CN102944424A - Testing device of bearing service life - Google Patents
Testing device of bearing service life Download PDFInfo
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- CN102944424A CN102944424A CN2012104865586A CN201210486558A CN102944424A CN 102944424 A CN102944424 A CN 102944424A CN 2012104865586 A CN2012104865586 A CN 2012104865586A CN 201210486558 A CN201210486558 A CN 201210486558A CN 102944424 A CN102944424 A CN 102944424A
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- bearing
- proving installation
- heating cabinet
- sleeve
- drive socket
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Abstract
The invention discloses a testing device of the bearing service life. The device comprises a heating tank, a drive sleeve and a power device which can drive the drive sleeve to rotate, wherein the heating tank comprises a bearing chamber, a bearing positioning sleeve arranged in the bearing chamber and a temperature-control system for controlling the temperature of the heating tank, a sleeve through hole through which the drive sleeve can penetrate is arranged on the heating tank, and the sleeve through hole and the bearing positioning sleeve are coaxial. During usage, the outer ring of a bearing to be tested is fixed to the bearing fixing sleeve, the inner ring of the bearing to be tested is fixed to the drive sleeve, the power device drives the drive sleeve to rotate, the bearing rotates under the drive of the drive sleeve, the temperature-control system controls a heater, the environment temperature in the bearing chamber maintains within a required time zone, the bearing to be tested works at the environment temperature, the service life of the bearing to be tested is detected, and the service life of the bearing can be detected on the condition close to an actual use condition.
Description
Technical field
The present invention relates to bearing detection technique field, more particularly, relate to a kind of bearing proving installation in serviceable life.
Background technology
Bearing is one of requisite parts in most plant equipment.In some special equipments, bearing need to carry out long high capacity work in hot environment, and this quality to bearing is had higher requirement.Thus, bearing is tested the serviceable life in hot environment just seemed very necessary.
At present also not to the special device that under the high temperature high load condition, is detected the serviceable life of bearing.The testing staff is general to adopt common high-temperature test chamber that bearing is carried out static test, has larger deviation between the condition of work of test condition and bearing, and this causes the reliable test result degree not enough.
By the above, how a kind of bearing proving installation in serviceable life is provided, more be close to the purpose that under the service condition is detected the serviceable life of bearing to be implemented in, become the technical matters that those skilled in the art need solution badly.
Summary of the invention
In view of this, the invention provides a kind of bearing proving installation in serviceable life, more be close to the purpose that under the service condition is detected the serviceable life of bearing to be implemented in.
For achieving the above object, the invention provides following technical scheme:
The proving installation in a kind of bearing serviceable life comprises heating cabinet, drive socket and can drive the propulsion system that described drive socket is rotated;
Described heating cabinet comprises bearing chamber, be arranged on the bearing locating sleeve in the described bearing chamber and control the temperature control system of described heating cabinet temperature;
Be provided with the sleeve through hole that described drive socket is passed on the described heating cabinet, described sleeve through hole is coaxial with described bearing locating sleeve.
Preferably, in above-mentioned proving installation, described heating cabinet is the hollow cylinder body structure, and described bearing chamber is the cylindrical cavity in the described heating cabinet.
Preferably, in above-mentioned proving installation, described heating cabinet comprises the aluminium heating jacket of two semicircle tubulars that removably link to each other by securing member and is separately positioned on the end cap at described aluminium heating jacket two ends;
Described aluminium heating jacket and described end cap surround described bearing chamber.
Preferably, in above-mentioned proving installation, be provided with well heater around the described bearing locating sleeve.
Preferably, in above-mentioned proving installation, described temperature control system is arranged in the electric control box.
Preferably, in above-mentioned proving installation, described propulsion system comprise motor, are arranged on the belt wheel and the driving-belt that is connected described belt wheel and described drive socket end of an end of described motor rotary shaft.
Preferably, in above-mentioned proving installation, described propulsion system comprise motor, are arranged on the shaft coupling of the end of described motor rotary shaft, and the other end of described shaft coupling is connected with the end of described drive socket.
Preferably, in above-mentioned proving installation, also comprise the reducer casing that is arranged between described motor and the described drive socket, the high speed shaft of described reducer casing is connected with described motor by shaft coupling, and the slow-speed shaft of described reducer casing is connected with the end of described drive socket by shaft coupling.
