Double transmission mechanism
A transmission device and double transmission technology are applied in the direction of the drive device for metal rolling mills, metal processing equipment, metal rolling, etc., and can solve problems such as large current fluctuations, affecting product quality, and instability of cold-rolled pipe mills. To achieve the effect of ensuring quality and reducing energy consumption
Inactive Publication Date: 2019-01-01
XIAN MEHAT IND TECH
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Problems solved by technology
[0002] At present, the transmission device of the rolling mill is driven by the main motor to drive the reducer and drive a high-speed rotating shaft. The high-speed rotating shaft drives two parallel small gears. A low-speed rotating shaft is connected together, and finally the large connecting rod connected with the crank gear is reciprocated. One end of the large connecting rod is connected with the main frame, and then the main frame of the cold rolling mill is reciprocated. The structure is roughly the same, except that the main motor directly drives a small pulley in the pulley transmission, and then the large pulley that acts as a decelerator drives the high-speed rotating shaft to rotate. Due to the large current fluctuation of the transmission during the working process, the cold rolling mill is rolling. Unstable under the control state, which affects the product quality
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[0011] According to the attached figure 1 Describe the present invention in detail;
[0012] The present invention is composed of a main transmission device and a driven transmission device, the main transmission mechanism includes a main motor 1 and a main speed reducer 2, and the driven transmission device includes two groups of small gears 3, 4 and crank gears 5, 6 that are meshed with each other. And it is composed of horizontally arranged connecting rods 7, 8 respectively driven by crank gears 5, 6, and a middle and small gear 3 driven by the main reducer 2 and driven by the driven transmission is vertically arranged between the main transmission device and the driven transmission device. , 4 rotating high-speed drive shaft 9, the high-speed drive shaft 9 between the main transmission and the driven transmission is connected with a large flywheel 10 that can play a compensating role and independently rotates, and the connecting rod 7 is connected to the main frame 11. Th...
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Abstract
The invention relates to a double transmission mechanism. The double transmission device is composed of a main transmission device, a driven transmission device and a connecting shaft. The main transmission device is composed of a main motor and a main speed reducer, and the driven transmission device is composed of pinions and crank bull gears which are in meshing transmission, and transversely-disposed connecting rods driven by the crank bull gears. The double transmission device can store redundant energy through a flywheel to increase kinetic energy and instantaneous speed, on the contrary, when resistance work is greater than driving work, and the stored energy can be released to supplement insufficient driving work and to make the instantaneous speed reduce; the device depends on large moment of inertia of the flywheel and utilizes accumulated kinetic energy to help overcome the peak load to reduce required power of a prime mover, thus compensating for inertia and inertia momentof a reciprocating motion of a frame, energy consumption is reduced, and the quality of products is ensured.
Description
technical field [0001] The invention belongs to the field of rolling mills for rolling metal strips, in particular to a double transmission device. Background technique [0002] At present, the transmission device of the rolling mill is driven by the main motor to drive the reducer and drive a high-speed rotating shaft. The high-speed rotating shaft drives two parallel small gears. A low-speed rotating shaft is connected together, and finally the large connecting rod connected with the crank gear is reciprocated. One end of the large connecting rod is connected with the main frame, and then the main frame of the cold rolling mill is reciprocated. The structure is roughly the same, except that the main motor directly drives a small pulley in the pulley transmission, and then the large pulley that acts as a decelerator drives the high-speed rotating shaft to rotate. Due to the large current fluctuation of the transmission during the working process, the cold rolling mill is ro...
Claims
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IPC IPC(8): B21B35/12B21B35/00
CPCB21B35/00B21B35/12
Inventor 祁佰忱张明侠
Owner XIAN MEHAT IND TECH