CN109738527A - The fault detection system of the mounting device and bearing arrangement of sensor and detection part - Google Patents
The fault detection system of the mounting device and bearing arrangement of sensor and detection part Download PDFInfo
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- CN109738527A CN109738527A CN201910031119.8A CN201910031119A CN109738527A CN 109738527 A CN109738527 A CN 109738527A CN 201910031119 A CN201910031119 A CN 201910031119A CN 109738527 A CN109738527 A CN 109738527A
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- sensor
- detection part
- mounting device
- fixation member
- mounting
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Abstract
The invention discloses the mounting device of a kind of sensor and detection part, including fixation member, one end of fixation member is equipped with the mounting portion of installation sensor, and the other end is equipped with interconnecting piece；Mounting portion is connected with interconnecting piece by transition part, and transition part has the first pore structure through it；Detection part has mounting hole, and fixation member is fixed on mounting hole by interconnecting piece, and detection part is fixedly provided with locking component, and locking component has the second pore structure；It further include the anti-DNA releaxed circular DNA in the figure of eight, one end of anti-DNA releaxed circular DNA is arranged in the first pore structure, and the other end is arranged in the second pore structure.The mounting device can be improved the fixed effect of sensor and detection part, it is ensured that detection part is under high-speed cruising ambient condition, and sensor will not loosen or fall off, to guarantee the measurement accuracy of sensor.The invention also discloses a kind of fault detection systems of bearing arrangement including above-mentioned mounting device.
Description
Technical field
The present invention relates to detection technique fields, more particularly to the mounting device of a kind of sensor and detection part, this hair
It is bright to further relate to a kind of bearing fault detection system including above-mentioned mounting device.
Background technique
To ensure high-speed EMUs safe operation, and the maintenance of saving EMU rolling bearing and replacement cost, set at present
In respect of bearing condition monitoring system, by being installed on the sensor uninterrupted sampling EMU operation data of vehicle body, and according to inspection
It surveys result and makes diagnosis, to realize timely Alarm when initial stage or earlier damage occurs in bearing.
Acoustic-emission is a kind of dynamic detection method, and detection sensitivity is very high, is highly suitable for bearing and is formed in failure
The detection of initial stage and developing stage, so, bearing state on-line monitoring is mainly carried out using acoustic emission at present, in EMU
Coherent detection position install acoustic emission sensor.
Since the speed of high-speed EMUs is very high, up to per hour 350 kilometers or higher, great inertia thus will be generated
With vibration, to prevent in monitoring process, acoustic emission sensor, which loosens, even to fall off, and guarantees measurement accuracy and traffic safety, needs
Acoustic emission sensor is fixed in EMU well.
It is appreciated that other than said circumstances, for other on-Line Monitor Devices of EMU, corresponding sensor
There is also similar problems, i.e., how well to fix sensor, realize to EMU associated components to on-line monitoring.
Summary of the invention
The object of the present invention is to provide the mounting device of a kind of sensor and detection part, which can be improved biography
The fixed effect of sensor and detection part, it is ensured that detection part is under high-speed cruising ambient condition, sensor will not loosen or
It falls off, to guarantee the measurement accuracy of sensor.
It is a further object of the present invention to provide a kind of fault detection system of bearing arrangement for EMU, failure inspections
Examining system includes above-mentioned mounting device.
In order to solve the above technical problems, the present invention provides the mounting device of a kind of sensor and detection part, including fixation
Component, one end of the fixation member are equipped with the mounting portion for installing the sensor, and the other end of the fixation member, which is equipped with, to be connected
Socket part；The mounting portion is connected with the interconnecting piece by transition part, and the transition part has the first pore structure through it；Institute
Detection part is stated with mounting hole, the fixation member is fixed on the mounting hole, the detection part by the interconnecting piece
It is fixedly provided with locking component, the locking component has the second pore structure；
It further include the anti-DNA releaxed circular DNA in the figure of eight, one end of the anti-DNA releaxed circular DNA is arranged in first pore structure, and the other end is worn
Set on second pore structure.
