CN104236936B - A kind of Efficient track bogie of car static test equipment - Google Patents
A kind of Efficient track bogie of car static test equipment Download PDFInfo
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- CN104236936B CN104236936B CN201410555431.4A CN201410555431A CN104236936B CN 104236936 B CN104236936 B CN 104236936B CN 201410555431 A CN201410555431 A CN 201410555431A CN 104236936 B CN104236936 B CN 104236936B
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Abstract
The present invention relates to a kind of Efficient track bogie of car static test equipment, including static test bed and empty spring systems test bed.Empty spring systems test bed by including portal frame and hydraulic cylinder of the invention, and increase by 2 road hydraulic circuits in static test bed, for providing loading source for the loading of empty spring systems test bed；Increase by 2 tunnels inflation gas circuit simultaneously in static test bed, for air spring source of inflation gas being provided for empty spring systems test bed, to realize air-tight test and differential pressure valve operation test to air spring.The work such as air spring air-tight test, differential pressure valve operation test are only carried out by empty spring systems test bed；And bogie static test bed only measure steering framing wheel weight and its difference, Y-axis away from and its work such as difference, catercorner length and its difference, the adjustment of gear-box suspension rod height and printout total Test result；And two testing stand share a set of control system so that two testing stands simultaneously work independently, and substantially increase detection efficiency.
Description
Technical field
The invention belongs to rail vehicle manufactures field, more particularly to a kind of efficient rail vehicle truck static test sets
Standby.
Background technology
The bogie of rail vehicle is a critical component of rail vehicle, and its direct bearing body is conducted oneself with dignity and load-carrying, draws
Guide-car is run along railroad track, it is ensured that vehicle passes through curve, and have slow down from vehicle run when due to track not
Smooth-going brings the effect of vibration and impact.Accordingly, it would be desirable to the performance that bogie is assembled is tested using testing stand, specially
To steering framing wheel weight and its measurement of difference, Y-axis away from and its measurement of difference, the measurement of catercorner length and its difference, sky
The measurement of spring air-tight test, differential pressure valve operation test, adjustment of gear-box suspension rod height etc. are tested, and in prior art
Above-mentioned all experiment works are completed using bogie static test bed typically.As can be seen here, existing bogie static test bed holds
The work of load is more and particular importance, and for the working time of the testing stand, completing all pilot projects, to generally require 1.5 little
When or so, the efficiency of bogie assembly production chain production is seriously constrained, in particular with carrying for other tooling device efficiency
Height, existing bogie static test bed become one of bottleneck of raising assembling bogie production efficiency.In addition, existing bogie
, when a certain project is tested, wherein with the project is tested, the function of other unrelated devices is idle, causes for static test bed
The greatly wasting of resources.
Content of the invention
The invention aims to solving the shortcoming and defect of above-mentioned prior art, there is provided a kind of raising experiment work effect
Rate, preferably can play each device function, saving equipment and construction investment Efficient track bogie of car static test
Equipment.
The present invention is achieved by the following technical solutions：A kind of Efficient track bogie of car static test equipment, bag
Include
One be used for measure steering framing wheel weight and its difference, Y-axis away from and its difference, catercorner length and its difference, adjustment
Gear suspension rod height and the static test bed of printout total Test result；The static test bed include operational control cabinet,
Oil pump air pump assembly, test mechanism and support；The operational control cabinet, oil pump air pump assembly and test mechanism are fixedly arranged on support
On, the oil pump air pump assembly and test mechanism are electrically connected with operational control cabinet respectively, and control its work by operational control cabinet
State；
And one be used for completing the empty spring system test of bogie air spring air-tight test and differential pressure valve operation test
Platform；The sky spring system experimental includes sky spring portal frame, for simulating the two of car body load-carrying empty spring load cylinders and being used for is
Two empty spring aerating pipes of the air spring supply of bogie；Described two empty spring load cylinders are vertically fixedly arranged on sky spring portal frame
In, and its input connected by the oil sources delivery outlet of an oil pipe and oil pump air pump assembly respectively and connected；Described two empty spring inflations
Pipeline is fixedly arranged in sky spring portal frame respectively, and its input port is connected with the source of the gas delivery outlet connection of oil pump air pump assembly respectively, its
Delivery outlet is connected with the outfan connection of two empty spring load cylinders respectively.
