CN207832107U - The check device of air spring wire loop position - Google Patents
The check device of air spring wire loop position Download PDFInfo
- Publication number
- CN207832107U CN207832107U CN201820337849.1U CN201820337849U CN207832107U CN 207832107 U CN207832107 U CN 207832107U CN 201820337849 U CN201820337849 U CN 201820337849U CN 207832107 U CN207832107 U CN 207832107U
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- wire loop
- permanent magnet
- air spring
- clamping apparatus
- sensor
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Abstract
The utility model is related to a kind of check devices of air spring wire loop position, belong to field of non destructive testing.Air spring wire loop position off-set phenomenon can be checked.The utility model is made of motion-control module, wire loop magnetic field excitation and distribution module, weak magnetic signal processing module etc..Wherein motion-control module can be such that integral device is run according to requirement on stable；Wire loop magnetic field excitation and distribution module, which can be realized, surveys the side magnetization frontier inspection of wire loop；Weak magnetic signal processing module can be analyzed and handled to the magnetic signal detected.The inspection to air spring wire loop position may be implemented by the mutual cooperation between module.Advantage is：Detection mode is novel, it can be achieved that detection under actual condition, detection sensitivity is high, can accurately check the position of wire loop.
Description
Technical field
The utility model is related to field of non destructive testing, more particularly to a kind of detector for magnetic field based on electromagnetic sensor,
A kind of espespecially check device of air spring wire loop position.Deviate for bullet train air spring wire loop position online
Detection.
Background technology
In recent years, High Speed Train in China develops rapidly, and Some Key Technologies have reached world lead level.High ferro at
It therefore to ensure safety and stability of the bullet train under high-speed cruising, is needed for one of the major way of people's trip
Design the influence that good locomotive suspension reduces Vehicular vibration.Air spring is as Chinese Industrial Standards (CIS) EMU secondary suspension system
One of the critical component of system and the most important suspension parts of other hot-shorts, workmanship and quality are to improving vehicle
Running stability play decisive role.
The air spring of bullet train equipment uses the mode of pressure self-sealing, and operation principle mainly relies on capsule
The pressure of internal compressed air pushes down capsule lower end, so the air-tightness quality of air spring directly determines its working condition
Quality, and the wire loop in air spring be ensure the good key position of air-tightness.However, wire loop because manufacture dislocation or
It is squeezed in work operational process and deviates the center of circle and make bullet train air spring seal is not tight in the process of running, lead to high pressure gas
Body is revealed and disabler, causes locomotive vibration even unbalance, may cause that major accident occurs during high-speed cruising.Thus
As it can be seen that the wire loop off-set phenomenon in the air spring that has assembled must be detected, avoid that accident occurs.
The On line inspection of air spring wire loop position lacks a kind of detection method of effective science at present, and staff one
As visually, hand touches and carries out preliminary simple experience with wiping liquid soap etc. means and test, and can not accurately determine air
Whether spring steel wire coil produces offset；And the air spring assembled, because of the limitation of train inner space, large and medium-sized is lossless
The devices such as testing equipment such as X-ray can not install and on-line checking, it is difficult to exclude security risk caused by wire loop deviates.But
China Today high ferro develops under swift and violent overall background, and the air spring wire loop that train has assembled, which deviates, checks no margin for error.It is comprehensive
On, for ensure high ferro safe operation, active demand develop it is a kind of can detect wire loop position whether shift it is online lossless
Detection device.
