CN203672637U - Testing platform for wheel pair axle box device of high-speed train - Google Patents
Testing platform for wheel pair axle box device of high-speed train Download PDFInfo
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- CN203672637U CN203672637U CN201320868257.XU CN201320868257U CN203672637U CN 203672637 U CN203672637 U CN 203672637U CN 201320868257 U CN201320868257 U CN 201320868257U CN 203672637 U CN203672637 U CN 203672637U
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Abstract
A testing platform for a wheel pair axle box device of a high-speed train belongs to the technical field of rail transit. The testing platform provided by the utility model provides an effective testing verifying platform for performing dynamic analysis and fault diagnosis research on the wheel pair axle box device of the high-speed train. The testing platform comprises the components of: a rail inclination angle control system, a rail wheel driving system, a first bogie mechanism, a second bogie mechanism and a compartment loading system. The rail inclination angle control system is composed of components of: a base, a plurality of jacks which are fixed on the base, and a plurality of base supporting mechanisms. The rail wheel driving system is arranged above the rail inclination angle control system. The rail wheel driving system is composed of a first rail wheel mechanism, a second rail wheel mechanism, a base, a motor, a first gearbox and a second gearbox. Supporting columns are fixed on the base. The first bogie mechanism and the second bogie mechanism are arranged on the supporting columns. The compartment loading system is arranged above the first bogie mechanism and the second bogie mechanism. The compartment loading system is composed of positioning rods, loaders and a compartment.
Description
Technical field
The utility model belongs to track traffic technical field, relates to a kind of bullet train and takes turns the testing table to axle box device.
Background technology
Along with the continuous increase of high-speed railway mileage and the progressively raising of travelling speed, the experimental study of bullet train is extensively concerned, and the construction of testing table is extensively paid attention to.Lot of experiments research work has all been done at car load 1:1 full-scale test bench teat proved recipe face by Japan, Germany, the U.S..Domestic carload test bed mostly is car load rolling rig at present, as the rolling vibration table of Southwest Jiaotong University, and the rolling rig of Dalian Internal Combustion Engine institute, half car rolling rig of Zhuzhou Electric Locomotive Institute.Owing to building, the full-scale rolling stock test platform of 1:1 engineering is huge and development cost is high, and undersized small scale testing table enjoyed favor in recent years.China in Shanghai, the railway subordinate university in Lanzhou and Chengdu has similar 1:5 rolling rig.In order to make the test findings of small scale testing table consistent with full-scale vehicle operating result, in Test-bed Design process, to meet following similar: (1) behavior is similar: require two kinds of systems to have similar behavior property, observe the scaling law, the theorem that there are definite relation; (2) geometric similarity: mainly emphasize the proportionate relationship in geometric configuration; (3) physical similarity: mainly refer to the similar of physical quantity, similar as physical attributes such as proportion, density, surface adhesion forces, can certainly be the Similar Problems such as time, gravity field.But it is perfect that the testing table having existed is failed in the following aspects: (1) has no report to axle box device fault diagnosis as the bullet train carload test bed of main goal in research to take turns; (2) rarely has discussion from dynamics angle at the structure aspects testing table similar to actual bullet train; (3) and structural similarity low taking cost also do not have bibliographical information as the bullet train testing table of target; (4) take turns the reasonable platform to axle box device method for diagnosing faults verification experimental verification there are no the bullet train based on equivalent load.
In order to make up above-mentioned deficiency, specialized designs this bullet train take turns axle box device testing table, provide effective verification experimental verification platform to bullet train wheel to the fault diagnosis research of axle box device.
Utility model content
The problem existing for prior art, the utility model provides a kind of bullet train to take turns axle box device testing table, and dynamic analysis and fault diagnosis research that this carload test bed is taken turns axle box device bullet train provide effective verification experimental verification platform.
