CN205691333U - Electric power power closed loop monodentate roller box hydraulic exciting tilting low-temperature test platform - Google Patents

Abstract

This utility model relates to a kind of electric power power closed loop monodentate roller box hydraulic exciting tilting low-temperature test platform, it is fixed with electric power closed loop monodentate roller box tilting testing stand, horizontal exciting device, low-temperature test system, No. 1 conjuncted column of gantry frame, No. 2 conjuncted columns of gantry frame on vibration isolation T-slot cast iron platform, No. 1 conjuncted column of gantry frame and No. 2 conjuncted columns of gantry frame are fixed with No. 1 gantry vertical hanging excitation system and No. 2 vertical hanging in gantry excitation systems；Low-temperature test system includes low-temperature cooling system, insulation cooling circular flexible pipeline and axial flow machine assembly and low-temperature test wooden cold wind circulating box；Low-temperature cooling system provides cold air with the circulation of axial flow machine assembly to low-temperature test wooden cold wind circulating box by insulation cooling circular flexible pipeline.Solve in prior art and on different testing stands, carry out testing the loaded down with trivial details and inaccurate problem of result of the test being removed and installed by tested gear-box.

Description

Electric power power closed loop monodentate roller box hydraulic exciting tilting low-temperature test platform

Technical field

This utility model relates to a kind of rail vehicle Train Parameters detection test platform, is specifically related to a kind of electric power merit Rate closed loop monodentate roller box hydraulic exciting tilting low-temperature test platform.

Background technology

At present, the development of High Speed Train in China technology is advanced by leaps and bounds, and a new generation's the highest operating speed of EMUs has reached 380km/h, the highest test speed of EMUs of up-to-date development is already close to 600km/h.The raising of train running speed and vehicle The lifting of axle heavy load exacerbates wheel to the impact shock between track, the riding comfort of rail vehicle and the peace of operation Full property and stationarity problem gradually highlight.Gear-box, as the vitals of rail vehicle truck, is responsible for the power of train It is right to pass to take turns, and the quality of its performance directly influences bogie or even the performance of whole train.The working environment ratio of gear-box More complicated, carrying change frequently, is easily being run at high speed and fatigue rupture is being occurred in the case of strenuous exercise.Therefore, must By compbined test detection means, whether the overall performance index of the gear-box after assembling must be reached reliability requirement to sentence Fixed.

In rail vehicle actual motion, gear-box may be by the stress of different directions and impact shock, its fault It is probably the superposition of one or more failure modes, in rail vehicle actual motion, the most only detects gear box arrangement event Barrier, could analyze the reliability of gear-box effectively.And existing railway vehicle gear case detection method major part is all root Set specific operating condition of test according to the gear-box failure mode occurred and gear-box is carried out fail-safe analysis, it is impossible to be true Reflection gear-box working environment in train actual motion.Gear-box is made to allow for meeting due to the speed-raising of EMUs again Reliability requirement under high speed high pulling torque operating mode, drives the power of motor to have higher requirement, existing gear to testing stand Case testing stand is mostly to test under open loop situations, does not need only provide for bigger extrinsic power, also results in energy in examination Waste during testing.

Summary of the invention

The purpose of this utility model is to provide a kind of electric power power closed loop monodentate roller box hydraulic exciting tilting low temperature Testing stand, solves in prior art and carries out testing loaded down with trivial details and examination on different testing stands being removed and installed by tested gear-box Test the inaccurate problem of result.

The purpose of this utility model is achieved through the following technical solutions:

A kind of electric power power closed loop monodentate roller box hydraulic exciting tilting low-temperature test platform, casts including vibration isolation T-slot Ferrum platform 8, described vibration isolation T-slot cast iron platform 8 is fixed with electric power closed loop monodentate roller box tilting testing stand 1, laterally Exciting device 2, low-temperature test system 4, No. 2 conjuncted columns of gantry frame 5 of 3, No. 1 conjuncted column of gantry frame, No. 1 described dragon It is fixed with No. 1 vertical hanging in gantry excitation system 6 and No. 2 dragons on the conjuncted column of door frame 4 and No. 2 conjuncted columns of gantry frame 5 The vertical hanging excitation system 7 of door；Described No. 1 suspension two in electric power closed loop monodentate roller box tilting testing stand 1 is to swashing Shake Pivoting bearing base device 50 and No. 2 suspensions two swash with No. 1 vertical hanging in gantry respectively to exciting Pivoting bearing base device 51 Vertical exciting actuator devices in vibrating system 6 and No. 2 vertical hanging in gantry excitation systems 7 is rotated even by vertical linkage Connect；Hanging swinging axle 48 and No. 2 tiltedly tested by described No. 1 gear-box in electric power closed loop monodentate roller box tilting testing stand 1 Gear-box inclining experiment hanging swinging axle 49 is hung on No. 1 conjuncted column of gantry frame 4 and No. 2 conjuncted columns of gantry frame 5 Installing hole in；Axial vibration bearing block 41 in described electric power closed loop monodentate roller box tilting testing stand 1 is with the most sharp Horizontal exciting linkage 21 in vibrating device 2 is rotationally connected；Described low-temperature test system 3 include low-temperature cooling system 22, Insulation cooling circular flexible pipeline and axial flow machine assembly 23 and low-temperature test wooden cold wind circulating box 24；Described low temperature Test wooden cold wind circulating box 24 and be arranged on tested gear-box 52 outside, by fully wrapped around for tested gear-box 52；Sub-cooled system System 22 is circulated to low-temperature test wooden cold wind circulating box with axial flow machine assembly 23 by insulation cooling circular flexible pipeline 24 provide cold air.

As more excellent technical scheme of the present utility model: No. 1 described vertical hanging in gantry excitation system 6 includes No. 1 Vertical exciting hangs gantry entablature device 11 and No. 1 vertical exciting hangs gantry entablature device height adjusting cushion plate 14, described 2 Number vertical hanging in gantry excitation system 7 includes that No. 2 vertical excitings hang gantry entablature device 12 and No. 2 vertical excitings hanging dragons The two ends that door 13, No. 1 vertical exciting of entablature device height adjusting cushion plate hangs gantry entablature device 11 are bolted on No. 1 The conjuncted column of gantry frame 4 and No. 2 gantry frame conjuncted column 5 upper surfaces, No. 2 vertical excitings hang gantry entablature device 12 Hang gantry entablature device 11 with No. 1 vertical exciting to fix side by side；No. 1 described vertical exciting hangs gantry entablature device 11 and No. 2 vertical excitings hang gantry entablature device 12 and No. 1 conjuncted column of gantry frame 4 and No. 2 gantry frames are conjuncted vertical The junction of post 5 is provided with No. 1 exciting and hangs gantry entablature device height adjusting cushion plate 14 and No. 2 vertical excitings are hung on gantry horizontal Boom device height adjusting cushion plate 13.

