CN107345854B - Retarder full court slow test mounting and positioning device - Google Patents
Retarder full court slow test mounting and positioning device Download PDFInfo
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- CN107345854B CN107345854B CN201710442932.5A CN201710442932A CN107345854B CN 107345854 B CN107345854 B CN 107345854B CN 201710442932 A CN201710442932 A CN 201710442932A CN 107345854 B CN107345854 B CN 107345854B
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- pull rod
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- torque load
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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
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/027—Test-benches with force-applying means, e.g. loading of drive shafts along several directions
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- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of retarder full court slow test mounting and positioning devices, retarder includes the rotor shaft being installed on static testing pad vertically, the torque load plate being fixedly connected and lift moment of flexure load plate are successively installed in the outer circle of rotor shaft, lift moment of flexure load plate is equipped with multiple stress points, static testing pad is equipped with multiple anchor points for positioning respectively to each stress point, mounting and positioning device includes: for pulling torque load plate to horizontally rotate around rotor shaft so that the pull rod that each stress point in lift moment of flexure load plate is overlapped with corresponding anchor point respectively, pull rod is horizontally disposed and its axis is overlapped with the plane at one half thickness of torque load plate.The first end of pull rod is connected with torque load plate, its second end being oppositely arranged is supported with bearing support, bearing support is connected on static testing pad, and pull rod second end and bearing support multiple degrees of freedom are rotatablely connected and are installed with the stroke for adjusting yoke in second end outer circle to adjust the force locking member of torque load Board position.
Description
Technical field
The present invention relates to retarder full court slow test fields, particularly, are related to a kind of retarder full court slow test use
Mounting and positioning device.
Background technique
For main reducing gear as one of most important component of Helicopter Transmission System, major function is will be multi-engined
Power and vehicle, are transferred to rotor and tail transmission shaft, and the aerodynamic loading of rotor is passed to fuselage, while driving hydraulic after deceleration
The helicopters attachment such as pump, alternating current generator, therefore main reducing gear needs to transmit the torque of engine, bears rotor lift system
The associated load that pulling force, moment of flexure, shearing and rotor control system generate.According to GJB2350-1995, " Helicopter Transmission System is logical
With specification ", the requirement of GJB720.6A-2012 " Helicopter Strength and rigidity specifcation ", master should be completed before main reducing gear first-fly and is subtracted
Fast device full court slow test.
The loading scheme of certain type main decelerator of driving system full court slow test rotor lift system is shown in Fig. 1, F1, F2, F3
Apply the lift and moment of flexure of rotor shaft 10 jointly with F4, F5 and F6 apply the shearing of rotor shaft 10 jointly, and F7 and F8 apply jointly
The torque of rotor shaft 10.Since rotor system load tooling has connected as an entirety, as shown in Fig. 2, lift moment of flexure load plate
30 are fixedly connected with torque load plate 20 and arrange in angle, for the accuracy for ensuring F1, F2, F3 and F4 loading direction, i.e., fixed
Position lift moment of flexure load plate 30, it is fixed to need constrain to torque load plate 20 before connection F1, F2, F3 and F4 load channel
Position.In the prior art, by manual driving torque load plate 20 to be positioned to lift moment of flexure load plate 30, when manual positioning
Due to can operating range it is small, therefore exert a force operating difficulties；Positioning accuracy is low when manual positioning and need to operate repeatedly, location efficiency it is low and
It is unable to satisfy location requirement.
Summary of the invention
The present invention provides a kind of retarder full court slow test mounting and positioning devices, when solving existing manual positioning
The technical problem that existing positioning operation is difficult, positioning accuracy and location efficiency are low.
The technical solution adopted by the invention is as follows:
A kind of retarder full court slow test mounting and positioning device, wherein retarder includes being installed in static(al) examination vertically
The rotor shaft on platform is tested, the torque load plate being fixedly connected and lift moment of flexure load plate are successively installed in the outer circle of rotor shaft,
Lift moment of flexure load plate is equipped with multiple stress points, and static testing pad is equipped with multiple for determining what each stress point positioned respectively
Site, mounting and positioning device include: for pulling torque load plate to horizontally rotate around rotor shaft so that lift moment of flexure load plate
The pull rod that is overlapped respectively with corresponding anchor point of each stress point, pull rod is horizontally disposed and its axis and torque load plate half are thick
Plane at degree is overlapped；The first end of pull rod is connected with torque load plate, and the second end being oppositely arranged is supported with bearing support, branch
Bolster is connected on static testing pad, and pull rod second end is rotatablely connected with bearing support multiple degrees of freedom and is installed in second end outer circle
The force locking member of torque load Board position is adjusted for the stroke of adjusting yoke.
