4results about How to "Free position adjustment" patented technology

The utility model relates to the technical field of main beam frames, in particular to a numerical control double-headed saw main beam frame with high stability, which comprises a main beam frame, a cross beam, three fixing seats I, an inclined strut structure and an auxiliary supporting structure, the top of the main beam frame is fixedly connected with the cross beam, and the outer wall of the cross beam is fixedly connected with the three fixing seats I through fixing bolts I; the bottoms of the first fixing seats at the left end and the right end are fixedly connected with inclined strut structures, the bottom of the first fixing seat in the middle is fixedly connected with an auxiliary supporting structure, the tops of the second supporting rods are rotationally connected with the first fixing seats, the bottoms of the second supporting rods are rotationally connected with a fixing plate, and the tops of the third supporting rods are fixedly connected with the first fixing seats. The bottom of the third supporting rod is fixedly connected with a second fixing base. The inclined strut structure is arranged and can serve as a reinforcing rib, so that the supporting strength of the left end and the right end of the cross beam is improved, and the angle and the position of the second supporting rod can be freely adjusted.

The utility model belongs to the technical field of crop sprinkling irrigation, and discloses a water sprayer and a sprinkling irrigation spray gun, the water sprayer comprises a first connecting pipe, a second connecting pipe and at least two sprayer assemblies, the water inlet end of the first connecting pipe is used for being connected with external water supply equipment in a sealing mode; the second connecting pipe is in sealed through connection with the first connecting pipe and is provided with at least two water outlets; each spray head assembly comprises an adapter tube, a universal adjusting piece and a spray head, the first end of each adapter tube is detachably and hermetically connected with each water outlet of the second connecting tube, the second end of each adapter tube is connected with the universal adjusting piece, the universal adjusting piece can freely adjust the spraying angle in multiple directions, and the spray head is installed at the water outlet end of the universal adjusting piece. The device is used for directionally spraying water flow to a target area. The spraying device has a large spraying angle and a wider coverage area, can effectively avoid spraying dead angles, has good adaptability, and is suitable for irrigation requirements of different crops.

The invention discloses a coal mine fully mechanized coal mining face protection device and a construction method.The coal mine fully mechanized coal mining face protection device comprises a flexible net, at least three first top plates and a second top plate, the bottom of each first top plate is connected with a first wire guide wheel through a hanging rod, and a pull wire is wound around the top of each first wire guide wheel; the two ends of the pull wire are connected with the winding assemblies respectively, the winding assemblies are connected with a second top plate arranged on the top of the fully-mechanized face through a hanging bracket, the pull wire is connected with the flexible net through a hook, a net drawing wire is arranged at the bottom of the flexible net, and the other end of the net drawing wire winds around a first wire guide wheel arranged on the top of a roadway. The winch is arranged on the ground of the roadway. The net guide assembly is arranged in front of the trolley, and the limiting guide frame is arranged on the guide supporting column, so that suspended transportation of a net body is achieved, friction between a flexible net and the ground and the inner wall of a roadway is avoided, and the damage rate of the net body is reduced; by arranging the net pulling assembly and the flexible net guide frame, the machine spanning efficiency is improved, the burden of workers is relieved, use is convenient, and operation is easy.

The utility model relates to a distribution box technical field especially relates to a kind of insulating device of distribution box, including cabinet, the back of inside cabinet is provided with insulating plate, sink head hole is all set up in four corners of insulating plate front, first bolt is all inserted with the thread connection of cabinet inner wall in four sink head holes, vertical guide rod is installed in the two sides of insulating plate front, installation mechanism is set between two guide rods;Installation mechanism includes mounting bracket, multiple mounting components and two positioning components, two positioning components are respectively installed in the two sides of mounting bracket, and two positioning components are respectively set on two guide rods, front and rear through movement slot is set in the side of mounting bracket, each mounting component is slidably installed in movement slot, the utility model can install different specifications size electrical components without punching on insulating plate, and it is convenient to dismount and position adjustment to guide rod installation mechanism.