CN208602698U - A kind of transmission lockable mechanism and a kind of tiltrotor aircraft - Google Patents
A kind of transmission lockable mechanism and a kind of tiltrotor aircraft Download PDFInfo
- Publication number
- CN208602698U CN208602698U CN201821116996.2U CN201821116996U CN208602698U CN 208602698 U CN208602698 U CN 208602698U CN 201821116996 U CN201821116996 U CN 201821116996U CN 208602698 U CN208602698 U CN 208602698U
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- driven gear
- sliding block
- lead screw
- locking
- lockable mechanism
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Abstract
The utility model discloses a kind of transmission lockable mechanism and a kind of tiltrotor aircrafts.The transmission lockable mechanism includes lead screw, the locking sliding block with lead screw cooperation, the driving gear being fixed on lead screw and the driven gear with driving gear cooperation；Driving gear is rotated coaxially with lead screw；Driving gear has teeth portion engage with driven gear in rotation process to drive driven gear rotation predetermined angle, and disengages with driven gear, keep lead screw driving locking sliding block mobile with locking or unlock driven gear without teeth portion.The utility model is superimposed gear pair on the basis of the lead screw pair that lead screw and locking sliding block form, two kinds of functions of transmission and locking are realized by a set of mechanism, simplify structure, and only need to be equipped with driving device driving driving gear can execution, application cost is also cheaper.
Description
Technical field
The utility model relates to vehicle technology field, in particular to a kind of transmission lockable mechanism and a kind of tilting rotor fly
Row device.
Background technique
Tiltrotor aircraft is a kind of course of new aircraft that fixed wing aircraft and helicopter combine together, rotor system
System can be rotated by 90 °, can either vertically upward, the ability with pure helicopter VTOL and hovering, and had and made it
With ability is flown before similar propeller, there is the high speed cruise flight ability of fixed wing aircraft.However, existing tilting rotor
In Flight Vehicle Design, needs a sets of transmission mechanism and realize verting for rotor system, it is also necessary to there is a set of lockable mechanism to realize rotation
Wing system rotate in place after locking, therefore structure is complicated, is unfavorable for the miniaturization and lightweight of tiltrotor aircraft.
Utility model content
The problem of needing Liang Tao mechanism to realize transmission and locking in view of the prior art, proposes a kind of biography of the utility model
Dynamic lockable mechanism and a kind of tiltrotor aircraft, to overcome the above problem or at least to be partially solved the above problem.
To achieve the goals above, the utility model adopts the technical scheme that
According to the one aspect of the utility model, a kind of transmission lockable mechanism, including lead screw are provided, with lead screw cooperation
Locking sliding block, the driving gear being fixed on lead screw and the driven gear with driving gear cooperation；Driving gear and lead screw
It rotates coaxially；Driving gear has the tooth engaged with driven gear in rotation process to drive driven gear rotation predetermined angle
Portion, and disengaging with driven gear keeps lead screw driving locking sliding block mobile with locking or unlock driven gear without teeth portion.
Optionally, driving gear is fixed in the middle part of lead screw, and the threads of lead screw direction of driving gear two sides is consistent；Locking is sliding
Block includes the first sliding block that lead screw first end is arranged in and the second sliding block that lead screw second end is arranged in；Driven gear has and the
First lock position of one sliding block locking cooperation and the second lock position cooperated with the second sliding block locking.
Optionally, locking sliding block is provided with bolt, is provided with pin hole on driven gear；Locking is driven when bolt is inserted into pin hole
Gear, bolt unlock driven gear when deviating from pin hole.
Optionally, 90 ° of central angles are provided with a pin hole on driven gear.
Optionally, locking sliding block is additionally provided with connecting rod, and bolt, which is fixed by the connecting rod, to be arranged on locking sliding block.
Optionally, locking sliding block is provided with pawl, locking driven gear when pawl protrudes into the between cog of driven gear, pawl from
Driven gear is unlocked when opening the between cog of driven gear.
Optionally, transmission lockable mechanism further includes the limiting device for preventing locking sliding block from rotating.
Optionally, limiting device includes being slidably arranged in U-shaped sliding rail with lead screw U-shaped sliding rail disposed in parallel, locking sliding block
It is interior.
Optionally, limiting device includes being slidably disposed on guide rod with lead screw guide rod disposed in parallel, locking sliding block.
According to the other side of the utility model, a kind of tiltrotor aircraft is provided, tiltrotor aircraft
The rotor system of verting includes transmission lockable mechanism above-mentioned.