As more excellent technical scheme of the present utility model: described electric power closed loop monodentate roller box tilting testing stand 1 In No. 1 gear-box tiltedly test hanging swinging axle 48 and No. 2 gear-box inclining experiments hanging swinging axles 49 to be fixed on tiltable high Shaft platform 34 is along both sides, long limit, and No. 1 gear-box tiltedly tests hanging swinging axle 48 and No. 2 gear-box inclining experiment hanging swinging axles 49 The two ends of tiltable height shaft platform 34 of homonymy be welded with tilt adjustments and fixing seat installing plate, four tilt adjustments are with fixing Seat installing plate is connected with fixing seat with the four platforms tilt adjustments being fixed on vibration isolation T-slot cast iron platform 8, and platform inclination is adjusted Whole with fixing seat on riser on be provided with some T-slot, tilt adjustments and fixing seat installing plate are provided with for T-shaped spiral shell The strip through hole that bolt passes through；Angle of inclination between tiltable height shaft platform 34 and vibration isolation T-slot cast iron platform 8 can adjust.

As more excellent technical scheme of the present utility model: described electric power closed loop monodentate roller box tilting testing stand 1 Also include No. 1 empty spring standing balance and vertical vibration guidance system 35 and No. 2 empty spring standing balance and vertical vibration guidance system 37, No. 1 empty spring standing balance provide to exciting Pivoting bearing base device 50 for No. 1 suspension two with vertical vibration guidance system 35 Flexible constraint supporting role, No. 2 empty spring standing balance are that No. 2 suspensions two are to exciting hinge axis with vertical vibration guidance system 37 Bearing device 51 provides flexible constraint supporting role.

As more excellent technical scheme of the present utility model: No. 1 described empty spring standing balance guides system with vertical vibration 35 and No. 2 empty spring standing balance of uniting and vertical vibration guidance system 36 all include underslung bearing seat U-shaped guide rail and gas spring abutment 63, empty Air spring fill 64 and U-shaped frame on win 65 in succession, No. 1 described empty spring standing balance and vertical vibration guidance system 35 also include C-shaped Frame support shaft and clamping plate assembly 66 and C-shaped frame swing connecting bar support column 67；Described underslung bearing seat U-shaped guide rail and gas spring abutment 63 by 68, No. 2 spacing leads of U-shaped 69 of No. 1 spacing lead of U-shaped, underslung bearing seat U-shaped guide rail and gas spring abutment connecting bottom board 70 It is welded to form U-shaped structural member with air spring mounting seat 71；No. 1 spacing lead of U-shaped 68 and No. 2 spacing leads of U-shaped 69 Upper end is all welded with rectangular connecting panels, and the upper end of No. 2 spacing leads of U-shaped 69 is provided with C-shaped frame swing connecting bar support column 67,1 Being respectively welded guide plate on number spacing lead of U-shaped 68 and No. 2 U-shaped spacing lead 69 medial walls, guide plate makes suspension Two do catenary motion to exciting Pivoting bearing base device under exciting effect, limit the motion of its longitudinal direction；Underslung bearing seat U Shape guide rail and gas spring abutment connecting bottom board 70 are fixed on No. 1 spacing lead of U-shaped 68 and the bottom of No. 2 spacing leads of U-shaped 69, edge Long side direction is respectively provided with several for the manhole installing bolt；Spacing at No. 1 spacing lead of U-shaped 68 and No. 2 U-shapeds Between lead 69, underslung bearing seat U-shaped guide rail and gas spring abutment connecting bottom board 70 are welded with installation air spring assembly 64 Cup dolly；Two U-shaped frame upper plates 65 are arranged on No. 1 spacing lead of U-shaped 68 and the upper end of No. 2 spacing leads of U-shaped 69 Both sides front and back, limit suspension two to the motion in axial direction of exciting Pivoting bearing base device；Air spring assembly 64 is installed In air spring mounting seat 71, it is used for supporting suspension two to exciting Pivoting bearing base device.

As more excellent technical scheme of the present utility model: described electric power power closed loop monodentate roller box hydraulic exciting can Tilting low-temperature test platform also includes spring vibration isolation concrete foundation 9 and spring vibration isolation system 10, described vibration isolation T-slot cast iron Platform 8 is fixedly connected in spring vibration isolation concrete foundation 9, and pre-stressed base isolation spring system 10 is arranged on spring vibration isolation concrete foundation 9 Four right angle of lower section.

As more excellent technical scheme of the present utility model: described electric power power closed loop monodentate roller box hydraulic exciting can Tilting low-temperature test platform, also includes 83, No. 2 current transformers 84 of No. 1 current transformer and computer 85, described No. 1 current transformer 83,2 Number current transformer 84, computer 85 and the driving in electric power closed loop monodentate roller box tilting testing stand 1 or braking motor 38,3A move Vehicle motor 39, tested gear-box 52, tested gear-box axletree 53 form electric power closed-loop control system；Electrical network is powered through No. 1 change Stream device 83 is by power transmission to torque drive (or braking) motor 38, and the output shaft of torque drive (or braking) motor 38 is with tested One end of gear-box axletree 53 is connected by flexible clutch 42, and torque drive (or braking) motor 38 drives tested gear boxcar Axle 53 rotates and then drives tested gear-box 52 to operate, and the outfan of tested gear-box 52 is with 3A motor-car motor 39 by flexibility even Connecing device to connect, 3A motor-car motor 39 makes the braking of tested gear-box generate electricity, and delivers power to No. 2 current transformers 84 internal, passes through Rectification sends No. 1 current transformer 83 again to, and machine 85 is connected with No. 1 current transformer 83 and No. 2 current transformers 84 by holding wire, will instruction It is sent to 83, No. 2 current transformers 84 of No. 1 current transformer and controls its work, and then the carrying out of Control experiment.

A kind of for the electric power power closed loop monodentate roller box hydraulic exciting tilting low-temperature test described in claim 1 The hydraulic control system of platform, including hydraulic control host computer 76, Hydraulic System Controller 78, horizontal actuator electrohydraulic servo valve 79,80, No. 2 vertical actuator electrohydraulic servo valves 81 of No. 1 vertical actuator electrohydraulic servo valve and hydraulic power unit 82；Described hydraulic pressure Controlling host computer 76 to be connected by holding wire with Hydraulic System Controller 78, Hydraulic System Controller 78 is by three holding wires It is connected respectively to the vertical actuator electrohydraulic servo valve 80 of horizontal actuator electrohydraulic servo valve 79,1 and No. 2 vertical actuator are electro-hydraulic On servo valve 81, hydraulic oil is respectively enterd No. 1 vertical exciting actuator devices 15,2 by three flowlines of hydraulic power unit 82 In the hydraulic cylinder of vertical exciting actuator devices 17 and horizontal exciting actuator devices 19, then the oil return pipe via each actuator Return in hydraulic power unit 83；Hydraulic System Controller 78 receives the instruction that hydraulic control host computer 76 sends, and controls respectively laterally The vertical actuator electrohydraulic servo valve 80 of actuator electrohydraulic servo valve 79,1 and No. 2 vertical actuator electrohydraulic servo valves 81 logical Disconnected.Described Hydraulic System Controller 78 is provided with emergency stop switch 77.

