CN208110355U - A kind of subway axle head grounding device abrasion temperature rise multifunction emulation testing stand - Google Patents
A kind of subway axle head grounding device abrasion temperature rise multifunction emulation testing stand Download PDFInfo
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- CN208110355U CN208110355U CN201820275849.3U CN201820275849U CN208110355U CN 208110355 U CN208110355 U CN 208110355U CN 201820275849 U CN201820275849 U CN 201820275849U CN 208110355 U CN208110355 U CN 208110355U
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- grounding device
- head grounding
- axle head
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Abstract
Wear away temperature rise multifunction emulation testing stand the utility model relates to a kind of subway axle head grounding device, simulation test stand include Master Test Station, shake table, current feedback circuit, PLC control cabinet, console computer with to wind apparatus；Shake table is set below Master Test Station, motor is equipped in Master Test Station, is equipped with axle box above Master Test Station；Axle box two sides are respectively equipped with bearing, axle box two sides position corresponding with bearing is respectively equipped with chamber, is equipped with axle in axle box, axle is connected to motor by driving chain, axle both ends are run through bearing and are protruded into chamber, and axle both ends are respectively equipped with axle head grounding device；Laser range finder is equipped on two chamber end faces；The utility model analog true road conditions test axle head grounding device, provide the guidance of unfailing test data for the development of axle head grounding device, test and optimization.
Description
Technical field
The utility model relates to a kind of simulation test stands, belong to subway axle head grounding device performance detection field, more specifically
Say that the utility model relates to a kind of subway axle head grounding devices to wear away temperature rise multifunction emulation testing stand in ground.
Background technique
Subway is a kind of form of railway transportation, refers to the City Rail Transit System based on running in underground, i.e. " underground
The abbreviation of railway " or " subway "；Many such systems consider construction and operation costs to cooperate the environment of build, can
Ground or overhead section can be changed into area other than down town.Subway covers the various undergrounds in urban area and ground
Right of way is proprietary, high density, high freight volume City Rail Transit System.Subway have save soil, reduce noise, reduce interference,
It is energy saving, reduce pollution, the advantages that freight volume is big, percent of punctuality is high and speed is fast.
In the prior art, in subway axle head grounding device in use, carbon brush in earthing or grounding means and frictional disk it
Between can generate friction, so that carbon brush is generated abrasion and influence the normal operation of subway, shorten subway service life, even sent out when serious
Raw safety accident.It would therefore be desirable to constantly develop, test and optimize axle head grounding device, to improve shaft end ground connection dress
The service life set, and then improve the safety and service life of subway.And constantly to develop, test and optimize shaft end ground connection dress
It sets us and just needs to simulate the actual working environment of axle head grounding device to all parts performance progress in axle head grounding device
Test, so that different components are carried out with different development and optimization according to test result, and then grinds axle head grounding device
System and optimization, improve the safety in utilization and service life of axle head grounding device.
Utility model content
Based on the above technical problem, it is multifunction imitated that the utility model provides a kind of subway axle head grounding device abrasion temperature rise
True testing stand, so that solving the development of previous axle head grounding device, test and optimization without unfailing test data is finger
The technical issues of leading.
In order to solve the above technical problems, the technical solution adopted in the utility model is as follows：
A kind of subway axle head grounding device abrasion temperature rise multifunction emulation testing stand,
The simulation test stand include Master Test Station, shake table, current feedback circuit, PLC control cabinet, console computer with to
Wind apparatus；Shake table is set below the Master Test Station, motor is equipped in Master Test Station, is equipped with axle box above Master Test Station；Institute
It states axle box two sides and is respectively equipped with bearing, bearing is equipped with the bearing cap for sealing, and the axle box two sides are opposite with bearing
The position answered is respectively equipped with chamber, is equipped with axle in the axle box, axle is connected to motor by driving chain, axle both ends
Run through bearing and protrude into chamber, axle both ends are respectively equipped with axle head grounding device；The axle head grounding device includes connecing
Ground lid, ground connection lid is interior to be equipped with brush holder, and ground connection lid is fixed on chamber end by brush holder, carbon brush, carbon brush two are equipped on brush holder
Side is respectively equipped with constant force spring and frictional disk, and constant force spring is fixed on brush holder and the spring of constant force spring volume holds out against carbon brush, the frictional disk
Axle end is fixed on by adapter；Laser range finder is equipped on two chamber end face, laser range finder is located at axis
It holds above earthing or grounding means, the laser range finder has foot prop, and foot prop is fixed on chamber end face, and laser range finder can be around foot
Frame rotation.
