CN209264286U - Petrochemical industry unit bearing failure diagnosis and residual service life prediction device - Google Patents
Petrochemical industry unit bearing failure diagnosis and residual service life prediction device Download PDFInfo
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- CN209264286U CN209264286U CN201821860548.3U CN201821860548U CN209264286U CN 209264286 U CN209264286 U CN 209264286U CN 201821860548 U CN201821860548 U CN 201821860548U CN 209264286 U CN209264286 U CN 209264286U
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Abstract
The utility model discloses petrochemical industry unit bearing failure diagnosis and residual service life prediction device, including main motor, first yielding coupling, gearbox, second yielding coupling, transmission mechanism, Bearning mechanism, radial loaded mechanism, axially loaded mechanism, recycle fuel tank, temperature sensor, acceleration transducer, early warning and monitoring device, main motor is connected by the first yielding coupling with gearbox, gearbox is connected by the second yielding coupling with transmission mechanism, transmission mechanism is connected with Bearning mechanism, Bearning mechanism is connected with circulation fuel tank, temperature sensor, acceleration transducer is connected with early warning and monitoring device, radial loaded mechanism couples the side for being set to Bearning mechanism with axially loaded mechanism respectively, oil pump motor is provided on circulation fuel tank.The utility model realizes the design function of the abnormal inordinate wear for shaking and excluding bearing during the load test of rolling bearing test structure.
Description
Technical field
The utility model relates to petrochemical industry unit bearing failure diagnosis and residual service life prediction devices, belong to equipment life prediction
Technical field.
Background technique
In petrochemical industry, the structure of rotating machinery becomes to become increasingly complex with composition.Currently, petrochemical industry unit
Enlargement, high speed, automation are increasingly tended to, in rotary machinery fault diagnosis, signal processing, pattern-recognition, artificial intelligence
The methods of energy substantially increases the stability and safety of industrial system.But the environment as locating for petrochemical industry unit is more multiple
Miscellaneous, there are many factor for influencing scene, have the characteristics that biggish uncertainty.In rotating machinery, the application of rolling bearing is the most
Extensively, and easily one of the part to break down.The generation of rolling bearing fault can not only reduce the stability of unit, seriously
Failure also bring along it is unexpected shut down and the events such as personal injury, seriously affect industrial production operation.Therefore, carry out petrochemical industry machine
The fault diagnosis of group rolling bearing and the prediction of remaining life, and reasonable maintenance program is specified in advance, have very important
Reality and theory significance.
Existing Rolling Bearing Testing Machine structure focuses on the being completely embedded property of rolling bearing test structure, lacks to the axis of rolling
It holds the protection of the abnormal vibration and inordinate wear during the load test of test structure and excludes design function.
Utility model content
Technical problem to be solved in the utility model is to overcome the deficiencies of existing technologies, and provides petrochemical industry unit bearing fault
Diagnosis and residual service life prediction device.
In order to solve the above technical problems, the utility model provides petrochemical industry unit bearing failure diagnosis and predicting residual useful life fills
It sets, which is characterized in that including main motor, the first yielding coupling, gearbox, the second yielding coupling, transmission mechanism, bearing
Mechanism, radial loaded mechanism, axially loaded mechanism, circulation fuel tank, temperature sensor, acceleration transducer, early warning and monitoring device,
Main motor is connected by the first yielding coupling with gearbox, and gearbox passes through the second yielding coupling and transmission mechanism phase
Even, transmission mechanism is connected with Bearning mechanism, and Bearning mechanism is connected with circulation fuel tank, and temperature sensor, acceleration transducer are equal
It is connected with early warning and monitoring device, radial loaded mechanism couples the side for being set to Bearning mechanism with axially loaded mechanism respectively,
Oil pump motor is provided on circulation fuel tank.
As a kind of preferred embodiment, Bearning mechanism is internally provided with test mandrel, fourth officer test bearing, upper and lower right
Claim the inordinate wear protection mechanism of distribution, test bearing cooperation nesting is set on test mandrel, between two secondary test bearings
Isolation inner bushing ring is provided in gap, isolation inner bushing ring cooperation is set on test mandrel, the inside of inordinate wear protection mechanism
It is fixedly installed the mechanical arm executing agency of symmetrical distribution, the inner end of mechanical arm executing agency is equipped in isolation
On the outer surface of grommet, the outer end of inordinate wear protection mechanism is provided with for fastening and the hinged seat of up and down adjustment, test core
The left and right end portions of axis are arranged with the locking nut matched, and the gap location between adjacent two secondary test bearings is provided with gear and tears pad open
Piece.