Preferably, in above-mentioned proving installation, also comprise frame, described heating cabinet and described propulsion system all are arranged on the described frame.
The invention provides a kind of bearing proving installation in serviceable life, comprise heating cabinet, drive socket and can drive the propulsion system that drive socket is rotated.Heating cabinet comprises bearing chamber, be arranged on bearing locating sleeve in this bearing chamber and the temperature control system of control heating cabinet temperature.Be provided with the sleeve through hole that drive socket is passed on the heating cabinet, simultaneously, the sleeve through hole is coaxial with the bearing locating sleeve.
When using proving installation provided by the present invention that bearing is detected, the outer ring of bearing to be measured is fixed on the bearing locating sleeve, the inner ring of bearing to be measured is fixed on the drive socket, and when utilizing propulsion system to drive the drive socket rotation, bearing can rotate under the drive of drive socket; Simultaneously, utilize temperature control system control heating cabinet, the environment temperature in the bearing chamber is maintained in the needed interval, create an environment temperature that more is close under the bearing practical working situation.
As known from the above, proving installation provided by the present invention is close to environment temperature under the practical working situation by establishment, make bearing to be measured under this environment temperature, carry out work, to detect its serviceable life, realized the purpose that under the service condition is detected the serviceable life of bearing more being close to.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation of the proving installation that Fig. 1 provides for the embodiment of the invention;
Fig. 2 is the structural representation of heating cabinet in the proving installation;
Fig. 3 is the annexation synoptic diagram of heating cabinet and propulsion system in the proving installation;
Fig. 4 is the structural representation that is provided with the proving installation of frame.
Among above Fig. 1-4:
Embodiment
The embodiment of the invention discloses a kind of bearing proving installation in serviceable life, more be close to the purpose that under the service condition is detected the serviceable life of bearing to be implemented in.
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
Please refer to Fig. 1, in the proving installation that the embodiment of the invention provides, comprise heating cabinet 1, drive socket 2 and propulsion system 3.
Wherein, heating cabinet 1 comprises bearing chamber 10, bearing locating sleeve 11 and temperature control system (not shown).
Be provided with the sleeve through hole 101 that can allow drive socket 2 to pass on the heating cabinet 1; Bearing locating sleeve 11 be arranged in the bearing chamber 10 and with the 101 coaxial settings of sleeve through hole; Temperature control system links to each other with heating cabinet 1, so that the temperature in the heating cabinet 1 is controlled.
When using proving installation provided by the present invention that bearing is detected, the inner ring of one or more bearings to be measured is fixed on the drive socket 2, after the drive socket 2 that will be arranged with bearing to be measured was inserted in the bearing chamber 10, the outer ring with bearing to be measured was fixed on the bearing locating sleeve 11 again.When utilizing propulsion system 3 to drive drive socket 2 rotation, bearing to be measured can rotate under the drive of drive socket 2; Simultaneously, utilize temperature control system control heating cabinet 1, the environment temperature in the bearing chamber 10 is maintained in the needed interval, create an environment temperature that more is close under the bearing practical working situation.
As known from the above, proving installation provided by the present invention is close to environment temperature under the practical working situation by establishment, make bearing to be measured under this environment temperature, carry out work, to detect its serviceable life, realized the purpose that under the service condition is detected the serviceable life of bearing more being close to.
Being understandable that how to utilize temperature control system control heating cabinet 1, so that the temperature in the bearing chamber 10 remains in the suitable interval, is those skilled in the art's common practise.Common, temperature control system comprises temperature sensor and temperature control module.Wherein, at least one temperature sensor be arranged near the bearing chamber 10 or among with the temperature in the monitoring bearing chamber 10, be converted into electric signal and be transferred to temperature control module; Temperature control module links to each other with well heater in temperature sensor and the heating cabinet 1 simultaneously, temperature control module compares by temperature value and the set temperature value that comprises in the electric signal that will receive, draw the state that the well heater in the heating cabinet 1 should be in, the unlatching of well heater in the control heating cabinet 1, close, increase or reduce heating power to realize carrying out temperature controlled purpose.Certainly, the temperature control system in the proving installation that the embodiment of the invention provides can also have other implementation, repeats no more herein.
