CN204064450U - Motor and the coaxial vibration monitoring mechanism of steam turbine - Google Patents
Motor and the coaxial vibration monitoring mechanism of steam turbine Download PDFInfo
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- CN204064450U CN204064450U CN201420496474.5U CN201420496474U CN204064450U CN 204064450 U CN204064450 U CN 204064450U CN 201420496474 U CN201420496474 U CN 201420496474U CN 204064450 U CN204064450 U CN 204064450U
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- vibration
- bearing
- vibrotrunk
- steam turbine
- motor
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Abstract
The utility model discloses a kind of motor and the coaxial vibration monitoring mechanism of steam turbine, comprise blower fan and bearing seat, described blower fan comprises shell and is arranged at the rotating shaft in described shell and is arranged at described rotating shaft and is positioned at the flabellum of described shell; Described bearing seat is two and is arranged at described shell both sides respectively, and the two ends of described rotating shaft are arranged in two described bearing seats respectively; Described bearing seat is provided with bearing installation cavity, bearing is provided with in described bearing installation cavity, described bearing installation cavity top and bottom are respectively arranged with vibrotrunk, lower vibrotrunk, upper vibration slide block and lower vibration slide block, be provided with elastic body between described lower vibration slide block and described lower vibrotrunk, between described upper vibration slide block and described lower vibrotrunk, be provided with shaft vibration inductive head.The utility model can be monitored with the amplitude of shaft vibration motor and steam turbine, avoids the too violent shaft vibration of either side to continue to cause the damage of motor or steam turbine.
Description
Technical field
The utility model relates to a kind of motor and the coaxial vibration monitoring mechanism of steam turbine, belongs to Chemical Manufacture powering device technical field.
Background technology
Phthalic anhydride is a kind of important source material in chemical industry, and it is mainly used in the manufacture of plastifier.The industrial making method of phthalic anhydride is mainly by air oxidation o-xylene and obtains, temperature of reaction is generally 400 ~ 500 DEG C in the process, general using vanadium pentoxide as catalyzer, this course of reaction is themopositive reaction, therefore need to take a series of cooling provision to ensure the temperature homeostasis of reaction system, and the system temperature fluctuation in order to cause when reducing air and o-xylene input, be fed into again in reactor after usually needing that air and o-xylene are preheated to uniform temperature.Therefore, need a large amount of cooling draughts in above-mentioned whole production run, and a large amount of used heat can be produced, be necessary to provide a kind of suitable technical scheme to be recycled by the used heat produced in above-mentioned chemical process., the used heat produced can be recycled in chemical process for this reason, utilize steam turbine to make heat energy produce kinetic energy, jointly carry kinetic energy to blower fan with motor, thus provide cooling draught for reaction system, and realize saving energy and reduce the cost, the effect of environmental emission reduction.But, to be connected with motor coaxle at steam turbine and to provide in the process of kinetic energy to blower fan, needing to control motor and steam turbine with the amplitude of shaft vibration, avoid the too violent shaft vibration of either side to cause the damage of motor or steam turbine.
Utility model content
The utility model is just for the deficiency that prior art exists; a kind of motor and the coaxial vibration monitoring mechanism of steam turbine are provided; can monitor with the amplitude of shaft vibration motor and steam turbine; thus be convenient to the prompting maintenance down when motor and steam turbine are excessive with the amplitude of shaft vibration, avoid the too violent shaft vibration of either side to continue to cause the damage of motor or steam turbine.
For solving the problem, technical solution adopted in the utility model is as follows:
A kind of motor and the coaxial vibration monitoring mechanism of steam turbine, comprising: blower fan and bearing seat, and described blower fan comprises shell and is arranged at the rotating shaft in described shell and is arranged at described rotating shaft and is positioned at the flabellum of described shell; Described bearing seat is two and is arranged at described shell both sides respectively, and the two ends of described rotating shaft are arranged in two described bearing seats respectively;
Described bearing seat is provided with bearing installation cavity, bearing is provided with in described bearing installation cavity, described bearing installation cavity top and bottom are respectively arranged with vibrotrunk and lower vibrotrunk, vibration slide block and lower vibration slide block is respectively arranged with in described upper vibrotrunk and described lower vibrotrunk, elastic body is provided with between described lower vibration slide block and described lower vibrotrunk, described bearing installation cavity is filled with bearing cold oil and described bearing installation cavity is provided with bearing cold oil transfer pipeline, shaft vibration inductive head is provided with between described upper vibration slide block and described lower vibrotrunk, described shaft vibration inductive head is displacement sensor or hydraulic pressure inductor.
Preferably, described shaft vibration inductive head is hydraulic pressure inductor.