As a kind of preferred embodiment, mechanical arm executing agency includes the liner guarantor of longitudinal bar member, bilateral symmetry distribution
Protecting block, liner protection block are fixedly installed on the inner end of longitudinal bar member, and the medial surface of liner protection block is provided with semicircular rotation
Turn cooperation sliding slot, mechanical arm executing agency is cooperated with the outer surface rotational slide that inner bushing ring is isolated by rotatable engagement sliding slot and connected
It connects.
As a kind of preferred embodiment, the outer concave slide groove being recessed outward is provided on the inside of inordinate wear protection mechanism.
As a kind of preferred embodiment, fault diagnosis and residual service life prediction device further include pedestal, main motor, speed change
Case, Bearning mechanism are each attached on pedestal.
As a kind of preferred embodiment, the bottom of fault diagnosis and residual service life prediction device is provided with big pedestal, small
Pedestal, connection pedestal, circulation fuel tank are fixed on big pedestal by small footprint, and early warning and monitoring device is solid by connection pedestal
It is scheduled on big pedestal.
As a kind of preferred embodiment, the side of radial loaded mechanism is additionally provided with radial pressure transmitter, radial storage
Energy device, radial control valve, pressure gauge with bottom connection, radial loaded mechanism and radial pressure transmitter, radial accumulator, radial control valve
It is connected, pressure gauge with bottom connection is set between radial pressure transmitter and radial accumulator；The side of lateral loading mechanism is also set
It is equipped with lateral accumulator, axial compressive force transmitter, pressure gauge with back connection, axial control valve, lateral loading mechanism and axial compressive force become
Send device, lateral accumulator, axial control valve to be connected, pressure gauge with back connection be set to axial compressive force transmitter and lateral accumulator it
Between.
As a kind of preferred embodiment, frequency converter, frequency conversion are additionally provided on fault diagnosis and residual service life prediction device
Device is connected with main motor；Circulation fuel tank is additionally provided with check valve, pressure gauge, range meter, and oil pump motor passes through recycle oil
Case, check valve, oil inlet pipe are connected with Bearning mechanism, and oil pump motor is connected by circulation fuel tank, flowline with Bearning mechanism
It is logical.
As a kind of preferred embodiment, rolling bearing pumping is additionally provided in fault diagnosis and residual service life prediction device
Drawer, test axis drawer, tool box, radiator；Be additionally provided in fault diagnosis and residual service life prediction device master switch, master it is electronic
Machine start key, main motor stop key, oil pump motor start key, oil pump motor stop key, reset key, rapid stop key, are always opened
Pass is connected with motor start-up key, oil pump motor start key respectively, main motor start key, main motor stop key difference
It is connected with main motor, oil pump motor start key, oil pump motor stop key are connected with oil pump motor respectively, reset
Key is connected with master switch, and rapid stop key is connected with main motor, oil pump motor respectively.
As a kind of preferred embodiment, early warning and monitoring device includes the preposition processing module of signal, data collector, data
Server, PLC controller, memory, display, intelligence printer, acceleration transducer, temperature sensor are respectively and before signal
Processing module is set to be connected, the preposition processing module of signal respectively successively with data collector, data server, PLC controller, deposit
Reservoir, display, intelligence printer are connected.
The utility model is achieved the utility model has the advantages that first, and utility model device structure is simple, tears open to rolling bearing
It unloads very convenient with installation；Second, utility model device is close with petrochemical industry scene unit, and the event of rolling bearing is carried out to it
Barrier diagnosis is with life prediction as a result, having the advantages such as precision is high, stability is strong；Third, utility model device Costco Wholesale
It is low, off-line monitoring or on-line monitoring can be carried out to it as needed, provide effective reference for teaching, scientific research etc.；4th,
The utility model focuses on the being completely embedded property of rolling bearing test structure, shortage pair for existing Rolling Bearing Testing Machine structure
The protection of abnormal vibration and inordinate wear during the load test of rolling bearing test structure and exclusion design function, lead to
It crosses and increases inordinate wear protection mechanism and mechanical arm executing agency inside Bearning mechanism, held by isolation inner bushing ring with mechanical arm
The rotatable engagement of row mechanism couples, and realizes that the exception during the load test of rolling bearing test structure shakes and exclude axis
The design function for the inordinate wear held；5th, the utility model realizes bearing event by providing complete controlling test circuit
The precision test process control of barrier diagnosis and predicting residual useful life.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model.
Fig. 2 is the structural schematic diagram of the preferred embodiment of the Bearning mechanism of the utility model.
Fig. 3 is the flow diagram of the implementation method of the utility model.
Fig. 4 is the structural schematic diagram of the preferred embodiment of the mechanical arm executing agency of the utility model.
Fig. 5 is the control circuit connection schematic diagram of the utility model.
