CN101819091B - Combined intelligent monitoring bearing - Google Patents
Combined intelligent monitoring bearing Download PDFInfo
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- CN101819091B CN101819091B CN2010101319001A CN201010131900A CN101819091B CN 101819091 B CN101819091 B CN 101819091B CN 2010101319001 A CN2010101319001 A CN 2010101319001A CN 201010131900 A CN201010131900 A CN 201010131900A CN 101819091 B CN101819091 B CN 101819091B
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 15
- 230000001133 acceleration Effects 0.000 claims abstract description 38
- 239000011888 foil Substances 0.000 claims description 27
- 239000000523 sample Substances 0.000 claims description 24
- 238000009434 installation Methods 0.000 claims description 18
- 238000005485 electric heating Methods 0.000 claims description 14
- 239000002184 metal Substances 0.000 claims description 13
- 238000012806 monitoring device Methods 0.000 claims description 12
- 239000011810 insulating material Substances 0.000 claims description 10
- 239000003292 glue Substances 0.000 claims description 6
- 210000001503 joint Anatomy 0.000 claims description 6
- 238000001514 detection method Methods 0.000 abstract description 2
- 230000001953 sensory effect Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
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Abstract
The invention discloses a combined intelligent monitoring bearing, which comprises a bearing (1) and an intelligent monitor (2) arranged on the bearing. The bearing (1) comprises a rotary outer ring (3) and a fixed inner ring (4); and a ball (5) or roller (5') is arranged between the rotary outer ring (3) and the fixed inner ring (4). The combined intelligent monitoring bearing is characterized in that the intelligent monitor (2) comprises a shell (6) and a rotation speed code disc (7) which is sleeved outside the shell (6) and is coaxial with the shell (6); the intelligent monitor (2) is axially inserted in a gap between the rotary outer ring (3) and the fixed inner ring (4) of the bearing (1) to be in interference fit with the bearing. The combined intelligent monitoring bearing has the advantages of realizing short-distance detection of fault information of the bearing without damaging the bearing structure, truly achieving the acceleration, rotation speed and temperature for the work of the bearing without damaging the structure of the bearing or causing stress concentration of the bearing.
Description
Technical field
The invention belongs to bearing, relate in particular to a kind of novel combination type intelligent monitoring bearing that bearing state detects that is applied to.
Background technology
Present integral intelligent bearing has external hanging type and embedded two kinds of versions.The external hanging type combination is not destroyed the structure of bearing but the overall dimensions of traditional bearing is changed, the characteristics of such combination have determined the sensory package and the source of trouble to have certain distance simultaneously, make its signal that obtains to reflect the failure message of bearing truly, more can not do early detection to the fault signature of bearing in this way, because adopt the right bearing fault of this kind structure to detect the reliability that can not guarantee signal; Embedded in conjunction with mode very near the generation source of measured signal, the intermediate interface of signal transmission reduces, the signal of gathering can reflect the practical working situation of bearing truly, the signal to noise ratio (S/N ratio) height, but this structural failure the integrality of bearing, and problem such as cause that easily stress is concentrated, thereby this structure detects bearing state and also has certain problem.
The shortcoming of prior art is: there are certain distance in the structure sensory package and the source of trouble of external hanging type, and the signal that obtains can not reflect the failure message of bearing truly, Embedded structural failure the inner structure of bearing, cause the problem of stress concentration of bearing.
Summary of the invention
The purpose of this invention is to provide a kind of outer ring rotation, motionless integral intelligent bearing of inner ring that the intelligent bearing monitor is installed.
For achieving the above object, the present invention explains a kind of combined intelligent monitoring bearing, comprise bearing and the intellectual monitoring device that is installed on the bearing, described bearing comprises rotation outer ring and motionless inner ring, between described rotation outer ring and motionless inner ring, be provided with ball or roller, its key is: described intellectual monitoring device comprises housing and rotating speed code-disc, described rotating speed code-disc be enclosed within housing outer and with the circular code-disc of housing concentric, described intellectual monitoring device axially inserts rotation outer ring and the gap location between the motionless inner ring and the bearing interference fit of described bearing, wherein said rotating speed code-disc and rotation outer ring inwall interference fit, the butt joint end face of described motionless interior ring outer wall is provided with a ring-shaped step, the butt joint end face of described inner walls is provided with the groove that cooperates with described ring-shaped step, and the groove interference fit of the ring-shaped step of described motionless inner ring and housing is installed together;
The outside of rotating speed code-disc is installed together with the inboard interference fit in rotation outer ring, the groove interference fit that the round boss that is provided with on the outside one end face of motionless inner ring and the inboard of housing are provided with, be installed together, realized that the intellectual monitoring device is installed on the end face of the bearing that the outer ring rotates, inner ring is motionless, under the prerequisite of not destroying bearing arrangement, closely detect the failure message of bearing, obtain the working condition of bearing more really, and can not destroy the structure of bearing, can not cause the problem of stress concentration of bearing.
