CN105424335A - Rotor wing operating device - Google Patents
Rotor wing operating device Download PDFInfo
- Publication number
- CN105424335A CN105424335A CN201510754001.XA CN201510754001A CN105424335A CN 105424335 A CN105424335 A CN 105424335A CN 201510754001 A CN201510754001 A CN 201510754001A CN 105424335 A CN105424335 A CN 105424335A
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- Prior art keywords
- bearing
- exciting
- rotor
- supporting disk
- inner core
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Sliding-Contact Bearings (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention discloses a rotor wing operating device, and relates to the technical field of helicopters. The device comprises a shock excitation cylinder, a test bed, a supporting seat, a shock excitation supporting disc, a central connector, an operating shaft, a rolling bearing, and a tail rotor shaft, wherein the supporting seat is fixed on the test bed, and the shock excitation supporting disc is connected with the supporting seat. Moreover, the shock excitation supporting disc can slide on the supporting seat under the action of the shock excitation cylinder. The shock excitation supporting disc is connected with the central connector through the rolling bearing, and the tail rotor shaft is hollow. Moreover, a plurality of arc segments are arranged in the peripheral direction of the tail rotor shaft. The central connector comprises an external cylinder and an internal cylinder, wherein the external cylinder and the internal cylinder are connected with each other through a partitioning plate. The plurality of arc segments on the tail rotor shaft are displaced between the external and internal cylinders of the central connector. The operating shaft is disposed in the tail rotor shaft, wherein one end of the operating shaft is connected with a rotor wing, and the other end of the operating shaft is connected with the internal cylinder of the central connector. The beneficial effects of the invention lie in that the internal cylinder of the central connector is connected with the operating shaft, and the external cylinder is connected with the shock excitation supporting disc through the rolling bearing, thereby achieving the internal operation of the rotor wing.
Description
Technical field
The present invention relates to Helicopter Technology field, be specifically related to a kind of rotor control device.
Background technology
Helicopter rotor system comprises main rotor and tail-rotor (DCB Specimen and some Novel helicopter except), has influence on the life-span of helicopter, flight quality, safety, performance and holocyclic cost of use, decides the success or failure of Project R&D.Rotor system motion and structure very complicated, so helicopter kinematic behavior, aerodynamics etc. study be the endless topic of helicopter circle.Although the hardware facility high speed development such as finite element theory, computing technique and computing machine now, can be studied by model and the problem calculating Fluid Mechanics aspect, distance real reflection rotor characteristic also has larger gap.In order to reflect the index of the aspect such as inherent characteristic, level of vibration, performance, permanance of rotor really, need to carry out full scale rotor test under stand installment state.In the certain limit that rotor model.test system requires to provide stable in power system, continue adjustable power prerequisite under, realize, to the manipulation as far as possible close to the rotor system of installment state on machine, the systems such as stage body, power, transmission, dynamometry, manipulation, data acquisition and supervision must being comprised.Rotor model.test system in the past mostly adopts outer manipulation form, adopts actuator exciting, and actuator two ends design ball pivot, upper piston bar is directly connected with propeller hub, and bottom is fixed on lift balance floating frame.
Outer control system is owing to being directly connected with the propeller hub of rotor, and close with the structure on aircraft, principle is identical, and design is got up relatively simple.But for handling the rotor system of form in some axle own, due to the restriction of testing table interface, a set of brand-new device must be designed realize handling, namely realize rotor control from actuator axle to transmission shaft in the conversion of control lever shaft, and ensure the requirement of the indexs such as the dirigibility of manipulation, reliability and degree of accuracy as far as possible, namely realize operating function to the full extent.
Summary of the invention
The invention provides a kind of rotor control device, to solve or at least to handle in the rotor described in mitigation technique background the problem at existing at least one place.
