CN109799101A - A kind of train braking property test platform for simulating complicated extreme environment operating condition - Google Patents
A kind of train braking property test platform for simulating complicated extreme environment operating condition Download PDFInfo
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Abstract
本发明属于摩擦制动技术领域，具体涉及一种模拟复杂极端环境工况的列车制动性能测试试验台。针对现有技术中，无法在同一列车制动试验台上模拟不同的工况，导致试验数据之间存在较大的系统误差从而使得数据可比性下降的问题，本发明的技术方案是：包括试验台底座，试验台底座上设置有驱动装置、转轴和检测装置，试验台底座上还设置有制动模块加载座，转轴末端设置有制动盘，转轴设置有制动盘的一端通过轴承与制动模块加载座连接，制动模块加载座上安装有列车制动模块；制动模块加载座、制动盘和列车制动模块外围设置有环境氛围罩，环境氛围罩上连接有数种复杂极端环境模拟模块。本发明适用于不同复杂极端环境工况下的列车制动性能测试。
The invention belongs to the technical field of friction braking, in particular to a train braking performance test bench for simulating complex extreme environmental conditions. Aiming at the problem in the prior art that it is impossible to simulate different working conditions on the same train brake test bench, resulting in a large systematic error between the test data, which reduces the comparability of the data, the technical solution of the present invention is: The base of the test bench is provided with a driving device, a rotating shaft and a detection device, and a braking module loading seat is also set on the base of the test bench. The moving module loading seat is connected, and the train braking module is installed on the braking module loading seat; the brake module loading seat, the brake disc and the train braking module are provided with an ambient air cover, and several complex extreme environments are connected to the ambient air cover. analog module. The invention is suitable for train braking performance test under different complex extreme environmental conditions.
Description
Technical field
The invention belongs to friction catch technical fields, and in particular to a kind of train braking for simulating complicated extreme environment operating condition
Property test platform.
Background technique
Key experiments equipment of the braking performance test testing stand as apparatus of transport friction catch field, is mainly used for studying
Apparatus of transport braking process brake disc/piece contact interface vibration noise and its wear law and friction heat distribution etc. are all kinds of systems
The braking ability optimization of dynamic device provides accurate test data support.Friction catch can answer in service braking and emergency braking
With and secure parking last guarantee.
As national economy is fast-developing and science and technology is showing improvement or progress day by day, apparatus of transport is developed in depth and breadth toward high speed, in electricity
Operation maximum speed is constantly broken through in gasification train field.Along with the continuous expansion of train operation mileage, train operation network covers
Chinese various complex environments and topography and geomorphology have been covered, the Sichuan-Tibet railway especially built, winter Annual lowest climate temperature
It is -32.2 DEG C, summer maximum temperature is 40 DEG C, and maximum temperature difference is up to 35 DEG C round the clock；The play in addition, Sichuan-Tibet railway terrain rises and falls
Strong, train operation will undergo " eight eight volts ", and adding up climb altitude is more than 1.4 myriametres, and train operation will face complicated and changeable
The side lines condition of climatic environment condition and long steep grade, this proposes the safe and reliable military service of train braking system higher
It is required that and new challenge.Therefore, all kinds of delivery vehicle brakes are before practical engineering application, it is necessary to by test method to train
All kinds of complicated extreme environment operating conditions faced when braking carry out analog studies, this railway construction to China's complexity extreme environment
It is of great significance.
Train braking process is sufficiently complex, this is not only traditional dynamics problem and materialogy and interface friction
Multidisciplinary problem, so to braking process carry out theoretical simulation difficulty it is very big.And field test cost is too high, time-consuming is too long,
And it is difficult to accurately control the test under the conditions of various environmental working conditions.And on the other hand, country and social level are right
Operation security and environment protection field require higher and higher, bullet train operation process friction catch process generates noise and abrasive dust row
Put that how to effectively control become researcher and industrial enterprise face in the industry great difficult problem.Therefore, laboratory test platform mould is built
Intend the train braking test under various complicated extreme environment operating conditions, can easily study various environmental working conditions to train braking performance
Influence, and the environmental parameters such as the flow velocity of temperature and humidity, dust storm and rainwater are accurately controlled.Existing braking performance test
Testing stand typically is provided with load simulation, driving motor speed regulation, brakes simulation, vibration and noise and braking force signal acquisition and divide
The functions such as analysis, brake disc/friction block heat distribution acquisition.However, to environmental working condition simulation braking performance test testing stand but compared with
It is few, although can be used for train simulation low temperature ambient conditions there are also train braking property test platform, function often mistake
In single, the experimental test of a certain single operating condition can only be carried out on a testing stand.To same brake in difference
Operating condition under tested, then brake repeatedly can only be mounted and dismounted repeatedly on multiple testing stands.Due to braking
During the components such as device and brake disc are mounted on testing stand, due to component wear, labour variance or different tests platform other
The difference etc. of component, it may appear that some systematic errors, this will lead to the comparativity decline between the data that test obtains.
