CN207036406U - A kind of high speed rotation Work condition analogue device of marine parts - Google Patents
A kind of high speed rotation Work condition analogue device of marine parts Download PDFInfo
- Publication number
- CN207036406U CN207036406U CN201720907225.4U CN201720907225U CN207036406U CN 207036406 U CN207036406 U CN 207036406U CN 201720907225 U CN201720907225 U CN 201720907225U CN 207036406 U CN207036406 U CN 207036406U
- Authority
- CN
- China
- Prior art keywords
- air
- support system
- hollow shaft
- flotation support
- bearing
- 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.)
- Expired - Fee Related
Links
Landscapes
- Rolling Contact Bearings (AREA)
Abstract
It the utility model is related to a kind of high speed rotation Work condition analogue device of marine parts, including base, independent left air-flotation support system and right air-flotation support system are coaxially disposed in the base upper surface, gap is left between left and right air-flotation support system, hollow shaft is worn in the location mid-shaft of left and right air-flotation support system, gassiness air film gap, air supporting low suspension of the hollow shaft in left and right air-flotation support system are formed between hollow shaft and left and right air-flotation support system；Test liquid and test part are provided with the hollow shaft, hollow shaft both ends are provided with opening, and opening is outer to be sealed by seal；Hollow shaft is arranged synchronous pulley, the external motor of synchronous pulley in left and right air-flotation support system gap location.The utility model uses the air film supporting construction form of air supporting journal bearing, the complicated feed lubrication system of traditional test device is avoided, simple in construction, working service is convenient, actual working state of the marine parts when high speed rotates can be simulated, there is vast potential for future development.
Description
Technical field
The utility model belongs to the underwater technical field of measurement and test of navigation, more particularly to a kind of high speed rotation operating mode of marine parts
Analogue means.
Background technology
Actual working state of the simulation marine parts when high speed rotates, which is that the underwater technical field of measurement and test of navigation is important, to be ground
Study carefully problem.Currently, the high speed rotary test of marine parts is provided using traditional bearing rotor structure and rotates environment mostly how
Test device is turned round for underwater simulation effective lubrication support is provided, be the major issue of bearing application.Apply in the prior art
Underwater simulation revolution test device rely primarily on grease to lubricate bearing, this supporting form is simple in construction easy-to-use, and cost is low
It is honest and clean, technology maturation.However, with the rise of simulation rotating speed, traditional grease lubrication bearing will not be able to meet the needs of rotating speed,
And rotating speed body improve caused by heating problem can not solve, the use of the efficiency and test device of the work of strong influence system
Life-span.Simultaneously as grease lubrication bearing needs oil supply system so that the structure and regular maintenance of test system are relative complex,
Also increase the manufacturing cost and system weight of test device.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of high speed rotation Work condition analogue device of marine parts,
Overcome in the prior art underwater simulation revolution test device using grease lubrication support caused by technical disadvantages.
In order to solve the above problems, the technical solution of the utility model is：
A kind of high speed rotation Work condition analogue device of marine parts, including base, are coaxially disposed in the base upper surface
Independent left air-flotation support system and right air-flotation support system, between being left between left air-flotation support system and right air-flotation support system
Gap, hollow shaft is worn in the location mid-shaft of left air-flotation support system and right air-flotation support system, hollow shaft is with left air supporting support
Gassiness air film gap is formed between system and right air-flotation support system, hollow shaft is in left air-flotation support system and right air supporting
The air supporting low suspension of support system；Test liquid and test part are provided with the hollow shaft, hollow shaft both ends are provided with
Opening, opening is outer to be sealed by seal；Hollow shaft is arranged together in left air-flotation support system and right air-flotation support system gap location
Walk belt wheel, the external motor of synchronous pulley.
Preferably, described left air-flotation support system is identical with right air-flotation support system structure, including air supporting radial axle
Hold support pedestal, air supporting journal bearing, air-floating thrust bearing support frame and air-floating thrust bearing；Air supporting journal bearing passes through air supporting
Journal bearing support pedestal is fixed on base, and air-floating thrust bearing is fixed on base by air-floating thrust bearing support frame,
Air-floating thrust bearing is arranged on the axially position for playing hollow shaft on the inside of air supporting journal bearing.