The technical solution used in the present invention is: provide a kind of rotor control device, comprises exciting cylinder, test-bed, bearing, exciting supporting disk, center sub, control lever shaft, rolling bearing and tail-rotor axle, and wherein, described bearing is fixed on test-bed; Described exciting supporting disk is loop configuration, and cylindrical circumferencial direction is separated by 180 degree and is provided with two auricles, and described exciting supporting disk is arranged on described bearing by auricle, and exciting supporting disk axially can along bearing sliding; Described center sub is provided with urceolus, inner core and dividing plate, and described urceolus is set in the outside of described inner core, and described urceolus is coaxial with described inner core, and the madial wall of described urceolus is connected by dividing plate with the lateral wall of described inner core; Described tail-rotor axle hollow, and circumferencial direction is provided with multiple arc section; Described center sub is arranged on tail-rotor axle, and the multiple arc sections on described tail-rotor axle are placed between described urceolus and described inner core; Described control lever shaft is arranged on the inside of tail-rotor axle, and one end of control lever shaft is connected with the inner core of center sub, and the other end is connected with rotor; Rolling bearing is provided with between described exciting supporting disk and described center sub; Described exciting cylinder is provided with two, and the piston rod of exciting cylinder is connected with described auricle, and under the effect of exciting cylinder, control lever shaft moves along its axis direction.
Preferably, described rotor control device also comprises bearing supporting body, described bearing supporting body is circular ring structure, described bearing supporting body is arranged between described center sub and described exciting supporting disk, gap is provided with between the cylindrical of bearing supporting body and the endoporus of described exciting supporting disk, by pinned connection between described bearing supporting body and described exciting supporting disk, and described bearing pin and described bearing supporting body are fastenedly connected, and are provided with gap between described bearing pin and described exciting supporting disk.
Preferably, described bearing pin is at least provided with 2, and described bearing pin is in the uniform setting of the circumferencial direction of bearing supporting body.
Preferably, described bearing comprises base plate and two side plates, described side plate and the machine-shaping of described base plate one, and side plate is vertical with base plate, and two side plates are parallel to each other.
Preferably, the opposite face of described two side plates is provided with copper coin, and described copper coin is fixedly connected with described side plate.
Preferably, the dividing plate on described center sub is provided with 5, and in the uniform setting of the circumferencial direction of inner core.
Preferably, described rolling bearing is angular contact bearing, and described rolling bearing is provided with 2, and installs back-to-back.
Beneficial effect of the present invention is:
Tail-rotor axle of the present invention is provided with multiple arc section at its circumferencial direction, center sub is provided with urceolus and inner core, and be connected by dividing plate between urceolus with inner core, multiple arc sections of tail-rotor axle are arranged between the urceolus of center sub and inner core, the inner core of center sub is connected with control lever shaft, urceolus is connected with exciting cylinder by exciting supporting disk, and rolling bearing is provided with between the urceolus and exciting supporting disk of center sub, exciting cylinder drives control lever shaft to move axially by center sub, achieves the interior manipulation of rotor.
The present invention is also provided with bearing supporting body between center sub and exciting supporting disk, pinned connection is passed through between exciting supporting disk and bearing supporting body, it is wringing fit between bearing pin and bearing supporting body, it is clearance fit between bearing pin and exciting supporting disk, by pinned connection, when the action of exciting cylinder can be prevented asynchronous, radial compression is caused to bearing.
Two side plate opposite faces of bearing are provided with copper coin, and copper coin is more wear-resisting, and only needs after wearing and tearing to change copper coin, and simple to operate, use cost is lower.
Accompanying drawing explanation
Fig. 1 is the front view of the rotor control device of one embodiment of the invention;
Fig. 2 is another view of the rotor control device shown in Fig. 1;
Fig. 3 is the schematic diagram of the center sub of the rotor control device shown in Fig. 1;
Fig. 4 is the schematic diagram of the bearing of the rotor control device shown in Fig. 1.
Wherein, 1-exciting cylinder, 2-test-bed, 3-bearing, 4-exciting supporting disk, 5-center sub, 6-control lever shaft, 7-rolling bearing, 8-tail-rotor axle, 9-bearing supporting body, 10-copper coin, 11-bearing pin, 31-base plate, 32-side plate, 51-urceolus, 52-inner core, 53-dividing plate.