The oil sources equipped at outlet port of the oil pump air pump assembly is divided into 4 separate hydraulic pressure by a working connection and returns
Road：Wherein 2 hydraulic circuits are concatenated with two empty spring load cylinders respectively, for the loading that simulation turns to built on stilts spring to test；Separately
Outer 2 hydraulic circuits are concatenated with test mechanism respectively, for the loading that simulation turns to built on stilts spring to test；Oil pump air pump assembly
Source of the gas equipped at outlet port is divided into 4 separate inflation gas circuits by a main gas circuit, and per 2, inflation gas circuit is tried with static load respectively
The air inlet that platform is tested with the empty spring aerating pipe of empty spring systems test bed is connected.
The input of described two empty spring load cylinders also passes through a hydraulic control valve electrically connected with operational control cabinet respectively
Concatenate with wherein 2 hydraulic circuits, the input port of described two empty spring aerating pipes is electrically connected with operational control cabinet by one respectively
Gas path control valve with wherein 2 inflation gas circuits connection connect.
The beneficial effects of the present invention is：By empty spring systems test bed, (in the present invention, empty spring is the letter of air spring
Claim), complete the work such as the empty spring air-tight test to bogie and differential pressure valve operation test；By static test bed, it is right to complete
Bogie enter road wheel weight and its difference measurement, Y-axis away from and its difference measurement, diagonal and its difference measurement, gear-box suspension rod
The work such as the adjustment of height, meet two bogies while being tested.With existing bogie carries Jing Tai both at home and abroad at present
Compare, the air spring air-tight test not high with static load measure the item relatedness and differential pressure valve operation test separated,
And air spring air-tight test and the about 45 minutes time needed for differential pressure valve operation test.Therefore, tried by empty spring system
Test platform to share the work of current existing both at home and abroad static test bed, be equivalent to complete all of measurement item of bogie
Mesh is only needed 45 minutes or so, reduces half within 1.5 hours the time required to comparing existing test, substantially increase test efficiency,
And the effect of each device and structure is fully played.Further, by static test bed and empty spring system test
Platform shares a set of oil pump air pump assembly and operational control cabinet, and empty spring systems test bed shares a set of control with the operation of static test bed
System processed and software and hardware, on the input and output software of the operating system of operational control cabinet, by the operation interface of two testing stands
Separate, and cause each bogie corresponding with two testing stands respectively using the operation interface of itself, to be so conducive to avoiding
Obscure operation.Therefore, Efficient track bogie of car static test equipment of the present invention substantially increase experiment work efficiency, can
Preferably play the function of each device, dramatically saves on equipment and construction investment.
In order to more fully understand and implement, the present invention is described below in conjunction with the accompanying drawings in detail.
Description of the drawings
Fig. 1 is the structural representation of Efficient track bogie of car static test equipment of the present invention；
Fig. 2 is the structural representation of the static test bed of the present invention；
Fig. 3 is the structure enlarged diagram in Fig. 2 shown in A；
Fig. 4 is the structural representation of the empty spring systems test bed of the present invention.
Specific embodiment
Fig. 1 is referred to, Efficient track bogie of car static test equipment of the present invention includes static test bed 1 and empty spring system
System testing stand 2.By empty spring systems test bed 2, the air spring air-tight test to bogie and the examination of differential pressure valve events is completed
The work such as test；After the test of empty spring passes through, then by static test bed 1, complete the wheel weight to bogie and its difference measurement, a left side
Right axle away from and its work such as difference measurement, diagonal and its difference measurement, the adjustment of gear-box suspension rod height, it is achieved that two turns
Tested to frame simultaneously.The current existing both at home and abroad static test bed of contrast, the present invention will be with other measure the item relatednesss
Not high air spring air-tight test and differential pressure valve operation test are separated, and air spring air-tight test and differential valve
About 45 minutes time needed for action test.Therefore, the work of static test bed 1 is carried out by empty spring systems test bed 2
Share so that the bogie static loading experiment equipment of the present invention complete all of measure the item of bogie only need 45 minutes left
The right side, reduces half in 1.5 hours the time required to being equivalent to the test of existing static loading experiment platform, substantially increase test efficiency and
And the effect of each device and structure is fully played.