Meaning marked in the figure: 1- main motor, the first yielding coupling of 2-, 3- gearbox, the elastic shaft coupling of 4- second
Device, 5- transmission mechanism, 6- Bearning mechanism, 7- temperature sensor, 8- acceleration transducer, 9- oil inlet pipe, 10- pedestal, 11- are radial
Pressure gauge, 12- radial pressure transmitter, 13- radial loaded mechanism, 14- radial direction accumulator, 15- radial direction control valve, 16- are lateral
Accumulator, 17- pressure gauge with back connection, 18- axial compressive force transmitter, the axially loaded mechanism of 19-, 20- axial direction control valve, 21- frequency conversion
Device, 22- recycle fuel tank, 23- check valve, 24- pressure gauge, 25- range meter, 26- oil pump motor, 27- flowline, 28- rolling
Bearing drawer, 29- test axis drawer, the tool box 30-, 31- radiator, 32- master switch, 33- main motor start key, 34- master
Motor stop key, 35- oil pump motor start key, 36- oil pump motor stop key, 37- reset key, 38- rapid stop key, 39-
Small footprint, the big pedestal of 40-, 41- connection pedestal, the preposition processing module of 42- signal, 43- data collector, 44- data server,
45-PLC controller, 46- memory, 47- display, 48- intelligence printer；61- test mandrel, 62- test bearing, 63- every
From inner bushing ring, 64- gear tears gasket, 65- locking nut, 66- inordinate wear protection mechanism, 67- mechanical arm executing agency, 68- hinge open
Joint chair, the outer concave slide groove of 69-, 671- longitudinal bar member, 672- liner protection block, 673- rotatable engagement sliding slot.
Specific embodiment
The utility model is further described with reference to the accompanying drawing.Following embodiment is only used for clearly illustrating this
The technical solution of utility model, and cannot be used as a limitation the limitation protection scope of the utility model.
The overall structure diagram of the utility model as shown in Fig. 1, the utility model provide the event of petrochemical industry unit bearing
Barrier diagnosis and residual service life prediction device, which is characterized in that including active motor 1, the first yielding coupling 2, gearbox 3, the
Two yielding couplings 4, transmission mechanism 5, Bearning mechanism 6, radial loaded mechanism 13, axially loaded mechanism 19, circulation fuel tank 22, temperature
Sensor 7, acceleration transducer 8, early warning and monitoring device are spent, main motor 1 passes through the first yielding coupling 2 and 3 phase of gearbox
Connection, gearbox 3 are connected by the second yielding coupling 4 with transmission mechanism 5, and transmission mechanism 5 is connected with Bearning mechanism 6, bearing
Mechanism 6 is connected with circulation fuel tank 22, and temperature sensor 7, acceleration transducer 8 are connected with early warning and monitoring device, radial
Loading mechanism 13 couples the side for being set to Bearning mechanism 6 with axially loaded mechanism 19 respectively, recycles and is provided with oil on fuel tank 22
Pump motor 26.
As shown in Fig. 2 the structural schematic diagram of the preferred embodiment of the bearing arrangement of the utility model, as one kind compared with
Good embodiment, Bearning mechanism 6 be internally provided with test mandrel 61, fourth officer test bearing 62, distribution symmetrical above and below exception
Wear protection mechanism 66, test bearing 62 cooperate nesting to be set on test mandrel 61, the gap between two secondary test bearings 62
It is inside provided with isolation inner bushing ring 63, the isolation cooperation of inner bushing ring 63 is set on test mandrel 61, inordinate wear protection mechanism 66
Inside is fixedly installed the mechanical arm executing agency 67 of symmetrical distribution, and the inner end of mechanical arm executing agency 67 is equipped with
In on the outer surface of isolation inner bushing ring 63, the outer end of inordinate wear protection mechanism 66 is provided with for fastening and the hinge of up and down adjustment
The left and right end portions of joint chair 68, test mandrel 61 are arranged with the locking nut 65 matched, between adjacent two secondary test bearings 62
Gap location is provided with gear and tears gasket 64 open.
As shown in Fig. 4 the structural schematic diagram of the preferred embodiment of the mechanical arm executing agency of the utility model, as
A kind of preferred embodiment, mechanical arm executing agency 67 include the liner protection block 672 of longitudinal bar member 671, bilateral symmetry distribution,
Liner protection block 672 is fixedly installed on the inner end of longitudinal bar member 671, and the medial surface of liner protection block 672 is provided with semicircle
Rotatable engagement sliding slot 673, mechanical arm executing agency 67 by rotatable engagement sliding slot 673 be isolated inner bushing ring 63 outer surface rotation
Turn sliding connection.
