CN208506598U - Yaw frame for helicopter Dynamic Flight Simulator - Google Patents
Yaw frame for helicopter Dynamic Flight Simulator Download PDFInfo
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- CN208506598U CN208506598U CN201821464063.2U CN201821464063U CN208506598U CN 208506598 U CN208506598 U CN 208506598U CN 201821464063 U CN201821464063 U CN 201821464063U CN 208506598 U CN208506598 U CN 208506598U
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- girth sheets
- stiffening plate
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- yaw frame
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Abstract
The utility model discloses the yaw frames for helicopter Dynamic Flight Simulator, use muti-piece vertical bar plate strengthening form using box-frame formula designs for welding structure, inside, improve structural strength rigidity, reduce quality simultaneously；Compared with tower structure, case frame structure forms closing load, and load is more under unit mass.Compared with cast structure, can chosen material intensity it is higher, material thickness is thinner, without tissue defects, cost can be reduced, and can flexible reasonable design stiffener plate structure, structural strength rigidity is improved by partial closure's structure, while enhancing soldering reliability.Meet structural strength rigidity, light-weighted requirement；In yaw frame bottom, waist location outer patch stiffening plate structure, is conducive to the structure for reinforcing yaw frame bending part, improves stress；Be conducive to improve structural strength rigidity with least material；Counterweight is designed, entire yaw frame system mass center is fitted near shaft centerline, is required with meeting running accuracy, reduction unbalance loading vibration etc..
Description
Technical field
The utility model belongs to helicopter dynamic flying analogue technique field, and in particular to is used for helicopter dynamic flying mould
The yaw frame of quasi- device.
Background technique
Helicopter Dynamic Flight Simulator is a kind of simulation training system based on centrifugation machine platform.Sustained load can be achieved
Any Three Degree Of Freedom attitudes vibration in the space of lower pilot, easily induces a variety of spatial disorientations, can be in ground environment Imitating
A variety of exception state of flights, have reached and allow pilot's cognitive orientation obstacle, grasp the environment, the form of expression that disorientation occurs with
And conquering method.It has had more U-shaped yaw frame from structure type, provides yaw for cockpit compared with Dynamic Flight Simulator
Freedom degree.Bear the bending combined load based on tilting moment.
Announce at present patent duration overload analog capability rocker-arm flight simulator (application No. is
201510083519.5) only there is two degrees of freedom attitudes vibration in centrifugal field, that is, lack yaw freedom.And it is mentioned that U
Shape center provides roll freedom, to bear based on tensile stress caused by centrifugal force.
Therewith similar structure have three-axle table yaw frame, three axis omnidirectional flight simulators U-bracket (application No. is
It 201620835979.9) is, that test specimen or trainer provide yaw freedom, but it does not work in centrifugal field ring
Border, therefore design and be not suitable for for centrifugal field.
The above yaw frame in the prior art for helicopter Dynamic Flight Simulator has the following problems:
1, under centrifugal field, but to bear not being able to satisfy under centrifugal field big tilting moment and use work based on tensile stress
Condition.
2, yaw freedom is functionally provided, but its work is not particularly suited in centrifugal field in normal environment.
We has developed a kind of yaw frame for helicopter Dynamic Flight Simulator in order to solve problem above.
Summary of the invention
The purpose of this utility model is that solve the above-mentioned problems and provides a kind of for helicopter dynamic flying mould
The yaw frame of quasi- device.
The utility model achieves the above object through the following technical schemes:
Yaw frame for helicopter Dynamic Flight Simulator, comprising:
Girth sheets in U-shaped；
The outer girth sheets of U-shaped；
Two U-shaped side plates；The outer girth sheets of girth sheets, U-shaped, two U-shaped side plate connections are combined into closely hollow U-shaped knot in U-shaped
Structure, U-shaped structure opening are installed straight up；Run through in the bottom end and both upper ends thereof of U-shaped structure and axis hole component, position are installed
It is vertically-mounted in the axis hole component of the bottom end of U-shaped structure, positioned at the horizontal peace of the axis hole component of the both upper ends thereof of U-shaped structure
Dress, the axis hole component positioned at the both upper ends thereof of U-shaped structure are concentric.
The axis hole component for yawing the bottom end of frame is connect by turntable bearing with centrifuge pivoted arm end, is guaranteeing that structure is tight
Big axial force, tilting moment are born while gathering, so that yaw frame runs well.