Further, bearing support is equipped with the mounting hole that passes through for pull rod, the second end of pull rod be arranged in mounting hole and
End is stretched out outside mounting hole；Force locking member includes for applying the first locking nut of pulling force to pull rod, for applying to pull rod
Add the second locking nut of thrust, the first locking nut and the second locking nut are threadedly connected to the outer circle of pull rod second end respectively
Two sides that are upper and being divided into mounting hole, the first locking nut and the second locking nut respectively with the bearing support that is correspondingly arranged against.
Further, bearing support includes the attachment base for being fixedly connected with static testing pad, is movably equipped on attachment base
Adjusting support with multiple directions freedom degree adjusts support and is equipped with mounting hole.
Further, adjusting support includes the first adjustment seat along fixed-axis rotation setting, is equipped in the first adjustment seat with the
The pivot center of one adjustment seat is the second adjustment seat that horizontal base line or so back and forth deflects, and the second adjustment seat is equipped with mounting hole.
Further, the outer diameter of pull rod second end is less than the internal diameter of mounting hole.
Further, the first adjustment seat is equipped with the installation cavity for installing the second adjustment seat, and installation cavity is adjusted along with first
The direction that the pivot center of section seat is vertical extends and penetrates through；Second adjustment seat is in the form of a column, and the extending direction along installation cavity is installed in
In installation cavity, and to be that deflection middle line back and forth deflects with the perpendicular line of the extending direction of installation cavity；Mounting hole is adjusted along second
The axis of seat penetrates through the second adjustment seat.
Further, adjusting support further includes two first connections for connecting the first adjustment seat and the second adjustment seat
Pin, two the first connecting pins are symmetrical arranged, and the second adjustment seat is that deflection middle line back and forth deflects with the line of two the first connecting pins.
Further, attachment base is in U-typed, and closed end is fixedly connected with static testing pad；First adjustment seat is in " returning "
Font is installed in the U-shaped cavity of attachment base, and the connection that the two sides of the first adjustment seat respectively pass through the second connecting pin and are correspondingly arranged
The side wall rotation connection of seat；The hollow that second adjustment seat is installed in the first adjustment seat is intracavitary.
Further, the both ends of torque load plate length direction are respectively provided with open slot, and open slot is located at torque load plate thickness
Spend the centre in direction；The first end of pull rod is arranged in open slot and end is stretched out outside open slot, in the outer circle of pull rod first end
It is installed with the fixing piece for being fixed on pull rod level in open slot.
Further, fixing piece includes two block baffles being installed in pull rod first end outer circle, and two block baffles are divided into torsion
The two sides of square load plate；Fixing piece further includes two fixture nuts being threadedly connected in pull rod first end outer circle, two fixations
Nut is divided into the two sides of torque load plate and supports respectively with the baffle being correspondingly arranged so that two block baffle fastening torques load
Plate.
The invention has the following advantages:
In retarder full court slow test mounting and positioning device of the invention, due to pull rod is horizontally disposed and its axis with
Plane at one half thickness of torque load plate is overlapped, therefore when pull rod stress pulls torque load plate to rotate around rotor shaft, by drawing
The pulling force that bar applies will not have an impact retarder entirety stress condition, and torque load plate and lift moment of flexure load plate are fixed
Connection, when torque load plate Forced rotation, lift moment of flexure load plate is synchronous to rotate each stress point so that thereon around rotor shaft
Anchor point corresponding on static testing pad is overlapped, to realize the positioning to lift moment of flexure load plate.Retarder of the invention
In full court slow test mounting and positioning device, by force locking member exert a force pull rod so that pull rod pull torque load plate around
Rotor shaft rotation, positions lift moment of flexure load plate to realize, will by pull rod compared to force torque load plate manually
Stress point is drawn outward, so that it is easy to operate to make to exert a force, is solved in the prior art because force operating range is small, exert a force operating difficulties
The technical issues of；Applying pulling force by force locking member rotates torque load plate, compares force torque load plate rotation manually,
Its torque load plate rotation precision is high and without operating repeatedly, therefore the positioning accuracy of lift moment of flexure load plate and high-efficient, satisfaction
Its location requirement.