Please refer to Fig. 2 and Fig. 3, the static test bed 1 be used for measuring steering framing wheel weight and its difference, Y-axis away from
And its difference, catercorner length and its difference, adjustment gear suspension rod height and printout total Test result, which includes
Support 11, operational control cabinet 12, oil pump air pump assembly 13 and test mechanism.The operational control cabinet 12, oil pump air pump assembly 13
It is fixedly arranged on support 11 with test mechanism, the oil pump air pump assembly 13 and test mechanism are electrically connected with operational control cabinet 12 respectively
Connect, and its working condition is controlled by operational control cabinet 12.
The oil pump air pump assembly 13 by the gentle pump group of oil pump into, and in the oil pump air pump assembly 13 oil pump oil sources defeated
Exit is divided into 4 separate hydraulic circuits by a working connection, the source of the gas output of air pump in oil pump air pump assembly 13
4 separate inflation gas circuits are divided into by a main gas circuit at mouthful.
The test mechanism includes that 141, two, two straight line T-slot guide rails rise 142, two measurement rails 143 of guide rail, quiet
Carry portal frame 15, two static load load cylinders 16 and two static load aerating pipes.The two straight lines T-slot rail plate 141 is mutual
Parallel and edge longitudinal direction is installed in 11 top surface opposite sides of support, is fitted with sliding along on every T-slot rail plate
And the two wheel load measurement apparatus 18 for electrically connecting with operational control cabinet 12 respectively, to be applied to two axle truck.Described two
Rise guide rail and be arranged on the inner side of the wheel load measurement apparatus 18 on two straight line T-slot rail plates 141, and with two straight line T-slots
Rail plate 141 is parallel.Two measurement rails 143 are used for measuring wheel load measurement apparatus 18 relative to 1 coordinate of static test bed
The vertical coordinate of system, its are electrically connected with operational control cabinet 12 respectively, and are respectively arranged at two and are risen between guide rail 142, and with two
Rise guide rail 142 parallel.The static load portal frame 15 includes two columns 151 and a crossbeam group 152, and two columns 151 are vertically fixed
On support 11, and the outside positioned at two straight line T-slot rail plates 141；Crossbeam group 152 is installed between two columns, and position
Middle and upper part in two columns.The two static loads load cylinder 16 is vertical to be arranged on crossbeam, and respectively with oil pump air pump assembly 13
Wherein 2 hydraulic circuit concatenations of middle oil pump, and the input of two static load load cylinders 16 is also respectively by one and operational control
The hydraulic control valve of the electrical connection of cabinet 12 is concatenated with above-mentioned 2 hydraulic circuits.The axis of the two static loads load cylinder 16 for vertical,
Each static load load cylinder is vertically connected in the crossbeam group 152 of static load portal frame 15 by its oil cylinder drum flange, and each
Piston rod in the start cylinder tube of static load load cylinder stretches out downwards, and the end of piston rod is provided with one and makees dynamic head, and
This makees to be provided with an act pressure sensor in dynamic head, and the piston rod of each static load load cylinder can be in crossbeam group transversely
Mobile, to meet the bogie test of different sky spring spans.The two static loads aerating pipe is arranged on the horizontal stroke of static load portal frame 15
In beam group 152, its input port is respectively by a gas path control valve electrically connected with operational control cabinet 12 and oil pump air pump assembly 13
Wherein 2 inflation gas circuit connections of middle air pump connect, and its delivery outlet is connected with the dynamic head of making in two static load load cylinders 16 respectively
Lead to and connect.
