CN208291489U - Aeroengine pipeline fixed structure - Google Patents
Aeroengine pipeline fixed structure Download PDFInfo
- Publication number
- CN208291489U CN208291489U CN201820869358.1U CN201820869358U CN208291489U CN 208291489 U CN208291489 U CN 208291489U CN 201820869358 U CN201820869358 U CN 201820869358U CN 208291489 U CN208291489 U CN 208291489U
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- pull rod
- adjustment screw
- fixed structure
- screw
- pipeline fixed
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Abstract
The utility model provides a kind of aeroengine pipeline fixed structure, comprising: adjustment screw offers axial through-hole, is provided with screw thread in through-hole；First pull rod, one end are threadedly coupled with adjustment screw, and are at least partially disposed in adjustment screw, and the other end of the first pull rod is ring structure, are provided with the first oscillating bearing in ring structure；Second pull rod, one end are threadedly coupled with adjustment screw, and are at least partially disposed in adjustment screw, and the other end of the second pull rod is ring structure, are provided with second joint bearing in ring structure；Belt package is connect with the first oscillating bearing；Bracket is connect with second joint bearing.The multiple degrees of freedom compensation of the displacement of pipeline, angle is realized by the adjusting of rod length and oscillating bearing.
Description
Technical field
The utility model relates to technical field of aerospace, and in particular to a kind of aeroengine pipeline fixed structure.
Background technique
There are the accumulations of manufacturing tolerance in manufacturing process for aeroengine pipeline at present, cause pipeline in kind and design point
There are certain deviations, then need to take measures to reduce or eliminate deviation in pipeline installation, to reach unstressed assembly.For
Minor diameter pipeline, since its rigidity is weaker, the mode that correction can be used reduces deviation and meets matching requirements.And for large diameter pipe
Road (caliber is greater than 40mm), since its rigidity is stronger, pipeline correction is very difficult, and satisfaction assembly is remained difficult after correcting repeatedly and is wanted
It asks.In order to reduce major diameter pipeline corrected rate, meet installation requirement, the method taken in the prior art specifically includes that pipeline point
Section reduces single conduit length, reduces manufacturing tolerance accumulation, while using plug-in type rubber sealing structure, pipe joint
It can carry out sliding relatively in axis direction, realize the bit shift compensation on pipeline axis direction；Bracket is fixed using slotted hole,
By the adjustment of installation site, the deviation of compensation conduit realizes the bit shift compensation in plane.
But above-mentioned mode has the following problems: although can be public by reducing manufacture by the way of pipeline segmentation
Difference accumulation, reduces the installation deviation of pipeline entirety, but can not eliminate installation deviation, still falls within band stress and assembles；Plug-in type cushion rubber
Sealing structure compensation ability is weaker, is only able to achieve pipeline axis direction bit shift compensation, the ability of angular compensatory, not cannot achieve
Multiple degrees of freedom compensation；Using the fixed bracket of slotted hole, by the adjustment of installation site, it can be achieved that bit shift compensation in plane, but
Also without angular compensatory ability, multiple degrees of freedom compensation cannot achieve.
Thus, it is desirable to have a kind of technical solution overcomes or at least mitigates at least one above problem of the prior art.
Utility model content
The purpose of this utility model is to provide a kind of aeroengine pipeline fixed structures to show to overcome or at least mitigate
There is at least one above problem in technology.
To achieve the above object, the utility model provides a kind of aeroengine pipeline fixed structure, the aviation hair
Motivation pipeline fixing structure includes: adjustment screw, offers axial through-hole, is provided with screw thread in the through-hole；First draws
Bar, one end are threadedly coupled with the adjustment screw, and are at least partially disposed in the adjustment screw, first pull rod
The other end be ring structure, be provided with the first oscillating bearing in the ring structure；Second pull rod, one end and the adjustment
Screw flight connection, and be at least partially disposed in the adjustment screw, the other end of second pull rod is ring structure,
Second joint bearing is provided in the ring structure；Belt package is connect with first oscillating bearing；Bracket, with
The second joint bearing connection.
Preferably, the direction of rotation of the screw thread at the through-hole both ends is opposite.
Preferably, the belt package is connect by the first screw and the first self-locking nut with first oscillating bearing.
Preferably, the bracket is connect by the second screw and the second self-locking nut with the second joint bearing.
Preferably, windowpane is offered in the adjustment screw.
Preferably, scale is provided on the windowpane.