Other than objects, features and advantages described above, there are also other objects, features and advantages by the present invention.
Below with reference to figure, the present invention is described in further detail.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the sky of prior art type main decelerator of driving system full court slow test rotor lift system loads scheme
Between structural schematic diagram；
Fig. 2 is the broken section schematic view of the front view of Fig. 1；
Fig. 3 is the retarder full court slow test mounting and positioning device and torque load plate phase of the preferred embodiment of the present invention
Space structure schematic diagram when even；
Fig. 4 is the space structure schematic diagram of bearing support in Fig. 3.
Marginal data
10, rotor shaft；20, torque load plate；201, open slot；30, lift moment of flexure load plate；40, pull rod；50, it supports
Frame；501, mounting hole；51, attachment base；52, support is adjusted；521, the first adjustment seat；522, the second adjustment seat；523, first connects
Outbound；524, the second connecting pin；60, exert a force locking member；61, the second locking nut；70, fixing piece；71, baffle；72, fixed spiral shell
It is female.
Specific embodiment
The embodiment of the present invention is described in detail below in conjunction with attached drawing, but the present invention can be defined by the claims
Implement with the multitude of different ways of covering.
Referring to Fig. 3, the preferred embodiment of the present invention provides a kind of retarder full court slow test mounting and positioning device,
Wherein, retarder includes the rotor shaft 10 being installed in static testing pad (not shown) vertically, in the outer circle of rotor shaft 10 successively
It is installed with the torque load plate 20 being fixedly connected and lift moment of flexure load plate 30, lift moment of flexure load plate 30 is equipped with multiple stress
Point (not shown), static testing pad are equipped with multiple anchor point (not shown) for positioning respectively to each stress point, and installation is fixed
Position device include: for pull torque load plate 20 to horizontally rotate around rotor shaft 10 so that in lift moment of flexure load plate 30 respectively by
The pull rod 40 that force is overlapped with corresponding anchor point respectively, pull rod 40 is horizontally disposed and its axis and 20 half of torque load plate are thick
Plane at degree is overlapped.The first end of pull rod 40 is connected with torque load plate 20, and the second end being oppositely arranged is supported with bearing
Frame 50, bearing support 50 are connected on static testing pad, 40 second end of pull rod and 50 multiple degrees of freedom of bearing support rotation connection and second
The stroke for adjusting yoke 40 is installed in the outer circle of end to adjust the force locking member 60 of 20 position of torque load plate.The present invention
Retarder full court slow test mounting and positioning device in, since pull rod 40 is horizontally disposed and its axis and torque load plate 20
Plane at one half thickness is overlapped, therefore when 40 stress of pull rod pulls torque load plate 20 to rotate around rotor shaft 10, by pull rod 40
The pulling force of application will not have an impact retarder entirety stress condition, and torque load plate 20 and lift moment of flexure load plate 30 are solid
Fixed connection, when torque 20 Forced rotation of load plate, lift moment of flexure load plate 30 is synchronous to be rotated around rotor shaft 10 so that thereon
Each stress point is overlapped with anchor point corresponding on static testing pad, to realize the positioning to lift moment of flexure load plate 30.This hair
In bright retarder full court slow test mounting and positioning device, by the force force pull rod 40 of locking member 60, so that pull rod 40
It pulls torque load plate 20 to rotate around rotor shaft 10, lift moment of flexure load plate 30 is positioned to realize, compared to applying manually
Power torque load plate 20 is drawn stress point by pull rod 40 outward, so that it is easy to operate to make to exert a force, solve in the prior art because
The technical issues of operating range that exerts a force is small, force operating difficulties；Applying pulling force by force locking member 60 makes torque load plate 20
Rotation is rotated compared to force torque load plate 20 manually, and 20 rotation precision of torque load plate is high and without operating repeatedly, therefore rises
The positioning accuracy of power moment of flexure load plate 30 and high-efficient, meets its location requirement；Due to 40 second end of pull rod and bearing support more than 50
Freedom degree rotation connection, convenient for eliminating the structure or installation error of static testing pad or bearing support 50, convenient for the installation of pull rod 40.