Further, each wheel load measurement apparatus 18 includes a slide block being slidably mounted on T-slot rail plate, a connection
Zigzag tread patterns oil cylinder in slide block, one are fixedly arranged on the base plate of weighing of the slider top, one are fixedly installed in plate top surface of weighing
Support roller axle box that pressure transducer, one are fixedly arranged on LOAD CELLS top surface, it is installed on the inside of support roller axle box two support rollers, is arranged on
The laser sensor of two support roller middle and lower parts.The piston rod of the zigzag tread patterns oil cylinder is connected with slide block, for making wheel load measure dress
Put 18 to vertically move interior in a big way along T-slot rail plate.Pressure transducer in each wheel load measurement apparatus is used for surveying
The pressure born by amount wheel load measurement apparatus.Two support rollers on each support roller axle box are used for supporting bogie wheel, its axle
Line direction is horizontal, and the axis of the support roller in each wheel load measurement apparatus 18 is all located in same level, and the horizontal plane is
The measurement datum of static test bed 1.The laser sensor is used for measuring wheel load measurement apparatus 18 relative to static test bed 1
The abscissa of coordinate system, that is, the laser sensor in 2 wheel load measurement apparatus of track side is used for indirect measurement wheel
To inner side away from, be obtained after conversion minimum point on bogie car wheel tread rolling circle in 1 coordinate system of static test bed
Abscissa.
Further, two liters of guide rails 142 are used for guiding the wheel rim of 4 wheels of bogie to enter into test mechanism
In, and rise guide rail per bar be respectively arranged at two ends with a hoist cylinder, the piston rod of hoist cylinder is connected with guide rail is risen, lifting
The cylinder barrel of oil cylinder is fixed on support 11.
Further, multiple gauge adjusting rods 19 are additionally provided between the two measurements rail 143, to meet the steering of different gauges
Frame is tested, and its adjusting range is 980～1676mm.Structure and existing static test bed due to the gauge adjusting rod 19 of the present invention
Gauge adjusting rod structure identical, therefore tire out state.
Each measuring sensor in static test bed 1 is electrically connected with operational control cabinet 12, and by operational control cabinet
12 control its working condition.
Please refer to Fig. 4, the empty spring systems test bed 2 is used for completing bogie air spring air-tight test and difference
The work of pressure valve action test, it include sky spring portal frame 21, for simulate the two of car body load-carrying empty spring load cylinders 22 and
The two empty spring aerating pipes for the air spring supply for bogie.Described two empty spring load cylinders 22 are vertically fixedly arranged on sky
In spring portal frame 21, and its input is connected with the oil sources delivery outlet connection of oil pump air pump assembly 13 by an oil pipe respectively；Institute
State two empty spring aerating pipes to be fixedly arranged in sky spring portal frame 21 respectively, its input port is defeated with the source of the gas of oil pump air pump assembly 13 respectively
Outlet connects, and its delivery outlet is connected with the outfan connection of two empty spring load cylinders 22 respectively.
The empty spring portal frame 21 includes that two columns 211 and a crossbeam group 212, the crossbeam group 212 are arranged on two columns
Between 211, and positioned in the middle and upper part of two columns 211.
Described two empty spring load cylinders 22 pass through the vertical horizontal stroke being connected in sky spring portal frame 21 of its oil cylinder drum flange respectively
Beam group 212, and its piston rod stretches out downwards.The loading pressure head 221 that the piston rod end of each empty spring load cylinder is provided with, should
Loading pressure head 221 is installed on piston rod end by the loading force transducer that is electrically connected with operational control cabinet 12.And described two
Empty spring load cylinder 22 is concatenated with other 2 hydraulic circuits of oil pump in oil pump air pump assembly 13 respectively, and its input is also distinguished
Concatenate with the hydraulic control valve and above-mentioned 2 hydraulic circuits of the electrical connection of operational control cabinet 12 by one.
