CN109533276A - A kind of rotary lobe clamping device - Google Patents

A kind of rotary lobe clamping device Download PDF

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Publication number
CN109533276A
CN109533276A CN201811333279.XA CN201811333279A CN109533276A CN 109533276 A CN109533276 A CN 109533276A CN 201811333279 A CN201811333279 A CN 201811333279A CN 109533276 A CN109533276 A CN 109533276A
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CN
China
Prior art keywords
clamp plate
joint
lower clamp
clamping device
rotary lobe
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.)
Granted
Application number
CN201811333279.XA
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Chinese (zh)
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CN109533276B (en
Inventor
徐龙起
胡敦远
王小明
李永亮
王海云
颜亮
孔波
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China Helicopter Research and Development Institute
Original Assignee
China Helicopter Research and Development Institute
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Publication date
Application filed by China Helicopter Research and Development Institute filed Critical China Helicopter Research and Development Institute
Priority to CN201811333279.XA priority Critical patent/CN109533276B/en
Publication of CN109533276A publication Critical patent/CN109533276A/en
Application granted granted Critical
Publication of CN109533276B publication Critical patent/CN109533276B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64CAEROPLANES; HELICOPTERS
    • B64C1/00Fuselages; Constructional features common to fuselages, wings, stabilising surfaces or the like
    • B64C1/30Parts of fuselage relatively movable to reduce overall dimensions of aircraft
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64CAEROPLANES; HELICOPTERS
    • B64C27/00Rotorcraft; Rotors peculiar thereto
    • B64C27/32Rotors
    • B64C27/46Blades
    • B64C27/473Constructional features
    • B64C27/50Blades foldable to facilitate stowage of aircraft

Abstract

The application belongs to aircraft connection structure technical field, in particular to a kind of rotary lobe clamping device.Device includes: upper clamp plate component, lower clamp plate component, universal joint, support spring and lever assembly.Upper clamp plate component includes upper clamp plate and bar shaped worm gear, and upper clamp plate and bar shaped worm gear are connected;Lower clamp plate component includes lower clamp plate and cover board, and lower clamp plate is hinged by connection component and upper clamp plate, and lower clamp plate offers inner hole, and the bottom of inner hole is provided with axis rank, and cover board is arranged at the top of the inner hole of lower clamp plate;Universal joint includes upper joint and lower joint, and upper joint and lower joint are connected, and upper joint is provided with worm structure, and upper joint is arranged in the inner hole of lower clamp plate, and connect with bar shaped worm gear, and lower joint is arranged on the downside of lower clamp plate, and is arranged with support spring;Lever assembly includes control stick, and control stick and lower joint are connected.The application can be reliably clamped blade, and structure is simple, operate conveniently, reliable operation.