Invention content
The purpose of this utility model is to provide a kind of check devices of air spring wire loop position, solve existing skill
The above problem existing for art.The utility model has the spy of magnetic conductivity according to air spring assembly space and its wire loop structure
Point creatively proposes the micro-magnetic detection method encouraged based on electromagnet, according to changes of magnetic field information effectively On line inspection
The position of wire loop obtains wire loop offset parameter and state, and then judges the safety of air spring.This practicality is new
After type is magnetized detection position using permanent magnet, wire loop and reinforcing bar, permanent magnet etc. is made to form magnetic loop, wire loop generation position
When deviation, the Distribution of Magnetic Field of near sites is deviateed in magnetic loop to change, using the electromagnetic sensings such as Hall, GMR, TMR
Device detects the variation of magnetic signal, further obtain wire loop parameter and state, solve magnetic signal it is faint be difficult to it is effective
The problem of detection.The utility model motion-control module carries the side that detection device moves on rubber guide rail using carrier loader
Formula does not need external power source；Bayonet unit is housed on rubber guide rail, facilitates peace installation and dismantling of the guide rail in actual condition
It unloads.The high-precisions electromagnetic sensor such as Hall, GMR, TMR is used in the utility model weak magnetic signal processing module, improves dress
Set the sensitivity of detection；Lock-in amplifier is used, the signal detected can be filtered and enhanced processing, convenient for signal
Subsequent analyzing processing.The utility model is similar complicated shape, the magnetic conductive metal structure of narrow space or product provide
A kind of non-destructive testing new approaches.
The above-mentioned purpose of the utility model is achieved through the following technical solutions：
The check device of air spring wire loop position, including motion-control module, wire loop magnetic field excitation and distributed mode
Block, weak magnetic signal processing module.Wire loop magnetic field excitation and distribution module are fixed in motion module, by motion-control module band
It moves it and does complete circular motion around air spring, realize the signal acquisition to entire air spring wire loop.Weak magnetic signal
Processing module is structurally independent from wire loop magnetic field excitation and distribution module and motion-control module, is mainly responsible for wire loop
The signal of magnetic field excitation and analysis module acquisition is handled and is analyzed.
The motion-control module includes carrier loader 6, guide rail 4, is equipped with bayonet unit on the guide rail 4, when fastening
Guide rail 4 is held against with air-spring bellows diameter maximum；The carrier loader 6 is power source with motor A, B18,25, small
Fixation is bolted in chassis A, B, C28,29,32, and shape matches with guide rail 4, constitutes the main body of carrier loader
Part；Be mounted with spring A, B, C13,14,22 on carrier loader 6, spring A, B, C13,14,22 lower end be separately fixed at trolley
On chassis A, B, C28,29,32, upper end is fixed on permanent magnet clamping apparatus A, B, on C5,9,10；
The wire loop magnetic field excitation and distribution module are：Reinforcing bar A, B12, be fixedly connected on 21 permanent magnet clamping apparatus A, B,
The clamp of sensor of C5,9,10 8 and electromagnetic sensor 31, the permanent magnet clamping apparatus A, B, C5,9,10 place respectively permanent magnet A, B,
C30、33、34；
The weak magnetic signal processing module is：Electromagnetic sensor 31 is connected with power supply and lock-in amplifier respectively, and locking phase is put
Big device is connected with computer.
The guide rail 4 uses rubber material, the spring A, B, C13,14,22 to be made using copper product.
The reinforcing bar A, B12,21 penetrate permanent magnet clamping apparatus A, B, C5,9,10, the through-hole on clamp of sensor 8 consolidated
Be linked to be an entirety, permanent magnet clamping apparatus A, C5,10 position at reinforcing bar A, B12,21 both ends, permanent magnet clamping apparatus B9 reinforcing bar A,
B12,21 point midway, the position of clamp of sensor 8 is between permanent magnet clamping apparatus B, C9,10, and two permanent magnet clamping apparatus of distance
B, C9,10 are apart from equal；Electromagnetic sensor 31 is placed in the empty slot of clamp of sensor 8, and permanent magnet A, B, C30,33,34 are distinguished
Be placed on permanent magnet clamping apparatus A, B, C5,9,10 empty slot in.
Electromagnetic sensor 31 in the weak magnetic signal processing module is using Hall sensor, GMR, TMR sensor.
The beneficial effects of the utility model are：
1, motion-control module uses carrier loader and carries the mode that check device moves on rubber guide rail, solves
Check the condition that equipment need to work under the smaller operating mode in investigation space.
2, motion-control module is connect by spring with wire loop magnetic field excitation and distribution module, ensure that detection device
With the close contact of detection position.
