CN205620128U - Static air bearing testing arrangement - Google Patents
Static air bearing testing arrangement Download PDFInfo
- Publication number
- CN205620128U CN205620128U CN201620304788.XU CN201620304788U CN205620128U CN 205620128 U CN205620128 U CN 205620128U CN 201620304788 U CN201620304788 U CN 201620304788U CN 205620128 U CN205620128 U CN 205620128U
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- air bearing
- platform
- pedestal
- main shaft
- amesdial
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Abstract
The utility model relates to a static air bearing testing arrangement, the base top has installation air bearing's platform, the base bottom is arranged in the ground grading, be equipped with the main shaft that runs through in air bearing above the platform, the main shaft both ends are respectively through the crossbeam of pull rod link bit below the platform, and be connected the formation revolute pair through the bearing between main shaft and the pull rod, connect force transducer below in the middle of the crossbeam, hydraulic elongator is equipped with below the force transducer, hydraulic elongator connects manual controller, the amesdial moves the after -fixing on the platform on the platform, amesdial and force transducer number of pass are on according to the line connection instrument. The utility model discloses the static air bearing bearing capacity of mainly used tests, while measurable quantity bearing capacity and bearing state relation, and it is worth to produce the required power of testing through hydraulic system, through sensor accurate control power value size, through the clearance change of amesdial test air bearing.
Description
Technical field
This utility model relates to a kind of air bearing, particularly to a kind of still air bearing testing device.
Background technology
Air bearing is a kind of frictionless bearing with air as medium, and the axle system being generally used for high speed rotating state supports.Still air bearing is then for some in particular cases static axial system or support of micro-rotation axis system.The principle of still air bearing is far from each other with dynamic air bearing, so its test mode is also different from traditional bearing test mode.Accordingly, it would be desirable to a kind of still air bearing testing device and method are tested for still air bearing load carrying capacity, bearing capacity and bearing state relation can be measured simultaneously.
Summary of the invention
The purpose of this utility model is to provide a kind of still air bearing testing device, tests for still air bearing load carrying capacity, can measure bearing capacity and bearing state relation simultaneously.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of still air bearing testing device, it is characterized in that, including main shaft, amesdial, pull bar, crossbeam, force transducer, pedestal, hydraulic elongator, manual controller, instrument, described pedestal top has the platform installing air bearing, base bottom is placed in ground grading, described platform is arranged above with the main shaft through air bearing, main shaft two ends are positioned at the crossbeam below platform by pull bar connection respectively, and it is connected formation revolute pair by bearing between main shaft with pull bar, attachment force sensor below in the middle of crossbeam, equipped with hydraulic elongator below force transducer, hydraulic elongator connects manual controller, it is fixed on platform after described amesdial is mobile on platform, described amesdial and force transducer are connected in instrument by data wire.
Described pedestal is welding for steel structure body；There are some screwed holes on the platform at described pedestal top, are used for fixing air bearing is installed；Air bearing is perpendicularly fixed at pedestal top or Horizontal type is fixed on pedestal top.
Main shaft is equal from air bearing end face distance through both sides after air bearing.
Hydraulic elongator upper end is fixing with force transducer to be connected, and lower end is fixed on pedestal bottom plate.Amesdial is scheduled on platform by the locking of bottom magnetic.
The beneficial effects of the utility model are:
This utility model is to can be used for the test of still air bearing load carrying capacity, can measure bearing capacity and bearing state relation simultaneously.This utility model produces the required force value of test by hydraulic system, is accurately controlled force value size by sensor, is changed by amesdial test air bearing gap.
Accompanying drawing explanation
Fig. 1 is still air bearing testing device structural representation of the present utility model.
Detailed description of the invention
Below by combining accompanying drawing, embodiment of the present utility model is described in more detail.
As it is shown in figure 1, a kind of still air bearing testing device, including main shaft 3, amesdial 4, pull bar 5, crossbeam 6, force transducer 7, pedestal 8, hydraulic elongator 9, manual controller 10, instrument 11.
Pedestal 8 top has the platform installing air bearing, it is placed in ground grading bottom pedestal 8, described platform is arranged above with the main shaft 3 through air bearing, main shaft 3 two ends are positioned at the crossbeam 6 below platform by pull bar 5 connection respectively, and it is connected formation revolute pair by bearing between main shaft 3 with pull bar 5, attachment force sensor 7 below in the middle of crossbeam 6, force transducer 7 is below equipped with hydraulic elongator 9, hydraulic elongator 9 connects manual controller 10, it is fixed on platform after described amesdial 4 is mobile on platform, described amesdial 4 and force transducer 7 are connected in instrument 11 by data wire.
