CN105910807B - A kind of pulley yoke tangent constraint device - Google Patents
A kind of pulley yoke tangent constraint device Download PDFInfo
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- CN105910807B CN105910807B CN201610373984.7A CN201610373984A CN105910807B CN 105910807 B CN105910807 B CN 105910807B CN 201610373984 A CN201610373984 A CN 201610373984A CN 105910807 B CN105910807 B CN 105910807B
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- pulley yoke
- constraint
- block
- axis
- pin hole
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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
Abstract
The present invention relates to a kind of pulley yoke tangent constraint devices, for carrying out tangent constraint to pulley yoke in pulley yoke strength test, pin hole is equipped with including sliding block one end, the axis of pin hole is vertical with plane where pulley yoke, keep sliding block relatively fixed with pulley yoke by connector, and sliding block and pulley yoke are rotated around pin hole axis；Constraint block upper end is equipped with sliding slot, and the other end of sliding block is placed in sliding slot and slides with constraint block, and constraint block lower end is equipped with fixation hole, and the axis of fixation hole is parallel to the axis of pin hole, fixes constraint block with test-bed by connector；Restraint device, datum level is fixed in restraint device one end, the other end acts on constraint block, plane where active force translating pulleys frame.A kind of pulley yoke tangent constraint device of the invention is tested for sliding rail pulley yoke, this tangent constraint power can also be measured other than not damaging gripping clamping apparatus to carry out tangent constraint to pulley yoke, have many advantages, such as that structure is simple, design is dexterous, facilitate operation, is at low cost.
Description
Technical field
The invention belongs to Aeronautical Test Technology field more particularly to a kind of pulley yoke tangent constraint devices.
Background technique
Currently, in the mechanism that sliding rail pulley yoke system is used to need frequently to be unfolded or pack up, in the case where no external constraint
Pulley yoke is typically only capable to tangentially free to slide along sliding rail.In pulley yoke strength test, need keeping pulley yoke and sled position
It is relatively fixed on the basis of pulley yoke is loaded.Current way is to be inserted into pin after drilling on the slide rail, uses pin
Blocking pulley yoke prevents pulley yoke from moving along sliding rail.The shortcomings that this method is to have brought damage into gripping clamping apparatus, may
Gripping clamping apparatus is set to destroy earlier than testpieces and the purpose examined to testpieces is not achieved.
Summary of the invention
The object of the present invention is to provide a kind of pulley yoke tangent constraint devices, solve the above problems.
In order to achieve the above objectives, the technical solution adopted by the present invention is that: a kind of pulley yoke tangent constraint device, in cunning
Tangent constraint is carried out to pulley yoke in wheel carrier strength test, including
Sliding block, described sliding block one end are equipped with pin hole, and the axis of the pin hole is vertical with plane where pulley yoke, passes through connection
Part keeps sliding block relatively fixed on the axis direction of pin hole with the pulley yoke, and the sliding block and pulley yoke are around the axis of pin hole
It relatively rotates；
Constraint block, the constraint block upper end are equipped with sliding slot, and the other end of sliding block is placed in the sliding slot and the constraint block
Opposite sliding, the constraint block lower end are equipped with fixation hole, and the axis of the fixation hole is parallel to the axis of the pin hole, passes through company
Fitting keeps constraint block relatively fixed in the axis direction of the fixation hole with test-bed or other reference devices；
Restraint device, datum level is fixed in described restraint device one end, the other end acts on the constraint block, and active force is flat
Plane where moving the pulley yoke.
Further, the sliding block and sliding slot are rectangular configuration.
Further, gap is additionally provided on pin hole axis direction between the sliding block and sliding slot.
Further, constrained port is equipped on the constraint block, the axis of the constrained port is parallel to the pulley yoke institute
In plane, the restraint device is acted in the constrained port by tensile axis.
Further, there are also load transducers on the restraint device, for measuring the restraint device to the constraint
The active force of block.
Further, the practical circumferential load F of pulley yoketWith load transducer measured value F, pin hole axis in restraint device
With constraint axially bored line distance L and fixed axially bored line with constraint axially bored line distance L with following relational expression:
A kind of pulley yoke tangent constraint device of the invention for sliding rail pulley yoke test, in addition to do not damage gripping clamping apparatus with
Pulley yoke can also measure to this tangent constraint power outside tangent constraint, has that structure is simple, design is dexterous, facilitates behaviour
The advantages that making, be at low cost.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows and meets implementation of the invention
Example, and be used to explain the principle of the present invention together with specification.
