CN204008006U - A kind of pipeline internal force balance system - Google Patents
A kind of pipeline internal force balance system Download PDFInfo
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- CN204008006U CN204008006U CN201420401360.8U CN201420401360U CN204008006U CN 204008006 U CN204008006 U CN 204008006U CN 201420401360 U CN201420401360 U CN 201420401360U CN 204008006 U CN204008006 U CN 204008006U
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- internal force
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- force balance
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- 238000012360 testing method Methods 0.000 claims abstract description 52
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 18
- 239000010959 steel Substances 0.000 claims abstract description 18
- 238000009434 installation Methods 0.000 claims abstract description 7
- 239000000725 suspension Substances 0.000 claims description 7
- 230000008602 contraction Effects 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000004088 simulation Methods 0.000 abstract 1
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
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Abstract
The utility model belongs to carrier rocket pipeline low-temperature vibration test field, solves pipeline at the loading problem of low temperature inner pressure ring border bottom offset, the internal force that equalizing line pressurising produces simultaneously, the pipeline internal force balance system of protection corrugated tube in normal operating conditions.Its bearing base comprises " well " font framed structure, 4 tracks (1), hanging beam (12) and steel plate (4); Outermost track (1) is connected with column (2); Inner side track (1) is provided with steel plate (4), and steel plate (4) is for installing shaking table (5); Hanging beam (12) is for installation test pipeline (7); Test pipeline (7) is connected between shaking table (5) and hanging beam (12) by upper and lower two adapter flanges (6).Beneficial effect: the vibration end border of stiff end border that can simulation test pipeline and test pipeline, simultaneously can free adjustment adapter flange (6) highly, make to test that pipeline (7) produces axially, transversal displacement load.
Description
Technical field
The utility model belongs to carrier rocket pipeline low-temperature vibration test field, is specifically related to a kind of pipeline internal force balance system.
Background technology
Along with the development of China's aerospace industry, what New Launch was developed constantly brings forth new ideas, and on arrow, the ground environment of product test coverage rate is more and more wider, and is accompanied by improving constantly of experimental technique, and on arrow, the test condition of product is also more and more harsh, complicated.In order to simulate more really the state in product flight course on arrow, a large amount of combined environment testing conditions of low temperature, pressurising, displacement, vibration etc. become the main flow of ground environment test gradually.Therefore, need the research of carrying out combined environment testing method badly, to improve domestic test level, for the research and development of model provides more favourable foundation.
External certain model is all found a common problem in the summary after transmitting failure, that is exactly that pipe system exists the problem of design weak link repeatedly to cause the failure of launch mission, especially under combinational environment condition, therefore, unprecedented attention degree has also been brought up in the domestic test of the ground environment for pipe system, this also makes in the development process of carrier rocket of new generation, and the test of pipe system ground environment is subject to attention especially.And, because the corrugated tube in pipe system can produce axial deformation when the pressurising, if do not used restraint, can make corrugated tube exceed elastic deformation, cause pipeline unstability, inefficacy.In order to complete carrier rocket pipeline low-temperature vibration test task of new generation; need badly and provide a kind of pipeline that can solve at the loading problem of low temperature inner pressure ring border bottom offset; the internal force that equalizing line pressurising produces simultaneously, the pipeline internal force balance system of protection corrugated tube in normal operating conditions.
Utility model content
The purpose of this utility model is the problem existing for prior art, and a kind of pipeline internal force balance system is provided.
The technical scheme that realizes the utility model object is as follows:
The utility model provides a kind of pipeline internal force balance system, comprises bearing base, shaking table, adapter flange, adjustable tension balancing device; Bearing base comprises " well " font framed structure, 4 root posts, 4 tracks that parallel, hanging beam and the steel plates that 4 crossbeams form; 4 root posts lay respectively at the infall of 4 crossbeams, and perpendicular to " well " font framed structure plane; 4 tracks are parallel to each other, separately in surface-based groove; Outermost two tracks are connected with the lower end that is positioned at two root posts of the same side; Two tracks of inner side are provided with a block plate, can before and after two tracks, slide; Steel plate is provided with a plurality of mounting holes, for shaking table is installed; Between " well " font framed structure, be provided with hanging beam, for installation test pipeline; Shaking table is fixedly mounted on steel plate; Test pipeline is connected between shaking table and hanging beam by upper and lower two adapter flanges.
