CN208140365U - A kind of radial direction hydrostatic gas-lubricated bearing experiment test device - Google Patents
A kind of radial direction hydrostatic gas-lubricated bearing experiment test device Download PDFInfo
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- CN208140365U CN208140365U CN201721513410.1U CN201721513410U CN208140365U CN 208140365 U CN208140365 U CN 208140365U CN 201721513410 U CN201721513410 U CN 201721513410U CN 208140365 U CN208140365 U CN 208140365U
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- micro
- displacement sensor
- hydrostatic gas
- lubricated bearing
- main shaft
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Abstract
The utility model designs a kind of radial hydrostatic gas-lubricated bearing experiment test device, is mainly made of axis system module and loading mechanism module.Axis system module includes computer desk, computer, rack, driving motor, shaft coupling, radial hydrostatic gas-lubricated bearing, main shaft, micro-displacement sensor, micro-displacement sensor bracket.Loading mechanism module includes parallel wheel, load bearings, round leather sheath, pulling force rope, carrier bar, weight beam, scale pan, support frame, upper backup pad, guide rail, worm and gear, handwheel, lower supporting plate；Main shaft is carried by two radial hydrostatic gas-lubricated bearings in the axis system, carries out displacement detecting by three micro-displacement sensors, one end is driven by driving motor by shaft coupling, and the other end applies load by load bearings by loading mechanism.The utility model can static rigidity to radial hydrostatic gas-lubricated bearing and dynamic stability carrying test, use dedicated loading mechanism, can be realized to main shaft prolong it is radial loaded from any angle, and the height loaded is adjustable.
Description
Technical field
The utility model relates to gas bearing field, in particular to a kind of radial hydrostatic gas-lubricated bearing experiment test device.
Background technique
The experimental method means for radial hydrostatic gas-lubricated bearing domestic at present are less, and method is relatively simple, most experiments
Device can only be tested specifically for specific bearing, and testing efficiency is lower.It is related real carrying out radial hydrostatic gas-lubricated bearing
When testing, general load on method is suspension method.Traditional suspension method uses the method that counterweight is directly hung on main shaft, only
Load-carrying properties when axis system static state can be tested.
Utility model content
The purpose of this utility model be in view of the above shortcomings of the prior art, provide a kind of structure be simple and convenient to operate plus
The stability that the direction and height of mounted mechanism are adjustable, can not only carry out static rigidity test when can also carry out dynamic load is surveyed
Examination can be suitable for the radial hydrostatic gas-lubricated bearing experiment test device that the radial hydrostatic gas-lubricated bearing of different height is tested.
The technical solution of the utility model is：A kind of radial direction hydrostatic gas-lubricated bearing experiment test device, it is characterised in that：By
Axis system (1) and loading mechanism (2) are constituted；Axis system (1) includes computer desk (3), driving motor (4), motor fixing frame
(5), computer (6), shaft coupling (7), radial direction hydrostatic gas-lubricated bearing a (8), micro-displacement sensor a (9), micro-displacement sensor bracket a
(10), micro-displacement sensor b (11), micro-displacement sensor c (12), micro-displacement sensor bracket b (13), radial pressurized air axis
Hold b (14), rack (15), main shaft (16)；Driving motor, radial hydrostatic gas-lubricated bearing a, microbit are sequentially installed in main shaft rack
Displacement sensor bracket a, micro-displacement sensor bracket b, micro-displacement sensor a, micro-displacement sensor b, micro-displacement sensor c, diameter
To hydrostatic gas-lubricated bearing b；Driving motor is connect with main shaft by shaft coupling, and main shaft is quiet by radial hydrostatic gas-lubricated bearing a and radial direction
Press gas bearing b carrying；There are three be fixed on micro-displacement sensor bracket for installation between two radial hydrostatic gas-lubricated bearings
Micro-displacement sensor a, micro-displacement sensor b and micro-displacement sensor c vertically and incline along main shaft radial direction from level
The three main shaft run-outs of angle detecting of oblique 45° angle, the data detected are shown by computer and are exported.