The two empty spring aerating pipes are arranged in the crossbeam group 212 of sky spring portal frame 21, its delivery outlet respectively and and its
Loading pressure head connection in the empty spring load cylinder of connection connects, and its input port is respectively by a gas path control valve and oil pump air pump
In unit, other 2 inflations gas circuit connection of air pump connects.Per bar, empty spring aerating pipe includes connecting hard tube and the flexible pipe for connecting,
Hard tube in aerating pipe is connected with an inflation gas circuit connection of air pump in the oil pump air pump assembly 13 of static test bed, its flexible pipe
Delivery outlet connect with the loading pressure head connection in empty spring load cylinder, so as to the source of the gas in air pump is imported to hard tube and flexible pipe
In so that compressed air is exported in the air spring of bogie by flexible pipe.
In actual applications, for neat appearance and it is easy to operate and saves purchase cost, static test bed 1 and sky spring system
The structure of the load cylinder on the gantry frame structure of system testing stand 2, portal frame is consistent with the structure of aerating pipe.
Hereinafter, the course of work of the present invention is sketched：
Tested bogie enters its Accreditation Waiting Area from the upper station of empty spring systems test bed 2, on empty spring places backing plate, opens
The operational control cabinet 12 of static test bed 1, starts oil pump air pump assembly 13, pushes tested bogie to sky spring systems test bed 2,
Decline the empty spring load cylinder 22 of simulation car body weight and load-carrying so as to load the air inlet that pressure head 221 is directed at empty spring, tested
The front and back wheel of bogie arranges stirrup strap, makes tested bogie not produce scroll forward and backward in test process；Due to each turn
Can there is difference in the load applied to frame, then be manipulated by loading force of the cabinet 12 according to needed for tested bogie to by preliminary operation
Apply suitable load to frame；Regulation air pressure is inflated to simultaneously to empty spring, in each joint of empty spring systems test bed, such as differential pressure
Apply at valve and touch suds, each joint is observed with the presence or absence of leakage.After the static pressure stipulated time, system records tested bogie automatically
The drop-out value of hollow spring air pressure, the value must be within the limits prescribed；Then, close empty spring air inlet, allow tested bogie its
In an empty spring A deflate, as two empty springs of tested bogie are connected by pipeline and differential valve, then its another empty
Spring B also can produce aerofluxuss simultaneously；Due to the presence of differential valve, the remaining pressure of empty spring B should be greater than atmospheric pressure, this remaining pressure
Value must be within the limits prescribed；Turn off the air vent of the air pump in 1 oiling pump air pump assembly 13 of static test bed, and be by
Two empty springs inflations of examination bogie, after inflation is finished, make sky spring B aerofluxuss, then watch the remaining pressure value of sky spring A, and this is remaining
Pressure value also must be within the limits prescribed.When empty spring does not have leakage and the remaining pressure value of differential valve meets regulation, right
Empty spring is exhausted, and lifts the piston rod that empty spring loads oil hydraulic cylinder, lays down 4 stirrup straps, bogie is pushed to static test bed 1
Accreditation Waiting Area.
1 modulated bearing of static test bed away from and 4 wheel load measurement apparatus 18 equal with the wheelbase of tested bogie with regard to
Under conditions of static load load cylinder 16 is all around symmetrical, starts the liter guide rail 19 of static test bed 1, be allowed to flat with ground
Together.By by empty 2 pass the test of spring systems test bed and the tested bogie of the Accreditation Waiting Area for being placed on static test bed 1 is manually pushed away
Deliver in the test mechanism of static test bed 1, make 4 wheels of tested bogie be located in 4 wheel load measurement apparatus 18 and just go up
Side, while lower falling-rising guide rail 142 is to minimum point, now tested bogie will rest upon 8 of 4 wheel load measurement apparatus 18
On support roller.Then, 8 support rollers are driven to rotate, between the wheel of support roller bogie in the presence of Creep Forces and creep torque, by
On the T-slot rail plate 141 that the bottom of 4 wheel load measurement apparatus 18 is simply seated in lubricating oil, non-bolted joint,
Frictional force very little and there is gap, so the position of 4 wheel load measurement apparatus 18 can be made according to the position of 4 wheels of bogie
Small adjustment.Decline static load load cylinder 15, due to being previously adjusted work, the dynamic head of making of each static load load cylinder 16 can be certainly
The air inlet of the dynamic empty spring for being directed at tested bogie, continues to be loaded onto ordinance load, while authorized pressure is inflated to empty spring, then
Secondary drive 8 wheel supports to rotate, make the position of 4 wheel load measurement apparatus 18 according to the position of 4 wheels of tested bogie make into