Sensor is installed on fixation member by mounting device provided by the invention, which pacifies with detection part again
Dress is fixed, and specifically, which is connected through portion and connect with detection part, and perforative the is additionally provided in the fixation member
One pore structure, detection part are equipped with the locking component with the second pore structure, by anti-between locking component and fixation member
DNA releaxed circular DNA connection, wherein anti-DNA releaxed circular DNA is in figure of eight shape, and one end is arranged in the first pore structure of fixation member, and one end is arranged in
Second pore structure of locking component, in this way, sensor is installed on detection part, fixation member and detection part by fixation member
It is bundled again by anti-DNA releaxed circular DNA, because anti-DNA releaxed circular DNA is in figure of eight structure, that is to say, that be located at fixation member and test section
Anti- DNA releaxed circular DNA between part is cross-shaped, forms opposite torque, and when fixation member loosens, locking component will receive opposite power
Square automatically lock, equally, when locking superstructure loosening, fixation member will receive opposite torque automatically lock, locking component and
Fixation member is self-locking by the formation loosening of locking ring, can be true so as to which sensor to be well secured on detection part
The fixed effect that detection part is in sensor when under high-speed cruising state is protected, prevents sensor from loosening, and then ensures sensor
Detection accuracy.
The mounting device of sensor and detection part as described above, the interconnecting piece have external screw thread, the mounting hole
For the internal thread hole cooperated with the interconnecting piece.
The mounting device of as described above sensor and detection part, the locking component are bolt, and head has the
Two pore structures；The detection part has the threaded hole cooperated with the bolt.
The mounting device of sensor and detection part as described above, the anti-DNA releaxed circular DNA is specially locking wire drawing.
The mounting device of as described above sensor and detection part, the mounting portion include bottom wall part and along the bottom wall
The axially extending peripheral wall portion in portion, the bottom wall part and the peripheral wall portion form open accommodating chamber, and the sensor is installed on institute
State accommodating chamber；The mounting device further includes the head members for blocking the accommodating chamber.
The mounting device of sensor and detection part as described above, the head members are specially nut, the receiving
The internal perisporium of chamber has the internal screw thread cooperated with the nut.
The mounting device of sensor and detection part as described above further includes the elasticity gear on the outside of the nut
Circle, the circlip are embedded in the peripheral wall portion to compress the nut.
The mounting device of sensor and detection part as described above, is additionally provided between the sensor and the bottom wall part
Couplant, and/or, elastic washer is equipped between the sensor and the head members.
The mounting device of sensor and detection part as described above, the peripheral wall portion also have along its axially extending slot
Mouthful, so that the connector of the sensor can be placed in the notch.
The present invention also provides a kind of fault detection systems of bearing arrangement, are used for EMU, including sensor and acquisition point
Analysis system, the sensor are fixedly installed in the bearing arrangement, and the sensor and the bearing arrangement pass through any of the above-described
Mounting device installation described in.
Since above-mentioned mounting device has above-mentioned technique effect, so the fault detection system including the mounting device also has
There is corresponding technical effect, details are not described herein again.
Fault detection system as described above, the sensor are specially acoustic emission sensor, the mounting hole and described
Locking component is specifically set to the bearing block of the bearing arrangement.
Detailed description of the invention
Fig. 1 is the assembling schematic diagram of acoustic emission sensor and fixation member in specific embodiment；
Fig. 2 is the structural schematic diagram of the fault detection system of specific embodiment bearing device；
Fig. 3 is the structural schematic diagram of acoustic emission sensor in specific embodiment.
Description of symbols:
Fixation member 100, mounting portion 110, peripheral wall portion 112, notch 1121, interconnecting piece 120, transition part 130, the first hole knot
Structure 131, hexagonal socket nut 140, circlip 150；
Acoustic emission sensor 200, ceramic bottom board 210, shell 220, piezoelectric chip 230, connector 240；
Bearing arrangement 300, bearing 310, bearing block 320, bearing (ball) cover 330；
Check bolt 400, locking wire drawing 500, signal amplifier 600, acquisition analysis system 700.
