Gear mechanism simulation test method

Abstract

The invention provides a gear mechanism simulation test method, and the method comprises the steps: carrying out the test through a test bench device, and the test bench device comprises a pedestal, a drive moving assembly, and a load moving assembly; a driving moving assembly is arranged on one side of the base, and a load moving assembly is arranged on the other side of the base; an environment bin is arranged between the driving moving assembly and the load moving assembly; the driving moving assembly is provided with a driving motor, the output end of the driving motor is provided with an input coupling, the load moving assembly is provided with a load motor, the output end of the load motor is provided with a load angle encoder, and the load angle encoder is used for detecting a to-be-detected piece; a clamping tool assembly is arranged in the environment bin and used for fixing a to-be-tested piece. The transmission efficiency of the product is analyzed and verified in the initial stage of product design, and the feasibility of the product is verified.

Description

Technical Field

[0001] The invention belongs to the field of testing methods, and in particular relates to a gear mechanism simulation testing method. Background Art

[0002] As a key component of automobile chassis, planetary mechanism plays an irreplaceable role in the stability of vehicle chassis, and multiple planetary mechanisms in series are one of the common structural forms of automobile chassis. If a large speed ratio is required, then the planetary mechanism is an indispensable component, but this will lead to a decrease in transmission efficiency. There are many factors to evaluate the performance of planetary mechanisms, among which transmission efficiency is an important influencing factor, reflecting the comprehensive performance of the planetary mechanism. Factors affecting transmission efficiency include: machining accuracy and assembly errors of parts such as gears and bearings, input speed, torque, temperature, etc.; in the early stage of product development, how to analyze and verify the transmission efficiency of the product to shorten the development cycle is an urgent problem to be solved. Summary of the invention

[0003] In view of this, the present invention aims to propose a gear mechanism simulation test method to analyze and verify the transmission efficiency of the product in the early stage of product design and verify the feasibility of the product.

[0004] To achieve the above object, the technical solution of the present invention is achieved as follows: The gear mechanism simulation test method is tested by a test bench device, which includes a base, a drive moving assembly, and a load moving assembly; a drive moving assembly is provided on one side of the base, and a load moving assembly is provided on the other side; an environmental chamber is provided between the drive moving assembly and the load moving assembly; The moving assembly is provided with a driving motor, and an input coupling is provided at the output end of the driving motor; the load moving assembly is provided with a load motor, and a load angle encoder is provided at the output end of the load motor for detecting the piece to be tested; a clamping tooling assembly is provided in the environmental chamber for fixing the piece to be tested.

[0005] Furthermore, a torque sensor No. 1 is provided at the output end of the driving motor, and the torque sensor No. 1 is connected to a driving angle encoder via a bearing seat, and the driving angle encoder can cooperate with the test piece via an input coupling.

[0006] Furthermore, the clamping tool assembly includes a positioning and fixing tool, a fine-tuning flange and a mounting bracket. The positioning and fixing tool is connected to the mounting bracket via the fine-tuning flange, and the positioning and fixing tool is used to fix the workpiece to be tested.

[0007] Furthermore, a second torque sensor is provided at the output end of the load motor, the second torque sensor is connected to a load angle encoder through a bearing seat, and the load angle encoder cooperates with the test piece through an output coupling; A spline shaft is arranged between the output coupling and the piece to be tested.

[0008] Furthermore, the driving mobile assembly includes a driving mobile platform, and an airbag jack, a guide column and an equal height block are arranged between the bottom of the driving mobile platform and the base to realize the up and down movement of the driving mobile platform; An X-axis platform is provided on the upper surface of the driving mobile platform. The X-axis platform is installed on the driving mobile platform through an X-axis lead screw driving assembly. The Y-axis platform is installed on the X-axis platform through a Y-axis lead screw driving assembly. The driving motor is installed on the Y-axis platform.

[0009] Furthermore, the load moving assembly includes a load moving platform, an upper surface of the load moving platform is provided with an X-axis platform, the X-axis platform is installed to the load moving platform through an X-axis screw drive assembly, the Y-axis platform is installed to the X-axis platform through a Y-axis screw drive assembly, and the load motor is installed on the Y-axis platform.