The small adjustment of one step.Stop driving, each wheel of the laser sensor automatic measurement in 18 central authorities of wheel load measurement apparatus relative to
The abscissa of static test bed 1, vertical coordinate of each wheel of measure track automatic measurement relative to static test bed 1, according to 2 points
Between range formula, such system calculates the wheelbase of the bogie left and right sides and its difference automatically, two diagonal of bogie and
Its difference；The pressure transducer test of wheel load measurement apparatus bottom obtains the wheel weight of 4 wheels of tested bogie and its difference.One
As for, wheel-base bogie and its difference, two diagonal of bogie and its difference were measured in preceding processes, used as redundancy
Control, merely just makees further check；For wheel weight and its difference of 4 wheels, some bogies can not meet requirement,
Should now there is cushioning below axle spring, be operated by the method regulation of test program, be not further described.For motor-car is turned to
Frame, in the difference in height that static test bed 1 will also measure two datum mark of the gear-box of bogie and traction electric machine, method is in standard
Horizon rule is disposed across in liter guide rail 19, on the basis of horizon rule, using vernier height gauge prototype gear case and traction electric machine
Difference in height, if the difference is unsatisfactory for requiring, gear-box suspension rod height should be carried out by the requirement of technical papers and method
Adjustment.According to the requirement of test program, static test bed needs under ordinance load effect repeatedly to try tested bogie
Test.When the tested bogie for being located at static test bed 1 respectively test corner qualified after, lift the piston rod of static load load cylinder 16 extremely
Proper height, rises promotion guide rail 142, is allowed to concordant with ground, the bogie of pass the test is manually pushed to next station.
Repeat above-mentioned work, the next bogie of test is so sequentially carried out, and makes sky spring systems test bed 2 and static load examination
Test platform 1 to be operated according to production task.
In addition, the present invention also has other variant embodiments, for example：Static test bed 1 in the present invention directly can be utilized
Static test bed of the prior art is transformed, that is, on the basis of existing static loading experiment platform, to existing static loading experiment platform
Hydraulic circuit and inflation gas circuit transformed, set up the hydraulic pressure of 2 branches on the hydraulic main circuit of existing static test bed
Loop, and be concatenated in two empty spring static load oil cylinders by a hydraulic control valve respectively；While filling in existing static test bed
The inflation gas circuit of 2 tunnel branches is set up in the main gas circuit of gas, and two empty spring aerating pipes are linked into by a gas path control valve respectively.
Relative to prior art, Efficient track bogie of car static test equipment of the present invention substantially increases experiment work
Efficiency, the function that can preferably play each device, minimizing space utilization, save construction investment.
Above-mentioned embodiment is the invention is not limited in, if to various changes of the invention or deformation without departing from the present invention
Spirit and scope, if these change and deformation belong to the present invention claim and equivalent technologies within the scope of, then this
Bright be also intended to comprising these change and deform.
Claims (3)
1. a kind of Efficient track bogie of car static test equipment, it is characterised in that：Including
One be used for measure steering framing wheel weight and its difference, Y-axis away from and its difference, catercorner length and its difference, adjustment gear
Suspension rod height and the static test bed of printout total Test result；The static test bed includes operational control cabinet, oil pump
Air pump assembly, test mechanism and support；The operational control cabinet, oil pump air pump assembly and test mechanism are fixedly arranged on support, institute
State oil pump air pump assembly and test mechanism is electrically connected with operational control cabinet respectively, and its working condition is controlled by operational control cabinet；
And one be used for completing the empty spring systems test bed of bogie air spring air-tight test and differential pressure valve operation test；Should
Empty spring system experimental includes sky spring portal frame, is used for simulating two empty spring load cylinders of car body load-carrying and is used for as steering
Two empty spring aerating pipes of the air spring supply of frame；Described two empty spring load cylinders are vertically fixedly arranged in sky spring portal frame,
And its input is connected with the oil sources delivery outlet connection of oil pump air pump assembly by an oil pipe respectively；Described two empty spring aerating pipes
It is fixedly arranged in sky spring portal frame respectively, its input port is connected with the source of the gas delivery outlet connection of oil pump air pump assembly respectively, and which exports
Mouth is connected with the outfan connection of two empty spring load cylinders respectively.
