63results about How to "Prevent jumper" patented technology

The invention provides a wire binding device of a transposed conductor, which can ensure consistent length of a bundle conductor in the process of conveying the bundle conductor between a transposed head and a winding cage, thus preventing the phenomenon that jumper generates due to bending which is caused by self-gravity action of the bundle conductor when the bundle conductor winds, and ensuring the processing quality of the transposed conductor. The wire binding device comprises a base and is characterized in that the two ends of the base are provided with two groups of bundle roller devices symmetrically, a transposed conductor carriage device is arranged horizontally along the base, and the lower part of the base is provided with a vertical regulating mechanism.

The invention provides a caracol kettle apparatus of sewing machine capable of reliably prevent generating wire jumper or yarn break or fluff of an upper wire loop by preventing separation of sewing needle and point. The caracol kettle apparatus has: a sewing needle (12) forming the upper wire loop (13a) with sewing string (13); a middle kettle (3) for capturing point 3c of the upper wire loop (13a) through rotating action; and a driver (5) of activating the middle kettle to rotate to-and-fro, the driver (5) has a rear-side support section (5e) of the needle, which supports a back surface of the sewing needle (12) opposite to the point (3c); and a front-side support section (5f) of the needle, which supports a front surface of the sewing needle (12).

The invention discloses a wire regulating device of a multi-wire cutting machine steel wire, which is used for increasing a cutting thickness range of a multi-wire cutting machine. The wire regulating device comprises a left cutting roller and a right cutting roller which are arranged on a front fixing board and a rear main board, wherein the size, the wire groove number and the groove distance of the left cutting roller are the same as those of the right cutting roller. The wire regulating device is characterized in that the rear main board is provided with a guide wheel installation board, the guide wheel installation board is respectively provided with a wire inlet guide wheel set and a wire outlet guide wheel set, a steel wire is vertically led out from a first wire groove of the left cutting roller, the steel wire is then pitched in a first guide wheel on the wire inlet guide wheel set, the steel wire is then pitched in a first guide wheel on the wire outlet guide wheel set, the first guide wheel on the wire outlet guide wheel set is coplanar with the first guide wheel on the wire inlet guide wheel set, the steel wire is then vertically pitched in a second wire groove of the right cutting roller, and thus the groove replacement of the steel wire is completed. According to the wire regulating device disclosed by the invention, bad phenomena of wire jumper and eccentric wear of the cutting rollers, which are caused by an overlarge span angle between the grooves of the cutting rollers due to overlarge distance between the V-shaped circular grooves on the cutting rollers, are prevented from happening, the product processing accuracy is ensured, and the processing cost is saved.

The invention discloses a catenary tracking method and system in a pantograph catenary system. The catenary tracking method comprises the following steps: S1, acquiring a video frame image of the pantograph catenary system; S2, determining position information of the pantograph through image recognition; S3, identifying all suspension lines in the image, and calculating and determining parametersof the suspension lines; And S4, calculating and determining the contact line according to the parameters of the suspension line and the position information of the pantograph. The method has the advantages that the contact line can be identified from multiple suspension lines and tracked, line changing identification and processing of the contact line can be carried out at the anchor section joint, the accuracy is high, and the stability is good.

The invention discloses a method for realizing multi-serial port device connection and monitoring. The method comprises setting special topological positions of a main CPU and external serial port sending-receiving signals in a network, setting a resistor in a special signal path to ensure level equalization when switching signals, to prevent mutual interference of annular signals formed by big delta connection. A CPU is provided to communicate with any functional component, and through external serial ports (connected with a computer), data sent and received by the CPU is monitored, and a monitoring function can be switched off. The external serial port communicates with any functional component or the CPU, to realize functions of independent debugging or program download. The method prevents a problem that a conventional method uses an electronic switch box internal jumper cap, and effectively solves inconvenience of design and maintenance, and gets rid of manual error caused by opening a cover and cutting off a power supply required by connecting the jumper cap. The method effectively reduces design manufacturing cost, and improves equipment operation reliability.

The invention belongs to the technical field of online detection of industrial tower equipment and discloses a scanning and moving device for tower fault detection. The scanning and moving device comprises a wire winding wheel, a wire distributor, a handle, a speed reducer, a pulley block, a wire winding device, a wire pressing device and a base. The scanning and moving device has the key points that the wire winding wheel is connected with the speed reducer and the handle; a steel wire rope of the wire winding wheel is positioned by a pulley block; a pulley in the pulley block, which is farthest from the wire winding wheel, is provided with a wire pressing device; a rotating shaft of the pulley is connected with a mechanical rotating counter; the wire winding wheel and the pulley block are arranged together on the base. The scanning and moving device disclosed by the invention has the advantages that the operation is simple, the distance measurement is accurate, the displacement errors are few, and the labor can be alleviated.