CN209190637U - A kind of pneumatic quick-release arrangement of Closely locking nut - Google Patents
A kind of pneumatic quick-release arrangement of Closely locking nut Download PDFInfo
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- CN209190637U CN209190637U CN201821610980.7U CN201821610980U CN209190637U CN 209190637 U CN209190637 U CN 209190637U CN 201821610980 U CN201821610980 U CN 201821610980U CN 209190637 U CN209190637 U CN 209190637U
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- claw
- locking nut
- connecting rod
- tool body
- closely locking
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Abstract
This application discloses a kind of pneumatic quick-release arrangements of Closely locking nut, including tool body, three claws, crank block ejector pin mechanism and end adjustment mechanism, claw, crank block ejector pin mechanism and end adjustment mechanism are sequentially arranged inside tool body, three claw inlay cards are on tool body head, grab Closely locking nut, the crank block ejector pin mechanism at claw rear portion drives claw to open and close, the front-rear position of end adjustment mechanism adjusting crank block ejector pin mechanism, realize the control of claw folding amount, tail portion is connect with pneumatic tools.
Description
Technical field
The application belongs to aircraft assembling manufacturing technical field, is related to the pneumatic of used Closely locking nut on aircraft body structure
Quick-release arrangement.
Background technique
In the connection of modern aircraft housing construction, traditional riveting form has been threaded into form substitution substantially, most represents
Property be high locked bolts, nut connection, relatively traditional type of attachment has more excellent switching performance, fatigue life and knot
Structure leakproofness, while because its fixed end taken about the point of fixation breaks neck and circular design after twisting into two parts there is higher weight efficiency and installation to imitate
Rate, the permanently connected position in housing construction are widely adopted.
With a large amount of uses of high locked bolts, nut, inevitably it is related in Aircraft Production, troubleshooting, maintenance process
To the disassembly and replacement of Closely locking nut, and majority is constructed in the small space of airframe.Because of Closely locking nut self structure
Feature, after reaching and twisting into two parts torque, cut-off neck slot fracture, six square toes ends fall off, and are only left round nut structure, and disassembly is difficult
The shortcomings that also more highlight, need to design a kind of feasible, efficient, light small and exquisite provision for disengagement and quickly torn open to meet Closely locking nut
The demand unloaded, while also to avoid that aircaft configuration surface is caused to damage in use.
Summary of the invention
The purpose of the application is to solve the above problems, and provides a kind of pneumatic quick-release arrangement of Closely locking nut, this is torn open
Handler structure it is simple, at low cost, light it is small and exquisite, using simplicity, while there is standard pneumatic tools interface, can be used pneumatic
Tool drives are able to achieve the pneumatic fast quick-detach of high speed nut.
In order to achieve the above objectives, the application uses following technical scheme:
A kind of pneumatic quick-release arrangement of Closely locking nut, including tool body, three claws, crank block ejector pin mechanism
With end adjustment mechanism, claw, crank block ejector pin mechanism and end adjustment mechanism are sequentially arranged inside tool body, and three
Claw inlay card grabs Closely locking nut on tool body head, and the crank block ejector pin mechanism at claw rear portion drives claw to open and close, end
It holds adjustment mechanism to adjust the front-rear position of crank block ejector pin mechanism, realizes the control of claw folding amount, tail portion and pneumatic work
Tool connection.Crank block ejector pin mechanism is that four-bar mechanism includes thimble and passes sequentially through the first connecting rod of pin shaft connection, the
Two connecting rods and third connecting rod, first connecting rod are connect with thimble, and flat key slot is provided on third connecting rod and flat key is housed, can be along tool master
The through-hole sliding in internal portion, end adjustment mechanism can adjust the initial position of third connecting rod, to realize claw clamping force indirectly
Adjusting；Thimble can be slided along the through-hole inside tool body, be contacted with claw tail end, for strutting three claw tail portions, and
It rotates claw around pin shaft and is engaged Closely locking nut；Second connecting rod can be rotated along third connecting rod, and handle is welded on third connecting rod,
Handle drives thimble is pulled to slide back and forth.It adjusts knob sleeve and is mounted in tool body end, and connect with third connecting rod tail portion external screw thread
It connects；Housing top cap is connect with the external screw thread of tool body end, and end opens there are three through-hole and is tapped with internal screw thread, and there are three rotations for dress
Button adjusting screw, housing top cap tail portion are equipped with standard pneumatic tools interface, drive whole dismounting device for pneumatic tools；Adjustment
Screw is for holding out against adjustment knob, to control the elastic of adjustment knob.Claw is fixed on tool body head by claw pin shaft,
Claw head is equipped with sawtooth, and for being engaged Closely locking nut, claw tail portion is contacted with the thimble of crank block ejector pin mechanism.