Preferably, the thickness of the interior girth sheets in hollow U-shaped structure, outer girth sheets and two side plates bottom-up portion both ends by
Gradual change is thin, and size gradually becomes smaller.
Portion both ends are gradually thinning bottom-up for the thickness of yaw frame, form structural strength and match with force-bearing situation, excellent
Change material distribution, so that structure lightened；The size of yaw frame gradually becomes smaller at portion both ends bottom-up, enhances yaw frame and holds
By the ability of tilting moment.
Preferably, multiple vertical bar plates are evenly arranged with inside hollow U-shaped structure, four sides of each vertical bar plate are fixed respectively
Girth sheets, outer girth sheets and two side plates in connecting.
Interior girth sheets, the connection reinforcement of outer girth sheets and two side plates are formed fully sheathed case frame structure, Neng Gougai by muti-piece vertical bar
Kind stress, improves structural strength rigidity.
Preferably, the cable hole for cabling is offered on vertical bar plate.
It can direct cabling or the special wiring conduit of welding.
Preferably, multiple stiffener plates, reinforcing rib are evenly arranged with around each axis hole component inside hollow U-shaped structure
Four sides of plate are respectively fixedly connected with interior girth sheets, outer girth sheets, side plate and axis hole component.
Axis hole component and interior girth sheets, outer girth sheets, plate-side plate welding are formed into the fixation of axis hole group by multiple stiffener plates
Reinforcement structure.
Preferably, yaw frame further includes outer patch stiffening plate, and the every one end for yawing frame forms after the upward two sections of bendings in bottom,
Accordingly every one end of interior girth sheets, side plate and outer girth sheets forms after the upward two sections of bendings in bottom, interior girth sheets, side plate and outer girth sheets
It is divided into lower segment structure, middle section structure and upper segment structure, outer patch stiffening plate includes:
First stiffening plate；Fixed second of the bending place for being covered on side plate of first stiffening plate；
Second stiffening plate；Second stiffening plate is fixed to be covered below the middle section structure of side plate；
Third stiffening plate；The fixed first time bending place for being covered on side plate of third stiffening plate；
4th stiffening plate；The fixed first time bending place for being covered on outer girth sheets of 4th stiffening plate；
5th stiffening plate；The fixed first time bending for being covered on interior girth sheets of 5th stiffening plate and second of bending place；Third
Stiffening plate connect to form enclosed construction with the 4th stiffening plate and the 5th stiffening plate.
Second of bending place of side plate is arranged in first stiffening plate, forms one with side plate by filling weldering, carries out part
Reinforce, improves force-bearing situation.
Second stiffening plate is beam of uniform strength structure, is arranged in below the middle section structure of side plate, and filling weldering and side plate shape are passed through
Integrally, increase yaw frame intensity, rigidity, carry out local strengthening.
The first time bending place of side plate is arranged in third stiffening plate, and third stiffening plate can be reinforced with the cooperation of the 4th stiffening plate
Bottom stress increases bottom size, and dimensional transitions are reasonable, can increase the harsh bottom structure of stress, and third stiffening plate with
4th stiffening plate and the 5th stiffening plate form enclosed construction.
The first time bending place of outer girth sheets is arranged in 4th stiffening plate, is welded on outer girth sheets, improves bending part stress.
The first time that interior girth sheets is arranged in 5th stiffening plate bends and second of bending place, is welded on interior girth sheets, simultaneously
Two bending parts of girth sheets in covering, increase bending part structural strength, improve bending part stress.
Further, the fabrication hole for being arranged to internal wiring is additionally provided in the bending place of yaw frame.
Fabrication hole is set, the arrangement and installation for carrying out the cable passed through inside yaw frame can be facilitated.
Specifically, the axis hole component positioned at the top first end of U-shaped structure is coupled drive pin shafting, is located at U-shaped knot
The axis hole component of the top second end of structure is coupled collecting ring, and the top second end positioned at U-shaped structure is equipped with for balancing
The counterweight of drive pin shafting gravity.
The setting of counterweight ensure that the operation balance of yaw frame；To meet running accuracy, reduce the requirements such as unbalance loading vibration.