In the present invention, as shown in Figure 3 and Figure 4, bearing support 50 is equipped with the mounting hole 501 passed through for pull rod 40, pull rod 40
Second end be arranged in mounting hole 501 and end stretch out mounting hole 501 outside.The locking member 60 that exerts a force includes for applying to pull rod 40
The first locking nut, the second locking nut 61 for applying thrust to pull rod 40 for adding pulling force, the first locking nut and second
Locking nut 61 is threadedly connected in the outer circle of 40 second end of pull rod respectively and is divided into the two sides of mounting hole 501, and the first lock
Tight nut and the second locking nut 61 respectively with the bearing support 50 that is correspondingly arranged against.When force is adjusted, unscrew the first lock first
Tight nut and the second locking nut 61, then twist the first locking nut and/or the second locking nut 61 further according to concrete condition
So that pull rod 40 pulls torque load plate 20 to rotate, and then make each stress point in lift moment of flexure load plate 30 and corresponding positioning
Point is overlapped to position lift moment of flexure load plate 30, tightens the first locking nut and the second locking nut 61 again finally to be locked
The degree of regulation of pull rod 40, the first locking nut and the second locking nut 61 is adjusted compared to force manually, is adjusted up to 0.01mm
It saves precision and adjusting is high-efficient, meet the positioning accuracy request of lift moment of flexure load plate 30.
Optionally, as shown in figure 3, bearing support 50 includes the attachment base 51 for being fixedly connected with static testing pad, connection
It is movably equipped with the adjusting support 52 with multiple directions freedom degree on seat 51, adjusts support 52 and is equipped with mounting hole 501.The present invention
In, freedom degree of the support 52 with multiple directions is adjusted by making, and the second end of pull rod 40 is arranged in and adjusts on support 52, from
And influence of the static testing pad error to bearing support 50 is eliminated, so that the second end of pull rod 40 can be arranged in mounting hole during installation
In 501, and keep the second end of pull rod 40 contour with the first end of pull rod 40 always, finally makes the axis of the pull rod 40 after fixing
Line is overlapped with the plane at 20 1 half thickness of torque load plate.
In the present invention, as shown in figure 4, adjusting support 52 includes the first adjustment seat 521 along fixed-axis rotation setting, first is adjusted
It is equipped with the second adjustment seat 522 back and forth deflected using the pivot center of the first adjustment seat 521 as horizontal base line or so in section seat 521,
Second adjustment seat 522 is equipped with mounting hole 501.
Preferably, as shown in figure 4, further to eliminate influence of the static testing pad error to bearing support 50, the present invention is excellent
It selects in embodiment, the internal diameter of mounting hole 501 is greater than the outer diameter of pull rod 40, is being installed by 40 second end of adjusting yoke
Position in hole 501 can further eliminate influence of the static testing pad error to bearing support 50, so that the second end of pull rod 40 exists
It can be arranged in mounting hole 501 when installation, and keep the second end of pull rod 40 contour with the first end of pull rod 40 always.
In the embodiment of the present invention, as shown in figure 4, the first adjustment seat 521 is equipped with the peace for installing the second adjustment seat 522
It behave affectedly, installation cavity extends and penetrates through along the direction vertical with the pivot center of the first adjustment seat 521.Second adjustment seat 522 is in column
Shape, the extending direction along installation cavity are installed in installation cavity, and to be in deflection with the perpendicular line of the extending direction of installation cavity
Line back and forth deflects.Mounting hole 501 penetrates through the second adjustment seat 522 along the axis of the second adjustment seat 522.
In the embodiment of the present invention, as shown in figure 4, adjusting support 52 further includes for connecting the first adjustment seat 521 and second
Two the first connecting pins 523 of adjustment seat 522, two the first connecting pins 523 are symmetrical arranged, and the second adjustment seat 522 is with two the
The line of one connecting pin 523 is that deflection middle line back and forth deflects.In this specific embodiment, at least one end of the second adjustment seat 522 is stretched
Out outside installation cavity, and the second adjustment seat 522 is the deflection angle for deflecting middle line and back and forth deflecting with the line of two the first connecting pins 523
It is ± 45 °.
Optionally, as shown in figure 4, attachment base 51 is in U-typed, closed end is fixedly connected with static testing pad.First adjusts
Saving seat 521 is in " returning " font, is installed in the U-shaped cavity of attachment base 51, and the two sides of the first adjustment seat 521 respectively pass through the second connection
Pin 524 and the side wall for the attachment base 51 being correspondingly arranged are rotatablely connected.Second adjustment seat 522 is installed in returning for the first adjustment seat 521
Type is intracavitary.In the embodiment of the present invention, as shown in figure 4, the first adjustment seat 521 is in " returning " font, in the second adjustment seat 522 respectively with
The face of the inner sidewall contact of first adjustment seat 521 is the matched plane of inner sidewall with the first adjustment seat 521.