[0010] Further, the following steps are included: S1. Installation and alignment of the test piece; S2. Efficiency test setting: enter the efficiency test project through the software interface; set the program control program, including motor mode, running time, speed and torque value; S3, manual efficiency control; manually control the input and output of the efficiency table; S4, efficiency program control area; use the program control file editing window to set the parameters of the input and output ends; the input end is the speed output, and the output end is the position mode (open-loop torque mode) or torque mode (closed-loop torque mode); S5. Data recording and reporting: record the data during the efficiency test in the data recording area; set the report output parameters so that the test report can be output after the test is completed; S6. Drawing and setting of efficiency curve: Draw the efficiency curve in the efficiency curve drawing area; set the parameters of the efficiency curve in the efficiency curve setting area, such as curve naming, cutoff points, etc.; S7, start the efficiency test; start the manual test or program control program, the computer automatically executes the test process, and waits for the test to end; S8. Operations after the test is completed; after the test is completed, output the report and perform data analysis.

[0011] Further, in step S1, the workpiece to be tested is positioned using a positioning and clamping tool; the clamped and positioned workpiece to be tested is aligned with the fine-tuning flange and then inserted, and then the bolts are evenly tightened; the fine-tuning flange and the mounting bracket are aligned and then inserted, and then the bolts are evenly tightened; the drive moving assembly is adjusted so that the input coupling is inserted into the workpiece to be tested, and the bolts on the coupling are evenly locked to lock the drive moving assembly; the load moving assembly is adjusted so that the spline shaft is aligned with the workpiece to be tested and inserted, and the load assembly is locked; the protective cover is covered, and the above operations are completed to complete the installation and alignment of the workpiece to be tested.

[0012] Compared with the prior art, the gear mechanism simulation test method of the present invention has the following advantages: (1) The gear mechanism simulation test method of the present invention is verified by a test device, is easy to operate, can quickly obtain experimental parameters, and has high accuracy.

[0013] (2) The gear mechanism simulation test method of the present invention shortens the product development cycle by verifying the feasibility of the product in the early stage. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the accompanying drawings:

[0015] Figure 1 A schematic diagram of a test bench device used in the gear mechanism simulation test method according to an embodiment of the present invention; Figure 2 For the embodiment of the present invention Figure 1 A partial enlarged schematic diagram marked with B.

[0016] Description of reference numerals: 1. Base; 2. Drive moving assembly; 21. Drive motor; 22. Input coupling; 23. Drive angle encoder; 24. Torque sensor No. 1; 25. Drive moving platform; 3. Load moving assembly; 31. Load motor; 32. Load angle encoder; 33. Output coupling; 34. Load moving platform; 35. Torque sensor No. 2; 4. Environmental chamber; 5. Clamping tooling assembly; 6. Part to be tested. DETAILED DESCRIPTION

[0017] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments may be combined with each other.

[0018] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and the like are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", and the like may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0019] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0020] The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with embodiments.

[0021] Gear mechanism simulation test method, testing is carried out through a test bench device, such as Figure 1 and Figure 2 As shown, the test bench device includes a base 1, a driving moving assembly 2, and a load moving assembly 3; the driving moving assembly 2 is provided on one side of the base 1, and the load moving assembly 3 is provided on the other side; an environmental chamber 4 is provided between the driving moving assembly 2 and the load moving assembly 3; The moving component is provided with a driving motor 21, and the output end of the driving motor 21 is provided with an input coupling 22. The load moving component 3 is provided with a load motor 31, and the output end of the load motor 31 is provided with a load angle encoder 32 for detecting the workpiece to be tested 6; the environmental chamber 4 is provided with a clamping tooling component 5 for fixing the workpiece to be tested 6.

[0022] Preferably, a torque sensor No. 1 24 is provided at the output end of the driving motor 21 , and the torque sensor No. 1 24 is connected to a driving angle encoder 23 via a bearing seat, and the driving angle encoder 23 can cooperate with the test piece 6 via an input coupling 22 .

[0023] Preferably, the clamping tool assembly 5 includes a positioning and fixing tool, a fine-tuning flange and a mounting bracket. The positioning and fixing tool is connected to the mounting bracket via the fine-tuning flange, and the positioning and fixing tool is used to fix the workpiece to be tested 6 .

[0024] Preferably, a second torque sensor 35 is provided at the output end of the load motor 31, and the second torque sensor 35 is connected to the load angle encoder 32 through a bearing seat, and the load angle encoder 32 cooperates with the test piece 6 through an output coupling 33; A spline shaft is provided between the output coupling 33 and the test piece 6 .