Pedestal 8 is welding for steel structure body；There are some screwed holes on the platform at pedestal 8 top, are used for fixing air bearing 1 is installed；Air bearing 1 is perpendicularly fixed at the platform at pedestal 8 top or Horizontal type is fixed on the platform at pedestal 8 top.
It is equal from air bearing 1 end face distance that main shaft 3 holds rear both sides through air axle 1.
Hydraulic elongator 9 upper end is fixing with force transducer 7 to be connected, and lower end is fixed on the base plate of pedestal 8.Amesdial 4 is scheduled on the platform of pedestal 8 by the locking of bottom magnetic.
A kind of method of testing using still air bearing testing device, its testing procedure is:
1) air bearing 1 is fixed on the platform of pedestal 8, ventilates for air bearing 1, make air bearing 1 suspend；
2) by main shaft 3 through air bearing 1, main shaft 3 position is adjusted so that it is two ends distance air bearing 1 end face is equal；
3) pull bar 5 and crossbeam 6 are installed successively, and connecting cross beam 6 and force transducer 7；
4) amesdial 4 is installed, makes amesdial 4 probe contact with minimum point bottom the rotor 2 of air bearing 1；
5) open instrument 11 and monitor amesdial 4 and force transducer 7 data；
6) regulation air bearing 1 source of the gas so that it is reach normal suspended state；
7) manual controller 10 controls hydraulic elongator 9 motive force sensor 7, and by being rigidly connected, final power acts on main shaft 3 and air bearing 1 is produced downward radial pressure.
Claims (5)
- null1. a still air bearing testing device，It is characterized in that，Including main shaft (3)、Amesdial (4)、Pull bar (5)、Crossbeam (6)、Force transducer (7)、Pedestal (8)、Hydraulic elongator (9)、Manual controller (10)、Instrument (11)，It is characterized in that: described pedestal (8) top has the platform installing air bearing，Pedestal (8) bottom is placed in ground grading，Described platform is arranged above with the main shaft (3) through air bearing，Main shaft (3) two ends are positioned at the crossbeam (6) below platform by pull bar (5) connection respectively，And it is connected formation revolute pair by bearing between main shaft (3) with pull bar (5)，Attachment force sensor (7) below in the middle of crossbeam (6)，Force transducer (7) is below equipped with hydraulic elongator (9)，Hydraulic elongator (9) connects manual controller (10)，It is fixed on platform after described amesdial (4) is mobile on platform，Described amesdial (4) and force transducer (7) are connected in instrument (11) by data wire.
- Still air bearing testing device the most according to claim 1, it is characterised in that: described pedestal (8) is welding for steel structure body；There are some screwed holes on the platform at described pedestal (8) top, are used for fixing air bearing (1) is installed；Air bearing (1) is perpendicularly fixed at the platform at pedestal top or Horizontal type is fixed on the platform at pedestal top.
- Still air bearing testing device the most according to claim 1, it is characterised in that: described main shaft (3) is equal from air bearing (1) end face distance through air bearing (1) both sides afterwards.
- Still air bearing testing device the most according to claim 1, it is characterised in that: described hydraulic elongator (9) upper end is fixing with force transducer (7) to be connected, and lower end is fixed on the base plate of pedestal (8).
- Still air bearing testing device the most according to claim 1, it is characterised in that: described amesdial (4) is scheduled on the platform of pedestal (8) by the locking of bottom magnetic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620304788.XU CN205620128U (en) | 2016-04-13 | 2016-04-13 | Static air bearing testing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620304788.XU CN205620128U (en) | 2016-04-13 | 2016-04-13 | Static air bearing testing arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205620128U true CN205620128U (en) | 2016-10-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620304788.XU Active CN205620128U (en) | 2016-04-13 | 2016-04-13 | Static air bearing testing arrangement |
Country Status (1)
| Country | Link |
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| CN (1) | CN205620128U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106769047A (en) * | 2017-01-09 | 2017-05-31 | 中国工程物理研究院机械制造工艺研究所 | A kind of radial rigidity measurement apparatus of the Aerostatic Spindle |
-
2016
- 2016-04-13 CN CN201620304788.XU patent/CN205620128U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106769047A (en) * | 2017-01-09 | 2017-05-31 | 中国工程物理研究院机械制造工艺研究所 | A kind of radial rigidity measurement apparatus of the Aerostatic Spindle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Tao Inventor after: Ji Honglei Inventor after: Zhang Zhimin Inventor after: Xia Bingyu Inventor after: Lin Jiejun Inventor after: Zuo Youdao Inventor before: Li Tao Inventor before: Ji Honglei Inventor before: Zhang Zhimin Inventor before: Xia Bingyu Inventor before: Lin Jiejun Inventor before: Zuo Youdao |