Test bed with adjustable bending moment for testing service life of speed reducer
A reducer and test bench technology, applied in the testing of mechanical parts, the testing of machine/structural parts, measuring devices, etc., can solve the parameter analysis of the reducer, the unpredictable state and vulnerable points, and the difficulty in grasping the performance of the reducer, etc. problem, to achieve the effect of easy to grasp
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Embodiment 1
[0027] refer to figure 1 , this embodiment discloses a test bench for testing the life of a reducer with adjustable bending moment, including a motor 1, a bracket 2 and a monitoring system 3, and also includes a radial force device 4 arranged between the bracket 2 and the monitoring system 3 , the output shaft of the motor 1 is connected to the reducer 5 fixed on the bracket 2, the output shaft of the reducer 5 passes through the radial force device 4 and then connects the output shaft of the monitoring system 3 through a coupling 6, and passes through the radial The setting of the biasing device 4 realizes the parameter analysis of the reducer 5 under different bending moments, predicts the state and vulnerable points in the actual use process, and makes it easier to grasp the performance of the reducer 5 .
[0028] refer to figure 2 , the radial booster 4 includes a booster sleeve 41, a hydraulic interface 42, a pressure output ring 43, a positioning pin 44 and a control s...
Embodiment 2
[0032] refer to image 3 The difference between this embodiment and the first embodiment is that the radial force application device 4 also includes a pressure input monitoring system 47, the pressure input monitoring system 47 is fixed on the oil pipe 46, and the pressure input monitoring system 47 is respectively connected to The oil pipe 46 and the control system 45, on the basis of the first embodiment, monitor whether the pressure of the oil pipe 46 is the output pressure through the pressure input monitoring system 47, if the output pressure is not satisfied, then adjust the control system through the pressure input monitoring system 47 45 to control the output pressure to ensure that the output pressure is the input pressure of the hydraulic interface 42.
Embodiment 3
[0034] refer to Figure 4 to Figure 5 The difference between this embodiment and the second embodiment is that the test bench also includes an adjustable inertia device 7 arranged between the coupling 6 and the monitoring system 3, and the adjustable inertia device 7 includes an inertia disk 71 and a weight 72, the inertia plate 71 is provided with a plurality of second threaded holes 711, the apertures of the second threaded holes 711 can be the same or different, the weight 72 is welded with bolts 721, and the weight 72 passes through the bolts 721 is threadedly connected to the second threaded hole 711 on the other side of the inertia disk 71 away from the coupling 6. In this embodiment, the second threaded holes 711 have the same diameter and are provided with 5 turns, and each turn of the second threaded hole The number of 711 is 10, and they are evenly distributed. According to actual needs, different numbers of weights 72 are used to fix on the inertia plate 71 in diffe...
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