CN207129145U - A kind of unpowered spin rotor deceleration device - Google Patents
A kind of unpowered spin rotor deceleration device Download PDFInfo
- Publication number
- CN207129145U CN207129145U CN201721134163.4U CN201721134163U CN207129145U CN 207129145 U CN207129145 U CN 207129145U CN 201721134163 U CN201721134163 U CN 201721134163U CN 207129145 U CN207129145 U CN 207129145U
- Authority
- CN
- China
- Prior art keywords
- rotor
- blade
- connecting bracket
- rotor seat
- seat
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a kind of unpowered spin rotor deceleration device, including rotor holder assembly, connecting bracket, upper end cover, wherein：The rotor holder assembly includes blade, rotor seat, rotor seat gland, bearing, bearing pin, the blade upper end is provided with through hole, the blade connects rotor seat by the bearing pin through through hole, the bearing is located in rotor seat, rotor seat gland is connected on the rotor seat, the bearing pin is provided with blade device for opening；Described connecting bracket one end and the brearing bore of rotor holder assembly coordinate, the external cylinder for being used to suspend of the other end；The upper end cover end face is connected with connecting bracket, and other end is used for external lampshade and illuminator.The utility model is constructed due to the air force of blade itself, blade can adjust out cabin posture after opening under airflow function and drive rotor seat to rotate, deceleration, pose adjustment effect are played, package unit meets mark bullet to center of gravity, deceleration, the requirement of pose adjustment.
Description
Technical field
It the utility model is related to navigation light technical field, and in particular to a kind of unpowered spin rotor deceleration device.
Background technology
With the needs of the task of search and rescue, it is badly in need of launching positioning mark bullet at a kind of supporting night, (is thrown with meeting that high-altitude is launched
Put 2000~5000m of height) mission requirements.Existing mark bullet is mainly equipped with parachute deceleration and realizes dispensing positioning, this kind of mode
It is primarily adapted for use in low latitude and launches (release altitude 500m), there is after dispensing that positioning runout degree is big, parachute is difficult to open influences to throw
Phenomena such as putting survival rate.Launched for this reason, it may be necessary to redesign a kind of ways of deceleration with meeting that mark plays night waters high ejection
Demand, disclosure satisfy that positioning runout degree requirement after dispensing, should possess after dispensing from posture function after rotor deceleration and adjustment dispensing.
Utility model content
The purpose of this utility model is：For above-mentioned deceleration device positioning runout degree it is big, be difficult to open influence to launch into
The problem of motility rate, the utility model offer is a kind of to be met positioning runout degree, possesses from the unpowered of rotor reductor adjustment posture
Spin rotor deceleration device.
The technical solution adopted in the utility model is as follows：
A kind of unpowered spin rotor deceleration device, including rotor holder assembly, connecting bracket, upper end cover, wherein：
The rotor holder assembly includes blade, rotor seat, rotor seat gland, bearing, bearing pin, and the blade upper end is provided with logical
Hole, the blade connect rotor seat by the bearing pin through through hole, and the bearing is located in rotor seat, connected on the rotor seat
Rotor seat gland, the bearing pin are provided with blade device for opening；
Described connecting bracket one end and the brearing bore of rotor holder assembly coordinate, the external cylinder for being used to suspend of the other end；
The upper end cover end face is connected with connecting bracket, and other end is used for external lampshade and illuminator.
Further, the blade device for opening includes the torsion spring and torsion spring stop collar on bearing pin, the torsion spring one
End is touched with blade contact, the other end and rotor seated connection, and described torsion spring stop collar one end contacts with torsion spring, the other end and rotor seated connection
Touch.
Further, the connecting bracket uses hollow pyramidal structure, and the connecting bracket is closed using 2A12-T4 aluminium
Gold.
Further, the upper end cover takes plate-like hollow structure, and the upper end cover uses 2A12-T4 aluminium alloys.
Further, the blade uses 2A12 aluminium alloys.
Further, the upper end cover, connecting bracket are equipped with the convenient wire through for illuminator connection power supply
Through hole.
Further, the bearing is angular contact ball bearing.