Loading mechanism includes parallel wheel a (17), takes turns b (18), load bearings (19), round leather sheath (20), pulling force rope in parallel
Rope (21), carrier bar (22), weight beam (23), scale pan (24), support frame (25), upper backup pad (26), guide rail (27),
Worm and gear (28), handwheel (29), lower supporting plate (30)；Lower supporting plate is placed on loading mechanism bracket, is placed on lower supporting plate
Worm gear mechanism, worm gear mechanism carry out height adjustment by handwheel；Connected between lower supporting plate and upper backup pad by guide rail
It connects, a pair of parallel wheel is bolted by support frame to be fixed on upper backup pad；Carrier bar is added between two parallel wheels,
Pulling force rope is connected by the hole one end at carrier bar center with weight beam, scale pan, the other end and is covered in loading axis
The round leather sheath held is connected；Round leather sheath covers in load bearings, and load bearings are mounted on main shaft.
Compared with prior art, having following beneficial effect outstanding：
1. experimental provision uses the loading mechanism (2) of autonomous Design, main shaft can be prolonged, radially 360 ° of axis system are applied
Lotus is loaded, simulating actual conditions are more advantageous to.
2. applying load to axis system by the load bearings (19) being mounted on main shaft, main shaft can not only be carried out
Static rigidity experiment, additionally it is possible to carry out main shaft dynamic stability experiment.
3. the loading mechanism of experimental provision has installed worm and gear (28) mechanism additional, pass through handwheel (29) adjustable load
The height of mechanism (2), so that experiment is more convenient.
4. using micro-displacement sensor a (9), micro-displacement sensor b (11), micro-displacement sensor c with 3 circule methods
(12) displacement detection is carried out from different angles, and the data of acquisition, which introduce computer (6), can carry out reasonable analysis processing.
Detailed description of the invention
A kind of radial hydrostatic gas-lubricated bearing experiment test device structural schematic diagram of Fig. 1
Fig. 2 comprising modules schematic diagram.
Fig. 3 axis system structural schematic diagram.
Fig. 4 loading mechanism structural schematic diagram.
Fig. 5 parallel axles mapping
Fig. 6 takes turns cross-sectional view in parallel
Fig. 7 carrier bar main view
1- axis system module；2- loading mechanism；3- computer desk；4- driving motor；5- motor fixing frame；6- computer；7-
Shaft coupling；8- radial direction hydrostatic gas-lubricated bearing a；9- micro-displacement sensor a；10- micro-displacement sensor bracket a；11- micro-displacement sensing
Device b；12- micro-displacement sensor c；13- micro-displacement sensor bracket b；14- radial direction hydrostatic gas-lubricated bearing b；15- rack；16- master
Axis；17- takes turns a in parallel；18- takes turns b in parallel；19- load bearings；20- circle leather sheath；21- pulling force rope；22- carrier bar；23- bullet
Spring dynamometer；24- scale pan；25- support frame；26- upper backup pad；27- guide rail；28- worm and gear；29- handwheel；It is propped up under 30-
Fagging.
Specific embodiment
Understand for the ease of researcher in this field and use the utility model, with reference to the accompanying drawing to the utility model
It is described in further detail.
See Fig. 1 and Fig. 2, the utility model provides a kind of suitable for a variety of radial gas bearing provided realities for carrying out performance detection
Test platform, axis system (1), loading mechanism (2), computer desk (3), driving motor (4), motor fixing frame (5), computer (6), shaft coupling
Device (7), radial direction hydrostatic gas-lubricated bearing a (8), micro-displacement sensor a (9), micro-displacement sensor bracket a (10), micro-displacement sensing
Device b (11), micro-displacement sensor b (12), micro-displacement sensor bracket (13), radial direction hydrostatic gas-lubricated bearing b (14), rack
(15), main shaft (16), take turns in parallel a (17), take turns in parallel b (18), load bearings (19), round leather sheath (20), pulling force rope (21),
Carrier bar (22), weight beam (23), scale pan (24), support frame (25), upper backup pad (26), guide rail (27), worm gear snail
Bar (28), handwheel (29), lower supporting plate (30).