3, the micro-magnetic detection method encouraged based on electromagnet is used, according to changes of magnetic field information effectively On line inspection steel
The position of wire ring obtains wire loop offset parameter and state, and then judges the safety of air spring solve micro- magnetic
Signal is difficult to the problem of detecting.
4, whole to be all made of the lower material of magnetic conductivity, reduce the interference to electromagnetic signal.
5, the reinforcing bar for using annular linking arm, constitutes magnetic loop, enhances magnetic signal, and ensure that three fixtures are same
Step operation, realize magnetization with detect while carry out, enable the utility model proposes detection means smoothly implement.
6, the electromagnetic sensors such as GMR, TMR are used, transducer sensitivity is high, improves the accuracy of detection of device.
Description of the drawings
Attached drawing described herein is used to provide a further understanding of the present invention, and is constituted part of this application,
The illustrative example and its explanation of the utility model do not constitute the improper limit to the utility model for explaining the utility model
It is fixed.
Fig. 1 is the overall structure axonometric schematic diagram of the utility model；
Fig. 2 is the local axonometric schematic diagram of the utility model；
Fig. 3 is the local overlooking schematic diagram of the utility model；
Fig. 4 is the wire loop magnetic loop figure of the utility model；
Fig. 5 is the principles of the present invention block diagram.
In figure：1, air spring；2, air spring upper cover；3, air spring rubber air chamber；4, guide rail；5, permanent magnet clamping apparatus
A；6, carrier loader；7, sleeve A；8, clamp of sensor；9, permanent magnet clamping apparatus B；10, permanent magnet clamping apparatus C；11, casing B；12, steel
Muscle A；13, spring A；14, spring B；15, cannula C；16, trolley driving wheel A；17, trolley driving wheel B；18, motor A；19, universal
Take turns A；20, universal wheel B；21, reinforcing bar B；22, spring C；23, trolley driving wheel C；24, trolley driving wheel D；25, motor B；26、
Universal wheel C；27, universal wheel D；28, dolly chassis A；29, dolly chassis B；30, permanent magnet A；31, electromagnetic sensor；32, trolley
Chassis C；33, permanent magnet B；34, permanent magnet C.
Specific implementation mode
The detailed content and its specific implementation mode of the utility model are further illustrated below in conjunction with the accompanying drawings.
Shown in Fig. 1 to Fig. 5, the check device of the air spring wire loop position of the utility model, including movement control
Molding block, wire loop magnetic field excitation and distribution module, weak magnetic signal processing module.Wire loop magnetic field excitation and distribution module are fixed
In motion module, drives it to do complete circular motion around air spring 1 by motion-control module, realize to entire air
The signal acquisition of spring steel wire coil.Weak magnetic signal processing module be structurally independent from wire loop magnetic field excitation and distribution module and
Motion-control module is mainly responsible for and the signal of wire loop magnetic field excitation and analysis module acquisition is handled and analyzed.
The motion-control module includes carrier loader 6, guide rail 4, is equipped with bayonet unit on the guide rail 4, when fastening
Guide rail 4 is held against with air-spring bellows diameter maximum；The carrier loader 6 is power source with motor A, B18,25, small
Fixation is bolted in chassis A, B, C28,29,32, and shape matches with guide rail 4, constitutes the main body of carrier loader
Part；Be mounted with spring A, B made of copper wire, C13,14,22 on carrier loader 6, spring A, B, C13,14,22 lower end point
It is not fixed on dolly chassis A, B, on C28,29,32, upper end is fixed on permanent magnet clamping apparatus A, B, on C5,9,10；
The wire loop magnetic field excitation and distribution module include permanent magnet A, B, C30,33,34, electromagnetic sensor 31, permanent magnetism
The reinforcing bar A, B12, body fixture A, B, C5,9,10, clamp of sensor 8, reinforcing bar A, B12,21 are fixedly connected with permanent magnet folder on 21
Permanent magnetism is placed in tool A, B, C5,9,10, clamp of sensor 8 and electromagnetic sensor 31, the permanent magnet clamping apparatus A, B, C5,9,10 respectively
Body A, B, C30,33,34；
The weak magnetic signal processing module is：Electromagnetic sensor 31 is connected with power supply and lock-in amplifier respectively, and locking phase is put
Big device is connected with computer.
