CN105784363B - Electronic activity of force closed loop gear-box electromagnetic exciting tilting testing stand - Google Patents

Abstract

The present invention relates to a kind of electronic activity of force closed loop gear-box electromagnetic exciting tilting testing stand, including electric power closed loop gear-box tilting testing stand, low-temperature test system, electromagnetic exciting system and basic cast iron platform；Low-temperature cooling system in low-temperature test system cools down circular flexible pipeline by insulation and connected with axle stream machine assembly with the wooden cold wind circulating box of low-temperature test on the outside of subject gear box casing；Described electromagnetic exciting system is fixed on basic cast iron platform with electric power closed loop gear-box tilting testing stand and coupled with electric power closed loop gear-box tilting testing stand.The present invention solves the problems, such as to carry out testing cumbersome and result of the test inaccuracy on different testing stands subject gear-box is removed and installed in the prior art.

Description

Electric Power Closed-loop Gearbox Electromagnetic Vibration Tilting Test Bench

technical field

The invention relates to a test platform for detecting parameters of a transmission system of a rail vehicle, in particular to an electromagnetically excited tiltable test platform for a closed-loop gearbox of electric power power.

Background technique

At present, the development of my country's high-speed train technology is advancing by leaps and bounds. The maximum operating speed of the new generation of EMUs has reached 380km/h, and the maximum test speed of the newly developed EMUs is close to 600km/h. The increase of train speed and vehicle axle load has aggravated the impact vibration between the wheel set and the track, and the ride comfort, safety and stability of rail vehicles have become increasingly prominent. As an important part of the rail vehicle bogie, the gearbox is responsible for transmitting the power of the train to the wheelset, and its performance directly affects the performance of the bogie and even the entire train. The working environment of the gearbox is relatively complicated, the load force changes frequently, and it is easy to be fatigued and damaged under high-speed driving and strenuous exercise. Therefore, it is necessary to judge whether the overall performance index of the assembled gearbox meets the reliability requirements through comprehensive test and detection means.

In the actual operation of rail vehicles, the gearbox may be subjected to force and shock vibration in different directions, and its fault may be the superposition of one or more failure modes. Therefore, only when the gearbox equipment fault is detected in the actual operation of rail vehicles can Effectively analyze the reliability of the gearbox. However, most of the existing detection methods for railway vehicle gearboxes are based on the existing gearbox failure forms to set specific test conditions to analyze the reliability of the gearbox, which cannot truly reflect the working environment of the gearbox in the actual operation of the train. . In addition, due to the speed increase of the EMU, the gearbox must be able to meet the reliability requirements under high-speed and high-torque conditions, which puts forward higher requirements for the power of the drive motor of the test bench. Most of the existing gearbox test benches are in the open-loop state. Carrying out the test not only needs to provide a large external power, but also causes energy to be wasted during the test.

Contents of the invention

The purpose of the present invention is to provide an electrodynamic power closed-loop gearbox electromagnetically excited and tiltable test bench, which solves the problem of dismantling and installing the tested gearbox on different test benches in the prior art, which is cumbersome and inconsistent with test results. exact question.

In order to solve the problems of the technologies described above, the present invention is achieved by adopting the following technical solutions:

An electric power closed-loop gearbox electromagnetic excitation tiltable test bench is characterized in that it includes an electric closed-loop gearbox tiltable test bench 1, a low temperature test system 2, an electromagnetic excitation system 3, and No. 1 upper foundation cast iron platform 4. No. 1 lower base cast iron platform 5, No. 2 lower base cast iron platform 6, and No. 2 upper base cast iron platform 7; the low-temperature cooling system 10 in the low-temperature test system 2 passes the thermal insulation and cooling circulation flexible pipe and the axial flow The machine assembly 11 communicates with the low-temperature test wooden cold air circulation box 12 outside the casing of the tested gear box 43; the tiltable test bench 1 of the electric closed-loop gear box includes a tiltable foundation platform 31, a No. 1 gas spring and a counter Force gantry frame assembly 34, No. 2 gas spring and reaction gantry frame assembly 35, gas spring support beam and bearing seat assembly 33 and frequency modulation motor device 40, the No. 1 gas spring and reaction gantry frame assembly 34 The upper connecting cover plates of No. 2 air spring 65 and No. 4 air spring 67 are installed under the No. 1 gas spring support seat 54 and No. 2 air spring support seat 55 in the gas spring support beam and bearing seat assembly 33 respectively. On the circular connecting plate, the bottom connection seats of No. 2 air spring 65 and No. 4 air spring 67 are respectively fixed on the tiltable foundation platform 31; the tiltable foundation platform 31 is connected through the adjustment of the tilt platform The cross slide 13 is connected to the sides of No. 1 upper base cast iron platform 4 and No. 2 upper base cast iron platform 7, so that the rotation axis on the tiltable base platform 31 surrounded by the power closed-loop gearbox 1 is on the axis. A certain angle of inclination is produced in the direction; the gas spring reaction force gantry frame column in the No. 1 gas spring and the reaction force gantry frame assembly 34 and the No. 2 gas spring and the reaction force gantry frame assembly 35 is fixed on a tiltable On the base platform 31; the electromagnetic excitation system 3 includes a transverse electromagnetic excitation device 14, No. 1 vertical electromagnetic excitation device 15 and No. 2 vertical electromagnetic excitation device 16; the transverse electromagnetic excitation device 14 One end of the horizontal electromagnetic excitation ball joint rod 17 in the horizontal electromagnetic excitation vertical ball joint rod pin 51 is connected with the electromagnetic excitation gas spring supporting connected beam 50, and the other end is fixed on a tiltable The transverse electromagnetic excitation turning arm on the side of the foundation platform 31 is connected to one end of the support assembly 18, and the other end of the electromagnetic excitation turning arm and the support assembly 18 connects the vertical ball joint 19 with the electromagnetic excitation through the transverse electromagnetic excitation. The exciter 20 is connected; one end of the No. 1 vertical electromagnetic excitation ball joint rod 24 in the No. 1 vertical electromagnetic excitation device 15 is connected with the No. 1 vertical electromagnetic exciter 21, and the other end is connected with the No. 1 vertical electromagnetic exciter 21, and the other end is passed through 1 The upper pin shaft 52 of the No. 2 vertical electromagnetic excitation ball head connecting rod is connected with the electromagnetic excitation gas spring support conjoined beam 50; the No. 2 vertical electromagnetic excitation ball head in the No. 2 vertical electromagnetic excitation device 16 One end of the connecting rod 26 is connected to the No. 2 vertical electromagnetic exciter 22, and the other end is connected to the connecting beam 50 supported by the electromagnetic-excited gas spring through the upper pin 53 of the No. 2 vertical electromagnetic-excited ball joint rod. The electromagnetic exciter 20, the No. 1 vertical electromagnetic exciter 21 and the No. 2 vertical electromagnetic exciter 22 are fixed on the No. 1 lower foundation cast iron platform No. 5 and No. 2 lower foundation cast iron platform 6.

