CN109612727A - High-power electric locomotive traction motor bearing on-line vibration detection device - Google Patents
High-power electric locomotive traction motor bearing on-line vibration detection device Download PDFInfo
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- CN109612727A CN109612727A CN201811518689.1A CN201811518689A CN109612727A CN 109612727 A CN109612727 A CN 109612727A CN 201811518689 A CN201811518689 A CN 201811518689A CN 109612727 A CN109612727 A CN 109612727A
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- Prior art keywords
- vibration
- analyzer
- traction motor
- motor bearing
- electric locomotive
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/04—Bearings
- G01M13/045—Acoustic or vibration analysis
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- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The invention discloses a kind of high-power electric locomotive traction motor bearing on-line vibration detection systems, comprising: the vibration analyzer for being set on traction electric machine, vibration analyzer are equipped with wireless transmitter module；For being fixed on traction electric machine end cap to detect the vibrating sensor of bear vibration, vibration sensor signal is connected to vibration analyzer；Detection device for being set in drivers' cab, detection device are connected with receiver, and receiver is equipped with wireless receiving module, wireless transmitter module and wireless receiving module and carries out signal transmission by wireless signal.The signal between detection device and vibration analyzer is carried out using Radio Transmission Technology to transmit, it may be implemented to detect under vehicle, analyze, data wireless transmission, data are received on vehicle and are handled, assembly is quick, the problems such as complicated there is no wiring in the prior art, without carrying out complicated data circuit arrangement between bogie, car body and drivers' cab.
Description
Technical field
The present invention relates to electric locomotive technical field, in particular to a kind of high-power electric locomotive traction motor bearing exists
Linearly coupled detection device.
Background technique
In the application of high-power electric locomotive, locomotive traction motor bearing is different with the practical vibration used on route
Emotionally condition has direct influence to the service life of bearing, needs to detect the vibration of bearing.
Traction electric machine is mounted on the bogie below car body, and structure is complicated for perimeter mounted, and non-transformer line interface.It passes
Vibrating sensor is passed through wheel to, structure using being adhesive on electric motor end cap, and by data transmission link by the bear vibration detection of system
Frame, car body are connected in locomotive cab, and are carried out using the 220V AC power source in drivers' cab to acquisition instrument, analysis instrument
Centrally connected power supply, to complete vibration detection.
As it can be seen that data transmission link is routed complicated various, assembly difficulty in traditional detection system.
Therefore, how a kind of vibration detection device convenient for assembly is provided, is that those skilled in the art need to solve at present
The technical issues of.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of inspections of high-power electric locomotive traction motor bearing on-line vibration
Examining system, convenient for assembly.
To achieve the above object, the invention provides the following technical scheme:
A kind of high-power electric locomotive traction motor bearing on-line vibration detection system, comprising:
Vibration analyzer for being set on traction electric machine, the vibration analyzer are equipped with wireless transmitter module；
For being fixed on traction electric machine end cap to detect the vibrating sensor of bear vibration, the vibration sensor signal connects
It is connected to the vibration analyzer；
Detection device for being set in drivers' cab, the detection device are connected with receiver, set on the receiver
There are wireless receiving module, the wireless transmitter module and the wireless receiving module to carry out signal transmission by wireless signal.
Preferably, the vibrating sensor include for detect the first vibrating sensor from bearing first to vibration, be used for
Bearing second is detected to the second vibrating sensor of vibration and for detecting third vibrating sensor of the bearing third to vibration, institute
State first to, described second to the third to vertical two-by-two.
It preferably, further include for being fixed on the bottom plate on traction electric machine and the damping part on the bottom plate, institute
Vibration analyzer is stated on the damping part.
Preferably, the damping part is rubber pad.
Preferably, the bottom plate is equipped with the bolt for being detachably connected traction electric machine.
Preferably, the outer surface of the vibration analyzer is equipped with the nylon layer for insulating with traction electric machine.
