CN205483403U - A combined test stand for detection quality barycenter and inertia - Google Patents
A combined test stand for detection quality barycenter and inertia Download PDFInfo
- Publication number
- CN205483403U CN205483403U CN201521145313.2U CN201521145313U CN205483403U CN 205483403 U CN205483403 U CN 205483403U CN 201521145313 U CN201521145313 U CN 201521145313U CN 205483403 U CN205483403 U CN 205483403U
- Authority
- CN
- China
- Prior art keywords
- air flue
- adverse
- keep
- therapeutic method
- floating plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
An object of the utility model is to provide a combined test stand for detection quality barycenter and inertia, the on -line screen storage device comprises a base, install air supporting dish and therapeutic method to keep the adverse qi flowing downward floating plate on the base, go up and wear to be equipped with the positioning core axle along vertical direction between air supporting dish and the therapeutic method to keep the adverse qi flowing downward floating plate, the positioning core axle overcoat is equipped with the torsional spring, therapeutic method to keep the adverse qi flowing downward floating plate is provided with outer air flue unit and interior air flue unit, outer air flue unit includes the outer air cavity of round, the outer gaseous ring of round, the outer air flue of round, outer air flue and outer air cavity intercommunication, interior air flue unit includes the interior air cavity of round, gaseous ring in the round, the round sets up the interior air flue of air flue inner circle outside, interior air flue is linked together with interior air cavity, interior air flue all runs through therapeutic method to keep the adverse qi flowing downward floating plate along the axial of positioning core axle with outer air flue, be provided with the unit of weighing between interior air flue and the outer air flue, the unit of weighing includes the weighing sensor base, weighing sensor and the weighing sensor pressure head installed at the weighing sensor base, the bottom of therapeutic method to keep the adverse qi flowing downward floating plate is pressed and is supported the weighing sensor pressure head.
Description
Technical field
This utility model relates to a kind of test device, refers in particular to a kind of for detecting quality matter
The heart and the combined test stand of rotary inertia.
Background technology
Some major diameters of degree of needs in prior art, large-sized spacecraft (as airship, satellite,
Rocket, aircraft, guided missile etc.) heavy-duty car and tank engine and the quality of parts, X,
The three-dimensional barycenter in tri-directions of Y, Z and the rotary inertia in three directions are tested.But
Due to test specimen volume to be measured and size all and huge, therefore, how to reduce in test process
The error brought because of manual intervention is the direction of insider's effort always.
Summary of the invention
When the purpose of this utility model is to provide a kind of test, gas flow uniformity is good, carrying
Load is big, measures accurately for detecting the combined test stand of quality center of mass and rotary inertia.
A kind of combined test stand for detecting quality center of mass and rotary inertia, including base, the end
Air supporting dish and therapeutic method to keep the adverse QI flowing downwards floating plate are installed, along vertically side between upper air supporting dish and therapeutic method to keep the adverse QI flowing downwards floating plate on Zuo
To being equipped with positioning core axle, it is arranged with torsion spring outside described positioning core axle, outside therapeutic method to keep the adverse QI flowing downwards floating plate is provided with
Air flue unit and interior air flue unit, described exterior air drain unit includes the outer air cavity of a circle, a circle exogenous QI
Ring, a circle exterior air drain, exterior air drain connects with outer air cavity, in described interior air flue unit includes a circle
Compression ring in air cavity, a circle, a circle are arranged on the interior air flue of exterior air drain inner ring, described interior air flue with
Interior air cavity is connected, and interior air flue and exterior air drain axially penetrate through the described therapeutic method to keep the adverse QI flowing downwards each along positioning core axle
Floating plate, is provided with weighing unit between interior air flue and exterior air drain, described weighing unit includes weighing
Sensor base, the LOAD CELLS being arranged on LOAD CELLS base and LOAD CELLS pressure
Head, the bottom of therapeutic method to keep the adverse QI flowing downwards floating plate compresses LOAD CELLS pressure head.