Be embedded with two strain chip acceleration sensing devices on the described housing, a revolution speed sensing device and a temperature sensing device, the center line of described two strain chip acceleration sensing devices all is parallel to the center line of described housing, both angles are 90 °, described revolution speed sensing device radially is embedded on the described housing, the center line of described temperature sensing device is parallel to the center line of described housing, circuit board also is installed, described two strain chip acceleration sensing devices on the end face of described housing, revolution speed sensing device and a temperature sensing device all connection terminal of the circuit board on output line and described housing end face are connected;
Also be provided with the signals collecting trigger circuit on the described circuit board, the acceleration signal amplifying circuit, tach signal amplifying circuit and temperature signal amplifying circuit, the input end of described acceleration signal amplifying circuit is connected with the output terminal of described acceleration sensing device, the input end of described tach signal amplifying circuit is connected with the output terminal of described revolution speed sensing device, the input end of described temperature signal amplifying circuit is connected with the output terminal of described temperature sensing device, described acceleration signal amplifying circuit, tach signal amplifying circuit and temperature signal amplifying circuit all are provided with signal output part, each signal output part respectively with the acceleration signal input end of described signals collecting trigger circuit, the tach signal input end is connected with the temperature signal input end, the signal that the output terminal output of described signals collecting trigger circuit collects is given computing machine and is handled.
Two strain chip acceleration sensing devices, a revolution speed sensing device and a temperature sensing device evenly are embedded on the housing, be respectively applied for the vibration when detecting bearing working, temperature and speed conditions, sensing device is as the part of intelligent bearing parts, be easy to installation and removal, because this structure is near the bearing fault source, can extract the low-frequency range feature of bearing effectively, avoided high frequency noise, the generation of undesired signal, the reliability and the validity of signal have been improved greatly, the housing of intelligent bearing is installed on the end face of bearing by interference fit, has reduced the problem that the destruction and the bearing stress of bearing arrangement are concentrated.
Each described strain chip acceleration sensing device is by four foil gauges, elastic body and mass are formed, described elastomeric bottom is an isosceles trapezoid template structure, top is cylindrical structure, described isosceles trapezoid template structure has first through hole and second through hole along the upper and lower of center line, two foil gauges in described four foil gauges are arranged in the upper and lower of axial plane in the described elastomeric cylindrical structure, described other two foil gauges are arranged in the left and right sides of axial plane in the vertical described elastomeric cylindrical structure, described four foil gauges are identical with the distance of described isosceles trapezoid template structure, described two foil gauges are respectively drawn a lead, two leads are connected with the first signal for faster terminals of described circuit board after all passing first through hole, other two foil gauges are also all respectively drawn a lead, these two leads are connected with the second signal for faster terminals of described circuit board after passing second through hole respectively, described mass is a cylindrical structural, and an end face and the described elastomeric upper end of this mass are consolidated with fixing glue;
Be provided with counterbore in the described housing, the top of this counterbore is consistent with the shape of described isosceles trapezoid template structure, and thickness is identical, coats fixing glue on the upper inside wall of counterbore, and the elastic body that the upper end is fixed with mass is packed in the described counterbore.
During bearing operation, mass impression vibration, mass produces an alternating force that is proportional to acceleration and acts on the elastic body, strain takes place in the foil gauge that sticks on the elastic body thereupon, thereby the resistance of foil gauge is changed, the foil gauge changes in resistance causes the bridge circuit imbalance that foil gauge is formed, the foil gauge bridge circuit is uneven and the acceleration output voltage that produces and novel combination type intelligent monitoring bearing housing is linear, can record the size of novel combination type intelligent monitoring bearing housing acceleration.Then in measuring process, the acceleration sensing device reflects bearing vibration by the acceleration of measuring novel combination type intelligent monitoring bearing housing, form metering circuit owing to adopt, by measuring the acceleration on two orthogonal directions of bearing face after the decoupling zero with four foil gauges.