Therefore, in order to carry out the simulations of the environmental working conditions such as high and cold, moist, dust storm respectively on same testing stand, from test
Angle answers the shape of brake(-holder) block friction block under complicated extreme environment operating condition or arrangement with frictional interface self-excited vibration, frictional interface
Relationship between the factors such as power distribution, frictional heat and its distribution, frictional force, brake disc/friction block is studied, so that obtain
Comparativity is stronger between test data, and data analysis is more accurate, it is necessary to research and develop it is a kind of can effectively simulate it is several complicated extreme
The train braking property test platform of environmental working condition, and have important practical significance.
Summary of the invention
For in the prior art, different operating conditions can not be simulated on same train brake tester, lead to test data
Between there are problems that biggish systematic error so that data comparativity declines, it is complicated extremely that the present invention provides a kind of simulation
The train braking property test platform of environmental working condition, its object is to: it realizes and simulates several complicated poles on same testing stand
The operating condition in end ring border, it is only necessary to which the installation of a brake disc and brake can be obtained institute's test data in need, reduce examination
Check system error.
The technical solution adopted by the invention is as follows:
A kind of train braking property test platform for simulating complicated extreme environment operating condition, including testing stand pedestal, it is described
It is provided with driving device, shaft and detection device on testing stand pedestal, is additionally provided with brake module on the testing stand pedestal and adds
Seat is carried, the shaft end is provided with brake disc, and one end that the shaft is provided with brake disc is added by bearing and brake module
Seat connection is carried, train braking module is installed on the brake module load seat；The brake module load seat, brake disc and column
Vehicle brake module periphery is provided with environment cover, and several complicated extreme environment simulation moulds are connected on the environment cover
Block.
It after the technical solution, is rotated by driving device drive shaft, and then drives the rotation of flywheel group, and utilize and fly
The inertia of wheel group makes brake disc reach preset revolving speed.After reaching preset rotation speed, simulated using each environment module different
Environment is braked, and carries out friction catch test using train braking module.It is obtained in this process using various detection devices
Experimental data, so as to brake(-holder) block friction block under complicated extreme environment operating condition shape or arrangement and frictional interface from exciting
Relationship between the factors such as dynamic, frictional interface stress distribution, frictional heat and its distribution, frictional force, brake disc/friction block is ground
Study carefully.The technical program passes through an environment cover joint test platform pedestal and several complicated extreme environment analog modules, environment
Corresponding Pipe installing hole is provided in all directions of atmosphere cover, each environmental simulation module can pass through pipeline and environment atmosphere
Shroud is connected, thus, each environmental simulation module can need to switch over control according to actual tests.Compared to currently used system
Dynamic property test platform, the technical program have the advantages that
First, in the prior art, to be tested under different operating conditions same brake, then can only will brake
Device repeatedly mounts and dismounts repeatedly on multiple testing stands.The process on testing stand is mounted in the components such as brake and brake disc
In, due to component wear, labour variance or difference of different tests platform other component etc., it may appear that some systematic errors, this meeting
Comparativity decline between the data for causing test to obtain.And test all in the technical program is complete on same testing stand
At, avoid repeatedly mount and dismount caused by systematic error.
Second, which combines the simulation of various complicated extreme environments, utilizes environmental simulation modularized design structure
Compact advantage can be effectively saved the use space of work-yard, avoid the repeatability of testing stand from developing and produce, to reduce
Production and use cost.
