CN107192540A - Band net compensator pipe-line system stiffness characteristics experimental rig - Google Patents
Band net compensator pipe-line system stiffness characteristics experimental rig Download PDFInfo
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- CN107192540A CN107192540A CN201610147741.1A CN201610147741A CN107192540A CN 107192540 A CN107192540 A CN 107192540A CN 201610147741 A CN201610147741 A CN 201610147741A CN 107192540 A CN107192540 A CN 107192540A
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- loading system
- automatic actuator
- load plate
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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
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Abstract
The present invention relates to finite element analysis technical field, a kind of band net compensator pipe-line system stiffness characteristics experimental rig is specifically disclosed.A kind of band net compensator pipe-line system stiffness characteristics experimental rig, the experimental rig includes load plate, X to loading system and Y-direction loading system, wherein, load plate vertical direction is connected by Y-direction loading system and Y-direction transfer block with carrying portal frame upper end, and load plate horizontal plane is connected by X to loading system and X to transfer block with carrying the side wall of portal frame；Pipeline one end is connected by filling flange with load plate, and the pipeline other end is fixedly connected by being pressurized flange with limiting bracket, wherein, limiting bracket is connected with the bolster stake block fixed on the ground.It is of the present invention it is a kind of with net compensator pipe-line system stiffness characteristics experimental rig can simulation test piece displacement load condition, solve the restricted problem of the free degree, reference frame and technical support provided for other same type slow tests.
Description
Technical field
The invention belongs to finite element analysis technical field, and in particular to a kind of band net compensator pipe-line system
Stiffness characteristics experimental rig.
Background technology
Pipe-line system with compensator is widely used in rocket, guided missile, and the rigidity of pipe-line system is determined
How load distribution on connection member section, accurately describe the rigidity of pipe-line system for section load
It is determined that and the strength check of part have a vital effect, and the compensator of pipeline is general all more multiple
It is miscellaneous, generally it is made up of the bellows and metal hose of multilayer, substantial amounts of contact, which exists, make it that non-linear phenomena is bright
Show, and the rigidity of structure is influenceed by external applied load, therefore, for the pipe-line system with compensator,
Common engineering simplification method and finite element method are hard to work, generally require by substantial amounts of stiffness test come
Determine the rigidity of system.
In rocket development work, core one-level liquid oxygen delivery pipe and the load of valve interface before engine pump are found
It is larger, found in the strength check before certain model engine test, the load mistake provided due to pipe section
Greatly, result in the hose flange insufficient strength of engine, found in many wheels are calculated, the bellows of multilayer and
The rigidity pair cross-section load of metal hose sub-assembly has large effect, how accurately to characterize compensator
Rigidity pair cross-section load is particularly important.The exposure of the problem influences great to Project R＆D, there is larger technology
Risk, directly produces significant impact to core first order kinetics system test run and sample technical scheme.
The content of the invention
It is an object of the invention to provide a kind of band net compensator pipe-line system stiffness characteristics experimental rig, its
Can be with the displacement load condition of simulation test piece, unstability, destruction, knot do not occur under maximum load for testpieces
Structure intensity, which is met, to be required, test data accurately and reliably, truly reflects deformation of the testpieces under stress
Situation, is consistent substantially with the calculated results.
Technical scheme is as follows：A kind of band net compensator pipe-line system stiffness characteristics experimental rig,
The experimental rig includes load plate, X to loading system and Y-direction loading system, wherein, load plate is square vertically
It is connected to by Y-direction loading system and Y-direction transfer block with carrying portal frame upper end, load plate horizontal plane
It is connected by X to loading system and X to transfer block with carrying the side wall of portal frame；Pipeline one end passes through
Filling flange is connected with load plate, and the pipeline other end is fixedly connected by being pressurized flange with limiting bracket, its
In, limiting bracket is connected with the bolster stake block fixed on the ground.
