CN106197923A - A kind of dual stage also swashs horizontal vibrating test system - Google Patents
A kind of dual stage also swashs horizontal vibrating test system Download PDFInfo
- Publication number
- CN106197923A CN106197923A CN201610837905.3A CN201610837905A CN106197923A CN 106197923 A CN106197923 A CN 106197923A CN 201610837905 A CN201610837905 A CN 201610837905A CN 106197923 A CN106197923 A CN 106197923A
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- China
- Prior art keywords
- sliding table
- horizontal sliding
- hydrostatic bearing
- vibration
- test system
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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
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
- G01M7/06—Multidirectional test stands
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The open a kind of dual stage of the present invention the most sharp horizontal vibrating test system, including two vibration table stage bodies, two vertical support seats, two drive rods, horizontal sliding table pedestal, horizontal sliding table and some be fixed on described horizontal sliding table pedestal for make horizontal sliding table along the hydrostatic bearing of excitation orientation single vibration；Two vibration table stage bodies are respectively supported in the middle of vertical support seat；Two vibration table stage bodies are connected with the horizontal sliding table two ends dismounting above hydrostatic bearing by drive rod respectively.Dual stage of the present invention also swashs horizontal vibrating test system and both can carry out dual stage swashing and test, it is also possible to carries out separate unit vibration test, possesses the advantage that highly versatile, experimentation cost are low.
Description
Technical field
The invention belongs to technical field of mechanical environmental test, be specifically related to a kind of dual stage and swash horizontal vibrating test system.
Background technology
Liquid-propellant rocket engine is mainly carrier rocket and provides power in flight course, and wherein two stage motors are in one-level
Carry section and can bear the vibration environment of one-level inflight phase, how to check two stage motors to become outstanding in the reliability of one-level inflight phase
For important.
The vibration test carrying out large-scale space product at present mainly uses large vibration table, such as 35T vibration table；If thrust
Can not meet, typically meet large-scale space product vibration test push away hypodynamic problem by multiple stage and by the way of swashing.Along with
The development of Future Launch Rocket, the Random Thrust of independent vibration table is difficult to meet test requirements document, and pushes away-push away dual stage and swash horizontal vibration
System motion part quality is the biggest.
Level all uses locking phase control to dual stage excited vibration pilot system the most both at home and abroad, and mesa dimensions is relatively big,
Heavy moving parts is relatively big, is appropriate to large-scale space product sine vibration test, but carries out greatly for big quality space product
Magnitude random vibration test is the most undesirable, therefore develops and a set of meets Φ 3500 product installation dimension requirement, under load 3T,
The random vibration root-mean-square value " one the pushes away one draws " dual stage not less than 15Grms sharp pilot system are the most necessary.
Summary of the invention
It is an object of the invention to solve above-mentioned technical problem and provide a kind of big for rocket liquid two stage electromotor
The one of magnitude vibration test pushes away a dual stage drawn and swashs horizontal vibrating test system.
For achieving the above object, the present invention adopts the following technical scheme that
A kind of dual stage the most sharp horizontal vibrating test system, including two vertical support seats, two vibration table stage bodies, two drive
Lever, horizontal sliding table pedestal, horizontal sliding table and some for make described horizontal sliding table along the static pressure axle of excitation orientation single vibration
Hold；Two described vibration table stage bodies lay respectively at described horizontal sliding table both sides and are respectively supported on described vertical support seat；Two
Individual described vibration table stage body is torn open with the described horizontal sliding table two ends being located at above described hydrostatic bearing by described drive rod respectively
Unload connection；Described hydrostatic bearing is fixed on horizontal sliding table pedestal mounting plate；Described horizontal sliding table pedestal and vertical support seat are solid
It is scheduled on vibration table ground.
Described horizontal sliding table both sides connect described drive rod by oblique bolt, and described horizontal sliding table passes through countersunk bolts and institute
State hydrostatic bearing to connect.
Described hydrostatic bearing includes the hydrostatic bearing of single-degree-of-freedom and the hydrostatic bearing of double freedom；Described single-degree-of-freedom
Hydrostatic bearing is arranged on below described horizontal sliding table axis, and the hydrostatic bearing of described double freedom is arranged on described horizontal sliding table
Below lateral symmetry region, axis.