On the basis of above technical scheme：The simulation test stand further includes current feedback circuit and lubricating arrangement, electric current hair
Raw device and lubricating arrangement are respectively arranged on the two sides of Master Test Station；The current feedback circuit is grounded by earthing or grounding means cable and shaft end
Device connection；Conduit is equipped in the lubricating arrangement, the axle box is equipped with lubricating oil interface, and conduit and lubricating oil interface connect
It connects.
On the basis of above technical scheme：The simulation test stand further include for axle head grounding device dry to wind
Device, to wind apparatus be located at chamber front, to wind apparatus wind direction perpendicular to axle axial direction.
On the basis of above technical scheme：The simulation test stand further includes temperature sensor and velocity sensor, temperature
The end of probe of sensor is set to inside axle head grounding device and Master Test Station, and temperature sensor is connected with alarm；The speed
The end of probe of sensor is set on axle.
On the basis of above technical scheme：The shake table, current feedback circuit, lubricating arrangement, gives wind apparatus, temperature at motor
Degree sensor and velocity sensor pass through PLC control cabinet and connect with console computer.
In conclusion by adopting the above-described technical solution, the utility model has the beneficial effects that：
1, in the utility model, computer controller starts the motor in Master Test Station, and motor passes through driving chain band motor-car
Axis rotation, when axle rotates, frictional disk and carbon brush rubs mutually are lost, and carbon brush is always plane by rubbing surface, carbon brush with rub
Constant force spring holds out against carbon brush always during wiping the mutual friction of disk phase, when frictional disk and carbon brush are lost because of friction, constant force spring
Carbon brush is pushed to the direction of frictional disk, is in close contact frictional disk always with carbon brush；During motor rotation, shake table
The vibration that different road conditions apply vertical three directions of vertical and horizontal to Master Test Station can be simulated, is existed to carbon brush and frictional disk
Abrasion temperature rise test is carried out under vibration operating condition；This structure can be to the abrasion temperature rise model of carbon brush and frictional disk in the case where vibrating operating condition
Experimental test is carried out, to constantly develop, test and optimize axle head grounding device；
2, in the utility model, before installing earthing or grounding means, rotary laser rangefinder makes laser range finder be respectively aligned to rub
The multiple point measurement initial distance S of disk1；Then laser range finder is turned on, axle head grounding device is installed, is transported to axle head grounding device
After row a period of time, axle head grounding device is removed, then laser range finder is rotated to initial sampling site position, measure distance S2, S1-
S2Frictional disk abrasion that you can get it；This structure can measure loss of the axle head grounding device operation to frictional disk, to constantly grind
System, test and optimization axle head grounding device；
3, in the utility model, during carrying out abrasion temperature rise test current feedback circuit can export constant current with
The different types of electric current such as oscillating current and current value carry out abrasion temperature to carbon brush and frictional disk under the load of different type electric current
Rise test；This structure can simulate different electric current operating conditions, to the abrasion temperature rise of carbon brush and frictional disk under different electric current operating conditions
It can be carried out experimental test, to constantly develop, test and optimize axle head grounding device；
4, in the utility model, lubricating oil during carrying out abrasion temperature rise test in lubricating arrangement by conduit into
Enter in axle box, makes to prevent axle and axis to play the role of lubrication and cooling to axle and bearing full of lubricating oil in axle box
Hold the excessively high damage for leading to testing equipment of a friction temperature；
5, axially right perpendicular to axle to wind apparatus wind direction during carrying out abrasion temperature rise test in the utility model
Axle head grounding device ground connection lid side is blowed, cross-ventilation situation when simulating subway circulation, to wind apparatus have it is high, in,
Low grade, the cross-ventilation situation under analog difference speed；This structure can simulate different speed operating conditions, test under different speeds
The abrasion temperature rise model of carbon brush and frictional disk, to constantly develop, test and optimize axle head grounding device；
6, in the utility model, during carrying out abrasion temperature rise test, a peak is set to temperature, works as shaft end
When temperature in earthing or grounding means or Master Test Station is more than this setting value, warning device just be will call the police, and testing crew is reminded to pay attention to；
This structure can monitor the temperature during test in real time, prevent the excessively high damage for causing testing equipment of temperature；
7, in the utility model, the controlling test program in console computer can control motor speed, loading current, profit
Sliding device, to wind apparatus etc., and real-time display and motor speed can be recorded, speed, operating current size, environment temperature, connect
Each components temperature and testing stand distance travelled etc. inside ground device, to carry out carbon brush performance under different operating conditions to subway
Abrasion temperature rise test, the abrasion of carbon brush and frictional disk under the specific operations such as constant, oscillating current can be tested, and energy
The key positions temperature variations such as effective monitoring carbon brush, brush holder, frictional disk, test data is accurate and reliable, is grounded and fills to shaft end
Development, test and the optimization set have certain directive function.
