CN106841653A - A kind of locomotive tach signal shaft end output intent and device - Google Patents
A kind of locomotive tach signal shaft end output intent and device Download PDFInfo
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- CN106841653A CN106841653A CN201710197367.0A CN201710197367A CN106841653A CN 106841653 A CN106841653 A CN 106841653A CN 201710197367 A CN201710197367 A CN 201710197367A CN 106841653 A CN106841653 A CN 106841653A
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- signal
- generation apparatus
- axle
- signal generation
- locomotive
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P1/00—Details of instruments
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/42—Devices characterised by the use of electric or magnetic means
- G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
- G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
- G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
Abstract
A kind of locomotive tach signal shaft end output intent and device, a signal output axle with axle is flexibly connected is installed in the tested rotating shaft shaft end of locomotive tach signal, drives signal output axle to rotate by being flexibly connected axle during axis of rotation；Signal generation apparatus are installed on signal output axle, drive signal generation apparatus to rotate together when signal output axle is rotated, and signal is provided when rotating；The rotation peripheral side in signal generation apparatus installs signal pickup assembly simultaneously, the signal sent from rotation peripheral side collection signal generation apparatus by signal pickup assembly, the signal that will be gathered again is transported to external equipment, differentiates the operation conditions of rotating shaft according to signal by external equipment.Electric interfaces of the invention and mechanical interface are identical with existing photoelectric sensor, therefore need not transform the structure of locomotive shaft-end and original photoelectric sensor directly can be replaced with into device of the invention.
Description
Technical field
The present invention relates to a kind of detection signal output intent and device, especially a kind of locomotive tach signal shaft end output side
Method and device, belong to detection technique field.
Background technology
In the running of train, it is necessary to which the speed of accurate acquisition currently operation, currently widely used is that photoelectricity turns
Fast sensor detection mode；In photoelectric sensor detection mode, photoelectric sensor is arranged on locomotive shaft-end, using light
The principle that electricity is changed produces electric signal to be tested the speed into locomotive.But photoelectric sensor is high to dust-proof requirement, printing opacity is stayed again
Gap, it is impossible to totally-enclosed, and locomotive is in the process of running, the vibration of wheel set bearing is larger, and electromagnetic interference is more, and photoelectricity turns
Fast sensor is long-term to work in vibration, impact, the environment of interference so that sensor signal is influenceed by serious, easily goes out
Failure, exist passage no signal, lose, the phenomenon such as phase difference is overproof, greatly reduce its reliability, it is impossible to meet existing locomotive outstanding
It is the requirement of testing the speed of EMUs high-speed electric expreess locomotive, it is therefore desirable to by existing photoelectric sensor on motor be substituted for accuracy rate it is high,
Other low detection modes of fault rate, such as Hall sensor, magnetoelectric transducer, magnetoresistive transducer detection mode.
Existing Hall sensor, magnetoelectric transducer, magnetoresistive transducer can not directly replace photoelectric sensor, if
Existing Hall sensor, magnetoelectric transducer, magnetoresistive transducer are installed to the detection dress for being mounted with photoelectric sensor
, it is necessary to carry out larger transformation to existing locomotive axle box end cap in putting, the wasting of resources is caused, it is therefore desirable to develop a kind of energy profit
The detection mode and device of existing photoelectric sensor are replaced with Hall sensor, magnetoelectric transducer, magnetoresistive transducer.
Retrieved by domestic patent, identical patent is not found temporarily, discovery there are Patents, is exemplified below：
1. number of patent application CN201420168713.4, entitled " for the magnetic of non-contact magnetically driven type locomotive speed sensor
The utility model patent of power coupling transmission device " discloses a kind of magnetic force for non-contact magnetically driven type locomotive speed sensor
Coupling transmission device includes active magnet component, is arranged on the cavity inner wall of the magnet holder one end on locomotive axle；It is driven
Magnet component, on the one end for the rotary shaft being arranged in speed detector, and its stretch into the magnet holder cavity in
Into magnetic couple structure, active magnet component and driven magnet part are arranged to three extremely to sextupole pair to active magnet parts group,
Active magnet component includes the active magnet piece being arranged on the cavity inner wall of magnet holder one end and is arranged on adjacent active
Resistance magnetic material block one between magnet piece, driven magnet part includes the driven magnet block and the setting that are arranged on rotary shaft one end
Resistance magnetic material block two between adjacent driven magnet block.Using magnetic couple non-contact magnetically driven type machine of the present utility model
The driving force of car speed probe is good, gathers signal stabilization, tests the speed accurate, effectively prevent the generation that accident is stopped on slope.