In summary, by adopting the above-described technical solution, the beneficial effects of the utility model are：
In the utility model rotor holder assembly, four pieces of blades are distributed on the outside of rotor seat with symmetrical pattern, by bearing pin leaf
Piece links together with rotor seat, and blade can make 90 ° of rotary motions along bearing pin, and torsion spring applies pretightning force to blade, blade is existed
It is bonded under off working state with rotor seat circumference, when rotor seat is in running order, external force makes blade overcome the pretension of torsion spring
Power is opened.Because the air force of blade itself constructs, blade can adjust out cabin posture and band under airflow function after opening
Dynamic rotor seat rotation, plays deceleration, pose adjustment effect, and package unit meets that mark bullet is wanted to center of gravity, deceleration, pose adjustment
Ask.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the schematic diagram of rotor holder assembly of the present utility model；
Fig. 3 is the top view of rotor holder assembly of the present utility model；
Fig. 4 is the structure chart of rotor seat of the present utility model；
Fig. 5 is blade schematic diagram of the present utility model；
Fig. 6 torsion spring schematic diagrames of the present utility model；
Fig. 7 is rotor seat gland schematic diagram of the present utility model；
Fig. 8 is connecting bracket schematic diagram of the present utility model；
Fig. 9 is upper end cover schematic diagram of the present utility model；
Figure 10 is off working state schematic diagram of the present utility model；
Figure 11 is working state schematic representation of the present utility model；
Marked in figure：1- blades, 2- connecting brackets 2,3- rotors seat, 4- upper end covers, 5- illuminators, 6- lampshades, 7- wires,
8- bearing pins, 9- bearings, 11- torsion springs stop collar, 12- torsion springs, 13- cylinders.
Embodiment
Elaborated with reference to Fig. 1~11 pair the utility model.
Embodiment one：
As shown in Fig. 1~11, a kind of unpowered spin rotor deceleration device, including rotor holder assembly, connecting bracket 2, on
End cap 4, wherein：The rotor holder assembly includes blade 1, rotor seat 3, rotor seat gland, bearing 9, bearing pin 8, on the blade 1
End is provided with through hole, and the blade connects rotor seat by the bearing pin 8 through through hole, and the bearing 9 is located in rotor seat 3, described
Rotor seat gland is connected on rotor seat 3, the bearing pin 8 is provided with blade device for opening；Described one end of connecting bracket 2 and rotor seat
The inner hole of bearing 9 of component, the external cylinder 13 for being used to suspend in one end；The end face of upper end cover 4 connects with connecting bracket 2
Connect, the external lampshade 6 in other end and illuminator 5.
In the present embodiment, four pieces of blades 1 (as shown in Figure 5) are distributed on rotor seat 3 (as shown in Figure 2) outside with symmetrical pattern
Side, blade 1 and rotor seat 3 are linked together by bearing pin 8, blade 1 can make 90 ° of rotary motions along bearing pin 8.Such as Figure 10 and Figure 11
Shown, in off working state, blade 1 is in plumbness；In working condition, blade 1 is opened, in horizontality, blade 1 this
Quarter can rotate under airflow function.
It is supporting (as shown in Figure 1) for actual load from rotor deceleration device that this is unpowered, due to the air force of itself of blade 1
Construction, by the device for opening of blade 1, blade 1 can adjust out cabin posture after opening under airflow function and drive rotor seat 3 to revolve
Turn, play deceleration, pose adjustment effect.The external cylinder 13 for being used to suspend, the external illuminator 5, Ke Yiman in top below device
The mark requirement in sufficient night waters, package unit meet mark bullet to center of gravity, deceleration, the requirement of pose adjustment.
Embodiment two：
As a special case of embodiment one, as shown in figure 3, blade device for opening described in embodiment one includes being located at pin
Torsion spring 12 and torsion spring stop collar 11 on axle 8, described one end of torsion spring 12 contacts with blade 1, the other end contacts with rotor seat 3, institute
State that the one end of torsion spring stop collar 11 contacts with torsion spring 12, the other end contacts with rotor seat 3.
Torsion spring 12 applies pretightning force to blade 1, blade 1 is bonded (such as Fig. 2 with the circumference of rotor seat 3 in a non-operative state
It is shown), when rotor seat 3 is in running order, external force makes blade 1 overcome the pretightning force of torsion spring 12 to open.
The pretightning force of torsion spring 12 is adjusted by torsion spring stop collar 11, ensures that blade 1 can be opened normally, is realized to mark bullet
Slow down, the purpose of pose adjustment.
Embodiment three：
For the structure of further optimization rotor holder assembly, connecting bracket 2 described in embodiment one uses hollow cone knot
Structure, the connecting bracket 2 use 2A12-T4 aluminium alloys.
For the technical requirement of quality and overall center of gravity, connecting bracket 2 takes hollow cone structure (such as Fig. 8 institutes
Show), because higher to intensity requirement, therefore use 2A12-T4 aluminium alloys.
Example IV：
For the structure of further optimization rotor holder assembly, upper end cover 4 described in embodiment one takes plate-like hollow structure, institute
State upper end cover 4 and use 2A12-T4 aluminium alloys.
Because the wire of illuminator needs guiding through, therefore upper end cover 4 takes plate-like hollow structure, because higher to intensity requirement, therefore
Using 2A12-T4 aluminium alloys.