Compared with prior art the beneficial effects of the utility model are:

1. in this utility model transverse hydraulic exciting device and portal frame vertical hanging hydraulic exciting device, Ke Yizhun Really simulate gear-box and axletree radial direction suffered in rail vehicle actual operating mode and vertical load and Vibration Condition, inspection Survey the tested gear-box various parameters under pulsating stress effect, it is also possible to make gear-box generation fatigue rupture, simulate gear-box Actual failure mode so that facilitate the reason that technical staff's fatigue analysis destroys.

2. the hanging of the gear-box inclining experiment on this utility model tiltable height shaft platform swinging axle is hung at gantry, both sides On the conjuncted column of framework, can axially produce certain inclination angle by four platforms tilt adjustments with the adjustment of fixing seat Degree, and tested gear-box can produce certain lateral inclination angle under the adjustment of C-shaped frame swing connecting bar, can be with analog detection tooth Roller box bullet train curvilinear motion, brake and accelerate in the case of the distribution of lubricating oil and lubrication circumstances.

3. the low-temperature test system in this utility model is for simulating the low temperature impact on gear-box, especially starts Cheng Zhong, the temperature impact on gear-box internal lubrication oil normal circulation.

4. this utility model is tested under electric power power closed loop states, both can simulate train traction motor output non- The biggest moment of torsion ensures reasonability and the correctness of gear-box detection, makes again energy recycle, it is only necessary to consume a small amount of dispatch from foreign news agency The energy provided just can maintain the carrying out of test.

In sum: this utility model structure is compact to design reasonable and installation and repairing is convenient, it is possible to bullet train gear Case carries out comprehensive reliability test, to improving the safe operation of train and improving the riding comfort of EMU and have very Good facilitation, has good Social benefit and economic benefit.

Accompanying drawing explanation

Fig. 1 is the axonometric projection view of agent structure of the present utility model composition；

Fig. 2 is that main body partial structurtes of the present utility model form axonometric projection view；

Fig. 3 is the axonometric projection view of the conjuncted column of gantry frame described in the utility model；

Fig. 4 is the structure composition axonometric projection of electric power closed loop monodentate roller box tilting testing stand described in the utility model View；

Fig. 5 is that the structure composition right side of electric power closed loop monodentate roller box tilting testing stand described in the utility model regards projection View；

Fig. 6 is tiltable height shaft platform axonometric projection view described in the utility model；

Fig. 7 is that single case described in the utility model test tested gear-box of suspended type vibration forms with axle assembly structure Axonometric projection view；

Fig. 8 is tested gear-box axletree axonometric projection view described in the utility model；

Fig. 9 is the axle survey of No. 1 empty spring standing balance described in the utility model and vertical vibration guidance system structure composition Projection view；

Figure 10 is the axle survey of No. 2 empty spring standing balance described in the utility model and vertical vibration guidance system structure composition Projection view；

Figure 11 is the axonometric projection view of underslung bearing seat U-shaped guide rail described in the utility model and gas spring abutment；

Figure 12 is the axonometric projection view of C-shaped frame support shaft described in the utility model and clamping plate assembly structure composition；

Figure 13 is hydraulic control system schematic diagram described in the utility model；

Figure 14 is electric power closed-loop control system schematic diagram described in the utility model；

In figure: 1. the horizontal exciting device 3. low-temperature test system 4. of electric power closed loop monodentate roller box tilting testing stand 2. No. 1 conjuncted column of the gantry frame 6. No. 1 vertical hanging in gantry excitation systems of 5. No. 2 conjuncted columns of gantry frame 7. 2 The vertical hanging in gantry excitation system 8. vibration isolation T-slot cast iron platform 9. spring vibration isolation concrete foundation 10. spring vibration isolation system 11. No. 1 vertical excitings are hung 12. No. 2 vertical excitings of gantry entablature device and are hung gantry entablature device 13. 2 and hang down Hang gantry 14. No. 1 vertical excitings of entablature device height adjusting cushion plate to exciting and hang gantry entablature device height adjusting cushion plate The vertical exciting actuator devices 18. of longitudinal beam 17. 2 on 16. No. 1 portal frames of 15. No. 1 vertical exciting actuator devices The horizontal exciting of the horizontal exciting actuator reaction support 21. of the horizontal exciting actuator devices of longitudinal beam 19. 20. on No. 2 portal frames Linkage 22. low-temperature cooling system 23. insulation cooling circular flexible pipeline tries with axial flow machine assembly 24. low temperature Test 25. No. 1 platform inclinations of wooden cold wind circulating box adjust and fix 26. No. 2 platform inclinations adjustment of seat and fix seat 27. No. 3 platform inclinations adjust and fix 28. No. 4 platform inclinations of seat and adjust and fix 29. No. 2 vertical excitings of seat and hang on gantry Beam device height adjusting cushion plate is installed 30. No. 1 vertical excitings of connecting plate and is hung gantry entablature device height adjusting cushion plate installation connection The welding conjuncted 32. gantry frame conjuncted column mounting base 33. gear-box inclining experiment hanging of plate 31. gantry frame column 35. No. 1 empty spring standing balance of swinging axle installing hole 34. tiltable height shaft platform case single with vertical vibration guidance system 36. The test tested gear-box of suspended type vibration and the empty spring standing balance of axle assembly 37. 2 and vertical vibration guidance system 38. Torque drive (or braking) motor 39. 3A motor-car motor 40. 3A motor-car motor support base 41. axial vibration bearing block 42. is soft Property 44. No. 1 platform inclinations of shaft coupling 43. tiltable height shaft platform welded pipe adjust and fix seat installing plate 45. 2 and put down 46. No. 3 platform inclinations of platform tilt adjustments and fixing seat installing plate adjust and fix 47. No. 4 platform inclinations tune of seat installing plate Whole hanging with 48. No. 1 gear-box inclining experiment hanging 49. No. 2 gear-box inclining experiments of swinging axles of fixing seat installing plate is put 50. No. 1 suspensions two of moving axis to 51. No. 2 suspensions two of exciting Pivoting bearing base device to exciting Pivoting bearing base device 52. tested gear-box 53. tested gear-box axletree 54. 1,55. No. 2 vertical actuator ears of vertical actuator earrings bearing pin Battle pin axle 56. tested gear-box C-shaped frame 57. tested gear-box C-shaped frame swing connecting bar 58. axial vibration bearing block installs axle 59. No. 1 suspensions two install 60. No. 2 suspensions two of axle to exciting Pivoting bearing base device to exciting Pivoting bearing base device The tested gear-box of axle 61. is installed axle 62. flexible clutch installation axle 63. underslung bearing seat U-shaped guide rail and gas spring abutment are installed 66.C shape frame support shaft of winning in succession on 64. air spring assembly 65.U shape framves is propped up with clamping plate assembly 67.C shape frame swing connecting bar 69. No. 2 U-shaped spacing lead 70. underslung bearing seat U-shaped guide rails of 68. No. 1 spacing leads of U-shaped of dagger are with gas spring abutment even Connect base plate 71. air spring mounting seat 72.C shape frame support shaft 73.C shape frame support shaft pressing plate 74.C shape frame support shaft and pressure Plate assembling bolt 75.C shape frame support shaft hanging bolt 76. hydraulic control host computer 77. emergency stop switch 78. hydraulic system control 81. No. 2 vertical actuator electricity of device 79. processed 80. No. 1 vertical actuator electrohydraulic servo valves of horizontal actuator electrohydraulic servo valve 84. No. 2 current transformer 85. computers of 83. No. 1 current transformers of hydraulic servo 82. hydraulic power unit.