Two described vibration table stage bodies are that symmetrical structure is installed.
Described horizontal sliding table use AZ31B magnesium alloy plate overall processing formed, described drive rod use ZM5 casting processing and
Become.
Described vertical support seat and horizontal sliding table pedestal are formed by Plate Welding.
In described horizontal sliding table pedestal, cast is for increasing the mixed earth of the support stiffness of horizontal sliding table pedestal.
Dual stage of the present invention sharp horizontal vibrating test system are the single shaketalle test systems of application, can carry out dual stage and swash
Horizontal Vibration is tested, it is also possible to carry out the test of separate unit horizontal vibration and vertical vibration is tested, possess matching good, experimentation cost
Low advantage.
Accompanying drawing explanation
Fig. 1 is dual stage of the present invention the top view swashing horizontal vibrating test system；
Fig. 2 is dual stage of the present invention the front view swashing horizontal vibrating test system；
Fig. 3 is the top view of dual stage of the present invention the hydrostatic bearing swashing horizontal vibrating test system；
Fig. 4 is the heavy of being connected with hydrostatic bearing of offering of the horizontal sliding table of dual stage of the present invention sharp horizontal vibrating test system
The schematic diagram in hole；
Fig. 5 is the inclined hole being connected with drive rod that the horizontal sliding table of dual stage of the present invention sharp horizontal vibrating test system is offered
Schematic diagram；
In figure: the most vertical support seat, 2. vibration table stage body, 3. drive rod, 4. horizontal sliding table, 5. horizontal sliding table pedestal, 6.
Hydrostatic bearing.
Detailed description of the invention
Below, in conjunction with example, substantive distinguishing features and the advantage of the present invention are further described, but the present invention not office
It is limited to listed embodiment.
Seeing shown in Fig. 1-5, a kind of dual stage also swashs horizontal vibrating test system, shakes including two vertical support seats 1, two
Dynamic platform stage body 2, two drive rods 3, horizontal sliding table 4, horizontal sliding table pedestal 5, some hydrostatic bearings 6；Wherein, two described vibrations
Platform stage body 2 is respectively supported on described vertical support seat 1, and lays respectively at described horizontal sliding table 4 both sides, two described vibration tablies
Stage body 2 is connected with the two ends dismounting of the horizontal sliding table 4 being located at above described hydrostatic bearing 6 by one drive rod 3 respectively；
Described hydrostatic bearing 6 is to make horizontal sliding table 4 along the bearing of excitation orientation single vibration；Described hydrostatic bearing 6 is fixed on level
On slide unit pedestal mounting plate, described horizontal sliding table pedestal 5 and vertical support seat 1 are fixed by screws on vibration table ground, for
Dual stage also swashs pilot system offer rigid support.
In a detailed description of the invention, in described horizontal sliding table pedestal 5 internal cavities, the mixed earth of cast, improves quality and carries
The support stiffness of high system.
Preferably, two described vibration table stage bodies are that symmetrical structure is installed.Described horizontal sliding table can use AZ31B
Magnesium alloy plate overall processing is formed, and described drive rod can use ZM5 casting to process.
Wherein, described vertical support seat and horizontal sliding table pedestal are formed by Plate Welding.
In the present invention, described vibration table stage body is connected with vertical support seat by flange.Carrying out Horizontal Vibration test
Time, two vibration table stage bodies are connected with horizontal sliding table two ends by drive rod respectively, by opposite in phase, voltage that amplitude is identical
Signal drives vibration table stage body internal motion, thus drives horizontal sliding table, vibration tong, test products to transport along excitation orientation
Dynamic, carry out Horizontal Vibration test；In the present invention, a vibration table stage body and drive rod can disengage the company with horizontal sliding table
Connect, carry out separate unit Horizontal Vibration test；Vibration table stage body disengages the attachment screw with drive rod, can will be shaken by turning device
Dynamic platform stage body is turned to upright position, carries out separate unit vertical vibration test.
In yet another embodiment, described hydrostatic bearing is bolted on horizontal sliding table pedestal mounting plate,
Horizontal sliding table pedestal mounting plate flatness error is less than 0.05mm.Concrete, the lower surface of described horizontal sliding table passes through counterbore spiral shell
Bolt is connected with hydrostatic bearing, and described horizontal sliding table uses the processing of magnesium alloy imposite, and flatness error is less than 0.05mm.