2. number of patent application CN201610558692.0, entitled " to install the locomotive of six passage Hall revolution speed transducers additional
The patent of invention of shaft end structure " discloses a kind of locomotive shaft-end structure for installing six passage Hall revolution speed transducers additional, including car
Axle, shaft end gland, toothed disc, protecgulum, bonnet, one positioning through hole for being used for toothed disc of the shaft end gland intermediate distribution, axle
A heavy axletree location hole in the side pressure lid back side, axletree is positioned in the axletree location hole, and shaft end gland is fixed on one with axletree
Rise；The toothed disc front center is provided with the square hole that a supplier falcon component is installed, and the toothed disc back side is centrally disposed to stretch out one section
The locating shaft of shaft end gland, locating shaft is engaged with the toothed disc positioning through hole on the gland of shaft end and positions toothed disc；Before described
Lid side sets the mounting hole of six passage Hall revolution speed transducers, and its mounting surface should ensure six with the distance of protecgulum central axis
The actual induction distance of passage Hall revolution speed transducer, can avoid the interference of sensor and toothed disc again；Six passage photoelectricity turn
Fast sensor is fixed on when on protecgulum front, and the square falcon component of six passage photoelectric sensors is fixed on side's sky of toothed disc
In.
Although above-mentioned patent is directed to the shaft end output of locomotive tach signal, but is still needed to locomotive in file 1
Axle box part carries out transforming the photoelectric sensor that could replace on current locomotive, and file 2 is entirely the transformation to axle box end, because
This needs the method and device that a kind of axle box end cover structure that can not change locomotive just directly replaces photoelectric sensor.
The content of the invention
It is an object of the present invention to be by photoelectric sensor used on current locomotive be substituted for Hall sensor,
Magnetoelectric transducer, magnetoresistive transducer, it is proposed that a kind of locomotive tach signal shaft end that need not change locomotive axle box end cover structure
Output intent and device.
The technology used in the present invention means are：A kind of locomotive tach signal shaft end output intent, in locomotive tach signal
A signal output axle with axle is flexibly connected is installed in tested rotating shaft shaft end, and signal is driven by being flexibly connected axle during axis of rotation
Output shaft rotation；Signal generation apparatus are installed on signal output axle, signal generation apparatus one are driven when signal output axle is rotated
Rise and rotate, signal pickup assembly is installed in the rotation peripheral side of signal generation apparatus, it is circumferential from rotation by signal pickup assembly
The signal that side collection signal generation apparatus are sent, then the signal that will be gathered is by after internal circuit treatment, exporting to outer
Portion's equipment.
Further, described refers to be connected by a flexible cross by be flexibly connected axle to drive signal output axle to rotate
Axle distinguishes connection rotating shaft and signal output axle, and passes through flexible cross connecting shaft and drive signal output axle to rotate, and by signal
Output shaft is drawn out in the recoil simulator housing outside axle box housing；Signal generation apparatus are fixed on signal output the tip of the axis, and
Protected by recoil simulator housing the periphery of signal generation apparatus；Recoil simulator housing is fixed on car axle end cap.
Further, the signal sent from rotation peripheral side collection signal generation apparatus by signal pickup assembly
It is in the peripheral side installation of signal generation apparatus independent Hall sensor, magnetoelectric transducer, magnetoresistive transducer.Passed by Hall
The signal that sensor, magnetoelectric transducer, magnetoresistive transducer are sent from rotation peripheral side collection signal generation apparatus.
Further, the signal pickup assembly is arranged on the recoil simulator housing peripheral side face being connected with axle box end cap
It is interior, take detachable independent installation structure, the probe of signal pickup assembly to be deep into the peripheral side of signal generation apparatus, it is close to
But it is not exposed to signal generation apparatus.