Driving motor connect transmission with axis system by shaft coupling in the axis system module, and axis system is by diameter
It is constituted to hydrostatic gas-lubricated bearing a, radial direction hydrostatic gas-lubricated bearing b and main shaft.Three are equipped between two radial hydrostatic gas-lubricated bearings
A micro-displacement sensor being fixed on micro-displacement sensor bracket, displacement when to main shaft load operation detect.Main shaft
The system other end is connected with loading mechanism, and loading mechanism applies load to axis system by load bearings.
There are circular hole among carrier bar in the loading mechanism module, pulling force rope one end passes through circular hole and round leather sheath
It is connected, the other end is connected with weight beam, scale pan, load is applied to axis system by placing counterweight on scale pan,
And carrier bar both ends are round microcephaly, by the pressing force of bolt be fixed on parallel wheel a on parallel wheel b.
A pair in the loading mechanism module takes turns a and parallel wheel b in parallel, and inside is hollow structure, and there are seams for inside
Gap, parallel wheel are provided with osculum directly vertically below to install carrier bar additional.The round microcephaly at carrier bar both ends is respectively charged into parallel wheel
It is hollow structure due to taking turns in parallel internal after the osculum of lower section, then carrier bar may be along parallel wheel inside 360 ° of gap movement, thus
It realizes to 360 ° of application load of axis system.
Upper backup pad in the loading mechanism module is fixedly connected with lower supporting plate by guide rail, is drawn among upper backup pad
Sky, convenient for placing parallel wheel a, parallel wheel b and scale pan.Parallel wheel a takes turns b in parallel and is fixed with bolts with support frame,
Support frame, which is bolted, to be fixed on upper backup pad.Worm gear mechanism and handwheel are placed on lower supporting plate, pass through shake
Handwheel adjusts the height of upper backup pad, so that the height of parallel wheel a with parallel wheel b are adjusted, convenient for the main shaft system to different height
System is loaded.
Specific operation process explanation：
(1) experiment of main shaft dynamic stability is carried out：Carrier bar position is adjusted, so that pulling force rope is from scheduled angle to master
Axis applies load.It opens gas source to supply to radial hydrostatic gas-lubricated bearing, floats to main shaft, open the power supply of driving motor, make to lead
Then the counterweight of corresponding weight is placed in axis rotary motion on scale pan, apply to axis system and load.Then three are recorded
The numerical value of micro-displacement sensor, the numerical value of weight beam, main shaft revolving speed, gas source feed air pressure.After having recorded data, close
Fall gas source and power supply.The load applied can be adjusted by adjusting the counterweight number of scale pan, by adjusting the revolving speed of driving motor
The revolving speed of main shaft is adjusted, by adjusting the Impact direction of the position adjustment main shaft of double end bar, then according to operating procedure
It is repeated and obtains different experimental datas.
(2) experiment of axis system static rigidity is carried out：Carrier bar position is adjusted, so that pulling force rope is from scheduled angle pair
Main shaft applies load.It opens gas source to supply to radial hydrostatic gas-lubricated bearing, floats to main shaft, weight is then placed on scale pan
Code applies axis system and loads.The reading of weight beam and displacement sensor is recorded, when the displacement of main shaft occurs
When large change, corresponding weight beam value is the static maximum rigidity of axis system.
