CN103645053B - A kind of airtight bearing test clamping device - Google Patents
A kind of airtight bearing test clamping device Download PDFInfo
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- CN103645053B CN103645053B CN201310651783.5A CN201310651783A CN103645053B CN 103645053 B CN103645053 B CN 103645053B CN 201310651783 A CN201310651783 A CN 201310651783A CN 103645053 B CN103645053 B CN 103645053B
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- bottom plating
- ring seal
- airtight
- inner bottom
- airtight bearing
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Abstract
The present invention discloses a kind of airtight bearing test clamping device, comprises outer ring seal assembly, inner ring seal assembly and test interface; Outer ring seal assembly comprises screw, outer plate, Outer Bottom Plating and O-ring seal, and tighten screw and outer plate is pressed airtight bearing outer ring and is fixed on Outer Bottom Plating, the contact position of outer plate, Outer Bottom Plating and airtight bearing is provided with O-ring seal; Inner ring seal assembly comprises clip plate, inner bottom plating, O-ring seal and nut, and clip plate presses in the outer ring of airtight bearing and is fixed on inner bottom plating by fastening nut, and the contact position of clip plate, inner bottom plating and airtight bearing inner race is provided with O-ring seal; Inner bottom plating, between Outer Bottom Plating and airtight bearing, form an airtight passage; Described test interface comprises air feed interface, Pressure monitoring interface and moment acquisition interface, and three interfaces are installed on described inner bottom plating, and is communicated with described airtight passage.The present invention realizes reliable connection between airtight bearing and testing table and fixing, and this apparatus structure is simple, and volume is little, dismounting and easy to maintenance.
Description
Technical field
The present invention relates to observation and control technology field, be specifically related to a kind of airtight bearing test clamping device.
Background technology
Airtight bearing is mainly used on the clothes out of my cabin of spacefarer, can freely rotate under the air pressure of regulation, be made up of inner ring, outer ring and sealing strip etc., require the real work situation that takes of its clamping device energy boiler-plate at the trial outward, detect the moment under different air pressure and working time, particularly work for a long time, be generally 20 days to about one month.Due to the singularity of airtight bearing arrangement, the quality of its clamping device determines the accuracy of test figure.By inquiry related data, there are no the related introduction of this test clamping device, but through understanding with person skilled, general at the trial airtight bearing and easy device simply to be sealed by manual, impermeability is difficult to ensure and is not suitable with test connection for a long time, needs many people compounding practice, sometimes itself can cause certain damage to airtight bearing at the trial, be difficult to ensure long work, the data validity collected needs to be checked further.Therefore, in the urgent need to providing a kind of test clamping device for airtight bearing.
Summary of the invention
Technical purpose of the present invention is to provide a kind of airtight bearing test clamping device, and realize reliable connection between airtight bearing and testing table and fixing, this apparatus structure is simple, and volume is little, dismounting and easy to maintenance.
A kind of airtight bearing test clamping device, comprises outer ring seal assembly, inner ring seal assembly and test interface;
Described outer ring seal assembly comprises screw, outer plate, Outer Bottom Plating, outer plate O-ring seal and Outer Bottom Plating O-ring seal, outer plate is positioned at above Outer Bottom Plating, screw is for by tightening the outer ring of outer plate being pressed airtight bearing and being fixed on Outer Bottom Plating, the contact position of outer plate and airtight bearing is provided with outer plate O-ring seal, and the surface of contact place of Outer Bottom Plating and airtight bearing outer ring is provided with Outer Bottom Plating O-ring seal;
Described inner ring seal assembly comprises O-ring seal and nut in the middle part of clip plate, inner bottom plating, clip plate O-ring seal, inner bottom plating bottom sealing ring, inner bottom plating, clip plate is positioned at above inner bottom plating, nut inserts clip plate and inner bottom plating, by fastening nut clip plate pressed in the outer ring of airtight bearing and be fixed on inner bottom plating, the contact position on clip plate and airtight bearing inner race top is provided with clip plate O-ring seal, contact position in the middle part of inner bottom plating and airtight bearing is provided with O-ring seal in the middle part of inner bottom plating, and the contact position bottom inner bottom plating and airtight bearing is provided with inner bottom plating bottom sealing ring; Described inner bottom plating, between Outer Bottom Plating and airtight bearing, form an airtight passage;
Described test interface comprises air feed interface, Pressure monitoring interface and moment acquisition interface, and three interfaces are installed on described inner bottom plating, and is communicated with described airtight passage.