Preferably, the vibration analyzer is equipped with the mobile power source mounting base for detachably installing mobile power source, institute
It states and is connected with mobile power source power supply line between mobile power source mounting base and the vibration analyzer.
Preferably, it is equipped in the receiver for being passed between the wireless transmitter module and the wireless receiving module
Defeated data carry out the verification unit of authenticity verification.
On-line vibration detection system provided by the invention, comprising: the vibration analyzer for being set on traction electric machine, vibration
Dynamic analyzer is equipped with wireless transmitter module；For being fixed on traction electric machine end cap to detect the vibrating sensor of bear vibration,
Vibration sensor signal is connected to vibration analyzer；Detection device for being set in drivers' cab, detection device, which is connected with, to be connect
Device is received, receiver is equipped with wireless receiving module, and wireless transmitter module carries out signal by wireless signal with wireless receiving module
Transmission.
Vibration analyzer and vibrating sensor are used to be arranged on traction electric machine, and detection device is with receiver for being arranged
In drivers' cab, the signal between detection device and vibration analyzer is carried out using Radio Transmission Technology and is transmitted, vehicle may be implemented
Lower detection is analyzed, data wireless transmission, is received data on vehicle and is handled, and assembly is quick, and it is multiple that wiring in the prior art is not present
The problems such as miscellaneous, substantially increases the efficiency of traction motor bearings on-line vibration detection, using Radio Transmission Technology, without turning to
Complicated data circuit arrangement is carried out between frame, car body and drivers' cab, can meet test accuracy, reliability and stability
While, overall time needed for simplifying the on-line detecting system of track drawing motor bearings, shortening detection is conducive to improve inspection
Survey efficiency.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is structure of the detecting device schematic diagram provided by the embodiment of the present invention；
Fig. 2 is vibrating sensor scheme of installation in detection device provided by the embodiment of the present invention；
Fig. 3 is the detection method structural schematic diagram of detection device provided by the embodiment of the present invention；
Fig. 4 is the structural schematic diagram of vibrating sensor in detection device provided by the embodiment of the present invention.
Description of symbols:
Bolt 1, plain washer 2, spring washer 3, bottom plate 4, rubber pad 5, bolt 6, vibration analyzer mounting base 7, bolt 8,
Mobile power source mounting base 9, bolt 10, mobile power source power supply line 11, sensor wire 12, vibration analyzer 13, traction electric machine end
Lid 14, the first vibrating sensor 15, the second vibrating sensor 16, third vibrating sensor 17, mass block 18, piezoelectric element 19,
Support 20, output lead 21, wireless transmitter module 22, wireless receiving module 23, elastic element 24, conversion element 25, measurement electricity
Road 26, accessory power supply 27.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Core of the invention is to provide a kind of high-power electric locomotive traction motor bearing on-line vibration detection system, just
In assembly.
A kind of specific reality of high-power electric locomotive traction motor bearing on-line vibration detection system provided by the present invention
It applies in example, please refer to figs. 1 to 4, comprising: vibration analyzer 13, vibrating sensor and detection device.
For vibration analyzer 13 for being arranged in traction electric machine, vibration analyzer 13 is equipped with wireless transmitter module 22.Vibration
Dynamic sensor is for being fixed on traction electric machine end cap 14, and to detect bear vibration, vibration sensor signal is connected to vibration point
Analyzer 13.For detection device for being arranged in drivers' cab, detection device is connected with receiver, and receiver is equipped with wireless receiving mould
Block 23, wireless transmitter module 22 and wireless receiving module 23 carry out signal transmission by wireless signal.
Wherein, the detection device in drivers' cab is specifically as follows laptop, and receiver is specifically as follows miniature reception
Device.