Embodiment
For making object of the invention process, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is further described in more detail.In the accompanying drawings, same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Described embodiment is the present invention's part embodiment, instead of whole embodiments.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.Below in conjunction with accompanying drawing, embodiments of the invention are described in detail.
In describing the invention; it will be appreciated that; term " " center ", " longitudinal direction ", " transverse direction ", "front", "rear", "left", "right", " vertically ", " level ", " top ", " end " " interior ", " outward " etc. instruction orientation or position relationship be based on orientation shown in the drawings or position relationship; be only the present invention for convenience of description and simplified characterization; instead of instruction or imply indication device or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limiting the scope of the invention.
As shown in Figures 1 to 4, a kind of rotor control device, comprises exciting cylinder 1, test-bed 2, bearing 3, exciting supporting disk 4, center sub 5, control lever shaft 6, rolling bearing 7 and tail-rotor axle 8, and wherein, bearing 3 is fixed on test-bed 2; Exciting supporting disk 4 is loop configuration, and cylindrical circumferencial direction is separated by 180 degree and is provided with two auricles, and exciting supporting disk 4 is arranged on bearing 3 by auricle, and exciting supporting disk 4 axially can slide along bearing 3; Center sub 5 is provided with urceolus 51, inner core 52 and dividing plate 53, and urceolus 51 is set in the outside of described inner core 52, and urceolus 51 is coaxial with inner core 52, and the madial wall of urceolus 51 is connected by dividing plate 53 with the lateral wall of inner core 52; Tail-rotor axle 8 hollow, and circumferencial direction is provided with multiple arc section; Center sub 5 is arranged on tail-rotor axle 8, and the multiple arc sections on tail-rotor axle 8 are placed between described urceolus 51 and inner core 52; Control lever shaft 6 is arranged on the inside of tail-rotor axle, and one end of control lever shaft 6 is connected with the inner core 52 of center sub 5, and the other end is connected with rotor; Rolling bearing 7 is provided with between exciting supporting disk 4 and described center sub 5; Exciting cylinder 1 is provided with two, and the piston rod of exciting cylinder 1 is connected with described auricle, and under the effect of exciting cylinder 1, control lever shaft 6 moves along its axis direction.
In the present embodiment, also comprise bearing supporting body 9, bearing supporting body 9 is circular ring structure, bearing supporting body 9 is arranged between center sub 5 and exciting supporting disk 4, gap is provided with between the cylindrical of bearing supporting body 9 and the endoporus of exciting supporting disk 4, be connected by bearing pin 11 between bearing supporting body 9 with exciting supporting disk 4, and bearing pin 11 and bearing supporting body 9 are fastenedly connected, and are provided with gap between bearing pin 11 and exciting supporting disk 4.
In the present embodiment, bearing pin 11 is provided with 2, and bearing pin 11 is in the uniform setting of the circumferencial direction of bearing supporting body 9.
Be understandable that, the quantity of bearing pin 11 can also set according to the actual requirements.Such as, in an alternative embodiment, bearing pin 11 is provided with 4, and in the uniform setting of the circumferencial direction of bearing supporting body 9.Bearing pin 11 is at least provided with 2, and bearing pin 11 is in the uniform setting of the circumferencial direction of exciting supporting disk 9.
In the present embodiment, bearing supporting body 9 is set and is by the advantage of bearing pin 11 connection bearing supporter 9 with exciting supporting disk 4: when exciting supporting disk 4 is when the move under influence of exciting cylinder 1, if the action of two exciting cylinders 1 is asynchronous, exciting supporting disk 4 can deflect, owing to being provided with gap between bearing supporting body 9 and exciting supporting disk 4, and be clearance fit between bearing pin 11 and exciting supporting disk 4, so certain deflection can occur exciting supporting disk 4, and radial compression power can not be produced to rolling bearing.
In the present embodiment, bearing 3 comprises base plate 31 and two side plates 32, side plate 32 and the machine-shaping of base plate 31 one, and side plate 32 is vertical with base plate 31, and two side plates 32 are parallel to each other.