As the improvement of technique scheme, described bearing is double-row bearing and comprises inner ring, outer ring and roller, and described outer ring and/or inner ring are made up of two annular side portions and an annular pars intermedia, and two described sidepieces and described pars intermedia both sides form two row raceway grooves.Described structure can suppress deflecting action during shaft vibration effectively, avoids deflecting the further wearing and tearing causing axle during shaft vibration.
As the improvement of technique scheme, described blower fan comprises exhaust part and gas transmission portion, and described exhaust part is provided with axial-flow type flabellum, and described gas transmission portion is provided with radial-flow type flabellum, and described exhaust part upper end is provided with blast pipe, and upper end, described gas transmission portion is provided with discharge pipe.Described structure is convenient to arrange blast pipe, and the usual blast pipe of single radial-flow type flabellum needs axially to arrange, be then unfavorable for fan shaft to both sides steam turbine and motor are set respectively.
As the improvement of technique scheme, the shell of described blower fan is provided with the axis hole passed for described rotating shaft, and described axis hole place is provided with sealing pad, and described sealing pad has the cross section structure of U-shaped.Described structure can improve the sealing of equipment, avoids foreign material to enter blower fan, causes Axle Parts and flabellum wearing and tearing.
Compared with prior art, implementation result of the present utility model is as follows for the utility model:
Motor described in the utility model and the coaxial vibration monitoring mechanism of steam turbine, shaft vibration inductive head is arranged in the bearing seat at the two ends of rotating shaft, have easy for installation, can avoid causing shock to damage to shaft vibration inductive head during shaft vibration, and can monitor with the amplitude of shaft vibration motor and steam turbine, thus be convenient to the prompting maintenance down when motor and steam turbine are excessive with the amplitude of shaft vibration, avoid the too violent shaft vibration of either side to continue to cause the damage of motor or steam turbine; And the impact that preferred hydraulic pressure inductor causes displacement sensor sensitivity as the bearing cold oil that shaft vibration inductive head can overcome filling effectively.
Accompanying drawing explanation
Fig. 1 is motor described in the utility model and steam turbine coaxial vibration monitoring mechanism structure schematic diagram;
Fig. 2 is bearing seat structure for amplifying schematic diagram described in the utility model;
Fig. 3 is the structural representation that in Fig. 2, A place amplifies further.
Embodiment
Below in conjunction with specific embodiments content of the present utility model is described.
As shown in Figure 1 to Figure 3, be motor described in the utility model and steam turbine coaxial vibration monitoring mechanism structure schematic diagram.Motor described in the utility model and the coaxial vibration monitoring mechanism of steam turbine, comprising: blower fan 1 and bearing seat 2, and described blower fan 1 comprises shell 11 and is arranged at the rotating shaft 12 in described shell 11 and is arranged at described rotating shaft 12 and is positioned at the flabellum of described shell 11, described bearing seat 2 is two and is arranged at described shell 11 both sides respectively, and the two ends of described rotating shaft 12 are arranged in two described bearing seats 2 respectively, described bearing seat 2 is provided with bearing installation cavity 21, bearing 22 is provided with in described bearing installation cavity 21, described bearing installation cavity 21 top and bottom are respectively arranged with vibrotrunk 23 and lower vibrotrunk 24, vibration slide block 25 and lower vibration slide block 26 is respectively arranged with in described upper vibrotrunk 23 and described lower vibrotrunk 24, elastic body 27 is provided with between described lower vibration slide block 26 and described lower vibrotrunk 24, described bearing installation cavity 21 is filled with bearing cold oil and described bearing installation cavity 21 is provided with bearing cold oil transfer pipeline 28, shaft vibration inductive head 29 is provided with between described upper vibration slide block 25 and described lower vibrotrunk 24, described shaft vibration inductive head is displacement sensor or hydraulic pressure inductor.Preferably, described shaft vibration inductive head 29 is hydraulic pressure inductor.
When rotating shaft 12 is vibrated in bearing seat 2, rotating shaft 12 can be with dynamic bearing 22 to vibrate, bearing 22 vibrates under the supporting role of upper vibration slide block 25 and lower vibration slide block 26, and lower vibration slide block 26 is vibration under elastic body 27 supports, and avoids bearing seat 2 to occur significantly to vibrate; Also bearing cold oil is filled with between upper vibration slide block 25 and upper vibrotrunk 23, therefore the monitoring sensitivity for displacement sensor can impact, the hydraulic pressure change that hydraulic pressure inductor then can sense the bearing cold oil in the upper vibrotrunk 23 that vibration slide block 25 causes when vibrating well is set, thus the amplitude of instruction shaft vibration.