As a kind of preferred embodiment, the inside of inordinate wear protection mechanism 66 is provided with the outer concave slide groove being recessed outward
69。
As a kind of preferred embodiment, fault diagnosis and residual service life prediction device further include pedestal 10, main motor 1,
Gearbox 3, Bearning mechanism 6 are each attached on pedestal 10.
As a kind of preferred embodiment, the bottom of fault diagnosis and residual service life prediction device be provided with big pedestal 40,
Small footprint 39, connection pedestal 41, circulation fuel tank 22 are fixed on big pedestal 40 by small footprint 39, and early warning and monitoring device is logical
Connection pedestal 41 is crossed to be fixed on big pedestal 40.
As a kind of preferred embodiment, the side of radial loaded mechanism 13 is additionally provided with radial pressure transmitter 12, diameter
To accumulator 14, radial control valve 15, pressure gauge with bottom connection 11, radial loaded mechanism 13 and radial pressure transmitter 12, radial storage
Can device 14, radial control valve 15 be connected, pressure gauge with bottom connection 11 be set to radial pressure transmitter 12 and radial accumulator 14 it
Between；The side of lateral loading mechanism 19 is additionally provided with lateral accumulator 16, axial compressive force transmitter 18, pressure gauge with back connection 17, axis
To control valve 20, lateral loading mechanism 19 is connected with axial compressive force transmitter 18, lateral accumulator 16, axial control valve 20,
Pressure gauge with back connection 17 is set between axial compressive force transmitter 18 and lateral accumulator 16.
As a kind of preferred embodiment, it is additionally provided with frequency converter 21 on fault diagnosis and residual service life prediction device, is become
Frequency device 21 is connected with main motor 1；Circulation fuel tank 22 is additionally provided with check valve 23, pressure gauge 24, range meter 25, and oil pump is electronic
Machine 26 is connected by circulation fuel tank 22, check valve 23, oil inlet pipe 9 with Bearning mechanism 6, and oil pump motor 26 passes through circulation fuel tank
22, flowline 27 is connected with Bearning mechanism 6.
As a kind of preferred embodiment, rolling bearing drawer is additionally provided on fault diagnosis and residual service life prediction device
28, axis drawer 29, tool box 30, radiator 31 are tested；Master switch is additionally provided on fault diagnosis and residual service life prediction device
32, main motor start key 33, main motor stop key 34, oil pump motor start key 35, oil pump motor stop key 36, multiple
Position key 37, rapid stop key 38, master switch 32 are connected with motor start-up key 33, oil pump motor start key 35 respectively, and master is electronic
Machine start key 33, main motor stop key 34 are connected with main motor 1 respectively, and oil pump motor start key 35, oil pump are electronic
Machine stop key 36 is connected with oil pump motor 26 respectively, and reset key 37 is connected with master switch 32, rapid stop key 38 respectively with master
Motor 1, oil pump motor 26 are connected.
Fig. 3 is the flow diagram of the implementation method of the utility model, as a kind of preferred embodiment, early warning and monitoring dress
It sets including the preposition processing module 42 of signal, data collector 43, data server 44, PLC controller 45, memory 46, display
Device 47, intelligence printer 48, acceleration transducer 8, temperature sensor 7 are connected with the preposition processing module 42 of signal respectively, letter
Number preposition processing module 42 respectively successively with data collector 43, data server 44, PLC controller 45, memory 46, display
Device 47, intelligence printer 48 are connected.
The control circuit connection schematic diagram of the utility model as shown in Fig. 5, acceleration transducer 8, pressure gauge with bottom connection
11, pressure gauge with back connection 17, pressure gauge 24 data distinguish and inputted in the preposition processing module 42 of input signal through data collector 43
Into data server 44, is exported respectively after the processing of data server 44 to PLC controller 45, memory 46, display 47, deposited
Reservoir 46, display 47 are separately connected intelligence printer 48 and are printed out, acceleration transducer 8, pressure gauge with bottom connection 11, axis
Be transferred in PLC controller 45 and determined to the data of pressure gauge 17, pressure gauge 24 and temperature sensor 7, i.e., if plus
Velocity sensor 8 data reaction vibration values it is bigger than normal, more than PLC controller 45 setting value when or temperature sensor 7 examine
When measuring lubricating oil temperature in Bearning mechanism 6 and being more than the setting value of PLC controller 45, PLC controller 45 issues stop command
Main motor stop key 34 is triggered to rapid stop key 38, oil pump motor stop key 36 controls main motor 1 and oil pump motor 26
It is out of service, before on-test, first starting master switch 32, then could using PLC controller 45 trigger entire motor and
Axial, radial loaded control, PLC controller 45 export first via control signal to radial control valve 15, radial pressure are respectively started
Power transmitter 12, radial loaded mechanism 13, radial accumulator 14 realize radial loaded；PLC controller 45 exports the control of the second tunnel
Signal gives axial control valve 20, and lateral accumulator 16, axial compressive force transmitter 18, axially loaded mechanism 19 is respectively started and realizes axis
To load；PLC controller 45 exports third road control signal to frequency converter 21, drives main motor 1 to rotate and then passes through speed change
Case 3 drives Bearning mechanism 6 to realize rotation starting test；PLC controller 45 exports the 4th tunnel control signal and realizes to radiator 31
Heat dissipation during test；PLC controller 45 exports the 5th tunnel control signal to main motor start key 33, manually boots main electricity
Motivation 1 rotates and then drives Bearning mechanism 6 to realize rotation starting test by gearbox 3；PLC controller 45 exports the control of the 6th tunnel
Signal oil-feed pump motor start-up key 35 processed manually boots oil pump motor 26 and is recycled by circulation fuel tank 22 to Bearning mechanism 6
Fuel feeding, reset key 37 input PLC controller 45 to acceleration transducer 8, pressure gauge with bottom connection 11, pressure gauge with back connection 17, pressure gauge
24 data value carries out Initialize installation.
