CN203857968U - Multidimensional vibration environment loading system of double-inertial unit bracket system - Google Patents
Multidimensional vibration environment loading system of double-inertial unit bracket system Download PDFInfo
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- CN203857968U CN203857968U CN201420282695.2U CN201420282695U CN203857968U CN 203857968 U CN203857968 U CN 203857968U CN 201420282695 U CN201420282695 U CN 201420282695U CN 203857968 U CN203857968 U CN 203857968U
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- 238000012360 testing method Methods 0.000 claims abstract description 58
- 239000000725 suspension Substances 0.000 claims abstract description 16
- 229910000838 Al alloy Inorganic materials 0.000 claims description 6
- 239000000956 alloy Substances 0.000 claims description 6
- 229910001018 Cast iron Inorganic materials 0.000 claims description 3
- 229910000737 Duralumin Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000001228 spectrum Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of environment testing, in particular relates to a multidimensional vibration environment loading system of a double-inertial unit bracket system and aims to solve the problem that the double-inertial unit bracket system cannot be subjected to multidimensional vibration environment loading in the conventional ground test system. The multidimensional vibration environment loading system is characterized by comprising a 2-ton vibration table (1), a hydraulic bulb (2), an extended connecting rod (3), a test table-board (4), a 5-ton vibration table (5), a vibration table foundation (6) and a suspension system (7), wherein the 2-ton vibration table (1) is connected with the hydraulic bulb (2); the 5-ton vibration table (5) is connected with the hydraulic bulb (2); one end of the extended connecting rod (3) is connected with the hydraulic bulb (2), and other end of the extended connecting rod (3) is connected with the test table-board (4); the test table-board (4) is connected with the suspension system (7); the 5-ton vibration table (5) is arranged above the vibration table foundation (6). According to the multidimensional vibration environment loading system, a navigation accuracy test of the double-inertial unit bracket system in a multidimensional vibration environment can be realized.
Description
Technical field
The utility model relates to environmental test technical field, is specifically related to a kind of two multi-dimensional vibration environment loading system of being used to pack support system.
Background technology
Laser is used to the navigation measuring equipment of group as carrier rocket, and its navigation accuracy under vibration mechanics environment is the focal point of control system.Be used to the navigation accuracy of group by laser under examination vibration environment, can study the factor that affects navigation accuracy, and then propose innovative approach elimination or reduce harmful effect, be used to group high-acruracy survey to the motion of rocket line and angular motion under vibration environment to realize laser.It is the multi-dimensional vibration of six degree of freedom that laser is used to the vibration environment that group is subject in working flight, requires, in ground experiment, laser is used to group and applies multi-dimensional vibration, more realistically analog operation environment.
Existing ground system test size is little, cannot in two multi-dimensional vibration navigation accuracy tests of being used to pack support system, realize two pack support systems of being used to are carried out to the loading of multi-dimensional vibration environment.
Summary of the invention
The purpose of this utility model is to solve existing ground system test cannot complete the problem of being used to pack support system and carrying out the loading of multi-dimensional vibration environment two, provide a kind of can be to two two multi-dimensional vibration environment loading systems of being used to pack support system of being used to pack support system and carrying out the detection of multi-dimensional vibration navigation accuracy.
The utility model is achieved in that
Two multi-dimensional vibration environment loading systems of being used to pack support system, comprise 2 tons of shaking tables, hydraulic pressure bulb, extend commutation rod, test table top, 5 tons of shaking tables, shaking table basis and suspension systems; 2 tons of shaking tables are connected with the one end that extends commutation rod by hydraulic pressure bulb, and the other end that extends commutation rod is connected with the lower surface of experiment table top; 5 tons of shaking tables are connected with the one end that extends commutation rod by hydraulic pressure bulb, and the other end that extends commutation rod is connected with the side end face of experiment table top; The upper surface of test table top connects suspension system; 5 tons of shaking table 5 fixed placement are above shaking table basis.
Test table top entirety as above is octahedra, and the angle of the normal of upper and lower end face adjacent two edges is 45 degree; Testing table face length is 1.2 meters, and wide is 1.2 meters; Four inclined-planes in test eight side end faces of table top are used for connecting prolongation commutation rod, and the area on four inclined-planes is greater than the area that extends commutation rod connecting end surface; The middle part of test table top upper surface has sinking opening.
Hydraulic pressure bulb as above has six.
Prolongation commutation rod entirety as above is cylindrical, has six.