Third, since during practical study, the project of research is frequently necessary to imagination and thinking according to researcher
Change and change, while the test result of early period may also influence whether the scheme of follow-up test.According to fixed design
Testing stand, if after experiment the phase need the design of integral replacing testing stand, will lead to the reduction and pilot system error of test efficiency
Increase.In the present solution, more mounting holes can be reserved on environment cover, the later period is facilitated not have to reinstall train system
Under the premise of dynamic model block, add or replace different types of complicated extreme environment analog module, make test method more flexibly with
It is abundant, be conducive to the simulation test that researcher or manufacturing enterprise in field carry out various braking environment.
Preferably, complicated extreme environment analog module includes gravel analog module, and the gravel analog module includes gravel
Device mounting seat, gravel appliance stand and gravel storage device, the gravel device mounting seat are connected on environment cover, institute
It states and motor II is connected with by gravel appliance stand in gravel device mounting seat, the motor rotary shaft of the motor II passes through
Shaft coupling III is fixedly connected with spiral handspike；The gravel storage device includes injection tube and injection putter, the injection putter
It is arranged in parallel with spiral handspike, the injection putter end is fixedly connected with push plate, is provided with and is used for and spiral in the push plate
The matched threaded hole of push rod, the injection tube are fixedly connected with gravel appliance stand, and the injection tube end is provided with for inciting somebody to action
Gravel is passed through the gravel conduit of environment cover.
After the preferred embodiment, the motor that motor II selects revolving speed that can accurately control is electronic by accurately controlling
The velocity of rotation and amount of spin of machine II can accurately control the rate and frequency that gravel is added into environment cover.
It is further preferred that the quantity of gravel storage device be it is multiple, the injection tube of each gravel storage device is logical
It crosses inside gravel conduit and environment cover and is connected to.
In the preferred embodiment, the quantity of gravel storage device be it is multiple, can be according to the geographical environment feature of train operation more
Specific gravel type is changed, to meet the needs of the comparative test at all kinds of gravel intervention braking interfaces.
Preferably, complicated extreme environment analog module includes simulation of wind module, and the simulation of wind module includes air blast
Device, the blower device inside conveyance conduit I and environment cover by being connected to.
Air blower can be used in blower device, wind is conveyed into environment cover by air blower, during simulating brake
The windage being subject to simulates controlled wind speed according to train speed, can meet the heat dissipation simulation of brake disc in braking process, realize more
Accurately braking heat test.
It is further preferred that the part that conveyance conduit I is located inside environment cover is made of flexible material.Pass through tune
The end outlet for saving conveyance conduit I made of flexible material, enables to outlet towards all directions, thus during the test
The direction of load wind is adjusted as needed.
Preferably, complicated extreme environment analog module includes moist condition module, and the humidity condition module includes setting
Water filling device at the top of environment cover, the water filling device are described by being connected to inside flow tube and environment cover
Flow control valve is provided between water filling device and flow tube.
After the preferred embodiment, water filling device can contain fresh water or seawater etc., by flow control valve regulation water into
Water speed delivers water into the friction block of brake module and the frictional interface of brake disc by flow tube, so as to according to not
It is simulated with region wet environment.
Preferably, complicated extreme environment analog module includes low temperature analog module, and the low temperature analog module includes freezing
Loading device, the freezing loading device inside conveyance conduit II and environment cover by being connected to.
After the preferred embodiment, the structures such as compressed air cooler in the prior art are can be used in freezing loading device,
It generates cold air and is sent into environment cover.Realize the simulation to psychro-environment operating condition.
Preferably, air outlet is provided at the top of environment cover.After the preferred embodiment, inside the environment cover
Environment cover air outlet is closed when simulating high and cold atmosphere, environment cover air outlet can close when simulating other environments
Also openable, the air outlet of the air-supply of this fit on wind loading device, the environment cover collects or discharge environment cover
Internal particulate matter.
Preferably, train braking module is more friction block clamp brake modules, single friction block clamp brake module or tyre tread
One of brake module.In the preferred embodiment, train braking module is provided with several, it is convenient to be replaced, thus right
The braking ability of several brakes is studied.
In conclusion by adopting the above-described technical solution, the beneficial effects of the present invention are:
1. in the prior art, to be tested under different operating conditions same brake, then can only be by brake
It is repeatedly mounted and dismounted repeatedly on multiple testing stands.The process on testing stand is mounted in the components such as brake and brake disc
In, due to component wear, labour variance or difference of different tests platform other component etc., it may appear that some systematic errors, this meeting
Comparativity decline between the data for causing test to obtain.And test all in the technical program is complete on same testing stand
At, avoid repeatedly mount and dismount caused by systematic error.