To achieve these goals, the utility model adopts following technical scheme: bullet train is taken turns axle box device testing table, comprises orbit inclination control system, rail wheel drive system, first, second bogie units and compartment loading system; Orbit inclination control system is made up of several lifting jack and several base supporting mechanisms basic, that be fixed on basis, rail wheel drive system is arranged on orbit inclination control system top, rail wheel drive system is made up of first, second rail wheel mechanism, base, motor and first, second reducer casing, and base is fixed on the top of lifting jack top and base supporting mechanism; On base, be provided with four motors, each motor shaft is all connected with the first reducer casing, and the first reducer casing is connected with the second reducer casing; The first reducer casing is connected with the first rail wheel mechanism, and the second reducer casing is connected with the second rail wheel mechanism; First, second reducer casing and first, second rail wheel mechanism are all fixed on base; On base, be fixed with several pillars, on pillar, be provided with first, second bogie units, on each pillar, be provided with slideway, on each slideway, be provided with upper and lower slide block, first, second bogie units all and between sliding block is connected by lower slider vibroshock, described compartment loading system is arranged on the top of first, second bogie units, compartment loading system is made up of backstay, several loaders, compartment, backstay is fixed on pillar, compartment is arranged on backstay below, and is connected with backstay by loader; Between compartment and top shoe, be connected by upper slip vibroshock.
Described several lifting jack are arranged in line, and several base supporting mechanisms are arranged in line vertically, and the straight line parallel setting that is arranged into of the straight line that is arranged into of lifting jack and base supporting mechanism.
Described base supporting mechanism is made up of supporting seat, clutch shaft bearing, the first end cap, transparent cover, axle and the first axle sleeve, on axle, be provided with the first axle sleeve, the two ends of axle are connected with left and right supporting seat by left and right clutch shaft bearing respectively, and left and right supporting seat is fixed on basis; The base of described rail wheel drive system is fixed on supporting seat, is respectively arranged with the first end cap and transparent cover at the two ends of supporting seat.
Described first, second rail wheel mechanism is by bearing seat, rail wheel, the second bearing, the second end cap, wheel shaft and the second axle sleeve composition, on wheel shaft, be provided with rail wheel, wheel shaft two ends are connected with left and right bearing seat by left and right the second bearing respectively, on described rail wheel one side, wheel shaft, there is the shaft shoulder, on rail wheel opposite side, wheel shaft, be provided with the second axle sleeve, be provided with the second end cap at the two ends of described left and right bearing seat; Described the first reducer casing is connected with the wheel shaft of the first rail wheel mechanism, and the second reducer casing is connected with the wheel shaft of the second rail wheel mechanism, and the bearing seat of described first, second rail wheel mechanism is fixed on base.
Described first, second bogie units is by framework, axletree, wheel, axle box and upper and lower vibroshock composition, above framework, be provided with vibroshock on several, be provided with several lower vibroshocks in frame underneath, be provided with axletree in framework front and rear portions, the two ends of every axletree are all connected with lower vibroshock by axle box; On every axletree, be provided with wheel, the rail wheel of wheel and rail wheel drive system one by one corresponding, coordinate, between framework and sliding block, be connected by lower slider vibroshock, between framework and the compartment of compartment loading system, be connected by upper vibroshock.
Described loader is made up of screw rod, the seat of honour, spring, positioning screw and lower; Spring is arranged between upper and lower seat, and the seat of honour of loader is connected with backstay by screw rod, and lower of loader is connected with compartment by positioning screw.
Described motor is connected with power control system, and power control system is made up of frequency converter and isochronous controller, and motor is connected with motor isochronous controller by frequency converter respectively.
The beneficial effects of the utility model:
Bullet train of the present utility model is taken turns axle box device testing table, provides effective verification experimental verification platform to bullet train wheel to the fault diagnosis research of axle box device, and concrete beneficial effect is as follows:
1, the wheel tread of the utility model experiment table adopts worn profiled wheel tread, has avoided adopting the problem of taper tread serious wear in the past, makes wheel keep stable to profile, has improved and has tested science, accuracy, the validity of obtaining data;
2, the utility model testing table adopts and regulates the method for lifting jack to realize when actual bullet train wheel is turned to axle box device outside track height higher than the simulation of the situation of inner orbit height, adopt first, second reducer casing to realize the homonymy vehicle wheel rotational speed of same bogie units consistent, the same rotating speed of each wheel while adopting motor isochronous controller to realize rectilinear orbit operation, adopting upper and lower spring damping vibroshock to solve miniature high-speed Train experiment platform one is the problem comparatively separating with damper relative position with two-line suspension spring;
3, base of the present utility model, motor rack, framework, pillar and compartment adopt the method for channel-section steel welding to make, not only reduce production cost but also retain the structure similar to true train, adopting four motors to complete simulation train turns and craspedodrome motion state, the transverse vibration that adopts rubber absorbers to subdue compartment, adopts the method for screw compression spring to simulate axle weight.