Described revolution speed sensing device is by magnetic pole, solenoid, the speed probe shell, permanent magnet and " L " type lead-in wire are formed, the bottom of described speed probe shell is the hexagonal swivel nut, this speed probe outer casing underpart is a helicitic texture for one section, described magnetic pole is a cylindrical structural, this magnetic pole runs through the bottom of described speed probe shell, described speed probe shell is stretched out in the lower end of described magnetic pole, the upper end of this magnetic pole is positioned at the speed probe shell, described magnetic pole top is connected with the lower end of described permanent magnet, the upper end of described permanent magnet is connected with an end of " L " type lead-in wire, described solenoid is installed on the inwall of described speed probe shell, and described magnetic pole passes the center pit of described solenoid;
The revolution speed sensing device that described inner walls has is radially installed counterbore, the top that this revolution speed sensing device is installed counterbore is female thread structure, described speed probe shell is installed in the revolution speed sensing device installation counterbore of described housing by the hexagonal swivel nut of bottom, and described " L " type lead-in wire passes " L " type through hole of described lower housing portion.
The revolution speed sensing device radially is installed in inner walls, the rotating speed code-disc is made with weak magnetic metal material, the rotating speed code-disc is followed bearing when rotating together, the pole parts of stretching out produces magnetic variationization, the magnetic flux that causes solenoid changes, produce the electromotive force of amplitude alternation in the solenoid, faint induction electromotive force is amplified, thereby change the tach signal of bearing into electric impulse signal output with the activated amplifier that solenoid is connected indirectly.
Described temperature sensing device is made up of metal sleeve, the electric heating utmost point, insulating material, installation nut and temperature signal lead-in wire, the described metal sleeve and the electric heating utmost point all are installed in the bottom of described installation nut, described filling insulating material is between the described metal sleeve and the electric heating utmost point, the outer wall of described installation nut is provided with external thread, and this is installed the nut upper end and is connected with an end of described temperature signal lead-in wire;
Described shell rim is provided with perpendicular to this housing through hole radially, this through hole bottom, the middle part is three sections ladder circular holes that diameter is different with top, the middle part inwall of described through hole is a female thread structure, described through hole lower diameter is greater than the middle part diameter, the middle part diameter is greater than upper diameter, the middle part of described through hole is connected with described installation nut thread, described temperature sensing device is installed in the described through hole by nut is installed, described metal sleeve, the electric heating utmost point, insulating material all is positioned at the through hole bottom, and the temperature signal lead-in wire that the upper end of described installation nut connects passes the upper hole of described through hole.
Metal sleeve is near axle bearing, the temperature variation of perception bearing rapidly, and the insulating material of the temperature variation of bearing by good heat conductivity passed to the electric heating utmost point, by the temperature signal lead-in wire temperature signal is transferred to the temperature signal amplifying circuit by the electric heating utmost point and handles.
Remarkable result of the present invention is: be implemented under the prerequisite of not destroying bearing arrangement, closely detect the failure message of bearing, obtain acceleration, rotating speed and the temperature of bearing working more really, and can not destroy the structure of bearing, can not cause the problem of stress concentration of bearing.
Description of drawings
Fig. 1 is for being equipped with the structural representation of intellectual monitoring device 2 on ball bearing;
Fig. 2 on roller bearing, be equipped with intellectual monitoring device 2 structural representation;
Fig. 3 is the left view of Fig. 1;
Fig. 4 is the A-A view of Fig. 3;
Fig. 5 is the B-B view of Fig. 3;
Fig. 6 is a theory diagram of the present invention;
Fig. 7 is the vertical view of acceleration sensing device;
Fig. 8 is the A-A view of acceleration sensing device;
Fig. 9 is the A portion enlarged drawing of Fig. 4;
Figure 10 is the B portion enlarged drawing of Fig. 4;
The vertical view of the hexagonal swivel nut of Figure 11 revolution speed sensing device;
Figure 12 is the C portion enlarged drawing of Fig. 5.
Embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail.
As illustrated in fig. 1 and 2, a kind of combined intelligent monitoring bearing, comprise bearing 1 and the intellectual monitoring device 2 that is installed on the bearing, described bearing 1 comprises rotation outer ring 3 and motionless inner ring 4, between described rotation outer ring 3 and motionless inner ring 4, be provided with ball 5 or roller 5 ', described intellectual monitoring device 2 comprises housing 6 and rotating speed code-disc 7, described rotating speed code-disc 7 for be enclosed within housing 6 outer and with the circular code-disc of housing 6 concentrics, described intellectual monitoring device 2 axially inserts rotation outer ring 3 and the gap location between the motionless inner ring 4 and the bearing interference fit of described bearing 1, wherein said rotating speed code-disc 7 and rotation outer ring 3 inwall interference fit, the butt joint end face of described motionless inner ring 4 outer walls is provided with a ring-shaped step, the butt joint end face of described housing 6 inwalls is provided with the groove that cooperates with described ring-shaped step, and the groove interference fit of the ring-shaped step of described motionless inner ring 4 and housing 6 is installed together;
Shown in Fig. 3 to 6, be embedded with two strain chip acceleration sensing devices 8 on the described housing 6, a revolution speed sensing device 9 and a temperature sensing device 10, the center line of described two strain chip acceleration sensing devices 8 all is parallel to the center line of described housing 6, both angles are 90 °, described revolution speed sensing device 9 radially is embedded on the described housing 6, the center line of described temperature sensing device 10 is parallel to the center line of described housing 6, circuit board 11 also is installed, described two strain chip acceleration sensing devices 8 on the end face of described housing 6, revolution speed sensing device 9 and a temperature sensing device 10 all connection terminal of the circuit board 11 on output line and described housing 6 end faces are connected;
Also be provided with signals collecting trigger circuit 12 on the described circuit board 11, acceleration signal amplifying circuit 13, tach signal amplifying circuit 14 and temperature signal amplifying circuit 15, the input end of described acceleration signal amplifying circuit 13 is connected with the output terminal of described acceleration sensing device 8, the input end of described tach signal amplifying circuit 14 is connected with the output terminal of described revolution speed sensing device 9, the input end of described temperature signal amplifying circuit 15 is connected with the output terminal of described temperature sensing device 10, described acceleration signal amplifying circuit 13, tach signal amplifying circuit 14 and temperature signal amplifying circuit 15 all are provided with signal output part, each signal output part respectively with the acceleration signal input end of described signals collecting trigger circuit 12, the tach signal input end is connected with the temperature signal input end, the signal that the output terminal output of described signals collecting trigger circuit 12 collects is given computing machine 16 and is handled.
As shown in Figs. 7-9, each described strain chip acceleration sensing device 8 is by four foil gauges 17, elastic body 18 and mass 19 are formed, the bottom of described elastic body 18 is an isosceles trapezoid template structure 20, top is cylindrical structure, described isosceles trapezoid template structure 20 has first through hole 21 and second through hole 21 ' along the upper and lower of center line, two foil gauges 17 in described four foil gauges 17 are arranged in the upper and lower of axial plane in the cylindrical structure of described elastic body 18, described other two foil gauges 17 are arranged in the left and right sides of axial plane in the cylindrical structure of vertical described elastic body 18, described four foil gauges 17 are identical with the distance of described isosceles trapezoid template structure 20, described two foil gauges 17 are respectively drawn a lead, two leads all pass first through hole, 21 backs and are connected with the first signal for faster terminals of described circuit board 11, other two foil gauges 17 are also all respectively drawn a lead, these two leads pass second through hole, 21 ' back respectively and are connected with the second signal for faster terminals of described circuit board 11, described mass 19 is a cylindrical structural, and the end face of this mass 19 and the upper end of described elastic body 18 are consolidated with fixing glue;
Be provided with counterbore 22 in the described housing 6, the top of this counterbore 22 is consistent with the shape of described isosceles trapezoid template structure 20, thickness is identical, coats fixing glue on the upper inside wall of counterbore 22, and the elastic body 18 that the upper end is fixed with mass 19 is packed in the described counterbore 22.