Also include a pneumatic pushing mechanism preventing air supporting dish from moving, described pneumatic promotion machine
Structure includes that cylinder is connected with cylinder and pushes against the promotion arm of described upper air supporting dish periphery.
Therapeutic method to keep the adverse QI flowing downwards floating plate and base support are additionally provided with support seat, and described sensor base is arranged on props up
On support seat, supporting and be also equipped with protection top between seat and therapeutic method to keep the adverse QI flowing downwards floating plate, protection top includes that one is prevented
Sheath, is equipped with connecting bolt in described protective jacket.
Arranging mounting groove between upper air supporting dish and therapeutic method to keep the adverse QI flowing downwards floating plate, described torsion spring is positioned at mounting groove,
The two ends up and down of torsion spring are provided with balance pressing plate.
The beneficial effects of the utility model are: described for detecting quality center of mass and rotary inertia
Combined test stand use double air passage frame mode, compressed air enter inside and outside compression ring by gas
Body is stored in inside and outside air cavity, is entered by interior exterior air drain and forms air film between upper lower burrs by upper
Gas dish floats, whole air film intensity high, uniformity is good, test period property is good, bearing load is big,
Versatility is good, change frock when measuring different examinations can complete test, decrease middle test
Amount, decrease and think intervention error component, make the measurement time be greatly shortened, can reach relatively simultaneously
High certainty of measurement.
Accompanying drawing explanation
Accompanying drawing 1 for described in the utility model for detecting combining of quality center of mass and rotary inertia
Close the cross-sectional schematic of testboard.
Detailed description of the invention
Refering to accompanying drawing 1 show one described in the utility model for detect quality center of mass and
The combined test stand of rotary inertia, including base 1, base 1 is provided with air supporting dish 2 with
Therapeutic method to keep the adverse QI flowing downwards floating plate 3, is vertically equipped with locating core between upper air supporting dish 2 and therapeutic method to keep the adverse QI flowing downwards floating plate 3
Axle 4, is arranged with torsion spring 5 outside described positioning core axle 4, therapeutic method to keep the adverse QI flowing downwards floating plate 3 is provided with exterior air drain list
First with interior air flue unit, described exterior air drain unit include the outer air cavity 6, of a circle enclose outer compression ring 7,
One circle exterior air drain 8, exterior air drain 8 connects with outer air cavity 6, and described interior air flue unit includes a circle
In interior air cavity 9, circle, compression ring 10, circle is arranged on the interior air flue 11 of exterior air drain 8 inner ring,
Described interior air flue 11 is connected with interior air cavity 9, and interior air flue 11 and exterior air drain 8 are each along location
Mandrel 4 axially penetrate through described therapeutic method to keep the adverse QI flowing downwards floating plate 3, between interior air flue 11 and exterior air drain 8 arrange
Weighing unit, described weighing unit is had to include LOAD CELLS base 12, be arranged on biography of weighing
The LOAD CELLS 13 of sensor base 12 and LOAD CELLS pressure head 14, therapeutic method to keep the adverse QI flowing downwards floating plate 3
Bottom compresses LOAD CELLS pressure head 14.
Also include a pneumatic pushing mechanism preventing air supporting dish 2 from moving, described pneumatic promotion
Mechanism includes that cylinder 15 is connected with cylinder 15 and pushes against the promotion of described upper air supporting dish 2 periphery
Arm 16.
Therapeutic method to keep the adverse QI flowing downwards floating plate 3 and base 1 support are additionally provided with support seat 17, described sensor base 1
It is arranged on support seat 17, supports and between seat 17 and therapeutic method to keep the adverse QI flowing downwards floating plate 3, be also equipped with protection top,
Protection top includes a protective jacket, is equipped with connecting bolt in described protective jacket.