Be understandable that, the base plate 31 on bearing 3 and side plate 32 also can be processed into single part, and are fixed together.
In the present embodiment, the opposite face of two side plates 22 is provided with copper coin 10, copper coin 10 and side plate 22 are bolted to connection.Its advantage is: when exciting supporting disk 4 moves along its axial direction under the effect of exciting cylinder, auricle and the copper coin 10 of exciting supporting disk 4 can produce wearing and tearing, and copper sheet material is more wear-resisting, and only need after wearing and tearing to change copper coin, simple to operate, use cost is lower.
In the present embodiment, the dividing plate 53 on center sub 5 is provided with 5, and in the uniform setting of the circumferencial direction of inner core 52.Corresponding tail-rotor axle 8 is provided with 5 arc sections at circumferencial direction, in the space that the urceolus 51 on 5 arc sections difference centering joints 5 on tail-rotor axle 8, inner core 52, dividing plate 53 are formed.
Be understandable that, the dividing plate 53 on center sub 5 can at least be provided with 2, and tail-rotor axle 8 is identical with the quantity of dividing plate 53 in the quantity of the arc section of circumferencial direction.
In the present embodiment, rolling bearing 7 is angular contact bearing, and rolling bearing 7 is provided with 2, and installs back-to-back.
Finally it is to be noted: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit.Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (7)
1. a rotor control device, comprise exciting cylinder (1), test-bed (2), it is characterized in that: also comprise bearing (3), exciting supporting disk (4), center sub (5), control lever shaft (6), rolling bearing (7) and tail-rotor axle (8), wherein
Described bearing (3) is fixed on test-bed (2);
Described exciting supporting disk (4) is loop configuration, cylindrical circumferencial direction is separated by 180 degree and is provided with two auricles, described exciting supporting disk (4) is arranged on described bearing (3) by auricle, and exciting supporting disk (4) axially can slide along bearing (3);
Described center sub (5) is provided with urceolus (51), inner core (52) and dividing plate (53), described urceolus (51) is set in the outside of described inner core (52), and described urceolus (51) is coaxial with described inner core (52), the madial wall of described urceolus (51) is connected by dividing plate (53) with the lateral wall of described inner core (52);
Described tail-rotor axle (8) hollow, and circumferencial direction is provided with multiple arc section;
Described center sub (5) is arranged on tail-rotor axle (8), and the multiple arc sections on described tail-rotor axle (8) are placed between described urceolus (51) and described inner core (52);
Described control lever shaft (6) is arranged on the inside of tail-rotor axle, and one end of control lever shaft (6) is connected with the inner core (52) of center sub (5), and the other end is connected with rotor;
Rolling bearing (7) is provided with between described exciting supporting disk (4) and described center sub (5);
Described exciting cylinder (1) is provided with two, and the piston rod of exciting cylinder (1) is connected with described auricle, and under the effect of exciting cylinder (1), control lever shaft (6) moves along its axis direction.
2. rotor control device according to claim 1, it is characterized in that: also comprise bearing supporting body (9), described bearing supporting body (9) is circular ring structure, described bearing supporting body (9) is arranged between described center sub (5) and described exciting supporting disk (4), gap is provided with between the cylindrical of bearing supporting body (9) and the endoporus of described exciting supporting disk (4), be connected by bearing pin (11) between described bearing supporting body (9) with described exciting supporting disk (4), and described bearing pin (11) and described bearing supporting body (9) are fastenedly connected, gap is provided with between described bearing pin (11) and described exciting supporting disk (4).
3. rotor control device according to claim 2, is characterized in that: described bearing pin (11) is at least provided with 2, and described bearing pin (11) is in the uniform setting of circumferencial direction of bearing supporting body (9).
4. rotor control device according to claim 1, it is characterized in that: described bearing (3) comprises base plate (31) and two side plates (32), described side plate (32) and the machine-shaping of described base plate (31) one, and side plate (32) is vertical with base plate (31), two side plates (32) are parallel to each other.
5. rotor control device according to claim 4, is characterized in that: the opposite face of described two side plates (22) is provided with copper coin (10), and described copper coin (10) is fixedly connected with described side plate (22).