Embodiment five：
For the structure of further optimization rotor holder assembly, blade 1 described in embodiment one uses 2A12 aluminium alloys.
Blade 1 bears larger impulsive force when opening, therefore uses 2A12 aluminium alloys to be heat-treated after being molded to improve its machinery
Performance.
Embodiment six：
It is equal to upper end cover 4 described in embodiment five, connecting bracket 2 for the structure of the further optimization present apparatus, embodiment one
Provided with the convenient through hole through the wire 7 that power supply is connected for illuminator 5.By through hole, the wire 7 of illuminator 5 can smoothly lead to
Cross and be connected with power supply.Prevent wire is external from causing to damage, and internal cabling is easy to connect, classification is clear, is easy to assemble.
Embodiment seven：
For the structure of the further optimization present apparatus, embodiment one to bearing 9 described in embodiment five is angular contact ball bearing.
Because rotor holder assembly rotates in working condition around connecting bracket 2, therefore in rotor seat 3 with being connected branch
The bearing that the joint of frame 2 installs additional uses angular contact ball bearing, is fixed on and is chosen in wing seat with rotor seat gland (as shown in Figure 7),
Ensure that the spinning movement after blade opening is flexible.
It is embodiment of the present utility model as described above.The utility model is not limited to above-mentioned embodiment, anyone
The structure change made under enlightenment of the present utility model should be learnt, it is every that there is same or like skill with the utility model
Art scheme, each falls within the scope of protection of the utility model.
Claims (7)
1. a kind of unpowered spin rotor deceleration device, it is characterised in that including rotor holder assembly, connecting bracket (2), upper end cover
(4), wherein：
The rotor holder assembly includes blade (1), rotor seat (3), rotor seat gland, bearing (9), bearing pin (8), the blade
(1) upper end is provided with through hole, and the blade connects rotor seat by the bearing pin (8) through through hole, and the bearing (9) is located at rotor seat
(3) in, rotor seat gland is connected on the rotor seat (3), the bearing pin (8) is provided with blade device for opening；
Described connecting bracket (2) one end and bearing (9) inner hole of rotor holder assembly, the external cylinder for being used to suspend in one end
(13)；
Upper end cover (4) end face is connected with connecting bracket (2), the external lampshade in other end (6) and illuminator (5).
2. the unpowered spin rotor deceleration device of one kind according to claim 1, it is characterised in that the blade opens dress
Put including the torsion spring (12) and torsion spring stop collar (11) on bearing pin (8), described torsion spring (12) one end contacts with blade (1),
The other end contacts with rotor seat (3), and described torsion spring stop collar (11) one end contacts with torsion spring (12), the other end and rotor seat (3)
Contact.
3. the unpowered spin rotor deceleration device of one kind according to claim 1, it is characterised in that the connecting bracket
(2) hollow pyramidal structure is used, the connecting bracket (2) uses 2A12-T4 aluminium alloys.
4. the unpowered spin rotor deceleration device of one kind according to claim 1, it is characterised in that the upper end cover (4)
Plate-like hollow structure is taken, the upper end cover (4) uses 2A12-T4 aluminium alloys.
5. the unpowered spin rotor deceleration device of one kind according to claim 1, it is characterised in that the blade (1) is adopted
With 2A12 aluminium alloys.
6. according to a kind of any described unpowered spin rotor deceleration device of Claims 1 to 5, it is characterised in that on described
End cap (4), connecting bracket (2) are equipped with the through hole of the convenient wire (7) through for illuminator (5) connection power supply.
7. according to a kind of any described unpowered spin rotor deceleration device of Claims 1 to 5, it is characterised in that the axle
It is angular contact ball bearing to hold (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721134163.4U CN207129145U (en) | 2017-09-06 | 2017-09-06 | A kind of unpowered spin rotor deceleration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721134163.4U CN207129145U (en) | 2017-09-06 | 2017-09-06 | A kind of unpowered spin rotor deceleration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207129145U true CN207129145U (en) | 2018-03-23 |
Family
ID=61636599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721134163.4U Withdrawn - After Issue CN207129145U (en) | 2017-09-06 | 2017-09-06 | A kind of unpowered spin rotor deceleration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207129145U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107380431A (en) * | 2017-09-06 | 2017-11-24 | 郑州郑飞机电技术有限责任公司 | A kind of unpowered spin rotor deceleration device |
-
2017
- 2017-09-06 CN CN201721134163.4U patent/CN207129145U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107380431A (en) * | 2017-09-06 | 2017-11-24 | 郑州郑飞机电技术有限责任公司 | A kind of unpowered spin rotor deceleration device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180323 Effective date of abandoning: 20221129 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180323 Effective date of abandoning: 20221129 |