2 tons of shaking tables as above have four, are distributed on the below of test table top; The table top of 2 tons of shaking tables is fixedly connected with the lower end of four hydraulic pressure bulbs respectively, and the upper end of hydraulic pressure bulb is fixedly connected with four lower ends that extend commutation rod respectively, and the upper end that extends commutation rod is fixedly connected on respectively on four angles of test table top lower surface.
5 tons of shaking tables as above have two, are positioned at the side surface direction of test table top, between two 5 tons of shaking tables, are 90 degree angles; The table top of 5 tons of shaking tables respectively one end of two hydraulic pressure bulbs is fixedly connected with, and the other end of hydraulic pressure bulb is fixedly connected with two one end that extend commutation rod respectively, and the other end that extends commutation rod is fixedly connected on respectively on test any two adjacent inclined-planes of table top.
Shaking table base integral as above is cuboid, has four, and two is one group, and every group of upper surface is fixedly connected on respectively the both sides of 5 tons of shaking table lower surfaces.
Suspension system as above comprises elastic string and hoist, and elastic string has four, and its lower end is connected on four angles of test table top upper surface, and upper end is connected to the lower end of hoist.
2 tons of shaking tables as above adopt 2014BF type shaking table, hydraulic pressure bulb adopts 423.20 type bulbs, 5 tons of shaking tables adopt HTF-50 type shaking table, extending commutation rod adopts duralumin, hard alumin ium alloy material to make, test table top adopts cast aluminium alloy material to make, and shaking table basis adopts cast iron materials to make.
The beneficial effects of the utility model are:
The utility model comprises 2 tons of shaking tables, hydraulic pressure bulb, extends commutation rod, tests table top, 5 tons of shaking tables, shaking table basis and suspension systems, compared with existing pilot system, can realize the two navigation accuracy tests of pack support system under multi-dimensional vibration environment of being used to.This pilot system successful Application, in relevant product testing, has higher safety and reliability, has range of application more widely.
Brief description of the drawings
Fig. 1 is a kind of two structural representations of the multi-dimensional vibration environment loading system of pack support system of being used to of the present utility model;
Fig. 2 is a kind of two vertical views of the multi-dimensional vibration environment loading system of pack support system of being used to of the present utility model;
Fig. 3 is the vibration control spectrum of a kind of two multi-dimensional vibration environment loading systems of being used to pack support system of the present utility model.
In figure: 1.2 tons of shaking tables, 2. hydraulic pressure bulb, 3. extends commutation rod, 4. test table top, 5.5 tons of shaking tables, 6. shaking table basis, 7. suspension system, 8. pair is used to group and support.
Embodiment
Below in conjunction with the drawings and specific embodiments, a kind of two multi-dimensional vibration environment loading systems of being used to pack support system of the present utility model are described in detail:
As shown in Figure 1, a kind of two multi-dimensional vibration environment loading systems of being used to pack support system, comprise 2 tons of shaking tables 1, hydraulic pressure bulb 2, prolongation commutation rod 3,4,5 tons of shaking tables 5 of test table top, shaking table basis 6 and suspension system 7.Wherein, 2 tons of shaking tables 1 are connected with the one end that extends commutation rod 3 by hydraulic pressure bulb 2, and the other end that extends commutation rod 3 is connected with the lower surface of experiment table top 4.5 tons of shaking tables 5 are connected with the one end that extends commutation rod 3 by hydraulic pressure bulb 2, and the other end that extends commutation rod 3 is connected with the side end face of experiment table top 4.The upper surface of test table top 4 connects suspension system 7.5 tons of shaking table 5 fixed placement are above shaking table basis 6.
Test table top 4 entirety are octahedra, and the angle of the normal of upper and lower end face adjacent two edges is 45 degree.Test table top 4 length are 1.2 meters, and wide is 1.2 meters.Four inclined-planes of test in 4 eight side end faces of table top are used for connecting the area that the area that extends 3, four inclined-planes of commutation rod is greater than prolongation commutation rod 3 connecting end surfaces.The middle part of test table top 4 upper surfaces has sinking opening, is twoly used to that group and support 8 is fixing can be arranged in sinking opening, after connection, and two supports of being used in group and support 8 open interior of deeply sinking, support lower surface is positioned at the center of test table top 4.Test table top 4 is used to group and support 8 for fixing pair, carries 1 and 5 tons of vibrations that shaking table 5 loads of 2 tons of shaking tables.
