60results about How to "Assembly structure is stable" patented technology

The invention discloses a nucleic acid detection method based on surface plasmon resonance technology. First, graphene oxide is electrodeposited on the surface of a bare SPR chip, and then the activated molecular layer of perylene derivatives grafted with aminotriacetic acid is adsorbed through conjugation. Assemble the 5′ end biotinylated capture cDNA probe as the sensing interface to detect the target tDNA, and after realizing the binding and capture of tDNA, add the 3′ end biotinylated response rDNA to form a long chain dsDNA and expose its biotin molecules , combined with avidinated horseradish peroxidase to complete the assembly, and finally add aniline and hydrogen peroxide mixed solution, use horseradish peroxidase to catalyze the aniline polymerization deposition reaction to form polyaniline, and realize the detection of target nucleic acid according to the SPR signal. The present invention uses two-dimensional nanomaterials for "bottom-up" construction, and forms an SPR sensing platform with double-sensitized signals with a top-mounted "top-down" gravimetric reactor, which can achieve specificity and sensitivity to target DNA. Sensitive detection, the detection limit can reach femtomolar level.

The invention discloses a cold extrusion device, and a female die and a male die thereof. The cold extrusion device comprises the female die and the male die, wherein the female die comprises a die seat; the die seat has a sleeve-shaped structure; the lower end of the inner pore of the die seat is provided with a lower guiding sleeve; a die sleeve is arranged in the inner pore of the die seat and above the lower guiding sleeve; the internal diameter of the die sleeve is equal to the external diameter of a workpiece; the upper end of the die sleeve is detachably provided with an upper guiding sleeve; the inner pore of the upper guiding sleeve is an upper guiding pore; the upper part of the inner pore of the lower guiding sleeve is provided with a cutter entering pore avoiding an extrusion head cutter; the pore diameter of the cutter entering pore is less the internal diameter of the die sleeve; the lower part of the inner pore of the lower guiding sleeve is a lower guiding pore; the male die comprises a guiding rod having a guiding direction movably fitting with the upper and lower guiding pores; and the middle part of the guiding rod is provided with the extrusion head cutter having saw-shaped inner teeth. The cold extrusion device, which enables positioning to be carried out through the upper and lower guiding sleeves and the cold extrusion process to be completed through a case that the extrusion head cutter traverses from one end of the workpiece to the other end of the workpeice, has the advantages of simple structure, small comprehensive error, and good dimensional consistency of processed products.

The invention comprises multi pins connected each other. Said fins have a lower wall and a side wall extending at the side edge of the lower wall. It features multi female clamping slots located at the lower wall, and multi male clamping pieces located on the side wall and used for plugged into the female clamping slot; said female clamping slots have a plug; said male clamping pieces has a jack used for holding the plug.

The invention discloses an antenna and an elastic support element thereof. The elastic support element comprises a base, an elastic arm and a support frame, wherein the elastic arm comprises a straight arm segment and a cantilever segment; the straight arm segment obliquely extends upwards from the base; the cantilever segment extends towards the direction far away from the straight arm segment from the top end of the straight arm segment in an arc bending manner; and the support frame is arranged between the base and the elastic arm and is provided with a bearing part which is propped againstthe straight arm segment and/or the cantilever segment to support the elastic arm when the elastic arm elastically deforms towards the direction in which the support frame is located under external pressure. According to the elastic support element, a sectional design is adopted by the elastic arm, so that the flexibility is high; the support frame is provided with the bearing part correspondingto the elastic arm, so that the support effect is good; and the buffer capacity of the elastic support element on impact of external force is high through coordination of the support frame and the bearing part.

Disclosed is a drainage canal structure, and in particular is a prefabrication type drainage canal structure which makes it possible to prevent a transformation and disengagement of a drainage canal in such a way that a plurality of drainage canal bodies each equipped with a waveform reinforcing unit are assembled in series, and a protection net is arranged over the drainage canal bodies which are buried underground, and a side reinforcing unit is installed into the ground so that a bottom foundation can be expanded, and the drainage canal bodies can be fixed in place on the ground. Trees, gravels, etc. can be prevented from penetrating into the drainage canal bodies thanks to the protection net. The drainage canal structure with an increased self-weight can be provided, which can keep it in place. Work and construction time can be saved because the drainage canal structure can be manufactured on the spot.

The invention discloses a novel rapid connection type detachable filter flask installation component. The novel rapid connection type detachable filter flask installation component comprises a flask body and a flask plug, wherein the flask plug is plugged into an opening end of the flask body and is connected with the opening end in a sealed mode. The novel rapid connection type detachable filter flask installation component is characterized in that an insert sleeve for limiting the flask plug into the opening end of the flask body is clamped to the outer peripheral wall of the opening end of the flask body, and is spliced by at least two sub insertion sleeves; a flask cap sleeves and is fixed on the outer part of the insert sleeve, compresses each sub insert sleeve to the opening end of the flask body, and can fix the flask plug and the flask body together. The filter flask installation component tightly wraps the opening end of the flask body with the insert sleeve via the flask cap and fixes the flask plug and the flask body together, is simple and firm in assembling structure, is convenient to mount and dismount, can be used for replacing a filter element rapidly without special technicians, not only prevents the dismounting trouble of the threaded seal type connection of the filter element, but also directly realizes seal by utilizing a physical mechanical structure, and meanwhile has the characteristics of high bearing capability of the threaded seal mode and filter element replacement convenience of a seal mode of a spiral melting welding technology.