Detailed description of the invention
Fig. 1 is the composition schematic diagram of the utility model testing stand；
Fig. 2 is the test platform structure schematic diagram of the utility model；
Fig. 3 is the structural schematic diagram of the axle head grounding device of the utility model；
Fig. 4 is the utility model chamber structure chart；
It is marked in figure：1- shake table；2- Master Test Station；3- motor；4- chamber；5- brush holder；6- constant force spring；7- ground connection
Lid；8- carbon brush；9- frictional disk；10- driving chain；11- bearing cap；12- bearing；13- axle box；14- axle；15- lubricating oil connects
Mouthful；16- earthing or grounding means cable；17- current feedback circuit；18- lubricating arrangement；19- conduit；20- laser range finder.
Specific embodiment
The utility model will be further described below with reference to the accompanying drawings.The embodiments of the present invention includes but unlimited
In the following example.
Specific embodiment
Embodiment 1
As shown in Figs 1-4, a kind of subway axle head grounding device wears away temperature rise multifunction emulation testing stand,
The simulation test stand includes Master Test Station 2, shake table 1, current feedback circuit 17, PLC control cabinet, console computer
With give wind apparatus；Shake table 1 is set below the Master Test Station, motor 3 is equipped in Master Test Station, is equipped with above Master Test Station 2
Axle box 13；13 two sides of axle box are respectively equipped with bearing 12, and bearing 12 is equipped with the bearing cap 11 for sealing, the axle box
13 two sides position corresponding with bearing 12 is respectively equipped with chamber 4, is equipped with axle 14 in the axle box 13, axle 14 passes through
Driving chain 10 is connect with motor 3, and 14 both ends of axle are run through bearing 12 and protruded into chamber 4, and 14 both ends of axle are set respectively
There is axle head grounding device；The axle head grounding device includes ground connection lid 7, and brush holder 5 is equipped in ground connection lid 7, and ground connection lid 7 passes through brush holder
5 are fixed on 4 end of chamber, and carbon brush 8 is equipped on brush holder 5, and 8 two sides of carbon brush are respectively equipped with constant force spring 6 and frictional disk 9, constant force
Spring 6 is fixed on brush holder 5 and the spring of constant force spring 6 volume holds out against carbon brush 8, and the frictional disk 9 is fixed on 14 end of axle by adapter
Portion；Laser range finder 20 is equipped on two chambers, 4 end face, laser range finder 20 is located above axle head grounding device, institute
Laser range finder 20 is stated with foot prop, foot prop is fixed on 4 end face of chamber, and laser range finder 20 can be rotated around foot prop；
For the present embodiment in use, computer controller starts the motor 3 in Master Test Station 2, motor 3 passes through 10 band of driving chain
Motor-car axis 14 rotates, and when axle 14 rotates, frictional disk 9 and 8 rubs mutually of carbon brush are lost, and carbon brush 8 is always flat by rubbing surface
Face, constant force spring 6 holds out against carbon brush 8 always during carbon brush 8 and 9 phase mutual friction of frictional disk, when frictional disk 9 and carbon brush 8 are because of friction
When being lost, constant force spring 6 pushes carbon brush 8 to the direction of frictional disk 9, is in close contact frictional disk 9 always with carbon brush 8；?
During motor 3 rotates, shake table 1 can simulate different road conditions and apply vertical, three sides of vertical and horizontal to Master Test Station 2
To vibration, abrasion temperature rise test is carried out in the case where vibrating operating condition to carbon brush 8 and frictional disk 9；This structure can be to carbon brush 8 and friction
Abrasion temperature rise model of the disk 9 in the case where vibrating operating condition carries out experimental test, to constantly develop, test and optimize shaft end ground connection dress
It sets；Before installing earthing or grounding means, rotary laser rangefinder 20 makes laser range finder 20 be respectively aligned to the multiple point measurements in 9 face of frictional disk just
Begin distance S1；Then laser range finder 20 is turned on, axle head grounding device is installed, after axle head grounding device runs a period of time,
Axle head grounding device is removed, then by the rotation of laser range finder 20 to initial sampling site position, measures distance S2, you can get it by S1-S2
Frictional disk 9 is worn away；This structure can measure axle head grounding device and run loss to frictional disk 9, thus constantly develop, test and
Optimize axle head grounding device.
