged on one side, away from the driving unit, of the driven shell, the driven teeth are connected with the driven end cover, and the driven end cover is detachably connected with the driven shell.
10. A clutch suitable for use with a short range vtol aircraft as claimed in claim 2, wherein: the driving shell is connected with a first shifting fork, the first shifting fork can drive the driving unit to move along the direction parallel to the axis of the driving shell, the force transmission shaft sleeve is connected with a second shifting fork, and the second shifting fork can drive the force transmission shaft sleeve to move relative to the driving shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111226060.1A CN113864352B (en) | 2021-10-21 | 2021-10-21 | Clutch suitable for short-distance vertical take-off and landing aircraft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111226060.1A CN113864352B (en) | 2021-10-21 | 2021-10-21 | Clutch suitable for short-distance vertical take-off and landing aircraft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113864352A true CN113864352A (en) | 2021-12-31 |
| CN113864352B CN113864352B (en) | 2023-10-24 |
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| GB612880A (en) * | 1946-06-04 | 1948-11-18 | James Robert Anderson | Improvements in or relating to aircraft |
| JPS59155630A (en) * | 1983-02-25 | 1984-09-04 | Honda Motor Co Ltd | Tortional-vibration absorbing apparatus in power transmission system for vehicle |
| CA1190872A (en) * | 1981-04-24 | 1985-07-23 | Richard L. Smirl | Fluid cooled clutch |
| RU2238193C2 (en) * | 1998-09-09 | 2004-10-20 | Лук Ламеллен Унд Купплюнгсбау Бетайлигунгс Кг | Drive |
| CN200949609Y (en) * | 2006-09-19 | 2007-09-19 | 张坤 | Friction clutch |
| JP2009002421A (en) * | 2007-06-21 | 2009-01-08 | Canon Inc | Power transmitting device |
| JP2010096274A (en) * | 2008-10-16 | 2010-04-30 | Toyota Motor Corp | Operating mechanism of mesh type gear transmission |
| CN204371979U (en) * | 2014-12-16 | 2015-06-03 | 四川兆润摩托车制造有限公司 | A kind of engine for motorcycle clutch |
| WO2016171227A1 (en) * | 2015-04-23 | 2016-10-27 | アイシン・エーアイ株式会社 | Transmission |
| CN205780435U (en) * | 2016-06-01 | 2016-12-07 | 成都金海液压机具制造有限责任公司 | A kind of hydraulic clutch and clutch assembly |
| US20170088283A1 (en) * | 2015-09-30 | 2017-03-30 | Brp-Powertrain Gmbh & Co. Kg | Aircraft propeller drive system |
| JP2018053997A (en) * | 2016-09-28 | 2018-04-05 | 本田技研工業株式会社 | Power transmission device |
| JP2018154206A (en) * | 2017-03-16 | 2018-10-04 | トヨタ自動車株式会社 | Four-wheel-drive vehicular control apparatus |
| US20200130821A1 (en) * | 2018-10-29 | 2020-04-30 | Pratt & Whitney Canada Corp. | Aircraft engine with clutch and mechanical lock |
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2021
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Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB612880A (en) * | 1946-06-04 | 1948-11-18 | James Robert Anderson | Improvements in or relating to aircraft |
| CA1190872A (en) * | 1981-04-24 | 1985-07-23 | Richard L. Smirl | Fluid cooled clutch |
| JPS59155630A (en) * | 1983-02-25 | 1984-09-04 | Honda Motor Co Ltd | Tortional-vibration absorbing apparatus in power transmission system for vehicle |
| RU2238193C2 (en) * | 1998-09-09 | 2004-10-20 | Лук Ламеллен Унд Купплюнгсбау Бетайлигунгс Кг | Drive |
| CN200949609Y (en) * | 2006-09-19 | 2007-09-19 | 张坤 | Friction clutch |
| JP2009002421A (en) * | 2007-06-21 | 2009-01-08 | Canon Inc | Power transmitting device |
| JP2010096274A (en) * | 2008-10-16 | 2010-04-30 | Toyota Motor Corp | Operating mechanism of mesh type gear transmission |
| CN204371979U (en) * | 2014-12-16 | 2015-06-03 | 四川兆润摩托车制造有限公司 | A kind of engine for motorcycle clutch |
| WO2016171227A1 (en) * | 2015-04-23 | 2016-10-27 | アイシン・エーアイ株式会社 | Transmission |
| US20170088283A1 (en) * | 2015-09-30 | 2017-03-30 | Brp-Powertrain Gmbh & Co. Kg | Aircraft propeller drive system |
| CN205780435U (en) * | 2016-06-01 | 2016-12-07 | 成都金海液压机具制造有限责任公司 | A kind of hydraulic clutch and clutch assembly |
| JP2018053997A (en) * | 2016-09-28 | 2018-04-05 | 本田技研工業株式会社 | Power transmission device |
| JP2018154206A (en) * | 2017-03-16 | 2018-10-04 | トヨタ自動車株式会社 | Four-wheel-drive vehicular control apparatus |
| US20200130821A1 (en) * | 2018-10-29 | 2020-04-30 | Pratt & Whitney Canada Corp. | Aircraft engine with clutch and mechanical lock |
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|---|---|
| CN113864352B (en) | 2023-10-24 |
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