It is specifically described the implementation process of the utility model below.
Embodiment 1
Referring to attached drawing 1, a kind of petrochemical industry unit rolling bearing fault diagnosis and residual service life prediction device of the present embodiment, this
Device power supply uses three-phase alternating current, 380V, 50Hz, power consumption 5kW, key components are as follows: main motor
1, yielding coupling 2, gearbox 3, yielding coupling 4, transmission mechanism 5, Bearning mechanism 6.By starting main motor 1, in bullet
Property shaft coupling 2 under the action of, realize gearbox 3 speedup or deceleration, thus directly drive Bearning mechanism 6 in rotation axis
Get into smooth, rolling bearing pass through variable speed under the action of, it can be achieved that its revolving speed are as follows: 0-5000 r/min.
Frequency converter 21, is set on the front panel of the utility model, model are as follows: Mitsubishi universal frequency converter F700, according to
The demand of test should choose suitable frequency, and when supply frequency is 50Hz, the revolving speed of main motor 1 is about 3000 r/min
When, then frequency converter 48 then should select frequency for 30-60Hz, it is ensured that the electric current of main motor 1 is less than 6.3 A of rated current.
In order to which the utility model and petrochemical industry scene unit are more nearly, Bearning mechanism 6 is connected with circulation fuel tank 22, for rolling
Dynamic bearing provides the lubricating oil of circulation, to reach hydronic effect.In addition, can be exchanged for as needed in Bearning mechanism 6
Different types of bearing specifically includes that deep groove ball bearing, angular contact ball bearing, cylinder roller bearing, tapered roller bearing, rolling
Needle bearing, auto pump shaft connecting bearing and automobile hub bearing.Meanwhile it can also be chosen by the size of replacement test shaft diameter
The size of suitable bearings diameter, the rolling bearing inner diameter size tested in the present apparatus are 10-60mm.
In the utility model, the left side is radial loaded mechanism 13, after Bearning mechanism 6 is arranged in radial loaded oil cylinder
Face；The right is axially loaded mechanism 19, and the left side of Bearning mechanism 6 is arranged in axially loaded oil cylinder.In addition, on Bearning mechanism 6
Face is provided with temperature sensor 7, real-time monitors the temperature level of its inside lubricating oil.Either diameter carries oil cylinder or axis carries oil
Cylinder, when its film is in straightened condition, the internal clearance of the assembly length L of each part is 0 between film and carrier compound.Diameter carries
The two sides that oil cylinder and axis carry oil cylinder are equipped with cam, fix on the rotating shaft, and carrier compound when assembly and disassembly is prevented to be stuck.It is rotated with hand convex
Wheel shaft enables the protrusion of cam touch jacking block, and then piston is drawn back, and makes occur gap between film and carrier compound, convenient for handling
Bearning mechanism 6.Meanwhile radial loaded mechanism 13, axially loaded mechanism 19 and radial loaded mechanism 13 and axial direction can be passed through respectively
Under 19 collective effect of loading mechanism, chooses suitable counterweight and tested.
Radial accumulator 14, lateral accumulator 16, are respectively arranged in radial loaded mechanism 13 and lateral loading mechanism 19,
Steady pressure is played, the pressure oscillation that leakage generates is reduced.Radial piston is divided into φ 50 in radial loaded oil cylinder, by diameter
Mm and two kinds of 100 mm of φ, when pressure is 10 MPa, the gross thrust that can be generated respectively is 20 kN and 80 kN.When radial force is small
When 20 kN, small piston is generally used；With big piston when 20-80 kN.Axial piston is producible when pressure is 10 MPa
Gross thrust is 40 kN.Diameter carry the big small piston of oil cylinder gross thrust and counterweight and hook weight and the ratio between respectively 80:1 and 20:1,
Axis carry oil cylinder gross thrust and counterweight and hook weight and the ratio between for 40:1.But the maximum radial load of the utility model is
80 kN, maximum axial are 40 kN.