To sum up, the beneficial effects of the utility model are:
Gear pair is superimposed on the basis of the lead screw pair that lead screw and locking sliding block form, wherein driving gear is coaxial with lead screw
Rotation, driving gear are engaged by teeth portion with driven gear, realize gear drive, and, it is de- by no teeth portion and driven gear
It opens, so that driven gear be made to remain stationary, lead screw drives locking sliding block mobile, locking or unlock driven gear, i.e., this is practical new
Type realizes two kinds of functions of transmission and locking by a set of mechanism, simplifies structure, and only needs to be equipped with a driving dress
Set driving driving gear can execution, application cost is also cheaper.
Detailed description of the invention
Fig. 1 is the stereoscopic schematic diagram that the utility model is driven lockable mechanism embodiment；
Fig. 2 is the perspective view of the explosion that the utility model is driven lockable mechanism embodiment；
Fig. 3 is the top view that the utility model is driven lockable mechanism embodiment；
In figure, 1, lead screw；2, the first sliding block；21, the first bolt；22, first connecting rod；3, driving gear；31, teeth portion；
32, without teeth portion；4, driven gear；41, pin hole；5, the second sliding block；51, the second bolt；52, the second connecting rod；6, U-shaped sliding rail；
61, relief portion.
Specific embodiment
It is practical new to this below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer
Type embodiment is described in further detail.
The technical concept of the utility model is: it is superimposed gear pair on the basis of the lead screw pair that lead screw and locking sliding block form,
Wherein, driving gear is rotated coaxially with lead screw, and driving gear is engaged by teeth portion with driven gear, realizes gear drive, and,
It is disengaged by no teeth portion and driven gear, so that lead screw is made to drive locking sliding block mobile, locking or unlock driven gear, i.e. this reality
Two kinds of functions of transmission and locking are realized by a set of mechanism with novel, simplify structure, and only need to be equipped with a drive
Dynamic device driving driving gear can execution, application cost is also cheaper.
Fig. 1-Fig. 3 shows one embodiment of the utility model transmission lockable mechanism, wherein Fig. 1 is the utility model
It is driven the stereoscopic schematic diagram of lockable mechanism embodiment；Fig. 2 is the perspective view of the explosion that the utility model is driven lockable mechanism embodiment；
Fig. 3 is the top view that the utility model is driven lockable mechanism embodiment.
As shown in Figure 1, a kind of transmission lockable mechanism, including lead screw 1, the locking sliding block cooperated with lead screw 1 are fixed at
Driving gear 3 on lead screw 1 and the driven gear 4 with the cooperation of driving gear 3.In this practical new some embodiment, locking
Sliding block can be provided only with one, only carry out locking to a lock position of driven gear 4.And in Fig. 1-implementation shown in Fig. 3
In example, there are two the settings of locking sliding block, including the first sliding block 2 and the second sliding block 5, to two lock positions of driven gear 4 into
Row locking.
Driving gear 3 is rotated coaxially with lead screw 1.
Driving gear 3 has the tooth engaged with driven gear 4 in rotation process to drive driven gear 4 to rotate predetermined angle
Portion 31, and disengaging with driven gear 4 makes lead screw 1 drive locking sliding block mobile with locking or unlock driven gear 4 without teeth portion
32。
Since lead screw 1 and locking sliding block form lead screw pair, driving gear 3 and driven gear 4 form gear pair, and driving tooth
Wheel 3 and lead screw 1 rotate coaxially, so when driving gear 3 by teeth portion 31 engaged with driven gear 4 when, driving gear 3 drive from
Moving gear 4 rotates, and realizes gear drive, and when driving gear 3 is disengaged by no teeth portion 32 with driven gear 4, driven gear 4 is protected
Hold motionless, the drive locking sliding block movement of lead screw 1, with locking driven gear 4 or unlock driven gear 4.The transmission lock of the present embodiment
Locking mechanism has the function of transmission and locking simultaneously, and overall structure is simple, it is only necessary to which driving device drives driving gear 3
Or lead screw 1 can complete transmission and locking movement, and it is easy to use, the quantity of driving device is saved, tilting rotor is applied to
On aircraft, be conducive to save space and reduce weight, further increases the lightweight and miniaturization journey of tiltrotor aircraft
Degree.
As shown in Figure 1, driving gear 3 is fixed on 1 middle part of lead screw, and 1 hand of spiral one of lead screw of 3 two sides of driving gear
It causes.Locking sliding block includes the first sliding block 2 that 1 first end of lead screw is arranged in and the second sliding block 5 that 1 second end of lead screw is arranged in.From
Moving gear 4 has the first lock position a cooperated with 2 locking of the first sliding block and the second locking with the cooperation of 5 locking of the second sliding block
Position b.In Fig. 1 and Fig. 3, the first lock position a of driven gear 4, which is just detached from the first sliding block 2, to be cooperated, and unlocks driven gear
4。
In the present embodiment, locking sliding block is provided with bolt, including the first bolt 21 and the second sliding block on the first sliding block 2
The second bolt 51 on 5 is provided with pin hole 41 on driven gear 4.It is locked when the first bolt 21 or the second bolt 51 insertion pin hole 41
Driven gear 4 is unlocked when only driven gear 4, the first bolt 21 or the second bolt 51 abjection pin hole 41.