The application's the utility model has the advantages that the application can be used for the disassembly of Closely locking nut in aircraft body structure connection.For aircraft
The Closely locking nut dismantlement work at small space position provides a kind of pneumatic fast quick-detach of feasible Closely locking nut in housing construction
The features such as device, has that size is small, structure is simple, maintenance is easy, at low cost, using simplicity, can be with pneumatic driving, can substantially drop
Low labor intensity can effectively avoid the damage in disassembly process to aircaft configuration surface, improve product quality.
The advantages of the application, embodies as follows:
1) the used mechanical structure of the application is simple, durable, and all accessories are conveniently replaced, while the application size
It is small, it can be used at small space position in aircraft body structure；
2) the application uses the slider-crank mechanism of adjustable shelf position, and the clamping force of claw is adjusted simply, simultaneously
It is adapted to the Closely locking nut of different-diameter, significantly increases the versatility of the provision for disengagement；
3) the application, which uses, can be achieved fast-holding and self-locking to core type slider-crank mechanism, and using multistage laborsaving
Design, biggish clamping force can be exported on claw by manually applying smaller pressure on handle；
4) the application uses standard pneumatic tools interface, can significantly reduce labor intensity, together with pneumatic driving is used
When can effectively avoid damage in disassembly process to aircaft configuration surface, improve aircraft product quality.
Detailed description of the invention
The application is described in further details below with reference to attached drawing.
Fig. 1 is the overall structure diagram of the application；
Fig. 2 is the structural decomposition diagram of the application；
Fig. 3 is the principle schematic diagram under the closed state of the application；
Fig. 4 is the principle schematic diagram under the opening state of the application；
Fig. 5 is the end adjustment mechanism schematic diagram of the application；
Fig. 6 is the crank block ejector pin mechanism schematic diagram of the application.
Description of symbols: 1- test plate (panel)；2- high locked bolts；3- Closely locking nut；4- claw pin shaft；5- claw；6- tool master
Body；7- thimble；8- first connecting rod；9- handle stop screw；10- handle；11- second connecting rod；12- third connecting rod；13- flat key；
14- adjusts knob；15- housing top cap；16- adjusting screw；17- pin shaft；18- crank block ejector pin mechanism；The end 19- adjusts machine
Structure.
Specific embodiment
The application is described in further details below with reference to attached drawing.