Shown in Figure 10 and 11, described revolution speed sensing device 9 is by magnetic pole 23, solenoid 24, speed probe shell 25, permanent magnet 26 and " L " type lead-in wire 27 are formed, the bottom of described speed probe shell 25 is a hexagonal swivel nut 28, these speed probe shell 25 bottoms are helicitic texture for one section, described magnetic pole 23 is a cylindrical structural, this magnetic pole 23 runs through the bottom of described speed probe shell 25, described speed probe shell 25 is stretched out in the lower end of described magnetic pole 23, the upper end of this magnetic pole 23 is positioned at speed probe shell 25, described magnetic pole 23 tops are connected with the lower end of described permanent magnet 26, the upper end of described permanent magnet 26 is connected with an end of " L " type lead-in wire 27, described solenoid 24 is installed on the inwall of described speed probe shell 25, and described magnetic pole 23 passes the center pit of described solenoid 24;
The revolution speed sensing device that described housing 6 inwalls have is radially installed counterbore, the top that this revolution speed sensing device is installed counterbore is female thread structure, described speed probe shell 25 is installed in the revolution speed sensing device installation counterbore of described housing 6 by the hexagonal swivel nut 28 of bottom, and described " L " type lead-in wire 27 passes " L " type through hole of described housing 6 bottoms.
As shown in figure 12, described temperature sensing device 10 is made up of metal sleeve 29, the electric heating utmost point 30, insulating material 31, installation nut 32 and temperature signal lead-in wire 33, the described metal sleeve 29 and the electric heating utmost point 30 all are installed in the bottom of described installation nut 32, described insulating material 31 is filled between the described metal sleeve 29 and the electric heating utmost point 30, the outer wall of described installation nut 32 is provided with external thread, and this is installed nut 32 upper ends and is connected with an end of described temperature signal lead-in wire 33;
Described housing 6 edges are provided with perpendicular to this housing 6 through hole 34 radially, these through hole 34 bottoms, the middle part is three sections ladder circular holes that diameter is different with top, the middle part inwall of described through hole 34 is a female thread structure, described through hole 34 lower diameter are greater than the middle part diameter, the middle part diameter is greater than upper diameter, the middle part of described through hole 34 is threaded with described installation nut 32, described temperature sensing device 10 is installed in the described through hole 34 by nut 32 is installed, described metal sleeve 29, the electric heating utmost point 30, insulating material 31 all is positioned at through hole 34 bottoms, and the temperature signal lead-in wire 33 that the upper end of described installation nut 32 connects passes the upper hole of described through hole 34.
Claims (4)
1. combined intelligent monitoring bearing, comprise bearing (1) and be installed in intellectual monitoring device (2) on the bearing, described bearing (1) comprises rotation outer ring (3) and motionless inner ring (4), between described rotation outer ring (3) and motionless inner ring (4), be provided with ball (5) or roller (5 '), it is characterized in that: described intellectual monitoring device (2) comprises housing (6) and rotating speed code-disc (7), described rotating speed code-disc (7) for be enclosed within outside the housing (6) and with the circular code-disc of housing (6) concentric, described intellectual monitoring device (2) axially inserts the rotation outer ring (3) of described bearing (1) and gap location and the bearing interference fit between the motionless inner ring (4), wherein said rotating speed code-disc (7) and rotation outer ring (3) inwall interference fit, the butt joint end face of described motionless inner ring (4) outer wall is provided with a ring-shaped step, the butt joint end face of described housing (6) inwall is provided with the groove that cooperates with described ring-shaped step, and the groove interference fit of the ring-shaped step of described motionless inner ring (4) and housing (6) is installed together;
Be embedded with two strain chip acceleration sensing devices (8) on the described housing (6), a revolution speed sensing device (9) and a temperature sensing device (10), the center line of described two strain chip acceleration sensing devices (8) all is parallel to the center line of described housing (6), both angles are 90 °, described revolution speed sensing device (9) radially is embedded on the described housing (6), the center line of described temperature sensing device (10) is parallel to the center line of described housing (6), circuit board (11) also is installed, described two strain chip acceleration sensing devices (8) on the end face of described housing (6), a revolution speed sensing device (9) and a temperature sensing device (10) all connection terminal of the circuit board (11) on output line and described housing (6) end face are connected;
Also be provided with signals collecting trigger circuit (12) on the described circuit board (11), acceleration signal amplifying circuit (13), tach signal amplifying circuit (14) and temperature signal amplifying circuit (15), the input end of described acceleration signal amplifying circuit (13) is connected with the output terminal of described acceleration sensing device (8), the input end of described tach signal amplifying circuit (14) is connected with the output terminal of described revolution speed sensing device (9), the input end of described temperature signal amplifying circuit (15) is connected with the output terminal of described temperature sensing device (10), described acceleration signal amplifying circuit (13), tach signal amplifying circuit (14) and temperature signal amplifying circuit (15) all are provided with signal output part, each signal output part respectively with the acceleration signal input end of described signals collecting trigger circuit (12), the tach signal input end is connected with the temperature signal input end, the signal that the output terminal output of described signals collecting trigger circuit (12) collects is given computing machine (16) and is handled.