Hydraulic pressure bulb 2 has six, and four for connecting 1, two of 2 tons of shaking table for connecting 5 tons of shaking tables 5.Hydraulic pressure bulb 2 self can relatively rotate in the scope of relative angular displacement ± 6 °, bulb is in transmitting axially-movable, can freely rotate in side direction, by the effect of bulb, each shaking table has been brought into play axial thrust, and do not affect the work of other direction shaking tables, realize the mobile decoupling of multi-dimensional vibration.
Extending commutation rod 3 entirety is cylindrical, has six, four for 1, two of 2 and 2 tons of shaking table of connecting fluid pressure ball head for 2 and 5 tons of shaking tables 5 of connecting fluid pressure ball head.
2 tons of shaking tables 1 have four, are distributed on the below of test table top 4.The table top of 2 tons of shaking tables 1 is fixedly connected with the lower end of four hydraulic pressure bulbs 2 respectively, and the upper end of hydraulic pressure bulb 2 is fixedly connected with four lower ends that extend commutation rod 3 respectively, and the upper end that extends commutation rod 3 is fixedly connected on respectively on four angles of test table top 4 lower surfaces.
5 tons of shaking tables 5 have two, are positioned at the side surface direction of test table top 4, between two 5 tons of shaking tables 5, are 90 degree angles.The table top of 5 tons of shaking tables 5 respectively one end of two hydraulic pressure bulbs 2 is fixedly connected with, the other end of hydraulic pressure bulb 2 is fixedly connected with two one end that extend commutation rod 3 respectively, and the other end that extends commutation rod 3 is fixedly connected on respectively on test any two adjacent inclined-planes of table top 4.
Shaking table basis 6 entirety are cuboid, have four, and two is one group, and the upper surface of every group is fixedly connected on respectively the both sides of 5 tons of shaking table 5 lower surfaces.The 6 pairs of 5 tons of shaking tables 5 in shaking table basis play fixed supporting role.
Suspension system 7 comprises elastic string and hoist, and elastic string has four, and its lower end is connected on four angles of test table top 4 upper surfaces, and upper end is connected to the lower end of hoist.The effect of suspension system is to prevent that the weight of testing table top 4 from acting directly on 2 tons of shaking tables 1 of below.
In the present embodiment, 2 tons of shaking tables 1 adopt 2014BF type shaking table, hydraulic pressure bulb 2 adopts 423.20 type bulbs, 5 tons of shaking tables 5 adopt HTF-50 type shaking table, extending commutation rod 3 adopts duralumin, hard alumin ium alloy material to make, test table top 4 adopts cast aluminium alloy material to make, and shaking table basis 6 adopts cast iron materials to make.
When work, first 2 tons of shaking tables 1 are connected in track by pressing plate and foot bolt, shaking table basis 6 is connected in track by pressing plate and foot bolt, then test table top 4 is suspended on external stability support by suspension system 7, be used in sinking opening that group and support 8 be fixed on test table top 4 middle parts two again, by multi-dimensional vibration controller, 1 and 5 tons of shaking tables 5 of 2 tons of shaking tables are carried out to vibration control, carry out the navigation accuracy test under multi-dimensional vibration environment.
The utility model comprises 2 tons of shaking tables 1, hydraulic pressure bulb 2, prolongation commutation rod 3,4,5 tons of shaking tables 5 of test table top, shaking table basis 6 and suspension system 7, compared with existing pilot system, can realize the two navigation accuracy tests of pack support system under multi-dimensional vibration environment of being used to.Fig. 3 is that reference spectrum bandwidth is the vibration control spectrum of 20～1000Hz, and as can be seen from the figure, departure is little, controls spectrum Whole frequency band all within ± 3dB, without obvious off-gage phenomenon, controls respond well.
Claims (9)
1. two multi-dimensional vibration environment loading systems of being used to pack support system, is characterized in that: it comprises 2 tons of shaking tables (1), hydraulic pressure bulb (2), extends commutation rod (3), tests table top (4), 5 tons of shaking tables (5), shaking table basis (6) and suspension system (7); Wherein, 2 tons of shaking tables (1) are connected with the one end that extends commutation rod (3) by hydraulic pressure bulb (2), and the other end that extends commutation rod (3) is connected with the lower surface of experiment table top (4); 5 tons of shaking tables (5) are connected with the one end that extends commutation rod (3) by hydraulic pressure bulb (2), and the other end that extends commutation rod (3) is connected with the side end face of experiment table top (4); The upper surface of test table top (4) connects suspension system (7); 5 tons of shaking table 5 fixed placement are in shaking table basis (6) top.