2. Efficient track bogie of car static test equipment according to claim 1, it is characterised in that：The oil pump gas
The oil sources equipped at outlet port of pump assembly is divided into 4 separate hydraulic circuits by a working connection：Wherein 2 hydraulic circuits point
Do not concatenate with two empty spring load cylinders, for the loading that simulation turns to built on stilts spring to test；Other 2 hydraulic circuits respectively with examination
Mechanism's concatenation is tested, for the loading that simulation turns to built on stilts spring to test；The source of the gas equipped at outlet port of oil pump air pump assembly is led by one
Gas circuit is divided into 4 separate inflation gas circuits, per 2 inflation gas circuit respectively with static test bed and sky spring systems test bed
Empty spring aerating pipe air inlet be connected.
3. Efficient track bogie of car static test equipment according to claim 2, it is characterised in that：Described two empty springs
The input of load cylinder is also respectively by a hydraulic control valve electrically connected with operational control cabinet and wherein 2 hydraulic circuit strings
Connect, the input port of described two empty spring aerating pipes passes through a gas path control valve electrically connected with operational control cabinet and wherein 2 respectively
Bar inflation gas circuit connection connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410555431.4A CN104236936B (en) | 2014-10-17 | 2014-10-17 | A kind of Efficient track bogie of car static test equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410555431.4A CN104236936B (en) | 2014-10-17 | 2014-10-17 | A kind of Efficient track bogie of car static test equipment |
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| Publication Number | Publication Date |
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| CN104236936A CN104236936A (en) | 2014-12-24 |
| CN104236936B true CN104236936B (en) | 2017-03-15 |
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| CN201410555431.4A Expired - Fee Related CN104236936B (en) | 2014-10-17 | 2014-10-17 | A kind of Efficient track bogie of car static test equipment |
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| CN105014596B (en) * | 2015-06-30 | 2016-11-30 | 中车南京浦镇车辆有限公司 | The plugging technology of truck bolster pore |
| CN106959216B (en) * | 2017-05-24 | 2023-07-25 | 襄阳国铁机电股份有限公司 | Tramcar bogie static load test device |
| CN107101840B (en) * | 2017-05-31 | 2019-05-31 | 中车青岛四方车辆研究所有限公司 | Wheel is to test booster and wheel track pilot system |
| CN107132062A (en) * | 2017-05-31 | 2017-09-05 | 中车青岛四方车辆研究所有限公司 | Test device of weighing and bogie test system |
| CN112525563B (en) * | 2020-11-20 | 2023-11-24 | 湖南根轨迹智能科技有限公司 | Suspension bogie comprehensive test bed and test equipment |
| WO2022122162A1 (en) * | 2020-12-10 | 2022-06-16 | Nencki Ag | Test stand for testing bogies of rail vehicles |
| CN113946786B (en) * | 2021-11-11 | 2023-11-28 | 北京地铁车辆装备有限公司 | Displacement checking method of gearbox suspender for railway vehicle |
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| CN201876366U (en) * | 2010-09-27 | 2011-06-22 | 北京新联铁科技发展有限公司 | Static load test table for bogie of railway vehicle |
| CN103471786A (en) * | 2013-10-09 | 2013-12-25 | 株洲时代新材料科技股份有限公司 | Double-position air spring assembling and air impermeability testing device and using method thereof |
| CN204202888U (en) * | 2014-10-17 | 2015-03-11 | 广东南车轨道交通车辆有限公司 | A kind of Efficient track bogie of car static test equipment |
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| CN104236936A (en) | 2014-12-24 |
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