2. the testing stand combines the simulation of various complicated extreme environments, compact-sized using environmental simulation modularized design
Advantage can be effectively saved the use space of work-yard, avoid the repeatability of testing stand from developing and produce, to reduce life
Production and use cost.
3. the project of research is frequently necessary to according to the imagination of researcher and changing for thinking due to during practical study
Become and change, while the test result of early period may also influence whether the scheme of follow-up test.According to the test of fixed design
Platform, if after experiment the phase need the design of integral replacing testing stand, will lead to the reduction of test efficiency and the increasing of pilot system error
Add.In the present solution, more mounting holes can be reserved on environment cover, the later period is facilitated not have to reinstall train braking mould
Under the premise of block, add or replace different types of complicated extreme environment analog module, make test method more flexibly with it is abundant,
Be conducive to the simulation test that researcher or manufacturing enterprise in field carry out various braking environment.
4. motor II selects the motor that can accurately control of revolving speed, by accurately control motor II velocity of rotation and
Amount of spin can accurately control the rate and frequency that gravel is added into environment cover.
5. the quantity of gravel storage device be it is multiple, specific gravel can be replaced according to the geographical environment feature of train operation
Type, to meet the needs of the comparative test at all kinds of gravel intervention braking interfaces.
6. air blower can be used in wind loading device, wind is conveyed into environment cover by air blower, with simulating brake mistake
The windage being subject in journey simulates controlled wind speed according to train speed, can meet the heat dissipation simulation of brake disc in braking process, realize
More accurate braking heat test.
7. it is enabled to export the end outlet for adjusting conveyance conduit I made of flexible material towards all directions,
To adjust air supply direction as needed during the test.
8. water loading device can contain fresh water or seawater etc., by the water intake velocity of flow control valve regulation water, pass through water
Conductance pipe delivers water into the friction block of brake module and the frictional interface of brake disc, so as to according to different geographical wet environment
It is simulated.
9. the structures such as compressed air cooler in the prior art can be used in freezing loading device, generates cold air and be sent into
In environment cover.Realize the simulation to psychro-environment operating condition.
10. environment cover air outlet is closed when the high and cold atmosphere of environment cover internal simulation, simulate other environment atmosphere
Environment cover air outlet can close also openable when enclosing, this fit on wind loading device air-supply, the environment cover goes out
Air port collects or discharges the particulate matter inside environment cover.
11. train braking module is provided with several, it is convenient to be replaced, thus to the braking ability of several brakes
It is studied.
Detailed description of the invention
Examples of the present invention will be described by way of reference to the accompanying drawings, in which:
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the structural schematic diagram at another visual angle of the present invention；
Fig. 3 is the structural schematic diagram of environment cover and its inside of the invention；
Fig. 4 is the structural schematic diagram of gravel analog module of the present invention；
Fig. 5 is more friction block clamp brake module structural schematic diagrams in the embodiment of the present invention 1；
Fig. 6 is more friction block clamp brake module friction radius adjustment equipment mechanism schematic diagrames in the embodiment of the present invention 1；
Fig. 7 is the knot after more friction block clamp brake modules and friction radius adjustment device connect in the embodiment of the present invention 1
Structure schematic diagram；
Fig. 8 is single friction block clamp brake module structural schematic diagram in the embodiment of the present invention 2；
Fig. 9 is the structural schematic diagram at another visual angle of single friction block clamp brake module in the embodiment of the present invention 2；
Figure 10 is tread brake modular structure schematic diagram in the embodiment of the present invention 3；
Figure 11 is the structural schematic diagram of fixture I in more friction block clamp brake modules in the embodiment of the present invention 1；
Figure 12 is several train disc caliper braking brake pads in more friction block clamp brake modules in the embodiment of the present invention 1
Structural schematic diagram；
Figure 13 is the structural schematic diagram of fixture II in single friction block clamp brake module in the embodiment of the present invention 2；
Figure 14 is several single friction block clamp braking brake pads in single friction block clamp brake module in the embodiment of the present invention 2
Structural schematic diagram.