Described X includes the first X to loading system, the 2nd X to loading system and the 3rd to loading system
X is provided with three bolts hole to loading system in load plate horizontal direction, the first X being parallel to each other two-by-two to
Loading system, the 2nd X are mutually solid with load plate horizontal plane to loading system and the 3rd X to loading system one end
Fixed, the other end is connected by X to transfer block with carrying portal frame.
Described Y-direction loading system includes the first Y-direction loading system and the second Y-direction loading system, loading
Plate vertical direction is provided with two bolts hole, the first Y-direction loading system being parallel to each other and the second Y-direction loading system
One end of system is connected with the bolt hole of load plate vertical direction, and the other end is connected with Y-direction transfer block.
The first described X includes automatic actuator C and dynamometer C to loading system, and the 2nd X is to loading
System includes automatic actuator D and dynamometer D, the 3rd X includes automatic actuator E and dynamometry to loading system
Count E；Three bolts hole of load plate horizontal direction using single ears successively with dynamometer C and automatic actuator
C, dynamometer D are connected with automatic actuator D, dynamometer E with automatic actuator E, for realizing X
To displacement load apply and obtain power load feedback, wherein, automatic actuator C, automatic actuator D
It is connected with the automatic actuator E other end by single ears by X to transfer block with carrying portal frame.
The first described Y-direction loading system includes automatic actuator A and dynamometer A, the second Y-direction loading system
System includes automatic actuator B and dynamometer B；Two bolts hole of load plate vertical direction using single ears according to
It is secondary to be connected with dynamometer A and automatic actuator A, dynamometer B and automatic actuator B, for realizing Y
To displacement load apply and obtain power load feedback；Automatic actuator A's and automatic actuator B is another
End is connected with Y-direction transfer block and carrying portal frame successively by single ears.
Three bolts hole in angular distribution are provided with described load plate horizontal direction.
Described load plate vertical direction is provided with spacing 400mm two bolts hole.
The remarkable result of the present invention is：A kind of band net compensator pipe-line system rigidity of the present invention is special
Property experimental rig can simulation test piece displacement load condition, solve the restricted problem of the free degree, be other
Same type slow test provides reference frame and technical support.
Brief description of the drawings
Fig. 1 shows for a kind of band net compensator pipe-line system stiffness characteristics experimental rig structure of the present invention
It is intended to；
In figure：1st, portal frame is carried；2nd, Y-direction transfer block；3rd, automatic actuator A；4th, dynamometer A；
5th, automatic actuator B；6th, dynamometer B；7th, automatic actuator C；8th, dynamometer C；9th, from action
Dynamic device D；10th, dynamometer D；11st, automatic actuator E；12nd, dynamometer E；13rd, load plate；14、
Fill flange；15th, pipeline；16th, it is pressurized flange；17th, limiting bracket；18th, bolster stake block；19、X
To transfer block.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment is described in further detail to the present invention.
As shown in figure 1, a kind of band net compensator pipe-line system stiffness characteristics experimental rig include load plate 13,
X to loading system and Y-direction loading system, wherein, the vertical direction of load plate 13 by Y-direction loading system with
And Y-direction transfer block 2 is connected with carrying portal frame 1 upper end, the horizontal plane of load plate 13 is by X to loading
System and X are connected to transfer block 19 with carrying the side wall of portal frame 1；The one end of pipeline 15 passes through filling
Flange 14 is connected with load plate 13, and the other end of pipeline 15 is by being pressurized flange 16 and the spiral shell of limiting bracket 17
Bolt is fixedly connected, wherein, limiting bracket 17 is connected with the bolster stake block 18 fixed on the ground；
Y-direction loading system includes the first Y-direction loading system and the second Y-direction loading system, load plate 13
Vertical direction is provided with spacing 400mm two bolts hole, the first Y-direction loading system being parallel to each other and second