Wherein, optionally, vibration analyzer 13 can be with built-in lithium battery.More specifically, can wrap in vibration analyzer 13
The components such as elastic element 24, conversion element 25, measuring circuit 26, accessory power supply 27 are included, the prior art can be specifically referred to.Vibration
Analyzer 13 can data real-time detection analysis to vibrating sensor, and it is using Radio Transmission Technology that vibration analysis data are real
When be transmitted to receiver, to realize real-time detection vibrate to high-power locomotive traction motor bearings analysis.
It wherein, optionally, may include mass block 18, piezoelectric element 19, support 20, output lead 21 in vibrating sensor
Equal components, can specifically refer to the prior art.
Detection system in the present embodiment, vibration analyzer 13 and vibrating sensor are used to be arranged on traction electric machine,
Detection device and receiver carry out detection device and vibration analyzer 13 for being arranged in drivers' cab, using Radio Transmission Technology
Between signal transmission, may be implemented to detect under vehicle, analyze, data wireless transmission, data are received on vehicle and are handled, assembly is fast
Victory substantially increases the efficiency of traction motor bearings on-line vibration detection, using Radio Transmission Technology, without in bogie, vehicle
Complicated data circuit arrangement is carried out between body and drivers' cab, can meet test accuracy, reliability and stability it is same
When, overall time needed for simplifying the on-line detecting system of track drawing motor bearings, shortening detection is conducive to improve detection effect
Rate.
On the basis of the above embodiments, vibrating sensor can specifically include for detecting bearing first to vibration
One vibrating sensor 15, for detecting bearing second to the second vibrating sensor 16 of vibration and for detecting bearing third to vibration
Dynamic third vibrating sensor 17, first to, second to third to vertical two-by-two.
Optionally, as shown in Fig. 2, first to the axial direction that can correspond to traction electric machine, second to can correspond to draw
Motor it is vertical, third is axial, vertical, horizontal direction is vertical two-by-two to the horizontal direction that can correspond to traction electric machine.Accordingly
Ground, according to the size of vibrating sensor, processes sensing in processing in vertical on electric motor end cap, horizontal direction and axial direction
Device mounting surface, sensor mounting hole, realization sensor and traction electric machine end cap 14 are reliably fixed.
Optionally, the first vibrating sensor 15, the second vibrating sensor 16 and third vibrating sensor 17 can lead to respectively
Sensor wire 12 is crossed to connect with 13 signal of vibration analyzer.
Optionally, vibrating sensor can be bolted in electric motor end cap.
In the present embodiment, the bear vibration situation on three directions is examined respectively using three single vibration sensors
It surveys, and vibration analysis data is transmitted to by Radio Transmission Technology by receiver by vibration analyzer 13, detection is efficient, quasi-
Really, convenient.
Certainly, in other embodiments, vibrating sensor may be set to be a three-way vibration sensor.
Based on any of the above embodiments, which can also include the bottom for being fixed on traction electric machine
Plate 4 and the damping part being arranged on bottom plate 4, vibration analyzer 13 are connected by bottom plate 4 with traction electric machine, vibration analyzer
13 are arranged on damping part, to carry out shock-absorbing protecting to vibration analyzer 13.
Preferably, damping part can be rubber pad 5, it is possible to further the rubber pad 5 for 3mm thickness, reliably to separate
Vibration analyzer 13 and bottom plate 4, play good damping effect.Certainly, damping part can also for damping spring or other
Damping part.
On the basis of the above embodiments, the bolt for being detachably connected traction electric machine can be set on bottom plate 4, pass through
It is bolted bottom plate and traction electric machine, in order to rapidly realize the dismounting between bottom plate 4 and traction electric machine.
More specifically, as shown in Figure 1, bottom plate 4 can be reliably fixed by bolt, plain washer 2 and spring washer 3 in traction
On motor, it is reliable, convenient to install and dismantle in bogie small space.Rubber pad 5 is fixed on bottom plate 4, vibration analyzer
Mounting base 7 is fixed on 5 top of rubber pad by plain washer, spring washer, two bolts, in addition, using nut, plain washer, bullet
Vibration analyzer 13 is fixed on the middle of vibration analyzer mounting base 7 by spring washer, 4 bolts.
