B23D33/00

Interference protection device and method for hydraulic support and cutting part of shearer

Disclosed is an interference protection device and method for a hydraulic support and a cutting part of a shearer. The device includes: a plurality of dust-proof cases evenly and fixedly provided on a surface of one side of a hauling part of the shearer that faces away from a coal wall, and a dust-proof housing fixed on the hydraulic support. A first ultrasonic transducer and a flash lamp are fixedly provided in each dust-proof case, and a second ultrasonic transducer, a receiver, and a data processing module are fixedly provided in the dust-proof housing. The data processing module is electrically connected to the second ultrasonic transducer and the receiver separately, the first ultrasonic transducers and the flash lamps are all electrically connected to an external single-chip microcomputer, and the data processing module is electrically connected to a hydraulic support control computer. The present invention obtains a distance from the shearer to the hydraulic support by calculation from a difference between time points at which the second ultrasonic transducer and the receiver on the hydraulic support respectively receive an ultrasonic signal and an optical signal, and thus timely controls a guard plate to retract, thereby achieving the advantages of low cost, high applicability and high reliability.

Interference protection device and method for hydraulic support and cutting part of shearer

Disclosed is an interference protection device and method for a hydraulic support and a cutting part of a shearer. The device includes: a plurality of dust-proof cases evenly and fixedly provided on a surface of one side of a hauling part of the shearer that faces away from a coal wall, and a dust-proof housing fixed on the hydraulic support. A first ultrasonic transducer and a flash lamp are fixedly provided in each dust-proof case, and a second ultrasonic transducer, a receiver, and a data processing module are fixedly provided in the dust-proof housing. The data processing module is electrically connected to the second ultrasonic transducer and the receiver separately, the first ultrasonic transducers and the flash lamps are all electrically connected to an external single-chip microcomputer, and the data processing module is electrically connected to a hydraulic support control computer. The present invention obtains a distance from the shearer to the hydraulic support by calculation from a difference between time points at which the second ultrasonic transducer and the receiver on the hydraulic support respectively receive an ultrasonic signal and an optical signal, and thus timely controls a guard plate to retract, thereby achieving the advantages of low cost, high applicability and high reliability.

INTERFERENCE PROTECTION DEVICE AND METHOD FOR HYDRAULIC SUPPORT AND CUTTING PART OF SHEARER

Disclosed is an interference protection device and method for a hydraulic support and a cutting part of a shearer. The device includes: a plurality of dust-proof cases evenly and fixedly provided on a surface of one side of a hauling part of the shearer that faces away from a coal wall, and a dust-proof housing fixed on the hydraulic support. A first ultrasonic transducer and a flash lamp are fixedly provided in each dust-proof case, and a second ultrasonic transducer, a receiver, and a data processing module are fixedly provided in the dust-proof housing. The data processing module is electrically connected to the second ultrasonic transducer and the receiver separately, the first ultrasonic transducers and the flash lamps are all electrically connected to an external single-chip microcomputer, and the data processing module is electrically connected to a hydraulic support control computer. The present invention obtains a distance from the shearer to the hydraulic support by calculation from a difference between time points at which the second ultrasonic transducer and the receiver on the hydraulic support respectively receive an ultrasonic signal and an optical signal, and thus timely controls a guard plate to retract, thereby achieving the advantages of low cost, high applicability and high reliability.