One end of Y-direction loading system is connected with the bolt hole of the vertical direction of load plate 13, and the other end is transferred with Y-direction
Block 2 is connected；Wherein, the first Y-direction loading system includes automatic actuator A3 and dynamometer A4, second
Y-direction loading system includes automatic actuator B5 and dynamometer B6；Two bolts of the vertical direction of load plate 13
Hole using single ears successively with dynamometer A4 and automatic actuator A3, dynamometer B6 and automatic actuator B5
It is connected, for realizing that the displacement load of Y-direction applies and obtained power load feedback；Automatic actuator A3
With the automatic actuator B5 other end by single ears successively with Y-direction transfer block 2 and carrying portal frame 1
Connection；
X includes the first X to loading system, the 2nd X to loading system and the 3rd X to adding to loading system
Three bolts hole in angular distribution are provided with loading system, the horizontal direction of load plate 13, are parallel to each other two-by-two
First X is to loading system, the 2nd X to loading system and the 3rd X to loading system one end and load plate 13
Horizontal plane is mutually fixed, and the other end is connected by X to transfer block 19 with carrying portal frame 1；Wherein, first
X includes automatic actuator C7 and dynamometer C8, the 2nd X to loading system to be included from action to loading system
Dynamic device D9 and dynamometer D10, the 3rd X include automatic actuator E11 and dynamometer E12 to loading system；
Three bolts hole of the horizontal direction of load plate 13 using single ears successively with dynamometer C8 and automatic actuator
C7, dynamometer D10 are connected with automatic actuator D9, dynamometer E12 with automatic actuator E11, use
Come realize X to displacement load apply and obtain power load and feed back, wherein, it is automatic actuator C7, automatic
Actuator D9 and automatic actuator the E11 other end are imperial with carrying to transfer block 19 by X by single ears
Door frame 1 is connected.
By controlling automatic actuator C7, automatic actuator D9 and automatic actuator E11 piston rod to stretch out
The X for measuring to realize the end of pipeline 15 being connected for load plate 13 applies to displacement load, passes through dynamometer
C8, dynamometer D10 and dynamometer E12 obtain power load feedback；If the pipeline being connected with load plate 13
15 end X are Lx to displacement, and dynamometer C8, dynamometer D10 and dynamometer E12 obtain power load value of feedback
Respectively Fc, Fd, Fe, then the X of pipeline 15 is to rigidity value Kx=(Fc+Fd+Fe)/Lx.
Realized by controlling automatic actuator A3 and automatic actuator B5 piston rod overhang for loading
The Y-direction displacement load at the end of pipeline 15 that plate 13 is connected applies, and is obtained by dynamometer A4 and dynamometer B5
Capable load feedback；If the end Y-direction displacement of pipeline 15 being connected with load plate 13 is Ly, dynamometer A4
The Y-direction rigidity value Ky=(Fa+Fb) that power load value of feedback is Fa, Fb, then pipeline 15 is obtained with dynamometer B5
/Ly。
Claims (7)
1. a kind of band net compensator pipe-line system stiffness characteristics experimental rig, it is characterised in that：The experiment is filled
Put including load plate (13), X to loading system and Y-direction loading system, wherein, load plate (13) is vertical
Direction is connected by Y-direction loading system and Y-direction transfer block (2) with carrying portal frame (1) upper end,
Load plate (13) horizontal plane is by X to loading system and X to transfer block (19) with carrying portal frame (1)
Side wall be connected；Pipeline (15) one end is connected by filling flange (14) with load plate (13),
Pipeline (15) other end is fixedly connected by being pressurized flange (16) with limiting bracket (17), wherein, limit
Position support (17) is connected with the bolster stake block (18) fixed on the ground.
2. a kind of band net compensator pipe-line system stiffness characteristics experimental rig according to claim 1,
It is characterized in that：Described X includes the first X to loading system, the 2nd X to loading system to loading system
And the 3rd X to loading system, be provided with three bolts hole in load plate (13) horizontal direction, two-by-two mutually
The first parallel X is to loading system, the 2nd X to loading system and the 3rd X to loading system one end with adding
Support plate (13) horizontal plane is mutually fixed, and the other end is by the way that X is to transfer block (19) and carries portal frame (1) phase
Connection.