As a preferred technical solution of the present invention: the electric closed-loop gearbox tiltable test bench 1 also includes a 3A train motor 36, a transition support conical shaft and bearing seat assembly 38, a flanged torque speed sensor and a support assembly Body 39, the flange torque speed sensor and the flange torque sensor in the support assembly 39 are connected to the output end of the frequency modulation motor device 40, and the transition support conical shaft and the bearing seat assembly 38 pass through the No. 2 transition shaft Coupling The conical hole flange 76 is connected with the flange type torque speed sensor and the flange type coupling in the support assembly 39, and the other end of the transition support conical shaft and the bearing seat assembly 38 passes through the drum tooth coupling 42 is connected with the tested gear box axle 44; the No. 1 gas spring support integrated bearing assembly 48 and the No. 2 gas spring supported integrated bearing assembly 49 in the gas spring support beam and bearing seat assembly 33 Installed on the wheel set of the tested gearbox axle 44 respectively, the No. 1 gas spring support conjoined bearing seat assembly 48 and the No. 2 gas spring support conjoined bearing seat assembly 49 are respectively installed on the electromagnetic excitation gas spring support by bolts. The two ends of the connected beam 50 are mounted on the upper surface; the 3A motor car motor 36 is connected to the output end of the tested gear box 43 through the toothed drum type flexible coupling 41, and the 3A motor car motor 36 is fixed on the 3A motor car motor support 37. On the inclined foundation platform 31.

As a preferred technical solution of the present invention: the gas spring support beam and bearing seat assembly 33 includes an electromagnetically excited gas spring supporting connected beam 50; the electromagnetically excited gas spring supporting connected beam 50 is fixed with 1 No. 1 gas spring support conjoined bearing seat assembly 48, No. 2 gas spring support conjoined bearing seat assembly 49; said No. 1 gas spring support conjoined bearing seat assembly 48 includes No. 1 gas spring support seat 54, 2 No. gas spring support seat 55, bearing mounting seat 56, patch type temperature sensor 57, No. 1 bearing end cover 58, No. 2 bearing end cover 59, wheel diameter installation tensioning sleeve assembly 60; described bearing mounting seat 56 There are two wheel diameter mounting tensioner assemblies 60 arranged symmetrically at both ends of the middle bearing hole, and No. 1 bearing end cap 58 and No. 2 bearing end cap 59 for sealing the bearing hole are respectively arranged on the outer two ends of the bearing hole; No. 1 gas spring support seat 54 and No. 2 gas spring support seat 55 are respectively welded on the left and right sides of the bearing mount 56;

As a preferred technical solution of the present invention: the No. 1 gas spring and reaction force gantry frame assembly 34 include gas spring reaction force gantry frame 63, No. 1 air spring 64, No. 2 air spring 65, No. 3 air spring 66, No. 4 air spring 67 and longitudinal ball head pull rod 68, the gas spring reaction force gantry frame 63 includes gas spring reaction force gantry frame beam 69, No. 1 gas spring reaction force gantry frame column 70 and No. 2 gas spring reaction force gantry frame Frame column 71, gas spring reaction force gantry frame beam 69 are installed on No. 1 gas spring reaction force gantry frame column 70 and No. 2 gas spring reaction force gantry frame column 71 through bolts; No. 1 air spring 64 and No. 3 air spring 66 The upper connection cover plate is symmetrically installed on the lower surface of the gas spring reaction force gantry frame crossbeam 69.

As a preferred technical solution of the present invention: the transverse electromagnetic excitation turning arm and support assembly 18 includes a transverse electromagnetic exciting turning arm 80, which is welded by two identical T-shaped plates and a shaft with a hole. Complete, the transverse electromagnetic excitation turning arm 80 is installed on the No. 1 transverse electromagnetic exciting turning arm support 45 and the No. 2 transverse electromagnetic exciting turning arm support 46 through the middle pin shaft 83 of the transverse electromagnetic exciting turning arm, and the transverse electromagnetic exciting Both ends of the vibration and turning arm 80 are symmetrically provided with pin holes for installing the No. 2 transverse electromagnetic excitation ball joint rod pin 81 and the transverse electromagnetic excitation vertical ball joint rod pin 82; the transverse electromagnetic excitation turning arm 80 mainly It plays the role of converting the vertical exciting force into the transverse exciting force.

As a preferred technical solution of the present invention: the tilting platform adjustment connection cross slide 13 is welded by the cross plate 28 of the cross slide, the support rib 29 of the cross slide and the vertical plate 30 of the cross slide. The horizontal plate 28 and the vertical plate 30 of the cross slide seat are welded perpendicular to each other in a cross shape, and there are several bolt holes on the cross plate 28 of the cross slide seat, which are used to adjust and connect the cross slide seat 13 to the No. 1 platform through bolts. The side of the base cast iron platform 7 on the base cast iron platform 4 or No. 2; the outer surface of the vertical plate 30 of the cross slide seat is evenly provided with several parallel T-shaped grooves, which is convenient for the installation of the tiltable base platform 31 and the adjustment of the inclination angle. Adjustment: the supporting ribs 29 of the cross slide are welded on the back of the riser 30 of the cross slide, and are used to improve the support strength of the cross slide 13 for adjusting and connecting the cross slide.

An electric power closed-loop control system for an electromagnetically excited tiltable test bench of an electric power closed-loop gearbox, including a No. 1 converter 84, a No. 2 converter 85, a computer 86, and an electric closed-loop gearbox tiltable test bench 1 The frequency modulation motor device 40, the 3A motor car motor 36, the tested gear box 43, the tested gear box axle shaft 44; the grid power supply is delivered to the frequency modulation motor device 40 through No. 1 converter 84, and the output terminal of the frequency modulation motor device 40 One end of the axle 44 of the gearbox under test is connected with the bearing assembly 39 and the transition support cone shaft with the bearing seat assembly 38 through the flange type torque speed sensor, and the frequency modulation motor device 40 drives the axle 44 of the gearbox under test to rotate and then drive The tested gear box 43 is in operation, and the output end of the tested gear box 43 is connected with the 3A motor car motor 36 through the toothed drum type flexible coupling 41. The 3A motor car motor 36 brakes the tested gear box 43 to generate power and transmit power to 2 No. 1 converter 85 is rectified and then sent to No. 1 converter 84. The computer 86 is connected to No. 1 converter 84 and No. 2 converter 84 through signal lines, and sends instructions to No. 1 converter 84, No. 2 converter 85 controls its work, and then controls the progress of the test.