Embodiment 2
As shown in Figs 1-4, the simulation test stand further includes current feedback circuit 17 and lubricating arrangement 18, current feedback circuit 17
The two sides of Master Test Station 2 are respectively arranged on lubricating arrangement 18；The current feedback circuit 17 passes through earthing or grounding means cable 16 and shaft end
Earthing or grounding means connection；In the lubricating arrangement 18 be equipped with conduit 19, the axle box 13 be equipped with lubricating oil interface 15, conduit 19 with
Lubricating oil interface 15 connects；
The present embodiment is in use, current feedback circuit 17 can export constant current during carrying out abrasion temperature rise test
With the different types of electric current of oscillating current and current value, carbon brush 8 and frictional disk 9 are worn away under the load of different type electric current
Temperature rise test；This structure can simulate different electric current operating conditions, to the abrasion temperature of carbon brush 8 and frictional disk 9 under different electric current operating conditions
It rises performance and carries out experimental test, to constantly develop, test and optimize axle head grounding device；In the mistake for carrying out abrasion temperature rise test
Lubricating oil in journey in lubricating arrangement 18 is entered in axle box 13 by conduit 19, is made full of lubricating oil in axle box 13, thus to vehicle
Axis 14 and bearing 12 play the role of lubrication and cooling, prevent between axle 14 and bearing 12 that friction temperature is excessively high to lead to testing equipment
Damage.
Embodiment 3
As shown in Figs 1-4, the simulation test stand further include for axle head grounding device dry to wind apparatus, give wind
Device is located at the front of chamber 4, to wind apparatus wind direction perpendicular to axle 14 axial direction；
The present embodiment is in use, axial perpendicular to axle 14 to wind apparatus wind direction during carrying out abrasion temperature rise test
Axle head grounding device ground connection 7 side of lid is blowed, cross-ventilation situation when simulating subway circulation, to wind apparatus have it is high,
In, low-grade, the cross-ventilation situation under analog difference speed；This structure can simulate different speed operating conditions, test different vehicles
The abrasion temperature rise model of speed lower carbon brush 8 and frictional disk 9, to constantly develop, test and optimize axle head grounding device.
Embodiment 4
As shown in Figs 1-4, the simulation test stand further includes temperature sensor and velocity sensor, the spy of temperature sensor
It surveys end to be set to inside axle head grounding device and Master Test Station 2, temperature sensor is connected with alarm；The spy of the velocity sensor
End is surveyed to be set on axle 14；
The present embodiment sets a peak to temperature, works as shaft end in use, during carrying out abrasion temperature rise test
When temperature in earthing or grounding means or Master Test Station is more than this setting value, warning device just be will call the police, and testing crew is reminded to pay attention to；
This structure can monitor the temperature during test in real time, prevent the excessively high damage for causing testing equipment of temperature.
Embodiment 5
As shown in Figs 1-4, the shake table 1, motor 3, current feedback circuit 17, lubricating arrangement 18, to wind apparatus, temperature pass
Sensor and velocity sensor pass through PLC control cabinet and connect with console computer；
The present embodiment in use, the controlling test program in console computer can control 3 revolving speed of motor, loading current,
Lubricating arrangement 18, to wind apparatus etc., and real-time display and 3 revolving speed of motor, speed, operating current size, environment temperature can be recorded
Each components temperature and testing stand distance travelled etc. inside degree, earthing or grounding means, to carry out carbon under different operating conditions to subway
The abrasion temperature rise test of 8 performances is brushed, the abrasion of carbon brush 8 and frictional disk 9 under the specific operations such as constant, oscillating current can be carried out
Test, and the key positions temperature variations such as energy effective monitoring carbon brush 8, brush holder 5, frictional disk 9, test data is accurate and reliable,
There is certain directive function to the development of axle head grounding device, test and optimization.
It is as described above the embodiments of the present invention.Each preferred embodiment described previously for the utility model,
Preferred embodiment in each preferred embodiment if not obvious contradictory or premised on a certain preferred embodiment,
Each preferred embodiment can any stack combinations use, the design parameter in the embodiment and embodiment be only for
The utility model verification process of clear statement utility model people, not to limit the scope of patent protection of the utility model,
The scope of patent protection of the utility model is still subject to the claims, all specifications with the utility model and attached
The variation of equivalent structure made by figure content, similarly should be included in the protection scope of the utility model.