Detailed description of the invention

Below in conjunction with the accompanying drawings this utility model is explained in detail:

Refering to Fig. 1 to Fig. 2, electric power power closed loop monodentate roller box hydraulic exciting tilting described in the utility model is low Temperature testing stand includes electric power closed loop monodentate roller box tilting testing stand 1, horizontal exciting device 2,3, No. 1 dragon of low-temperature test system 6, No. 2 vertical hangings in gantry of 5, No. 1 vertical hanging in gantry excitation system of 4, No. 2 conjuncted columns of gantry frame of the conjuncted column of door frame Excitation system 7, vibration isolation T-slot cast iron platform 8, spring vibration isolation concrete foundation 9, spring vibration isolation system 10.

Described vibration isolation T-slot cast iron platform 8 is cast-iron structure part, is fixedly connected on spring vibration isolation by foundation bolt and mixes On solidifying earth foundation 9, four right angle below spring vibration isolation concrete foundation 9 are provided with four sleeve spring vibrating isolation systems 10, subtract Few foundation vibration damage on testing stand and the impact on result of the test, also provide good proving ring for staff Border；Vibration isolation T-slot cast iron platform 8 upper surface is uniformly arranged some the T-slots being parallel to each other, and facilitates the peace of correlation test equipment Dress and the adjustment of position.No. 1 described conjuncted column of gantry frame 4 and No. 2 conjuncted columns of gantry frame 5 are arranged on vibration isolation side by side In the left and right sides of T-slot cast iron platform 8, No. 1 vertical hanging in gantry excitation system 6 and No. 2 vertical hanging in gantry excitation systems 7 No. 1 vertical exciting hang gantry entablature device 11 and No. 2 vertical excitings are hung gantry entablature device 12 and passed through spiral shell respectively Bolt is arranged on No. 1 conjuncted column of gantry frame 4 and No. 2 gantry frame conjuncted column 5 upper surfaces side by side, constitutes gantry frame knot Structure, hangs gantry entablature device 11 and No. 2 vertical excitings are hung at the two of gantry entablature device 12 even at No. 1 vertical exciting Connect lower surface and No. 1 conjuncted column of gantry frame 4 and No. 2 gantry frame conjuncted column 5 upper surfaces are provided with No. 1 vertical exciting and hang Hang gantry entablature device height adjusting cushion plate 14 and No. 2 vertical excitings hang gantry entablature device height adjusting cushion plate 13, can pass through Quantity regulating No. 1 gantry vertical hanging excitation system 6 of backing plate and No. 2 gantry vertical hanging excitation systems 7 are increased or decreased Highly；On No. 1 portal frame, on longitudinal beam 16 and No. 2 portal frames, longitudinal beam 18 is arranged on No. 1 by the rocker bar bearing formula of taking side by side and hangs down Hang gantry entablature device 11 to exciting and No. 2 vertical excitings hang the two ends of gantry entablature device 12 end face；No. 1 gantry No. 1 vertical exciting actuator devices in vertical hanging excitation system 6 and No. 2 vertical hanging in gantry excitation systems 7 and No. 2 vertical Exciting actuator devices 17 passes through vertical linkage therein and No. 1 suspension two respectively to exciting Pivoting bearing base device 50 Bearing pin is used to be rotationally connected with No. 2 suspensions two to exciting Pivoting bearing base device 51；Described electric power closed loop monodentate roller box can Tilting testing stand 1 is by No. 1 gear-box inclining experiment hanging swinging axle 48 on tiltable height shaft platform 34 and No. 2 gear-boxes Inclining experiment hanging swinging axle 49 hangs the gear on No. 1 conjuncted column of gantry frame 4 and No. 2 conjuncted columns of gantry frame 5 In case inclining experiment hanging swinging axle installing hole, adjusted by the platform inclination that four structures are identical and fix seat and be arranged on vibration isolation On T-slot cast iron platform 8, the platform inclination that four structures are identical adjusts and fixes seat and coordinate No. 1 gear-box inclining experiment to hang Swinging axle 48 and No. 2 gear-box inclining experiment hanging swinging axles 49 can make electric power closed loop monodentate roller box tilting testing stand 1 Axially produce certain angle of inclination along test axletree, thus adjust the folder degree of tested gear-box and axletree and horizontal plane, simulation The left and right difference in height produced when bullet train turns to so that result of the test is more nearly true ruuning situation, the test number drawn According to more authentic and valid；Described horizontal exciting device 2 is arranged on the left end of vibration isolation T-slot cast iron platform 8 by tommyhead bolt, The laterally horizontal exciting linkage 21 in exciting device 2 and single case test tested gear-box of suspended type vibration and axle assembly 36 In axial vibration bearing block 41 use bearing pin to be rotationally connected；Described low-temperature test system 3 includes low-temperature cooling system 22, protects The heat insulation cooling circular flexible pipeline of temperature and axial flow machine assembly 23 and low-temperature test wooden cold wind circulating box 24, low-temperature test is wooden Cold wind circulating box 24 is wooden box-like structure, is arranged on tested gear-box 52 hull outside it is fully wrapped around, in casing Side is filled with heat preserving and insulating material, and low-temperature cooling system 22 is by insulation cooling circular flexible pipeline and axial flow machine assembly 23 circulations provide cold air to low-temperature test wooden cold wind circulating box 24, are used for gear-box is carried out low-temperature test.