Based on any of the above embodiments, the outer surface of vibration analyzer 13 can be set for exhausted with traction electric machine
The nylon layer of edge, while guaranteeing that 13 surface of vibration analyzer is isolated with motor surface insulation, nylon layer, which can also play, to be subtracted
The effect of shake.
Based on any of the above embodiments, it can be set on vibration analyzer 13 for detachably installing mobile power source
Mobile power source mounting base 9, mobile power source power supply line 11 is connected between mobile power source mounting base 9 and vibration analyzer 13, lead to
The setting for crossing mobile power source mounting base 9 supply that the vibration analyzer 13 and other component can also using mobile power source
Electricity, the mobile power source that the replaceable electricity in way is used up in the detection can be realized sustained vibration detection.
Preferably, vibration analyzer 13 can be folded between mobile power source mounting base 9 and vibration analyzer mounting base 7,
To improve being reliably fixed for vibration analyzer 13, it is advantageously implemented the comprehensive fixation of vibration analyzer 13.
Based on any of the above embodiments, verification unit can be set in receiver, for wireless transmitter module
The data transmitted between 22 and wireless receiving module 23 carry out authenticity verification, to realize the reliable transmission of detection data, significantly
Improve detection precision.
A kind of specific embodiment of vibration detecting system provided by the present invention is as shown in Figure 1, include 1 piece of 4,1 pieces of bottom plate vibration
Dynamic 7,1 pieces of mobile power source mounting bases 9 of analyzer mounting base and yielding rubber pad 5.When in use, pass through 1 bolt, plain washer 2
Bottom plate 4 is fixed on traction electric machine with spring washer 3；Vibration analyzer mounting base 7 is passed through into two bolts, plain washer and bullet
Spring washer is fixed on 4 top of bottom plate, and yielding rubber pad 5 is installed between bottom plate 4 and vibration analyzer mounting base 7；Using 4
Vibration analyzer 13 is fixed on the middle of vibration analyzer mounting base 7 by bolt, nut, plain washer and spring washer；It is shaking
Mobile power source mounting base 9 is installed above dynamic analyzer 13, and is fixed by bolts；Movement is inserted into mobile power source mounting base 9
Power supply simultaneously connects mobile power source power supply line 11；3 detection cables are installed on vibration analyzer 13, and are pacified in the cable other end
Fill vibrating sensor；Vibrating sensor is fixed on the vertical of traction electric machine end cap 14, horizontal direction and axial direction by stud
On, realize the real-time detection to bear vibration data.
The system of the high-power electric locomotive traction motor bearing on-line vibration detection device based on Radio Transmission Technology
It can specifically include following steps as method:
Using angle grinder traction electric machine end cap 14 is vertical, grinds the facet of 3 φ 25 on horizontal direction and axial direction；
4.2 depth 10mm bottom outlet of φ is bored in the center position of the facet of 3 φ 25 using electric hand drill, and uses M5 screw tap
Tapping is carried out, the sensor installation threaded hole of 3 M5 depth 10mm is processed；
Vibrating sensor is mounted on by M5 screw rod on the facet of the φ 25 of processing early period；
Vibration analyzer mounting base 7 is fixed on above bottom plate 4 by two bolts, plain washer and spring washer, and
The rubber pad 5 of damping is installed between bottom plate 4 and vibration analyzer mounting base 7；
Vibration analyzer 13 is fixed on by vibration analyzer mounting base using 4 bolts, nut, plain washer and spring washer
7 middle；
Mobile power source mounting base 9 is installed above vibration analyzer 13, and is fixed by bolts；
It is inserted into mobile power source in mobile power source mounting base 9 and connects mobile power source power supply line 11；
3 detection cables are installed on vibration analyzer 13, and are mounted on vibrating sensor head in the cable other end；
Bottom plate 4 is fixed on traction electric machine by 1 bolt, plain washer 2 and spring washer 3；
Locking label is drawn at all bolts using marking pen；
Detection device and micro-receiver are debugged in drivers' cab, and data reliability verifying function is set, realizes testing number
According to reliable transmission.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
High-power electric locomotive traction motor bearing on-line vibration detection system provided by the present invention is carried out above
It is discussed in detail.Used herein a specific example illustrates the principle and implementation of the invention, above embodiments
Explanation be merely used to help understand method and its core concept of the invention.It should be pointed out that for the common of the art
, without departing from the principle of the present invention, can be with several improvements and modifications are made to the present invention for technical staff, these
Improvement and modification are also fallen within the protection scope of the claims of the present invention.