However, the utility model can also simulate the real time execution situation of rolling bearing different types of faults.Namely exist
(at this time then by radial control valve 15, axial control valve 20 when radial loaded mechanism 13, axially loaded mechanism 19 all do not work
All in closed state), the rolling bearing of failure early period is installed to the present apparatus and is tested, the axis of different faults type is passed through
The comparison repeatedly with normal bearing test is held, so that the development trend of its future life of the fault diagnosis and fault prediction of bearing is obtained,
Important role is made that replace rolling bearing, raising working efficiency in advance, reducing safety accident.
Rolling bearing drawer 28, test axis drawer 29, tool box 30, are successively used to the axis of rolling of device different sizes
It holds, rotation axis, various tools etc.；One side reasonable standard the putting of each component enables and on the one hand substantially increases remaining space
Utilization, it is important that provided convenience for the rolling bearing fault diagnosis of petrochemical industry unit with life prediction.
For the accuracy of diagnosis, the present apparatus uses six acceleration transducers 8, before being individually fixed in Bearning mechanism 6
Face with below, the model of acceleration transducer 8 are as follows: AC102-1A.The other end of acceleration transducer and signal are preposition simultaneously
Processing module 42 is connected, in order to guarantee that the authenticity of signal transmission, the present apparatus carry out data transmission using coaxial cable, wherein
The cable transmission line model are as follows: Coaxial cable.
Intelligence printer 48 is successively connected with data server 44, display 47, can be configured as needed to it certainly
Dynamic printing；Simultaneously when unit breaks down or lubricating oil temperature is excessively high, automatic printing function will be executed, by unit operation
Real-time status prints, and is convenient for its development trend of subsequent fault diagnosis and fault prediction.Except successively, the Intelligent printing of the present apparatus
Machine 48 other than automatic printing, can also to acquisition vibration values it is bigger than normal when issue early warning signal, thus play effectively remind make
With.
Embodiment 2
Referring to attached drawing 3, utility model device mainly passes through PLC controller 45 respectively to acceleration transducer 8 and temperature
Sensor 7 control effectively, to realize the automatic shutdown function of petrochemical industry unit.Specific steps are as follows:
Firstly, the front-back in the Bearning mechanism 6 of petrochemical industry unit is respectively set six acceleration transducers 8, and by signal
Preposition processing module 42 is successively coupled, so that it is guaranteed that the reliability and timeliness of the real-time vibration data of rolling bearing.It connects
, data collector 43 is connected by coaxial cable transmission line with the preposition processing module 42 of signal, and data collector 43 will obtain
The real time data taken is sent in data server 44；Then, data server 44 saves collected data in real time to depositing
In reservoir 46, and the signal of rolling bearing real time execution is shown on display 47.Finally, passing through the data progress to acquisition
Fault diagnosis and fault prediction, if vibration values are bigger than normal, more than system setting value when or temperature sensor 7 detect bearing machine
When lubricating oil temperature in structure 6 is more than the setting value of system, then PLC controller 45 will execute automatic shutdown function, with this
To ensure the safety of petrochemical industry unit equipment；If be not above setting value, the rolling bearing of petrochemical industry unit is continued
Monitoring and early warning.
Meanwhile the utility model is other than carrying out fault diagnosis to rolling bearing, additionally it is possible to pass through data server 44
The vibration data of acquisition is analyzed and handled, and the database established with early period carries out simulation comparison, thus comprehensive each side
Noodles part predicts the development trend of petrochemical industry unit rolling bearing future life.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without deviating from the technical principle of the utility model, several improvement and deformations can also be made, these change
It also should be regarded as the protection scope of the utility model into deformation.