2. according to the described combined intelligent monitoring bearing of claim 1, it is characterized in that: each described strain chip acceleration sensing device (8) is by four foil gauges (17), elastic body (18) and mass (19) are formed, the bottom of described elastic body (18) is an isosceles trapezoid template structure (20), top is cylindrical structure, described isosceles trapezoid template structure (20) has first through hole (21) and second through hole (21 ') along the upper and lower of center line, two foil gauges (17) in described four foil gauges (17) are arranged in the upper and lower of axial plane in the cylindrical structure of described elastic body (18), described other two foil gauges (17) are arranged in the left and right sides of axial plane in the cylindrical structure of vertical described elastic body (18), described four foil gauges (17) are identical with the distance of described isosceles trapezoid template structure (20), described two foil gauges (17) are respectively drawn a lead, two leads all pass first through hole (21) back and are connected with the first signal for faster terminals of described circuit board (11), other two foil gauges (17) are also all respectively drawn a lead, these two leads pass second through hole (21 ') back respectively and are connected with the second signal for faster terminals of described circuit board (11), described mass (19) is a cylindrical structural, and the end face of this mass (19) and the upper end of described elastic body (18) are consolidated with fixing glue;
Be provided with counterbore (22) in the described housing (6), the top of this counterbore (22) is consistent with the shape of described isosceles trapezoid template structure (20), thickness is identical, coat fixing glue on the upper inside wall of counterbore (22), the elastic body (18) that the upper end is fixed with mass (19) is packed in the described counterbore (22).
3. according to claim 1 or 2 described combined intelligent monitoring bearings, it is characterized in that: described revolution speed sensing device (9) is by magnetic pole (23), solenoid (24), speed probe shell (25), permanent magnet (26) and " L " type lead-in wire (27) are formed, the bottom of described speed probe shell (25) is hexagonal swivel nut (28), this speed probe shell (25) bottom is a helicitic texture for one section, described magnetic pole (23) is a cylindrical structural, this magnetic pole (23) runs through the bottom of described speed probe shell (25), described speed probe shell (25) is stretched out in the lower end of described magnetic pole (23), the upper end of this magnetic pole (23) is positioned at speed probe shell (25), described magnetic pole (23) top is connected with the lower end of described permanent magnet (26), the upper end of described permanent magnet (26) is connected with an end of " L " type lead-in wire (27), described solenoid (24) is installed on the inwall of described speed probe shell (25), and described magnetic pole (23) passes the center pit of described solenoid (24);
The revolution speed sensing device that described housing (6) inwall has is radially installed counterbore, the top that this revolution speed sensing device is installed counterbore is female thread structure, described speed probe shell (25) is installed in the revolution speed sensing device installation counterbore of described housing (6) by the hexagonal swivel nut (28) of bottom, and described " L " type lead-in wire (27) passes " L " type through hole of described housing (6) bottom.
