30results about How to "The technical idea is ingenious" patented technology

Disclosed is a machining method for on-machine test deviation correction of numerical control electric spark holes of a turbine blade. An electric spark hole machining tool used by the machining method is at least equipped with six numerical control axes including four linear axes and two rotating axes, the linear axes are X axis, Y axis, Z axis and W axis, and the rotating axes are B axis and C axis. The method is characterized by comprising the steps of: (1) setting an on-machine displacement measuring head; (2) selecting measuring points; (3) clamping a standard sample; (4) acquiring mechanical coordinate values of six measuring points of the standard sample; (5) clamping a to-be-machined piece of the turbine blade; (6) performing measurement and deviation correction of a to-be-machinedpiece leveling feature group of the turbine blade; (7) performing measurement and deviation correction of a to-be-machined piece rotating feature group of the turbine blade; (8) performing measurement and deviation correction of a to-be-machined piece origin feature group of the turbine blade; and (9) correcting deviation in hole machining. The method is high in machining precision, high in position and angle precision of air film holes and high in machining efficiency, and can organically combine on-machine test with actual machining.

An improved tail push-type disposable safety blood collection device, including a shell, a needle core, a spring, and a tail cap. It is designed with structures such as narrow grooves, wide grooves, transition slopes and radial protrusions, so that the rear end face for rear end limit, transition slope or arc for climbing is formed on the forward movement path of the outer hook relative to the accommodating cavity surface and the locking end surface for locking the front end. In the ready-to-launch state, the outer hook is hooked on the rear end surface, so that the tail cover is at the rear end limit position relative to the accommodating cavity. When the tail cover is pushed forward, the outer hook is Climb along the transition slope or curved surface until it crosses the radial protrusion. In the state after launch, the outer hook is hooked on the locking end surface of the radial protrusion, so that the tail cover is at the front end locking position relative to the housing cavity. This solution solves the problem of low reliability of the original locking structure.

The invention relates to an embroidery method of a knotting embroidery with different colors of two surfaces. The method is characterized in that aiming at patterns which form mirror images mutually on the front and back surfaces of a same embroidery backing material, two sets of needles and threads are utilized, and a knotting embroidery stitching method is adopted to carry out embroidery on the front and back surfaces of the backing material at the same time. One set of needle and thread is used for knotting on the front surface and the needle is hidden on the back surface; and the other set of needle and thread is used for knotting on the back surface and the needle is hidden on the front surface. The operation of knotting on the front surface and the operation of knotting on the back surface are alternately performed in a one to one mode, and needle hiding is alternately performed relative to the knotting operation. The positions of knotting on the front and back surfaces are the same, and the stitch lengths are consistent. The first embroidery thread forms the knotting pattern on the front surface, and the second embroidery thread forms the knotting pattern on the back surface, wherein stitches left on the back surface by the first embroidery thread are hidden behind the knotting pattern on the back surface, and stitches left on the front surface by the second embroidery thread are hidden behind the knotting pattern on the front surface. As the front surface and the back surface are simultaneously subjected to equal and synchronous embroidering operation, a knotting embroidery work with different colors of two surfaces and the same effect can be obtained.

A blood collection pen that uses a tail handle to load and adjust the depth, including a housing, a shooting rod, and a tail handle, and is characterized in that: between the tail handle and the housing, the axial distance between the guide protrusion and the guide groove is used. The position is poor, and a special composite fit section is established. On the composite mating section, the guide protrusion and the guide groove have two working states: non-cooperating and cooperating. Among them, the non-cooperating working state is used to meet the need for the tail handle to rotate in the circumferential direction relative to the housing when adjusting the puncture depth, and the cooperating The working state is to meet the need for the tail handle to slide axially relative to the housing when the shooting rod is loaded, so that the two different movements of rotating to adjust the puncture depth and axial sliding loading are combined on the same tail handle. This solution breaks the limitations of the traditional structure and provides a novel and reasonable structural design. Its technical concept is unique and ingenious, and it reduces the number of parts, simplifies the structure, and is also convenient for identification and operation.