Optionally, as shown in figure 3, the both ends of 20 length direction of torque load plate are respectively provided with open slot 201, open slot 201
Positioned at the centre of 20 thickness direction of torque load plate.The first end of pull rod 40 is arranged in open slot 201 and opening is stretched out in end
Outside slot 201, the fixing piece for being fixed on 40 level of pull rod in open slot 201 is installed in the outer circle of 40 first end of pull rod
70。
In the embodiment of the present invention, as shown in figure 3, fixing piece 70 includes two pieces of gears being installed in 40 first end outer circle of pull rod
Plate 71, two block baffles 71 are divided into the two sides of torque load plate 20.Fixing piece 70 further includes being threadedly connected to 40 first end of pull rod
Two fixture nuts 72 in outer circle, two fixture nuts 72 be divided into the two sides of torque load plate 20 and respectively be correspondingly arranged
Baffle 71 support so that two block baffles, 71 fastening torque load plate 20.By tighten two fixture nuts 72 make respectively with it is corresponding
The baffle 71 of setting is supported, and pull rod 40 can be locked in open slot 201.
When installation, attachment base 51 is fixed first with static testing pad, then passes through two block baffles 71 and two fixed spiral shells
The first end of pull rod 40 is fixed in open slot 201 at the axis and 20 1 half thickness of torque load plate for making pull rod 40 by mother 72
Plane is overlapped, then the second end of pull rod 40 is passed through mounting hole 501, and adjust by the first locking nut and the second locking nut 61
The horizontal position of torque load plate 20 is saved, and then accurately controls the position of lift moment of flexure load plate 30, finally by the first locking screw
Female and 61 opposite direction of the second locking nut tightens the position that i.e. lockable pull rod 40 locks lift moment of flexure load plate 30.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of retarder full court slow test mounting and positioning device, wherein retarder includes being installed in slow test vertically
Rotor shaft (10) on platform is successively installed with the torque load plate (20) being fixedly connected in the outer circle of the rotor shaft (10) and rises
Power moment of flexure load plate (30), the lift moment of flexure load plate (30) are equipped with multiple stress points, and the static testing pad is equipped with
Multiple anchor points for being positioned respectively to each stress point, which is characterized in that the mounting and positioning device includes:
For pulling the torque load plate (20) to horizontally rotate around the rotor shaft (10) so that the lift moment of flexure load plate
(30) pull rod (40) that each stress point on is overlapped with the corresponding anchor point respectively, the pull rod (40) are horizontally disposed
And its axis is overlapped with the plane at (20) one half thickness of torque load plate；
The first end of the pull rod (40) is connected with the torque load plate (20), and the second end being oppositely arranged is supported with bearing
Frame (50), the bearing support (50) are connected on the static testing pad, pull rod (40) second end and the bearing support
(50) stroke for adjusting the pull rod (40) is installed with to adjust in multiple degrees of freedom rotation connection and the second end outer circle
The force locking member (60) of torque load plate (20) position；
The bearing support (50) is equipped with the mounting hole (501) passed through for the pull rod (40), the second end of the pull rod (40)
It is arranged in the mounting hole (501) and the mounting hole (501) is stretched out outside in end；The force locking member (60) includes being used for
The first locking nut, the second locking nut for the pull rod (40) to be applied with thrust that pulling force is applied to the pull rod (40)
(61), first locking nut and second locking nut (61) are threadedly connected to the pull rod (40) second end respectively
In outer circle and it is divided into the two sides of the mounting hole (501), first locking nut and second locking nut (61) point
Not with the bearing support (50) that is correspondingly arranged against；When force is adjusted, unscrew the first locking nut and the second locking screw first
Female (61) then twist the first locking nut and/or the second locking nut (61) further according to concrete condition so that pull rod (40) is drawn
Dynamic torque load plate (20) rotation, so make each stress point in lift moment of flexure load plate (30) and the coincidence of corresponding anchor point with
It positions lift moment of flexure load plate (30), tightens the first locking nut and the second locking nut (61) again finally with the pull rod that is locked
(40)；
The both ends of torque load plate (20) length direction are respectively provided with open slot (201), and the open slot (201) is located at described
The centre of torque load plate (20) thickness direction；The first end of the pull rod (40) is arranged in the open slot (201) and holds
The open slot (201) is stretched out outside by portion, is installed in the outer circle of pull rod (40) first end for by the pull rod (40) water
The flat fixing piece (70) being fixed in the open slot (201)；The fixing piece (70) includes being installed in the pull rod (40) the
Two block baffles (71) in the outer circle of one end, two pieces of baffles (71) are divided into the two sides of the torque load plate (20)；It is described
Fixing piece (70) further includes two fixture nuts (72) being threadedly connected in the pull rod (40) first end outer circle, described in two
Fixture nut (72) is divided into the two sides of the torque load plate (20) and supports respectively with the baffle (71) being correspondingly arranged
So that two pieces of baffles (71) clamp the torque load plates (20), by tighten two fixture nuts (72) make respectively with it is right
The baffle (71) that should be arranged is supported, and pull rod (40) can be locked in open slot (201).