Wherein: 1- console, 2- motor I, 3- clutch motor coupling sleeve, 4- clutch, 5- flywheel group, 6- bearing block
I, 7- shaft coupling I, 8- air compressor, 9- gravel loading device, 10- water loading device, 11- environment cover, 12- freezing add
Carry set, 13- testing stand pedestal, 14- thermal imaging system, 15- wind loading device, 16- power supply and signal wire, 17- shaft coupling II,
18- torque sensor, 19- torque sensor erecting bed, I erecting bed of 20- bearing block, II erecting bed of 21- bearing block, 22- bearing
Seat II, 23- motor erecting bed, 24- gravel conduit I, 25- air outlet, 26- flow tube, 27- friction radius adjust device, 28-
Train braking module, 29- abrasive dust collection device, 30- brake module load seat, 31- microphone, 32- brake disc, 33- gravel dress
Set bracket, 34- motor II, 35- gravel device mounting seat, 36- motor rotary shaft, 37- gravel storage device I, 38- push plate,
39- gravel conduit II, 40- gravel storage device reinforcing rib, 41- spiral handspike, 42- gravel storage device II, 43- shaft coupling
III, 44- friction radius adjustment device support plate, 45- screw rod, the more friction block clamp brake module mounting bases of 46-, 47- sliding slot,
48- guide rail, 49- clamp mounting plate, 50- Hanging bolt, 51- rigidity device for precision regulating, 52- joint support seat, the centre 53- branch
Frame, 54- bracket, 55- cylinder I, 56- cylinder support, 57- bolt I, 58- bolt II, 59- fixture I, 60- friction block pressur plate, 61-
Spring, 62- brake disc II, 63- friction module unit, 64- support arm, 65- support frame, 66- curved boom, 67- cylinder II, 68- tyre tread system
Dynamic mounting base, 69- tyre tread bearing diagonal, 70- cylinder I I I, 71- intermediate bar, 72- tread brake friction block, 73- tread brake
Wheel, 74- train disc caliper braking brake pad, 75- fixture II, the mono- friction block clamp braking brake pad of 76-.
Specific embodiment
All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive
Feature and/or step other than, can combine in any way.
It elaborates below with reference to Fig. 1 to Figure 14 to the present invention.
Embodiment 1
A kind of modularization comprehensive braking performance test testing stand installs this modularization comprehensive braking performance test testing stand
In in laboratory.Prefabricated size and the suitable ground of depth, completely solid by testing stand pedestal 13 and ground first in laboratory
It is fixed, brake module is loaded by seat 30, torque sensor erecting bed 19, II erecting bed 20 of bearing block, bearing block I by bolt and is installed
Platform 21, motor erecting bed 23 and testing stand pedestal 13 are fixedly connected, and the output shaft of motor I 2 is joined by clutch motor
Knot set 3 is linked with clutch 4, realizes power transmitting through bearing block I 6 and flywheel group 5, and flywheel group 5 is supported in bearing block I
Between 6 and bearing block II 22,5 shaft output end of flywheel group is attached to the shaft of torque sensor 18 through shaft coupling I 7, and torque passes
Sensor 18 is installed on torque sensor erecting bed 19, and shaft output end is then coupled with 32 shaft of brake disc, and the shaft
Brake module is installed on by bearing and loads seat 30, realizes a kind of power transmitting of modularization friction catch experimental rig.It is described
Motor I 2, clutch motor coupling sleeve 3, clutch 4, bearing block I 6, flywheel group 5, bearing block II 22, shaft coupling I 7, torque
Sensor 18, shaft coupling II 9, brake module load seat 30 and brake disc 32 are axially disposed, and each mounting base and load seat pass through
Bolt is installed on testing stand pedestal 13.
Brake module load is provided with multiple mounting holes on a face of seat more than 30, default by the position of mounting hole, so that
It is more friction block clamp brake modules, single friction block clamp braking mould that brake module load seat 30, which can connect friction catch module,
One of block or tread brake module.