Claims (5)
1. a kind of subway axle head grounding device wears away temperature rise multifunction emulation testing stand, it is characterised in that：
The simulation test stand includes Master Test Station (2), shake table (1), current feedback circuit (17), PLC control cabinet, computer control
Platform with give wind apparatus；Shake table (1) is set below the Master Test Station, is equipped with motor (3) in Master Test Station, Master Test Station (2)
Top is equipped with axle box (13)；Axle box (13) two sides are respectively equipped with bearing (12), and bearing (12) is equipped with for sealing
Bearing cap (11), axle box (13) two sides position corresponding with bearing (12) are respectively equipped with chamber (4), the axle box
(13) axle (14) are equipped in, axle (14) is connect by driving chain (10) with motor (3), and axis is run through at axle (14) both ends
It holds (12) and protrudes into chamber (4), axle (14) both ends are respectively equipped with axle head grounding device；The axle head grounding device includes
Ground connection lid (7), ground connection lid (7) is interior to be equipped with brush holder (5), and ground connection lid (7) is fixed on chamber (4) end by brush holder (5), described
It is equipped on brush holder (5) carbon brush (8), carbon brush (8) two sides are respectively equipped with constant force spring (6) and frictional disk (9), and constant force spring (6) is fixed
In on brush holder (5) and the spring of constant force spring (6) volume hold out against carbon brush (8), the frictional disk (9) is fixed on axle (14) by adapter
End；It is equipped with laser range finder (20) on two chamber (4) end faces, laser range finder (20) is located at shaft end ground connection dress
Top is set, the laser range finder (20) has foot prop, and foot prop is fixed on chamber (4) end face, and laser range finder (20) can
It is rotated around foot prop.
2. a kind of subway axle head grounding device according to claim 1 wears away temperature rise multifunction emulation testing stand, feature
It is：The simulation test stand further includes current feedback circuit (17) and lubricating arrangement (18), and current feedback circuit (17) and lubrication fill
Set the two sides that (18) are respectively arranged on Master Test Station (2)；The current feedback circuit (17) passes through earthing or grounding means cable (16) and shaft end
Earthing or grounding means connection；Conduit (19) are equipped in the lubricating arrangement (18), the axle box (13) is equipped with lubricating oil interface (15),
Conduit (19) is connect with lubricating oil interface (15).
3. a kind of subway axle head grounding device according to claim 2 wears away temperature rise multifunction emulation testing stand, feature
It is：The simulation test stand further include for axle head grounding device dry to wind apparatus, be located at chamber to wind apparatus
(4) positive, to wind apparatus wind direction perpendicular to axle (14) axial direction.
4. a kind of subway axle head grounding device according to claim 3 wears away temperature rise multifunction emulation testing stand, feature
It is：The simulation test stand further includes temperature sensor and velocity sensor, and the end of probe of temperature sensor connects set on shaft end
Ground device and Master Test Station (2) are internal, and temperature sensor is connected with alarm；The end of probe of the velocity sensor is set to axle
(14) on.
5. a kind of subway axle head grounding device according to claim 4 wears away temperature rise multifunction emulation testing stand, feature
It is：The shake table (1), the motor (3), the current feedback circuit (17), the lubricating arrangement (18), it is described give wind dress
It sets, the temperature sensor and the velocity sensor pass through PLC control cabinet and connect with console computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820275849.3U CN208110355U (en) | 2018-02-26 | 2018-02-26 | A kind of subway axle head grounding device abrasion temperature rise multifunction emulation testing stand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820275849.3U CN208110355U (en) | 2018-02-26 | 2018-02-26 | A kind of subway axle head grounding device abrasion temperature rise multifunction emulation testing stand |
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| Publication Number | Publication Date |
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| CN208110355U true CN208110355U (en) | 2018-11-16 |
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| CN201820275849.3U Active CN208110355U (en) | 2018-02-26 | 2018-02-26 | A kind of subway axle head grounding device abrasion temperature rise multifunction emulation testing stand |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109975151A (en) * | 2019-03-13 | 2019-07-05 | 三峡大学 | Vertical current-carrying frictional wear experiment platform for water turbine set brush and collector ring wear testing |
-
2018
- 2018-02-26 CN CN201820275849.3U patent/CN208110355U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109975151A (en) * | 2019-03-13 | 2019-07-05 | 三峡大学 | Vertical current-carrying frictional wear experiment platform for water turbine set brush and collector ring wear testing |
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