Refering to Fig. 3, No. 1 conjuncted column of gantry frame 4 is the casing class knot being welded by top board, base plate and four pieces of risers Component, two pieces, the left and right riser that shape is identical is up-narrow and down-wide isosceles trapezoidal structure, and front and back two pieces of risers are that structure is identical Rectangular slab, two waist edge of left and right riser long limit with front and back rectangle riser respectively welds together, and forms up-narrow and down-wide cross section Variable cross-section gantry frame column for straight-flanked ring welds conjuncted 31, arranges before and after gantry frame column welding conjuncted 31 on riser Several a certain size manhole, not only convenient welding and also alleviate weight, the most centrally located with boss Manhole is that gear-box inclining experiment hangs swinging axle installing hole 33；Gantry frame column welding conjuncted 31 top board above two End is welded with No. 2 vertical excitings and hangs gantry entablature device height adjusting cushion plate installation connecting plate 29 and No. 1 vertical exciting hanging dragon Door entablature device height adjusting cushion plate installs connecting plate 30, and two pieces of connecting plates are rectangular-shaped plate respectively, arranges along the distribution of its four limit Have on circular bolt hole on several, the upper circular bolt hole of its four limit distribution and vertical actuator entablature and backing plate The lower bolt hole arranged aligns；Gantry frame conjuncted column mounting base 32 is rectangle plate, its long limit and riser front and back Bottom is parallel, and minor face is parallel with the bottom of left and right riser, and the four limit distributions along base plate are provided with several bolt holes, supply No. 1 conjuncted column of gantry frame 4 is fixedly connected in the T-slot on vibration isolation T-slot cast iron platform 8 by T-bolt.

Compare No. 1 conjuncted column of gantry frame more than 4 before and after No. 2 conjuncted columns of gantry frame 5 on riser and two confessions are set The manhole that insulation cooling circular flexible pipeline in low-temperature test system 3 passes through.

Refering to Fig. 4 to Fig. 8, described electric power closed loop monodentate roller box tilting testing stand 1 includes tiltable height shaft platform 34, No. 1 empty spring standing balance and vertical vibration guidance system 35, single case test tested gear-box of suspended type vibration and axle assembly 36, No. 2 empty spring standing balance and vertical vibration guidance system 37,3A motor-car motor 39 and 3A motor-car motor support base 40.

Described tiltable height shaft platform 34 is rectangular tubular structure, is symmetrically welded with No. 1 along two long side centre positions Gear-box inclining experiment hanging swinging axle 48 and No. 2 gear-box inclining experiment hanging 49, No. 1 gear-box inclining experiment of swinging axle are hung Hang swinging axle 48 identical with No. 2 gear-box inclining experiments hanging swinging axle 49 structures, be by the swinging axle of certain length with weld Seat is welded, and wherein welding base is the tower structure being welded by connecting plate and channel-section steel, and swinging axle is welded on tower structure Top, tiltable height shaft platform 34 is hung by No. 1 gear-box inclining experiment hanging swinging axle 48 and No. 2 gear-box inclining experiments Hang swinging axle 49 to be suspended in the axis hole on No. 1 conjuncted column of gantry frame 4 and No. 2 conjuncted columns of gantry frame 5, make electric power close Ring monodentate roller box tilting testing stand 1 can be axially inclined；No. 1 platform inclination adjusts and fixes seat installing plate 44 and No. 2 Platform inclination adjusts and fixes 45, No. 3 platform inclinations adjustment of seat installing plate and fix seat installing plate 46 and No. 4 platform inclinations adjustment It is respectively welded at tiltable height shaft platform 34 along both sides, long limit with fixing seat installing plate 47, and No. 1 platform inclination adjusts with fixing Seat installing plate 44 and No. 3 platform inclinations adjust with fix 46, No. 2 platform inclinations of seat installing plate adjust with fix seat installing plate 45 and No. 4 platform inclinations adjust and fix seat installing plate 47 respectively about tiltable height shaft platform about 34 median plane symmetry, four knots The installing plate that structure is identical is rectangular structural member, it is provided with several strip through holes passed through for T-bolt, puts down for No. 1 25, No. 1 platform inclination of platform tilt adjustments and fixing seat adjusts and fixes 26, No. 1 platform inclination adjustment of seat and fix seat 27 and No. 4 Platform inclination adjusts identical with fixing seat 28 structure, and the riser on seat is provided with some T-slot, adjustable tiltable height axle Platform 34 adjusts and the setting height(from bottom) fixed on seat at platform inclination, and then adjusts incline tiltable height shaft platform 34 and vibration isolation T-shaped Angle of inclination between groove cast iron platform 8, four platforms tilt adjustments and fixing seat are arranged on vibration isolation T-slot by T-bolt In T-slot on cast iron platform 8, thus tiltable height shaft platform 34 is fixed.

Torque drive (or braking) motor 38 is arranged on the right-hand member of tiltable height shaft platform 34, provides for whole test and drives Moment of torsion or braking torque, single case test tested gear-box of suspended type vibration and the tested gear-box axletree 53 in axle assembly 36 One end be connected by the output shaft of flexible clutch 42 and torque drive (or braking) motor 38；Single case test suspended type vibration Tested gear-box and axle assembly 36 include that No. 1 suspension two cuts with scissors to exciting to exciting Pivoting bearing base device 50,2 suspension two Chain bearing holder device 51, tested gear-box 52 and tested gear-box axletree 53.Tested gear-box axletree 53 is six segmentation rank Ladder axle, wherein axial vibration bearing block 41 is arranged at axial vibration bearing block installation axle 58, is used for as tested gear-box axletree 53 transmission axial excitations；No. 1 suspension two to exciting Pivoting bearing base device 50 and No. 2 suspensions two to exciting bearing seat with hinge Device 51 is separately mounted to No. 1 suspension two and installs axle 59 and No. 2 suspensions two to exciting hinge to exciting Pivoting bearing base device Chain bearing holder device is installed at axle 60, and No. 1 suspension two cuts with scissors to exciting to exciting Pivoting bearing base device 50 and No. 2 suspensions two All there are end cap seal, No. 1 vertical exciting actuator devices 15 and No. 1 vertical exciting actuator in chain bearing holder device 51 rear and front end The vertical linkage of device 17 respectively with No. 1 suspension two to exciting Pivoting bearing base device 50 and No. 2 suspensions two to swashing No. 1 in Pivoting bearing base device 51 of shaking vertical actuator earrings bearing pin 54 and No. 2 vertical actuator earrings bearing pins 55 rotate even Connect, for transmitting vertical exciting, wherein No. 1 empty spring standing balance and vertical vibration guidance system 35 for tested gear-box axletree 53 Thering is provided flexible constraint supporting role for No. 1 suspension two to exciting Pivoting bearing base device 50, No. 2 empty spring standing balance are with vertical Vibration guidance system 37 provides flexible constraint supporting role for No. 2 suspensions two to exciting Pivoting bearing base device 51；Tested tooth The outfan of roller box 2 is connected with 3A motor-car motor 39 by flexible clutch, and 3A motor-car motor 39 can be that tested gear-box carries Make it brake for load, and braking energy is changed into electric energy pass to torque drive (or braking) motor 38, and 3A motor-car is electric Machine 39 alternatively drives motor, and now torque drive (or braking) motor 38 will load make tested gear-box 52 make as load Dynamic, then braking energy is changed into electric energy be transferred in 3A motor-car motor 39, constitute electric power closed loop system, make Power constantly circulates in closed loop system, and outer net provides only part machine damage energy just can maintain the carrying out of test；3A motor-car electricity Machine 39 is arranged in 3A motor-car motor support base 40, and 3A motor-car motor support base 40 is bolted to connection at tiltable height shaft platform On 34,3A motor-car motor support base 40 can be completely fixed 3A motor-car motor 39 and undertake suffered by 3A motor-car motor 39 each to Power.

