CN106081071B - A kind of novel switch cam trigger mechanism - Google Patents
A kind of novel switch cam trigger mechanism Download PDFInfo
- Publication number
- CN106081071B CN106081071B CN201610384657.1A CN201610384657A CN106081071B CN 106081071 B CN106081071 B CN 106081071B CN 201610384657 A CN201610384657 A CN 201610384657A CN 106081071 B CN106081071 B CN 106081071B
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- CN
- China
- Prior art keywords
- electric switch
- compression bar
- switch
- locking key
- cam
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C25/00—Alighting gear
- B64C25/02—Undercarriages
- B64C25/08—Undercarriages non-fixed, e.g. jettisonable
- B64C25/10—Undercarriages non-fixed, e.g. jettisonable retractable, foldable, or the like
- B64C25/18—Operating mechanisms
- B64C25/26—Control or locking systems therefor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
- H01H3/42—Driving mechanisms, i.e. for transmitting driving force to the contacts using cam or eccentric
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Mechanisms For Operating Contacts (AREA)
Abstract
A kind of novel switch cam trigger mechanism provided by the invention, including switch, tension spring, piston rod, unlocking pressurized strut, lock housing, locking key, electric switch compression bar and electric switch bracket；Switch is fixedly mounted on electric switch bracket, and electric switch compression bar one end is connect by bolt with lock housing, and the other end is connect by tension spring with the electric switch bracket；The electric switch compression bar other end is also equipped with electric switch briquetting, and electric switch briquetting is located at below switch, for triggering switch；One compression bar idler wheel is installed in the middle part of electric switch compression bar, it is locking key below compression bar idler wheel, a locking key cam is equipped at locking key shaft, locking key cam and compression bar idler wheel cooperate, and transmit the power transmitted from locking key to compression bar idler wheel by locking key cam, electric switch briquetting is driven to trigger switch, trigger process electric switch compression bar is steadily reliable, under tension spring buffer function, to switch without impact, switch service life is greatly improved in the speed of electric switch compression bar.
Description
Technical field
The invention belongs to undercarriage technical fields, and in particular to a kind of novel switch cam trigger mechanism.
Background technique
In Aircraft landing gear system, the latch hook on housing construction is mounted on by the lock ring hook on undercarriage moving link
Firmly, so that moving link is fixed on required position.This is undercarriage down lock and the common form of uplock, cabin door lock,
It asks undercarriage and hatch door that can lock automatically using mechanical lock and is receiving upper and extended position.At the same time, undercarriage is indicating system just
Often work is equally quite important, needs accurately to provide electric signal and feeds back to related system, to show whether undercarriage and hatch door are located
It is put down or locked state in safety.Therefore micro-switch switch is widely used in indicating locking and the unlocking shape of mechanical lock mechanism
State.
In general, mechanical lock unlocking mechanism is by lock housing, latch hook, locking key, unlocking pressurized strut, extension spring, rocker arm, electric switch
The composition such as compression bar and the micro-switch of instruction switch, electric switch compression bar is usually and locking key rocker arm is installed together.It is living when unlocking
Stopper rod, which stretches out, pushes locking key, and locking key drives the electric switch compression bar pressing triggering microswitch on rocker arm.
Since locking key and the installation of electric switch compression bar are integrated, therefore electric switch compression bar trigger process speed is suitable with piston rod speed,
Therefore the impact that this electric switch triggering mode is subject to switch is larger, influences switch life.
Summary of the invention
To be solved by this invention is existing electric switch compression bar trigger process, the impact that switch the is subject to big influence service life
Technical problem provides a kind of novel switch cam trigger mechanism, in order to improve switch when mechanical lock mechanism is unlocked
The impact being subject to.