Arranging mounting groove 18 between upper air supporting dish 2 and therapeutic method to keep the adverse QI flowing downwards floating plate 3, described torsion spring 5 is positioned at
In mounting groove 18, the two ends up and down of torsion spring 5 are provided with balance pressing plate 19.
From above to description of the present utility model: described for detecting quality center of mass and rotation
The combined test stand of inertia uses the frame mode of double air passage, and compressed air enters inside and outside compression ring
Gas is stored in inside and outside air cavity 6 by 7, enters shape between upper lower burrs by interior exterior air drain 8
Upper gas plate is floated by one-tenth air film, whole air film intensity is high, uniformity is good, test period property is good,
Bearing load is big, and versatility is good, change frock when measuring different examinations can complete test, subtract
Lack middle test volume, decreased and think intervention error component, made the measurement time be greatly shortened,
Higher certainty of measurement can be reached simultaneously.
Claims (4)
- null1. the combined test stand being used for detecting quality center of mass and rotary inertia，It is characterized in that: include base，Air supporting dish and therapeutic method to keep the adverse QI flowing downwards floating plate are installed on base，Positioning core axle vertically it is equipped with between upper air supporting dish and therapeutic method to keep the adverse QI flowing downwards floating plate，It is arranged with torsion spring outside described positioning core axle，Therapeutic method to keep the adverse QI flowing downwards floating plate is provided with exterior air drain unit and interior air flue unit，Described exterior air drain unit includes the outer air cavity of a circle、One encloses outer compression ring、One circle exterior air drain，Exterior air drain connects with outer air cavity，Described interior air flue unit includes air cavity in a circle、Compression ring in one circle、One circle is arranged on the interior air flue of exterior air drain inner ring，Described interior air flue is connected with interior air cavity，Interior air flue and exterior air drain axially penetrate through described therapeutic method to keep the adverse QI flowing downwards floating plate each along positioning core axle，It is provided with weighing unit between interior air flue and exterior air drain，Described weighing unit includes LOAD CELLS base、It is arranged on LOAD CELLS and the LOAD CELLS pressure head of LOAD CELLS base，The bottom of therapeutic method to keep the adverse QI flowing downwards floating plate compresses LOAD CELLS pressure head.
- Combined test stand for detecting quality center of mass and rotary inertia the most according to claim 1, it is characterized in that: also include a pneumatic pushing mechanism preventing air supporting dish from moving, described pneumatic pushing mechanism includes that cylinder is connected with cylinder and pushes against the promotion arm of described upper air supporting dish periphery.
- Combined test stand for detecting quality center of mass and rotary inertia the most according to claim 2; it is characterized in that: therapeutic method to keep the adverse QI flowing downwards floating plate and base support are additionally provided with support seat; described sensor base is arranged on support seat; support and between seat and therapeutic method to keep the adverse QI flowing downwards floating plate, be also equipped with protection top; protection top includes a protective jacket, is equipped with connecting bolt in described protective jacket.