Brief description of the drawings
Fig. 1 is that bullet train of the present utility model is taken turns the structural representation to axle box device testing table;
Fig. 2 is the structural representation of base supporting mechanism of the present utility model;
Fig. 3 is the structural representation of the of the present utility model first or second rail wheel mechanism;
Fig. 4 is the structural representation after loader of the present utility model, backstay and compartment are installed;
Fig. 5 is the structural representation of the of the present utility model first or second bogie units;
Fig. 6 is the circuit theory diagrams of power control system of the present utility model;
In figure, 1-basis, 2-lifting jack, 3--base supporting mechanism, 4--the first end cap, 5--supporting seat, 6--clutch shaft bearing, 7-transparent cover, 8-axle, the 9-the first axle sleeve, 10-base, 11-motor rack, 12-motor, 13-shaft coupling, the 14-the first reducer casing, the 15-the first rail wheel mechanism, the 16-the second rail wheel mechanism, 17-rail wheel, 18-bearing seat, 19-shaft shoulder, 20-wheel shaft, the 21-the second axle sleeve, the 22-the second bearing, the 23-the second end cap, the 24-the second reducer casing, 25-lathe bed, the 26-the first bogie units, the 27-the second bogie units, 28--framework, 29-axletree, 30-axle box, 31-wheel, 32-upper spring damping shock absorber, 33-lower spring damping shock absorber, 34-web joint, 35-pad, 36-pillar, 37-backstay, 38-compartment, 39-loader, 40-seat of honour, 41-lower, 42-positioning screw, 43-screw rod, 44-spring, 45--slideway, 46--top shoe, 47--sliding block, 48-upper slip rubber absorbers, 49--lower slider rubber absorbers, 50--sensor localization bar.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
The bullet train wheel of the present embodiment is 1:4 to axle box device testing table and actual bullet train wheel to the ratio of axle box device.
As shown in Fig. 1～Fig. 6, bullet train is taken turns axle box device testing table, comprises orbit inclination control system, rail wheel drive system, first, second bogie units and compartment loading system; Described orbit inclination control system is made up of basis 1, several lifting jack 2 and several base supporting mechanisms 3, several lifting jack 2 are arranged in line, several base supporting mechanisms 3 are arranged in line, and the straight line that the straight line that lifting jack 2 is arranged into and base supporting mechanism 3 are arranged into is parallel to each other, base supporting mechanism 3 is fixed on the upper surface on basis 1 with lifting jack 2; Base supporting mechanism 3 is made up of supporting seat 5, clutch shaft bearing 6, the first end cap 4, transparent cover 7, axle 8 and the first axle sleeve 9, axle 8 through the first axle sleeve 9 endoporus and and the inwall of the first axle sleeve 9 be connected by interference fit; Axle 8 two ends are connected with left and right supporting seat 5 by left and right clutch shaft bearing 6 respectively, between the outer wall of axle 8 and the inner ring of clutch shaft bearing 6, be all connected by interference fit between the outer ring of clutch shaft bearing 6 and the inwall of supporting seat 5; Supporting seat 5 is fixed on basis 1; Be respectively arranged with the first end cap 4 and transparent cover 7 at the two ends of supporting seat 5, prevent that the clutch shaft bearing 6 in supporting seat 5 from coming off;
Described rail wheel drive system is arranged on orbit inclination control system top, rail wheel drive system is by first, the second rail wheel mechanism, base 10, motor 12 and first, the second reducer casing composition, first, the second rail wheel mechanism is by bearing seat 18, the second end cap 23, rail wheel 17, the second bearing 22, wheel shaft 20 and the second axle sleeve 21 form, rail wheel 17 is arranged on wheel shaft 20, between rail wheel 17 and wheel shaft 20, adopt key to be fixedly connected with, to limit the circular motion between rail wheel 17 and wheel shaft 20, rail wheel 17 is arranged by two parallel lines directions, and the straight line of arranging with lifting jack 2 parallels, the two ends of wheel shaft 20 are connected with left and right bearing seat 18 by left and right the second bearing 22 respectively, between the outer wall of described wheel shaft 20 and the inner ring of the second bearing 22, be all connected by interference fit between the outer ring of the second bearing 22 and the inwall of supporting