4. according to claim 1 or 2 described combined intelligent monitoring bearings, it is characterized in that: described temperature sensing device (10) is by metal sleeve (29), the electric heating utmost point (30), insulating material (31), nut (32) and temperature signal lead-in wire (33) is installed to be formed, the described metal sleeve (29) and the electric heating utmost point (30) all are installed in the bottom of described installation nut (32), described insulating material (31) is filled between the described metal sleeve (29) and the electric heating utmost point (30), the outer wall of described installation nut (32) is provided with external thread, and this is installed nut (32) upper end and is connected with an end of described temperature signal lead-in wire (33);
Described housing (6) edge is provided with perpendicular to this housing (6) through hole (34) radially, this through hole (34) bottom, the middle part is three sections ladder circular holes that diameter is different with top, the middle part inwall of described through hole (34) is a female thread structure, described through hole (34) lower diameter is greater than the middle part diameter, the middle part diameter is greater than upper diameter, the middle part of described through hole (34) is threaded with described installation nut (32), described temperature sensing device (10) is installed in the described through hole (34) by nut (32) is installed, described metal sleeve (29), the electric heating utmost point (30), insulating material (31) all is positioned at through hole (34) bottom, and the temperature signal lead-in wire (33) that the upper end of described installation nut (32) connects passes the upper hole of described through hole (34).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101319001A CN101819091B (en) | 2010-03-25 | 2010-03-25 | Combined intelligent monitoring bearing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101319001A CN101819091B (en) | 2010-03-25 | 2010-03-25 | Combined intelligent monitoring bearing |
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| CN101819091A CN101819091A (en) | 2010-09-01 |
| CN101819091B true CN101819091B (en) | 2011-08-17 |
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| CN101986116B (en) * | 2010-10-23 | 2015-10-21 | 洛阳轴研科技股份有限公司 | Inner ring measuring method of temperature during bearing inner race High Rotation Speed |
| CN103630361B (en) * | 2013-12-19 | 2016-06-08 | 重庆大学 | Intelligent bearing monitoring system and method thereof based on transition speed |
| CN106198022B (en) * | 2016-08-11 | 2018-10-30 | 大连三环复合材料技术开发股份有限公司 | Self-lubricating knuckle bearing monitoring running state device and on-line monitoring system |
| CN108168889B (en) * | 2018-02-07 | 2020-02-18 | 哈尔滨工业大学 | Temperature field measuring device and method for rolling bearing test |
| CN108896781A (en) * | 2018-08-31 | 2018-11-27 | 西安法士特汽车传动有限公司 | A kind of portable commercial vehicle odd-side jackshaft revolving speed rapid survey mechanism and method |
| CN109342058B (en) * | 2018-10-19 | 2020-07-07 | 东莞理工学院 | Bearing running friction real-time monitoring device for machine manufacturing system |
| WO2020133265A1 (en) * | 2018-12-28 | 2020-07-02 | 舍弗勒技术股份两合公司 | Parameter acquiring and tracking system for spatial motion of bearing movable component, parameter acquiring and tracking method for spatial motion of bearing movable component, and bearing |
| EP4092281A4 (en) * | 2020-01-13 | 2023-10-11 | Schaeffler Technologies AG & Co. KG | Sensing device and bearing component |
| CN113063594B (en) * | 2021-03-23 | 2022-04-19 | 重庆大学 | Acoustic intelligent bearing and monitoring and diagnosing method thereof |
| CN114184390B (en) * | 2022-02-16 | 2022-05-06 | 成都中科翼能科技有限公司 | Gas turbine rotor axial force test sensor and parameter design method |
| CN114486076B (en) * | 2022-04-14 | 2022-06-17 | 西华大学 | Special test mechanism for dynamic balance of engine crankshaft of hydrogen energy hybrid commercial vehicle |
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| US7270016B2 (en) * | 2004-12-24 | 2007-09-18 | Jtekt Corporation | Sensor-equipped rolling bearing unit |
| JP4617168B2 (en) * | 2005-02-04 | 2011-01-19 | 公立大学法人高知工科大学 | Bearing damage evaluation apparatus and bearing damage evaluation method |
-
2010
- 2010-03-25 CN CN2010101319001A patent/CN101819091B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201193981Y (en) * | 2008-04-28 | 2009-02-11 | 洛阳铭昊测控科技有限公司 | Intelligent on-line detection apparatus for railway bearing |
| CN101339094A (en) * | 2008-09-01 | 2009-01-07 | 洛阳工铭机电设备有限公司 | Helicopter automatic tilting device large-sized thin-wall bearing intelligent checking analytical method and device |
| CN201637572U (en) * | 2010-03-25 | 2010-11-17 | 重庆大学 | Bearing with monitoring function |
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| CN101819091A (en) | 2010-09-01 |
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