Claims (2)
1. a kind of radial direction hydrostatic gas-lubricated bearing experiment test device, it is characterised in that：By axis system (1) and loading mechanism (2)
It constitutes；Axis system (1) includes computer desk (3), driving motor (4), motor fixing frame (5), computer (6), shaft coupling (7), diameter
To hydrostatic gas-lubricated bearing a (8), micro-displacement sensor a (9), micro-displacement sensor bracket a (10), micro-displacement sensor b (11),
Micro-displacement sensor c (12), micro-displacement sensor bracket b (13), radial direction hydrostatic gas-lubricated bearing b (14), rack (15), main shaft
(16)；Driving motor, radial hydrostatic gas-lubricated bearing a, micro-displacement sensor bracket a, micro-displacement are sequentially installed in main shaft rack
Sensor stand b, micro-displacement sensor a, micro-displacement sensor b, micro-displacement sensor c, radial hydrostatic gas-lubricated bearing b；Driving
Motor is connect with main shaft by shaft coupling, and main shaft is carried by radial hydrostatic gas-lubricated bearing a and radial direction hydrostatic gas-lubricated bearing b；Two
Micro-displacement sensor a, the micro-displacement being fixed on there are three being installed between radial hydrostatic gas-lubricated bearing on micro-displacement sensor bracket
Sensor b and micro-displacement sensor c, along main shaft radial direction from level, vertical and inclination three angle detecting masters of 45° angle
Shaft run-out, the data detected are shown by computer and are exported.
2. a kind of radial hydrostatic gas-lubricated bearing experiment test device according to claim 1, it is characterised in that：Loading mechanism
Including taking turns a (17) in parallel, taking turns b (18), load bearings (19), round leather sheath (20), pulling force rope (21), carrier bar in parallel
(22), weight beam (23), scale pan (24), support frame (25), upper backup pad (26), guide rail (27), worm and gear (28),
Handwheel (29), lower supporting plate (30)；Lower supporting plate is placed on loading mechanism bracket, places worm gear mechanism on lower supporting plate,
Worm gear mechanism carries out height adjustment by handwheel；It is connected between lower supporting plate and upper backup pad by guide rail, a pair of parallel wheel
It is bolted and is fixed on upper backup pad by support frame；Carrier bar is added between two parallel wheels, pulling force rope passes through
The hole one end at carrier bar center is connected with weight beam, scale pan, the other end and covers the round skin in load bearings
Set is connected；Round leather sheath covers in load bearings, and load bearings are mounted on main shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721513410.1U CN208140365U (en) | 2017-11-14 | 2017-11-14 | A kind of radial direction hydrostatic gas-lubricated bearing experiment test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721513410.1U CN208140365U (en) | 2017-11-14 | 2017-11-14 | A kind of radial direction hydrostatic gas-lubricated bearing experiment test device |
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| Publication Number | Publication Date |
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| CN208140365U true CN208140365U (en) | 2018-11-23 |
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| CN201721513410.1U Active CN208140365U (en) | 2017-11-14 | 2017-11-14 | A kind of radial direction hydrostatic gas-lubricated bearing experiment test device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109357870A (en) * | 2018-11-30 | 2019-02-19 | 北京精密机电控制设备研究所 | A kind of radial direction air-bearing performance test machine |
| CN113340546A (en) * | 2021-04-28 | 2021-09-03 | 重庆大学 | Bearing dismounting and rigidity testing integrated device |
| CN114383843A (en) * | 2022-01-20 | 2022-04-22 | 辽宁工业大学 | Double-span dynamic pressure sliding bearing experiment table capable of applying dynamic load |
-
2017
- 2017-11-14 CN CN201721513410.1U patent/CN208140365U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109357870A (en) * | 2018-11-30 | 2019-02-19 | 北京精密机电控制设备研究所 | A kind of radial direction air-bearing performance test machine |
| CN109357870B (en) * | 2018-11-30 | 2021-01-05 | 北京精密机电控制设备研究所 | Radial air bearing performance test machine |
| CN113340546A (en) * | 2021-04-28 | 2021-09-03 | 重庆大学 | Bearing dismounting and rigidity testing integrated device |
| CN113340546B (en) * | 2021-04-28 | 2023-04-21 | 重庆大学 | Bearing disassembly and stiffness testing integrated device |
| CN114383843A (en) * | 2022-01-20 | 2022-04-22 | 辽宁工业大学 | Double-span dynamic pressure sliding bearing experiment table capable of applying dynamic load |
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