In order to solve technical problem of the invention, the present invention is achieved by the following technical solutions：A kind of novel electric switch
Switch cam trigger mechanism, including switch 1, tension spring 2, piston rod 3, unlocking pressurized strut 4, lock housing 5, locking key 6, electric switch compression bar
7 and electric switch bracket 8；The switch 1 is fixedly mounted on electric switch bracket 8, and described 7 one end of electric switch compression bar passes through bolt and lock
Shell 5 connects, and the other end is connect by the tension spring 2 with the electric switch bracket 8；7 other end of electric switch compression bar is also equipped with electricity
Door briquetting 13, the electric switch briquetting 13 is located at 1 lower section of switch, for triggering switch 1；7 middle part of electric switch compression bar
One compression bar idler wheel 12 is installed, is locking key 6 below the compression bar idler wheel 12, is equipped with a locking key cam at 6 shaft of locking key
61, the locking key cam 61 cooperates with compression bar idler wheel 12, is transmitted by locking key cam 61 to compression bar idler wheel 12 and is transmitted from locking key 6
Power, drive electric switch briquetting 7 to trigger switch 1, trigger process electric switch compression bar 7 is steady reliable, and the speed of electric switch compression bar 7 is being drawn
Under 2 buffer function of spring, to switch 1 without impact, 1 service life of switch is greatly improved.
Preferably, 7 end of electric switch compression bar is equipped with the boss with circular hole, and described 2 one end of tension spring passes through the boss
Circular hole is connect with the electric switch compression bar 7, and 2 other end of tension spring is fixedly connected on electric switch bracket 8.
Preferably, the electric switch compression bar 7 and the locking key 6 are separated, increases by 61 knot of locking key cam at 6 shaft of locking key
Structure, while the reliability in order to guarantee the work of electric switch compression bar 7, described 7 one end of electric switch compression bar connect electric switch bracket 8 by tension spring 2,
Tension spring 2 is so that electric switch compression bar 7 remains at initial position under locked state and will not rotate.
Preferably, the locking key 6 is equipped with band oilhole axis 10 and with oil groove bushing 11, the band oilhole axis 10 and with oil groove
Bushing 11 passes through 6 inner hole of locking key, is installed by nut and gasket, the lock housing 5, electric switch bracket 8 and locking key 6 are connected to one
It rises.
Preferably, increase pump nozzle 9 at 61 shaft of locking key cam, by band oilhole axis 10 and with oil groove bushing 11,
To being lubricated at 61 shaft of locking key cam.
Preferably, the band oilhole axis 10 is carried out locking by nut and spring washer.
Preferably, the electric switch compression bar 7 is equipped with shaft 14, and the compression bar idler wheel 12 is installed on electric switch pressure by shaft 14
Among bar 7,14 end of shaft is insured with split pin.
Compared with prior art, the beneficial effect that the present invention obtains is：
A kind of novel switch cam trigger mechanism disclosed by the invention, electric switch compression bar and locking key is separated, in locking key
Increase locking key cam structure, while the reliability in order to guarantee compression bar work at shaft, electric switch compression bar one end is connected by tension spring
Electric switch bracket, tension spring is so that electric switch compression bar remains at initial position under locked state and will not rotate.To guarantee touching
A compression bar idler wheel and locking key cam engagement are installed in the power of power generation door switch, electric switch compression bar centre, and the compression bar other end installs electric switch
Briquetting.The power transmitted from locking key is transmitted to compression bar idler wheel by locking key cam, electric switch briquetting is driven to trigger switch, triggering
Process electric switch compression bar is steadily reliable, and the speed of electric switch compression bar, to switch without impact, can be mentioned greatly under tension spring buffer function
High switch service life；A kind of novel switch cam trigger mechanism disclosed by the invention, is effectively reduced failure rate, mentions
The reliability and maintainability of high switch mechanism, are greatly improved switch service life.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention.
Fig. 2 is the cam trigger mechanism schematic diagram that Fig. 1 conceals unlocking pressurized strut.
Fig. 3 is Figure 1A-A section view.
Fig. 4 is Figure 1B direction view.
Appended drawing reference：1, switch；2, tension spring；3, piston rod；4, unlocking pressurized strut；5, lock housing；6, locking key；61, it locks
Key cam；7, electric switch compression bar；8, electric switch bracket；9, pump nozzle；10, band oilhole axis；11, the oily bushing of band；12, compression bar idler wheel；13,
Electric switch briquetting；14, shaft；15, compression bar shaft.
Specific embodiment
With reference to the accompanying drawing, embodiment is described in detail.