Pipeline internal force balance system of the present utility model also comprises adjustable tension balancing device, for preventing that the corrugated tube of testing pipeline 7 from extending inefficacy, can also make to test pipeline and keep vertical simultaneously.
Described adjustable tension balancing device comprises four or many stretch cords, and the two ends of every stretch cord are connected with respectively hoist and suspension ring; Four hoists are separately fixed at the crossbeam infall of " well " font framed structure, and stretch cord is connected with lower adapter flange by suspension ring.Pulling force on stretch cord makes to test pipeline in contraction state, avoids testing the middle corrugated tube of pipeline and extends inefficacy.
On described stretch cord, connect strong sensor.
Described stretch cord is 30 °～60 ° angles with the angle of test pipeline, is preferably 45 °.
Described every root post is all to be formed by the polylith ingot bar being connected successively with crossbeam; Ingot bar removably connects by rigidity screw.
Described hanging beam comprises horizontal component and vertical component, and horizontal component is arranged in " well " font framed structure, and vertical component is positioned in the middle of bearing base.
The beneficial effects of the utility model are:
Internal force balance system of the present utility model simulates the stiff end border of test pipeline by track, ingot bar and crossbeam, by adjustable tension balancing device and Research on Shaking Table for Simulating, go out to test the vibration end border of pipeline, adjustable tension balancing device can guarantee that jigging platform moving coil is all the time in normal direction of motion simultaneously, avoid pressing the internal force producing to make moving-coil generation transverse movement in pipeline, pin moving-coil.Adjustable tension balanced system is free to the height of adjusting switchover flange, makes pipeline produce axial, transversal displacement load, coordinates unit clamp can realize the angle load of pipeline simultaneously.
Accompanying drawing explanation
Fig. 1 is one-piece construction schematic diagram of the present utility model;
Fig. 2 is the structural representation of " well " font framed structure in Fig. 1;
Fig. 3 is the shape schematic diagram of Fig. 1 light plate;
In figure: 1-track, 2-column (ingot bar), 3-crossbeam, 4-steel plate, 5-shaking table, 6-adapter flange, 7-test pipeline (test specimen), 8-hoist, 9-stretch cord, 10-power sensor, 11-suspension ring, 12-hanging beam.
Embodiment
Below in conjunction with accompanying drawing, the technical solution of the utility model is further described.
The present embodiment provides a kind of pipeline internal force balance system, and its structure as shown in Figure 1, comprises bearing base, shaking table 5, adapter flange 6, adjustable tension balancing device.
Bearing base comprises " well " font framed structure, 4 root post 2,4 tracks that parallel 1, hanging beam 12 and steel plates 4 that 4 crossbeams 3 perpendicular to each other form.
4 root posts 2 lay respectively at the infall of 4 crossbeams 3, and perpendicular to " well " font framed structure plane, as shown in Figure 2; Every root post 2 is all to be formed by the polylith ingot bar being connected successively with crossbeam 3; Ingot bar removably connects by rigidity screw.4 tracks 1 are parallel to each other, separately in surface-based groove; Outermost two tracks 1 removably connect by rigidity screw with the lower end that is positioned at two root posts 1 of the same side; Column 2 can drive " well " font framed structure to move forward and backward along outermost two tracks 1; Two tracks 1 of inner side are provided with a block plate 4, can slide along two tracks, 1 front and back; Steel plate 4 is provided with a plurality of mounting holes, as shown in Figure 3, and for shaking table 5 is installed.
Between " well " font framed structure, be provided with hanging beam 12, for installation test pipeline 7, hanging beam 12 comprises horizontal component and vertical component, and horizontal component is arranged in " well " font framed structure, and vertical component is positioned in the middle of bearing base.
Shaking table 5 is fixedly mounted on steel plate 4, can along track 1, move forward and backward with steel plate 4.Test pipeline 7 is connected between shaking table 5 and hanging beam 12 by upper and lower two adapter flanges 6.Hanging beam 12 is connected with adapter flange 6, then installation test pipeline 7.By the mounting hole on steel plate 4, adjust the installation site of shaking table 5 on steel plate 4, make to test pipeline 7 and keep vertical.Meanwhile, the integrative-structure that bearing base and test pipeline 7 form can move forward and backward along track 1, realizes the position adjustment of whole pipeline internal force balance system.