Referring to Fig. 1-6, this application provides a kind of pneumatic quick-release arrangements of Closely locking nut, including tool body 6, three
A claw 5, crank block ejector pin mechanism 18 and end adjustment mechanism 19, claw 5, crank block ejector pin mechanism 18 and end adjustment
Mechanism 19 is sequentially arranged inside tool body 6, and three 5 inlay cards of claw grab Closely locking nut 3, claw on 6 head of tool body
The crank block ejector pin mechanism 18 at 5 rear portions drives claw 5 to open and close, and end adjustment mechanism 19 adjusts crank block ejector pin mechanism 18
Front-rear position realizes the control of 5 folding amount of claw, and tail portion is connect with pneumatic tools.Crank block ejector pin mechanism 18 is four companies
Linkage includes thimble and first connecting rod 8, second connecting rod 11 and the third connecting rod 12 for passing sequentially through the connection of pin shaft 17, and first connects
Bar 11 is connect with thimble 7, and flat key slot is provided on third connecting rod 12 and flat key 13 is housed, can be sliding along the through-hole inside tool body 6
Dynamic, end adjustment mechanism 19 can adjust the initial position of third connecting rod 12, to realize the adjusting of 5 clamping force of claw indirectly；Top
Needle 7 can be slided along the through-hole inside tool body 6, be contacted with 5 tail end of claw, for strutting three 5 tail portions of claw, and make claw
5 rotate around pin shaft and are engaged Closely locking nut 3；Second connecting rod 11 can be rotated along third connecting rod 12, be welded with hand on third connecting rod 12
Handle 10 pulls handle 10 that thimble 7 is driven to slide back and forth.Adjustment knob 14 is sleeved on 6 end of tool body, and with third connecting rod 12
The connection of tail portion external screw thread；Housing top cap 15 is connect with the external screw thread of 6 end of tool body, and end is opened there are three through-hole and is tapped with interior
Screw thread, there are three knob adjusting screw 16,15 tail portions of housing top cap to be equipped with standard pneumatic tools interface for dress, drives for pneumatic tools
Dynamic whole device；Adjusting screw 16 is for holding out against adjustment knob 14, to control the elastic of adjustment knob 14.Claw 5 passes through claw
Pin shaft 4 is fixed on 6 head of tool body, and 5 head of claw is equipped with sawtooth, for being engaged Closely locking nut 3,5 tail portion of claw and crank
The thimble 7 of slide block thimble mechanism 18 contacts.
Specific operation process is as follows:
This application provides a kind of pneumatic quick-release arrangements of Closely locking nut, need to carry out occlusion amount tune when using for the first time
It is whole: to be first shut off handle 10, handle 10 is made to contact handle stop screw 9；This pneumatic quick-release arrangement is covered in high locked bolts 2
On Closely locking nut 3 on, and make device head and install high locked bolts 21 surface of test plate (panel) develop；It can be manually rotated adjustment knob
14, so that the sawtooth of claw 5 is contacted Closely locking nut 3；Remove this pneumatic quick-release arrangement, continue to can be manually rotated adjustment knob 14 to
Suitable magnitude (, purpose is to obtain optimal occlusion amount, and subsequent use need not repeat to adjust.When normal use, it is first turned on hand
Handle 10, and this pneumatic quick-release arrangement is covered on Closely locking nut 3, it is then shut off handle 10, handle 10 is made to contact handle limit
Position screw 9, reaches self-locking state；Pneumatic tools are covered on the standard pneumatic tools interface of this pneumatic quick-release arrangement, are opened
Dynamic pneumatic tools open handle 10 after Closely locking nut is back-outed completely, are detached from the Closely locking nut removed.
The structural principle of the application:
Referring to fig. 4, the application utilizes the spy for having mechanism dead point and latching characteristics to core type crank block ejector pin mechanism 18
Point, using a variety of laborsaving designs such as thimble structure, lever principle, the reaction force that final claw 5 clamps high locked bolts 2 is applied to
The axial reaction force that thimble 7 generates when axial reduces about 95.6%, has reached operator and has applied smaller pressure on handle 10
Power can export the effect of biggish clamping force on claw 5.
The advantages of the application, embodies as follows:
1) the used mechanical structure of the application is simple, durable, and all accessories are conveniently replaced, while the application size
It is small, it can be used at small space position in aircraft body structure；
2) the application uses the slider-crank mechanism of adjustable shelf position, and the clamping force of claw is adjusted simply, simultaneously
It is adapted to the Closely locking nut of different-diameter, significantly increases the versatility of the provision for disengagement；
3) the application, which uses, can be achieved fast-holding and self-locking to core type slider-crank mechanism, and using multistage laborsaving
Design, biggish clamping force can be exported on claw by manually applying smaller pressure on handle；
4) the application uses standard pneumatic tools interface, can significantly reduce labor intensity, together with pneumatic driving is used
When can effectively avoid damage in disassembly process to aircaft configuration surface, improve aircraft product quality.
The application can be used for the disassembly of Closely locking nut in aircraft body structure connection.For small space in aircraft body structure
The Closely locking nut dismantlement work at position provides a kind of pneumatic quick-release arrangement of feasible Closely locking nut, have size it is small, knot
The features such as structure is simple, maintenance is easy, at low cost, using simplicity, can be with pneumatic driving, can be greatly reduced labor intensity, can be effective
The damage in disassembly process to aircaft configuration surface is avoided, product quality is improved.