The present embodiment is additionally provided with a console 1, and console 1 is opened by power supply and signal line traffic control motor I 2
Dynamic, closing and speed regulation, control the work of clutch 4, and the working condition of control train braking module 28 (is in the present embodiment
Control the working condition of air compressor 8), display acquires motor by being set to the speed probe of I 2 output shaft of motor
I 2 revolving speed, the torque data for showing the acquisition of torque sensor 18 show that the dynamic signal analysis system for being built in console 1 is adopted
The train braking module 28 of collection or other have the vibration data of the component of research significance, be shown mounted on intermediate support 53 three
The air compressor 8 acquired to force snesor is supplied to the brake force of train braking module 28, display is being set to brake disc 32 just
The microphone 31 that the temperature field of brake disc captured by the thermal imaging system 14 in face, display are set to 32 side of brake disc collected rubs
Wipe noise signal.In conclusion being capable of more easily the opening/stop of Control experiment platform, motor I 2 by setting console 1
It opens/stops, the suction of clutch 4/point, train braking module 28 plus/unloading, control power supply and emergency stop, realize acquisition and display electricity
Brake force, the train braking module 28 that I 2 tach signal of motivation, the torque signal of torque sensor 18, air compressor 8 provide
Vibration and frictional noise signal and brake disc temperature field.
In order to simulate complicated extreme environment operating condition, seat 30, brake disc 32 and train braking mould are loaded in the brake module
28 periphery of block is provided with environment cover 11, and environment cover 11 is bolted with testing stand pedestal 13, environment cover
11 are additionally provided with rubber pad to achieve the effect that sealing, for driving turning for brake disc 32 with the contact site of testing stand pedestal 13
The position that axis passes through environment cover 11 is provided with sealing bearing.Also be reserved on environment cover 11 for thermal imaging system 14
The hole that camera combines carries out closed processes by sealing ring etc. therebetween.Environment cover 11 is also settable for protecting
The vacuum interlayer or thermal insulation material interlayer of temperature.The 11 settable air outlet 25 in top of environment cover, air outlet 25 pass through valve
The structures such as plate or threaded cap realize the function of opening and closing.Several complicated extreme environments are connected on the environment cover 11
Analog module.
Structure as one preferred, the complexity extreme environment analog module includes gravel analog module, the gravel
Analog module includes gravel device mounting seat 35, gravel appliance stand 33 and gravel storage device, the gravel device mounting seat
35 are connected on environment cover 11, are connected with motor II by gravel appliance stand 33 in the gravel device mounting seat 35
34, the motor that motor II 34 selects revolving speed that can be accurately controlled accurately controls the rotation speed of motor II 34 by console 1
The application of degree and rotation time can accurately control the rate and frequency that gravel is added into environment cover.It is described electronic
The motor rotary shaft 36 of machine II 34 is fixedly connected with spiral handspike 41 by shaft coupling III 43；The gravel storage device includes note
Shooting cylinder and injection putter, the injection putter are arranged in parallel with spiral handspike 41, and the injection putter end, which is fixedly connected with, to push away
Plate 38, be provided in the push plate 38 for the matched threaded hole of spiral handspike 41, the injection tube and gravel appliance stand
33 are fixedly connected, and the injection tube end is provided with the gravel conduit for gravel to be passed through to environment cover 11.
Further, the quantity of the gravel storage device is multiple, and the injection tube of each gravel storage device is logical
It crosses inside gravel conduit and environment cover 11 and is connected to.For example, the quantity of gravel storage device is two in the present embodiment, specifically
Structure is that gravel storage device includes gravel storage device I 37 and gravel storage device II 42 disposed in parallel, and the gravel is deposited
The injection tube of storage device I 37 and gravel storage device II 42 is separately connected grittiness conduit II 39, and two gravel conduits II 39 converge
Together in gravel conduit I 24.The friction block of the outlet alignment train braking module 28 of gravel conduit I 24 and friction circle of brake disc 32
Face.The gravel storage device I 37 and gravel storage device II 42 need to be arranged the gravel of identical or different type according to test,
Furthermore the substance other than gravel can also be loaded.
Structure as one preferred, the complexity extreme environment analog module includes simulation of wind module, the wind field
Analog module includes wind loading device 15, and the wind loading device 15 inside conveyance conduit I and environment cover 11 by being connected to.
The freezing loading device 12 is installed on the lower part of 11 side of environment cover.The wind loading device 15 is installed on environment
Cover 11 side lower parts.The equipment such as air blower can be used in wind loading device 15, and wind-force size and air-supply frequency are accurately controlled by console 1
Rate.The part that conveyance conduit I is located inside environment cover 11 is made of flexible material, adjusting made of flexible material
The end of conveyance conduit I exports, and enables to outlet towards all directions, to adjust load as needed during the test
The direction of wind.In addition, being blown by wind loading device 15, also it can collect or discharge by the air outlet 25 of environment cover 11
Particulate matter inside environment cover 11 realizes the function inside cleaning ambient atmosphere cover 11.