Compared with prior art, the beneficial effects of the present invention are:

1. The electric power power closed-loop gearbox electromagnetic vibration tiltable test bench of the present invention uses an electromagnetic exciter to perform horizontal excitation and vertical excitation on the tested gearbox and axle, which can accurately simulate the gearbox and axle The radial and vertical loads and vibrations encountered in the actual operating conditions of rail vehicles can detect various parameters of the tested gearbox under the action of cyclic stress, and can generate higher excitation frequencies than hydraulic excitation with vibration acceleration.

2. The electric power power closed-loop gearbox electromagnetic excitation tiltable test bench of the present invention is tested under the electric power power closed-loop state, which can simulate the very large torque output by the traction motor of the train to ensure the rationality and reliability of the gearbox detection. The correctness also enables the energy to be recycled, and only needs to consume a small amount of energy provided by external power to maintain the progress of the test.

3. The electric power closed-loop gearbox electromagnetically excited tiltable test bench in the electric power closed-loop gearbox described in the present invention can be adjusted through eight tilting platforms with the same structure to adjust and connect the cross slide. A certain inclination angle is generated in the axial direction to simulate and detect the distribution and lubrication of the lubricating oil when the gearbox is moving in a high-speed train curve.

In summary, the electric power power closed-loop gearbox electromagnetic excitation tiltable test bench provided by the present invention has the advantages of compact and reasonable structural design, convenient installation and maintenance, and small footprint of the test bench. The gearbox reliability test can fully meet the reliability test of the new generation of high-speed EMU gearboxes in my country. It has played a role in promoting the technology of the EMU transmission system and accelerating the development of the EMU, and has good social and economic benefits. .

Description of drawings

Below in conjunction with accompanying drawing, the present invention will be further described:

Fig. 1 is the axonometric projection view of the overall structure of the electric power power closed-loop gearbox electromagnetic excitation tiltable test bench according to the present invention;

Fig. 2 is the axonometric projection view of the overall structure composition (no foundation) of the electric power power closed-loop gearbox electromagnetic excitation tiltable test bench of the present invention;

Fig. 3 is the axonometric projection view of the electrical main body structure of the electric power closed-loop gearbox electromagnetic excitation tiltable test bench according to the present invention;

Fig. 4 is a left-view projected view of the main structure of the electromagnetically excited tiltable test bench of the electric power closed-loop gearbox according to the present invention;

Fig. 5 is an axonometric projection view of the tilting platform adjustment coupling cross slide seat according to the present invention;

Fig. 6 is a front projection view of the tilting platform adjustment coupling cross slide according to the present invention;

Fig. 7 is an axonometric projection view of the structural composition of the electric closed-loop gearbox tiltable test bench according to the present invention;

Fig. 8 is a front view projection view of the structural composition of the electric closed-loop gearbox tiltable test bench according to the present invention;

Fig. 9 is an axonometric projection view of the structure of the gas spring support beam and the bearing seat assembly according to the present invention;

Fig. 10 is an axonometric projection view of the assembly structure of the gas spring supporting one-piece bearing housing according to the present invention;

Fig. 11 is a cross-sectional view of the structural composition of the gas spring supporting one-piece bearing seat assembly according to the present invention;

Fig. 12 is a cross-sectional view of the structure of the gas spring and the reaction gantry frame assembly according to the present invention;

Fig. 13 is a front projection view of the structure of the gas spring and the reaction gantry frame assembly according to the present invention;

Fig. 14 is an axonometric projection view of the structure of the transition support conical shaft and the bearing housing assembly according to the present invention;

Fig. 15 is a cross-sectional view of the structural composition of the transitional support tapered shaft and the bearing seat assembly according to the present invention;

Fig. 16 is an axonometric projection view of the structure of the transverse electromagnetic excitation turning arm and pin shaft assembly according to the present invention;

Fig. 17 is a schematic diagram of the electric power closed-loop control system of the electric power closed-loop gearbox electromagnetic excitation tiltable test bench according to the present invention;

In the figure: 1. Power closed-loop gearbox tiltable test bench, 2. Low temperature test system, 3. Electromagnetic excitation system, No. 4.1 upper base cast iron platform, No. 5.1 lower base cast iron platform, No. 6.2 lower base cast iron platform, 7.2 Base cast iron platform on No. 8, vibration isolation concrete foundation, 9. Spring vibration isolation system, 10. Low temperature cooling system, 11. Thermal insulation and cooling cycle flexible pipe and axial flow machine assembly, 12. Low temperature test wooden cold air circulation box , 13. Rolling platform adjustment connection cross slide, 14. Transverse electromagnetic excitation device, No. 15.1 Vertical electromagnetic excitation device, No. 16.2 Vertical electromagnetic excitation device, 17. Transverse electromagnetic excitation ball joint rod, 18 .Transverse electromagnetic excitation turning arm and support assembly, 19. Horizontal electromagnetic excitation vertical ball joint rod, 20. Transverse electromagnetic exciter, No. 21.1 vertical electromagnetic exciter, No. 22.2 vertical electromagnetic exciter Device, 23. Horizontal electromagnetic excitation vertical ball joint rod pin seat, No. 24.1 vertical electromagnetic excitation ball joint rod, No. 25.1 vertical electromagnetic excitation ball joint rod pin seat, No. 26.2 vertical electromagnetic excitation Exciting ball joint rod, No. 27.2 Vertical electromagnetic excitation ball joint rod pin seat, 28. Cross slide seat horizontal plate, 29. Cross slide seat support rib plate, 30. Cross slide seat vertical plate, 31. Can Rolling foundation platform, 32. Tested gearbox and axle assembly, 33. Gas spring support beam and bearing seat assembly, 34.1 Gas spring and reaction gantry frame assembly, 35.2 Gas spring and reaction gantry frame assembly Body, 36.3A motor car motor, 37.3A motor car motor support, 38. Transition support cone shaft and bearing seat assembly, 39. Flange torque speed sensor and support assembly, 40. Frequency modulation motor device, 41. Gear Drum type flexible coupling, 42. Drum gear coupling, 43. Tested gearbox, 44. Tested gear box axle, 45.1 horizontal electromagnetic excitation turning arm support, 46.2 transverse electromagnetic excitation turning Arm support assembly, 47. Transverse electromagnetic excitation turning arm and pin assembly, No. 48.1 gas spring support conjoined bearing seat assembly, No. 49.2 gas spring support conjoined bearing seat assembly, 50. Electromagnetic vibration gas spring Supporting connected beams, No. 51.1 horizontal electromagnetic excitation vertical ball-joint connecting rod pin, No. 52.1 vertical electromagnetic excitation ball-joint connecting rod upper pin, No. 53.2 vertical electromagnetic excitation ball-joint connecting rod upper pin, No. 54.1 gas spring support seat, No. 55.2 gas spring support seat, 56. Bearing mounting seat, 57. SMD temperature sensor, No. 58.1 bearing end cover, No. 59.2 bearing end cover, 60. Wheel diameter installation tensioning suit assembly , 61. Bearing, 62. Longitudinal ball joint pin shaft, 63. Gas spring reaction gantry frame, No. 64.1 air spring, No. 65.2 air spring, No. 66.3 air spring, No. 67.4 air spring, 68. Longitudinal ball joint rod , 69. Gas spring reaction force gantry frame beam, No. 70.1 Gas spring reaction force gantry frame column, No. 71.2 Gas spring reaction force gantry frame column, 72. Transition shaft bearing seat, No. 73.1 Transition shaft coupling tapered hole flange , No. 74.1 transition shaft bearing labyrinth oil seal end cover, No. 75.2 transition shaft bearing labyrinth oil seal end cover, No. 76.2 transition shaft coupling tapered hole flange, No. 77.1 transition bearing, No. 78.2 transition bearing, 79. Transition support shaft, 80 .Transverse electromagnetic excitation turning arm, No. 81.2 Transverse electromagnetic excitation ball joint connecting rod pin, 82. Transverse electromagnetic excitation vertical ball joint connecting rod pin, 83. Transverse electromagnetic excitation turning arm middle pin, No. 84.1 Converter, 85. Converter No. 2, 86. Computer.