The motion-control module is used as power source using motor A, B18,25, does not need external power supply；Guide rail 4 is adopted
With rubber material, and bayonet unit is installed, is provided a convenient with dismounting for the installation of guide rail, while rubber material magnetic conductivity
It is low, avoid the interference to wire loop magnetic signal；The mechanical characteristic of the spring A, B, C13,14,22 can be such that permanent magnet presss from both sides
Tool is held against with detection position, ensure that electromagnetic sensor 14 can detect the faint magnetic signal of wire loop constantly, meanwhile,
Spring is made using the low copper product of magnetic conductivity, avoids the interference to magnetic signal.
The reinforcing bar A, B12,21 penetrate permanent magnet clamping apparatus A, B, C5,9,10, the through-hole on clamp of sensor 8 consolidated
Be linked to be an entirety, permanent magnet clamping apparatus A, C5,10 position at reinforcing bar A, B12,21 both ends, permanent magnet clamping apparatus B9 reinforcing bar A,
B12,21 point midway, the position of clamp of sensor 8 is between permanent magnet clamping apparatus B, C9,10, and two permanent magnet clamping apparatus of distance
B, C9,10 are apart from equal；Electromagnetic sensor 31 is placed in the empty slot of clamp of sensor 8, and permanent magnet A, B, C30,33,34 are distinguished
Be placed on permanent magnet clamping apparatus A, B, C5,9,10 empty slot in.In device checking process, permanent magnet A, B, C30,33,34 by its
Neighbouring wire loop magnetization, makes permanent magnet A, B, C30,33,34, reinforcing bar A, B12,21, wire loop etc. collectively constitute magnetic loop,
When wire loop generation position deviates, deviateing the Distribution of Magnetic Field situation of near sites can change, can using electromagnetic sensor 8
To detect this magnetic signal variation, further determines that the location parameter and state of wire loop, determine whether wire loop position is sent out
Deviation is given birth to.
Electromagnetic sensor 31 in the weak magnetic signal processing module is carried using Hall sensor, GMR, TMR sensor
The sensitivity of high device detection.After electromagnetic sensor 31 detects magnetic signal, it is sent to lock-in amplifier, signal passes through locking phase
Amplifier filters and is admitted to the ends PC again after enhanced processing, uses corresponding software to carry out analyzing processing to signal on computers.
Embodiment：
The air spring of bullet train equipment uses the mode of pressure self-sealing, and the operation principle of this mode is mainly
Capsule lower end is pushed down by the pressure of capsule compressed air, so the air-tightness quality of air spring directly determines it
The quality of working condition, and the wire loop on air spring is to ensure the good key position of air-tightness.Can wire loop can because system
It makes in dislocation or work operational process and deviates the center of circle and make bullet train air spring seal is not tight in the process of running, lead to height
Gas leakage and disabler are pressed, causes locomotive vibration even unbalance, may cause that major accident occurs during high-speed cruising.
It can be seen that, it is necessary to the wire loop off-set phenomenon in the air spring that has assembled is detected, avoids that accident occurs.
To sum up, inspection task is completed to air spring wire loop position, needs to solve the problems, such as follows：
1. existing vehicle can use investigation space smaller, while also can not completely unload air spring and check.
2. current five big conventional non-destructive testing modes can not be applicable in this case.
3. although influence is extremely serious caused by the shift phenomenon of air spring, this offset is more small, selection
After suitable detection mode, the accuracy of detection for how improving equipment reaches the offset for being enough to find wire loop.
4. how to carry out Correct Analysis and processing to collected signal, external interference signal is excluded, testing result is obtained.