Claims (10)
1. petrochemical industry unit bearing failure diagnosis and residual service life prediction device, which is characterized in that including main motor (1), first
Yielding coupling (2), gearbox (3), the second yielding coupling (4), transmission mechanism (5), Bearning mechanism (6), radial loaded machine
Structure (13), axially loaded mechanism (19), circulation fuel tank (22), temperature sensor (7), acceleration transducer (8), early warning and monitoring dress
It sets, the main motor (1) is connected by first yielding coupling (2) with the gearbox (3), the gearbox
(3) it is connected by second yielding coupling (4) with the transmission mechanism (5), the transmission mechanism (5) and the bearing machine
Structure (6) is connected, and the Bearning mechanism (6) is connected with the circulation fuel tank (22), the temperature sensor (7), the acceleration
Degree sensor (8) is connected with the early warning and monitoring device, the radial loaded mechanism (13) and the axially loaded mechanism
(19) couple the side for being set to the Bearning mechanism (6) respectively, be provided with oil pump motor on the circulation fuel tank (22)
(26)。
2. petrochemical industry unit bearing failure diagnosis according to claim 1 and residual service life prediction device, which is characterized in that institute
State the inordinate wear for being internally provided with test mandrel (61), fourth officer test bearing (62), distribution symmetrical above and below of Bearning mechanism (6)
Protection mechanism (66), test bearing (62) the cooperation nesting are set on the test mandrel (61), the two secondary test axis
It holds and is provided with isolation inner bushing ring (63) in the gap between (62), isolation inner bushing ring (63) cooperation is set in the test core
On axis (61), the mechanical arm that symmetrical distribution is fixedly installed on the inside of the inordinate wear protection mechanism (66) executes machine
Structure (67), the inner end of the mechanical arm executing agency (67) be equipped in it is described isolation inner bushing ring (63) outer surface on, institute
The outer end for stating inordinate wear protection mechanism (66) is provided with for fastening and the hinged seat of up and down adjustment (68), the test mandrel
(61) left and right end portions are arranged with the locking nut (65) matched, the gap location between the adjacent two secondary test bearings (62)
It is provided with gear and tears gasket (64) open.
3. petrochemical industry unit bearing failure diagnosis according to claim 2 and residual service life prediction device, which is characterized in that institute
State the liner protection block (672) that mechanical arm executing agency (67) includes longitudinal bar member (671), bilateral symmetry distribution, the liner
Protection block (672) is fixedly installed on the inner end of the longitudinal bar member (671), and the medial surface of the liner protection block (672) is set
It is equipped with semicircular rotatable engagement sliding slot (673), the mechanical arm executing agency (67) passes through the rotatable engagement sliding slot (673)
It is cooperatively connected with the outer surface rotational slide that inner bushing ring (63) is isolated.
4. petrochemical industry unit bearing failure diagnosis according to claim 2 and residual service life prediction device, which is characterized in that institute
State the outer concave slide groove (69) for being provided on the inside of inordinate wear protection mechanism (66) and being recessed outward.
5. petrochemical industry unit bearing failure diagnosis according to claim 1 and residual service life prediction device, which is characterized in that institute
It states fault diagnosis and residual service life prediction device further includes pedestal (10), it is the main motor (1), the gearbox (3), described
Bearning mechanism (6) is each attached on the pedestal (10).
6. petrochemical industry unit bearing failure diagnosis according to claim 1 and residual service life prediction device, which is characterized in that institute
The bottom for stating fault diagnosis and residual service life prediction device is provided with big pedestal (40), small footprint (39), connection pedestal (41), institute
It states circulation fuel tank (22) to be fixed on the big pedestal (40) by the small footprint (39), the early warning and monitoring device is logical
The connection pedestal (41) is crossed to be fixed on the big pedestal (40).
7. petrochemical industry unit bearing failure diagnosis according to claim 1 and residual service life prediction device, which is characterized in that institute
The side for stating radial loaded mechanism (13) is additionally provided with radial pressure transmitter (12), radial accumulator (14), radial control valve
(15), pressure gauge with bottom connection (11), the radial loaded mechanism (13) and the radial pressure transmitter (12), the radial accumulation of energy
Device (14), radial control valve (15) are connected, the pressure gauge with bottom connection (11) be set to the radial pressure transmitter (12) with
Between the radial direction accumulator (14)；The side of the axially loaded mechanism (19) is additionally provided with lateral accumulator (16), axial direction
Pressure transmitter (18), pressure gauge with back connection (17), axial control valve (20), the axially loaded mechanism (19) and the axial pressure
Power transmitter (18), the lateral accumulator (16), the axial control valve (20) are connected, and the pressure gauge with back connection (17) sets
It is placed between the axial compressive force transmitter (18) and the lateral accumulator (16).
8. petrochemical industry unit bearing failure diagnosis according to claim 1 and residual service life prediction device, which is characterized in that institute
It states and is additionally provided with frequency converter (21) on fault diagnosis and residual service life prediction device, the frequency converter (21) and the main motor
(1) it is connected；The circulation fuel tank (22) is additionally provided with check valve (23), pressure gauge (24), range meter (25), the oil pump electricity
Motivation (26) is connected by the circulation fuel tank (22), the check valve (23), oil inlet pipe (9) with the Bearning mechanism (6),
The oil pump motor (26) is connected by flowline (27) with the Bearning mechanism (6).
