Driving device for mandrel trolley
A transmission device and drive device technology, applied in metal processing equipment, metal rolling, manufacturing tools, etc., can solve the problems of high equipment failure rate, large equipment investment, and low operating speed, so as to save investment and reduce equipment failure rate , The effect of reducing the cost of spare parts
Inactive Publication Date: 2010-03-03
TAIYUAN TONGZE HEAVY IND
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Problems solved by technology
[0003] The present invention overcomes the defects of the existing two transmission modes of the mandrel trolley, large equipment investment and high cost, or low operating speed and high failure rate of equipment, and provides a mandrel trolley transmission device that utilizes wire rope transmission
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[0013] A mandrel trolley transmission device includes a drive device for a wire rope drum, a wire rope drum 2, a forward wire rope 8, a mandrel cart 10, a backward wire rope 9, a pulley frame 11, a passive pulley group 19 and a frame 1. The driving device is the reel 3 of the steel wire rope drum. One end of the reel 3 is mechanically connected to the output shaft of the drive motor 7 through the first coupling 4, the reduction gear box 5 and the second coupling 6. The wire rope drum 2 can rotate around its reel; the forward wire rope 8 is hingedly connected with the mandrel trolley 10 in the middle through the forward pulley 12, and both ends of the forward wire rope 8 are wound on the wire rope drum 2 respectively; the backward wire rope 9 is connected to the mandrel trolley in the middle. 10 is hingedly connected by the backward pulley 13, the two ends of the backward wire rope 9 are respectively wound around the backward pulley 13 on the pulley frame 11 and wound on the wire...
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The invention relates to a driving device for a mandrel trolley, solving the technical problems of large equipment investment, slow running speed and high equipment failure rate of the existing driving mode of the mandrel trolley. The driving device for the mandrel trolley comprises a frame, a guide rail, the mandrel trolley, a wire rope drum and a driving device thereof. The underneath of the mandrel trolley (10) is fixed and provided with a pulley frame (11) which is provided with an advancing pulley (12) and a receding pulley (13) respectively as well as an advancing wire rope (8) and a receding wire rope (9); and a movable V-shaped supporting roller (15) is arranged between two guide rails of the guide rail (14), and the V-shaped supporting roller (15) is movably provided with a mandrel (16), one end of the mandrel (16) is connected together with a connecting rod (17) of the mandrel trolley by a connecting piece (18), and the other end of the mandrel (16) is movably threaded into ahollow billet (20). The driving device for the mandrel trolley realizes the functions of threading mandrel, limiting when rolling and high speed recession, increases the production efficiency and saves the investment.
Description
Technical field [0001] The invention relates to a seamless steel pipe hot rolling equipment, in particular to a mandrel trolley transmission device for seamless steel pipe skew rolling. Background technique [0002] At present, when rolling seamless steel pipes, the mandrel is inserted into the capillary tube, and then sent to the rolling mill for rolling. According to the mandrel operation mode, the rolling mode is mainly divided into the full float mode and the limited movement mode; according to the rod penetration form, there are online rod penetration and outer rod penetration. The main feature of the full-float mode is that the mandrel floats and enters the exit station of the rolling mill along with the waste tube, and then the mandrel cycles such as stripping and cooling are carried out; the main feature of the restriction mode is that the mandrel is restricted and does not enter the rolling with the waste tube. The exit station of the tube mill returns to the original p...
Claims
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IPC IPC(8): B21B25/00
Inventor 景鹏飞
Owner TAIYUAN TONGZE HEAVY IND