[0025] Preferably, the driving moving assembly 2 includes a driving moving platform 25, and an airbag jack, a guide column and an equal height block are arranged between the bottom of the driving moving platform 25 and the base 1 to realize the up and down movement of the driving moving platform 25; An X-axis platform is provided on the upper surface of the driving mobile platform 25 , and the X-axis platform is installed to the driving mobile platform 25 through an X-axis lead screw driving assembly, and the Y-axis platform is installed to the X-axis platform through a Y-axis lead screw driving assembly, and the driving motor 21 is installed on the Y-axis platform.

[0026] Preferably, the load moving component 3 includes a load moving platform 34, and an X-axis platform is provided on the upper surface of the load moving platform 34. The X-axis platform is installed to the load moving platform 34 through an X-axis screw drive component, and the Y-axis platform is installed to the X-axis platform through a Y-axis screw drive component, and the load motor 31 is installed on the Y-axis platform.

[0027] Preferably, the method comprises the following steps: S1, installation and alignment of the test piece 6; S2. Efficiency test setting: enter the efficiency test project through the software interface; set the program control program, including motor mode, running time, speed and torque value; S3, manual efficiency control; manually control the input and output of the efficiency table; S4, efficiency program control area; use the program control file editing window to set the parameters of the input and output ends; the input end is the speed output, and the output end is the position mode (open-loop torque mode) or torque mode (closed-loop torque mode); S5. Data recording and reporting: record the data during the efficiency test in the data recording area; set the report output parameters so that the test report can be output after the test is completed; S6. Drawing and setting of efficiency curve: Draw the efficiency curve in the efficiency curve drawing area; set the parameters of the efficiency curve in the efficiency curve setting area, such as curve naming, cutoff points, etc.; S7, start the efficiency test; start the manual test or program control program, the computer automatically executes the test process, and waits for the test to end; S8. Operations after the test is completed; after the test is completed, output the report and perform data analysis.

[0028] Preferably, in step S1, the workpiece to be tested is positioned using a positioning and clamping tool; the clamped and positioned workpiece to be tested 6 is aligned with the fine-tuning flange and then inserted, and then the bolts are evenly tightened; the fine-tuning flange and the mounting bracket are aligned and then inserted, and then the bolts are evenly tightened; the drive moving assembly 2 is adjusted so that the input coupling 22 is inserted into the workpiece to be tested 6, and the bolts on the coupling are evenly locked to lock the drive moving assembly 2; the load moving assembly 3 is adjusted so that the spline shaft is aligned with the workpiece to be tested 6 and inserted, and the load assembly is locked; the protective cover is covered, and the above operations are completed to complete the installation and alignment of the workpiece to be tested.