The above content is only to illustrate the technical idea of the application, and the protection scope of the application cannot be limited with this, all to press
According to the technical idea that the application proposes, any changes made on the basis of the technical scheme each falls within the claim of this application book
Protection scope within.
Claims (4)
1. a kind of pneumatic quick-release arrangement of Closely locking nut, including tool body, three claws, crank block ejector pin mechanism and
End adjustment mechanism, it is characterised in that claw, crank block ejector pin mechanism and end adjustment mechanism are sequentially arranged at tool body
Inside, three claw inlay cards grab Closely locking nut on tool body head, and the crank block ejector pin mechanism at claw rear portion drives card
Pawl folding, end adjustment mechanism adjust the front-rear position of crank block ejector pin mechanism, realize the control of claw folding amount, tail portion
It is connect with pneumatic tools.
2. a kind of pneumatic quick-release arrangement of Closely locking nut according to claim 1, it is characterised in that the crank
Slide block thimble mechanism is that four-bar mechanism includes thimble and first connecting rod, second connecting rod and the third for passing sequentially through pin shaft connection
Connecting rod, first connecting rod are connect with thimble, and flat key slot is provided on third connecting rod and flat key is housed, can be along the through-hole inside tool body
Sliding, end adjustment mechanism can adjust the initial position of third connecting rod, to realize the adjusting of claw clamping force indirectly；Thimble can
Through-hole sliding inside tool body, contacts with claw tail end, for strutting three claw tail portions, and revolves claw around pin shaft
Turn and is engaged Closely locking nut；Second connecting rod can be rotated along third connecting rod, and handle is welded on third connecting rod, pull handle drives top
Needle slides back and forth.
3. a kind of pneumatic quick-release arrangement of Closely locking nut according to claim 1, it is characterised in that the end
Adjustment mechanism includes housing top cap, adjustment knob and knob adjusting screw, wherein adjustment knob sleeve is mounted in tool body end, and
It is connect with third connecting rod tail portion external screw thread；Housing top cap is connect with the external screw thread of tool body end, and end is opened there are three through-hole
And it is tapped with internal screw thread, there are three knob adjusting screw, housing top cap tail portions to be equipped with standard pneumatic tools interface for dress, is used for pneumatic work
Tool driving whole dismounting device；Adjusting screw is for holding out against adjustment knob, to control the elastic of adjustment knob.
4. a kind of pneumatic quick-release arrangement of Closely locking nut according to claim 1, it is characterised in that the claw
It is fixed on tool body head by claw pin shaft, claw head is equipped with sawtooth, for being engaged Closely locking nut, claw tail portion and song
The thimble of handle slide block thimble mechanism contacts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821610980.7U CN209190637U (en) | 2018-09-29 | 2018-09-29 | A kind of pneumatic quick-release arrangement of Closely locking nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821610980.7U CN209190637U (en) | 2018-09-29 | 2018-09-29 | A kind of pneumatic quick-release arrangement of Closely locking nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209190637U true CN209190637U (en) | 2019-08-02 |
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ID=67407168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821610980.7U Active CN209190637U (en) | 2018-09-29 | 2018-09-29 | A kind of pneumatic quick-release arrangement of Closely locking nut |
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| CN (1) | CN209190637U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109048753A (en) * | 2018-09-29 | 2018-12-21 | 西安飞机工业（集团）有限责任公司 | A kind of pneumatic quick-release arrangement and method for dismounting of Closely locking nut |
-
2018
- 2018-09-29 CN CN201821610980.7U patent/CN209190637U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109048753A (en) * | 2018-09-29 | 2018-12-21 | 西安飞机工业（集团）有限责任公司 | A kind of pneumatic quick-release arrangement and method for dismounting of Closely locking nut |
| CN109048753B (en) * | 2018-09-29 | 2024-07-19 | 西安飞机工业（集团）有限责任公司 | Pneumatic quick dismounting device and dismounting method for high-lock nut |
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