Further, for the ease of the temperature in the bearing chamber 10 is controlled, in an embodiment of the present invention, heating cabinet 1 is the hollow cylinder body structure, and the bearing chamber 10 that is arranged on wherein is the cylindrical cavity coaxial with heating cabinet 1.Because bearing is rotary structure, it also is that self axis is that turning axle is rotated in when work, therefore, by heating cabinet 1, bearing chamber 10 being set to the structure with coaxial bearing, make whole proving installation become symmetrical structure centered by the axis of bearing, when heating, the temperature field also is the symmetry of axle centered by this axis in the proving installation, the point that equates apart from this axial line distance in theory has equal temperature, and the operator can control accurately to the temperature in the bearing chamber 10.
Concrete, in the proving installation that above-described embodiment provides, heating cabinet 1 comprises aluminium heating jacket 102 and end cap 103.Please refer to Fig. 2, aluminium heating jacket 102 is the semicircle tubular structure, and two aluminium heating jackets 102 link to each other by securing member, and surround a hollow cylinder; Two end caps 103 are separately positioned on the two ends of aluminium heating jacket 102, and aluminium heating jacket 102 and end cap 103 surround bearing chamber 10.Sleeve through hole 101 is arranged on the end cap 103, simultaneously, also is provided with a plurality of aluminium heating jacket 12 and required through holes of sensor of arranging on the end cap 103.Present embodiment provides a specific embodiment for the heating cabinet 1 in the proving installation, and still, in the proving installation provided by the present invention, the concrete structure of heating cabinet 1 can also have other embodiment, repeats no more herein.
Preferably, in the proving installation that above-described embodiment provides, temperature control system is arranged in the electric control box.By control system being placed the comparatively electric control box of sealing, can play a very good protection to control system, prevent that external environment condition from exerting an adverse impact to control system.
Same, in proving installation provided by the present invention, also there is multiple embodiment in propulsion system 3.Please refer to Fig. 3, in the proving installation that this embodiment provides, propulsion system 3 comprise motor 31, belt wheel 32 and driving-belt 33, and belt wheel 32 is fixed on the end of motor 31 rotating shafts, and driving-belt 33 connects the end of belt wheel 32 and drive socket 2.When motor 31 operation, belt wheel 32 rotates thereupon, and then drives drive socket 2 rotations by driving-belt 33, realizes driving the purpose of bearing operation.Perhaps, propulsion system 3 comprise motor 31 and shaft coupling 34, and shaft coupling 34 connects the rotating shaft of motor 31 and the end of drive socket 2, have realized equally driving the purpose of bearing rotary.
Preferably, in the proving installation that above-described embodiment provides, also comprise the reducer casing that is arranged between motor and the drive socket, the high speed shaft of reducer casing is connected with motor by shaft coupling, and the slow-speed shaft of reducer casing is connected with the end of drive socket by shaft coupling.By reducer casing is set, can under the prerequisite of selecting the higher rotation speed motor, make drive socket 2 reach lower rotating speed, reduced the cost of proving installation.
Further, in order to improve the stability of proving installation provided by the present invention, in the proving installation that present embodiment provides, also comprise frame 4.As shown in Figure 4, heating cabinet 1, propulsion system 3 all are fixedly installed on the frame 4.
Each embodiment adopts the mode of going forward one by one to describe in this instructions, and what each embodiment stressed is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and General Principle as defined herein can in the situation that does not break away from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (9)
1. the proving installation in bearing serviceable life is characterized in that, comprises heating cabinet, drive socket and can drive the propulsion system that described drive socket is rotated;
Described heating cabinet comprises bearing chamber, be arranged on the bearing locating sleeve in the described bearing chamber and control the temperature control system of described heating cabinet temperature;
Be provided with the sleeve through hole that described drive socket is passed on the described heating cabinet, described sleeve through hole is coaxial with described bearing locating sleeve.
2. proving installation according to claim 1 is characterized in that, described heating cabinet is the hollow cylinder body structure, and described bearing chamber is the cylindrical cavity in the described heating cabinet.
3. proving installation according to claim 2 is characterized in that, described heating cabinet comprises the aluminium heating jacket of two semicircle tubulars that removably link to each other by securing member and is separately positioned on the end cap at described aluminium heating jacket two ends;
Described aluminium heating jacket and described end cap surround described bearing chamber.