Due to the corrugated tube elasticity of test in pipeline 7 a little less than, in experimentation, receive that interior pressure can extend, if do not limited, thereby corrugated tube can constantly extend until to exceed elastic deformation scope ineffective under interior pressure effect during test.Therefore, the pipeline internal force balance system of the present embodiment is also provided with adjustable tension balancing device, for preventing that the corrugated tube of testing pipeline 7 from extending inefficacy, can also make to test pipeline 7 and keep vertical simultaneously.
Adjustable tension balancing device comprises four or many stretch cords 9, and the two ends of every stretch cord 9 are connected with respectively hoist 8 and suspension ring 11, is also connected with four power sensors 10 on every stretch cord 9.Four hoists 8 are separately fixed at crossbeam 3 infalls of " well " font framed structure, and stretch cord 9 connects power sensor 10 and by suspension ring 11, is connected with lower adapter flange 6.Pulling force on stretch cord 9 makes to test pipeline 7 in contraction state, avoids testing the middle corrugated tube of pipeline 7 and extends inefficacy.Pulling force on stretch cord 9 is definite with the angle of test pipeline 7 according to the interior pressure of test pipeline 7, caliber and stretch cord 9, and power sensor 10 is for measuring the pulling force of stretch cord 9; Stretch cord 9 is approximately 30 °～60 ° angles conventionally with test pipeline 7.
In installation process, first load-bearing frame is installed, 82 meters of ingot bars divide four direction to be connected in track 1, it in the middle of 82 meters of ingot bars, is the rectangular steel plates 4 of 2.4 meters * 3.4 meters, 10 tons of horizontal vibration platforms 5 are installed in rectangular steel plates 4, on 82 meters of ingot bars of bearing base parallel horizontal two long be the crossbeam 3 of 6.3 meters, 3 of the 1.5 meters of horizontal strokes of being then separated by two crossbeams 3 long are the crossbeam 3 of 4.3 meters, middle 4.3 meters of crossbeams, 3 middle parts, lower ends connect ingot bar and adapter flanges 6; Next installation test pipeline 7; Adjustable tension balancing device is finally installed.
The internal force balance system that the present embodiment provides simulates the stiff end border of test pipeline 7 by track 1, column 2 and crossbeam 3, by adjustable tension balancing device and shaking table 5, simulate the vibration end border of test pipeline 7, adjustable tension balancing device can guarantee that jigging platform moving coil is all the time in normal direction of motion simultaneously, avoid pressing the internal force producing to make moving-coil generation transverse movement in pipeline, pin moving-coil.Adjustable tension balanced system is free to regulate the height of unit clamp, makes pipeline produce axial, transversal displacement load, coordinates unit clamp can realize the angle load of pipeline simultaneously.
Obviously, those skilled in the art can carry out various changes and modification and not depart from spirit and scope of the present utility model the utility model.If these are revised and within modification belongs to the scope of the utility model claim and equivalent technologies thereof, the utility model is also intended to comprise these changes and modification interior.
Claims (8)
1. a pipeline internal force balance system, comprises bearing base, shaking table (5), adapter flange (6), adjustable tension balancing device; Bearing base comprises " well " font framed structure, 4 root posts (2), 4 tracks that parallel (1), hanging beam (12) and the steel plate (4) that 4 crossbeams (3) form; 4 root posts (2) lay respectively at the infall of 4 crossbeams (3), and perpendicular to " well " font framed structure plane; 4 tracks (1) are parallel to each other, separately in surface-based groove; Outermost two tracks (1) are connected with the lower end that is positioned at two root posts (2) of the same side; Two tracks (1) of inner side are provided with a block plate (4), can before and after two tracks (1), slide; Steel plate (4) is provided with a plurality of mounting holes, for shaking table (5) is installed; Between " well " font framed structure, be provided with hanging beam (12), for installation test pipeline (7); Shaking table (5) is fixedly mounted on steel plate (4); Test pipeline (7) is connected between shaking table (5) and hanging beam (12) by upper and lower two adapter flanges (6).