Refering to Fig. 9 to Figure 12, No. 1 described empty spring standing balance and vertical vibration guidance system 35 and No. 2 empty spring static(al)s Balancing similar to vertical vibration guidance system 36 structure, both includes underslung bearing seat U-shaped guide rail and gas spring abutment 63, air bullet Spring fill 64 and U-shaped frame on win 65 in succession, put down with 36, No. 1 empty spring static(al) of vertical vibration guidance system compared to No. 2 empty spring standing balance Weighing apparatus and vertical vibration guidance system 35 also include C-shaped frame support shaft and clamping plate assembly 66 and C-shaped frame swing connecting bar support column 67.

Underslung bearing seat U-shaped guide rail and gas spring abutment 63 are U-shaped structural member, are by 68, No. 2 U-shapeds of No. 1 spacing lead of U-shaped Spacing lead 69, underslung bearing seat U-shaped guide rail are welded with gas spring abutment connecting bottom board 70 and air spring mounting seat 71；1 Number spacing lead of U-shaped 68 and No. 2 spacing leads of U-shaped 69 are square bar tubular structure, and upper end is welded with rectangular connecting panels, its In No. 2 spacing leads of U-shaped 69 upper end rectangular connecting panels on be provided with along long limit several for the circular port installing bolts, use Spacing with 67, No. 1 U-shaped of C-shaped frame swing connecting bar support column in vertical vibration guidance system 35 in installing No. 1 empty spring standing balance The mode being respectively adopted welding on lead 68 and No. 2 U-shaped spacing lead 69 medial walls is provided with guide plate, and guide plate makes to hang Hanging two does catenary motion to exciting Pivoting bearing base device under exciting effect, and limits the motion of its longitudinal direction；Hanging Bearing block U-shaped guide rail and gas spring abutment connecting bottom board 70 are rectangle connecting plate, are fixedly welded on No. 1 spacing lead of U-shaped 68 and 2 The bottom of number spacing lead of U-shaped 69, is respectively provided with several for the manhole installing bolt along long side direction；At No. 1 U Between the spacing lead of shape 68 and No. 2 spacing leads of U-shaped 69, on underslung bearing seat U-shaped guide rail and gas spring abutment connecting bottom board 70 It is welded with the cup dolly installing air spring assembly 64；Two U-shaped frame upper plates 65 are arranged on No. 1 spacing lead of U-shaped 68 With both sides before and after the upper end of No. 2 spacing leads of U-shaped 69, limit suspension two to exciting Pivoting bearing base device in axial direction Motion；Air spring assembly 64 is arranged in air spring mounting seat 71, to suspension two to exciting Pivoting bearing base device Play flexible support effect, enable to reach static balancing state, and by changing changing at most of air spring Its support stiffness, and then the impulsive force in various degree that simulation bearing block is born.

C-shaped frame swing connecting bar support column 67 is to be welded by rectangular steel tube and rectangle connecting plate, and lower shoe is arranged There are several for the manhole installing bolt, are arranged on No. 1 empty spring standing balance and No. 2 in vertical vibration guidance system 35 On the upper end connecting plate of the spacing lead of U-shaped 69, C-shaped frame support shaft and clamping plate assembly 66 are enclosed within C-shaped frame swing connecting bar and support On post 67, it is suspended on the upper end connecting plate of C-shaped frame swing connecting bar support column 67 by C-shaped frame support shaft hanging bolt 75, logical The length crossing adjustment hanging bolt 75 can adjust C-shaped frame support shaft with pressing plate assembly 66 at C-shaped frame swing connecting bar support column Vertical position on 67；C-shaped frame support shaft 72 and C-shaped frame support shaft pressing plate 73 are assembled with pressing plate by four C-shaped frame support shafts Bolt 74 is installed together, and C-shaped frame support shaft 72 is to be formed by rectangle connecting plate and shaft-like structure welding, C-shaped frame support shaft Hanging bolt 75 is arranged on the rectangle connecting plate in C-shaped frame support shaft 72, props up at C-shaped frame support shaft pressing plate 73 and C-shaped frame It is welded with restriction bar inside support axle 72 rectangle connecting plate, makes C-shaped frame support shaft put only along C-shaped frame with pressing plate assembly 67 The movement in vertical direction of dynamic link supports post 67, tested gear-box C-shaped frame swing connecting bar 48 is arranged in C-shaped frame support shaft 97 also For being rotationally connected；The other end of tested gear-box C-shaped frame swing connecting bar 57 is arranged in tested gear-box C-shaped frame 56, by adjusting Whole C-shaped frame support shaft and the pressing plate assembly 66 vertical position on C-shaped frame swing connecting bar support column 67, C-shaped frame swing connecting bar 57 will drive tested gear-box 52 to the left or certain angle that is tilted to the right, gear when analog orbit vehicle accelerates or brakes The situation that case tilts forward or backward, detects distribution and the lubrication state of this kind of heeling condition lower tooth roller box lubricating oil.

Refering to Figure 13, hydraulic control host computer 76 is connected with holding wire with Hydraulic System Controller 78, hydraulic system control Device 78 processed is connected respectively to 79, No. 1 vertical actuator electrohydraulic servo valve of horizontal actuator electrohydraulic servo valve by three holding wires On 80 and No. 2 vertical actuator electrohydraulic servo valves 81, hydraulic oil by three flowlines of hydraulic power unit 82 respectively enter No. 1 vertical In the hydraulic cylinder of 15, No. 2 vertical exciting actuator devices 17 of exciting actuator devices and laterally exciting actuator devices 19, then warp Returned in hydraulic power unit 83 by the oil return pipe of each actuator.Hydraulic System Controller 78 be by singlechip technology realize from Dynamic control unit, is to realize hydraulic control host computer 76 and testing stand execution unit (i.e. No. 1 vertical exciting actuator devices 15,2 Number vertical exciting actuator devices 17 and horizontal exciting actuator devices 19) critical elements that contacts, Hydraulic System Controller 78 Receive the instruction that hydraulic control host computer 76 sends, control 79, No. 1 vertical actuator electricity of horizontal actuator electrohydraulic servo valve respectively Hydraulic servo 80 and the break-make of No. 2 vertical actuator electrohydraulic servo valves 81, No. 1 vertical exciting actuator devices 15,2 is vertical sharp Shake actuator devices 17 and horizontal exciting actuator devices 19 can to use hydraulic pressure, pneumatic or Electronic control mode, according to Actual tests requires and field condition selects flexibly, this testing stand employing vertical exciting actuator devices 15 of hydraulic actuator 1, The work of the constant pressure liquid force feed that No. 2 vertical exciting actuator devices 17 and horizontal exciting actuator devices 19 provide at hydraulic power unit 82 Completing the vertical and horizontal loading to test bearing under with, Hydraulic System Controller 78 is provided with emergency stop switch 77, is used for Each actuator of emergent stopping when facing a danger, protection test equipment itself and by testpieces.