2. retarder full court slow test mounting and positioning device according to claim 1, which is characterized in that
The bearing support (50) includes the attachment base (51) for being fixedly connected with the static testing pad, the attachment base (51)
On be movably equipped with the adjusting support (52) with multiple directions freedom degree, the adjusting support (52) is equipped with the mounting hole
(501)。
3. retarder full court slow test mounting and positioning device according to claim 2, which is characterized in that
Adjust support (52) include the first adjustment seat (521) along fixed-axis rotation setting, and first adjustment seat (521) is interior
Equipped with the second adjustment seat (522) back and forth deflected using the pivot center of first adjustment seat (521) as horizontal base line or so, institute
The second adjustment seat (522) are stated equipped with the mounting hole (501).
4. retarder full court slow test mounting and positioning device according to claim 3, which is characterized in that
The outer diameter of pull rod (40) second end is less than the internal diameter of the mounting hole (501).
5. retarder full court slow test mounting and positioning device according to claim 3, which is characterized in that
First adjustment seat (521) is equipped with the installation cavity for installing second adjustment seat (522), the installation cavity edge
The direction vertical with the pivot center of first adjustment seat (521) extends and penetrates through；
Second adjustment seat (522) is in the form of a column, and the extending direction along the installation cavity is installed in the installation cavity, and with
The perpendicular line of the extending direction of the installation cavity is that deflection middle line back and forth deflects；
The mounting hole (501) penetrates through second adjustment seat (522) along the axis of second adjustment seat (522).
6. retarder full court slow test mounting and positioning device according to claim 5, which is characterized in that
The adjusting support (52) further includes for connecting first adjustment seat (521) and second adjustment seat (522)
Two the first connecting pins (523), two first connecting pins (523) are symmetrical arranged, and second adjustment seat (522) is with two
The line of first connecting pin (523) is that deflection middle line back and forth deflects.
7. retarder full court slow test mounting and positioning device according to claim 5, which is characterized in that
The attachment base (51) is in U-typed, and closed end is fixedly connected with the static testing pad；
First adjustment seat (521) is in " returning " font, is installed in the U-shaped cavity of the attachment base (51), and described first adjusts
The two sides of section seat (521) respectively pass through the second connecting pin (524) and the side wall for the attachment base (51) being correspondingly arranged is rotatablely connected；
The hollow that second adjustment seat (522) is installed in first adjustment seat (521) is intracavitary.
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| CN201710442932.5A CN107345854B (en) | 2017-06-13 | 2017-06-13 | Retarder full court slow test mounting and positioning device |
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| CN201710442932.5A CN107345854B (en) | 2017-06-13 | 2017-06-13 | Retarder full court slow test mounting and positioning device |
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| CN107345854B true CN107345854B (en) | 2019-10-25 |
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| CN104266910A (en) * | 2014-10-17 | 2015-01-07 | 苏州东菱振动试验仪器有限公司 | Method and device for loading fatigue test force |
| CN105675296A (en) * | 2016-01-13 | 2016-06-15 | 中国航空动力机械研究所 | Method for adjusting torque balance of multiple input shafts of main reducer |
| CN106441841A (en) * | 2016-09-12 | 2017-02-22 | 中国人民解放军海军航空工程学院青岛校区 | Helicopter tail decelerator case fatigue test device |
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