Description

A kind of rotary lobe clamping device
Technical field
The application belongs to aircraft connection structure technical field, in particular to a kind of rotary lobe clamping device.
Background technique
When helicopter is stored in ship deck or hangar, to reduce helicopter occupied space, lifting airscrew need to have Folder function.When naval vessel rides the sea, influenced by wave, it may appear that significantly shaking phenomenon, so as to cause helicopter paddle The shaking of leaf.
After blade shakes, it is easy to collide with housing construction, causes the damage of blade, housing construction.For avoid to blade, Housing construction collision causes to damage, and needs that folded blade is clamped and fixed.
Thus, it is desirable to have a kind of technical solution overcomes or at least mitigates at least one drawbacks described above of the prior art.
Summary of the invention
There is provided a kind of rotary lobe clamping devices for the purpose of the application, to solve of the existing technology at least one A problem.
The technical solution of the application is:
A kind of rotary lobe clamping device, comprising:
Upper clamp plate component, the upper clamp plate component include upper clamp plate and bar shaped worm gear, the upper clamp plate and the bar shaped Worm gear is connected;
Lower clamp plate component, the lower clamp plate component include lower clamp plate and cover board, the lower clamp plate by connection component with The upper clamp plate is hinged, and the lower clamp plate offers inner hole, and the bottom of the inner hole is provided with axis rank, and the cover board is arranged in institute At the top of the inner hole for stating lower clamp plate;
Universal joint, the universal joint include upper joint and lower joint, and the upper joint and the lower joint are connected, described Upper joint is provided with worm structure, and the upper joint is arranged in the inner hole of the lower clamp plate, and with the bar shaped worm gear Connection, the lower joint is arranged on the downside of the lower clamp plate, and is arranged with support spring;
Lever assembly, the lever assembly include control stick, and the control stick and the lower joint are connected.
Optionally, the upper clamp plate is connected by two the first straight pins and the bar shaped worm gear.
Optionally, gum cover is arranged on the binding face of the upper clamp plate and blade;The lower clamp plate is bonded with blade Lower gum cover is arranged on face.
Optionally, the upper surface of the upper clamp plate and the lower surface of the lower clamp plate are provided with reinforcing rib.
Optionally, the connection component includes tack axis and split pin, and described upper clamp plate one end is provided with ears structure, institute It states lower clamp plate and cooperates the split pin and the ears structure of the upper clamp plate hinged by the tack axis.
Optionally, the connection component further includes washer, and the washer is for cooperating the tack axis and the opening The assembly of pin.
Optionally, one end of the lower clamp plate offers the groove being interconnected with the inner hole of the lower clamp plate, described recessed Slot is for accommodating the bar shaped worm gear.
Optionally, the cover board is fixed at the top of the inner hole of the lower clamp plate by 5 sunk screws.
Optionally, the universal joint further includes the second straight pin and link block, and the upper joint and the lower joint are logical It crosses the link block and cooperates the second cylinder pin connection.
Optionally, the lever assembly further includes third straight pin, and the control stick passes through two third cylinders Pin is connect with the lower joint.
At least there are following advantageous effects in the application:
The rotary lobe clamping device of the application can be reliably clamped blade when blade folding is fixed, lifted, It is simple with structure, it operates conveniently, the features such as reliable operation.
Detailed description of the invention
Fig. 1 is the schematic diagram of the rotary lobe clamping device of one embodiment of the application;
Fig. 2 is the explosive view of the rotary lobe clamping device of one embodiment of the application;
Fig. 3 is the structural schematic diagram of the bar shaped worm gear of the rotary lobe clamping device of one embodiment of the application;
Fig. 4 is the universal joint of the rotary lobe clamping device of one embodiment of the application and the assembly of lower clamp plate component Figure;
Fig. 5 is the rotary lobe clamping device working state figure of one embodiment of the application;
Fig. 6 is the working principle diagram of the rotary lobe clamping device of one embodiment of the application.
Wherein:
10- upper clamp plate component;11- upper clamp plate;The upper gum cover of 12-;13- bar shaped worm gear;The first straight pin of 14-;20- lower clamp plate Component;21- sunk screw;22- cover board;Gum cover under 23-;24- lower clamp plate;30- universal joint;The upper joint of 31-;The second cylinder of 32- Pin;Joint under 33-;34- link block;40- support spring;50- lever assembly;51- third straight pin;52- control stick;60- Connection component;61- tack axis;62- washer;63- split pin;70- housing construction;71- blade;72- auxiliary rod;73- cross bar.
Specific embodiment
To keep the purposes, technical schemes and advantages of the application implementation clearer, below in conjunction in the embodiment of the present application Attached drawing, technical solutions in the embodiments of the present application is further described in more detail.In the accompanying drawings, identical from beginning to end or class As label indicate same or similar element or element with the same or similar functions.Described embodiment is the application A part of the embodiment, instead of all the embodiments.The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to use In explanation the application, and it should not be understood as the limitation to the application.Based on the embodiment in the application, ordinary skill people Member's every other embodiment obtained without creative efforts, shall fall in the protection scope of this application.Under Face is described in detail embodiments herein in conjunction with attached drawing.
In the description of the present application, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", "front", "rear", The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute The orientation or positional relationship shown is merely for convenience of description the application and simplifies description, rather than the dress of indication or suggestion meaning It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as protecting the application The limitation of range.
1 to Fig. 6 the application is described in further details with reference to the accompanying drawing.
This application provides a kind of rotary lobe clamping devices, as shown in Figure 1, comprising: upper clamp plate component 10, lower clamp plate Component 20, universal joint 30, support spring 40 and lever assembly 50.