2. a kind of pipeline internal force balance system as claimed in claim 1, is characterized in that: also comprise adjustable tension balancing device, for preventing that the corrugated tube of testing pipeline (7) from extending inefficacy, can also make to test pipeline (7) and keep vertical simultaneously.
3. a kind of pipeline internal force balance system as claimed in claim 2, it is characterized in that: described adjustable tension balancing device comprises four or many stretch cords (9), the two ends of every stretch cord (9) are connected with respectively hoist (8) and suspension ring (11); Four hoists (8) are separately fixed at crossbeam (3) infall of " well " font framed structure, stretch cord (9) is connected with lower adapter flange (6) by suspension ring 11, pulling force on stretch cord 9 makes to test pipeline (7) in contraction state, avoids testing the middle corrugated tube of pipeline (7) and extends inefficacy.
4. a kind of pipeline internal force balance system as claimed in claim 3, is characterized in that: on described every stretch cord 9, connect strong sensor 10.
5. a kind of pipeline internal force balance system as claimed in claim 3, is characterized in that: described stretch cord 9 is 30 °～60 ° angles with the angle of test pipeline (7).
6. a kind of pipeline internal force balance system as claimed in claim 3, is characterized in that: described stretch cord 9 is 45° angle with test pipeline (7).
7. a kind of pipeline internal force balance system as claimed in claim 1, is characterized in that: described every root post (2) is all to be formed by the polylith ingot bar being connected successively with crossbeam (3); Ingot bar removably connects by rigidity screw.
8. a kind of pipeline internal force balance system as claimed in claim 1, is characterized in that: described hanging beam (12) comprises horizontal component and vertical component, and horizontal component is arranged in " well " font framed structure, and vertical component is positioned in the middle of bearing base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420401360.8U CN204008006U (en) | 2014-07-21 | 2014-07-21 | A kind of pipeline internal force balance system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420401360.8U CN204008006U (en) | 2014-07-21 | 2014-07-21 | A kind of pipeline internal force balance system |
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| CN204008006U true CN204008006U (en) | 2014-12-10 |
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| CN201420401360.8U Expired - Lifetime CN204008006U (en) | 2014-07-21 | 2014-07-21 | A kind of pipeline internal force balance system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107014576A (en) * | 2017-03-15 | 2017-08-04 | 北京强度环境研究所 | A kind of spatial pipeline system vibration test fixture |
| CN108760118A (en) * | 2018-03-09 | 2018-11-06 | 北京航天控制仪器研究所 | A kind of device and method measuring Inertial Platform mass unbalance torque |
| CN111947901A (en) * | 2020-09-23 | 2020-11-17 | 北京强度环境研究所 | Novel spring steel cable free boundary simulation system |
| CN113514216A (en) * | 2021-06-11 | 2021-10-19 | 北京航天动力研究所 | Device and method for realizing dry-wet modal test of metal corrugated pipe assembly |
| CN118111653A (en) * | 2024-04-30 | 2024-05-31 | 江苏欧皇电动科技有限公司 | Front fork vibration test platform |
-
2014
- 2014-07-21 CN CN201420401360.8U patent/CN204008006U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107014576A (en) * | 2017-03-15 | 2017-08-04 | 北京强度环境研究所 | A kind of spatial pipeline system vibration test fixture |
| CN108760118A (en) * | 2018-03-09 | 2018-11-06 | 北京航天控制仪器研究所 | A kind of device and method measuring Inertial Platform mass unbalance torque |
| CN108760118B (en) * | 2018-03-09 | 2020-07-14 | 北京航天控制仪器研究所 | Device and method for measuring mass unbalance moment of platform body of inertia platform |
| CN111947901A (en) * | 2020-09-23 | 2020-11-17 | 北京强度环境研究所 | Novel spring steel cable free boundary simulation system |
| CN111947901B (en) * | 2020-09-23 | 2022-11-22 | 北京强度环境研究所 | Novel spring steel cable free boundary simulation system |
| CN113514216A (en) * | 2021-06-11 | 2021-10-19 | 北京航天动力研究所 | Device and method for realizing dry-wet modal test of metal corrugated pipe assembly |
| CN118111653A (en) * | 2024-04-30 | 2024-05-31 | 江苏欧皇电动科技有限公司 | Front fork vibration test platform |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141210 |
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| CX01 | Expiry of patent term |