Following invention, bullet train air spring wire loop position inspection described in the utility model are proposed regarding to the issue above
It looks into device and uses a kind of detection mode based on electromagnetic sensor, bullet train air spring steel wire described in the utility model
Circle device for detecting positions is made of motion-control module, wire loop magnetic field excitation and distribution module, weak magnetic signal processing module etc.,
Solves technical problem above.Wherein motion-control module can be such that integral device is run according to requirement on stable；Steel wire
Circle magnetic field excitation and distribution module, which can be realized, surveys the side magnetization frontier inspection of wire loop；Weak magnetic signal processing module can be to detecting
Magnetic signal analyzed and handled.The inspection to air spring wire loop position may be implemented by the mutual cooperation between module
It looks into.Detection mode is novel, it can be achieved that detection under actual condition, detection sensitivity is high, can accurately check the position of wire loop.
The utility model is also similar complicated shape, the equipment non-destructive testing of narrow space provides a kind of new approaches and combines this practicality
Novel operation principle, is described in detail as follows each section：
One, motion-control module
The motion-control module of air spring wire loop device for detecting positions described in the utility model is divided into three parts：
1. carrier loader part
Referring to Fig. 2 and Fig. 3, carrier loader is by dolly chassis A, B, C（28、29、32）, trolley driving wheel A, B, C, D（16、
17、23、24）, universal guide wheel A, B, C, D（19、20、26、27）, motor A, B（18、25）Composition.Dolly chassis A, B, C（28、
29、32）For acrylic board.Trolley driving wheel A, B, C, D（16、17、23、24）, universal guide wheel A, B, C, D（19、20、26、27）
It is separately mounted to dolly chassis A, B, C（28、29、32）Bottom, carrier loader is whole by motor A, B（18、25）Driving, is not required to
External power supply is wanted, the precondition of automatic detection is met.6 bottom of carrier loader is formed by connecting by three acrylic boards,
And its shape and the shape of guide rail 4 match, and can ensure that carrier loader 6 limits on the track 4 of rubber material according to guide rail
Track movement.
2. rail sections
As shown in fig.1, guide rail 4 is made of rubber, avoid generating magnetic signal to detection signal generation interference, rubber guide rail
It can be held against in air-spring bellows section diameter maximum, while bayonet unit being installed on rubber guide rail, in practical behaviour
In work, after guide rail is mounted on air-spring bellows section diameter maximum, installation position is fixed in using bayonet unit
It sets, this mounting means is that the stable operation of single unit system provides the foundation.
3. spring section
As shown in fig.2, spring A, B, C（13、14、22）It is made of copper product, avoids magnetic signal to detecting signal
Interference.Spring A, B, C（13、14、22）Top and permanent magnet clamping apparatus A, B, C（5、9、10）Be close to, lower part by sleeve A,
B、C（6、11、15）It is fixed on dolly chassis A, B, C（28、29、32）On, spring A, B, C (13,14,22）Pass through this connection side
Formula can ensure that wire loop magnetic field excitation and distribution module can be held against with detection position.
Two, wire loop magnetic field excitation and distribution module
Shown in Fig. 2 and Fig. 3, the wire loop magnetic field excitation and distribution module by permanent magnet A, B, C (30,33,
34), electromagnetic sensor 31, permanent magnet clamping apparatus A, B, C (5,9,10), clamp of sensor 8, the compositions such as reinforcing bar A, B12,21.Reinforcing bar
A、B（12,21) by penetrate permanent magnet clamping apparatus A, B, C（5、9、10）And four fixtures are connected by the through-hole on clamp of sensor 8
At an entirety, permanent magnet clamping apparatus A, C（5、10）Position in reinforcing bar A, B（12、21）Both ends, permanent magnet clamping apparatus B9 is in reinforcing bar
A、B（12、21）Point midway, the position of clamp of sensor 8 between permanent magnet clamping apparatus B, C910, and two permanent magnet of distance press from both sides
Have B, C apart from equal.Permanent magnet clamping apparatus A, B, C（5、9、10）It is all made of un-conducted magnetic material with clamp of sensor 8 to be made, keep away
Exempt from the interference of other magnetic signals, meanwhile, air spring upper cover（2）It is also un-conducted magnetic material.Permanent magnet clamping apparatus A, B, C（5、9、
10）Inside is all useful for placing permanent magnet A, B, C（30、33、34）Empty slot, be useful for inside clamp of sensor 8 placing electromagnetism
The empty slot of sensor 31 is also useful for inside clamp of sensor 8 in addition to empty slot across connection sensor and lock-in amplifier
String holes.The sensor of the high sensitivities such as GMR, TMR can be used in electromagnetic sensor 31, improves the sensitivity of device detection.