Specific embodiment
Mounting device provided by the invention is used to sensor being installed on detection part, which can be improved sensing
The fixed effect of device and detection part, especially when detection part is under high-speed cruising state, the fixed effect of sensor is protected
Hinder the measurement accuracy of sensor.
The mounting device can be applied to the installation of different sensor and detection part, without loss of generality, hereafter will be with
It is described in detail for the mounting device of acoustic emission sensor and bearing arrangement in the fault detection system of the bearing arrangement of EMU
The specific structure of the mounting device, while illustrating the fault detection system together.
It is appreciated that the mounting device is equally adapted to, is no longer arranged one by one for other kinds of sensor and detection part
It lifts.
In order to enable those skilled in the art to better understand the solution of the present invention, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.
Fig. 1 to Fig. 3 is please referred to, Fig. 1 is the assembling schematic diagram of acoustic emission sensor and fixation member in specific embodiment；Figure
2 be the structural schematic diagram of the fault detection system of specific embodiment bearing device；Fig. 3 is voice sending sensor in specific embodiment
The structural schematic diagram of device.
In the embodiment, the bearing arrangement 300 of EMU includes the knot such as bearing 310, bearing block 320 and bearing (ball) cover 330
Structure wants the operating status of real-time monitoring bearing arrangement 300, needs for acoustic emission sensor 200 to be mounted on bearing arrangement 300.
Theoretically, acoustic emission sensor 200 can be mounted on the either component of bearing arrangement 300, in the present embodiment, it is contemplated that peace
The factors such as space are filled, acoustic emission sensor 200 are specifically mounted on bearing block 320, it will be understood that bearing block 320 is at this time
Detection part.
In the embodiment, mounting device includes fixation member 100, and one end of the fixation member 100 is equipped with installation sound emission
The mounting portion 110 of sensor 200, the other end are equipped with interconnecting piece 120, and the mounting portion 110 and the interconnecting piece 120 pass through transition part
130 connection, the transition part 130 have perforative first pore structure 131, specifically, first pore structure 131 substantially along perpendicular to
The length direction of fixation member 100 runs through transition part 130.
There is mounting hole, fixation member 100 is connected through the installation that bearing block 320 is fixed in portion 120 on bearing block 320
Hole；Bearing block 320 is fixedly provided with locking component, which has the second pore structure through it.
It after fixation member 100 is installed on bearing block 320, is bundled between locking component by anti-DNA releaxed circular DNA, specifically, is prevented
DNA releaxed circular DNA is in figure of eight structure, and one end is arranged in the first pore structure 131 of fixation member 100, and the other end is arranged in locking portion
Second pore structure of part.It is appreciated that anti-DNA releaxed circular DNA is intersection construction between fixation member 100 and locking component.
Obviously, between locking component and mounting hole have certain distance, the distance specifically can according to practical application request come
Setting.
As above, acoustic emission sensor 200 is installed on bearing block 320, fixation member 100 and bearing by fixation member 100
Seat 320 is also bundled by anti-DNA releaxed circular DNA, because anti-DNA releaxed circular DNA is in figure of eight structure, that is to say, that be located at fixation member 100
Anti- DNA releaxed circular DNA between bearing block 320 is cross-shaped, forms opposite torque therebetween, when fixation member 100 loosens,
Locking component will receive opposite torque automatically lock, and equally, when locking superstructure loosening, fixation member 100 be will receive on the contrary
Torque automatically lock, locking component and fixation member 100 formed by locking ring loosen it is self-locking, so as to which sound emission is passed
Sensor 200 is fixed on well on bearing block 320, it can be ensured that when EMU is under high-speed cruising state, voice sending sensor
The fixed effect of device 200 and bearing block 320 prevents acoustic emission sensor 200 from loosening and even falls off, and then ensures voice sending sensor
The detection accuracy of device 200.
In specific scheme, the interconnecting piece 120 of fixation member 100 is with externally threaded bolt structure, correspondingly, bearing
Mounting hole on seat 320 is the internal thread hole cooperated with the external screw thread, and the interconnecting piece 120 of fixation member 100 screws in internal thread hole
And it is fixed with bearing block 320.This kind of fixed connection structure realization is simple and convenient, is also convenient for the replacement and maintenance of fixation member 100.