Fig. 1 is pulley yoke tangent constraint apparatus structure schematic diagram of the invention；
Fig. 2 is pulley yoke tangent constraint device perspective view of the invention；
Fig. 3 is pulley yoke tangent constraint device front view of the invention；
Wherein, 1- sliding block, 11- pin hole, 2- constraint block, 21- sliding slot, 22- fixation hole, 23- constrained port, 3- restraint device,
4- pulley yoke.
Specific embodiment
To keep the purposes, technical schemes and advantages of the invention implemented clearer, below in conjunction in the embodiment of the present invention
Attached drawing, technical solution in the embodiment of the present invention 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 present invention
A part of the embodiment, instead of all the embodiments.Embodiment below with reference to attached drawing description is exemplary type, it is intended to be used
It is of the invention in explaining, and be not considered as limiting the invention.Based on the embodiments of the present invention, ordinary skill people
Member's every other embodiment obtained under the premise of not making the labour of creation type, shall fall within the protection scope of the present invention.Under
Face is described in detail the embodiment of the present invention in conjunction with attached drawing.
In the description of the present invention, 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 of the present invention and simplification of the 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 present invention
The limitation of range.
As shown in Figure 1 to Figure 3, pulley yoke tangent constraint device of the invention is used in pulley yoke strength test to cunning
Wheel carrier carries out tangent constraint, including sliding block, and 1 one end of sliding block is equipped with pin hole 11, and the axis and 4 place plane of pulley yoke of pin hole 11 hang down
Directly, keep sliding block 1 relatively fixed on the axis direction of pin hole 11 with pulley yoke 4 by connector, and sliding block 1 and pulley yoke 4 around
The axis of pin hole 11 relatively rotates；Constraint block, 2 upper end of constraint block are equipped with sliding slot 21, the other end of sliding block 1 be placed in sliding slot 21 with
Constraint block 2 is opposite to be slided, and 2 lower end of constraint block is equipped with fixation hole 22, and the axis of fixation hole 22 is parallel to the axis of pin hole 11, passes through
Connector keeps constraint block 2 relatively fixed in the axis direction of fixation hole 22 with test-bed or other reference devices；Restraint device,
Datum level is fixed in 3 one end of restraint device, the other end acts on constraint block 2,4 place plane of active force translating pulleys frame.Test
When, since restraint device 3 is constrained in constraint block 2, constraint block 2 constrains sliding block 1 further through sliding slot 21, and sliding block 1 and pulley yoke 4 can
The fixation of relative rotation, the restraint condition that pulley yoke 4 is subject on the slide rail are considered as the motion profile along pin hole 11
Tangential direction, but due to sliding slot 21 can be slided with sliding block 1, the radius size of sliding rail or adjustable.I.e. sliding block 1 is inserted into
Length in sliding slot 21 should be determined according to the radial displacement that pulley yoke 4 is likely to occur, under 4 maximum radial misalignment of pulley yoke,
Sliding block 1 must not skid off sliding slot 21 or contact with the bottom end of sliding slot 21.
Further, in order to easy to process, by sliding block 1 and the rectangular structure of sliding slot 21.
Further, it is additionally provided with gap on 11 axis direction of pin hole between sliding block 1 and sliding slot 2, can makes to connect with pulley yoke
Sliding block lateral movement during, sliding block side and sliding slot medial surface are not in contact.
Further, constrained port 23 is equipped on constraint block 2, the axis of constrained port 23 is parallel to plane where pulley yoke, about
Bundle device 3 is acted in constrained port 23 by tensile axis.
Further, there are also load transducers on restraint device 3, for measuring restraint device 3 to the active force of constraint block 2.
When test, the practical circumferential load Ft of pulley yoke 4 just with load transducer measured value F, pin hole 11 in restraint device 3
Axis is with 23 axis distance L1 of constrained port and 22 axis of fixation hole with 23 axis distance L2 of constrained port with following relational expression:Actually cutting for pulley yoke is effectively calculated by measuring restraint device 4 indirectly to the active force of constraint block
To load.