Refering to Figure 14, the electric power of described electric power power closed loop monodentate roller box hydraulic exciting tilting low-temperature test platform Closed-loop control system includes torque drive (or braking) motor 38,3A motor-car motor 39, tested gear-box 52, tested gear boxcar Axle 83, No. 2 current transformers 84 of 53, No. 1 current transformer and computer 85.

Electrical network is powered power transmission through No. 1 current transformer 83 to torque drive (or braking) motor 38, torque drive (or Braking) motor 38 drives tested gear-box axletree 53 to rotate and then drives tested gear-box 52 to operate, the output of tested gear-box End is connected with 3A motor-car motor 39, and 3A motor-car motor 39 makes the braking of tested gear-box generate electricity, and delivers power to No. 2 current transformers 84 is internal, sends No. 1 current transformer 83 again to through over commutation, and power cycle utilizes, and has reached the effect of electric power closed loop, computer 85 It is connected with No. 1 current transformer 83 and No. 2 current transformers 84 by holding wire, sends an instruction to 83, No. 2 current transformers of No. 1 current transformer 84 control its work, and then the carrying out of Control experiment.

Electric power power closed loop monodentate roller box hydraulic exciting tilting low-temperature test platform operation principle:

Electric power power closed loop monodentate roller box hydraulic exciting tilting low-temperature test platform described in the utility model is to quilt Examination gear-box axletree carries out vertical hydraulic exciting and axial hydraulic exciting, and accurate simulation gear box of high-speed train is under actual condition Vibration Condition when suffered radial load and axial load and bullet train run on actual track, true reappearance is high The vibration that speed train gear-box is suffered when actual motion；Tested gear-box tries under electric power power closed loop states Test, both can simulate the biggest moment of torsion of train traction motor output and ensure reasonability and the correctness of gear-box detection, enable again Amount recycles, it is only necessary to consume the energy that a small amount of dispatch from foreign news agency provides；Electric power closed loop monodentate roller box tilting testing stand passes through can The gear-box inclining experiment hanging swinging axle tilted on high shaft platform is hung on the conjuncted column of both sides gantry frame, by four Platform inclination adjusts and can axially produce certain angle of inclination with the adjustment fixing seat, and tested gear-box is put in C-shaped frame Adjusting of dynamic connecting rod lower can produce certain lateral inclination angle, can with analog detection gear-box bullet train curvilinear motion, Braking and the distribution of lubricating oil and lubrication circumstances in the case of accelerating；Cooling cycle system in testing stand is for detecting low temperature Environment, especially in starting process, its impact on gear-box internal lubrication oil normal circulation.

Claims (9)

1. an electric power power closed loop monodentate roller box hydraulic exciting tilting low-temperature test platform, it is characterised in that: include every Shake T-slot cast iron platform (8), and described vibration isolation T-slot cast iron platform (8) is fixed with electric power closed loop monodentate roller box tilting Testing stand (1), horizontal exciting device (2), low-temperature test system (3), No. 1 conjuncted column of gantry frame (4), No. 2 gantry frames Conjuncted column (5), No. 1 described conjuncted column of gantry frame (4) and No. 2 conjuncted column of gantry frames (5) are fixed with No. 1 dragon The vertical hanging excitation system (6) of door and No. 2 vertical hangings in gantry excitation system (7)；

Described No. 1 suspension two in electric power closed loop monodentate roller box tilting testing stand (1) fills to exciting bearing seat with hinge Put (50) and No. 2 suspensions two to exciting Pivoting bearing base device (51) respectively with No. 1 vertical hanging in gantry excitation system (6) and Vertical exciting actuator devices in No. 2 vertical hangings in gantry excitation system (7) is rotationally connected by vertical linkage；Described Electric power closed loop monodentate roller box tilting testing stand (1) in No. 1 gear-box tiltedly test hanging swinging axle (48) and No. 2 gears Case inclining experiment hanging swinging axle (49) is hung No. 1 conjuncted column of gantry frame (4) and No. 2 conjuncted column of gantry frames (5) On installing hole in；The described axial vibration bearing block (41) in electric power closed loop monodentate roller box tilting testing stand (1) with Laterally the horizontal exciting linkage (21) in exciting device (2) is rotationally connected；

Described low-temperature test system (3) includes low-temperature cooling system (22), insulation cooling circular flexible pipeline and axial flow Machine assembly (23) and low-temperature test wooden cold wind circulating box (24)；Described low-temperature test wooden cold wind circulating box (24) is installed Outside, by fully wrapped around for tested gear-box (52) at tested gear-box (52)；Low-temperature cooling system (22) is cold by insulation But circular flexible pipeline provides cold air with axial flow machine assembly (23) circulation to low-temperature test wooden cold wind circulating box (24).

2. electric power power closed loop monodentate roller box hydraulic exciting tilting low-temperature test platform as claimed in claim 1, it is special Levy and be: No. 1 described vertical hanging in gantry excitation system (6) includes that No. 1 vertical exciting hangs gantry entablature device (11) Hanging gantry entablature device height adjusting cushion plate (14) with No. 1 vertical exciting, No. 2 vertical hangings in gantry excitation system (7) include No. 2 Vertical exciting hangs gantry entablature device (12) and No. 2 vertical excitings hang gantry entablature device height adjusting cushion plate (13), No. 1 Vertical exciting is hung the two ends at gantry entablature device (11) and is bolted on No. 1 conjuncted column of gantry frame (4) and No. 2 Gantry frame conjuncted column (5) upper surface, No. 2 vertical excitings hang gantry entablature device (12) and No. 1 vertical exciting hanging Gantry entablature device (11) is fixed side by side；No. 1 described vertical exciting hang gantry entablature device (11) and No. 2 vertical swash Shake and hang gantry entablature device (12) and No. 1 conjuncted column of gantry frame (4) and the company of No. 2 conjuncted column of gantry frames (5) The place of connecing is provided with No. 1 exciting and hangs gantry entablature device height adjusting cushion plate (14) and No. 2 vertical excitings hang gantry entablature dress Put height adjusting cushion plate (13).

3. electric power power closed loop monodentate roller box hydraulic exciting tilting low-temperature test platform as claimed in claim 1, it is special Levy and be: hanging swinging axle tiltedly tested by described No. 1 gear-box in electric power closed loop monodentate roller box tilting testing stand (1) (48) and No. 2 gear-box inclining experiments hanging swinging axle (49) are fixed on tiltable height shaft platform (34) along both sides, long limit, No. 1 tooth Roller box is tiltedly tested the tiltable height axle of the homonymy of hanging swinging axle (48) and No. 2 gear-box inclining experiments hanging swinging axle (49) and is put down The two ends of platform (34) are welded with tilt adjustments and fixing seat installing plate, four tilt adjustments and fixing seat installing plate be fixed on every The four platforms tilt adjustments shaken on T-slot cast iron platform (8) is connected with fixing seat, and platform inclination adjusts and fixes erecting on seat It is provided with some T-slot on plate, tilt adjustments and fixing seat installing plate is provided with the strip passed through for T-bolt and leads to Hole, the angle of inclination between tiltable height shaft platform (34) and vibration isolation T-slot cast iron platform (8) can adjust.