Further, the signal generation apparatus are measure speed gearses or magnetic field emitting devices, measure speed gearses or emission of magnetic field
Device and rotating shaft synchronous rotary, measure speed gearses or magnetic field emitting devices send signal from peripheral side.
A kind of locomotive tach signal shaft end output device, including signal generation apparatus and signal pickup assembly, wherein, signal
Generating means is arranged on signal output axle, and signal output axle is connected to the shaft end of tested rotating shaft by being flexibly connected axle, and leads to
Activity connecting shaft is crossed to drive and tested rotating shaft synchronous rotary；Signal pickup assembly is arranged on recoil simulator housing, positioned at signal
The rotation peripheral side of generating means, from the signal that side collection signal generation apparatus send.
Further, the connecting shaft is flexible cross connecting shaft, and signal generation apparatus are fixed on signal output axle
End, signal pickup assembly is located at the peripheral side of signal generation apparatus, is close to but is not exposed to signal generation apparatus.
Further, signal generation apparatus be measure speed gearses or magnetic field emitting devices, with ensure when rotated can be from side
Send signal.
Further, the periphery of signal generation apparatus is provided with recoil simulator housing and signal generation apparatus is protected, letter
Number device case is the housing of inner hollow, and signal generation apparatus are located in recoil simulator housing, one end of recoil simulator housing
It is the plane fixed with axle box end cap, planar central has the axis hole passed through for signal output axle, and plane periphery has for fixing
In the connecting screw hole of axle box end cap, the position relative set of screw wherein on the position of connecting screw hole and axle box end cap；Signal is filled
The lateral aperture that the side of housing has more than one for fixed signal harvester is put, the periphery of lateral aperture is provided with fixing threaded hole
One.
Further, signal pickup assembly is that Hall sensor and its cable, magnetoelectric transducer and its cable or magnetic resistance are passed
Sensor and its cable etc..
Further, signal pickup assembly is dismountable absolute construction, and fixed seat protection is with outward, and fixed seat includes fixed
Position block and shell, one end top of locating piece is the arc-shaped of indent, there is more than one mounting hole, sensor on arc-shaped face
Sensing element be separately positioned in each mounting hole, assemble post-positioning block arc-shaped part go deep into connecting seat, sensing unit
Near signal generation apparatus, when sensing element is for multiple, the equidistant induced signal of each sensing element the sensitive surface of part occurs
The signal intensity that device rotational band is come；The other end of locating piece has the through hole connected with mounting hole, each sensing element institute band
Cable extends out past through hole and is connected with internal processing circuitry from mounting hole, is connected with external equipment by sensor cable.
Further, one end that locating piece has through hole is located in shell, and the end face of shell has the cable passed through for cable
Hole, the cable of sensing element processes, is then passed through the line of shell through processing of circuit plate in locating piece after being stretched out from the through hole of locating piece
Externally connected processing equipment behind cable hole；There is fixed spiral shell corresponding with the fixing threaded hole one of connecting seat lateral opening the periphery of shell
, be fixed on induction of signal transmission assembly on connecting seat by shell by hole two.
Further, locating piece is made up of the material with insulation effect, such as plastics, bakelite.
Beneficial effects of the present invention：
1. electric interfaces of the invention and mechanical interface are identical with existing photoelectric sensor, therefore do not need transformation apparatus
The structure of axle box end cap and original photoelectric sensor directly can be replaced with into device of the invention.
2. signal generation apparatus of the invention are not directly installed in the rotary shaft of locomotive, are grasped during substitution photoelectric sensor
Make simpler.
3. signal generation apparatus of the invention and signal pickup assembly separately design and installation, and generally signal pickup assembly
It is more convenient when being comparatively easily damaged, therefore changing.
4. the air gap of sensor is fixed after present invention assembling, will not be changed when installing at the scene, it is not necessary to adjusted temporarily
Examination, thus install simpler, save it is artificial, improve efficiency.