seat 18, on rail wheel 17 1 sides, wheel shaft 20, there is the shaft shoulder 19, on rail wheel 17 opposite sides, wheel shaft 20, be provided with the second axle sleeve 21, between the outer wall of wheel shaft 20 and the inwall of the second axle sleeve 21, be connected by interference fit, the shaft shoulder 19 and the second axle sleeve 21 limit moving axially of rail wheel 17, be provided with the second end cap 23 at the two ends of bearing seat 18, prevent that the second bearing 22 in bearing seat 18 from coming off in bearing seat 18, on base 10, be provided with four jiaos of end face that 12, four motors 12 of four motors are distributed in base 10, four motors 12 are all fixed on motor rack 11, and motor rack 11 is bolted on base 10, four motor 12 axles are all connected with the input shaft of the first reducer casing 14 by shaft coupling 13, the first reducer casing 14 has two output shafts, an output shaft is connected with the input shaft of the second reducer casing 24 by shaft coupling 13, another root output shaft of the first reducer casing 14 is connected with the wheel shaft 20 of the first rail wheel mechanism 15 by shaft coupling 13, and the output shaft of the second reducer casing 24 is connected with the wheel shaft 20 of the second rail wheel mechanism 16 by shaft coupling 13, the bearing seat 18 of described first, second reducer casing and first, second rail wheel mechanism is all fixed on lathe bed 25, and lathe bed 25 is bolted on base 10, base 10 bottoms are fixed on the top of the supporting seat 5 of lifting jack 2 tops and base supporting mechanism 3,
On described base 10, be fixed with four pillars 36, four pillars 36 are arranged into rectangle, at the first two pillar 36, on latter two pillar 36, be respectively arranged with first, the second bogie units, first, the second bogie units is by framework 28, axletree 29, wheel 31, axle box 30 and on, lower spring damping shock absorber composition, framework 28 is rectangular frame, above framework 28, be fixed with two upper spring damping shock absorbers 32 by screw, below framework 29, four jiaos are fixed with lower spring damping shock absorber 33 by screw, the bottom of lower spring damping shock absorber 33 is all fixedly connected with the top of axle box 30, before below framework 29, rear portion is provided with axletree 29, the two ends of every axletree 29 are connected with axle box 30 by bearing, on every axletree 29, be provided with two wheels 31, each wheel 31 is all corresponding one by one with the rail wheel 17 of rail wheel drive system, coordinate, two axle boxes 30 that are arranged on the same side of framework 29 front and rear portions are connected by web joint 34, on described pillar 36, be provided with slideway 45, on each slideway 45, be provided with upper and lower slide block, upper and lower slide block is fixed with respectively upper and lower slip rubber absorbers by pad 35, the framework 28 of first, second bogie units is connected with sliding block 47 by lower slider rubber absorbers 49, to can move up and down along the slideway of pillar 36 45, described compartment loading system is arranged on the top of first, second bogie units, compartment loading system is made up of forward and backward backstay 37, four loaders 39 and compartment 38, the two ends of forward and backward backstay 37 are separately fixed on the first two pillar 36, latter two pillar 36, compartment 38 is rectangular frame, compartment 38 is arranged on backstay 37 belows, and is connected with backstay 37 by the symmetrically arranged loader 39 in front and back, loader 39 is made up of screw rod 43, the seat of honour 40, spring 44, positioning screw 42 and lower 41, spring 44 is arranged between upper and lower seat, and the two ends of spring 44 are connected with upper and lower seat respectively, the seat of honour 40 of loader 39 is connected with backstay 37 by screw rod 43, and lower 41 of loader 43 is connected with compartment 38 by positioning screw 42, realized compartment 38 is loaded by screw-in screw rod 43 Compress Springs 44: screw rod 43 presses seat 40 at present at screw-in, under the seat of honour 40 acts on lower 41, spring 44 compresses and then compartment 38 is loaded, between the framework 28 of compartment 38 and first, second bogie units, be connected by upper spring damping shock absorber 32, between compartment 38 and top shoe 46, be connected by upper slip rubber absorbers 48, to can move up and down along the slideway of pillar 36 45.