Specifically, as shown in Fig. 2, upper clamp plate component 10 includes upper clamp plate 11 and bar shaped worm gear 13, upper clamp plate 11 and item Shape worm gear 13 is connected.In the embodiment of the application, upper clamp plate 11 passes through two the first straight pins 14 and bar shaped worm gear 13 are connected.
Lower clamp plate component 20 includes lower clamp plate 24 and cover board 22, and lower clamp plate 24 is cut with scissors by connection component 60 and upper clamp plate 11 It connects, lower clamp plate 24 offers inner hole, and the bottom of inner hole is provided with axis rank, and cover board 22 is arranged at the top of the inner hole of lower clamp plate 24.? In the embodiment of the application, connection component 60 includes tack axis 61, washer 62 and split pin 63,11 downside of upper clamp plate One end is provided with ears structure, and lower clamp plate 24 passes through 61 Passscheiben 62 of tack axis and the ears of split pin 63 and upper clamp plate 11 Structure is hinged, realizes the installation of lower clamp plate 24 and upper clamp plate 11.One end of lower clamp plate 24 offers the inner hole phase with lower clamp plate 24 Intercommunicated groove, groove is for accommodating bar shaped worm gear 13.Cover board 22 is fixed on the interior of lower clamp plate 24 by 5 sunk screws 21 At the top of hole.
Further, the interconnecting piece of the ears structure of the bar shaped worm gear 13 in the present embodiment and upper clamp plate 11 extended connects It connects.As shown in figure 3, bar shaped worm gear 13 is a part of round worm gear, right end is in arc-shaped, and the center of round worm gear is located at tack On the axis of axis 61, when upper clamp plate 11 is around the axis rotation of tack axis 61, the motion profile of 13 right end of bar shaped worm gear is circular arc.
Advantageously, being arranged with gum cover 12 on the binding face of upper clamp plate 11 and blade 71 in the present embodiment;Lower clamp plate 24 With lower gum cover 23 is arranged on the binding face of blade 71.Clamping plate is assembled with gum cover using the technique of sulfidization molding, and gum cover can Effectively to avoid clamping plate from directly contacting blade 71, to avoid causing to damage to blade 71.
Advantageously, being provided with and adding in the upper surface of upper clamp plate 11 and the lower surface of lower clamp plate 24 in the present embodiment Strengthening tendons.
Universal joint 30 includes upper joint 31 and lower joint 33, and upper joint 31 is connected with lower joint 33, and upper joint 31 is arranged Have worm structure, upper joint 31 is limited in the inner hole of lower clamp plate 24 by the axis rank of the inner hole bottom of lower clamp plate 24, and with item Shape worm gear 13 is cooperatively connected, and in 24 downside of lower clamp plate, the present embodiment, universal joint 30 further includes the second cylinder for the lower setting of joint 33 Pin 32 and link block 34, upper joint 31 cooperate the second straight pin 32 to connect with lower joint 33 by link block 34.In addition, lower axle Support spring 40 is arranged on section 33.
As shown in figure 4, passing through lower gum cover 23, lower clamp plate 24, supreme joint 31 from top to bottom after universal joint 30 completes assembly After the inner hole bottom surface axis rank cooperation of lower clamp plate 24, cover board 22 is connect with lower clamp plate 24 by 5 sunk screws 21, completes ten thousand Assembly to section 30 and lower clamp plate component 20.After the assembly is completed, lower joint 33 can pass through upper 31 axis of joint to universal joint 30 Any plane intrinsic deflection, to make upper clamp plate component 10,20 relative manipulation bar assembly 50 of lower clamp plate component that can arbitrarily deflect.
Lever assembly 50 includes control stick 52, and control stick 52 is connected by two third straight pins 51 and lower joint 33.
In the present embodiment, the size between lower clamp plate component 20 and control stick 52 is less than the free height of support spring 40, To make support spring 40 be in compressive state.Support spring 40 provides support force to lower clamp plate component 20, makes lower clamp plate component 20 and 10 relative manipulation bar assembly 50 of upper clamp plate component be in equilibrium state, make operator's hand-held manipulation bar assembly 50 clamp or It unclamps simple and efficient when blade 71.
As shown in figure 5, the rotary lobe clamping device of the application, is coupled by auxiliary rod 72 and cross bar 73 On housing construction 70.Universal joint 30 is driven to rotate by swivel lever 52, upper joint 31 is worm structure, drives bar shaped worm gear 13 move up and down by axis of the center line of tack axis 61, i.e., upper clamp plate component 10 is rotated upwardly and downwardly around tack axis 61, to realize The opening and closure of 71 clamping device of blade.Bar shaped worm gear 13 and upper joint 31 collectively form worm gear mechanism, have certainly Lock function, upper clamp plate component 10, the opening of lower clamp plate component 20 and closure can only be realized by slewing maneuver bar assembly 50, be worked Reliably.
In conclusion the rotary lobe clamping device of the application is prevented by the way that upper gum cover 12, lower gum cover 23 is arranged Clamping plate 11, lower clamp plate 24 directly contact blade 71, to avoid causing to damage to blade 71;Universal joint 30 can make control stick group Part 50 can be deflected arbitrarily with respect to upper clamp plate component 10, lower clamp plate component 20, expand the opereating specification of lever assembly 50;On Joint 31 and bar shaped worm gear 13 constitute worm gear mechanism, have a self-locking function, upper clamp plate component 10, lower clamp plate component 20 Opening and closure can only be realized by slewing maneuver bar assembly 50, increase reliability;Support spring 40 make upper clamp plate component 10, under 20 relative manipulation bar assembly 50 of cleat assembly is in equilibrium state, and lever assembly 50 is made to control upper clamp plate component 10, lower clamp plate It is easy to operate when 20 opening and closing of component.
The rotary lobe clamping device of the application, fast and reliablely can clamp blade, can be used for blade folding The work such as the fixation of poststack, the lifting of blade, mechanism is simple and practical, easy to operate.
The above, the only specific embodiment of the application, but the protection scope of the application is not limited thereto, it is any Within the technical scope of the present application, any changes or substitutions that can be easily thought of by those familiar with the art, all answers Cover within the scope of protection of this application.Therefore, the protection scope of the application should be with the scope of protection of the claims It is quasi-.