In specific scheme, locking component is check bolt 400, also has on bearing block 320 and matches with the check bolt 400
The threaded hole of conjunction, check bolt 400 are threadedly connected to bearing block 320, and specifically, the second pore structure is formed in check bolt 400
Head.
Check bolt 400 is detachably connected with bearing block 320, convenient for the replacement and maintenance of check bolt 400.
In specific scheme, anti-DNA releaxed circular DNA is specially locking wire drawing 500, and intensity is high.
In specific scheme, the mounting portion 110 of fixation member 100 includes bottom wall part and the axially extending week along bottom wall part
Wall portion 112, it is clear that extending direction and 120 direction of interconnecting piece of peripheral wall portion 112 are on the contrary, bottom wall part and the formation of peripheral wall portion 112
With open accommodating chamber, acoustic emission sensor 200 is installed on the accommodating chamber；Fixation member 100, which is additionally provided with, blocks opening
Head members, acoustic emission sensor 200 are blocked open by voice sending sensor from after open loading accommodating chamber by head members
Device 200 is fixed in fixation member 100, prevents it from falling off.
Specifically, head members are specially hexagonal socket nut 140, the internal perisporium of the accommodating chamber of mounting portion 110 have with it is interior
The internal screw thread that hex nut 140 cooperates, after acoustic emission sensor 200 is put into accommodating chamber, hexagonal socket nut 140 is tightened in mounting portion
110。
It is appreciated that other kinds of nut also can be selected other than hexagonal socket nut 140.
When specific setting, after hexagonal socket nut 140 is threadedly engaged with mounting portion 110, inner face can be with voice sending sensor
The outer end of device 200 offsets, and acoustic emission sensor 200 is pressed against to the bottom wall part of mounting portion 110, avoids acoustic emission sensor
200 shake in accommodating chamber, influence measurement effect.
More specifically, it is equipped with elastomeric pad, between hexagonal socket nut 140 and acoustic emission sensor 200 to avoid to sound
Emission sensor 200 causes to damage.Foam washer can be selected in elastomeric pad, certainly, when actual setting, other materials also can be selected
Manufactured gasket.
In specific scheme, couplant is equipped between bottom wall part 110 and acoustic emission sensor 200, it will between the two
Gap filling, to ensure the detection quality of acoustic emission sensor 200.
In further embodiment, which is additionally provided with circlip 150, which is embedded in installation
The peripheral wall portion 112 in portion 110, to compress hexagonal socket nut 140, to prevent hexagonal socket nut 140 from loosening.
In specific scheme, the peripheral wall portion 112 of mounting portion 110 also has along its axially extending notch 1121, Ke Yili
Solution, acoustic emission sensor 200 have the connector 240 that connect with external equipment, so as to by the detection signal of acoustic emission sensor 200
It passes, the design of the notch 1121 can make 240 holding of connector of acoustic emission sensor 200 in it, so that at connector 240
It is convenient to be connect with external equipment in exposed state.
In the embodiment, acoustic emission sensor 200 specifically uses piezo-electric crystal acoustic emission sensor, including ceramic bottom board
210, shell 220, piezoelectric chip 230 and connector 240, specifically, shell 220 can be made of stainless steel material.
The frequency range of piezoelectric chip 230 as needed is at 20~1000 kilo hertzs, it will be understood that acoustic emission sensor 200
Frequency selection determined according to the application demand of object to be detected.
For the monitoring of the bearing arrangement of EMU, the sensor of specific optional 150KHz and 300KHz frequency.
In the embodiment, the fault detection system of bearing arrangement includes acoustic emission sensor 200 and acquisition analysis system
700, wherein acoustic emission sensor 200 is fixedly installed in the bearing block 320 of bearing arrangement 310, the mounting device of the two institute as above
It states, the connector 240 and acquisition analysis system 700 of acoustic emission sensor 200 communicate to connect.