Described base 10, motor rack 11, framework 28, pillar 36 and compartment 38 all adopt the method for channel-section steel welding to make.
Described first, second reducer casing all adopts T12 bevel type gear reducer casing.
The tread of described wheel 31 adopts worn profiled wheel tread, has avoided adopting the problem of taper tread serious wear in the past.
Described motor 12 is connected with power control system, power control system is made up of frequency converter and isochronous controller, the input end of described motor 12 is connected with the output terminal of motor isochronous controller by frequency converter respectively, and motor isochronous controller adopts TB-4 motor isochronous controller.
Below in conjunction with a brief description of the drawings use procedure of the present utility model:
As shown in Fig. 1～Fig. 6, use bullet train of the present utility model to take turns axle box device testing table, can obtain bullet train wheel to axle box device the dynamic response result when the negotiation of bends, its detailed process is as follows:
Step 1: connect the power lead of motor isochronous controller, but do not connect with three-phase supply, thereby avoid maloperation that motor is turned over;
Step 2: operation lifting jack 2, make to move on the push rod of lifting jack 2, the more than 10 all parts of base of the present utility model are all rotated around the axle 8 of base supporting mechanism 3, rotational angle requires to set according to different tests, be used for simulating the orbit inclination θ of train in the time of bend, its computing formula is
wherein, x is the push rod extension elongation of lifting jack 2, and L is lifting jack 2 distance of the axle 8 of seat supports mechanism 3 on earth, in the time of L=1022.75mm, in order to simulate the orbit inclination of train when the bend
when radian, the push rod extension elongation of lifting jack 2
Operate lifting jack 2 and make its push rod stretch out 17.85mm, complete orbit inclination
the test condition simulation of radian;
Step 3: in the utility model testing table, the simplified structure that compartment loading system and first, second bogie units are actual compartment, but cause wheel 31 to bear the vertical load problem of closing that do not conform to the actual conditions, increased vertical load and solve by tightening screw rod 43; For wheel 31 bears and the actual vertical load being consistent, the decrement of spring 44 is 0.5mm;
Step 4: on the vertical plane of the axis by every axletree 29 of the present utility model and surface level, four displacement transducers are installed respectively, four displacement transducers are all fixed on framework 28 by sensor localization bar 50; (can be according to testing requirements, by changing sensor localization bar 50 or changing the installation of sensors hole on sensor localization bar 50, increase or reduce the number of installation position displacement sensor) on first, second bogie units and compartment 38, acceleration transducer is installed;
Step 5: according to the speed of test train, calculate the rotating speed r of the motor 12 under straight way driving cycle:
.3 its in 05 2VV be test train speed, D is true train radius of wheel, r
lfor wheel 31 radiuses, r
gfor rail wheel 17 radiuses, the ratio of gear that i is first, second reducer casing, works as V=200km/h, D=0.86m, r
l=0.215m, r
g=0.5m, when i=2, the turn/per minute of rotating speed r=5.3052*200=1061 of motor 12;
Step 6: by obtaining the rotating speed r of the motor 12 under straight way driving cycle in step 5, adjust motor synchro control i device, make motor 12 with friction speed rotation, realize the simulation of driving cycle on bend, now the rotating speed r of two motors 12 in bend outside
1rotating speed r with two motors 12 of curve inner side
2be calculated as follows:
wherein r
lfor wheel 31 radiuses, r
gfor rail wheel 17 radiuses, V is test train speed, and D is true train radius of wheel, the radius of turn that R is bend, and r is the rotating speed of the motor 12 under straight way driving cycle, the ratio of gear that i is first, second reducer casing, works as r
l=0.215m, r
g=0.5m, V=200km/h, D=0.86m, R=800m, turn/per minute of r=5.3052*200=1061, when i=2, the rotating speed r of two motors 12 in bend outside
1=1062 turn/per minutes, the rotating speed r of two motors 12 of curve inner side
2=1060 turn/per minutes; The power lead of motor isochronous controller is connected to three-phase supply, open motor isochronous controller and frequency converter;
Step 7: the displacement signal recording according to displacement transducer, can obtain the axle center displacement curve of measurement point axletree 29, also can utilize this displacement signal to obtain acceleration and the speed curve over time of corresponding point; The acceleration signal recording according to acceleration transducer, can obtain the acceleration curve over time of any point on first, second bogie units and compartment 38, obtain bullet train wheel to axle box device the dynamic response result when the negotiation of bends; Utilize above-mentioned displacement, acceleration signal, can carry out the vibration characteristics evaluation of axletree, bogie and the car body etc. of demonstration test to axle box device kinetic model of the car load of bullet train while travelling or wheel and bullet train etc. on bend;
Step 8: the power supply of disable motor isochronous controller, testing table is out of service.