Brief description of the drawings
Fig. 1 is overall schematic of the present invention；
Fig. 2 is present invention entirety schematic front view；
Fig. 3 is present invention entirety schematic cross-sectional view；
Fig. 4 is signal generation of the present invention point schematic diagram；
Fig. 5 is signal generation of the present invention point schematic front view；
Fig. 6 is signal generation of the present invention point elevational schematic view；
Fig. 7 is signal generation of the present invention point schematic top plan view；
Fig. 8 is signal acquisition part of the present invention schematic diagram；
Fig. 9 is signal acquisition part of the present invention schematic front view；
Figure 10 is signal acquisition part of the present invention left view schematic diagram；
Wherein：1. connecting shaft, 2. signal output axle, 3. signal generation apparatus, 31. recoil simulator housings, 32. planes, 33. connections
Screw, 34. lateral apertures, 35. circular covers, 36. is raised, 37. fixing threaded holes one, 4. signal pickup assembly, 40. locating pieces,
41, mounting hole, 42, through hole, 46. shells, 47. fixing threaded holes two, 48. cable holes, 49. processing of circuit plates.
Specific embodiment
The present invention is further described below in conjunction with the accompanying drawings.
Embodiment one
As shown in Fig. 1-Figure 10, a kind of locomotive tach signal shaft end output device, including signal generation apparatus 3 and signal acquisition dress
Put 4, wherein, signal generation apparatus 3 be arranged on signal output axle 2 on, signal output axle 2 by be flexibly connected axle 1 be connected to by
The shaft end of rotating shaft is surveyed, and is driven and tested rotating shaft synchronous rotary by being flexibly connected axle 1；Signal pickup assembly is filled installed in signal
Put on housing 31, positioned at the rotation peripheral side of signal generation apparatus 3, from the signal that side collection signal generation apparatus 3 send.
Further, the connecting shaft 1 is flexible cross connecting shaft 1, and its model is matched with the size of wheel shaft borehole jack, made
Signal output axle 2 is more flexible in the installation of locomotive shaft-end, is filled to signal generation apparatus 3 and signal acquisition when slow down locomotive vibration
Put the abrasion for bringing.
Further, signal generation apparatus 3 are fixed on the end of signal output axle 2, and signal pickup assembly 4 is located at signal hair
The rotation peripheral side of generating apparatus 3, is close to but is not exposed to signal generation apparatus 3.
Further, signal generation apparatus 3 are measure speed gearses.
Further, the periphery of signal generation apparatus 3 is provided with recoil simulator housing 31 and signal generation apparatus 3 is protected
Shield, recoil simulator housing 31 is the housing of inner hollow, and signal generation apparatus 3 are located in recoil simulator housing 31, recoil simulator
One end of housing 31 is the plane 32 fixed with axle box end cap, and there is the axis hole passed through for signal output axle 2 at the center of plane 32, is put down
Face 32 centrally along raised 36 stretched out inside oriented recoil simulator housing 31 around axis hole, after signal output axle 2 is passed through from axis hole
Beyond raised 36, signal generation apparatus 3 are enclosed within connecting shaft 1 rear one side from recoil simulator housing 31 near raised 36, another
Face nut etc. is fixed on signal output axle 2；There is the connecting screw hole 33 for being fixed on axle box end cap the periphery of plane 32, wherein connecting
Connect the position of screw 33 and the position relative set of screw on axle box end cap；The other end of recoil simulator housing 31 has circular cover
35, after signal output axle 2 is fixed on connecting shaft 1 by axis hole, signal generation apparatus 3, circular cover 35 is consolidated using screw
It is scheduled on recoil simulator housing 31；There is a lateral aperture for fixed signal harvester 4 side of recoil simulator housing 31,
The periphery of lateral aperture is provided with fixing threaded hole 1.
Further, the interface of recoil simulator housing 31 and existing photoelectric sensor coincide, thus with the peace of shaft end
Assembling structure is matched completely, and shaft end can just be mounted directly the present apparatus without transformation.
Further, signal pickup assembly 4 is the Hall sensor and its cable of exportable six road signal.
Further, signal pickup assembly 4 is dismountable absolute construction, including locating piece 40 and shell 46, locating piece
40 one end top is the arc-shaped of indent, there is the mounting hole 41 of three on arc-shaped face, and hall sensing element is separately positioned on
In each mounting hole 41, the arc-shaped part for assembling post-positioning block 40 is goed deep into recoil simulator housing 31, the sensing of sensing element
The signal intensity that face is come near signal generation apparatus 3, the equidistant rotational band of induced signal generating means 3 of sensing element；Locating piece
40 other end has the through hole 42 connected with mounting hole 41, the cable of each hall sensing element institute band from mounting hole 41 stretch out through
Through hole 42 is crossed to be connected with external processing apparatus.