4. proving installation according to claim 1 is characterized in that, is provided with well heater around the described bearing locating sleeve.
5. proving installation according to claim 1 is characterized in that, described temperature control system is arranged in the electric control box.
6. proving installation according to claim 1 is characterized in that, described propulsion system comprise motor, is arranged on the belt wheel and the driving-belt that is connected described belt wheel and described drive socket end of an end of described motor rotary shaft.
7. proving installation according to claim 1 is characterized in that, described propulsion system comprise motor, is arranged on the shaft coupling of the end of described motor rotary shaft, and the other end of described shaft coupling is connected with the end of described drive socket.
8. proving installation according to claim 7, it is characterized in that, also comprise the reducer casing that is arranged between described motor and the described drive socket, the high speed shaft of described reducer casing is connected with described motor by shaft coupling, and the slow-speed shaft of described reducer casing is connected with the end of described drive socket by shaft coupling.
9. the proving installation described in each is characterized in that according to claim 1-8, also comprises frame, and described heating cabinet and described propulsion system all are arranged on the described frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210486558.6A CN102944424B (en) | 2012-11-23 | 2012-11-23 | Testing device of bearing service life |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210486558.6A CN102944424B (en) | 2012-11-23 | 2012-11-23 | Testing device of bearing service life |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102944424A true CN102944424A (en) | 2013-02-27 |
| CN102944424B CN102944424B (en) | 2015-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210486558.6A Active CN102944424B (en) | 2012-11-23 | 2012-11-23 | Testing device of bearing service life |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002365168A (en) * | 2001-06-08 | 2002-12-18 | Nsk Ltd | Service life testing device for bearing |
| CN2821559Y (en) * | 2005-07-15 | 2006-09-27 | 洛阳轴研科技股份有限公司 | High temperature durability test machine for sedan wheel hub bearing |
| CN101430245A (en) * | 2008-12-08 | 2009-05-13 | 洛阳轴研科技股份有限公司 | Dynamic simulation test method and testing machine for plastic support bearing used for suspension |
| CN201464178U (en) * | 2009-07-22 | 2010-05-12 | 成都威士达粉末冶金有限公司 | Oil-carrying bearing life tester |
| CN101718625A (en) * | 2009-12-03 | 2010-06-02 | 洛阳轴研科技股份有限公司 | High-temperature high-speed test method for sealed bearing |
| CN201773000U (en) * | 2010-05-21 | 2011-03-23 | 浙江八环轴承有限公司 | Bearing life reliability testing device |
| CN202903484U (en) * | 2012-11-23 | 2013-04-24 | 宁波新大地轴承有限公司 | Test device of service life of bearing |
-
2012
- 2012-11-23 CN CN201210486558.6A patent/CN102944424B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002365168A (en) * | 2001-06-08 | 2002-12-18 | Nsk Ltd | Service life testing device for bearing |
| CN2821559Y (en) * | 2005-07-15 | 2006-09-27 | 洛阳轴研科技股份有限公司 | High temperature durability test machine for sedan wheel hub bearing |
| CN101430245A (en) * | 2008-12-08 | 2009-05-13 | 洛阳轴研科技股份有限公司 | Dynamic simulation test method and testing machine for plastic support bearing used for suspension |
| CN201464178U (en) * | 2009-07-22 | 2010-05-12 | 成都威士达粉末冶金有限公司 | Oil-carrying bearing life tester |
| CN101718625A (en) * | 2009-12-03 | 2010-06-02 | 洛阳轴研科技股份有限公司 | High-temperature high-speed test method for sealed bearing |
| CN201773000U (en) * | 2010-05-21 | 2011-03-23 | 浙江八环轴承有限公司 | Bearing life reliability testing device |
| CN202903484U (en) * | 2012-11-23 | 2013-04-24 | 宁波新大地轴承有限公司 | Test device of service life of bearing |
Non-Patent Citations (1)
| Title |
|---|
| 曹茂来等: "ABLT-6型外圈旋转轴承寿命强化试验机的研制", 《轴承》, no. 1, 5 January 2009 (2009-01-05), pages 50 - 52 * |
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| Publication number | Publication date |
|---|---|
| CN102944424B (en) | 2015-07-08 |
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