The utility model has the beneficial effects that:
The yaw frame for helicopter Dynamic Flight Simulator of the utility model:
1, using box-frame formula designs for welding structure, it is internal use muti-piece vertical bar plate strengthening form, improve structural strength rigidity,
Quality is reduced simultaneously；Compared with tower structure, case frame structure forms closing load, and load is more under unit mass.With casting
Structure is made to compare, can chosen material intensity it is higher, material thickness is thinner, without tissue defects, can reduce cost, and can flexibly close
Reason ground design stiffener plate structure, improves structural strength rigidity by partial closure's structure, while enhancing soldering reliability.Meet
Structural strength rigidity, light-weighted requirement.
2, using similar uniform strength design thought, structure size is passed centered on bottom along short transverse and width direction
Subtract；Can improve bottom because stress it is harsh caused by stress raisers, while reasonably optimizing Mass Distribution mitigates quality simultaneously
Reduce yaw frame center of gravity.It can satisfy and bear big tilting moment, bending combined load requirement.
3, in yaw frame bottom, waist location outer patch stiffening plate structure (using welding structure), be conducive to reinforce yaw frame
The structure of bending part improves stress；The harsh place of local strengthening stress；Be conducive to rigid with least material improvement structural strength
Degree.
4, in yaw frame bending part design technology hole, installation personnel is facilitated to reach into internal progress cable organizing, installation.
5, counterweight is designed, entire yaw frame system mass center is fitted near shaft centerline, to meet running accuracy, reduce
Unbalance loading vibration etc. requires.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the utility model；
Fig. 2 is the half section structure diagram of the utility model；
Fig. 3 is the bottom view of the utility model；
Fig. 4 is the top view of the utility model；
Fig. 5 is the right view of the utility model.
In figure: 1, interior girth sheets；2, side plate；3, outer girth sheets；4, axis hole component；5, stiffener plate；6, vertical bar plate；7, outer patch adds
Strong plate；71, the first stiffening plate；72, the second stiffening plate；73, third stiffening plate；74, the 4th stiffening plate；75, the 5th stiffening plate；8,
Counterweight；9, fabrication hole.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing:
Embodiment 1, as shown in Figure 1:
Yaw frame for helicopter Dynamic Flight Simulator, comprising:
Girth sheets 1 in U-shaped；
The outer girth sheets 3 of U-shaped；
Two U-shaped side plates 2；3, two connections of U-shaped side plate 2 of the outer girth sheets of girth sheets 1, U-shaped are combined into closely hollow U in U-shaped
Shape structure, U-shaped structure opening are installed straight up；Run through in the bottom end and both upper ends thereof of U-shaped structure and axis hole group is installed
Part 4, the axis hole component 4 positioned at the bottom end of U-shaped structure is vertically-mounted, and the axis hole component 4 positioned at the both upper ends thereof of U-shaped structure is equal
It is horizontally mounted, the axis hole component 4 positioned at the both upper ends thereof of U-shaped structure is concentric.
The axis hole component 4 for yawing the bottom end of frame is connect by turntable bearing with centrifuge pivoted arm end, is guaranteeing structure
Big axial force, tilting moment are born while compact, so that yaw frame runs well.
Embodiment 2, as shown in Figure 1:
The present embodiment the difference from embodiment 1 is that: interior girth sheets 1, outer girth sheets 3 and two side plates 2 in hollow U-shaped structure
Thickness portion both ends are gradually thinning bottom-up, size gradually becomes smaller.
Portion both ends are gradually thinning bottom-up for the thickness of yaw frame, form structural strength and match with force-bearing situation, excellent
Change material distribution, so that structure lightened；The size of yaw frame gradually becomes smaller at portion both ends bottom-up, enhances yaw frame and holds
By the ability of tilting moment.
Embodiment 3, as shown in Figure 1:
The present embodiment the difference from embodiment 1 is that: multiple vertical bar plates 6 are evenly arranged with inside hollow U-shaped structure, often
Four sides of a vertical bar plate 6 are respectively fixedly connected with interior girth sheets 1, outer girth sheets 3 and two side plates 2.
Interior girth sheets 1, the connection reinforcement of outer girth sheets 3 and two side plates 2 are formed fully sheathed case frame structure, energy by muti-piece vertical bar
Enough improve stress, improves structural strength rigidity.
Embodiment 4, as shown in Figure 1:
The present embodiment and the difference of embodiment 3 are: the cable hole for cabling is offered on vertical bar plate 6.
It can be along the direct cabling of multiple cable holes or the special wiring conduit of welding.