Claims (10)

1. a kind of rotary lobe clamping device characterized by comprising
Upper clamp plate component (10), the upper clamp plate component (10) include upper clamp plate (11) and bar shaped worm gear (13), the upper folder Plate (11) and the bar shaped worm gear (13) are connected;
Lower clamp plate component (20), the lower clamp plate component (20) include lower clamp plate (24) and cover board (22), the lower clamp plate (24) hingedly by connection component (60) and the upper clamp plate (11), the lower clamp plate (24) offers inner hole, the inner hole Bottom is provided with axis rank, and cover board (22) setting is at the top of the inner hole of the lower clamp plate (24);
Universal joint (30), the universal joint (30) include upper joint (31) and lower joint (33), the upper joint (31) and institute It states lower joint (33) to be connected, the upper joint (31) is provided with worm structure, and the upper joint (31) is arranged in the lower clamp plate (24) it in inner hole, and is cooperatively connected with the bar shaped worm gear (13), the lower joint (33) is arranged in the lower clamp plate (24) Downside, and it is arranged with support spring (40);
Lever assembly (50), the lever assembly (50) include control stick (52), the control stick (52) and the lower axle (33) are saved to be connected.
2. rotary lobe clamping device according to claim 1, which is characterized in that the upper clamp plate (11) passes through two First straight pin (14) and the bar shaped worm gear (13) are connected.
3. rotary lobe clamping device according to claim 1, which is characterized in that the upper clamp plate (11) and blade (71) gum cover (12) are arranged on binding face;Lower gum cover is arranged on the binding face of the lower clamp plate (24) and blade (71) (23)。
4. rotary lobe clamping device according to claim 1, which is characterized in that the upper surface of the upper clamp plate (11) And the lower surface of the lower clamp plate (24) is provided with reinforcing rib.
5. rotary lobe clamping device according to claim 1, which is characterized in that the connection component (60) includes flat Head axis (61) and split pin (63), described upper clamp plate (11) one end are provided with ears structure, and the lower clamp plate (24) passes through described Tack axis (61) cooperates the split pin (63) and the ears structure of the upper clamp plate (11) hinged.
6. rotary lobe clamping device according to claim 5, which is characterized in that the connection component (60) further includes Washer (62), the washer (62) are used to cooperate the assembly of the tack axis (61) and the split pin (63).
7. rotary lobe clamping device according to claim 1, which is characterized in that open one end of the lower clamp plate (24) Equipped with the groove being interconnected with the inner hole of the lower clamp plate (24), the groove is for accommodating the bar shaped worm gear (13).
8. rotary lobe clamping device according to claim 1, which is characterized in that the cover board (22) is heavy by 5 Head screw (21) is fixed at the top of the inner hole of the lower clamp plate (24).
9. rotary lobe clamping device according to claim 1, which is characterized in that the universal joint (30) further includes Two straight pins (32) and link block (34), the upper joint (31) are matched with the lower joint (33) by the link block (34) Close the second straight pin (32) connection.
10. rotary lobe clamping device according to claim 1, which is characterized in that the lever assembly (50) is also Including third straight pin (51), the control stick (52) is connected by two third straight pins (51) and the lower joint (33) It connects.
CN201811333279.XA 2018-11-09 2018-11-09 Rotary type blade clamping device Active CN109533276B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811333279.XA CN109533276B (en) 2018-11-09 2018-11-09 Rotary type blade clamping device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811333279.XA CN109533276B (en) 2018-11-09 2018-11-09 Rotary type blade clamping device

