Miniature coaxial speed variator for concrete vibrating rod
A technology of speed changer and vibrating rod, applied in the direction of transmission device, ceramic molding machine, gear transmission device, etc., can solve the problems of high cost, large radial structure size, complex structure, etc.
Inactive Publication Date: 2007-12-19
张铁山
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Problems solved by technology
[0003] The purpose of the present invention is to overcome the disadvantages of complex structure, high cost, and large radial structure size in the prior art, and provide a vibrating rod for concrete that can realize coaxial transmission and speed change functions, simple structure, and low manufacturing cost. micro coaxial transmission
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[0006] Referring to the drawings, the miniature coaxial transmission of the present invention is a transmission device that can be connected to a vibrating rod and used as a whole. It includes a cylindrical housing composed of front and rear housings 8, 10 screwed but connected, and The two-stage internal meshing gear pair, the rotating transmission shaft 7, the bearing and the sealing end cover 14 and other components arranged in the cylindrical shell are provided with threaded connection holes connected with other parts or structures outside the shell at both ends of the cylindrical shell. The two-stage internal gear pair is used to realize the coaxial speed change function of the input shaft and the output shaft. It is installed in the cylindrical shell through two pairs of bearings 5 and 9, and the first-stage internal gear pair is connected by a coaxial front The internal gear 11 and the front gear shaft 12 are formed. The second-stage internal meshing gear pair is composed...
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The present invention relates to miniature speed variator for low noise concrete vibrating rod. The miniature speed variator has a cylindrical casing and a two-stage internal gear pairs, including the first gear pair comprising a front internal gear and a coaxial front gear shaft and the second gear pair comprising a back internal gear and a coaxial back gear shaft. The front gear shaft and the back internal gear are assembled together, and one rotating output shaft in the front part inside the casing is assembled to the front internal gear. During operation, when the power is transferred through the two-stage internal gear pairs from the front shaft to the back gear shaft, the speed variator can realize coaxial speed variation and speed-up; and when the power is transferred through the two-stage internal gear pairs from the back gear shaft to the front output shaft, the speed variator can realize coaxial speed variation and speed-down.
Description
Technical field [0001] The content of the present invention belongs to the technical field of mechanical engineering components, and relates to a cylindrical small-sized mechanical engineering micro-speed changing device, and more particularly to a micro-speed changing device used for low-noise concrete tamping vibrating rods. Background technique [0002] The traditional universal transmission device not only has a large structure size, but also has a relatively complicated structure, and the manufacturing cost and expense are relatively high, which cannot meet the requirements of special environments and special purposes. As far as the concrete vibrating rods used in the past are concerned, the noise generated by the traditional concrete vibrating rods is particularly large when it is working. This noise is impulse noise. Its working frequency is relatively close to the natural frequency of some human organs, and the frequency is low frequency. Noise attenuates slowly during th...
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IPC IPC(8): B28B1/093F16H1/02
Inventor 张铁山
Owner 张铁山