Variable tooth thickness gear test bench
A technology of variable tooth thickness gear and test bench, applied in the field of transmission test bench, can solve the problems affecting the meshing performance of variable tooth thickness gear pair, center distance deviation, parallelism error, etc.
Active Publication Date: 2016-08-31
CHONGQING UNIV
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Problems solved by technology
However, in actual engineering, due to the existence of processing and assembly errors, the meshing performance of variable tooth thickness gear pairs will be affected, especially the center distance deviation and parallelism error will have a greater impact on the contact state of variable tooth thickness gear pairs
At present, there is no test bench suitable for measuring the load capacity and transmission efficiency of variable-tooth-thickness gear pair meshing
Method used
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[0016] Below in conjunction with accompanying drawing and embodiment the present invention will be further described:
[0017] Such as figure 1 and figure 2 As shown, the present invention includes a base plate 1, on which two opposite input shaft bearing blocks 4, two bearing blocks 17 juxtaposed with the input shaft bearing blocks 4, and two shaft bearing blocks located on the two bearing blocks 17 are mounted. The two facing adjustment supports 10 towards the outside; the screw in the middle section of the adjustment shaft 20 cooperates with the threaded hole on the side wall support of the adjustment support 10, and runs through the threaded hole, and the adjustment shaft 20 extends out of the end of the adjustment support 10 The connecting pin 8 is connected with the adjustment handle 9, and the front end screw of the adjustment shaft 20 located inside the adjustment support 10 is connected with the threaded hole of the sliding slanting block 19. There is a limit protru...
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The invention discloses a variable tooth thickness gear test bench. The test bench comprises a base plate. The base plate is provided with two opposite input shaft bearing seats, two bearing seat supports and two adjusting supports facing to each other, wherein the bearing seat supports are parallel to the input shaft bearing seats; and the adjusting supports are located on an axial outer side of the bearing seat supports. An adjusting shaft intermediate section screw is cooperated with a screwed hole on an adjusting support side wall support and passes through the screwed hole. One end of an adjusting shaft, which is extended out of each adjusting support, is connected to an adjusting handle through a connection pin. A front end screw of the adjusting shaft, which is located in an inner side of each adjusting support, is cooperatively connected with the screwed hole of a sliding inclined block. A top of each bearing seat support and a bottom of a mobile bearing seat is connected in a combination mode through a dovetail groove. A wedge inclination block is clamped between the sliding inclined block and the mobile bearing seat. In the invention, an included angle of a variable tooth thickness gear shaft, a distance between the shafts and a gear axial distance can be adjusted slightly, and the test bench is used to research influences of a parallelism error, an axial spacing deviation and different axial distances on meshing performance and transmission precision of a variable tooth thickness gear pair.
Description
technical field [0001] The invention relates to a transmission test bench, in particular to a variable tooth thickness gear test bench. Background technique [0002] Variable tooth thickness helical gear, also known as involute bevel helical gear, this patent is referred to as variable tooth thickness gear. It belongs to a kind of involute gear, and the tooth shape in each end section perpendicular to the axis is involute, and only the coefficient of variation in each section is different. Since the working tooth surface of the variable tooth thickness gear is an involute helical surface, it can be conjugated with most involute gears such as spur gears, helical gears, worms and racks. [0003] There are many transmission forms of variable tooth thickness gears, which can realize the transmission between parallel shafts, intersecting shafts and interlaced shafts, and adjust the backlash by adjusting the axial position to change the gear backlash. However, in actual engineer...
Claims
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IPC IPC(8): G01M13/02
CPCG01M13/021
Inventor 杜雪松邓世威朱才朝
Owner CHONGQING UNIV