Beneficial effect of the present invention is embodied in:
Airtight bearing, by after apparatus of the present invention clamping, can be connected with testing table and carry out correlation test.The sealing of airtight bearing outer ring, by outer plate and Outer Bottom Plating install O-ring seal, applies the sealing that certain pretightning force ensures outer ring during installation.The outer ring of outer plate and Outer Bottom Plating and airtight bearing seals and with outer ring next sealing of inner ring of close bearing of taking offence that runs up of driving at testing table, by clip plate and inner bottom plating install O-ring seal, can apply the sealing that certain pretightning force ensures inner ring during installation.The inner ring of clip plate and inner bottom plating and airtight bearing seals, and is connected, does not operationally rotate together with outer ring by axis of torque with testing table.Inner bottom plating is provided with two fast interfaces and an axis of torque interface, provides the external interface with testing apparatus, this interface is selected can the joint of fast insert-pull, makes connection rapid, reliably, easy to operate, can save the time changing airtight bearing.
Condition when the present invention tests during energy analog operation, realizes the sealing of airtight bearing, and is provided with inflatable interface and sensor interface, meets and carries out correlation test to airtight bearing, little on the impact at the trial of airtight bearing.Apparatus of the present invention need Special use environment when sealing when being particularly useful for product sealing clamp and the test of similar airtight bearing and analog structure.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the vertical view of Fig. 1.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.In addition, if below in described each embodiment of the present invention involved technical characteristic do not form conflict each other and just can mutually combine.
As depicted in figs. 1 and 2, the airtight bearing test clamping device of the present invention, comprises outer ring seal assembly, inner ring seal assembly and test interface.
Described outer ring seal assembly comprises screw 1, outer plate 2, Outer Bottom Plating 3, outer plate O-ring seal 4 and Outer Bottom Plating O-ring seal 5, outer plate 2 is positioned at above Outer Bottom Plating 3, screw 1 is for by tightening the outer ring of outer plate 2 being pressed airtight bearing and being fixed on Outer Bottom Plating 3, outer plate 2 is provided with outer plate O-ring seal 4 with the contact position of airtight bearing, and Outer Bottom Plating 3 is provided with Outer Bottom Plating O-ring seal 5 with the surface of contact place of airtight bearing outer ring;
Described inner ring seal assembly comprises clip plate 9, inner bottom plating 10, clip plate O-ring seal 7, inner bottom plating bottom sealing ring 8, O-ring seal 16 and nut 12 in the middle part of inner bottom plating, clip plate 9 is positioned at above inner bottom plating 10, nut 12 inserts clip plate 9 and inner bottom plating 10, by fastening nut 12 clip plate 9 pressed in the outer ring of airtight bearing and be fixed on inner bottom plating 10, clip plate 9 is provided with clip plate O-ring seal 7 with the contact position on airtight bearing inner race top, inner bottom plating 10 is provided with O-ring seal 16 in the middle part of inner bottom plating with the contact position in the middle part of airtight bearing, inner bottom plating 10 is provided with inner bottom plating bottom sealing ring 8 with the contact position bottom airtight bearing, described inner bottom plating 9, between Outer Bottom Plating 3 and airtight bearing, form an airtight passage,
Described test interface comprises air feed interface, Pressure monitoring interface and moment acquisition interface, and three interfaces are installed on described inner bottom plating 10, and are communicated with described airtight passage.
Assembling process is specially: be fixed on testing table by pilot hole 17 after Outer Bottom Plating 3 installs Outer Bottom Plating O-ring seal 5.Axis of torque 11 and axis of torque O-ring seal 13 are arranged on inner bottom plating 10 by screw 14, two fast interfaces 15 by screw thread directly and inner bottom plating 10 tighten, O-ring seal 7 and O-ring seal 16 are arranged in the corresponding seal groove of inner bottom plating 10, airtight bearing 6 inner ring is slowly put into inner bottom plating 10, carrying out fine setting makes O-ring seal 7 contact well with O-ring seal 16 with airtight bearing 6, by screw 1 and outer plate 2, outer plate O-ring seal 4 compresses with the outer ring of airtight bearing 6 and is tightened on Outer Bottom Plating 3, again clip plate 9 and clip plate O-ring seal 7 are covered on the inner ring of airtight bearing 6, by nut 12, clip plate 9 is tightened.Before connection external interface, first rotate the inner ring of airtight bearing 6 with hand, check that whether the rotation of inner ring and outer ring is flexible, without catching phenomenon.
The sealing of airtight bearing outer ring, by outer plate and Outer Bottom Plating install O-ring seal, applies the sealing that certain pretightning force ensures outer ring during installation.The outer ring of outer plate and Outer Bottom Plating and airtight bearing seal and can with outer ring testing table driving next play rotation.