Further, one end that locating piece 40 has through hole 42 is located in shell 46, and the end face of shell 46 has logical for cable
The cable hole 48 crossed, in locating piece 40 cable of sensing element from the through hole 42 of locating piece 40 stretch out after through processing of circuit plate 49 at
Manage, be then passed through externally connected processing equipment after the cable hole 48 of shell 46；The periphery of shell 46 has and connecting seat lateral opening
The corresponding fixing threaded hole 2 47 of fixing threaded hole 1, signal pickup assembly is fixed on by recoil simulator housing 31 by shell 46
On.
Further, locating piece 40 is made up of the material with insulation effect, such as plastics, bakelite.
Embodiment two
The present embodiment is identical with the principle of embodiment one, and difference is that the signal generation apparatus 3 of the present embodiment are emission of magnetic field
Device etc..
Signal pickup assembly 4 be one or two, when for two when, in the rotation peripheral side pair of recoil simulator housing 31
Title is provided with two lateral apertures 34 for fixed signal harvester 4, and two signal pickup assemblies 4 are separately mounted to recoil simulator
The lateral aperture 34 of housing 31.
Signal pickup assembly 4 is magnetoelectric transducer and its cable or magnetoresistive transducer and its cable etc..
Mounting hole 41 on the arc-shaped face of locating piece 40 can be one, two or three, and corresponding sensing element can be with
It is one, two or three.
The invention further relates to a kind of locomotive tach signal shaft end output intent, in the tested rotating shaft shaft end peace of locomotive tach signal
A signal output axle 2 with axle 1 is flexibly connected is filled, 2 turns of signal output axle is driven by being flexibly connected axle 1 during axis of rotation
It is dynamic；Signal generation apparatus 3 are installed on signal output axle 2, drive signal generation apparatus 3 to turn together when signal output axle 2 is rotated
It is dynamic, and provide signal when rotating；The rotation peripheral side in signal generation apparatus 3 installs signal pickup assembly 4 simultaneously, by believing
The signal that number harvester 4 is sent from rotation peripheral side collection signal generation apparatus 3, then the signal that will be gathered is in
After portion's processing of circuit, export to external equipment.
Further, described refers to be connected by a flexible cross by be flexibly connected axle 1 to drive signal output axle 2 to rotate
Spindle 1 distinguishes connection rotating shaft and signal output axle 2, and drives signal output axle 2 to rotate by flexible cross connecting shaft 1, and
In the recoil simulator housing 31 that signal output axle 2 is drawn out to outside axle box housing；Signal generation apparatus 3 are fixed on signal output axle
2 end, and signal generation apparatus 3 periphery protected by recoil simulator housing 31；Recoil simulator housing 31 is fixed on axletree end
Cover.
Further, the letter sent from rotation peripheral side collection signal generation apparatus 3 by signal pickup assembly 4
Number it is that independent Hall sensor, magnetoelectric transducer, magnetoresistive transducer is installed in the peripheral side of signal generation apparatus 3.By suddenly
You gather the signal that signal generation apparatus 3 are sent at sensor, magnetoelectric transducer, magnetoresistive transducer from peripheral side is rotated.
Further, the signal pickup assembly 4 is arranged on the lateral aperture of recoil simulator housing 31 being connected with axle box end cap
It is interior, take detachable independent installation structure, the probe of signal pickup assembly that the week of signal generation apparatus 3 is deep into by conducting piece
To side, signal generation apparatus are close to but are not exposed to.
Further, the signal generation apparatus 3 are measure speed gearses or magnetic field emitting devices, measure speed gearses or emission of magnetic field
Device and rotating shaft synchronous rotary, measure speed gearses or magnetic field emitting devices send signal from peripheral side.
As can be seen from the above-described embodiment, the present invention also has the advantages that：
1. electric interfaces of the invention and mechanical interface are identical with existing photoelectric sensor, therefore do not need transformation apparatus
The structure of axle box end cap and original photoelectric sensor directly can be replaced with into device of the invention.