Preferably, described air supporting journal bearing includes bearing inner race and the bearing outer ring being set in outside bearing inner race, axle
Bearing outer-ring outer wall is provided with blowhole, offers a pair of annular balancing slits in the front and rear sections of bearing inner race inwall, two annulars are equal
It is provided with a plurality of straight line balancing slit between indent, it is equally spaced in annular balancing slit and straight line balancing slit to be provided with multiple throttlings
Hole, be provided with flow nipple in multiple throttle orifices, multiple throttle orifices connect with blowhole, bearing inner race inwall with outside hollow shaft
Gassiness air film gap is formed between wall.
Preferably, radial direction damping plug is provided with described blowhole.
Preferably, described bearing inner race is made of titanium material.
Preferably, described test liquid is water.
Preferably, described seal is labyrinth gland.
The beneficial effects of the utility model：
1. air-flotation support system of the present utility model can provide high radial and axial running accuracy, due to not having
Mechanical Contact, the degree of wear of hollow shaft is fallen below it is minimum, so that it is guaranteed that running accuracy remains stable；
, can be to be hollow 2. the shearing force inside the utility model air supporting journal bearing between air film and hollow shaft is low
While axle provides high rotating speed, power loss is preferably minimized, caused heat is minimum so that air supporting journal bearing can be with
High superficial velocity operation；
3. the utility model uses the air film supporting construction form of air supporting journal bearing, avoid traditional test device and answer
Miscellaneous feed lubrication system, simple in construction, working service is convenient, can simulate real work of the marine parts when high speed rotates
State, there is vast potential for future development.
Brief description of the drawings
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is the structural representation of the utility model air supporting journal bearing；
Fig. 3 is Fig. 2 A-A sectional views；
In figure, 1- seals, 2- air supportings journal bearing support pedestal, 3- air supporting journal bearings, 4- air-floating thrust bearing branch
Support, 5- air-floating thrust bearings, 6- synchronous pulleys, 7- hollow shafts, 8- bases, 9- bearing outer rings, 10- bearing inner races, 11- enter gas
Hole, 12- throttle orifices, 13- annular balancing slits, 14- straight line balancing slits.
Embodiment
Principle of the present utility model is at air supporting journal bearing 3 and the gap runner of hollow shaft 7, is pressed using outside supply
Power makes gas produce air film gap between hollow shaft 7 and air supporting journal bearing 3, lubrication and support is provided for hollow shaft 7, by sky
Mandrel 7 suspends, and it has the advantages that without friction, high rotating speed, high rigidity, high accuracy, without lubricating oil, applied to underwater mould
Intend in revolution test device, actual working state of the simulation marine parts when high speed rotates.
The utility model is further detailed below in conjunction with the accompanying drawings, referring to Fig. 1, a kind of high speed rotation of marine parts
Condition of changing a job analogue means, including base 8, independent left air-flotation support system and right gas are coaxially disposed in the upper surface of base 8
Over draft support system, gap is left between left air-flotation support system and right air-flotation support system, in left air-flotation support system and right gas
The location mid-shaft of over draft support system wears hollow shaft 7, between hollow shaft 7 and left air-flotation support system and right air-flotation support system
Gassiness air film gap is formed, hollow shaft 7 is hanged under the air supporting of left air-flotation support system and right air-flotation support system
It is floating；Test liquid and test part are provided with the hollow shaft 7, the both ends of hollow shaft 7 are provided with opening, and opening is outer to pass through seal
1 sealing, seal 1 select labyrinth gland；Hollow shaft 7 is in left air-flotation support system and right air-flotation support system gap location set
If synchronous pulley 6,6 external motor of synchronous pulley.
Referring to Fig. 2, described left air-flotation support system is identical with right air-flotation support system structure, including air supporting radial axle
Hold support pedestal 2, air supporting journal bearing 3, air-floating thrust bearing support frame 4 and air-floating thrust bearing 5；Air supporting journal bearing 3 is logical
Cross air supporting journal bearing support pedestal 2 to be fixed on base 8, air-floating thrust bearing 5 is fixed by air-floating thrust bearing support frame 4
On base 8, air-floating thrust bearing 5 is arranged on the axially position that hollow shaft 7 is played in the inner side of air supporting journal bearing 3.