9. petrochemical industry unit bearing failure diagnosis according to claim 1 and residual service life prediction device, which is characterized in that institute
It states and is additionally provided with rolling bearing drawer (28), test axis drawer (29), tool box on fault diagnosis and residual service life prediction device
(30), radiator (31)；Master switch (32) is additionally provided in the fault diagnosis and residual service life prediction device, main motor opens
Dynamic key (33), main motor stop key (34), oil pump motor start key (35), oil pump motor stop key (36), reset key
(37), rapid stop key (38), the master switch (32) respectively with the motor start-up key (33), the oil pump motor start key
(35) be connected, the main motor start key (33), the main motor stop key (34) respectively with the main motor (1)
Be connected, the oil pump motor start key (35), the oil pump motor stop key (36) respectively with the oil pump motor
(26) be connected, the reset key (37) is connected with the master switch (32), the rapid stop key (38) respectively with the main electricity
Motivation (1), the oil pump motor (26) are connected.
10. petrochemical industry unit bearing failure diagnosis according to claim 1 and residual service life prediction device, which is characterized in that
The early warning and monitoring device includes the preposition processing module of signal (42), data collector (43), data server (44), PLC control
Device (45) processed, memory (46), display (47), intelligence printer (48), the acceleration transducer (8), the temperature pass
Sensor (7) is connected with the preposition processing module of the signal (42) respectively, and the preposition processing module of signal (42) difference is successively
With the data collector (43), the data server (44), the PLC controller (45), the memory (46), described
Display (47), the intelligence printer (48) are connected.
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| CN201821860548.3U CN209264286U (en) | 2018-11-13 | 2018-11-13 | Petrochemical industry unit bearing failure diagnosis and residual service life prediction device |
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| CN209264286U true CN209264286U (en) | 2019-08-16 |
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| CN201821860548.3U Expired - Fee Related CN209264286U (en) | 2018-11-13 | 2018-11-13 | Petrochemical industry unit bearing failure diagnosis and residual service life prediction device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110687900A (en) * | 2019-10-31 | 2020-01-14 | 威斯坦(厦门)实业有限公司 | Aging rack system for automatically detecting 3D main controller |
| CN110852154A (en) * | 2019-09-29 | 2020-02-28 | 广东石油化工学院 | Rolling bearing fault diagnosis method and device based on deep learning and sound waveform images and readable storage medium |
| CN112014104A (en) * | 2020-07-28 | 2020-12-01 | 人本股份有限公司 | Test tool for water pump shaft connecting bearing |
| CN112781873A (en) * | 2020-12-30 | 2021-05-11 | 广东石油化工学院 | Gearbox fault diagnosis analog system |
| CN113029568A (en) * | 2021-03-08 | 2021-06-25 | 广东石油化工学院 | Bearing life testing system and method |
| CN116292321A (en) * | 2023-05-24 | 2023-06-23 | 孚诺泽石油装备(山东)有限公司 | Petrochemical machine pump with load abnormality early warning function |
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2018
- 2018-11-13 CN CN201821860548.3U patent/CN209264286U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110852154A (en) * | 2019-09-29 | 2020-02-28 | 广东石油化工学院 | Rolling bearing fault diagnosis method and device based on deep learning and sound waveform images and readable storage medium |
| CN110852154B (en) * | 2019-09-29 | 2022-10-14 | 广东石油化工学院 | Rolling bearing fault diagnosis method and device based on deep learning and sound waveform images and readable storage medium |
| CN110687900A (en) * | 2019-10-31 | 2020-01-14 | 威斯坦(厦门)实业有限公司 | Aging rack system for automatically detecting 3D main controller |
| CN112014104A (en) * | 2020-07-28 | 2020-12-01 | 人本股份有限公司 | Test tool for water pump shaft connecting bearing |
| CN112781873A (en) * | 2020-12-30 | 2021-05-11 | 广东石油化工学院 | Gearbox fault diagnosis analog system |
| CN112781873B (en) * | 2020-12-30 | 2023-03-14 | 广东石油化工学院 | Gearbox fault diagnosis analog system |
| CN113029568A (en) * | 2021-03-08 | 2021-06-25 | 广东石油化工学院 | Bearing life testing system and method |
| CN113029568B (en) * | 2021-03-08 | 2023-10-20 | 广东石油化工学院 | Bearing life test system and method |
| CN116292321A (en) * | 2023-05-24 | 2023-06-23 | 孚诺泽石油装备(山东)有限公司 | Petrochemical machine pump with load abnormality early warning function |
| CN116292321B (en) * | 2023-05-24 | 2023-09-19 | 孚诺泽石油装备(山东)有限公司 | Petrochemical machine pump with load abnormality early warning function |
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