2. signal generation apparatus of the invention are not directly installed in locomotive rotary shaft, during substitution photoelectric sensor
Operation is simpler.
3. signal generation apparatus of the invention and signal pickup assembly separately design and installation, and generally signal pickup assembly
It is more convenient when being comparatively easily damaged, therefore changing.
4. the air gap of sensor is fixed after present invention assembling, will not be changed when installing at the scene, it is not necessary to adjusted temporarily
Examination, thus install simpler, save it is artificial, improve efficiency.
Claims (10)
1. a kind of locomotive tach signal shaft end output intent, it is characterised in that：Installed in the tested rotating shaft shaft end of locomotive tach signal
One signal output axle with axle is flexibly connected, drives signal output axle to rotate during axis of rotation by being flexibly connected axle；In letter
Signal generation apparatus are installed on number output shaft, drive signal generation apparatus to rotate together when signal output axle is rotated, and rotating
When signal is provided；Simultaneously signal generation apparatus rotation peripheral side install signal pickup assembly, by signal pickup assembly from
The signal that rotation peripheral side collection signal generation apparatus are sent, then the signal that will be gathered is after internal circuit is processed,
Export to external equipment.
2. locomotive tach signal shaft end output intent as claimed in claim 1, it is characterised in that：It is described by being flexibly connected axle
It refers to distinguish connection rotating shaft and signal output axle by a flexible cross connecting shaft to drive signal output axle to rotate, and by soft
Property cross connecting shaft drive signal output axle to rotate, and signal output axle is drawn out to the recoil simulator housing outside axle box housing
It is interior；Signal generation apparatus are fixed on signal output the tip of the axis, and the periphery of signal generation apparatus is protected by recoil simulator housing；
Recoil simulator housing is fixed on car axle end cap.
3. locomotive tach signal shaft end output intent as claimed in claim 1, it is characterised in that：It is described by signal pickup assembly
The signal sent from rotation peripheral side collection signal generation apparatus is independent in the peripheral side installation of signal generation apparatus
Hall sensor, magnetoelectric transducer, magnetoresistive transducer, by Hall sensor, magnetoelectric transducer, magnetoresistive transducer from revolution
To the signal that side collection signal generation apparatus are sent.
4. locomotive tach signal shaft end output intent as claimed in claim 3, it is characterised in that：The signal pickup assembly peace
In the recoil simulator housing side hole being connected with axle box end cap, detachable independent installation structure, signal pickup assembly are taken
Probe be deep into the peripheral side of signal generation apparatus, near but be not exposed to signal generation apparatus.
5. locomotive tach signal shaft end output intent as claimed in claim 3, it is characterised in that：The signal generation apparatus are
Measure speed gearses or magnetic field emitting devices, measure speed gearses or magnetic field emitting devices and rotating shaft synchronous rotary, measure speed gearses or magnetic field are sent out
Injection device sends signal from peripheral side.
6. a kind of locomotive tach signal shaft end output device realized described in claim 1, it is characterised in that：Occur including signal
Device and signal pickup assembly, wherein, signal generation apparatus are arranged on signal output axle, and signal output axle is by being flexibly connected
Axle is connected to the shaft end of tested rotating shaft, and is driven and tested rotating shaft synchronous rotary by being flexibly connected axle；Signal pickup assembly is pacified
On recoil simulator housing, positioned at the rotation peripheral side of signal generation apparatus, from side, collection signal generation apparatus send
Signal.
7. locomotive tach signal shaft end output device as claimed in claim 6, it is characterised in that：The connecting shaft is flexible
Cross connecting shaft, signal generation apparatus are fixed on signal output the tip of the axis, and signal pickup assembly is located at signal generation apparatus
Peripheral side, is close to but is not exposed to signal generation apparatus.
8. locomotive tach signal shaft end output device as claimed in claim 6, it is characterised in that：The signal generation apparatus are
Measure speed gearses or magnetic field emitting devices, to ensure that signal can be sent from peripheral side when rotated；The periphery of signal generation apparatus
It is provided with recoil simulator housing to protect signal generation apparatus, recoil simulator housing is the housing of inner hollow, signal occurs
Device is located in recoil simulator housing, and one end of recoil simulator housing is the plane fixed with axle box end cap, and planar central is useful
In the axis hole that signal output axle passes through, there is a connecting screw hole for being fixed on axle box end cap plane periphery, wherein connecting screw hole
The position relative set of screw on position and axle box end cap；The side of recoil simulator housing has more than one to be adopted for fixed signal
The lateral aperture of acquisition means, the periphery of lateral aperture is provided with fixing threaded hole one.