Structure as one preferred, the complexity extreme environment analog module include moist condition module, the humidity
Condition module includes the water filling device 10 that the top of environment cover 11 is arranged in, water filling device 10 can be it is any can be in gravity
To the container of 26 water delivery of flow tube under effect, the water filling device 10 inside flow tube 26 and environment cover 11 by connecting
It is logical, the friction block and 32 frictional interface of brake disc of the end alignment train braking module of flow tube 26.The water filling device 10
Flow control valve is provided between flow tube 26.Flow control threshold switch is controlled by console 1 and accurately controls water flow.
Structure as one preferred, the complexity extreme environment analog module includes low temperature analog module, the low temperature
Analog module includes freezing loading device 12, and the freezing loading device 12 passes through inside conveyance conduit II and environment cover 11
Connection.By adding temperature sensor inside environment cover 11, freezing loading device 12 can be accurately controlled by console 1
Switch and power, make 11 internal simulation different temperatures environment of environment cover.
It can be realized by programmed algorithm existing in the prior art above by each control process that console 1 carries out,
Explanation need not be further spread out in the present embodiment.
In addition, can also be reserved on environment cover 11 more in addition to enumerated complicated extreme environment analog module
Mounting hole facilitates researcher subsequent to install the complicated extreme environment analog module of more several classes on environment cover 11.
More friction block clamp brake modules, more friction block clamp brakings are connected in the present embodiment on brake module load seat 30
Module includes intermediate support 53 and cylinder I 55, and 53 both ends of intermediate support are respectively hinged with a bracket 54, described two brackets
54 one end is hinged with the both ends of cylinder I 55 respectively, and the other end of described two brackets 54 is respectively hinged with a friction block pressur plate
60, it is described friction block pressur plate 60 on be bolted for braking disc side provide brake force fixture I 59, fixture I
59 surfaces are provided with multiple train disc caliper braking brake pads 74, are arranged on the intermediate support 53 by joint support seat 52
There is the clamp mounting plate 49 for connecting brake module load seat 30.
As a preferred mode, column are provided between more friction block clamp brake modules and brake module load seat 30
Vehicle friction radius adjusts device, and the train friction radius adjustment device includes friction radius adjustment device support plate 44, described
It is provided with guide rail 48 in friction radius adjustment device support plate 44, sliding slot 47 is provided on the guide rail 48, on the sliding slot 47
More friction block clamp brake module mounting bases 46 are connected with, more friction block clamp brake module mounting bases 46 are installed with clamp
Plate 49 connects, and is additionally provided in the friction radius adjustment device support plate 44 for pushing more friction block clamp brake modules to pacify
Fill the screw rod 45 that seat 46 moves back and forth.
As a preferred mode, the top of the friction block pressur plate 60 is connected with Hanging bolt 50, the suspension spiral shell
It is provided with rigidity device for precision regulating 51 at the top of bolt, is provided with below the rigidity device for precision regulating 51 for connecting braking mould
Block loads the clamp mounting plate 49 of seat 30, and the clamp mounting plate 49 is connected to more friction block clamp brake module mounting bases 46
On, kidney slot is provided on the clamp mounting plate 49, the Hanging bolt 50 passes through kidney slot and constitutes and clamp mounting plate 49
Between slidable connection, be provided with spring 61 between 50 lower end of Hanging bolt and clamp mounting plate 49.
It will be by clamp mounting plate 49, Hanging bolt 50, joint support seat 52, intermediate support 53, bracket 54, cylinder I 55, gas
More friction block clamp brake modules peace that cylinder support 56, bolt I 57, bolt II 58, friction block pressur plate 60, spring 61 assemble
Seat 30, and the fixture I for train disc caliper braking brake pad 74 being provided with by certain arrangement form are loaded loaded on brake module
59 are fixedly connected by bolt with friction block pressur plate 60, install brake disc 32 in the shaft of brake module load seat 30, will be empty
Air compressor 8 is connect by air pressure pipeline with cylinder I 55, the complicated extreme ring required for installation test on environment cover 11
Border analog module, control system and test equipment connection type are consistent with the above, and testing crew is operated and completed before console 1
Relevant test job.
