Test reference system of crank dynamometer
A reference system and power meter technology, which is applied in the calibration/testing of force/torque/power measuring instruments, measuring devices, instruments, etc., can solve the problems of easy operation accuracy and low efficiency of operators, and achieve reasonable design and improved Operational efficiency, efficiency improvement effect
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[0037] Example one, reference figure 1 and figure 2 The crank power meter test reference system of this embodiment includes: the main frame 1, the lifting table 2, the motor 3, the weight group 4, the suspension rod 6, the chain crank mounting system, and the electronic control unit 5.
[0038] The main frame 1 includes a whole frame composed of horizontal rods and six vertical rods 101. The six vertical rods 101 layer the space in the frame into two parts. The left side is the lifting part of the weight set 4, and the right side is the electronic control part, including To drive the electric control unit 5 of the motor. A chain crank mounting system is installed on the main frame 1.
[0039] The lifting platform 2 is used to support the weight set 4, and includes a supporting plate 201, a vertical sliding rod 202, the supporting plate 201 is sleeved on the vertical sliding rod 202, the bottom end of the supporting plate 201 is a top plate 204, and the top plate 204 is connected w...
Example Embodiment
[0043] Example two, reference image 3 and Figure 4 This embodiment proposes a weight set 4, which includes a weight body 41 and a suspension structure 414. The bottom of the weight body 41 has a concave portion 411; the top may be provided with a convex portion 413 that cooperates with the concave portion 411. , Or set as a hanging structure 414; the middle part has a movable cavity 412 that penetrates the concave portion 411; the suspension structure 414 includes a stopper and a fixed part, the stopper can move up and down in the movable cavity, and the fixed part Fix it on the boss of another weight.
[0044] The weights in the weight group 4 are stacked on each other when they are placed. The uppermost weight needs to be hung on the bottom end of the suspension rod 6, so the uppermost weight is set as the hanging structure 414. The design of the hanging structure 414 should be the same as the hanging structure. The bottom end of the rod is matched, a hook can be set at the b...
Example Embodiment
[0048] Example three, reference Figure 5 and Image 6 This embodiment proposes a chain crank mounting system, including a crank horizontal fixing tool 8 and a chain tensioning table 9. The crank horizontal fixing tool 8 includes a tool body 801, a pressing block 802 and a horizontal hole 803, and the crank 7 passes through the pressing block 802 It is movably installed on the tool body 801, and after the level is adjusted, one end of the weight is suspended by the suspension rod 6, and the other end is fixed by the horizontal positioning shaft 12 inserted into the horizontal hole. The chain tensioning table 9 includes: a support base 91 and a sliding base 92 above it. The sliding base 92 includes a fixed block 921, a sliding block 922, a stop block 923, a locking device 924 and a rotating handle 925, and a lead screw from left to right. One end of 93 is fixed to the fixed block 921, passes through the sliding block 922 and the stop block 923, and then connects to the rotating ...
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