The bullet train that the utility model can carry out under malfunction is taken turns fault dynamics and the Analysis on Fault Diagnosis research to axle box device, the kinetic test test of the bullet train wheel under Axle crack state to axle box device, and its operation steps is as follows:
, between wheel 31 and rail wheel 17, only there is the vertical load producing due to gravity in steps A: it is heavily zero that back-out screw rod 43 makes axle;
Step B: utilize crane that framework 28 is sling, wheel 31 is separated with rail wheel 17, utilize another crane that an axletree 29 is held, and this axletree 29 is dismantled, taken out from the utility model testing table with axletree 29 is connected therewith wheel 31 and axle box 30;
Step C: the two ends of axletree 29 are taken out from axle box 30, wheel 31 on dismounting axletree 29, by the wheel 31 of prefabricated crackle axletree and dismounting assemble after and axle box 30 be mounted to one, then installation all-in-one-piece crackle axletree, wheel 31 and axle box 30 are installed back on framework 28 of the present utility model;
Step D: repetitive operation step 1 is to step 8, show that the bullet train having under crackle state at axletree 29 takes turns the kinetic test test findings to axle box device.
Claims (7)
1. bullet train is taken turns an axle box device testing table, it is characterized in that comprising orbit inclination control system, rail wheel drive system, first, second bogie units and compartment loading system; Orbit inclination control system is made up of several lifting jack and several base supporting mechanisms basic, that be fixed on basis, rail wheel drive system is arranged on orbit inclination control system top, rail wheel drive system is made up of first, second rail wheel mechanism, base, motor and first, second reducer casing, and base is fixed on the top of lifting jack top and base supporting mechanism; On base, be provided with four motors, each motor shaft is all connected with the first reducer casing, and the first reducer casing is connected with the second reducer casing; The first reducer casing is connected with the first rail wheel mechanism, and the second reducer casing is connected with the second rail wheel mechanism; First, second reducer casing and first, second rail wheel mechanism are all fixed on base; On base, be fixed with several pillars, on pillar, be provided with first, second bogie units, on each pillar, be provided with slideway, on each slideway, be provided with upper and lower slide block, first, second bogie units all and between sliding block is connected by lower slider vibroshock, described compartment loading system is arranged on the top of first, second bogie units, compartment loading system is made up of backstay, several loaders, compartment, backstay is fixed on pillar, compartment is arranged on backstay below, and is connected with backstay by loader; Between compartment and top shoe, be connected by upper slip vibroshock.
2. bullet train according to claim 1 is taken turns axle box device testing table, described in it is characterized in that, several lifting jack are arranged in line, several base supporting mechanisms are arranged in line vertically, and the straight line parallel setting that is arranged into of the straight line that is arranged into of lifting jack and base supporting mechanism.
3. bullet train according to claim 1 is taken turns axle box device testing table, it is characterized in that described base supporting mechanism is made up of supporting seat, clutch shaft bearing, the first end cap, transparent cover, axle and the first axle sleeve, on axle, be provided with the first axle sleeve, the two ends of axle are connected with left and right supporting seat by left and right clutch shaft bearing respectively, and left and right supporting seat is fixed on basis; The base of described rail wheel drive system is fixed on supporting seat, is respectively arranged with the first end cap and transparent cover at the two ends of supporting seat.