Pulley yoke tangent constraint device of the invention is tested for sliding rail pulley yoke, in addition to not damaging gripping clamping apparatus to cunning
Wheel carrier can also measure to this tangent constraint power outside tangent constraint, have structure is simple, design is dexterous, facilitate operation,
The advantages that at low cost.
The above, optimal specific embodiment only of the invention, but scope of protection of the present invention is not limited thereto,
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of the claim
Subject to enclosing.
Claims (6)
1. a kind of pulley yoke tangent constraint device, special for carrying out tangent constraint to pulley yoke in pulley yoke strength test
Sign is, including
Sliding block, described sliding block (1) one end are equipped with pin hole (11), and plane is hung down where the axis of the pin hole (11) and pulley yoke (4)
Directly, keep sliding block (1) and the pulley yoke (4) relatively fixed on the axis direction of pin hole (11) by connector, and the cunning
Block (1) and pulley yoke (4) are relatively rotated around the axis of pin hole (11)；
Constraint block, constraint block (2) upper end are equipped with sliding slot (21), the other end of sliding block (1) be placed in the sliding slot (21) with
The constraint block (2) is opposite to be slided, and constraint block (2) lower end is equipped with fixation hole (22), and the axis of the fixation hole (22) is flat
Row makes constraint block (2) with test-bed or other reference devices described solid in the axis of the pin hole (11) by connector
The axis direction for determining hole (22) is relatively fixed；
Restraint device, datum level is fixed in described restraint device (3) one end, the other end acts on the constraint block (2), active force
Plane where translating the pulley yoke (4).
2. pulley yoke tangent constraint device according to claim 1, which is characterized in that the sliding block (1) and sliding slot (21)
It is rectangular configuration.
3. pulley yoke tangent constraint device according to claim 2, which is characterized in that the sliding block (1) and sliding slot (2) it
Between be additionally provided with gap on pin hole (11) axis direction.
4. pulley yoke tangent constraint device according to claim 1, which is characterized in that be equipped on the constraint block (2)
Constrained port (23), the axis of the constrained port (23) are parallel to plane where the pulley yoke, and the restraint device (3) passes through drawing
Axis is stretched to act in the constrained port (23).
5. pulley yoke tangent constraint device according to claim 1, which is characterized in that on the restraint device (3) also
Load transducer, for measuring the restraint device (3) to the active force of the constraint block (2).
6. pulley yoke tangent constraint device according to claim 5, which is characterized in that the practical tangential load of pulley yoke (4)
Lotus FtWith load transducer measured value F, pin hole (11) axis and constrained port (23) axis distance L1 in restraint device (3) and admittedly
Determining hole (22) axis and constrained port (23) axis distance L2 has following relational expression:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610373984.7A CN105910807B (en) | 2016-05-31 | 2016-05-31 | A kind of pulley yoke tangent constraint device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610373984.7A CN105910807B (en) | 2016-05-31 | 2016-05-31 | A kind of pulley yoke tangent constraint device |
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| Publication Number | Publication Date |
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| CN105910807A CN105910807A (en) | 2016-08-31 |
| CN105910807B true CN105910807B (en) | 2019-02-05 |
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| CN201610373984.7A Active CN105910807B (en) | 2016-05-31 | 2016-05-31 | A kind of pulley yoke tangent constraint device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114216663B (en) * | 2021-12-08 | 2024-04-09 | 中航西安飞机工业集团股份有限公司 | Device and method for restraining pulley frame of static force test of airplane flap slide rail |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104477404A (en) * | 2014-11-19 | 2015-04-01 | 中国航空工业集团公司沈阳飞机设计研究所 | Ground validation method of main load-bearing structural member of fuselage under large load |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US9771141B2 (en) * | 2013-09-24 | 2017-09-26 | The Boeing Company | Leading edge system and method for approach noise reduction |
| JP2016078584A (en) * | 2014-10-15 | 2016-05-16 | 三菱航空機株式会社 | aircraft |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104477404A (en) * | 2014-11-19 | 2015-04-01 | 中国航空工业集团公司沈阳飞机设计研究所 | Ground validation method of main load-bearing structural member of fuselage under large load |
Non-Patent Citations (1)
| Title |
|---|
| 后缘襟翼运动型式的选择及其分析;黄建国;《民用飞机设计与研究》;20091231;第8-12页 |
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