Refering to Fig. 4, in the wire loop magnetic field excitation and distribution module, the micro- magnetic inspection encouraged based on electromagnet is used
Survey method, according to the position of changes of magnetic field information effectively On line inspection wire loop.In detection process, permanent magnet A, B, C（30、
33、34）By the wire loop magnetization near its at that time present position, make permanent magnet A, B, C（30、33、34）, reinforcing bar A, B（12、
21）, wire loop etc. collectively constituted magnetic loop, when wire loop generation position deviates, deviate the Distribution of Magnetic Field feelings of near sites
Condition can change, and can detect that this magnetic signal changes using electromagnetic sensor 31, further determine that the position of wire loop
Parameter and state, determine whether wire loop position is deviateed.
Three, weak magnetic signal processing module
Refering to Fig. 5, the detection mode that air spring wire loop check device described in the utility model uses is based on electricity
The micro-magnetic detection method of magnet excitation.
First, three pieces of permanent magnets in permanent magnet clamping apparatus magnetize wire loop, can generate magnetic signal.And quilt simultaneously
It is magnetized to have equally distributed stud and aluminium sheet near wire loop.Can aluminium be not ferrous metal, non-magnetic, it is to permanent magnet to steel
The magnetic history of wire ring and the detection process of magnetic induction intensity will not have an impact.Although and bolt magnetic conduction, they uniformly
Distribution and uniform specification, therefore its influence to magnetization and detection process can be by detected the experiment of standard component.Therefore
Will not all interference be generated to the magnetic signal that wire loop generates.
Secondly, the wire loop magnetic field excitation of air spring check device described in the utility model and distribution module are by reinforcing bar
An entirety is connected into, while wire loop is magnetized, the GMR sensor in clamp of sensor can be detected simultaneously by wire loop
Magnetic signal, and this magnetic signal is sent into lock-in amplifier, after filtered by lock-in amplifier and give again with the signal after enhanced processing
Enter computer terminal.Then, the movement by carrier loader on rubber guide rail, device enters the inspection of next section of wire loop, real
Show side magnetization frontier inspection to survey.
Finally, after computer terminal carries out analyzing processing using related software to the signal detected, by this signal and steel
The wire ring position signal that device detects under normal circumstances is compared, and the position in wire loop malposition area is found out.
Shown in Fig. 1 to Fig. 5, the course of work of the utility model is as follows：
Line is carried out to detection device first.The huge Magnetic Sensors of GMR are fixed in fixture, its power supply lead wire is connected on 5V
DC power supply on, output signal lead connects lock-in amplifier by BNC connector；Lock-in amplifier connects power amplifier；
Last power amplifier connection computer realizes that detection signal is transmitted to the ends PC.Then rubber guide rail is fixed on to the conjunction of air spring
Right position is set provides moving line to carrier loader.Holder part is mounted on carrier loader again later.Carrier loader passes through straight
Galvanic electricity machine drives, and output power enables entire detection device with trolley orbiting；During moving of car on trolley
Spring top clamping fixture realize fixture and air spring wire loop close contact；Reduce the noise of data acquisition.GMR is detected
Process is that the permanent magnet inside fixture is completed to magnetize by electromagnetic induction principle to air spring wire loop first；Simultaneously mounted in folder
Magnetic field signal near the GMR giant magnetoresistances acquisition of tool the inside, collected signal pass to lock-in amplifier by shielding line, lock
Phase amplifier connects computer, is realized to collected magnetic field signal synchronous imaging, can also will be adopted by labview in computer end
Collection is beaten data and is achieved, in order to the subsequent processing to data.