Embodiment 2
The present embodiment and 1 structure of embodiment are essentially identical, and difference is more friction block clamp brake modules changing into list
Friction block clamp brake module, the list friction block clamp brake module include cylinder II 67 and are used to load seat with brake module
The support frames 65 of 30 connections, are connected with support arm 64 on support frame as described above 65, and 64 both ends of support arm are respectively hinged with a curved boom 66,
One end of described two curved booms 66 is hinged with the both ends of cylinder II 67 respectively, and the other end of described two curved booms 66 is respectively hinged with one
A friction module unit 63 for braking disc side offer brake force.
It, will be by friction module unit 63, branch when carrying out the train braking performance test of single friction block under different shape
Single friction block clamp brake module that arm 64, support frame 65, curved boom 66, cylinder II 67 assemble is installed on brake module load
Seat 30, and the fixture II 75 that single friction block clamp braking brake pad 76 is mounted with certain shapes is passed through into bolt and friction block
Unit 63 is fixedly connected, and installs brake disc II 62 in the shaft of brake module load seat 30, air compressor 8 is passed through air pressure
Pipeline is connect with cylinder II 67, and control system and test equipment connection type are consistent with the above, and testing crew is grasped before console 1
Make and completes relevant test job.
In the present embodiment, II 75 surface of fixture is only provided with a single friction block clamp braking brake pad 76, this braking
Friction block is not likely to produce resonance in braking process, thus is not necessarily to the suspension spiral shell being arranged as the structure in embodiment 1
Bolt 50 and spring 61 carry out caching vibration damping.Therefore, support frame 65 usually only needs to be connected to the side of brake module load seat 30
?.After selecting the structure, the present embodiment can by adjusting or replacement curved boom 66 realize the change of friction radius.
Embodiment 3
The present embodiment and 1 structure of embodiment are essentially identical, and difference, which is to change into more friction block clamp brake modules, steps on
Face brake module, tread brake module includes the tread brake mounting base 68 for connecting with brake module load seat 30, described
Cylinder III 70 and tyre tread bearing diagonal 69 are fixedly connected in tread brake mounting base 68, the lower end of the tyre tread bearing diagonal 69 is hinged
There is intermediate bar 71, the stretching direction of the cylinder rod of the cylinder III 70 is arranged straight down, the end of cylinder rod and intermediate bar 71
Hingedly, the end of the intermediate bar 71 is connected with tread brake friction block 72, the tyre tread bearing diagonal 69 and tread brake friction
Block 72 is located at the two sides of the cylinder rod, and the tread brake friction block 72 is located at the top of brake disc.
It, will be by tread brake mounting base 68, tyre tread bearing diagonal 69, cylinder when carrying out train tread brake performance test
III 70, intermediate bar 71, tread brake friction block 72 tread brake module be installed on brake module load seat 30, and braking mould
Block, which loads, installs tread brake wheel 73 in the shaft of seat 30, air compressor 8 is connect by air pressure pipeline with cylinder III 70, is controlled
System and test equipment connection type processed is consistent with the above, and testing crew operates before console 1 and completes relevant test work
Make.
The specific embodiment of the application above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
The limitation to the application protection scope therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, under the premise of not departing from technical scheme design, various modifications and improvements can be made, these belong to this
The protection scope of application.
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910197653.6A CN109799101A (en) | 2019-03-15 | 2019-03-15 | A kind of train braking property test platform for simulating complicated extreme environment operating condition |
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| CN201910197653.6A CN109799101A (en) | 2019-03-15 | 2019-03-15 | A kind of train braking property test platform for simulating complicated extreme environment operating condition |
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| CN114061941A (en) * | 2021-10-18 | 2022-02-18 | 吉林大学 | Experimental environment adjusting test method and system for new energy vehicle gearbox and test box |
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| CN114061941A (en) * | 2021-10-18 | 2022-02-18 | 吉林大学 | Experimental environment adjusting test method and system for new energy vehicle gearbox and test box |
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| CN118966068B (en) * | 2024-08-08 | 2025-01-24 | 兰州交通大学 | Selection method for adaptability of wind field environment and wind resistance braking control in high-speed train running line section |
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