INTERFERENCE PROTECTION DEVICE AND METHOD FOR HYDRAULIC SUPPORT AND CUTTING PART OF SHEARER

Disclosed is an interference protection device and method for a hydraulic support and a cutting part of a shearer. The device includes: a plurality of dust-proof cases evenly and fixedly provided on a surface of one side of a hauling part of the shearer that faces away from a coal wall, and a dust-proof housing fixed on the hydraulic support. A first ultrasonic transducer and a flash lamp are fixedly provided in each dust-proof case, and a second ultrasonic transducer, a receiver, and a data processing module are fixedly provided in the dust-proof housing. The data processing module is electrically connected to the second ultrasonic transducer and the receiver separately, the first ultrasonic transducers and the flash lamps are all electrically connected to an external single-chip microcomputer, and the data processing module is electrically connected to a hydraulic support control computer. The present invention obtains a distance from the shearer to the hydraulic support by calculation from a difference between time points at which the second ultrasonic transducer and the receiver on the hydraulic support respectively receive an ultrasonic signal and an optical signal, and thus timely controls a guard plate to retract, thereby achieving the advantages of low cost, high applicability and high reliability.

Device and method for cooling a cross-cutting shear in hot strip mills
20210220929 · 2021-07-22 · ·

A device (100) and a method for cooling a knife-bearing element (102.1, 102.2) of a cross-cutting shear (103), which is in particular installed in a hot rolling mill, are described. When the knife-bearing element (102.1, 102.2) is at standstill, at least one guard device (105) is positioned in a cooling position (K) between the knife-bearing element (102.1, 102.2) and a roll strip (101) running continually through the roller mill, such that a side of the knife-bearing element (102.1, 102.2) opposite the roll strip is shielded by the guard device (105).

COMPRESSION OR CUTTING TOOL AND METHOD FOR OPERATING A COMPRESSION OR CUTTING TOOL
20210129310 · 2021-05-06 · ·

A working head (1) for a compression or cutting tool (100) comprises a connecting portion (3) for a removable connection of the working head (1) with an actuation part (2) of the tool (100), two jaws (4) movable between an open position and a closed position to perform the compression or cutting, and a local storage (6) configured for storing one or more cumulative data representative of a stress history of the jaws (4), wherein the local storage (6) is fixed to the working head (1).

Adding cutting stations to bending systems

A system for generating rules inserted into at least one pattern board including: a controller configured to generate at least one shape diagram, the controller also configured to determine number and measurement of crease rules to be generated based on the at least one shape diagram; a cutting station configured to receive and cut a first crease rule into the number and measurement of the crease rules; and a sorter configured to receive the crease rules from the cutting station and sort the crease rules according to the measurement of the crease rules, wherein the sorted crease rules are inserted into each of the at least one pattern board along with a cutting rule shaped by each of at least one bender.

CUTTING OF SOFT METALS WITH THE AID OF ULTRASOUND

Method for cutting soft metals, comprising the use of a cutting tool capable of being set in motion by ultrasonic vibration. The method is employed for cutting components used in the manufacture of an electrochemical storage device, for example, a lithium battery. These components include the anodes, the cathodes, the solid electrolytes, the current collectors and the separators. The method is also employed in a system for manufacturing and/or characterizing an electrochemical storage device.

CUTTING OF SOFT METALS WITH THE AID OF ULTRASOUND

Method for cutting soft metals, comprising the use of a cutting tool capable of being set in motion by ultrasonic vibration. The method is employed for cutting components used in the manufacture of an electrochemical storage device, for example, a lithium battery. These components include the anodes, the cathodes, the solid electrolytes, the current collectors and the separators. The method is also employed in a system for manufacturing and/or characterizing an electrochemical storage device.

Scrap Trimming and Sizing Apparatus and Method

A trimming and sizing apparatus for removing material from a metal piece including a travel way, a cutting assembly, and a table for holding the metal piece. The cutting assembly includes a carriage that travels along the travel way, a boom extending from the carriage in a direction perpendicular to the travel way, at least one cutting torch assembly extending from the boom and comprising a first trimming cutting torch and a second sectioning cutting torch, and a motor that rotates the second sectioning cutting torch in an arc around the first trimming cutting torch while the second sectioning cutting torch is simultaneously moved parallel to the longitudinal direction the travel way by the movement of the carriage. The apparatus may also include a deburring assembly opposite the cutting assembly. Also, a method of removing material from a metal piece using the trimming and sizing apparatus.