[0029] Transmission efficiency refers to the ratio of output power to input power; The torque and speed of the input shaft are detected by using the drive angle encoder and the No. 1 torque sensor, and the torque and speed of the output shaft are detected by using the load angle encoder and the No. 2 torque sensor; The test data is as follows: Serial number Performance Input Torque Performance Input Speed Transmission efficiency Performance output torque Performance output speed 1 1.06 100 83.81 -170.6 -0.52 2 2.03 100 87.35 -340.3 -0.52 3 3.04 100 88.1 -510.1 -0.52 4 4.02 100 88.31 -680.1 -0.52 5 5.01 100 88.77 -849.9 -0.52 6 6 100 88.7 -1017.6 -0.52 7 7.06 100 88.39 -1191.1 -0.52 8 8.03 100 88.44 -1360.8 -0.52 9 8.13 100 89.8 -1399.2 -0.52 10 1.07 200 82.74 -168.9 -1.05 11 2.06 200 86.72 -341.3 -1.04 12 3.02 200 88.36 -510 -1.05 13 4.01 200 88.6 -680.4 -1.04 14 5.01 200 89.13 -851.6 -1.05 15 6.01 200 88.99 -1022.7 -1.05 16 6.94 200 89.71 -1190.2 -1.05 17 7.95 200 89.72 -1359.5 -1.05 18 8.06 200 90.29 -1392.7 -1.04 19 1.09 300 81.36 -169.7 -1.57 20 2.05 300 86.78 -340.3 -1.57 21 3.03 300 87.75 -509.3 -1.57 22 4.02 300 88.55 -679.8 -1.57 23 4.97 300 89.52 -851.2 -1.57 24 5.97 300 89.3 -1019.9 -1.57 25 6.96 300 89.38 -1188.6 -1.57 26 7.94 300 89.59 -1361.8 -1.57 27 8.04 300 91.29 -1402.6 -1.57 28 1.11 400 80.12 -170.4 -2.09 29 2.08 400 85.21 -340.5 -2.08 30 3.05 400 87.57 -510.4 -2.09 31 4.01 400 89.06 -681.2 -2.1 32 4.98 400 89.25 -850.7 -2.09 33 5.99 400 89.21 -1020.6 -2.09 34 7 400 88.99 -1188.8 -2.09 35 8.01 400 88.67 -1360.1 -2.09 36 8.06 400 90.72 -1400.4 -2.09 37 1.12 500 79.29 -169.3 -2.62 38 2.07 500 85.56 -338.9 -2.62 39 3.01 500 87.46 -504 -2.62 40 4.02 500 89.13 -678.9 -2.64 41 5.01 500 88.55 -852 -2.62 42 6 500 89.32 -1021.4 -2.62 43 6.97 500 89.38 -1190.8 -2.62 44 7.97 500 89.03 -1359.7 -2.61 45 8.05 500 90.98 -1401.2 -2.61 46 1.13 600 78.34 -169.4 -3.14 47 2.08 600 84.69 -337.6 -3.12 48 3.11 600 89.81 -520.8 -3.22 49 4.02 600 89.72 -679 -3.19 50 5.01 600 89.25 -851.2 -3.16 51 5.99 600 89.86 -1021.4 -3.16 52 6.94 600 88.87 -1185.3 -3.15 53 8.01 600 88.91 -1360.2 -3.14 54 8.08 600 90.72 -1399.7 -3.14 55 1.14 700 77.92 -170.4 -3.66 56 2.1 700 84.6 -340.2 -3.66 57 3.07 700 86.61 -508.8 -3.66 58 4.05 700 87.81 -681.2 -3.66 59 5.05 700 88 -849.7 -3.66 60 6.03 700 88.38 -1021.7 -3.65 61 7.03 700 88.31 -1188.7 -3.66 62 8.01 700 88.86 -1361.5 -3.66 63 8.09 700 90.56 -1399.3 -3.67 64 1.15 800 77.39 -171.1 -4.18 65 2.11 800 84.45 -341.2 -4.17 66 3.08 800 86.56 -510.3 -4.17 67 4.06 800 87.65 -678.9 -4.19 68 5.04 800 88.27 -851.4 -4.18 69 6.04 800 88.3 -1020.4 -4.18 70 7.03 800 88.48 -1189.4 -4.18 71 8.06 800 88.21 -1359.1 -4.18 72 8.1 800 90.42 -1398.5 -4.19 73 1.15 900 76.94 -170.1 -4.71 74 2.15 900 83.88 -344.1 -4.71 75 3.09 900 86.29 -510.1 -4.71 76 4.09 900 86.91 -679.5 -4.71 77 5.09 900 87.31 -851.3 -4.7 78 6.1 900 87.44 -1020.1 -4.71 79 7.12 900 87.45 -1191 -4.7 80 8.14 900 87.31 -1361 -4.7 81 8.09 900 90.44 -1400.1 -4.7 82 1.18 1000 75.4 -171 -5.23 83 2.13 1000 82.97 -338.5 -5.23 84 3.13 1000 85.3 -509.6 -5.23 85 4.13 1000 86.13 -680.2 -5.23 86 5.12 1000 86.71 -850 -5.23 87 6.11 1000 87.16 -1020.2 -5.22 88 7.11 1000 87.48 -1190.7 -5.23 89 8.12 1000 87.69 -1360.9 -5.23 90 8.12 1000 90 -1399.6 -5.23 91 1.19 1100 74.4 -169.4 -5.75 92 2.16 1100 82.79 -342.3 -5.76 93 3.14 1100 84.57 -508 -5.75 94 4.13 1100 86.1 -681.2 -5.75 95 5.11 1100 86.91 -849.7 -5.75 96 6.09 1100 87.52 -1019.4 -5.76 97 7.07 1100 87.87 -1190.1 -5.75 98 8.08 1100 87.86 -1358.8 -5.75 99 8.12 1100 90.13 -1401.7 -5.75 100 1.19 1200 74.41 -169.3 -6.28 101 2.15 1200 82.92 -340.8 -6.28 102 3.12 1200 85.18 -508.6 -6.27 103 4.11 1200 86.8 -681 -6.28 104 5.09 1200 87.25 -850.3 -6.27 105 6.1 1200 87.37 -1019.4 -6.27 106 7.11 1200 87.52 -1190.7 -6.27 107 8.11 1200 87.67 -1359.4 -6.28 108 8.13 1200 90 -1400.8 -6.27 109 1.2 1300 73.92 -169.9 -6.8 110 2.16 1300 82.61 -341.3 -6.8 111 3.12 1300 85.56 -510.2 -6.8 112 4.09 1300 86.79 -679.2 -6.8 113 5.08 1300 87.4 -849.3 -6.8 114 6.06 1300 88.01 -1019.6 -6.79 115 7.05 1300 88.33 -1191.3 -6.8 116 8.06 1300 88.18 -1360.5 -6.79 117 8.14 1300 89.86 -1399.5 -6.79 118 1.2 1400 74.11 -169.6 -7.31 119 2.14 1400 82.94 -339 -7.32 120 3.1 1400 85.91 -509.8 -7.32 121 4.07 1400 87.39 -680.6 -7.32 122 5.04 1400 88.19 -850 -7.32 123 6.06 1400 88.04 -1020.5 -7.32 124 7.04 1400 88.38 -1191.1 -7.32 125 8.04 1400 88.45 -1360 -7.32 126 8.13 1400 90.13 -1401.3 -7.32 127 1.2 1500 73.59 -169.5 -7.84 128 2.16 1500 82.77 -342.7 -7.84 129 3.1 1500 85.84 -509.4 -7.84 130 4.08 1500 87.4 -681.4 -7.84 131 5.04 1500 88.04 -848.9 -7.84 132 6.03 1500 88.43 -1020.2 -7.84 133 7 1500 88.96 -1190.5 -7.84 134 8 1500 88.8 -1359 -7.84 135 8.13 1500 90.04 -1400.3 -7.84 136 1.2 1600 73.91 -170 -8.36 137 2.17 1600 82.46 -341.9 -8.36 138 3.11 1600 85.5 -509.7 -8.36 139 4.08 1600 87.11 -680.7 -8.36 140 5.05 1600 88.01 -849.5 -8.36 141 6.04 1600 88.24 -1019.9 -8.36 142 7.01 1600 88.79 -1190 -8.37 143 8.05 1600 88.36 -1359.6 -8.37 144 8.15 1600 89.82 -1399.9 -8.36 145 1.23 1700 72.31 -169.8 -8.89 146 2.17 1700 81.9 -340.7 -8.89 147 3.13 1700 85.29 -511.4 -8.89 148 4.08 1700 86.98 -678.8 -8.89 149 5.06 1700 87.87 -850.4 -8.9 150 6.04 1700 88.38 -1020.1 -8.89 151 7.03 1700 88.41 -1189.9 -8.88 152 8.04 1700 88.36 -1359.2 -8.88 153 8.15 1700 89.83 -1399.5 -8.89 154 1.23 1800 72.35 -170.5 -9.41 155 2.21 1800 82.27 -346.2 -9.43 156 3.1 1800 84.92 -504.9 -9.39 157 4.08 1800 87.11 -680.6 -9.41 158 5.06 1800 87.79 -849 -9.41 159 6.04 1800 88.26 -1019.8 -9.41 160 7.02 1800 88.5 -1188.9 -9.41 161 8.03 1800 88.55 -1360 -9.41 162 8.15 1800 89.79 -1400 -9.41 163 1.25 1900 71 -169.8 -9.93 164 2.18 1900 81.02 -337.4 -9.93 165 3.14 1900 84.73 -509.5 -9.92 166 4.12 1900 86.77 -683.2 -9.95 167 5.07 1900 87.57 -849.7 -9.94 168 6.07 1900 87.83 -1020.4 -9.93 169 7.05 1900 88.19 -1189.9 -9.93 170 8.06 1900 88.23 -1359.5 -9.93 171 8.17 1900 89.59 -1400.3 -9.93 172 1.27 2000 69.88 -169.6 -10.45 173 2.22 2000 80.5 -341.5 -10.46 174 3.17 2000 84.33 -511.3 -10.46 175 4.12 2000 86.3 -679.4 -10.46 176 5.1 2000 87.27 -851 -10.46 177 6.06 2000 88.03 -1020 -10.46 178 7.04 2000 88.26 -1190 -10.45 179 8.06 2000 88.17 -1360.1 -10.45 180 8.18 2000 89.4 -1399.6 -10.45 The simulation result is 85.2%, and the actual bench measurement result is 86.35; Through data comparison, the transmission efficiency is plotted into a scatter plot to observe the transmission efficiency change trend. The results show that the simulation results are basically consistent with the experimental results. For the above models, under the same conditions, the simulation parameter calculation results are basically consistent with the test results. In the early stage of product development, we can use simulation to collaboratively calculate the transmission efficiency to verify that the product is feasible. At the same time, it can also shorten the development cycle.

[0030] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A gear mechanism simulation test method, characterized in that: The test is performed by a test bench device, which includes a base, a drive moving assembly, and a load moving assembly; the drive moving assembly is provided on one side of the base, and the load moving assembly is provided on the other side; an environmental chamber is provided between the drive moving assembly and the load moving assembly; The driving moving component is provided with a driving motor, and an input coupling is provided at the output end of the driving motor; the load moving component is provided with a load motor, and a load angle encoder is provided at the output end of the load motor for detecting the piece to be tested; a clamping tooling component is provided in the environmental chamber for fixing the piece to be tested.

2. The gear mechanism simulation test method according to claim 1, characterized in that: The output end of the driving motor is provided with a No. 1 torque sensor, and the No. 1 torque sensor is connected to a driving angle encoder through a bearing seat, and the driving angle encoder can cooperate with the test piece through an input coupling.

3. The gear mechanism simulation test method according to claim 2, characterized in that: The clamping tool assembly comprises a positioning and fixing tool, a fine-tuning flange and a mounting bracket. The positioning and fixing tool is connected to the mounting bracket via the fine-tuning flange, and the positioning and fixing tool is used to fix the workpiece to be tested.

4. The gear mechanism simulation test method according to claim 1, characterized in that: A second torque sensor is provided at the output end of the load motor, and the second torque sensor is connected to a load angle encoder through a bearing seat, and the load angle encoder cooperates with the test piece through an output coupling; A spline shaft is arranged between the output coupling and the piece to be tested.

5. The gear mechanism simulation test method according to claim 1, characterized in that: The driving moving assembly includes a driving moving platform, and an airbag jack, a guide column and an equal height block are arranged between the bottom of the driving moving platform and the base to realize the up and down movement of the driving moving platform; An X-axis platform is provided on the upper surface of the driving mobile platform. The X-axis platform is installed on the driving mobile platform through an X-axis lead screw driving assembly. The Y-axis platform is installed on the X-axis platform through a Y-axis lead screw driving assembly. The driving motor is installed on the Y-axis platform.

6. The gear mechanism simulation test method according to claim 1, characterized in that: The load moving assembly includes a load moving platform, an upper surface of which is provided with an X-axis platform, the X-axis platform is mounted to the load moving platform via an X-axis lead screw driving assembly, the Y-axis platform is mounted to the X-axis platform via a Y-axis lead screw driving assembly, and the load motor is mounted on the Y-axis platform.

7. The gear mechanism simulation test method according to claim 1, characterized in that: The following steps are involved: S1. Installation and alignment of the test piece; S2. Efficiency test setting: enter the efficiency test project through the software interface; set the program control program, including motor mode, running time, speed and torque value; S3, manual efficiency control; Manually control the input and output of the efficiency table; S4, efficiency program control area; Use the program control file editing window to set the parameters of the input and output terminals; The input end is the speed output, and the output end is the position mode, also known as the open-loop torque mode or torque mode, also known as the closed-loop torque mode; S5. Data recording and reporting: Record the data during the efficiency test in the data recording area; Set the report output parameters so that the test report can be output after the test is completed; S6. Drawing and setting the efficiency curve: drawing the efficiency curve in the efficiency curve drawing area; setting the parameters of the efficiency curve in the efficiency curve setting area; S7, start the efficiency test; start the manual test or program control program, the computer automatically executes the test process, and waits for the test to end; S8. Operation after the test is completed; After the test is completed, a report is output and data analysis is performed.

8. The gear mechanism simulation test method according to claim 7, characterized in that: In step S1, the workpiece to be tested is positioned using a positioning and clamping tool; the clamped and positioned workpiece to be tested is inserted after being aligned with the fine-tuning flange, and then the bolts are evenly tightened; the fine-tuning flange and the mounting bracket are inserted after being aligned, and then the bolts are evenly tightened; the driving moving assembly is adjusted so that the input coupling is inserted into the workpiece to be tested, and the bolts on the coupling are evenly locked to lock the driving moving assembly; the load moving assembly is adjusted so that the spline shaft is aligned with the workpiece to be tested and inserted, and the load assembly is locked; the protective cover is covered, and the above operations are completed to complete the installation and alignment of the workpiece to be tested.

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