2. a kind of two multi-dimensional vibration environment loading systems of being used to pack support system according to claim 1, is characterized in that: described test table top (4) entirety is for octahedra, and the angle of the normal of upper and lower end face adjacent two edges is 45 degree; Test table top (4) length is 1.2 meters, and wide is 1.2 meters; Four inclined-planes in test (4) eight side end faces of table top are used for connecting prolongation commutation rod (3), and the area on four inclined-planes is greater than the area that extends commutation rod (3) connecting end surface; The middle part of test table top (4) upper surface has sinking opening.
3. a kind of two multi-dimensional vibration environment loading systems of being used to pack support system according to claim 1, is characterized in that: described hydraulic pressure bulb (2) has six.
4. a kind of two multi-dimensional vibration environment loading systems of being used to pack support system according to claim 1, is characterized in that: described prolongation commutation rod (3) entirety, for cylindrical, has six.
5. a kind of two multi-dimensional vibration environment loading systems of being used to pack support system according to claim 1, is characterized in that: described 2 tons of shaking tables (1) have four, are distributed on the below of test table top (4); The table top of 2 tons of shaking tables (1) is fixedly connected with the lower end of four hydraulic pressure bulbs (2) respectively, the upper end of hydraulic pressure bulb (2) is fixedly connected with four lower ends that extend commutation rod (3) respectively, and the upper end that extends commutation rod (3) is fixedly connected on respectively on four angles of test table top (4) lower surface.
6. a kind of two multi-dimensional vibration environment loading systems of being used to pack support system according to claim 1, it is characterized in that: described 5 tons of shaking tables (5) have two, the side surface direction that is positioned at test table top (4), is 90 degree angles between two 5 tons shaking tables (5); The table top of 5 tons of shaking tables (5) respectively one end of two hydraulic pressure bulbs (2) is fixedly connected with, the other end of hydraulic pressure bulb (2) is fixedly connected with two one end that extend commutation rod (3) respectively, and the other end that extends commutation rod (3) is fixedly connected on respectively on test any two adjacent inclined-planes of table top (4).
7. a kind of two multi-dimensional vibration environment loading systems of being used to pack support system according to claim 1, it is characterized in that: described shaking table basis (6) entirety is cuboid, have four, two is one group, and the upper surface of every group is fixedly connected on respectively the both sides of 5 tons of shaking tables (5) lower surface.
8. a kind of two multi-dimensional vibration environment loading systems of being used to pack support system according to claim 1, it is characterized in that: described suspension system (7) comprises elastic string and hoist, elastic string has four, its lower end is connected on four angles of test table top (4) upper surface, and upper end is connected to the lower end of hoist.
9. a kind of two multi-dimensional vibration environment loading systems of being used to pack support system according to claim 1, it is characterized in that: described 2 tons of shaking tables (1) adopt 2014BF type shaking table, hydraulic pressure bulb (2) adopts 423.20 type bulbs, 5 tons of shaking tables (5) adopt HTF-50 type shaking table, extending commutation rod (3) adopts duralumin, hard alumin ium alloy material to make, test table top (4) adopts cast aluminium alloy material to make, and shaking table basis (6) adopt cast iron materials to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420282695.2U CN203857968U (en) | 2014-05-29 | 2014-05-29 | Multidimensional vibration environment loading system of double-inertial unit bracket system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420282695.2U CN203857968U (en) | 2014-05-29 | 2014-05-29 | Multidimensional vibration environment loading system of double-inertial unit bracket system |
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| Publication Number | Publication Date |
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| CN203857968U true CN203857968U (en) | 2014-10-01 |
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| CN201420282695.2U Expired - Lifetime CN203857968U (en) | 2014-05-29 | 2014-05-29 | Multidimensional vibration environment loading system of double-inertial unit bracket system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108387354A (en) * | 2018-01-22 | 2018-08-10 | 航天科工防御技术研究试验中心 | A kind of multi and overload power combined environment testing system |
-
2014
- 2014-05-29 CN CN201420282695.2U patent/CN203857968U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108387354A (en) * | 2018-01-22 | 2018-08-10 | 航天科工防御技术研究试验中心 | A kind of multi and overload power combined environment testing system |
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| C14 | Grant of patent or utility model | ||
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Granted publication date: 20141001 |
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| CX01 | Expiry of patent term |