detailed description

The present invention is described in detail below in conjunction with accompanying drawing:

The object of the present invention is to provide an electromagnetically excited tiltable test bench for electric power closed-loop gearbox, which is used to solve the problem that the gearbox is difficult to carry out reliability tests in the actual operation of rail vehicles, so as to meet the needs of high-speed train transmission systems in multiple The need for reliability parameter detection under various operating conditions. The horizontal electromagnetic excitation device and vertical electromagnetic excitation device included in the electrodynamic power closed-loop gearbox electromagnetic excitation tiltable test bench can accurately simulate the axial and radial loads of the gearbox in actual working conditions and the Vibration conditions of high-speed trains in actual operation can truly reproduce the vibrations experienced by the high-speed train transmission system during operation, which not only avoids the danger and loss caused by destructive tests on the actual running EMUs, but also ensures the safety of high-speed trains. The correctness and authenticity of the test results of the reliability parameters of the gearbox; the tiltable test bench of the electric closed-loop gearbox can generate a certain tilt angle in the axial direction through the adjustment of the eight tilting platforms and the adjustment of the cross-sliding seat, simulating Detect the distribution and lubrication condition of the lubricating oil in the case of the high-speed train curve movement; the low temperature test system in the test bench is used to detect the low temperature environment, especially in the starting process, and its effect on the normal circulation of the lubricating oil inside the gearbox Influence; the test is carried out in the closed-loop state of electric power, which can not only simulate the very large torque output by the traction motor of the train to ensure the rationality and correctness of the gearbox detection, but also enable the energy to be recycled, and only need to consume a small amount of energy provided by external power. Keep the test going. The electrodynamic power closed-loop gearbox electromagnetic vibration tiltable test bench of the present invention can carry out a comprehensive reliability test on the gearbox of a high-speed train, and has a great effect on improving the safe operation of the train and the ride comfort of the high-speed EMU. A good promotion effect has good social and economic benefits.

Referring to Fig. 1 to Fig. 2, the electric power closed-loop gearbox electromagnetic vibration tiltable test bench according to the present invention includes a power closed loop gearbox tiltable test bench 1, a low temperature test system 2, and an electromagnetic excitation system 3, 1 No. 4 upper foundation cast iron platform, No. 1 lower foundation cast iron platform 5, No. 2 lower foundation cast iron platform 6, No. 2 upper foundation cast iron platform 7, vibration isolation concrete foundation 8, and spring vibration isolation system 9.

The electric closed-loop gearbox tiltable test bench 1 is adjusted and connected to the cross sliding seat 13 through eight tilting platforms with the same structure, and is installed between the No. 1 upper base cast iron platform 4 and the No. 2 upper base cast iron platform 7 by bolts. By adjusting the eight tilting platforms with the same structure and adjusting the connecting cross slide 13, the tiltable foundation platform 31 in the tiltable test bench 1 of the electric closed-loop gearbox can produce a certain degree of movement in the axial direction around the rotation axis on it. Angle of inclination, the tested gearbox 43 is subjected to an inclination test; the low temperature test system 2 is installed in the foundation pit on the left side of the base cast iron platform 4 on No. The axial flow machine assembly 11 provides cold air to the low-temperature test wooden cold air circulation box 12 installed outside the casing of the tested gear box 43, which is used to perform low-temperature tests on the gear box; the electromagnetic excitation system 3 includes a transverse electromagnetic excitation device 14 , No. 1 vertical electromagnetic excitation device 15 and No. 2 vertical electromagnetic excitation device 16, the three are installed side by side on the No. 1 lower foundation cast iron platform 5 and No. 2 under the tiltable test bench 1 of the electric closed-loop gearbox through bolts The cast iron platform 6 of the lower foundation is used for horizontal electromagnetic excitation and vertical electromagnetic excitation of the tiltable test bench 1 of the electric closed-loop gearbox; several sets of spring vibration isolation systems are arranged on the bottom and side of the vibration-isolation concrete foundation 8 9. Reduce the damage of the foundation vibration to the test bench and the impact on the test results, and also provide a good test environment for the staff.

Referring to Figures 3 to 4, the transverse electromagnetic excitation device 14 includes a transverse electromagnetic excitation ball joint rod 17, a transverse electromagnetic excitation turning arm and support assembly 18, a transverse electromagnetic excitation vertical ball joint rod 19 and transverse electromagnetic exciter 20. One end of the horizontal electromagnetic excitation ball joint rod 17 is connected with the electromagnetic excitation gas spring supporting connected beam 50 through the No. 1 horizontal electromagnetic excitation vertical ball joint rod pin 51, and the other end is connected through the No. The connecting rod pin shaft 81 of the vibration ball head is connected with the transverse electromagnetic excitation turning arm and the support assembly 18; the transverse electromagnetic excitation turning arm and the support assembly 18 pass through the No. 1 transverse electromagnetic excitation turning arm support 45 and The No. 2 transverse electromagnetic excitation turning arm support 46 is installed on the left end of the tiltable foundation platform 31, and the transverse electromagnetic exciting turning arm and the support assembly 18 play the role of converting the direction of force transmission; the transverse electromagnetic excitation vertical ball The upper end of the head link 19 is connected to the transverse electromagnetic excitation turning arm and the support assembly 18 through the horizontal electromagnetic excitation vertical ball joint pin shaft 82, and the lower end thereof is connected to the horizontal electromagnetic excitation vertical ball joint pin through the transverse electromagnetic excitation. The shaft seat 23 is installed on the upper end surface of the transverse electromagnetic exciter 20; the transverse electromagnetic exciter 20 generates a vertical excitation force on the transverse electromagnetic excitation vertical ball joint rod 19, and the vertical excitation force passes through the transverse electromagnetic excitation The turning arm and support assembly 18 converts the transverse excitation force to act on the transverse electromagnetic excitation ball joint rod 17, and the transverse electromagnetic excitation ball joint rod 17 transmits the transverse excitation force to the electromagnetic excitation gas spring to support the conjoined beam At 50, the electromagnetically excited gas spring supporting conjoined beam 50 generates the tested gearbox and axle assembly 32 through No. 1 gas spring supporting conjoined bearing assembly 48 and No. 2 gas spring supporting conjoined bearing assembly 49 Lateral excitation can generate up to 20g lateral acceleration.