Fig. 3 is the A-A sectional views of air supporting journal bearing, and described air supporting journal bearing includes bearing inner race 10 and is arranged
Bearing outer ring 9 outside bearing inner race 10, the outer wall of bearing outer ring 9 are provided with blowhole 11, and the blowhole 11 is postponed bearing outer ring 9
The hole wall of endoporus is radially extended inwardly to by the lateral surface of bearing outer ring 9, is provided with blowhole 11 for gases at high pressure to be led
Enter the radial direction damping plug into endoporus, a pair of annular balancing slits 13, two rings are offered in the front and rear sections of the inwall of bearing inner race 10
It is provided with a plurality of straight line balancing slit 14 between shape balancing slit 13, equally spaced setting in annular balancing slit 13 and straight line balancing slit 14
There are multiple throttle orifices 12, flow nipple is provided with multiple throttle orifices 12, multiple throttle orifices 12 connect with blowhole 11, use
Orifice restriction form, gassiness air film gap, flow nipple supply are formed between the inwall of bearing inner race 10 and the outer wall of hollow shaft 7
Static pressure bearing capacity and damping action are provided to hollow shaft 7.
Bearing inner race 10 uses the special self-lubricating materials such as the titanium of wear-resisting, high temperature resistant, high intensity to be made, and solves contact surface
Under wear problem.
The utility model when in use, starts motor first, and synchronous pulley 6 rotates under motor effect, even if obtaining hollow
Axle 7 obtains certain rotary speed movement.Tested part is put into hollow shaft 7, the water of 2/3 water level, both ends are placed in the inside of hollow shaft 7
Opening is sealed by labyrinth seal.When the rotating speed of hollow shaft 7 reaches 20000r/min, start the working condition of test part.
The utility model according to the rotating speed of hollow shaft 7 and load character, can rationally determine air supporting journal bearing 3 air pressure and
Flow, hollow shaft 7 and the structure and geometrical scale of air supporting journal bearing 3 are determined, and then ensure total quality and fortune
Dynamic stability；
Content of the present utility model is not limited to cited by embodiment, and those of ordinary skill in the art are new by reading this practicality
Type specification and any equivalent conversion taken technical solutions of the utility model, are claim institute of the present utility model
Cover.
Claims (7)
- A kind of 1. high speed rotation Work condition analogue device of marine parts, it is characterised in that：Including base（8）, in the base（8） Upper surface is coaxially disposed independent left air-flotation support system and right air-flotation support system, left air-flotation support system and right air supporting support Gap is left between system, hollow shaft is worn in the location mid-shaft of left air-flotation support system and right air-flotation support system（7）, it is hollow Axle（7）Gassiness air film gap, hollow shaft are formed between left air-flotation support system and right air-flotation support system（7） The air supporting low suspension of left air-flotation support system and right air-flotation support system；The hollow shaft（7）Inside it is provided with test liquid And test part, hollow shaft（7）Both ends are provided with opening, and opening is outer to pass through seal（1）Sealing；Hollow shaft（7）In left air supporting branch Support system and right air-flotation support system gap location are arranged synchronous pulley（6）, synchronous pulley（6）External motor.
- A kind of 2. high speed rotation Work condition analogue device of marine parts according to claim 1, it is characterised in that：Described Left air-flotation support system is identical with right air-flotation support system structure, supports pedestal including air supporting journal bearing（2）, air supporting radially Bearing（3）, air-floating thrust bearing support frame（4）And air-floating thrust bearing（5）；Air supporting journal bearing（3）Pass through air supporting radial axle Hold support pedestal（2）It is fixed on base（8）On, air-floating thrust bearing（5）Pass through air-floating thrust bearing support frame（4）It is fixed on bottom Seat（8）On, air-floating thrust bearing（5）It is arranged on air supporting journal bearing（3）Play hollow shaft in inner side（7）Axially position effect.