Locking sliding block is additionally provided with connecting rod, including on the first connecting rod 22 and the second sliding block 5 on the first sliding block 2
Two connecting rods 52, the first bolt 21 are fixed on the first sliding block 2 by first connecting rod 22, and the second bolt 51 passes through second
Connecting rod 52 is fixed on the second sliding block 5.
In the present embodiment, driving gear 3 drives driven gear 4 to rotate 90 ° by the engagement of teeth portion 31, is verted with adapting to meet
The rotor of rotor craft switches between horizontal and vertical direction.For the ease of assembly, and keep the flat of driven gear 4
It weighs, the central angle on driven gear 4 every 90 ° is just provided with a pin hole 41.
Illustrate the working principle of the present embodiment with Fig. 1 and embodiment illustrated in fig. 3:
In the present embodiment, the first lock position a of driven gear 4 corresponds to initial 0 ° of position, is provided with a pin hole 41, driven
The corresponding 90 ° of positions second lock position b of gear 4, are provided with another pin hole 41.As shown in figures 1 and 3, driven gear 4 at this time
The first lock position a be just detached from and cooperate with the first sliding block 2, the pin hole of the first bolt 21 the first lock position a of abjection just
41, it is at this time the initial position of driven gear 4.
Rotate driving gear 3 in the direction of the arrow at this time, driving gear 3 starts to nibble with driven gear 4 just by teeth portion 31
It closes, driven gear 4 starts turning, and far from driven gear 4 under the drive of lead screw 1, the second sliding block 5 drives the first sliding block 2 in lead screw 1
Lower close driven gear 4, but the second bolt 51 is kept not interfere driven gear 4, this stage is transmission stage.
When driving gear 3 continues to rotate, after causing teeth portion 31 to disengage just with driven gear 4, driving gear 3 passes through anodontia
Portion 32 keeps disengaging with driven gear 4, and the holding of driven gear 4 does not turn, and the second sliding block 5 continues under the drive of lead screw 1 close to driven
Gear 4, the second bolt 51 is just aligned with the pin hole 41 of the second lock position b, and gradually gos deep into the pin hole, so that driven gear
4 enter the locking stage herein, are locked in relative initial position and vert on 90 ° of final position (i.e. corresponding second lock position
b)。
Driving gear 3 is rotated backward, realizes that driven gear 4 becomes drive state from lockup state in the same manner, then become
For the process of lockup state, so that driven gear 4 is tilted to initial position from final position, repeat no more.
In the other embodiments of the utility model, locking sliding block be may be arranged as: locking sliding block is provided with pawl, spine
Locking driven gear 4 when pawl protrudes into the between cog of driven gear 4, pawl unlock driven gear 4 when leaving the between cog of driven gear 4.
Certainly, the locking sliding block of other structures can also be applied to the utility model, and numerous to list herein, those skilled in the art pass through
The technical solution that simple deformation obtains all should be among the protection scope of the utility model.
In the present embodiment, which further includes the limiting device for preventing locking sliding block from rotating.Limit dress
It sets and locking sliding block is prevented to rotate, to guarantee that the first bolt 21 and the second bolt 51 are aligned with corresponding pin hole 41.
As shown in Figure 1 to Figure 3, limiting device includes and the U-shaped sliding rail 6 disposed in parallel of lead screw 1, including 2 He of the first sliding block
The locking sliding block of second sliding block 5 is slidably arranged in U-shaped sliding rail 6, to realize rotary spacing by U-shaped sliding rail 6.Such as Fig. 1 to Fig. 3
Shown, the middle part of U-shaped sliding rail 6 is additionally provided with the relief portion 61 of evacuation driving gear 3.
In the other embodiments of the utility model, limiting device be may be arranged as: including disposed in parallel with lead screw 1
Guide rod, locking sliding block is slidably disposed on guide rod, to realize rotary spacing by guide rod.Certainly, the limit of other structures
Position device can also be applied to the utility model, numerous to list herein, the skill that those skilled in the art are obtained by simple deformation
Art scheme all should be among the protection scope of the utility model.
The invention also discloses a kind of tiltrotor aircraft, the rotor of the tiltrotor aircraft verts system packet
Transmission lockable mechanism any one of as above is included, to realize verting for rotor by the transmission lockable mechanism.