The No. 1 vertical electromagnetic excitation device 15 includes the No. 1 vertical electromagnetic exciter 21, the No. 1 vertical electromagnetic excitation ball joint rod 24 and the No. 1 vertical electromagnetic excitation ball joint rod pin seat 25. The upper end of the No. 1 vertical electromagnetic excitation ball joint rod 24 is connected to the electromagnetic excitation gas spring support conjoined beam 50 through the upper pin shaft 52 of the No. 1 vertical electromagnetic excitation ball joint rod, and its lower end is passed through 1 The No. 1 vertical electromagnetic excitation ball joint connecting rod pin seat 25 is connected to the upper end surface of the No. 1 vertical electromagnetic exciter 21, and the vertical excitation force generated by the No. 1 vertical electromagnetic exciter 21 passes through the No. 1 vertical electromagnetic exciter. The exciting ball-joint connecting rod 24 is transmitted to the electromagnetically exciting gas spring supporting connected beam 50; the No. 2 vertical electromagnetic exciting device 16 includes the No. 2 vertical electromagnetic exciter 22, the No. 2 vertical electromagnetic exciting Vibrating ball connecting rod 26 and No. 2 vertical electromagnetic exciting ball connecting rod pin seat 27, the upper end of No. 2 vertical electromagnetic exciting ball connecting rod 26 passes through No. 2 vertical electromagnetic exciting ball connecting rod The pin shaft 53 is connected to the electromagnetically excited gas spring supporting connected beam 50, and its lower end is connected to the upper end surface of the No. 2 vertical electromagnetic exciter 22 through the No. 2 vertical electromagnetically excited ball head connecting rod pin seat 27. The vertical excitation force generated by the No. 2 vertical electromagnetic exciter 22 is transmitted to the connecting beam 50 supported by the electromagnetic excitation gas spring through the No. 2 vertical electromagnetic excitation ball head connecting rod 26; the No. 1 vertical electromagnetic excitation device No. 15 and No. 2 vertical electromagnetic excitation devices 16 support the connecting beam 50 through the electromagnetic excitation gas spring, and at the same time generate a vertical excitation force on the tested gearbox and axle assembly 32, and the maximum vertical vibration acceleration is as high as 40g.

Referring to Fig. 5 to Fig. 6, the said tilting platform adjustment joint cross slide 13 is welded by cross slide cross plate 28, cross slide support rib 29 and cross slide riser 30, cross slide cross plate The plate 28 and the vertical plate 30 of the cross slide seat are welded perpendicular to each other in a cross shape, and there are several bolt holes on the cross plate 28 of the cross slide seat, which are used to adjust and connect the cross slide seat 13 to the No. 1 upper foundation through bolts. The side of the base cast iron platform 7 on the cast iron platform 4 or No. 2; several parallel T-shaped grooves are evenly arranged on the outer surface of the vertical plate 30 of the cross slide seat, which is convenient for the installation of the tiltable base platform 31 and the adjustment of the inclination angle. Adjustment: the supporting ribs 29 of the cross slide are welded on the back of the riser 30 of the cross slide, and are used to improve the support strength of the cross slide 13 for adjusting and connecting the cross slide.

Referring to Figures 7 to 8, the electric closed-loop gearbox tiltable test bench 1 includes a tiltable foundation platform 31, a tested gearbox and axle assembly 32, a gas spring support beam and a bearing seat assembly 33, 1 No. 2 gas spring and reaction gantry frame assembly 34, No. 2 gas spring and reaction gantry frame assembly 35, 3A motor car motor 36, 3A motor car motor support 37, transition support cone shaft and bearing seat assembly 38, flange Type torque speed sensor and support assembly 39 and frequency modulation motor device 40.

The tiltable foundation platform 31 is a square tube structure, and four rectangular connecting plates for installing the tilting platform to adjust and connect the cross slide 13 are welded symmetrically along the sides of the two long sides, and two hanging plates are welded at the middle position. The rotation axis, the tiltable foundation platform 31 is adjusted and connected with the cross sliding seat 13 through two hanging rotation axes and eight tilting platforms, and is installed between the No. 1 upper foundation cast iron platform 4 and the No. 2 upper foundation cast iron platform 7. The platform adjustment and connection with the cross slide 13 can make the tiltable foundation platform 31 produce a certain inclination angle in the axial direction around the two hanging rotation axes; To provide driving torque or braking torque, the output end of the frequency modulation motor device 40 is connected to the flange torque sensor and the flange torque sensor in the support assembly 39, and the transition support tapered shaft and the bearing seat assembly 38 pass through it The No. 2 transition shaft coupling tapered hole flange 76 is connected with the flange type torque speed sensor and the flange type coupling in the support assembly 39, and the other end of the transition support conical shaft and bearing seat assembly 38 passes through the drum The shape tooth coupling 42 is connected with the tested gearbox axle 44; the gas spring support beam and the bearing seat assembly 33 are assembled with the No. 1 gas spring support conjoined bearing seat assembly 48 and the 2 gas spring support conjoined bearing seat assembly The body 49 is respectively installed at the wheel set mounting place of the tested gear box axle 44, and the No. 1 gas spring support conjoined bearing seat assembly 48 and the No. 2 gas spring support conjoined bearing seat assembly 49 are respectively installed on the electromagnetic excitation via bolts. The two ends of the gas spring support connecting beam 50 are installed on the upper surface of the plate; No. 1 gas spring and the reaction force gantry frame assembly 34 and No. 2 gas spring and the reaction force gantry frame assembly 35 have the same structure, and are installed side by side through bolt connection On the tiltable foundation platform 31, provide flexible restraint support and vertical guidance for the No. 1 gas spring supporting integrated bearing seat assembly 48 and No. It is in a state of balance during the force; the output end of the tested gear box 43 is connected with the 3A motor car motor 36 through the gear drum type flexible coupling 41, and the 3A motor car motor 36 can provide a load for the tested gear box to make it brake, and the brake will Kinetic energy is converted into electric energy and delivered to the frequency modulation motor device 40, and the 3A train motor 36 can also be a driving motor. At this time, the frequency modulation motor device 40 will be used as a load, and the load makes the tested gear box 43 brake, and then the braking energy is converted into The electric energy is transmitted to the motor 36 of the 3A motor car, thus forming a closed-loop system of electric power, so that the power is continuously circulated in the closed-loop system, and the external network can only provide part of the energy of the machine loss to maintain the test; the motor 36 of the 3A motor car is installed in the 3A motor car In the motor support 37, the 3A motor car motor support 37 is fixedly connected to the tiltable foundation platform 31 by bolts. The 3A motor car motor support 37 can completely fix the 3A motor car motor 36 and bear the force in all directions on the 3A motor car motor 36. There is no direct connection relationship between the electromagnetically excited gas spring support conjoined beam (50) and the tiltable foundation platform (31). There is a mounting slot in the middle of the tiltable foundation platform (31), and the electromagnetically excited gas spring supports the conjoined beam. The beam (50) is installed in the groove, and the connected beam (50) supported by the electromagnetically excited gas spring passes through the No. 1 gas spring and the counterforce gantry frame assembly (34) and the No. 2 gas spring and the counterforce gantry frame ) in the eight airbags to achieve balance.

Referring to Figure 9, the gas spring support beam and bearing seat assembly 33 includes No. 1 gas spring support conjoined bearing seat assembly 48, No. 2 gas spring support conjoined bearing seat assembly 49 and electromagnetically excited gas spring support Siamese beam 50. The electromagnetically excited gas spring supporting conjoined beam 50 is a U-shaped symmetrical beam structure, and No. The two U-shaped end face connecting plates of the vibrating gas spring supporting the connecting beam 50; the left end of the electromagnetic exciting gas spring supporting the connecting beam 50 is provided with a No. To the pin hole of the upper pin 52 of the electromagnetic excitation ball joint rod, the right end is provided with a pin shaft hole for installing the No. 2 vertical electromagnetic excitation ball joint rod upper pin shaft 53, and the electromagnetic excitation gas spring supports the connecting beam 50 mainly plays the role of transmitting transverse electromagnetic excitation and vertical electromagnetic excitation.

Referring to Fig. 10 to Fig. 11, the No. 1 gas spring support conjoined bearing seat assembly 48 and the No. 2 gas spring support conjoined bearing seat assembly 49 are identical in structure and composition, both including No. 1 gas spring support seat 54, No. 2 gas spring support seat 55, bearing mounting seat 56, patch type temperature sensor 57, No. 1 bearing end cover 58, No. 2 bearing end cover 59, wheel diameter installation tensioning sleeve assembly 60 and bearing 61. The bearing mounting seat 56 is a cuboid structure with a bearing mounting hole in the middle, and two wheel diameter installation tensioning sleeve assemblies 60 are symmetrically installed at both ends in the bearing hole, which is convenient for the installation and adjustment of the tested gear box axle 44, and the bearing hole No. 1 bearing end cover 58 and No. 2 bearing end cover 59 are respectively installed on the outer two ends to seal the bearing hole; No. 1 gas spring support seat 54 and No. 2 gas spring support seat 55 are identical in structure, and are all made of a short The rectangular tube and two circular connecting plates are welded, and the two circular connecting plates are respectively welded on the upper and lower surfaces of the short rectangular tube. Circular through hole; No. 1 gas spring support seat 54 and No. 2 gas spring support seat 55 are respectively welded on the left and right sides of bearing mount 56; Real-time monitoring of the temperature of No. 1 gas spring support conjoined bearing seat assembly 48 and No. 2 gas spring support conjoined bearing seat assembly 49, so as to avoid the excessive temperature generated during the test to damage it and affect the normal progress of the test.

Referring to Fig. 12 to Fig. 13, the No. 1 gas spring and the reaction force gantry frame assembly 34 and the No. 2 gas spring and the reaction force gantry frame assembly 35 have exactly the same structure, and both include the gas spring reaction force gantry frame 63, No. 1 air spring 64, No. 2 air spring 65, No. 3 air spring 66, No. 4 air spring 67 and longitudinal ball joint pull rod 68. Gas spring reaction force gantry frame 63 comprises gas spring reaction force gantry frame beam 69, No. 1 gas spring reaction force gantry frame column 70 and No. 2 gas spring reaction force gantry frame column 71, and gas spring reaction force gantry frame beam 69 is installed by bolts On the column 70 of the gantry frame of the No. 1 gas spring reaction force and the column 71 of the gantry frame of the No. 2 gas spring reaction force; On the lower surface of 69, the lower connecting cover plates of the two are respectively installed on the upper circular connecting plate of No. 1 gas spring support seat 54 and No. 2 gas spring support seat 55; No. 2 air spring 65 and No. 4 air spring 67 The upper connecting cover plates of the upper connection plates are respectively installed on the lower circular connection plates of the No. 1 gas spring support seat 54 and the No. 2 gas spring support seat 55, and the bottom connection seats of the two are respectively installed on the tiltable foundation platform 31 by bolts; When there is no electromagnetic exciting force, No. 1 air spring 64, No. 2 air spring 65, No. 3 air spring 66 and No. 4 air spring 67 mainly play a role in making No. 1 air spring support the conjoined bearing seat assembly 48 and 2 The No. 1 gas spring supporting conjoined bearing seat assembly 49 is in a state of static force balance. When applying transverse electromagnetic excitation and vertical electromagnetic excitation to the tested gearbox and axle assembly 32, No. 1 air spring 64, 2 No. 6 air spring 65, No. 3 air spring 66, and No. 4 air spring 67 provide flexible support and vertical guidance for No. 1 gas spring support conjoined bearing seat assembly 48 and No. 2 gas spring support conjoined bearing seat assembly 49 , and make them within a certain range of vibration amplitude, more accurately simulate the vibration of the tested gearbox and axle assembly 32 in the actual operation of the train; one end of the longitudinal ball-joint tie rod 68 is installed on the No. On the column 71 of the spring reaction force gantry frame, the other end is installed on the No. 1 gas spring support seat, 54 or No. 2 gas spring support seat 55 through the longitudinal ball joint pin shaft 62, mainly to prevent the No. 1 gas spring support conjoined The bearing seat assembly 48 and the No. 2 gas spring support conjoined bearing seat assembly 49 roll over during the vibration process, which affects the normal progress of the test.

Referring to Fig. 14 to Fig. 15, the transition support tapered shaft and bearing seat assembly 38 includes a transition shaft bearing seat 72, a conical hole flange 73 of the No. No. 2 transition shaft bearing housing labyrinth oil seal end cover 75, No. 2 transition shaft coupling tapered hole flange 76, No. 1 transition bearing 77, No. 2 transition bearing 78 and transition support shaft 79. The transition shaft bearing seat 72 is installed on the tiltable foundation platform 31 through T-shaped bolts, the No. At the two ends of 79, No. 1 transition shaft bearing seat labyrinth oil seal end cover 74 and No. 2 transition shaft bearing seat labyrinth oil seal end cover 75 are respectively installed on the bearing hole end faces on the outside of No. 1 transition bearing 77 and No. 2 transition bearing 78. The bearing acts as a seal, and the transition support tapered shaft and bearing seat assembly 38 mainly plays the role of transition support and torque transmission.