The sealing of the inner ring of airtight bearing, by clip plate and inner bottom plating install O-ring seal, applies the sealing that certain pretightning force ensures inner ring during installation.The inner ring of clip plate and inner bottom plating and airtight bearing seals, and is connected, does not operationally rotate together with outer ring by axis of torque with testing table.
Inner bottom plating 10 is provided with two fast interfaces and an axis of torque interface, the external interface with testing apparatus is provided.Mainly air feed interface, Pressure monitoring interface and moment acquisition interface, this interface is selected can the joint of fast insert-pull, makes connection rapid, reliably, easy to operate, can save the time changing airtight bearing.
Those skilled in the art will readily understand; the foregoing is only preferred embodiment of the present invention; not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (1)
1. an airtight bearing test clamping device, is characterized in that, comprises outer ring seal assembly, inner ring seal assembly and test interface;
Described outer ring seal assembly comprises screw (1), outer plate (2), Outer Bottom Plating (3), outer plate O-ring seal (4) and Outer Bottom Plating O-ring seal (5), outer plate (2) is positioned at Outer Bottom Plating (3) top, screw (1) is for by tightening the outer ring of outer plate (2) being pressed airtight bearing and being fixed on Outer Bottom Plating (3), outer plate (2) is provided with outer plate O-ring seal (4) with the contact position of airtight bearing, and Outer Bottom Plating (3) is provided with Outer Bottom Plating O-ring seal (5) with the surface of contact place of airtight bearing outer ring; Outer plate (2) and Outer Bottom Plating (3) and the outer ring of airtight bearing seal and can with outer ring testing table driving next play rotation;
Described inner ring seal assembly comprises clip plate (9), inner bottom plating (10), clip plate O-ring seal (7), inner bottom plating bottom sealing ring (8), O-ring seal (16) and nut (12) in the middle part of inner bottom plating, clip plate (9) is positioned at inner bottom plating (10) top, nut (12) inserts clip plate (9) and inner bottom plating (10), by fastening nut (12) clip plate (9) pressed in the outer ring of airtight bearing and be fixed on inner bottom plating (10), clip plate (9) is provided with clip plate O-ring seal (7) with the contact position on airtight bearing inner race top, inner bottom plating (10) is provided with O-ring seal in the middle part of inner bottom plating (16) with the contact position in the middle part of airtight bearing, inner bottom plating (10) is provided with inner bottom plating bottom sealing ring (8) with the contact position bottom airtight bearing, described inner bottom plating (9), between Outer Bottom Plating (3) and airtight bearing, form an airtight passage, clip plate (9) and inner bottom plating (10) seal with the inner ring of airtight bearing, be connected, operationally do not rotate together with outer ring by axis of torque with testing table,
Described test interface comprises air feed interface, Pressure monitoring interface and moment acquisition interface, and three interfaces are installed on described inner bottom plating (10), and are communicated with described airtight passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310651783.5A CN103645053B (en) | 2013-12-05 | 2013-12-05 | A kind of airtight bearing test clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310651783.5A CN103645053B (en) | 2013-12-05 | 2013-12-05 | A kind of airtight bearing test clamping device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103645053A CN103645053A (en) | 2014-03-19 |
| CN103645053B true CN103645053B (en) | 2016-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310651783.5A Active CN103645053B (en) | 2013-12-05 | 2013-12-05 | A kind of airtight bearing test clamping device |
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| CN (1) | CN103645053B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108044542A (en) * | 2017-12-27 | 2018-05-18 | 合肥知常光电科技有限公司 | A kind of optical element quick-replaceable positioner |
| CN113977499B (en) * | 2021-12-23 | 2022-04-05 | 沈阳华天航空机械有限公司 | Cabin cover air tightness test clamp |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203083786U (en) * | 2012-12-11 | 2013-07-24 | 宁波百诺肯轴承有限公司 | Bearing waterproof airtight testing device |
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2013
- 2013-12-05 CN CN201310651783.5A patent/CN103645053B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203083786U (en) * | 2012-12-11 | 2013-07-24 | 宁波百诺肯轴承有限公司 | Bearing waterproof airtight testing device |
Non-Patent Citations (4)
| Title |
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| "飞天"舱外航天服气密轴承的设计;贺双喜 等;《航天医学与医学工程》;20131031;第389页图2 * |
| "飞天"舱外航天服的研制;李潭秋;《载人航天》;20081231(第4期);第8-18页 * |
| 密封轴承性能试验机的定型设计;周有华 等;《轴承》;19961231(第2期);第38-42,47页 * |
| 密封轴承的密封性能试验;刘寿详;《轴承》;19921231(第2期);第41-44,61页 * |
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| CN103645053A (en) | 2014-03-19 |
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