- Combined test stand for detecting quality center of mass and rotary inertia the most according to claim 1, it is characterised in that: above arranging mounting groove between air supporting dish and therapeutic method to keep the adverse QI flowing downwards floating plate, described torsion spring is positioned at mounting groove, and the two ends up and down of torsion spring are provided with balance pressing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521145313.2U CN205483403U (en) | 2015-12-30 | 2015-12-30 | A combined test stand for detection quality barycenter and inertia |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521145313.2U CN205483403U (en) | 2015-12-30 | 2015-12-30 | A combined test stand for detection quality barycenter and inertia |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205483403U true CN205483403U (en) | 2016-08-17 |
Family
ID=56663506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521145313.2U Active CN205483403U (en) | 2015-12-30 | 2015-12-30 | A combined test stand for detection quality barycenter and inertia |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205483403U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110906862A (en) * | 2019-12-02 | 2020-03-24 | 哈尔滨工业大学 | Geometric morphology and quality characteristic integrated measuring device for large-scale high-speed rotation equipment |
| CN110907094A (en) * | 2019-12-13 | 2020-03-24 | 二重（德阳）重型装备有限公司 | Static balance detection method and device for large-scale arm-type rotating member |
| CN110926696A (en) * | 2019-11-26 | 2020-03-27 | 北京新立机械有限责任公司 | Mass center measuring device for large special vehicle |
| CN111024310A (en) * | 2019-12-24 | 2020-04-17 | 北京卫星制造厂有限公司 | Multi-dimensional air flotation follow-up system for satellite high-precision quality measurement |
-
2015
- 2015-12-30 CN CN201521145313.2U patent/CN205483403U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110926696A (en) * | 2019-11-26 | 2020-03-27 | 北京新立机械有限责任公司 | Mass center measuring device for large special vehicle |
| CN110906862A (en) * | 2019-12-02 | 2020-03-24 | 哈尔滨工业大学 | Geometric morphology and quality characteristic integrated measuring device for large-scale high-speed rotation equipment |
| CN110907094A (en) * | 2019-12-13 | 2020-03-24 | 二重（德阳）重型装备有限公司 | Static balance detection method and device for large-scale arm-type rotating member |
| CN111024310A (en) * | 2019-12-24 | 2020-04-17 | 北京卫星制造厂有限公司 | Multi-dimensional air flotation follow-up system for satellite high-precision quality measurement |
| CN111024310B (en) * | 2019-12-24 | 2021-11-16 | 北京卫星制造厂有限公司 | Multi-dimensional air flotation follow-up system for satellite high-precision quality measurement |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205483403U (en) | A combined test stand for detection quality barycenter and inertia | |
| CN104614134B (en) | A method of detection aluminium alloy wheel hub air-tightness | |
| CN102147320B (en) | Method and device for testing axial rigidity and radial rigidity of rotary hydrostatic guide rail | |
| CN104457668B (en) | Portable axletree shaft-diameter measuring instrument | |
| CN209085485U (en) | A kind of measuring device of automobile air valve tappet inner convex platform height | |
| CN204831698U (en) | Quality barycenter inertia combined test stand | |
| CN104390563B (en) | Device for detecting radial internal clearance of radial spherical pain bearing | |
| CN106742056A (en) | It is a kind of to automatically adjust the aircraft jack for eliminating side force | |
| CN106706343A (en) | Radial and axial rigidity testing method and radial and axial rigidity testing fixture for elastic wheel | |
| CN107607299B (en) | Spring pressure tests machine mandrel and positions loading device | |
| CN105466371B (en) | The device and measuring method of survey aircraft undercarriage wheel shaft end position | |
| CN105259328A (en) | Physical simulation test device for influence of hydraulic measures on coal gas seepage characteristics | |
| CN201688942U (en) | Axial force measuring sensor calibration device | |
| CN203350129U (en) | Polymer environment stress cracking experiment combined device | |
| CN205538241U (en) | Portable rigidity test rack | |
| CN106017388B (en) | Spider inner hole testing agency | |
| CN204964496U (en) | Water conservancy measure is to physical simulation test device of coal body gas seepage flow characteristic influence | |
| CN206803923U (en) | A kind of cylinder body double end bearing hole axiality detection device | |
| CN204373622U (en) | A kind of pick-up unit of vehicle bodywork soldering cramping apparatus | |
| CN209372422U (en) | A kind of double inner ring four-point contact ball device for measuring axial clearance | |
| CN201765154U (en) | Static deformation test bench for retreaded tire | |
| CN104297070B (en) | A kind of fabric is coated with deformation characteristic tester | |
| CN206410819U (en) | 2MN dead weight superimposion formula force standard machineses | |
| CN214748753U (en) | High-low temperature test box for calibrating wind tunnel balance temperature influence parameters | |
| CN206496913U (en) | A kind of radial and axial rigidity test frock of elastic wheel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |