New energy vehicle three-motor test bench

Abstract

The application provides a new energy automobile three-motor test bench, a first axial automatic adjusting mechanism is arranged on one side of a base, a first radial automatic adjusting mechanism is arranged above the first axial automatic adjusting mechanism, a first height automatic adjusting mechanism is arranged above the first radial automatic adjusting mechanism, a first load motor is connected to the other end of the first height automatic adjusting mechanism, a first locked-rotor mechanism is connected to the first load motor, a first flange type torque sensor is connected to the other side of the first locked-rotor mechanism, a first adapter flange is connected to the other side of the first flange type torque sensor, a support table and a transmission shaft system adapter adjusting support are arranged on the other side of the first adapter flange, a high-speed shaft system is arranged on the support table, the high-speed shaft system is connected to a high-speed driving motor, the transmission shaft system adapter adjusting support is connected to a spherical cage type universal joint, the spherical cage type universal joint is connected to a second flange type torque sensor, and the second flange type torque sensor is connected to a second locked-rotor mechanism. The application can realize automatic adjustment of the motor and improve the convenience of half shaft installation.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of new energy motor testing technology, and particularly relates to a new energy vehicle three-motor test bench. BACKGROUND

[0002] With the continuous development of the automobile industry, the new energy vehicle industry with the development direction of energy saving and environmental protection is paid more and more attention, and the test and detection technology of the automobile powertrain system as an important part of the new energy vehicle is highly valued in the new energy vehicle enterprise, and the relevant test standards are continuously improved. This puts forward new requirements for the new energy vehicle motor test equipment. The new energy vehicle three-motor test bench is mainly used for efficiency testing of the powertrain system, motor and gearbox system of the electric vehicle / hybrid vehicle, and can also provide reliable test basis for performance testing research and evaluation testing of the powertrain system, motor and gearbox system. The original test bench has single measured components, low input speed, low structure measurement precision, and poor centering performance during installation, and is troublesome to install and disassemble. SUMMARY

[0003] The present application aims to overcome the deficiencies in the prior art, and provides a new energy vehicle three-motor test bench, which is simple in structure, convenient to use, and can meet the testing requirements of the powertrain system, motor and gearbox system at different speeds, especially at high speeds. The technical scheme adopted by the present application is:

[0004] A new energy vehicle three-motor test bench, comprising a base, a first axial automatic adjustment mechanism is arranged on one side of the base, a first radial automatic adjustment mechanism is arranged above the first axial automatic adjustment mechanism, a first height automatic adjustment mechanism is arranged above the first radial automatic adjustment mechanism, a first load motor is arranged above the first height automatic adjustment mechanism, the first load motor is connected with a first locked-rotor mechanism, the other side of the first locked-rotor mechanism is connected with a first flange type torque sensor, the other side of the first flange type torque sensor is connected with a first adapter flange, a support table and a transmission shaft system adapter adjustment support are arranged on the other side of the first adapter flange, a high-speed shaft system is arranged on the support table, the high-speed shaft system is connected with a high-speed drive motor, the transmission shaft system adapter adjustment support is connected with a spherical cage type universal joint, the spherical cage type universal joint is connected with a second flange type torque sensor, the second flange type torque sensor is connected with a second locked-rotor mechanism, the second locked-rotor mechanism is connected with a second load motor, the second load motor is connected with a second height automatic adjustment mechanism, a second radial automatic adjustment mechanism is arranged below the second height automatic adjustment mechanism, a second axial automatic adjustment mechanism is arranged below the second radial automatic adjustment mechanism, and the second axial automatic adjustment mechanism is arranged on the base.

[0005] Preferably, the new energy vehicle three motor test bench, wherein the transmission shaft system adapter adjusting support is connected with the second adapter flange.

[0006] Preferably, the new energy vehicle three motor test bench, wherein the high-speed drive motor is arranged on the support table.

[0007] Preferably, the new energy vehicle three motor test bench, wherein the first axial automatic adjusting mechanism and the second axial automatic adjusting mechanism both comprise a first servo motor, the first servo motor is connected with a first screw rod, one end of the first screw rod is connected with a first moving plate through a screw nut, a plurality of first limit blocks are arranged on both sides of the first moving plate, and a first radial automatic adjusting mechanism and a second radial automatic adjusting mechanism are arranged on the first moving plate.

[0008] Preferably, the new energy vehicle three motor test bench, wherein the first radial automatic adjusting mechanism and the second radial automatic adjusting mechanism comprise a second servo motor, the second servo motor is connected with a second screw rod, the second screw rod is arranged on a fixed support, the fixed support is connected with a second moving plate, a plurality of second limit blocks and a first scale are arranged on the second moving plate, and a first height automatic adjusting mechanism and a second height automatic adjusting mechanism are arranged on the second moving plate.

[0009] Preferably, the new energy vehicle three motor test bench, wherein the first height automatic adjusting mechanism and the second height automatic adjusting mechanism comprise a third servo motor, the third servo motor is connected with a third screw rod, a third moving plate is arranged on the third screw rod, fixed supports are arranged on both sides of the third moving plate, and a limit sensor is arranged on the fixed support.

[0010] Preferably, the new energy vehicle three motor test bench, wherein a second scale is further arranged on the third moving plate, and the third servo motor is connected with the third screw rod through a driving adapter.

[0011] Preferably, the new energy vehicle three motor test bench, wherein a screw rod protection sleeve is arranged on the third screw rod.

[0012] The new energy vehicle three motor test bench has the advantages that the HBM flange type torque sensor is adopted, the measurement accuracy is improved, the test of various forms of measured objects such as an automobile power assembly system, a motor and a gearbox system can be satisfied, the application range is wider, the high-speed motor and the high-speed shaft system structure are adopted, the demand of the measured object for the input rotating speed is improved, the test demand of different rotating speeds is satisfied, the axial, radial and height automatic adjusting mechanisms are adopted, the automatic adjustment of the load motor can be realized, and the semi-axle installation convenience is improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 is a structural schematic view of the present application.

[0014] Fig. 2 is a top view of the present application.

[0015] Fig. 3 is a structural schematic view of the first axial automatic adjustment mechanism and the second axial automatic adjustment mechanism of the present application.

[0016] Fig. 4 is a structural schematic view of the first radial automatic adjustment mechanism and the second radial automatic adjustment mechanism of the present application.

[0017] Fig. 5 is a structural schematic view of the first height automatic adjustment mechanism and the second height automatic adjustment mechanism of the present application.

[0018] Fig. 6 is a top view of the first height automatic adjustment mechanism and the second height automatic adjustment mechanism of the present application.

[0019] Fig. 7 is a left view of the first height automatic adjustment mechanism and the second height automatic adjustment mechanism of the present application. DETAILED DESCRIPTION

[0020] The present application will be further described below in connection with specific embodiments. EMBODIMENT

[0021] As Figs. 1-7The embodiment provides a new energy automobile three motor test bench, which comprises a base 21, a first axial automatic adjusting mechanism 7 is arranged on one side of the base 21, a first radial automatic adjusting mechanism 8 is arranged above the first axial automatic adjusting mechanism 7, a first height automatic adjusting mechanism 9 is arranged above the first radial automatic adjusting mechanism 8, a first load motor 1 is arranged above the first height automatic adjusting mechanism 9, the first load motor 1 is connected with a first locked-rotor mechanism 2, the other side of the first locked-rotor mechanism 2 is connected with a first flange type torque sensor 3, the other side of the first flange type torque sensor 3 is connected with a first adapter flange 4, a support table 13 and a transmission shaft system adapter adjusting support 6 are arranged on the other side of the first adapter flange 4, a high-speed shaft system 11 is arranged on the support table 13, the high-speed shaft system 11 is connected with a high-speed drive motor 10, the transmission shaft system adapter adjusting support 6 is connected with a spherical cage type universal joint 5, the spherical cage type universal joint 5 is connected with a second flange type torque sensor 15, the second flange type torque sensor 15 is connected with a second locked-rotor mechanism 16, the second locked-rotor mechanism 16 is connected with a second load motor 17, the second load motor 17 is connected with a second height automatic adjusting mechanism 18, a second radial automatic adjusting mechanism 20 is arranged below the second height automatic adjusting mechanism 18, a second axial automatic adjusting mechanism 19 is arranged below the second radial automatic adjusting mechanism 20, and the second axial automatic adjusting mechanism 19 is arranged on the base.

[0022] The transmission shaft system adapter adjusting support 6 is connected with a second adapter flange 14.

[0023] The high-speed drive motor 10 is arranged on the support table 13.

[0024] The first axial automatic adjusting mechanism 7 and the second axial automatic adjusting mechanism 19 both comprise a first servo motor 71, the first servo motor 71 is connected with a first lead screw 72, one end of the first lead screw 72 is connected with a first moving plate 73 through a lead screw nut 75, a plurality of first limit blocks 74 are arranged on both sides of the first moving plate 73, and the first radial automatic adjusting mechanism 8 and the second radial automatic adjusting mechanism 20 are arranged on the first moving plate 73.

[0025] The first radial automatic adjusting mechanism 8 and the second radial automatic adjusting mechanism 20 comprise a second servo motor 81, the second servo motor 81 is connected with a second lead screw 82, the second lead screw 82 is arranged on a fixed support 83, the fixed support 83 is connected with a second moving plate 84, a plurality of second limit blocks 85 and a first scale 86 are arranged on the second moving plate 84, and the first height automatic adjusting mechanism 9 and the second height automatic adjusting mechanism 18 are arranged on the second moving plate 84.

[0026] The first height automatic adjusting mechanism 9 and the second height automatic adjusting mechanism 18 comprise a third servo motor 91, the third servo motor 91 is connected with a third screw rod 92, a third moving plate 93 is arranged on the third screw rod 92, fixed supports 94 are arranged on the two sides of the third moving plate 93, and limit sensors 95 are arranged on the fixed supports 94.

[0027] The first height automatic adjusting mechanism 9 and the second height automatic adjusting mechanism 18 are arranged on the second moving plate 84, the third moving plate 93 is arranged on the third screw rod 92, the height of the third moving plate 93 is adjusted by rotating the third screw rod 92, and the fixed supports 94 are arranged on the two sides of the third moving plate, so that the fixed supports 94 can fix the third moving plate 93 after the third moving plate 93 is in place.

[0028] The third moving plate 93 is further provided with a second scale 96, and the third servo motor 91 is connected with the third screw rod 92 through a driving adapter 97.

[0029] The third screw rod 92 is provided with a screw rod protection sleeve 98.

[0030] The first adapter flange 4 is connected with the first half shaft 22 of the measured member, the other side of the first half shaft 22 of the measured member is connected with the measured member 12, one end of the other side of the measured member 12 is connected with the high-speed shaft system 11, the other end of the same side of the measured member 12 is connected with the second half shaft 23 of the measured member, the other side of the second half shaft 23 of the measured member is connected with the second adapter flange 14, and the second adapter flange 14 is connected with the transmission shaft system adapter adjusting support 6.

[0031] Working principle: when testing, the measured member 12 is fixed on the high-speed shaft system 11, the first half shaft 22 of the measured member and the second half shaft 23 of the measured member are connected with the first adapter flange 4 and the second adapter flange 14, the measured member 12 is driven by the high-speed driving motor 10, and the first load motor 1 and the second load motor 17 are driven to work.

[0032] The new energy automobile three-motor test bench adopts an HBM flange type torque sensor, improves the measurement accuracy, can meet the testing of various forms of measured members such as an automobile power assembly system, a motor and a gearbox system, has a wider application range, adopts a high-speed motor and a high-speed shaft system structure, improves the demand of the measured member for input speed, meets the testing demand of different speeds, adopts axial, radial and height automatic adjusting mechanisms, can realize the automatic adjustment of the load motor, and improves the convenience of half shaft installation.

[0033] Finally, it should be noted that the above detailed description is merely illustrative of the technical solutions of the present application and is not limiting, and although the present application has been described in detail with reference to the examples, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the present application, and all should be covered in the scope of the claims of the present application.

Claims

1. A new energy vehicle three motor test bench, characterized in that, The base (21) is provided with a first axial automatic adjustment mechanism (7) on one side, a first radial automatic adjustment mechanism (8) above the first axial automatic adjustment mechanism (7), a first height automatic adjustment mechanism (9) above the first radial automatic adjustment mechanism (8), and a first load motor (1) above the first height automatic adjustment mechanism (9); the first load motor (1) is connected with a first locked-rotor mechanism (2); the other side of the first locked-rotor mechanism (2) is connected with a first flange type torque sensor (3); the other side of the first flange type torque sensor (3) is connected with a first adapter flange (4); the other side of the first adapter flange (4) is provided with a support table (13) and a transmission shaft system adapter adjustment support (6); the support table (13) is provided with a high-speed shaft system (11); the high-speed shaft system (11) is connected with a high-speed drive motor (10); the transmission shaft system adapter adjustment support (6) is connected with a ball cage type universal joint (5); the ball cage type universal joint (5) is connected with a second flange type torque sensor (15); the second flange type torque sensor (15) is connected with a second locked-rotor mechanism (16); the second locked-rotor mechanism (16) is connected with a second load motor (17); the second load motor (17) is connected with a second height automatic adjustment mechanism (18); a second radial automatic adjustment mechanism (20) is arranged below the second height automatic adjustment mechanism (18); a second axial automatic adjustment mechanism (19) is arranged below the second radial automatic adjustment mechanism (20) and on the base; The first axial automatic adjustment mechanism (7) and the second axial automatic adjustment mechanism (19) each include a first servo motor (71); the first servo motor (71) is connected with a first lead screw (72); one end of the first lead screw (72) is connected with a first moving plate (73) through a lead screw nut (75); the two sides of the first moving plate (73) are provided with a plurality of first limit blocks (74); the first moving plate (73) is provided with the first radial automatic adjustment mechanism (8) and the second radial automatic adjustment mechanism (20); The first radial automatic adjustment mechanism (8) and the second radial automatic adjustment mechanism (20) include a second servo motor (81); the second servo motor (81) is connected with a second lead screw (82); the second lead screw (82) is arranged on a fixed support (83); the fixed support (83) is connected with a second moving plate (84); the second moving plate (84) is provided with a plurality of second limit blocks (85) and a first scale (86); the second moving plate (84) is provided with the first height automatic adjustment mechanism (9) and the second height automatic adjustment mechanism (18); The first height automatic adjusting mechanism (9) and the second height automatic adjusting mechanism (18) comprise a third servo motor (91), the third servo motor (91) is connected with a third screw rod (92), a third moving plate (93) is arranged on the third screw rod (92), fixed supports (94) are arranged on both sides of the third moving plate (93), and limit sensors (95) are arranged on the fixed supports (94).

2. The new energy vehicle three motor test bench of claim 1, wherein, The transmission shaft system switching adjusting support (6) is connected with a second switching flange (14).

3. The new energy vehicle three motor test bench of claim 1, wherein, The high-speed driving motor (10) is arranged on the support table (13).

4. The new energy vehicle three motor test bench of claim 1, wherein, Second scales (96) are further arranged on the third moving plate (93), and the third servo motor (91) is connected with the third screw rod (92) through a driving switching device (97).

5. The new energy vehicle three motor test bench of claim 4, wherein, A screw rod protection sleeve (98) is arranged on the third screw rod (92).

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