3. a kind of band net compensator pipe-line system stiffness characteristics experimental rig according to claim 1,
It is characterized in that：Described Y-direction loading system includes the first Y-direction loading system and the second Y-direction loading system
System, load plate (13) vertical direction is provided with two bolts hole, the first Y-direction loading system being parallel to each other and
One end of second Y-direction loading system is connected with the bolt hole of load plate (13) vertical direction, the other end with
Y-direction transfer block (2) is connected.
4. a kind of band net compensator pipe-line system stiffness characteristics experimental rig according to claim 2,
It is characterized in that：The first described X includes automatic actuator C (7) and dynamometer C (8) to loading system,
2nd X includes automatic actuator D (9) and dynamometer D (10) to loading system, and the 3rd X is to loading
System includes automatic actuator E (11) and dynamometer E (12)；Three spiral shells of load plate (13) horizontal direction
Keyhole using single ears successively with dynamometer C (8) and automatic actuator C (7), dynamometer D (10) and
Automatic actuator D (9), dynamometer E (12) are connected with automatic actuator E (11), for realizing X
To displacement load apply and obtain power load feedback, wherein, automatic actuator C (7), automatic actuator
D (9) and automatic actuator E (11) other end by single ears by X to transfer block (19) with holding
Portal frame (1) is carried to be connected.
5. a kind of band net compensator pipe-line system stiffness characteristics experimental rig according to claim 3,
It is characterized in that：The first described Y-direction loading system includes automatic actuator A (3) and dynamometer A (4),
Second Y-direction loading system includes automatic actuator B (5) and dynamometer B (6)；Load plate (13) is vertical
Two bolts hole in direction using single ears successively with dynamometer A (4) and automatic actuator A (3), dynamometry
Meter B (6) is connected with automatic actuator B (5), for realizing the displacement load application of Y-direction and obtaining
Capable load feedback；Automatic actuator A (3) and automatic actuator B (5) other end by single ears according to
It is secondary to be connected with Y-direction transfer block (2) and carrying portal frame (1).
6. a kind of band net compensator pipe-line system stiffness characteristics experiment dress according to claim 2 or 4
Put, it is characterised in that：Three bolts in angular distribution are provided with described load plate (13) horizontal direction
Hole.
7. a kind of band net compensator pipe-line system stiffness characteristics experiment dress according to claim 3 or 5
Put, it is characterised in that：Described load plate (13) vertical direction is provided with spacing 400mm two bolts hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610147741.1A CN107192540A (en) | 2016-03-15 | 2016-03-15 | Band net compensator pipe-line system stiffness characteristics experimental rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610147741.1A CN107192540A (en) | 2016-03-15 | 2016-03-15 | Band net compensator pipe-line system stiffness characteristics experimental rig |
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| Publication Number | Publication Date |
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| CN107192540A true CN107192540A (en) | 2017-09-22 |
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| CN201610147741.1A Pending CN107192540A (en) | 2016-03-15 | 2016-03-15 | Band net compensator pipe-line system stiffness characteristics experimental rig |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110455519A (en) * | 2019-08-27 | 2019-11-15 | 北京强度环境研究所 | A kind of shear-deformable lateral rigidity test system of pipe-line system high temperature internal pressure |
| CN112115585A (en) * | 2020-08-25 | 2020-12-22 | 蓝箭航天空间科技股份有限公司 | Carrier rocket pipeline compensator rigidity array calculation method |
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| CN201382233Y (en) * | 2009-03-20 | 2010-01-13 | 北京兴达波纹管有限公司 | Full external pressure balanced type corrugated compensator |
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Cited By (3)
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| CN110455519A (en) * | 2019-08-27 | 2019-11-15 | 北京强度环境研究所 | A kind of shear-deformable lateral rigidity test system of pipe-line system high temperature internal pressure |
| CN112115585A (en) * | 2020-08-25 | 2020-12-22 | 蓝箭航天空间科技股份有限公司 | Carrier rocket pipeline compensator rigidity array calculation method |
| CN112115585B (en) * | 2020-08-25 | 2021-07-23 | 蓝箭航天空间科技股份有限公司 | Carrier rocket pipeline compensator rigidity array calculation method |
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