Embodiment 5, as shown in Figure 1:
The present embodiment the difference from embodiment 1 is that: uniformly set inside hollow U-shaped structure around each axis hole component 4
Multiple stiffener plates 5 are equipped with, four sides of stiffener plate 5 are respectively fixedly connected with interior girth sheets 1, outer girth sheets 3, side plate 2 and axis hole component
4。
By multiple stiffener plates 5, axis hole component 4 and interior girth sheets 1, outer girth sheets 3, side plate 2 are welded, form axis hole group
Fixed reinforcement structure.
Embodiment 6, as shown in Figure 1, Figure 2, Figure 3 and Figure 4:
The present embodiment the difference from embodiment 1 is that: yaw frame further include outer patch stiffening plate 7, yaw frame every one end warp
It is formed after the upward two sections of bendings in bottom, accordingly every one end of interior girth sheets 1, side plate 2 and outer girth sheets 3 is through the upward two sections of bendings in bottom
After form, interior girth sheets 1, side plate 2 and outer girth sheets 3 are divided into lower segment structure, middle section structure and upper segment structure, outer patch stiffening plate 7
Include:
First stiffening plate 71；Fixed second of the bending place for being covered on side plate 2 of first stiffening plate 71；
Second stiffening plate 72；Second stiffening plate 72 is fixed to be covered below the middle section structure of side plate 2；
Third stiffening plate 73；The fixed first time bending place for being covered on side plate 2 of third stiffening plate 73；
4th stiffening plate 74；The fixed first time bending place for being covered on outer girth sheets 3 of 4th stiffening plate 74；
5th stiffening plate 75；The fixed first time bending for being covered on interior girth sheets 1 of 5th stiffening plate 75 and second of bending place；
Third stiffening plate 73 connect to form enclosed construction with the 4th stiffening plate 74 and the 5th stiffening plate 75.
Second of bending place of side plate 2 is arranged in first stiffening plate 71, forms one with side plate 2 by filling weldering, carries out
Local strengthening improves force-bearing situation.
Second stiffening plate 72 is beam of uniform strength structure, is arranged in below the middle section structure of side plate 2, and filling weldering and side plate are passed through
2 form one, increase yaw frame intensity, rigidity, carry out local strengthening.
The first time bending place of side plate 2 is arranged in third stiffening plate 73, and third stiffening plate 73 and the 4th stiffening plate 74 cooperate
Can reinforced bottom stress, increase bottom size, dimensional transitions are reasonable, can increase the harsh bottom structure of stress, and third
Stiffening plate 73 and the 4th stiffening plate 74 and the 5th stiffening plate 75 form enclosed construction.
The first time bending place of outer girth sheets 3 is arranged in 4th stiffening plate 74, is welded on outer girth sheets 3, improve bending part by
Power.
The first time that interior girth sheets 1 is arranged in 5th stiffening plate 75 bends and second of bending place, is welded on interior girth sheets 1,
Two bending parts of girth sheets 1, increase bending part structural strength in covering simultaneously, improve bending part stress.
Embodiment 7, as shown in Fig. 3, Fig. 4 and Fig. 5:
The present embodiment and the difference of embodiment 6 are: yaw frame bending place be additionally provided with for internal wiring into
The fabrication hole 9 that row arranges.
Fabrication hole 9 is set, the arrangement and installation for carrying out the cable passed through inside yaw frame can be facilitated.
Embodiment 8, as shown in Figure 1:
The present embodiment the difference from embodiment 1 is that: positioned at U-shaped structure top first end axis hole component 4 cooperate peace
Drive pin shafting is filled, the axis hole component 4 positioned at the top second end of U-shaped structure is coupled collecting ring, positioned at the upper of U-shaped structure
Portion's second end is equipped with the counterweight 8 for balance drive pin shaft system gravity.
The setting of counterweight 8 ensure that the operation balance of yaw frame；To meet running accuracy, reduce the requirements such as unbalance loading vibration.
The basic principles and main features and advantage of the utility model have been shown and described above.The technical staff of the industry
It should be appreciated that the present utility model is not limited to the above embodiments, the above embodiments and description only describe this
The principle of utility model, on the premise of not departing from the spirit and scope of the utility model, the utility model also has various change
And improvement, these various changes and improvements fall within the scope of the claimed invention.The utility model requires protection scope
It is defined by appending claims and equivalents.