4. bullet train according to claim 1 is taken turns axle box device testing table, it is characterized in that described first, second rail wheel mechanism is by bearing seat, rail wheel, the second bearing, the second end cap, wheel shaft and the second axle sleeve composition, on wheel shaft, be provided with rail wheel, wheel shaft two ends are connected with left and right bearing seat by left and right the second bearing respectively, on described rail wheel one side, wheel shaft, there is the shaft shoulder, on rail wheel opposite side, wheel shaft, be provided with the second axle sleeve, be provided with the second end cap at the two ends of described left and right bearing seat; Described the first reducer casing is connected with the wheel shaft of the first rail wheel mechanism, and the second reducer casing is connected with the wheel shaft of the second rail wheel mechanism, and the bearing seat of described first, second rail wheel mechanism is fixed on base.
5. bullet train according to claim 1 is taken turns axle box device testing table, it is characterized in that described first, second bogie units is by framework, axletree, wheel, axle box and upper and lower vibroshock composition, above framework, be provided with vibroshock on several, be provided with several lower vibroshocks in frame underneath, be provided with axletree in framework front and rear portions, the two ends of every axletree are all connected with lower vibroshock by axle box; On every axletree, be provided with wheel, the rail wheel of wheel and rail wheel drive system one by one corresponding, coordinate, between framework and sliding block, be connected by lower slider vibroshock, between framework and the compartment of compartment loading system, be connected by upper vibroshock.
6. bullet train according to claim 1 is taken turns axle box device testing table, it is characterized in that described loader is made up of screw rod, the seat of honour, spring, positioning screw and lower; Spring is arranged between upper and lower seat, and the seat of honour of loader is connected with backstay by screw rod, and lower of loader is connected with compartment by positioning screw.
7. bullet train according to claim 1 is taken turns axle box device testing table, it is characterized in that described motor is connected with power control system, power control system is made up of frequency converter and isochronous controller, and motor is connected with motor isochronous controller by frequency converter respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320868257.XU CN203672637U (en) | 2013-12-26 | 2013-12-26 | Testing platform for wheel pair axle box device of high-speed train |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320868257.XU CN203672637U (en) | 2013-12-26 | 2013-12-26 | Testing platform for wheel pair axle box device of high-speed train |
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| CN203672637U true CN203672637U (en) | 2014-06-25 |
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| CN201320868257.XU Expired - Lifetime CN203672637U (en) | 2013-12-26 | 2013-12-26 | Testing platform for wheel pair axle box device of high-speed train |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103728144A (en) * | 2013-12-26 | 2014-04-16 | 东北大学 | Test bed of high-speed train wheel set axle box device |
| CN105067291A (en) * | 2015-07-28 | 2015-11-18 | 芜湖科创生产力促进中心有限责任公司 | Bogie suspension parameter test system |
| CN106198001A (en) * | 2016-07-18 | 2016-12-07 | 中车戚墅堰机车车辆工艺研究所有限公司 | Locomotive axle drive system no-load test platform |
| CN116618982A (en) * | 2023-05-19 | 2023-08-22 | 龙铁纵横（北京）轨道交通科技股份有限公司 | Axle box disassembling device for motor car wheel set |
-
2013
- 2013-12-26 CN CN201320868257.XU patent/CN203672637U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103728144A (en) * | 2013-12-26 | 2014-04-16 | 东北大学 | Test bed of high-speed train wheel set axle box device |
| CN103728144B (en) * | 2013-12-26 | 2016-01-20 | 东北大学 | Bullet train wheel set axle box device testing table |
| CN105067291A (en) * | 2015-07-28 | 2015-11-18 | 芜湖科创生产力促进中心有限责任公司 | Bogie suspension parameter test system |
| CN106198001A (en) * | 2016-07-18 | 2016-12-07 | 中车戚墅堰机车车辆工艺研究所有限公司 | Locomotive axle drive system no-load test platform |
| CN116618982A (en) * | 2023-05-19 | 2023-08-22 | 龙铁纵横（北京）轨道交通科技股份有限公司 | Axle box disassembling device for motor car wheel set |
| CN116618982B (en) * | 2023-05-19 | 2024-05-10 | 龙铁纵横（北京）轨道交通科技股份有限公司 | Axle box disassembling device for motor car wheel set |
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