11results about How to "Avoid potential damage" patented technology

The utility model discloses a kind of aluminum veneer mounting frame assembly structures, including vertical strut, diagonal strut, corner code and connecting piece, vertical strut is respectively erected in horizontal direction and vertical direction, forms frame, and diagonal strut is installed at frame diagonal, diagonal strut both ends are connected with vertical strut, diagonal strut is connected and fixed with corner code by connecting piece, wherein corner code includes right angle code and bevel code.The connecting mode of the utility model does not need welding, simple and quick operation, reduce the requirement to worker skill, avoid the security risk and potential damage to aluminum veneer brought by welding simultaneously, and by setting diagonal support strut piece in frame middle, the in-plane and out-of-plane stability of frame is enhanced.

This invention relates to the field of extraction, specifically to a method for producing a supramolecular red ginsenoside extract. The extraction process includes the following steps: S1, pulverizing and sieving red ginseng to obtain red ginseng powder; S2, adding the red ginseng powder obtained in step S1 to a solvent, heating and refluxing for extraction, concentrating and drying to obtain a crude extract; S3, preparing a loading solution from the crude extract obtained in step S2, eluting through an adsorption resin packed column, collecting the eluent, concentrating and drying to obtain the red ginsenoside extract. The production method of this invention can shorten the number of extraction steps and increase the total saponin content in the extract.

The utility model relates to medical instrument technical field, specifically disclose a kind of special depth-limiting bone chisel of endoscope channel, comprising: hand-held part;Knocking part;And bone chisel main part;Bone chisel main part one end is bone chisel head, and the other end is set in hand-held part, and the outside of the connection with hand-held part is equipped with the adjusting part of cylindrical shape, the adjusting part outside is sleeved with depth-limiting sleeve;Depth-limiting sleeve, depth-limiting sleeve is connected with the adjusting part outer thread by internal thread, and depth-limiting sleeve is close to bone chisel head end and is equipped with annular groove, and bone chisel head is embedded in annular groove by annular groove sleeve connection depth-limiting shell;Depth-limiting shell, the inside of depth-limiting shell is equipped with the groove that can pass through bone chisel main part, and it is equipped with the outer expansion baffle near bone chisel head, and it is equipped with the convex in annular groove away from bone chisel head end. The special depth-limiting bone chisel of endoscope channel is through the characteristics such as adjustable chisel depth, prevent the protection mechanism of chisel and go deep, easy to operate and durable stable structure, significantly improve the deficiency of traditional depth-limiting bone chisel.

This utility model relates to the field of mechanical manufacturing technology, specifically disclosing an adjustable impact force nail driver. It includes a housing, a first cylinder, a cover, a working piston, and a piston rod connected to the working piston. The housing, the first cylinder, and the cover form a first air chamber above the working piston to store high-pressure gas. It also includes an air replenishment device disposed on the cover, which maintains the air pressure in the first air chamber at the working pressure through the movement of the working piston. The key feature is that the cover also has a pressure regulating device, which includes a valve body, a valve rod, a pressure regulating core, and a pressure regulating spring. The valve body is connected to the cover and has an opening / closing port. The valve rod is axially movable and mounted in the valve body, cooperating with the opening / closing port. This solves the problems of gas leakage leading to reduced air pressure and the inability to adjust the impact force in existing technologies, improving operational efficiency and ease of use.

The invention relates to the field of mechanical sealing, in particular to an anti-clamping dry gas sealing structure with forward feedback control and a control method, a push ring, a sealing ring, a static ring and a moving ring are sequentially arranged in the axial direction to form a mechanical sealing assembly, and the anti-clamping dry gas sealing structure further comprises a spring seat arranged on the other side of the push ring relative to the static ring. A guide cavity is formed in the spring seat in the direction parallel to the axis of the static ring, the piston is in sliding fit with the guide cavity after being driven by the pulse type power source, and the push ring spring is arranged between the piston and the push ring and applies pulse type periodically changing elastic pressing force to the push ring after being pushed by the piston. The device further comprises a detection assembly used for fixing the displacement sensors, all the displacement sensors are arranged in the linear direction not passing through the axis of the push ring, and all the displacement sensors are configured to detect the axial displacement of corresponding points on the ring face of the push ring. Active intervention on the clamping stagnation state is achieved through the forward feedback control assembly, the pulse type periodically-changed pressing force acts on the push ring, and the clamping stagnation state can be eliminated online.

The utility model provides an energy harvesting type capacitor, which relates to the technical field of energy storage capacitors, and comprises a capacitor main body, a clamped piece is arranged at the top of the capacitor main body, a parallel transverse clamping groove is arranged on one side of the clamped piece, and the edge of the inner wall of the parallel transverse clamping groove is a fillet. The capacitor is generally large in size and dead weight, most of the capacitor is cylindrical, the surface of the capacitor is smooth and lacks stress points, the capacitor is prone to falling off in the clamping process, the installation difficulty is increased, the working efficiency is reduced, and in order to ensure the clamping stability, the clamping force of a clamping assembly needs to be greatly increased, so that the clamping efficiency is greatly improved. However, the increased clamping force can cause scratching of the surface of the capacitor, so that scratches are generated, even the outer layer of the capacitor is damaged, and internal substances flow out, which not only can influence the performance and the service life of the capacitor, but also can cause damage to the whole circuit system.