Referring to Fig. 16, the transverse electromagnetic excitation turning arm 80 is a T-shaped structure, which is welded by two identical T-shaped plates and a shaft with a hole. The middle pin shaft 83 of the vibration turning arm is installed on the No. 1 transverse electromagnetic excitation turning arm support 45 and the No. 2 transverse electromagnetic exciting turning arm support 46, and the two ends of the transverse electromagnetic exciting turning arm 80 are symmetrically arranged with No. The pin shaft 81 of the electromagnetic excitation ball joint rod and the pin shaft hole of the vertical ball joint rod pin shaft 82 of the transverse electromagnetic excitation; The role of force.

Referring to Fig. 17, the power closed-loop control system of the electromagnetically excited tiltable test bench of the electric power closed-loop gearbox includes a frequency modulation motor device 40, a 3A train motor 36, a tested gearbox 43, a tested gearbox axle 44, No. 1 converter 84, No. 2 converter 85 and computer 86. The power grid supplies power to the frequency modulation motor device 40 through the No. 1 converter 84, and the frequency modulation motor device 40 drives the tested gear box axle 44 to rotate and then drives the tested gear box 43 to run. 36 connection, the 3A motor car motor 36 brakes the gear box under test to generate electricity, and transmits the power to the inside of the No. 2 converter 85, and then transmits it to the No. 1 converter 84 after rectification. The power is recycled, and the power closed-loop is achieved. As a result, the computer 86 is connected to the No. 1 converter 84 and the No. 2 converter 85 through signal lines, and sends instructions to the No. 1 converter 84 and No. 2 converter 85 to control their work, and then control the progress of the test. .

The working principle of the electric power power closed-loop gearbox electromagnetic excitation tiltable test bench provided by the present invention:

The invention utilizes an electromagnetic exciter to carry out transverse electromagnetic excitation and vertical electromagnetic excitation on the gear box and axle under test, which can accurately simulate the axial and radial loads received by the gear box in actual working conditions and the actual Vibration during operation can truly reproduce the vibration of the high-speed train transmission system during operation, which not only avoids the danger and loss caused by destructive tests on the actual running EMU, but also ensures the reliability of the high-speed train gearbox The correctness and authenticity of the test results of the permanent parameters; the tiltable test bench of the electric closed-loop gearbox can produce a certain tilt angle in the axial direction through the adjustment of eight tilting platforms and the adjustment of the cross slide seat, and the simulated detection of the gearbox in the high-speed train The distribution and lubrication of lubricating oil in the case of curved motion; the low temperature test system in the test bench is used to detect the low temperature environment, especially during the starting process, its influence on the normal circulation of lubricating oil inside the gearbox; in the closed loop state of electric power The test can not only simulate the very large torque output by the traction motor of the train to ensure the rationality and correctness of the gearbox detection, but also enable the energy to be recycled, and only need to consume a small amount of energy provided by external power to maintain the test.

Claims (7)

1. A kind of 1. electronic activity of force closed loop gear-box electromagnetic exciting tilting testing stand, it is characterised in that：Including electric power closed loop Gear-box tilting testing stand (1), low-temperature test system (2), electromagnetic exciting system (3), No. 1 upper basic cast iron platform (4), Basic cast iron platform (5) under No. 1, basic cast iron platform (6), No. 2 upper basic cast iron platforms (7) under No. 2；

   Described electric power closed loop gear-box tilting testing stand (1) includes that basic platform (31), No. 1 gas spring and counter-force can be rolled Gantry frame assembly (34), No. 2 gas springs and the gentle spring support beam of counter-force gantry frame assembly (35) and bearing block assemble Body (33) and frequency modulation motor device 40, described No. 1 gas spring and No. 2 air springs in counter-force gantry frame assembly (34) (65) it is separately mounted to the upper connection shrouding discs of No. 4 air springs (67) in gas spring support beam and bearing block assembly (33) On the lower circular connecting plate of No. 1 gas spring support base (54) and No. 2 gas spring support bases (55), No. 2 air springs (65) and No. 4 air Both bottom connection seats of spring (67) are separately fixed at and can rolled on basic platform (31)；Described rolls basic platform (31) No. 1 upper basic cast iron platform (4) and No. 2 upper basic cast irons are connected in by rolling platform adjustment connection cross slide seat (13) The side of platform (7), electric power closed loop gear-box tilting testing stand (1) is set to be rolled around therein on basic platform (31) Rotary shaft produce certain angle of inclination in the axial direction；No. 1 described gas spring and counter-force gantry frame assembly (34) and 2 Number gas spring is fixed on the gas spring counter-force gantry frame column in counter-force gantry frame assembly (35) can roll basic platform (31) on；

   Low-temperature cooling system (10) in described low-temperature test system (2) cools down circular flexible pipeline and axle by insulation Stream machine assembly (11) connects with being tested the wooden cold wind circulating box (12) of low-temperature test of gear-box (43) hull outside；