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Publication Number Publication Date
CN109533276A true CN109533276A (en) 2019-03-29
CN109533276B CN109533276B (en) 2020-10-23

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112265636A (en) * 2020-09-23 2021-01-26 清华大学 There is oar hub device that waves radial hinge axle of restraint and has its helicopter
CN114030639A (en) * 2021-11-19 2022-02-11 中国直升机设计研究所 Helicopter blade clamping and locking device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2151798B1 (en) * 1998-01-09 2001-05-01 Lopez Jose Luis Gomez AUTOCPTERO, MOTOR AUTOMOTIVE VEHICLE, RECONVERTIBLE IN AEROMOVI L.
CN103072078A (en) * 2012-12-25 2013-05-01 陕西秦川机械发展股份有限公司 Self-adaptive clamping tool for processing blade and clamping method thereof
CN105587725A (en) * 2014-10-23 2016-05-18 崔立晶 Positioning connecting pin
CN105799902A (en) * 2016-03-14 2016-07-27 哈尔滨工程大学 Underwater vehicle vector propeller based on universal joint and worm wheel and worm combination control
CN205819538U (en) * 2016-06-06 2016-12-21 比亚迪股份有限公司 Unmanned plane

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2151798B1 (en) * 1998-01-09 2001-05-01 Lopez Jose Luis Gomez AUTOCPTERO, MOTOR AUTOMOTIVE VEHICLE, RECONVERTIBLE IN AEROMOVI L.
CN103072078A (en) * 2012-12-25 2013-05-01 陕西秦川机械发展股份有限公司 Self-adaptive clamping tool for processing blade and clamping method thereof
CN105587725A (en) * 2014-10-23 2016-05-18 崔立晶 Positioning connecting pin
CN105799902A (en) * 2016-03-14 2016-07-27 哈尔滨工程大学 Underwater vehicle vector propeller based on universal joint and worm wheel and worm combination control
CN205819538U (en) * 2016-06-06 2016-12-21 比亚迪股份有限公司 Unmanned plane

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112265636A (en) * 2020-09-23 2021-01-26 清华大学 There is oar hub device that waves radial hinge axle of restraint and has its helicopter
CN114030639A (en) * 2021-11-19 2022-02-11 中国直升机设计研究所 Helicopter blade clamping and locking device
CN114030639B (en) * 2021-11-19 2023-09-01 中国直升机设计研究所 Helicopter blade clamping and locking device

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