Referring to attached drawing 1 to attached drawing 4, a kind of novel switch cam trigger mechanism, including switch 1, tension spring 2, work
Stopper rod 3, unlocking pressurized strut 4, lock housing 5, locking key 6, electric switch compression bar 7 and electric switch bracket 8；The switch 1 is fixedly mounted on electricity
On door bracket 8, described 7 one end of electric switch compression bar is connect by bolt with lock housing 5, and the other end passes through the tension spring 2 and the electric switch
Bracket 8 connects；7 other end of electric switch compression bar is also equipped with electric switch briquetting 13, and the electric switch briquetting 13 is located under switch 1
Side, for triggering switch 1；One compression bar idler wheel 12 is installed in the middle part of the electric switch compression bar 7, is below the compression bar idler wheel 12
Locking key 6 is equipped with a locking key cam 61 at 6 shaft of locking key, and the locking key cam 61 cooperates with compression bar idler wheel 12, passes through lock
Key cam 61 transmits the power transmitted from locking key 6 to compression bar idler wheel 12, and electric switch briquetting 7 is driven to trigger switch 1, trigger process
Electric switch compression bar 7 is steady reliable, and the speed of electric switch compression bar 7, to switch 1 without impact, is greatly improved under 2 buffer function of tension spring
1 service life of switch.
Further, 7 end of electric switch compression bar is equipped with the boss with circular hole, and described 2 one end of tension spring passes through the boss
Circular hole connect with the electric switch compression bar 7,2 other end of tension spring is fixedly connected on electric switch bracket 8.
Further, the electric switch compression bar 7 and the locking key 6 are separated, increases by 61 knot of locking key cam at 6 shaft of locking key
Structure, while the reliability in order to guarantee the work of electric switch compression bar 7, described 7 one end of electric switch compression bar connect electric switch bracket 8 by tension spring 2,
Tension spring 2 is so that electric switch compression bar 7 remains at initial position under locked state and will not rotate.
Further, the locking key 6 is equipped with band oilhole axis 10 and with oil groove bushing 11, the band oilhole axis 10 and with oil
Slot liner set 11 passes through 6 inner hole of locking key, is installed by nut and gasket, the lock housing 5, electric switch bracket 8 and locking key 6 are connected to one
It rises.
Further, increase pump nozzle 9 at 61 shaft of locking key cam, by band oilhole axis 10 and with oil groove bushing
11, to being lubricated at 61 shaft of locking key cam.
Further, the band oilhole axis 10 is carried out locking by nut and spring washer.
Further, the electric switch compression bar 7 is equipped with shaft 14, and the compression bar idler wheel 12 is installed on electric switch by shaft 14
Among compression bar 7,14 end of shaft is insured with split pin.
When mechanical lock mechanism is unlocked, under hydraulic oil effect, piston rod 3 stretches out for unlocking pressurized strut 4, pushes locking key 6, lock
Key 6 is rotated around band oilhole axis 10, and locking key cam 61 is driven to rotate, and locking key cam 61 connects with the compression bar idler wheel 12 on electric switch compression bar 7
It touches and up pushes it, electric switch compression bar 7 is rotated around compression bar shaft 15, and driving electric switch briquetting 13 to trigger, electric switch is dynamic to close 1.It is wherein electric
7 one end of door compression bar is connect with tension spring 2, and 2 other end of tension spring is connect with electric switch bracket 9.Door compression bar 7 remains under locked state
It will not rotate in initial position.In order to guarantee 61 functional reliability of locking key cam, increase note at 61 shaft of locking key cam
Oil nozzle 9, by band oilhole axis 10 and with oil groove bushing 11, to being lubricated at 61 shaft of locking key cam, band oilhole axis 10 passes through
Nut and spring washer carry out locking；Compression bar idler wheel 12 is installed among electric switch compression bar 7 by shaft 14, and by split pin into
Row insurance.
One of the above enumerated are only specific embodiments of the present invention.It is clear that the invention is not restricted to which above embodiments, may be used also
With there are many similar reshapings.What those skilled in the art directly can export or associate from present disclosure
All deformations, are considered as invention which is intended to be protected.
Claims (6)
1. a kind of novel switch cam trigger mechanism, it is characterised in that：Including switch（1）, tension spring（2）, piston rod
（3）, unlocking pressurized strut（4）, lock housing（5）, locking key（6）, electric switch compression bar（7）With electric switch bracket（8）；The switch（1）Gu
Dingan County is mounted in electric switch bracket（8）On, the electric switch compression bar（7）One end passes through bolt and lock housing（5）Connection, the other end pass through described
Tension spring（2）With the electric switch bracket（8）Connection；The electric switch compression bar（7）The other end is also equipped with electric switch briquetting（13）, the electricity
Door briquetting（13）Positioned at switch（1）Lower section；The electric switch compression bar（7）Middle part is installed by one compression bar idler wheel（12）, the pressure
Bar idler wheel（12）Lower section is locking key（6）, the locking key（6）A locking key cam is equipped at shaft（61）, the cam（61）With
Compression bar idler wheel（12）Cooperation.