Particularly, described bearing 22 is double-row bearing and comprises inner ring 221, outer ring 222 and roller 223, described outer ring 222 and/or inner ring 221 are made up of two annular side portions 2221 and an annular pars intermedia 2222, and two described sidepieces 2221 form two row raceway grooves 224 with described pars intermedia 2222 both sides.Further optimally, described blower fan 1 comprises exhaust part 13 and gas transmission portion 14, and described exhaust part 13 is provided with axial-flow type flabellum 15, and described gas transmission portion 14 is provided with radial-flow type flabellum 16, described exhaust part 13 upper end is provided with blast pipe 17, and upper end, described gas transmission portion 14 is provided with discharge pipe 18.Further optimally, the shell 11 of described blower fan 1 is provided with the axis hole 111 passed for described rotating shaft 12, and described axis hole 111 place is provided with sealing pad 112, and described sealing pad 112 has the cross section structure of U-shaped.
Above content is in conjunction with specific embodiments to the detailed description that the utility model is done, and can not assert that the utility model is specifically implemented to be only limitted to these explanations.For the utility model person of ordinary skill in the field, without departing from the concept of the premise utility, some simple deduction or replace can also be made, all should be considered as the scope belonging to the utility model protection.
Claims (5)
1. a motor and the coaxial vibration monitoring mechanism of steam turbine, it is characterized in that, comprise: blower fan (1) and bearing seat (2), described blower fan (1) comprises shell (11) and the rotating shaft (12) that is arranged in described shell (11) and be arranged at described rotating shaft (12) and be positioned at the flabellum of described shell (11); Described bearing seat (2) is two and is arranged at described shell (11) both sides respectively, and the two ends of described rotating shaft (12) are arranged in two described bearing seats (2) respectively;
Described bearing seat (2) is provided with bearing installation cavity (21), bearing (22) is provided with in described bearing installation cavity (21), described bearing installation cavity (21) top and bottom are respectively arranged with vibrotrunk (23) and lower vibrotrunk (24), vibration slide block (25) and lower vibration slide block (26) is respectively arranged with in described upper vibrotrunk (23) and described lower vibrotrunk (24), elastic body (27) is provided with between described lower vibration slide block (26) and described lower vibrotrunk (24), described bearing installation cavity (21) is filled with bearing cold oil and described bearing installation cavity (21) is provided with bearing cold oil transfer pipeline (28), shaft vibration inductive head (29) is provided with between described upper vibration slide block (25) and described lower vibrotrunk (24), described shaft vibration inductive head is displacement sensor or hydraulic pressure inductor.
2. motor as claimed in claim 1 and the coaxial vibration monitoring mechanism of steam turbine, it is characterized in that, described shaft vibration inductive head (29) is hydraulic pressure inductor.
3. motor as claimed in claim 1 and the coaxial vibration monitoring mechanism of steam turbine, it is characterized in that, described bearing (22) is for double-row bearing and comprise inner ring (221), outer ring (222) and roller (223), described outer ring (222) and/or inner ring (221) are made up of two annular side portions (2221) and an annular pars intermedia (2222), and two described sidepieces (2221) form two row raceway grooves (224) with described pars intermedia (2222) both sides.
4. the motor as described in as arbitrary in claim 1-3 and the coaxial vibration monitoring mechanism of steam turbine, it is characterized in that, described blower fan (1) comprises exhaust part (13) and gas transmission portion (14), described exhaust part (13) is provided with axial-flow type flabellum (15), described gas transmission portion (14) is provided with radial-flow type flabellum (16), described exhaust part (13) upper end is provided with blast pipe (17), and described gas transmission portion (14) upper end is provided with discharge pipe (18).
5. the motor as described in as arbitrary in claim 1-3 and the coaxial vibration monitoring mechanism of steam turbine, it is characterized in that, the shell (11) of described blower fan (1) is provided with the axis hole (111) passed for described rotating shaft (12), described axis hole (111) place is provided with sealing pad (112), and described sealing pad (112) has the cross section structure of U-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420496474.5U CN204064450U (en) | 2014-09-01 | 2014-09-01 | Motor and the coaxial vibration monitoring mechanism of steam turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420496474.5U CN204064450U (en) | 2014-09-01 | 2014-09-01 | Motor and the coaxial vibration monitoring mechanism of steam turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204064450U true CN204064450U (en) | 2014-12-31 |
Family
ID=52205938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420496474.5U Expired - Fee Related CN204064450U (en) | 2014-09-01 | 2014-09-01 | Motor and the coaxial vibration monitoring mechanism of steam turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204064450U (en) |
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2014
- 2014-09-01 CN CN201420496474.5U patent/CN204064450U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 Termination date: 20150901 |
|
| EXPY | Termination of patent right or utility model |