The invention relates to the field of supramolecular chemistry, and discloses a supermolecular bactericide as well as a preparation method and sterilization method thereof. The supermolecular bactericide contains a cation type surfactant as shown in a formula (I) and a bottle gourd [n] urease as shown in a formula (II), wherein R1 is C8-C18 alkyl, and is preferably C12 alkyl or C16 alkyl; R2 is C1-C3 alkyl or C6-C8 aryl groups, and preferably methyl or benzyl; n is 7 or 8, and is preferably 7; X- is Cl- or Br-. The preparation method of the supermolecular bactericide comprises the following step of dissolving the cation type surfactant as shown in the formula (I) and the bottle gourd [n] urease as shown in the formula (II) in water. The sterilization method comprises the following step of applying the supermolecular bactericide and amantadine hydrochloride onto objects to be sterilized. The sterilization activity of the supermolecular bactericide provided by the invention is intelligently controllable, and the drug tolerance problem of pathogenic bacteria can be effectively solved.

The invention relates to a fan motor processing machine, in particular to a molding device of a fully automatic fan motor assembly equipment. The invention provides the following technical solutions: a molding device for fully automatic fan motor assembly equipment, including an organic body, a turntable mounted on the body and capable of rotating along the body, a number of assembly fixtures evenly distributed on the turntable, and one side of the turntable It is also an assembly device for assembling workpieces in the assembly fixture. The assembly device includes a rotor conveying assembly, a rotating shaft conveying assembly and a rotating shaft assembly arranged sequentially on the outer edge of the turntable. By adopting the above technical proposal, a molding device for fully automatic fan motor assembly equipment with improved assembly efficiency, reduced assembly cost and stable assembly structure is provided.

The invention relates to an extrusion type distressing method for a finished worm. The method comprises the following steps that S10, the worm is placed on an extrusion station, and an extrusion pieceis aligned to a tooth groove in the worm; S20, a driving device enables the worm and the extrusion piece to be close to each other and implements extrusion; S30, in the extrusion state, the extrusionpiece rotates and drives the worm to rotate, and the extrusion piece moves along the tooth groove in the worm; and S40, after extrusion is finished, the driving device returns. The invention furtherrelates to a destressing device, wherein a lower plate can be driven by a hydraulic device to move up and down along guide columns; a base assembly is arranged on the lower plate, and a worm placing assembly for placing the worm is arranged on the base assembly; and the extrusion piece is fixed to the lower surface of an upper plate and driven by a motor to rotate. According to the extrusion typedestressing method for the finished worm provided by the invention, operation is facilitated, and damage to the worm is small. Meanwhile, according to the extrusion type distressing device for the finished worm further provided by the invention, the worm distressing operation can be conveniently implemented.

The invention discloses a connecting method of sectional type blades and blade shafts of a wind generating set. The blades are provided with the shafts, and the two ends of the shafts are positioned. According to the method, each blade shaft (connecting cylinder) is divided into two sections, wherein a flange plate is designed at the joint of the two sections, and the two sections are connected through the flange plate. The method comprises the steps that firstly, the blades are segmented, and the blades comprises blade root sections and blade front sections; and the flange plates are designed at the joints of the blade front sections and the blade root sections, the flange plates can be inner flange plates or outer flange plates, and the blade root sections and the blade front sections are fixedly installed through the flange plates. According to the technical scheme, by arranging the connecting cylinders, the blades are connected through anti-flutter connecting assemblies in the connecting cylinders, so that the mounting strength and the mounting rigidity are high, the connection is stable, and the anti-flutter effect is good.

The invention discloses a novel three-dimensional adjustable hinge. The novel three-dimensional adjustable hinge comprises a hinge body, wherein the hinge body is provided with rotating shafts and hinge sheets; the rotating shafts comprise an upper shaft and a lower shaft; a lower inserting shaft is arranged at the bottom of the upper shaft; an inserting shaft groove is formed in the top of the lower shaft; the lower inserting shaft is inserted into the inserting shaft groove; the hinge sheets comprise an upper hinge sheet and a lower hinge sheet; the upper hinge sheet is connected to the upper shaft; the lower hinge sheet is connected to the lower shaft; a concave cavity is formed in the top of the upper shaft, and an opening is formed in the concave cavity; the upper page sheet is inserted into the concave cavity, and an inserting strip part is arranged in the concave cavity; first screw penetrating ports are formed in the cavity wall, opposite to the opening, of the concave cavity,and X-axis adjusting screws are hung on the cavity wall, opposite to the opening, of the concave cavity in a penetrating mode through the first screw penetrating ports; a second screw penetrating portis formed in the cavity wall, opposite to the opening, of the concave cavity, and an X-axis jacking and fixing screw is connected to the cavity wall, opposite to the opening, of the concave cavity ina threaded mode through the second screw penetrating port; third screw penetrating ports are formed in the cavity wall of the front side of the concave cavity, and front Z-axis adjusting screws are connected to the cavity wall of the front side of the concave cavity in a threaded mode through the third screw penetrating ports; fourth screw penetrating ports are formed in the cavity wall of the back side of the concave cavity, and back Z-axis adjusting screws are connected to the cavity wall of the back side of the concave cavity in a threaded mode through the fourth screw penetrating ports; the third screw penetrating ports correspond to the fourth screw penetrating ports in position; a Z-axis jacking and fixing screw is connected to one of the front side and the back side of the inserting strip part in a threaded mode; a screwdriver inlet is formed in the cavity wall of the concave cavity; a groove communicating with the inserting shaft groove is formed in the bottom of the lower shaft; and a Y-axis adjusting device is arranged in the groove. The novel three-dimensional adjustable hinge has the advantages that the structure is simple, a door body can be transversely and vertically adjusted and can be adjusted inside and outside, the installation precision is high, the adaptability is high, and installation is labor-saving and practical.