The utility model realizes pipeline displacement, the multiple degrees of freedom of angle is mended by using the Tiebar structure with oscillating bearing
It repays, structure is simple, and compensation ability is strong, and the pipeline of plurality of specifications can be adapted to by changing the diameter of band.Pass through above-mentioned structure
It can be realized the purpose of the unstressed assembly of pipeline, to effectively reduce pipeline correction work amount, improve interchangeability, the dress of pipeline
With efficiency, cost of labor is reduced.
Further, angular compensatory is realized by oscillating bearing, bit shift compensation, the two is realized by the adjusting of rod length
Combination forms the Tiebar structure with oscillating bearing, to realize the multiple degrees of freedom compensation of the displacement of major diameter pipeline, angle.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is first drawbar structure diagram of the utility model；
Fig. 3 is second drawbar structure diagram of the utility model.
Appended drawing reference:
1, bracket；2, the first oscillating bearing；3, screw；4, self-locking nut；5, the first pull rod；6, the second pull rod；7, second
Oscillating bearing；8, adjustment screw；9, belt package；10, conduit.
Specific embodiment
To keep the purposes, technical schemes and advantages of the utility model implementation clearer, below in conjunction with the utility model
Attached drawing in embodiment, is further described in more detail the technical scheme in the embodiment of the utility model.In the accompanying drawings, from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Described reality
Applying example is the utility model a part of the embodiment, instead of all the embodiments.Below with reference to the embodiment of attached drawing description
It is exemplary, it is intended to for explaining the utility model, and should not be understood as limiting the present invention.It is practical new based on this
Embodiment in type, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, fall within the protection scope of the utility model.The embodiments of the present invention are described in detail with reference to the accompanying drawing.
In the description of the present invention, it should 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 describing the present invention and simplifying the description, rather than indication or suggestion is signified
Device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this is practical
The limitation of novel protected range is not understood to indicate or imply in addition, term " first ", " second " are used for description purposes only
Relative importance.
Referring to figure 1, figure 2 and figure 3, Fig. 1 is the structural schematic diagram of the utility model, and Fig. 2 is first drawing of the utility model
Rod structure schematic diagram, Fig. 3 are second drawbar structure diagrams of the utility model.As shown in Figure 1, Figure 2 and Figure 3, aeroplane engine
Machine pipeline fixation kit includes adjustment screw 8, the first pull rod 5 and the second pull rod 6, wherein is offered in adjustment screw 8 axial
Through-hole；One end of first pull rod 5 is threadedly coupled with adjustment screw 8, and is at least partially disposed in adjustment screw 8, the other end
For first annular structure, the first oscillating bearing 2 is provided in the first annular structure；One end of second pull rod 6 and adjustment spiral shell
Bar 8 is threadedly coupled and is at least partially disposed in adjustment screw 8, and the other end is the second ring structure, in second ring junction
Second joint bearing 7 is provided in structure.Setting in this way, the first pull rod 5 and/or the second pull rod 6 can be by tightening/twisting
Pine realizes that the first pull rod 5 and/or the second pull rod 6 protrude into or exit through-hole, to realize the first pull rod 5, the second pull rod 6 and adjust
Whole screw rod 8 come realize the pipeline fixing structure bit shift compensation adjust.
It will be appreciated to those of skill in the art that can not only be offered in adjustment screw 8 along its axial through-hole, also
It can be and offered respectively at the both ends of adjustment screw 8 along its axial blind hole, as long as meeting the first screw pull rod 5 and the second spiral shell
Rotation pull rod 6 is at least partially disposed in respectively in adjustment screw 8, and can adjust adjustment screw 8, the first pull rod 5 and the second drawing
The total length of bar 6, to realize the bit shift compensation of pipeline installation.
Aeroengine pipeline fixed structure further includes belt package 9, which is mounted on conduit, and binds round
Band component 9 is connected on the first screw pull rod 5 by screw 3 and self-locking nut 4, and specifically, screw 3 is each passed through belt package
9 and first annular structure at the first oscillating bearing 2 and connect with self-locking nut.That is, by by belt package 9 and
The connection of one oscillating bearing 2, can be realized the first pull rod 5 relative to belt package 9 can Multi-angle free rotation, that is, realize the
Angle multiple degrees of freedom compensation between one pull rod and belt package 9.It will be appreciated to those of skill in the art that by changing hoop
Diameter with component 9, so that belt package 9 be made to can adapt to the pipeline of plurality of specifications.
It is provided with bracket 1 on the second joint bearing 7 at the second ring structure of the second pull rod 6, specifically, passes through spiral shell
Nail 3 is each passed through bracket 1 and second joint bearing 7 and connect with self-locking nut 4, draws so that bracket 1 is connected to the second spiral
On bar 6.That is, can be realized the second screw pull rod 6 relative to bracket by the way that bracket 1 to be connect with second joint bearing 7
1 can Multi-angle free rotation, that is, realize between the second screw pull rod and bracket 1 angle multiple degrees of freedom compensation.