The foregoing is merely the preferred embodiments of the utility model, are not intended to limit the utility model, for ability
For the technical staff in domain, various modifications and changes may be made to the present invention.It is all to made by the utility model it is any modification,
Equivalent replacement, improvement etc., should be included within the scope of protection of this utility model.
Claims (4)
1. a kind of check device of air spring wire loop position, it is characterised in that：Including motion-control module, wire loop magnetic field
Excitation and distribution module, weak magnetic signal processing module, wire loop magnetic field excitation and distribution module are fixed in motion module, by transporting
Dynamic control module drives it to surround air spring（1）Complete circular motion is done, realizes the letter to entire air spring wire loop
Number acquisition；Weak magnetic signal processing module is structurally independent from wire loop magnetic field excitation and distribution module and motion-control module,
The signal acquired to wire loop magnetic field excitation and analysis module is handled and is analyzed；
The motion-control module includes carrier loader（6）, guide rail（4）, the guide rail（4）On bayonet unit is installed, fasten
When guide rail（4）With air spring rubber air chamber（3）Diameter maximum is held against；The carrier loader（6）With motor A, B（18、
25）For power source, dolly chassis A, B, C（28、29、32）Fixation, and shape and guide rail is bolted（4）Match, group
At the main part of carrier loader；Carrier loader（6）On be mounted with spring A, B, C（13、14、22）, spring A, B, C（13、
14、22）Lower end be separately fixed at dolly chassis A, B, C（28、29、32）On, upper end is fixed on permanent magnet clamping apparatus A, B, C（5、
9、10）On；
The wire loop magnetic field excitation and distribution module are：Reinforcing bar A, B（12、21）On be fixedly connected with permanent magnet clamping apparatus A, B, C（5、
9、10）, clamp of sensor（8）And electromagnetic sensor（31）, described permanent magnet clamping apparatus A, B, C（5、9、10）Permanent magnet is placed respectively
A、B、C（30、33、34）；
The weak magnetic signal processing module is：Electromagnetic sensor（31）It is connected respectively with power supply and lock-in amplifier, locking phase amplification
Device is connected with computer.
2. the check device of air spring wire loop according to claim 1 position, it is characterised in that：The guide rail
（4）Using rubber material, described spring A, B, C（13、14、22）It is made using copper product.
3. the check device of air spring wire loop according to claim 1 position, it is characterised in that：The reinforcing bar A,
B（12、21）Penetrate permanent magnet clamping apparatus A, B, C（5、9、10）, clamp of sensor（8）On through-hole be fixed into an entirety,
Permanent magnet clamping apparatus A, C（5、10）Position in reinforcing bar A, B（12、21）Both ends, permanent magnet clamping apparatus B（9）In reinforcing bar A, B（12、
21）Point midway, clamp of sensor（8）Position in permanent magnet clamping apparatus B, C（9、10）Between, and two permanent magnet clamping apparatus of distance
B、C（9、10）Apart from equal；Electromagnetic sensor（31）It is placed on clamp of sensor（8）Empty slot in, permanent magnet A, B, C（30、
33、34）It is individually positioned in permanent magnet clamping apparatus A, B, C（5、9、10）Empty slot in.
4. the check device of air spring wire loop according to claim 1 position, it is characterised in that：The weak magnetic letter
Electromagnetic sensor in number processing module（31）Using Hall sensor, GMR, TMR sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820337849.1U CN207832107U (en) | 2018-03-13 | 2018-03-13 | The check device of air spring wire loop position |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820337849.1U CN207832107U (en) | 2018-03-13 | 2018-03-13 | The check device of air spring wire loop position |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207832107U true CN207832107U (en) | 2018-09-07 |
Family
ID=63398828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820337849.1U Expired - Fee Related CN207832107U (en) | 2018-03-13 | 2018-03-13 | The check device of air spring wire loop position |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207832107U (en) |
-
2018
- 2018-03-13 CN CN201820337849.1U patent/CN207832107U/en not_active Expired - Fee Related
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