4. electric power power closed loop monodentate roller box hydraulic exciting tilting low-temperature test platform as claimed in claim 1, it is special Levy and be: described electric power closed loop monodentate roller box tilting testing stand (1) also includes No. 1 empty spring standing balance and vertical vibration Guidance system (35) and No. 2 empty spring standing balance and vertical vibration guidance system (37), No. 1 empty spring standing balance and vertical vibration Guidance system (35) is that No. 1 suspension two provides flexible constraint supporting role, No. 2 empty springs to exciting Pivoting bearing base device (50) Standing balance and vertical vibration guidance system (37) are that No. 2 suspensions two provide flexibility about to exciting Pivoting bearing base device (51) Bundle supporting role.

5. electric power power closed loop monodentate roller box hydraulic exciting tilting low-temperature test platform as claimed in claim 4, it is special Levy and be: No. 1 described empty spring standing balance and vertical vibration guidance system (35) and No. 2 empty spring standing balance and vertical vibration Guidance system (36) all includes underslung bearing seat U-shaped guide rail and gas spring abutment (63), and air spring dress (64) and U-shaped frame are won in succession (65), No. 1 empty spring standing balance and vertical vibration guidance system (35) also include C-shaped frame support shaft and clamping plate assembly (66) and C-shaped frame swing connecting bar support column (67)；Described underslung bearing seat U-shaped guide rail and gas spring abutment (63) are by No. 1 spacing lead of U-shaped (68), No. 2 spacing lead of U-shapeds (69), underslung bearing seat U-shaped guide rails are installed with gas spring abutment connecting bottom board (70) and air spring Seat (71) is welded to form U-shaped structural member；The upper end of No. 1 spacing lead of U-shaped (68) and No. 2 spacing lead of U-shapeds (69) is all welded Being connected to rectangular connecting panels, the upper end of No. 2 spacing lead of U-shapeds (69) is provided with C-shaped frame swing connecting bar support column (67), No. 1 U-shaped Being respectively welded guide plate on spacing lead (68) and No. 2 U-shaped spacing lead (69) medial walls, guide plate makes suspension two Under exciting effect, do catenary motion to exciting Pivoting bearing base device, limit the motion of its longitudinal direction；Underslung bearing seat U-shaped Guide rail and gas spring abutment connecting bottom board (70) are fixed on No. 1 spacing lead of U-shaped (68) and the end of No. 2 spacing lead of U-shapeds (69) End, is respectively provided with several for the manhole installing bolt along long side direction；No. 1 spacing lead of U-shaped (68) and No. 2 Between the spacing lead of U-shaped (69), underslung bearing seat U-shaped guide rail and gas spring abutment connecting bottom board (70) are welded with installation air bullet The cup dolly of spring device (64)；Two U-shapeds frame upper plate (65) are arranged on No. 1 spacing lead of U-shaped (68) and No. 2 U-shaped limits Both sides before and after the upper end of position lead (69), limit suspension two to the motion in axial direction of exciting Pivoting bearing base device； Air spring assembly (64) is arranged in air spring mounting seat (71), is used for supporting suspension two and fills to exciting bearing seat with hinge Put.

6. electric power power closed loop monodentate roller box hydraulic exciting tilting low-temperature test platform as claimed in claim 1, it is special Levy and be: also include No. 1 current transformer (83), No. 2 current transformers (84) and computer (85), described No. 1 current transformer (83), No. 2 Current transformer (84), computer (85) and the driving in electric power closed loop monodentate roller box tilting testing stand (1) or braking motor (38), (3) A motor-car motor (39), tested gear-box (52), tested gear-box axletree (53) composition electric power closed-loop control system； Electrical network is powered through No. 1 current transformer (83), power transmission is electric to torque drive or braking motor (38), torque drive or braking The output shaft of machine (38) is connected by flexible clutch (42) with one end of tested gear-box axletree (53), torque drive or braking Motor (38) drives tested gear-box axletree (53) to rotate and then drives tested gear-box (52) to operate, tested gear-box (52) Outfan is connected by flexible connector with (3) A motor-car motor (39), (3) A motor-car motor (39) make tested gear-box braking and Generating, delivers power to No. 2 current transformers (84) internal, sends No. 1 current transformer (83) again to through over commutation, and computer (85) leads to Cross holding wire to be connected with No. 1 current transformer (83) and No. 2 current transformers (84), send an instruction to No. 1 current transformer (83), No. 2 changes Stream device (84) controls its work, and then the carrying out of Control experiment.

7. electric power power closed loop monodentate roller box hydraulic exciting tilting low-temperature test platform as claimed in claim 1, it is special Levy and be: also include spring vibration isolation concrete foundation (9) and spring vibration isolation system (10), described vibration isolation T-slot cast iron platform (8) being fixedly connected in spring vibration isolation concrete foundation (9), pre-stressed base isolation spring system (10) is arranged on spring vibration isolation concrete foundation (9) four right angle of lower section.

8. the electric power power closed loop monodentate roller box hydraulic exciting tilting low-temperature test platform being used for described in claim 1 Hydraulic control system, it is characterised in that: include hydraulic control host computer (76), Hydraulic System Controller (78), horizontal start Device electrohydraulic servo valve (79), No. 1 vertical actuator electrohydraulic servo valve (80), No. 2 vertical actuator electrohydraulic servo valves (81) and liquid Press pump station (82)；Described hydraulic control host computer (76) is connected by holding wire with Hydraulic System Controller (78), hydraulic pressure System controller (78) is connected respectively to horizontal actuator electrohydraulic servo valve (79), No. 1 vertical actuator by three holding wires On electrohydraulic servo valve (80) and No. 2 vertical actuator electrohydraulic servo valves (81), hydraulic oil is fuel-displaced by three of hydraulic power unit (82) Pipe respectively enters No. 1 vertical exciting actuator devices (15), No. 2 vertical exciting actuator devices (17) and horizontal exciting actuator In the hydraulic cylinder of device (19), then return in hydraulic power unit (83) via the oil return pipe of each actuator；Hydraulic System Controller (78) receive hydraulic control host computer (76) instruction that sends, control respectively horizontal actuator electrohydraulic servo valve (79), No. 1 vertical Actuator electrohydraulic servo valve (80) and the break-make of No. 2 vertical actuator electrohydraulic servo valves (81).

9. as claimed in claim 8 for electric power power closed loop monodentate roller box hydraulic exciting tilting low-temperature test platform Hydraulic control system, it is characterised in that: described Hydraulic System Controller (78) is provided with emergency stop switch (77).