The specification provides a calcium overload and iron death synergistic photodynamic diagnosis and treatment of responsive nano probes and preparation method. The method is to encapsulate porous iron-based metal nanoparticles (PEG-MOF-Fe) by calcium peroxide (HA-CaO2) nanoparticles, and to load the chemotherapeutic drug doxorubicin (DOX) into the pores to form calcium overload and iron death synergistic photodynamic diagnosis and treatment of responsive nano probes MOF-Fe@DOX-CaO2. With the long circulating effect of PEG, the nano probe is efficiently enriched in the tumor, and the tumor location is accurately determined by fluorescence / magnetic resonance multi-modal imaging. After entering the tumor tissue, CaO 2 Nanoparticles will dissolve in the low pH environment of the tumor, and then realize the DOX and Ca 2+ Site-controlled release. Under the co-catalysis of Ca 2+ , TCPP and Fe 2+ , calcium overload and iron death synergistic photodynamic co-action, the effect of efficient diagnosis and treatment of tumor is achieved.

The utility model belongs to the technical field of workshop dust removal equipment, and discloses an automatic cleaning device for a workshop. The automatic cleaning device for the workshop comprises a cleaning mechanism and a traction fixing mechanism. Wherein the cleaning mechanism comprises a cleaning assembly and a medium conveying assembly, the cleaning assembly is connected with the medium conveying assembly, a cleaning channel is formed in the cleaning assembly, a conveying channel communicated with the cleaning channel is formed in the medium conveying assembly, the medium conveying assembly provides a cleaning medium for the cleaning assembly, and the cleaning assembly is used for cleaning a to-be-cleaned part; the traction fixing mechanism is connected with a to-be-cleaned part and can drag the to-be-cleaned part so that the to-be-cleaned part can be in a to-be-cleaned state. According to the automatic cleaning device for the workshop, the to-be-cleaned part can be comprehensively and efficiently cleaned without disassembling the to-be-cleaned part, the hidden danger that a cloth bag is damaged is avoided, and the working efficiency is improved.

The utility model discloses an MEMS pressure chip for isolating packaging stress, which comprises tube shells, an adhesive is fixed at the top ends of the tube shells, a silicon support is fixed at the top end of the adhesive, a gauge pressure hole is arranged between the two groups of tube shells, an upper end expansion joint is arranged at the top end in the silicon support, and a lower end expansion joint is arranged at the top end in the silicon support. A lower end expansion joint is arranged at the bottom end of the interior of the silicon support, and a chip body is installed at the top end of the silicon support. According to the utility model, the packaging stress is isolated by designing a brand new support structure on the chip, and meanwhile, the glass support is changed into monocrystalline silicon which is easier to process and consistent with the property of the chip, so that the influence of the packaging stress on the sensor is thoroughly eliminated. The thermal expansion stress release structure design is used for adapting to material expansion and shrinkage caused by temperature changes, and excessive stress and potential damage are prevented. These structures typically utilize expansion joints or other design features, allowing the material to move freely without constraint, thereby releasing stress.

The application discloses a kind of spectral identification and sorting device suitable for monochrome porcelain fragments.It includes support, ceramic fragment conveying mechanism is horizontally arranged on support, imaging station is arranged on ceramic fragment conveying mechanism;Camera height adjustment mechanism is vertically arranged on support, camera height adjustment mechanism is located above the input end of ceramic fragment conveying mechanism, hyperspectral imaging camera is equipped on camera height adjustment mechanism, the lens of hyperspectral imaging camera is towards imaging station on ceramic fragment conveying mechanism;Frame light source unit is also provided on support, frame light source unit is located above ceramic fragment conveying mechanism and covers imaging station;Sorting execution mechanism is also provided on support, sorting execution mechanism is located at the output end of ceramic fragment conveying mechanism;Spectral identification and sorting device suitable for monochrome porcelain fragments also includes control unit, control unit is signal connected with ceramic fragment conveying mechanism, hyperspectral imaging camera and sorting execution mechanism respectively.

The invention relates to a vehicle surface ice and snow removal control method, device and equipment, a vehicle and a medium, and the method comprises the steps that when it is determined that a target part meets the triggering condition of an ice and snow removal function based on multi-source fusion detection, a high-pressure gas source and a heat source which are not specially used for ice and snow removal on the vehicle are used for generating heated high-pressure gas; wherein the target part is a part where ice and snow need to be removed outside the vehicle; according to the structural characteristics and the fault position information of the target part, controlling a corresponding tail end executing mechanism to spray heated high-pressure gas to the surface of the target part; according to the current ice and snow adhesion state of the target part, performing closed-loop control on the clearing action; wherein the change of the ice and snow adhesion state is used for indicating the ice and snow removal effect. According to the method, the vehicle gas source and the heat source are reused to generate the heating high-pressure gas for targeted injection, efficient removal is achieved based on ice and snow state closed-loop regulation and control, hardware reuse and intelligent energy saving are fused, and convenience, safety and energy efficiency are improved.