Above description is only a specific implementation of the present invention, under the above-mentioned introduction of the utility model, this field
Technical staff can carry out other improvement or deformation on the basis of the above embodiments.It will be understood by those skilled in the art that
Above-mentioned specific descriptions only preferably explain the purpose of this utility model, and the protection scope of the utility model should be with claim
Protection scope subject to.
Claims (10)
1. a kind of transmission lockable mechanism, which is characterized in that including lead screw, the locking sliding block cooperated with the lead screw, fixed setting
Driving gear on the lead screw and the driven gear with driving gear cooperation；
The driving gear is rotated coaxially with the lead screw；
The driving gear, which has, to be engaged in rotation process with the driven gear to drive the driven gear rotation preset angle
The teeth portion of degree, and disengaged with the driven gear, make the lead screw drive the locking sliding block mobile with locking or unlock institute
State driven gear without teeth portion.
2. transmission lockable mechanism according to claim 1, which is characterized in that
The driving gear is fixed in the middle part of the lead screw, and the threads of lead screw direction of the driving gear two sides is consistent；
The locking sliding block includes the first sliding block that the lead screw first end the is arranged in and lead screw second end is arranged in the
Two sliding blocks；
The driven gear have the first lock position for cooperating with the first sliding block locking and with the second sliding block locking
Second lock position of cooperation.
3. transmission lockable mechanism according to claim 1 or 2, which is characterized in that
The locking sliding block is provided with bolt, is provided with pin hole on the driven gear；The bolt is locked when being inserted into the pin hole
The only driven gear, the bolt unlock the driven gear when deviating from the pin hole.
4. transmission lockable mechanism according to claim 3, which is characterized in that
90 ° of central angles are provided with the pin hole on the driven gear.
5. transmission lockable mechanism according to claim 3, which is characterized in that
The locking sliding block is additionally provided with connecting rod, and the bolt is fixed at the locking sliding block by the connecting rod
On.
6. transmission lockable mechanism according to claim 1 or 2, which is characterized in that
The locking sliding block is provided with pawl, driven gear described in locking when the pawl protrudes into the between cog of the driven gear,
The pawl unlocks the driven gear when leaving the between cog of the driven gear.
7. transmission lockable mechanism according to claim 1, which is characterized in that
The transmission lockable mechanism further includes the limiting device for preventing the locking sliding block rotation.
8. transmission lockable mechanism according to claim 7, which is characterized in that
The limiting device include with the lead screw U-shaped sliding rail disposed in parallel, the locking sliding block is slidably arranged in described U-shaped
In sliding rail.
9. transmission lockable mechanism according to claim 7, which is characterized in that
The limiting device includes being slidably disposed on described lead with lead screw guide rod disposed in parallel, the locking sliding block
On bar.
10. a kind of tiltrotor aircraft, which is characterized in that the rotor system of verting of the tiltrotor aircraft includes right
It is required that the described in any item transmission lockable mechanisms of 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821116996.2U CN208602698U (en) | 2018-07-13 | 2018-07-13 | A kind of transmission lockable mechanism and a kind of tiltrotor aircraft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821116996.2U CN208602698U (en) | 2018-07-13 | 2018-07-13 | A kind of transmission lockable mechanism and a kind of tiltrotor aircraft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208602698U true CN208602698U (en) | 2019-03-15 |
Family
ID=65668634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821116996.2U Active CN208602698U (en) | 2018-07-13 | 2018-07-13 | A kind of transmission lockable mechanism and a kind of tiltrotor aircraft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208602698U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110154077A (en) * | 2019-05-22 | 2019-08-23 | 温州大学 | Self-adapting flexible mechanical paw |
| CN110887254A (en) * | 2019-11-29 | 2020-03-17 | 包红喜 | Solar water heater with high safety and reliability and adjusting function |
| CN113830294A (en) * | 2020-06-23 | 2021-12-24 | 北京航空航天大学 | Aircraft adsorption equipment |
-
2018
- 2018-07-13 CN CN201821116996.2U patent/CN208602698U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110154077A (en) * | 2019-05-22 | 2019-08-23 | 温州大学 | Self-adapting flexible mechanical paw |
| CN110154077B (en) * | 2019-05-22 | 2021-05-11 | 温州大学 | Self-adaptive flexible mechanical gripper |
| CN110887254A (en) * | 2019-11-29 | 2020-03-17 | 包红喜 | Solar water heater with high safety and reliability and adjusting function |
| CN113830294A (en) * | 2020-06-23 | 2021-12-24 | 北京航空航天大学 | Aircraft adsorption equipment |
| CN113830294B (en) * | 2020-06-23 | 2023-06-20 | 北京航空航天大学 | Aircraft adsorption equipment |
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