- A kind of 3. high speed rotation Work condition analogue device of marine parts according to claim 1 or 2, it is characterised in that：Institute The air supporting journal bearing stated includes bearing inner race（10）Be set in bearing inner race（10）Outer bearing outer ring（9）, bearing outer ring （9）Outer wall is provided with blowhole（11）, in bearing inner race（10）The front and rear sections of inwall offer a pair of annular balancing slits（13）, Two annular balancing slits（13）Between be provided with a plurality of straight line balancing slit（14）, annular balancing slit（13）With straight line balancing slit（14） It is interior equally spaced to be provided with multiple throttle orifices（12）, multiple throttle orifices（12）Inside it is provided with flow nipple, multiple throttle orifices（12） And blowhole（11）Connection, bearing inner race（10）Inwall and hollow shaft（7）Gassiness air film gap is formed between outer wall.
- A kind of 4. high speed rotation Work condition analogue device of marine parts according to claim 3, it is characterised in that：Described Blowhole（11）Inside it is provided with radial direction damping plug.
- A kind of 5. high speed rotation Work condition analogue device of marine parts according to claim 4, it is characterised in that：Described Bearing inner race（10）It is made of titanium material.
- A kind of 6. high speed rotation Work condition analogue device of marine parts according to claim 5, it is characterised in that：Described Test liquid is water.
- A kind of 7. high speed rotation Work condition analogue device of marine parts according to claim 6, it is characterised in that：Described Seal（1）For labyrinth gland.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720907225.4U CN207036406U (en) | 2017-07-25 | 2017-07-25 | A kind of high speed rotation Work condition analogue device of marine parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720907225.4U CN207036406U (en) | 2017-07-25 | 2017-07-25 | A kind of high speed rotation Work condition analogue device of marine parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207036406U true CN207036406U (en) | 2018-02-23 |
Family
ID=61462397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720907225.4U Expired - Fee Related CN207036406U (en) | 2017-07-25 | 2017-07-25 | A kind of high speed rotation Work condition analogue device of marine parts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207036406U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107314042A (en) * | 2017-07-25 | 2017-11-03 | 西安工业大学 | A kind of underwater simulation turns round test device |
-
2017
- 2017-07-25 CN CN201720907225.4U patent/CN207036406U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107314042A (en) * | 2017-07-25 | 2017-11-03 | 西安工业大学 | A kind of underwater simulation turns round test device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204961579U (en) | Intermediate shaft bearing with keep off oily structure | |
| CN207036406U (en) | A kind of high speed rotation Work condition analogue device of marine parts | |
| CN105673689A (en) | Hybrid bearing and main shaft provided with hybrid bearing | |
| DE60325981D1 (en) | CONICAL ROLL BEARING | |
| US3012827A (en) | Gas supported bearing | |
| CN104141688B (en) | hydrodynamic sliding bearing device with automatic cleaning function | |
| CN107314042A (en) | A kind of underwater simulation turns round test device | |
| CN103759942A (en) | Water lubrication bearing test bed | |
| CN201723572U (en) | Thrust bearing structure with oil slinger | |
| CN207111704U (en) | A kind of combination unit of rolling bearing and sliding bearing | |
| ES503177A0 (en) | PROCEDURE AND DEVICE FOR AUTOMATIC AND CONTINUOUS INFLUENCE ON THE CLEARANCE OF THE LABYRINTH SEALS OF A FLUID DYNAMIC MACHINE | |
| CN207814225U (en) | A kind of bilayer Underwater pump bearing | |
| CN208236901U (en) | A kind of textured gas bush(ing) bearing of journal surface | |
| CN201953907U (en) | Suspended damper for use in high-speed rotating machine | |
| CN207036403U (en) | A kind of air supporting rotating mechanism used on centrifugal measurement device | |
| CN106523532B (en) | The oil-air lubrication bearing block and its application method of a kind of Bidirectional nozzle | |
| CN205806486U (en) | A kind of mechanical shaft seal | |
| CN201908955U (en) | Pressure equalization groove structure for pneumatic bearing | |
| CN204419871U (en) | A kind of associated sealing arrangement for bearings | |
| CN102261379A (en) | Air bearing of high-speed heavy-duty involute internal channel self-lubricating dynamic and static coupling structure | |
| CN103047279A (en) | Mute fuzzy self-aligning roller bearing | |
| CN204239471U (en) | A kind of oil ring for high rotating speed sliding bearing | |
| RU111218U1 (en) | HIGH SPEED BEARING | |
| JP3611387B2 (en) | Motor with hydrodynamic bearing | |
| CN219282253U (en) | Motor bearing structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180223 Termination date: 20190725 |