2. a kind of novel switch cam trigger mechanism as described in claim 1, it is characterised in that：The electric switch compression bar
（7）End is equipped with the boss with circular hole, the tension spring（2）One end passes through the circular hole and the electric switch compression bar of the boss（7）Even
It connects, the tension spring（2）The other end is fixedly connected on electric switch bracket（8）On.
3. a kind of novel switch cam trigger mechanism as described in claim 1, it is characterised in that：The locking key（6）On
Equipped with band oilhole axis（10）With band oil groove bushing（11）, the band oilhole axis（10）With band oil groove bushing（11）Across locking key（6）
Inner hole is installed by nut and gasket, by the lock housing（5）, electric switch bracket（8）And locking key（6）It links together.
4. a kind of novel switch cam trigger mechanism as claimed in claim 3, it is characterised in that：The locking key cam
（61）Increase pump nozzle at shaft（9）, pass through band oilhole axis（10）With band oil groove bushing（11）, to locking key cam（61）At shaft
It is lubricated.
5. a kind of novel switch cam trigger mechanism as claimed in claim 4, it is characterised in that：The band oilhole axis
（10）It is carried out by nut and spring washer locking.
6. a kind of novel switch cam trigger mechanism as described in claim 1, it is characterised in that：The electric switch compression bar
（7）It is equipped with shaft（14）, the compression bar idler wheel（12）Pass through shaft（14）It is installed on electric switch compression bar（7）Centre, the shaft
（14）Insured with split pin end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610384657.1A CN106081071B (en) | 2016-06-02 | 2016-06-02 | A kind of novel switch cam trigger mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610384657.1A CN106081071B (en) | 2016-06-02 | 2016-06-02 | A kind of novel switch cam trigger mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106081071A CN106081071A (en) | 2016-11-09 |
| CN106081071B true CN106081071B (en) | 2018-11-27 |
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ID=57448108
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610384657.1A Active CN106081071B (en) | 2016-06-02 | 2016-06-02 | A kind of novel switch cam trigger mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106081071B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109533299B (en) * | 2018-11-30 | 2024-03-22 | 四川腾盾科技有限公司 | Trigger mechanism of unmanned aerial vehicle undercarriage wheel load switch |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1535206A (en) * | 1976-10-25 | 1978-12-13 | Westinghouse Brake & Signal | Rail vehicle trip switch devices |
| CN201745745U (en) * | 2010-07-20 | 2011-02-16 | 中国航空工业集团公司西安飞机设计研究所 | Strut lock mechanism in landing position of airplane landing gear |
| DE102010046735A1 (en) * | 2010-09-28 | 2012-03-29 | Liebherr-Aerospace Lindenberg Gmbh | Locking system and circuit device for a locking system |
| CN102442429B (en) * | 2011-12-13 | 2013-09-11 | 江西洪都航空工业集团有限责任公司 | Uplock of retractable arrester hook |
| CN102568874B (en) * | 2011-12-13 | 2014-03-26 | 江西洪都航空工业集团有限责任公司 | Electric switch trigger mechanism on actuating cylinder |
| CN204210730U (en) * | 2014-09-18 | 2015-03-18 | 中国商用飞机有限责任公司 | Landing gear uplock mechanism |
| CN204433026U (en) * | 2014-12-19 | 2015-07-01 | 成都飞机设计研究所 | A kind of hatch door is received and is put in place and lock detection device |
| CN105398568B (en) * | 2015-11-27 | 2018-08-24 | 中国航空工业集团公司沈阳飞机设计研究所 | A kind of undercarriage locking mechanism |
| CN106114825B (en) * | 2016-08-26 | 2018-08-24 | 贵州华阳电工有限公司 | The sealing landing-gear actuation handle of locking and unlocking function |
-
2016
- 2016-06-02 CN CN201610384657.1A patent/CN106081071B/en active Active
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| Publication number | Publication date |
|---|---|
| CN106081071A (en) | 2016-11-09 |
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