Bracket 1 includes the interconnecting piece connecting with the second pull rod, which is made of two connection sheets with mounting hole,
The connection sheet is fixedly connected in mounting base, and several threaded holes are provided in mounting base, can be fixedly connected by the threaded hole
The side wall of aero-engine or some support constructions in aero-engine on.
In some alternative embodiments, the direction of rotation of the screw thread at through-hole both ends on the first pull rod 5 on the contrary, be provided with
External screw thread and with the threaded connection in through-hole, be provided on the second pull rod 6 external screw thread and with the threaded connection in through-hole.In pipeline
It installs in fixation procedure, by the first pull rod 5 of rotation, the second pull rod 6 or adjustment screw 8, can be realized pipeline installation process
In bit shift compensation, to increase the applicability of the pipeline fixing structure, and be conducive to the peace of pipeline in aero-engine
Dress is fixed.
It will be appreciated to those of skill in the art that be arranged in the screw thread at through-hole both ends direction of rotation can on the contrary,
Can be identical, it is displaced in pipeline installation process as long as meeting and can be realized by the first pull rod 5 of rotation and/or second pull rod 6
Compensation.
In some alternative embodiments, it is provided with windowpane in adjustment screw 8, and is provided with quarter on windowpane
Degree is able to observe that when adjusting the displacement between the first pull rod 5, the second pull rod 6 and adjustment screw 8 by windowpane
The distance between first pull rod 5 and the second pull rod 6 in adjustment screw 8, moreover, passing through the scale on viewing window, moreover it is possible to
The size for accessing the displacement between the first pull rod 5, the second pull rod 6 and adjustment screw 8, to facilitate more accurate tune
The displacement is saved, and then realizes that the accurate installation of aeroengine pipeline is fixed.
In the above-described embodiment, by the way that by belt package 9 and piping connection to be installed, bracket 1 is installed to fixing pipe
On the device on road, by the mutual cooperation between the first pull rod 5, the second pull rod 6 and adjustment screw 8, pipeline peace can be realized
More freedom of displacement, angle when dress all compensate.
Finally it is noted that above embodiments are only to illustrate the technical solution of the utility model, rather than it is limited
System.Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should be managed
Solution: it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the utility model that it does not separate the essence of the corresponding technical solution
The spirit and scope of technical solution.
Claims (6)
1. a kind of aeroengine pipeline fixed structure, which is characterized in that the aeroengine pipeline fixed structure includes
Adjustment screw offers axial through-hole, is provided with screw thread in the through-hole；
First pull rod, one end are threadedly coupled with the adjustment screw, and are at least partially disposed in the adjustment screw, institute
The other end for stating the first pull rod is ring structure, is provided with the first oscillating bearing in the ring structure；
Second pull rod, one end are threadedly coupled with the adjustment screw, and are at least partially disposed in the adjustment screw, institute
The other end for stating the second pull rod is ring structure, is provided with second joint bearing in the ring structure；
Belt package is connect with first oscillating bearing；
Bracket is connect with the second joint bearing.
2. aeroengine pipeline fixed structure according to claim 1, which is characterized in that the through-hole both ends it is described
The direction of rotation of screw thread is opposite.
3. aeroengine pipeline fixed structure according to claim 1, which is characterized in that the belt package passes through the
One screw and the first self-locking nut are connect with first oscillating bearing.
4. aeroengine pipeline fixed structure according to claim 1, which is characterized in that the bracket passes through the second spiral shell
Nail and the second self-locking nut are connect with the second joint bearing.
5. aeroengine pipeline fixed structure according to any one of claim 1 to 4, which is characterized in that the tune
Windowpane is offered on whole screw rod.
6. aeroengine pipeline fixed structure according to claim 5, which is characterized in that be provided on the windowpane
Scale.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820869358.1U CN208291489U (en) | 2018-06-06 | 2018-06-06 | Aeroengine pipeline fixed structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820869358.1U CN208291489U (en) | 2018-06-06 | 2018-06-06 | Aeroengine pipeline fixed structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208291489U true CN208291489U (en) | 2018-12-28 |
Family
ID=64723911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820869358.1U Active CN208291489U (en) | 2018-06-06 | 2018-06-06 | Aeroengine pipeline fixed structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208291489U (en) |
-
2018
- 2018-06-06 CN CN201820869358.1U patent/CN208291489U/en active Active
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