Specifically, it is also connected between the connector 240 and acquisition analysis system 700 of acoustic emission sensor 200 and is amplified by signal
Device 600 after the signal that acoustic emission sensor 200 acquires first passes through the enhanced processing of signal amplifier 600, is resent to acquisition point
Analysis system 700.
The fault detection system of mounting device to sensor provided by the present invention and detection part and bearing arrangement above
System is described in detail.It is used herein that a specific example illustrates the principle and implementation of the invention, with
The explanation of upper embodiment is merely used to help understand method and its core concept of the invention.It should be pointed out that being led for this technology
For the those of ordinary skill in domain, without departing from the principle of the present invention, can also to the present invention carry out it is several improvement and
Modification, these improvements and modifications also fall within the scope of protection of the claims of the present invention.
Claims (11)
1. the mounting device of sensor and detection part, which is characterized in that including fixation member, one end of the fixation member is set
There is the mounting portion for installing the sensor, the other end of the fixation member is equipped with interconnecting piece；The mounting portion and the connection
Portion is connected by transition part, and the transition part has the first pore structure through it；The detection part has mounting hole, described
Fixation member is fixed on the mounting hole by the interconnecting piece, and the detection part is fixedly provided with locking component, described locking
Component has the second pore structure；
It further include the anti-DNA releaxed circular DNA in the figure of eight, one end of the anti-DNA releaxed circular DNA is arranged in first pore structure, and the other end is arranged in
Second pore structure.
2. the mounting device of sensor according to claim 1 and detection part, which is characterized in that the interconnecting piece has
External screw thread, the mounting hole are the internal thread hole cooperated with the interconnecting piece.
3. the mounting device of sensor according to claim 1 and detection part, which is characterized in that the locking component is
Bolt, head have the second pore structure；The detection part has the threaded hole cooperated with the bolt.
4. the mounting device of sensor according to claim 1 and detection part, which is characterized in that the anti-DNA releaxed circular DNA is specific
For locking wire drawing.
5. the mounting device of sensor according to claim 1-4 and detection part, which is characterized in that the peace
Dress portion includes bottom wall part and the peripheral wall portion axially extending along the bottom wall part, and the bottom wall part and the peripheral wall portion form open
Accommodating chamber, the sensor are installed on the accommodating chamber；The mounting device further includes the head members for blocking the accommodating chamber.
6. the mounting device of sensor according to claim 5 and detection part, which is characterized in that the head members tool
Body is nut, and the internal perisporium of the accommodating chamber has the internal screw thread cooperated with the nut.
7. the mounting device of sensor according to claim 6 and detection part, which is characterized in that further include positioned at described
Circlip on the outside of nut, the circlip are embedded in the peripheral wall portion to compress the nut.
8. the mounting device of sensor according to claim 5 and detection part, which is characterized in that the sensor and institute
It states and is additionally provided with couplant between bottom wall part, and/or, elastic washer is equipped between the sensor and the head members.
9. the mounting device of sensor according to claim 5 and detection part, which is characterized in that the peripheral wall portion also has
Have along its axially extending notch, so that the connector of the sensor can be placed in the notch.
10. the fault detection system of bearing arrangement is used for EMU, including sensor and acquisition analysis system, the sensor
It is fixedly installed in the bearing arrangement, which is characterized in that the sensor and the bearing arrangement are any by claim 1-9
Mounting device installation described in.
11. fault detection system according to claim 10, which is characterized in that the sensor is specially voice sending sensor
Device, the mounting hole and the locking component are specifically set to the bearing block of the bearing arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910031119.8A CN109738527B (en) | 2019-01-14 | 2019-01-14 | Sensor and detection member mounting device and bearing device failure detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910031119.8A CN109738527B (en) | 2019-01-14 | 2019-01-14 | Sensor and detection member mounting device and bearing device failure detection system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109738527A true CN109738527A (en) | 2019-05-10 |
| CN109738527B CN109738527B (en) | 2021-06-25 |
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ID=66364628
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910031119.8A Active CN109738527B (en) | 2019-01-14 | 2019-01-14 | Sensor and detection member mounting device and bearing device failure detection system |
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| CN109738527B (en) | 2021-06-25 |
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