Claims (8)
1. being used for the yaw frame of helicopter Dynamic Flight Simulator characterized by comprising
Girth sheets in U-shaped；
The outer girth sheets of U-shaped；
Two U-shaped side plates；The outer girth sheets of girth sheets, U-shaped, two U-shaped side plate connections are combined into closely hollow U-shaped structure, U in U-shaped
Shape structural openings are installed straight up；Run through in the bottom end and both upper ends thereof of U-shaped structure and axis hole component is installed, is located at U
The axis hole component of the bottom end of shape structure is vertically-mounted, and the axis hole component positioned at the both upper ends thereof of U-shaped structure is horizontally mounted, position
It is concentric in the axis hole component of the both upper ends thereof of U-shaped structure.
2. the yaw frame according to claim 1 for helicopter Dynamic Flight Simulator, it is characterised in that: hollow U-shaped
Portion both ends are gradually thinning bottom-up for the thickness of interior girth sheets, outer girth sheets and two side plates in structure, and size gradually becomes smaller.
3. the yaw frame according to claim 1 for helicopter Dynamic Flight Simulator, it is characterised in that: in hollow U
Shape inside configuration is evenly arranged with multiple vertical bar plates, and four sides of each vertical bar plate are respectively fixedly connected with interior girth sheets, outer girth sheets and two
A side plate.
4. the yaw frame according to claim 3 for helicopter Dynamic Flight Simulator, it is characterised in that: on vertical bar plate
Offer the cable hole for cabling.
5. the yaw frame according to claim 1 for helicopter Dynamic Flight Simulator, it is characterised in that: in hollow U
Shape inside configuration is evenly arranged with multiple stiffener plates around each axis hole component, and four sides of stiffener plate are respectively fixedly connected with interior
Girth sheets, outer girth sheets, side plate and axis hole component.
6. the yaw frame according to claim 1 for helicopter Dynamic Flight Simulator, which is characterized in that yaw frame is also
Including outer patch stiffening plate, the every one end for yawing frame forms after the upward two sections of bendings in bottom, accordingly interior girth sheets, side plate and outer ring
Every one end of plate forms after the upward two sections of bendings in bottom, and interior girth sheets, side plate and outer girth sheets are divided into lower segment structure, middle section knot
Structure and upper segment structure, outer patch stiffening plate include:
First stiffening plate；Fixed second of the bending place for being covered on side plate of first stiffening plate；
Second stiffening plate；Second stiffening plate is fixed to be covered below the middle section structure of side plate；
Third stiffening plate；The fixed first time bending place for being covered on side plate of third stiffening plate；
4th stiffening plate；The fixed first time bending place for being covered on outer girth sheets of 4th stiffening plate；
5th stiffening plate；The fixed first time bending for being covered on interior girth sheets of 5th stiffening plate and second of bending place；Third is reinforced
Plate connect to form enclosed construction with the 4th stiffening plate and the 5th stiffening plate.
7. the yaw frame according to claim 6 for helicopter Dynamic Flight Simulator, it is characterised in that: in yaw frame
Bending place be additionally provided with the fabrication hole for being arranged to internal wiring.
8. the yaw frame according to claim 1 for helicopter Dynamic Flight Simulator, it is characterised in that: be located at U-shaped
The axis hole component of the top first end of structure is coupled drive pin shafting, positioned at the axis hole group of the top second end of U-shaped structure
Part is coupled collecting ring, is equipped with the counterweight for balance drive pin shaft system gravity positioned at the top second end of U-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821464063.2U CN208506598U (en) | 2018-09-07 | 2018-09-07 | Yaw frame for helicopter Dynamic Flight Simulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821464063.2U CN208506598U (en) | 2018-09-07 | 2018-09-07 | Yaw frame for helicopter Dynamic Flight Simulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208506598U true CN208506598U (en) | 2019-02-15 |
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ID=65300841
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821464063.2U Active CN208506598U (en) | 2018-09-07 | 2018-09-07 | Yaw frame for helicopter Dynamic Flight Simulator |
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| Country | Link |
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| CN (1) | CN208506598U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109144101A (en) * | 2018-09-07 | 2019-01-04 | 中国工程物理研究院总体工程研究所 | Yaw frame for helicopter Dynamic Flight Simulator |
-
2018
- 2018-09-07 CN CN201821464063.2U patent/CN208506598U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109144101A (en) * | 2018-09-07 | 2019-01-04 | 中国工程物理研究院总体工程研究所 | Yaw frame for helicopter Dynamic Flight Simulator |
| CN109144101B (en) * | 2018-09-07 | 2023-09-08 | 中国工程物理研究院总体工程研究所 | Yaw frame for helicopter dynamic flight simulator |
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