2927 results about "Tailstock" patented technology

The invention relates to a program-controlled side-moving oil cylinder circumferential seam welding machine, which consists of seven parts: an automatic control system, a power clamping mechanism, a lateral shifting device, a vertical lifting device, a welding torch swinging device, a position fine-tuning device and a welding mechanism. The invention adopts a PLC programmable controller as a main control unit, and adopts a Chinese display and video touch screen as a parameter adjustment dialogue interface. The touch screen can set the welding voltage, current welding speed and swing speed of each layer, and it is equipped with automatic and manual buttons for welding torch up and down. The invention adopts the mode of rotating the workpiece and fixing the welding torch; the welding torch is equipped with a fine-tuning mechanism and a two-axis angle adjustment device, which can adjust different welding angles; the welding torch is controlled by air pressure, and the micro DC motor drives the welding torch to swing; the tailstock is tightened by air pressure, and the machine head The three-jaw clamping method is adopted to realize automatic, manual and semi-automatic operation. The invention has the advantages of high degree of automation, good welding quality, safety and reliability.

The invention discloses a tailstock type vertical take-off and landing unmanned aerial vehicle. A pitching fan is mounted at the head of a body; the tail of the body is connected with wings; four vertical tails are distributed on the wings in a vertically and bilaterally symmetric manner; an off-course rudder and a landing gear are mounted behind the vertical tails; and two mutually independent propellers are fixed at the junction of the wings and the vertical tails. According to the invention, as the tailstock type fixed-wing vertical take-off and landing technology is adopted, the unmanned aerial vehicle not only can vertically take off and land and hover as a helicopter, but also can cruise at a high speed as a fixed-wing aircraft; and the structure is simple, the power is simplified, and the manipulation is flexible. Due to the pitching fan at the head of the body, the aerial vehicle can fly more actively; and particularly in transitional flying from a vertical state to a horizontal state or from a horizontal state to a vertical state, the advantages are more obvious, and the vertical-to-horizontal conversion can be finished only by rising a short distance or in a hovering state.

A traffic flow vehicle detection method based on a video comprises the following steps: acquiring information; preprocessing images; setting a virtual detection area by the steps of reading whole video data, setting a virtual area or the virtual detection area for a first frame image, and selecting an area which has proper size and is vertical to the traveling direction of a vehicle as the virtual detection area of the processing analysis of vehicle detection; calibrating coordinates: finding the corresponding perspective relationship of the actual road image and the shot video image and converting the coordinates on the virtual detection area; extracting a target: carrying out the binarization division on a target area and analyzing binarization characteristic patterns; judging the vehicle by using the two-dimension information of the vehicle edge; detecting the side edge and the tailstock position of each target in the virtual detection area, if being detected to simultaneously have the side edge and the tailstock, the target is taken as the vehicle, entering the next step, or returning to continue to extract the target; calculating the vehicle, and ending the detection.

The invention relates to an insulator horizontal tensile testing machine, which comprises a working platform, wherein a rail is arranged on the working platform; the rail is provided with a headstock and a tailstock; the side wall of the working platform is provided with a plurality of through pin holes; the tailstock comprises a traveling mechanism, locking mechanisms and a fine adjustment mechanism, and is provided with a travel switch; the traveling mechanism comprises a driving motor, and an output end of the driving motor drives a pulley block through a middle transmission mechanism; the locking mechanisms are divided into two groups and are symmetrically arranged on two sides of the tailstock, each group of the locking mechanisms comprises a locking motor, an output end of the locking motor is connected with a transverse screw rod, a sliding block provided with a plug pin is inserted on the screw rod, and the position of the plug pin corresponds to the through pin holes; and the fine adjustment mechanism comprises a fine adjustment motor, an output end of the fine adjustment motor is connected with a rotating wheel, a longitudinally arranged screw rod is inserted on the rotating wheel, and the front end of the screw rod is connected with a tailstock clamp. The insulator horizontal tensile testing machine is also provided with a loading cylinder which is controlled by a remote measurement and control system. The insulator horizontal tensile testing machine adopts the movable tailstock, and has macro-movements, positioning and micro-adjustments so that the distance between the headstock and the tailstock on the working platform is convenient to adjust to adapt to tensile tests of insulators with different lengths.