In the present invention, described hydrostatic bearing can refer to the bearing arrangement disclosed in Chinese patent CN201410746245.9.
Described hydrostatic bearing can have employed T-shaped bearing, and T-shaped bearing is divided into single-degree-of-freedom hydrostatic bearing and double freedom hydrostatic bearing, its
Middle single-degree-of-freedom bearing is installed on and coaxially (is i.e. arranged on described on the horizontal sliding table pedestal mounting plate of vibration table stage body axis
Below horizontal sliding table axis), predominantly horizontal sliding table provides guide effect；Double freedom bearing can be in the fortune of horizontal sliding table
Dynamic direction and lateral movement, be installed on lateral symmetry region in axis on horizontal sliding table pedestal mounting plate and (be i.e. arranged on described water
Below lateral symmetry region, somoothing board axis), predominantly horizontal sliding table provides static load to support and antidumping.
Preferably, the number of described hydrostatic bearing is 25, rectangular-shaped is evenly arranged by 5 × 5.
In yet another embodiment, described horizontal sliding table shape can use rectangle, can be along shaking for guarantee level
The motion of dynamic direction, the flatness of described horizontal sliding table directly affects the service behaviour of horizontal sliding table, in the present invention horizontal sliding table with
Joint face (horizontal sliding table lower surface) flatness error of hydrostatic bearing is less than 0.05mm, with the company of test fixture during vibration test
Junction (horizontal sliding table upper surface) plane error is less than 0.07mm.
Shown in Figure 4, in order to be connected with described hydrostatic bearing by described horizontal sliding table, described horizontal sliding table is in the plane
Offer some counterbores 41, be connected with described hydrostatic bearing by the countersunk bolts of some correspondences, and ensure that bolt surface is less than
Described horizontal sliding table upper surface.
Shown in Figure 5, in order to be connected with described drive rod by described horizontal sliding table, described horizontal sliding table is offered at two ends
Some inclined holes, this inclined hole includes the round hole part 42 tilted and the groove portion that cross section is right angle trigonometry shape connected with this round hole part 42
43, connected through the skewed screw hole that inclined hole is corresponding with described drive rod side by some oblique bolts, it is ensured that bolt is less than described
Horizontal sliding table upper surface.
The present invention is a kind of dual stage that can carry out large space structure part vibration test and swashs horizontal vibrating test system,
Achieve the dual stage of " pushes away draws " and swash the design of horizontal vibrating test system, there is tests below effect: mesa dimensions
3100mm×2500mm；Quiet carrying is not less than 15T；The lower horizontal direction random vibration test root-mean-square value of 3T load is not less than
15Grms；Horizontal movement direction maximum resistance to tipping moment is 1050kNm.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For Yuan, under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (7)
1. a dual stage sharp horizontal vibrating test system, it is characterised in that include two vertical support seats, two vibration table platforms
Body, two drive rods, horizontal sliding table pedestal, horizontal sliding table and some for making described horizontal sliding table along excitation orientation single vibration
Hydrostatic bearing；Two described vibration table stage bodies lay respectively at described horizontal sliding table both sides and are respectively supported at described vertical support
On seat；Two described vibration table stage bodies are respectively by described drive rod and the described horizontal sliding table being located at above described hydrostatic bearing
Two ends dismounting connects；Described hydrostatic bearing is fixed on horizontal sliding table pedestal mounting plate；Described horizontal sliding table pedestal and vertical
Support seat is fixed on vibration table ground.
Dual stage sharp horizontal vibrating test system the most according to claim 1, it is characterised in that described horizontal sliding table both sides lead to
Crossing oblique bolt and connect described drive rod, described horizontal sliding table is connected with described hydrostatic bearing by countersunk bolts.
Dual stage the most according to claim 1 or claim 2 also swashs horizontal vibrating test system, it is characterised in that described hydrostatic bearing bag
Include the hydrostatic bearing of single-degree-of-freedom and the hydrostatic bearing of double freedom；The hydrostatic bearing of described single-degree-of-freedom is arranged on described level
Below slide unit axis, the hydrostatic bearing of described double freedom is arranged under lateral symmetry region, described horizontal sliding table axis
Side.