6. rotor control device according to claim 1, is characterized in that: the dividing plate (53) on described center sub (5) is provided with 5, and in the uniform setting of circumferencial direction of inner core (52).
7. rotor control device according to claim 1, is characterized in that: described rolling bearing (7) is angular contact bearing, and described rolling bearing (7) is provided with 2, and installs back-to-back.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510754001.XA CN105424335B (en) | 2015-11-04 | 2015-11-04 | A kind of rotor control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510754001.XA CN105424335B (en) | 2015-11-04 | 2015-11-04 | A kind of rotor control device |
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| Publication Number | Publication Date |
|---|---|
| CN105424335A true CN105424335A (en) | 2016-03-23 |
| CN105424335B CN105424335B (en) | 2018-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510754001.XA Active CN105424335B (en) | 2015-11-04 | 2015-11-04 | A kind of rotor control device |
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| CN (1) | CN105424335B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106441787A (en) * | 2016-09-30 | 2017-02-22 | 中国空气动力研究与发展中心低速空气动力研究所 | Double-rotor-wing synchronous reversing device |
| CN106525404A (en) * | 2016-11-30 | 2017-03-22 | 中国直升机设计研究所 | Tail rotor stand |
| CN106697329A (en) * | 2016-12-15 | 2017-05-24 | 哈尔滨飞机工业集团有限责任公司 | Transmission shaft adjustment method for tail rotor test |
| CN106877562A (en) * | 2017-01-20 | 2017-06-20 | 广西大学 | A kind of torsional oscillation loading device excited by eccentric motor |
| CN110470454A (en) * | 2019-09-16 | 2019-11-19 | 中国空气动力研究与发展中心低速空气动力研究所 | A kind of double propeller hub synchronization backing propeller test devices |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5309766A (en) * | 1991-06-24 | 1994-05-10 | Aerospatiale Societe Nationale Industrielle | Helicopter shaft vibration simulator |
| CN202994453U (en) * | 2012-12-25 | 2013-06-12 | 中国直升机设计研究所 | An operation matching mechanism of a rotor testing platform |
-
2015
- 2015-11-04 CN CN201510754001.XA patent/CN105424335B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5309766A (en) * | 1991-06-24 | 1994-05-10 | Aerospatiale Societe Nationale Industrielle | Helicopter shaft vibration simulator |
| CN202994453U (en) * | 2012-12-25 | 2013-06-12 | 中国直升机设计研究所 | An operation matching mechanism of a rotor testing platform |
Non-Patent Citations (3)
| Title |
|---|
| 刘守慎: "2米旋翼模型试验系统研制", 《南京航空学院学报》 * |
| 李开成等: "旋翼性能与动力学试验技术的现状与发展", 《航空科学技术》 * |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106441787A (en) * | 2016-09-30 | 2017-02-22 | 中国空气动力研究与发展中心低速空气动力研究所 | Double-rotor-wing synchronous reversing device |
| CN106441787B (en) * | 2016-09-30 | 2018-10-26 | 中国空气动力研究与发展中心低速空气动力研究所 | A kind of DCB Specimen synchronization inversion set |
| CN106525404A (en) * | 2016-11-30 | 2017-03-22 | 中国直升机设计研究所 | Tail rotor stand |
| CN106525404B (en) * | 2016-11-30 | 2018-09-07 | 中国直升机设计研究所 | A kind of tail-rotor platform |
| CN106697329A (en) * | 2016-12-15 | 2017-05-24 | 哈尔滨飞机工业集团有限责任公司 | Transmission shaft adjustment method for tail rotor test |
| CN106877562A (en) * | 2017-01-20 | 2017-06-20 | 广西大学 | A kind of torsional oscillation loading device excited by eccentric motor |
| CN110470454A (en) * | 2019-09-16 | 2019-11-19 | 中国空气动力研究与发展中心低速空气动力研究所 | A kind of double propeller hub synchronization backing propeller test devices |
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|---|---|
| CN105424335B (en) | 2018-06-05 |
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