Claims (8)
1. a kind of high-power electric locomotive traction motor bearing on-line vibration detection system characterized by comprising
Vibration analyzer (13) for being set on traction electric machine, the vibration analyzer (13) are equipped with wireless transmitter module
(22)；
For being fixed on traction electric machine end cap (14) to detect the vibrating sensor of bear vibration, the vibration sensor signal connects
It is connected to the vibration analyzer (13)；
Detection device for being set in drivers' cab, the detection device are connected with receiver, and the receiver is equipped with nothing
Line receiving module (23), the wireless transmitter module (22) carry out signal by wireless signal with the wireless receiving module (23)
Transmission.
2. high-power electric locomotive traction motor bearing on-line vibration detection system according to claim 1, feature
Be, the vibrating sensor include for detect bearing first to the first vibrating sensor (15) of vibration, for detection axis
Second is held to the second vibrating sensor (16) of vibration and for detecting third vibrating sensor (17) of the bearing third to vibration,
Described first to, described second to the third to vertical two-by-two.
3. high-power electric locomotive traction motor bearing on-line vibration detection system according to claim 1, feature
It is, further includes the damping part for being fixed on the bottom plate on traction electric machine (4) and being set on the bottom plate (4), the vibration
Dynamic analyzer (13) are set on the damping part.
4. high-power electric locomotive traction motor bearing on-line vibration detection system according to claim 3, feature
It is, the damping part is rubber pad (5).
5. high-power electric locomotive traction motor bearing on-line vibration detection system according to claim 3, feature
It is, the bottom plate (4) is equipped with the bolt for being detachably connected traction electric machine.
6. high-power electric locomotive traction motor bearing on-line vibration detection system according to claim 3, feature
It is, the outer surface of the vibration analyzer (13) is equipped with the nylon layer for insulating with traction electric machine.
7. high-power electric locomotive traction motor bearing on-line vibration detection system according to any one of claims 1 to 6
System, which is characterized in that the vibration analyzer (13) is equipped with the mobile power source mounting base for detachably installing mobile power source
(9), mobile power source power supply line (11) are connected between the mobile power source mounting base (9) and the vibration analyzer (13).
8. high-power electric locomotive traction motor bearing on-line vibration detection system according to claim 7, feature
It is, is equipped in the receiver for being transmitted between the wireless transmitter module (22) and the wireless receiving module (23)
Data carry out authenticity verification verification unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811518689.1A CN109612727A (en) | 2018-12-12 | 2018-12-12 | High-power electric locomotive traction motor bearing on-line vibration detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811518689.1A CN109612727A (en) | 2018-12-12 | 2018-12-12 | High-power electric locomotive traction motor bearing on-line vibration detection device |
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| CN109612727A true CN109612727A (en) | 2019-04-12 |
Family
ID=66008107
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|---|---|---|---|
| CN201811518689.1A Pending CN109612727A (en) | 2018-12-12 | 2018-12-12 | High-power electric locomotive traction motor bearing on-line vibration detection device |
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| CN113155465A (en) * | 2021-04-22 | 2021-07-23 | 上海工程技术大学 | Portable subway traction motor bearing state detection device |
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