9. locomotive tach signal shaft end output device as claimed in claim 8, it is characterised in that：The signal pickup assembly is
Hall sensor and its cable, magnetoelectric transducer and its cable or magnetoresistive transducer and its cable；Signal pickup assembly is removable
The absolute construction for unloading, including locating piece and shell, one end top of locating piece is the arc-shaped of indent, there is one on arc-shaped face
Mounting hole above, the sensing element of sensor is separately positioned in each mounting hole, assembles the arc-shaped part of post-positioning block
Go deep into recoil simulator housing, the sensitive surface of sensing element is near signal generation apparatus, when sensing element is for multiple, each sense
The signal intensity for answering the equidistant induced signal generating means rotational band of element；The other end of locating piece has what is connected with mounting hole
Through hole, the cable of each sensing element institute band extends out past through hole and is connected with internal processing circuitry from mounting hole, by sensor
Cable is connected with external equipment.
10. locomotive tach signal shaft end output device as claimed in claim 8 or 9, it is characterised in that：The locating piece has logical
The one end in hole is located in shell, and the end face of shell has the cable hole passed through for cable, in locating piece the cable of sensing element from
The through hole of locating piece stretch out after through processing of circuit plate process, be then passed through the cable hole of shell after externally connected processing equipment；Outward
There is fixing threaded hole two corresponding with the fixing threaded hole one of recoil simulator housing side opening the periphery of shell, is adopted signal by shell
Acquisition means are fixed on recoil simulator housing；Locating piece is made up of the material with insulation effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710197367.0A CN106841653A (en) | 2017-03-29 | 2017-03-29 | A kind of locomotive tach signal shaft end output intent and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710197367.0A CN106841653A (en) | 2017-03-29 | 2017-03-29 | A kind of locomotive tach signal shaft end output intent and device |
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| CN106841653A true CN106841653A (en) | 2017-06-13 |
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| CN201710197367.0A Pending CN106841653A (en) | 2017-03-29 | 2017-03-29 | A kind of locomotive tach signal shaft end output intent and device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109282927A (en) * | 2018-11-20 | 2019-01-29 | 广东盈动高科自动化有限公司 | A kind of axis torch measuring system and measurement method |
| CN109283352A (en) * | 2018-11-14 | 2019-01-29 | 山西维达机械制造有限公司 | A kind of speed probe and its assembly method |
| CN113391086A (en) * | 2021-06-18 | 2021-09-14 | 宁波中车时代传感技术有限公司 | Shaft end rotating speed sensor and manufacturing method thereof |
| CN114734245A (en) * | 2022-06-10 | 2022-07-12 | 宁波中车时代传感技术有限公司 | Shaft end photoelectric rotating speed sensor for rail transit and manufacturing method |
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| CN109283352A (en) * | 2018-11-14 | 2019-01-29 | 山西维达机械制造有限公司 | A kind of speed probe and its assembly method |
| CN109282927A (en) * | 2018-11-20 | 2019-01-29 | 广东盈动高科自动化有限公司 | A kind of axis torch measuring system and measurement method |
| CN109282927B (en) * | 2018-11-20 | 2023-09-01 | 广东盈动高科自动化有限公司 | Shaft torque measurement system and measurement method |
| CN113391086A (en) * | 2021-06-18 | 2021-09-14 | 宁波中车时代传感技术有限公司 | Shaft end rotating speed sensor and manufacturing method thereof |
| CN113391086B (en) * | 2021-06-18 | 2023-11-03 | 宁波中车时代传感技术有限公司 | Shaft end rotating speed sensor and manufacturing method |
| CN114734245A (en) * | 2022-06-10 | 2022-07-12 | 宁波中车时代传感技术有限公司 | Shaft end photoelectric rotating speed sensor for rail transit and manufacturing method |
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