Dual stage sharp horizontal vibrating test system the most according to claim 3, it is characterised in that two described vibration table stage bodies
Install in symmetrical structure.
5. according to dual stage described in claim 1 or 4 sharp horizontal vibrating test system, it is characterised in that described horizontal sliding table is adopted
Being formed with AZ31B magnesium alloy plate overall processing, described drive rod uses ZM5 casting to process.
Dual stage sharp horizontal vibrating test system the most according to claim 5, it is characterised in that described vertical support seat and water
Somoothing board pedestal is formed by Plate Welding.
7. according to dual stage described in claim 1 or 6 sharp horizontal vibrating test system, it is characterised in that described horizontal sliding table base
In seat, cast is for increasing the mixed earth of the support stiffness of horizontal sliding table pedestal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610837905.3A CN106197923A (en) | 2016-09-20 | 2016-09-20 | A kind of dual stage also swashs horizontal vibrating test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610837905.3A CN106197923A (en) | 2016-09-20 | 2016-09-20 | A kind of dual stage also swashs horizontal vibrating test system |
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| Publication Number | Publication Date |
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| CN106197923A true CN106197923A (en) | 2016-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610837905.3A Pending CN106197923A (en) | 2016-09-20 | 2016-09-20 | A kind of dual stage also swashs horizontal vibrating test system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106872130A (en) * | 2017-01-18 | 2017-06-20 | 株洲中车时代电气股份有限公司 | A kind of vibration experiment and test method |
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| CN101551290A (en) * | 2009-02-27 | 2009-10-07 | 苏州长菱测试技术有限公司 | Method and device for conducting horizontal vibration testing for test pieces with multiple specifications by using single device |
| CN203732226U (en) * | 2014-01-16 | 2014-07-23 | 北京强度环境研究所 | Push-and-pull horizontal slid platform testing system using hydraulic bulbs for non-rigid connection |
| CN203858083U (en) * | 2014-03-14 | 2014-10-01 | 株洲南车时代电气股份有限公司 | Electric vibration test system |
| CN104819816A (en) * | 2015-05-13 | 2015-08-05 | 中国飞机强度研究所 | Dynamic load loading system and airplane vertical tail test system, and method |
| CN105716811A (en) * | 2014-12-04 | 2016-06-29 | 北京卫星环境工程研究所 | Double-platform shunt-excitation horizontal vibration test system with combined table facet |
| CN206208485U (en) * | 2016-09-20 | 2017-05-31 | 天津航天瑞莱科技有限公司 | A kind of dual stage simultaneously swashs horizontal vibrating test system |
-
2016
- 2016-09-20 CN CN201610837905.3A patent/CN106197923A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101551290A (en) * | 2009-02-27 | 2009-10-07 | 苏州长菱测试技术有限公司 | Method and device for conducting horizontal vibration testing for test pieces with multiple specifications by using single device |
| CN203732226U (en) * | 2014-01-16 | 2014-07-23 | 北京强度环境研究所 | Push-and-pull horizontal slid platform testing system using hydraulic bulbs for non-rigid connection |
| CN203858083U (en) * | 2014-03-14 | 2014-10-01 | 株洲南车时代电气股份有限公司 | Electric vibration test system |
| CN105716811A (en) * | 2014-12-04 | 2016-06-29 | 北京卫星环境工程研究所 | Double-platform shunt-excitation horizontal vibration test system with combined table facet |
| CN104819816A (en) * | 2015-05-13 | 2015-08-05 | 中国飞机强度研究所 | Dynamic load loading system and airplane vertical tail test system, and method |
| CN206208485U (en) * | 2016-09-20 | 2017-05-31 | 天津航天瑞莱科技有限公司 | A kind of dual stage simultaneously swashs horizontal vibrating test system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106872130A (en) * | 2017-01-18 | 2017-06-20 | 株洲中车时代电气股份有限公司 | A kind of vibration experiment and test method |
| CN106872130B (en) * | 2017-01-18 | 2020-06-05 | 株洲中车时代电气股份有限公司 | Vibration test system and test method |
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