   Described electromagnetic exciting system (3) includes transverse-electromagnetic exciting device (14), No. 1 vertical electromagnetic exciting device (15) and 2 Number vertical electromagnetic exciting device (16)；Transverse-electromagnetic exciting ball head connecting rod (17) in described transverse-electromagnetic exciting device (14) One end pass through the vertical ball head connecting rod bearing pin (51) of No. 1 transverse-electromagnetic exciting and electromagnetic exciting gas spring and support disjunctor beam (50) to join Connect, the other end is by being fixed on the transverse-electromagnetic exciting turnover arm and bearing assembly that can roll on basic platform (31) side (18) one end connection, the other end of electromagnetic exciting turnover arm and bearing assembly (18) pass through the vertical bulb of transverse-electromagnetic exciting Connecting rod (19) is connected with electromagnetic exciter (20)；No. 1 vertical electromagnetic exciting in described No. 1 vertical electromagnetic exciting device (15) One end of ball head connecting rod (24) is connected with No. 1 vertical electromagnetic exciter (21), and the other end is connected by No. 1 vertical electromagnetic exciting bulb Bar upper pin (52) is connected with electromagnetic exciting gas spring support disjunctor beam (50)；In described No. 2 vertical electromagnetic exciting device (16) No. 2 vertical electromagnetic exciting ball head connecting rod (26) one end be connected with No. 2 vertical electromagnetic exciter (22), the other end by No. 2 hang down It is connected to electromagnetic exciting ball head connecting rod upper pin (53) with electromagnetic exciting gas spring support disjunctor beam (50), described electromagnetic exciter (20), No. 1 vertical electromagnetic exciter (21) and No. 2 vertical electromagnetic exciter (22) be fixed under No. 1 basic cast iron platform (5) and Under No. 2 on basic cast iron platform (6).
2. 2. electronic activity of force closed loop gear-box electromagnetic exciting tilting testing stand as claimed in claim 1, it is characterised in that： Described electric power closed loop gear-box tilting testing stand (1) also includes 3A motor-cars motor (36), transition support cone axis and axle Bearing assembly (38), flange form torque rotary speed sensor and bearing assembly (39), described flange form torque rotary speed sensing Device is connected with the flange type torque sensor in bearing assembly (39) with frequency modulation motor device (40) output end, and transition branch is held round The axis of cone passes through No. 2 transition axis shaft coupling conical bore flanges (76) and flange form torque rotary speed sensor with bearing block assembly (38) Couple with the flange form shaft coupling in bearing assembly (39), the other end of transition support cone axis and bearing block assembly (38) There is subject gear-box axletree (44) by crown gear coupling (42) connection；Described gas spring support beam and bearing block assembly (33) No. 1 gas spring support connecting shaft bearing assembly (48) and No. 2 gas spring support connecting shaft bearing assemblies (49) in are respectively Wheel installed in subject gear-box axletree (44) is to place, No. 1 gas spring support connecting shaft bearing assembly (48) and No. 2 gas spring supports Connecting shaft bearing assembly (49) is arranged on the both ends upper surface of electromagnetic exciting gas spring support disjunctor beam (50) by bolt respectively On installing plate；3A motor-cars motor (36) connects the output end of subject gear-box (43), 3A by toothed drum flexible clutch (41) Motor-car motor (36) is fixed on tiltable basic platform (31) by 3A motor-cars motor support base (37).
3. 3. electronic activity of force closed loop gear-box electromagnetic exciting tilting testing stand as claimed in claim 1, it is characterised in that： Described gas spring support beam includes electromagnetic exciting gas spring support disjunctor beam (50) with bearing block assembly (33)；Described electromagnetism No. 1 gas spring support connecting shaft bearing assembly (48), No. 2 gas spring support disjunctors are fixed with exciting gas spring support disjunctor beam (50) Bearing block assembly (49)；Described No. 1 gas spring support connecting shaft bearing assembly (48) includes No. 1 gas spring support base (54), 2 Number gas spring support base (55), bearing mounting base (56), SMD temperature sensor (57), No. 1 bearing (ball) cover (58), No. 2 bearings End cap (59), wheel footpath installation tensioning sleeve assembly (60)；Both ends are symmetrical in bearing hole among described bearing mounting base (56) 2 wheel footpath installation tensioning sleeve assemblies (60) are provided with, the outer both ends of the surface of bearing hole are respectively arranged with 1 sealed to bearing hole Number bearing (ball) cover (58) and No. 2 bearing (ball) covers (59)；No. 1 gas spring support base (54) and No. 2 gas spring support bases (55) are respectively welded In the left and right sides of bearing mounting base (56)；The upper surface of bearing mounting base (56) is provided with SMD temperature sensor (57)。
4. 4. electronic activity of force closed loop gear-box electromagnetic exciting tilting testing stand as claimed in claim 1, it is characterised in that： No. 1 described gas spring includes gas spring counter-force gantry frame (63), No. 1 air spring with counter-force gantry frame assembly (34) (64), No. 2 air springs (65), No. 3 air springs (66), No. 4 air springs (67) and longitudinal ball-head tension rod (68), it is described Gas spring counter-force gantry frame (63) includes gas spring counter-force gantry frame crossbeam (69), No. 1 gas spring counter-force gantry frame column (70) It is anti-installed in No. 1 gas spring by bolt with No. 2 gas spring counter-force gantry frame columns (71), gas spring counter-force gantry frame crossbeam (69) On power gantry frame column (70) and No. 2 gas spring counter-force gantry frame columns (71)；No. 1 air spring (64) and No. 3 air bullets The upper connection shrouding disc of spring (66) is symmetrically mounted on the lower surface of gas spring counter-force gantry frame crossbeam (69).
5. 5. electronic activity of force closed loop gear-box electromagnetic exciting tilting testing stand as claimed in claim 1, it is characterised in that： Described transverse-electromagnetic exciting turnover arm includes transverse-electromagnetic exciting turnover arm (80) with bearing assembly (18), and it is complete by two pieces Exactly the same T-shaped plate is welded with a band hole axle, and transverse-electromagnetic exciting turnover arm (80) is transferred by transverse-electromagnetic exciting Bearing pin (83) is arranged on No. 1 transverse-electromagnetic exciting turnover arm bearing (45) and No. 2 transverse-electromagnetic excitings turnover arm bearings among arm (46) on, transverse-electromagnetic exciting turnover arm (80) both ends are symmetrically arranged with No. 2 transverse-electromagnetic exciting ball head connecting rod bearing pins of installation (81) and the vertical ball head connecting rod bearing pin (82) of transverse-electromagnetic exciting pin shaft hole.
6. 6. electronic activity of force closed loop gear-box electromagnetic exciting tilting testing stand as claimed in claim 1, it is characterised in that： Described inclination platform adjustment connection cross slide seat (13) supports floor (29) and ten by cross slide seat transverse slat (28), cross slide seat Word slide riser (30) is welded, and cross slide seat transverse slat (28) and cross slide seat riser (30) are mutually perpendicular to weld in cross Connect, cross slide seat transverse slat is provided with several bolts hole on (28), is slided for that will roll platform adjustment connection cross by bolt Seat (13) is arranged on the side of No. 1 upper basic cast iron platform (4) or No. 2 upper basic cast iron platforms (7)；Cross slide seat riser (30) Outer surface on be evenly arranged with some T-slots being parallel to each other, the convenient installation that can roll basic platform (31) and incline The adjustment of rake angle；Cross slide seat support floor (29) is welded on the back side of cross slide seat riser 30.
7. 7. the electric power closed loop control of electronic activity of force closed loop gear-box electromagnetic exciting tilting testing stand as claimed in claim 1 System processed, it is characterised in that：Including No. 1 current transformer (84), No. 2 current transformers (85) and computer (86), electric power closed loop gear-box Frequency modulation motor device (40), 3A motor-cars motor (36), subject gear-box (43), subject gear in tilting testing stand (1) Boxcar axle (44)；Power network power supply gives power Transmission to frequency modulation motor device (40), frequency modulation motor device by No. 1 current transformer (84) (40) output end and one end of subject gear-box axletree (44) pass through flange form torque rotary speed sensor and bearing assembly (39) and transition support cone axis is connected with bearing block assembly (38), and frequency modulation motor device (40) drives subject gear-box axletree (44) rotate and then drive subject gear-box (43) operating, the output end of subject gear-box (43) passes through with 3A motor-cars motor (36) Toothed drum flexible clutch (41) connects, and 3A motor-cars motor (36) makes subject gear-box (43) brake and generate electricity and deliver power to No. 2 current transformers (85) are internal, send No. 1 current transformer (84) to again through over commutation, computer (86) passes through signal wire and No. 1 unsteady flow Device (84) is connected with No. 2 current transformers (84), sends an instruction to No. 1 current transformer (84), No. 2 current transformers (85) control its work Make.