138results about How to "Make sure it's intact" patented technology

The invention discloses a high-temperature-resistant insulation coating and a preparation method and application thereof. Slurry for preparing the high-temperature-resistant insulation coating is at least prepared from the following components in parts by mass: (a) 100 parts of polysilazane resin, (b) 1-100 parts of polysiloxane resin containing active functional groups, (c) 5-100 parts of a filler, and (d) 0-10 parts of an assistant. By adopting the polysilazane resin as a primary film forming substance and adopting the polysiloxane resin containing the active functional groups as a secondaryfilm forming substance, the high-temperature-resistant property is ensured, and the coating also has good tenacity; the preparation method is simple and does not rely on special equipment; the temperature-resistant property of the high-temperature-resistant insulation coating prepared through the method can be appropriately adjusted according to actual needs so as to adapt to different application fields; and the preparation method is wide in application range and can be suitable for various insulation objects, strips, pipes, wires and the like.

The invention discloses an automatic board feeding machine for a printed circuit board (PCB) and an automatic board feeding method of the automatic board feeding machine. The automatic board feeding machine is provided with a base and machine cases. The machine cases comprise the front case and the rear case, wherein the front case and the rear case are arranged in parallel, and the distance between the front case and the rear case is adjustable. A conveying device which is used for conveying the PCB to a subsequent working procedure is arranged between the front case and the rear case. A feeding rack is close to the initial end of the conveying device. The automatic board feeding machine further comprises a transferring device and a programmable logic controller (PLC) control system, wherein the transferring device is used for transferring the PCB from the feeding rack to the conveying device. According to the automatic board feeding machine, the conveying device used for conveying the PCB to the subsequent working procedures is located between the front case and the rear case, so that the PCB is prevented from falling in the conveying process; the gap between the front case and the rear case is adjustable, so that the universality is high; the number and positions of suction nozzles are arranged in an adjustable mode, and thus the automatic board feeding machine is suitable for PCBs of various specifications; the suction nozzles release the PCB after the PCB makes contact with the conveying device, and the effect that the PCB is intact is guaranteed; and the overall automation degree is high, labor is saved, and production is efficient.

The present invention belongs to the device which is used for repairing the electric locomotive in the railway factory, and in particular relates to a main transformer installation platform of the electric locomotive. In the technical proposal, a plane vehicle body of the running part is provided with a lifting platform, a side moving platform and a turntable; the lifting platform is connected with the plane vehicle body of the running part through a group of lifting oil cylinders; the side moving platform is arranged on the lifting platform; a side moving oil cylinder is arranged between the upper surface of the lifting platform and the lower surface of the side moving platform; the turntable is arranged on the side moving platform and rotates around the center of gyration. Because of the lifting, turning, translating and other functions, the application efficiency of the installation platform is improved by more than 6 times. Because of the reliable positioning accuracy, the main transformer can be accurately and safely installed, and is guaranteed to be complete; and the installation platform has the characteristics of time-saving, labor-saving and cost-saving capacities, excellent security, high degree of mechanization, convenient maintenance, and so on.

The invention discloses a tool for measuring the surface evenness of a wafer, wherein the tool can rapidly and precisely measure the surface evenness of the wafer without scratching or crashing or hitting or contaminating the wafer. The tool comprises a horizontal base. A wafer containing area is arranged on the base. A support is located on the base. A laser range finder, an X-axis horizontally-moving mechanism for driving the laser range finder to move and a Y-axis horizontally-moving mechanism for driving the laser range finder to move are arranged on the support. The laser range finder is vertically arranged. By means of the tool for measuring the surface evenness of the wafer, through the method that measuring points of the laser range finder walk on the surface of the wafer in the use process, the distance between the laser range finder and each measuring point on the surface of the wafer is measured, and whether the surface of the wafer is even or not can be judged by comparing the measured distance values. The tool is simple in structure, can effectively overcome the defects in the prior art and ensure the completeness of the surface of the wafer, and is high in measurement accuracy and measurement speed.

The present invention related to a fluent metal delivery pump which includes a pump case, a drive capstan and blade, characterized in that the pump case is a upright cylinder; the drive capstan is a screw axis mounted inside the cylinder; and the blade is helical blade surrounding the screw axis; the screw axis is supported by a gear bearing that fixed above the cylinder; and a drive capstan is supported by the gear bearing seat that coaxially connected with the cylinder. sealing blade wheel is provided in the invention which can rotate when driven by the drive capstan and generate centrifugal pull to form some certain negative-pressure inside the pump case, realize dynamic sealing of the pump, prevent cadmium liquor from overbrimming from the gear bearing seat. A structure that utilizing part above the liquid level of the cylinder clad the insulating course is adopted in the invention, so that cadmium liquor remained inside the pump will not cooled quickly after pump stopped which can prevent the remained cadmium liquor from quick crystallization and make mechanical damage to each components, and can prolong service life of the pump.

The invention discloses a multilayer casting filter, comprising a support layer (1) made of a ceramic material and a filtering layer (2) made of a ceramic material and arranged on the support layer. The filtering layer contains alveolate filtering holes (3); the support layer contains grid liquid flow holes (4); a hole density of the filtering layer is larger than that of the support layer; an aperture of a filtering hole is smaller than that of a liquid flow hole; a porosity of the support layer is larger than that of the filtering layer (2); and a thickness of the filtering layer is smaller than that of the support layer. The invention can simplify a pouring system, increase produce rate of a cast technology, reduce cast costs, enhance flow velocity and continuity of pouring, facilitate cast mold filling, improve high temperature impact resistance and high temperature bearing capacity of the filter, ensure integrity of the filter in the whole pouring process, facilitate filtering purification of metal liquid and improve inner quality and comprehensive performances of a cast product, and is suitable for pouring of multiple-part mold and large and medium size cast.

An automatic fruit picking device based on information traceability relates to a picking device and a method. The device comprises a visual recognition device, a QR code pasting device, an automatic picking device and a fruit picking robot, wherein the automatic picking device is connected with a fruit collection box through a conveying hose, the visual recognition device, the QR code pasting device and the automatic picking device are respectively installed on the fruit picking robot; the visual recognition device is connected with the input end of the fruit picking robot, and the output endof the fruit picking robot is respectively connected with the QR code pasting device and automatic picking device. The method includes the steps of determining the position and maturity of the fruit on a fruit tree by the visual recognition device, activating the QR code pasting device to paste planting information, starting the automatic picking device to pick the fruit, and conveying the pickedfruit through the conveying hose to the fruit collection box. The invention can realize automatic picking and quality tracing of fruits, and has great promotion value.

The invention discloses a quality improvement method of freshwater fish, comprising the steps of: 1) carrying out treatment of three removing on the freshwater fish, and carrying out vacuum packaging after rinsing cleanly; 2) putting the vacuum-packaged freshwater fish into an ultrahigh-voltage container; and 3) pressurizing to 50-600MPa, maintaining the pressure for 5-30 minutes, then releasing the pressure to normal pressure, and taking out the freshwater fish. For the fish meat treated by the quality improvement method, the shelf life is prolonged, the sensory indexes such as flavor, color, taste and tissues and the like after cooking are superior to those of the fish meat without treatment, the chewiness and the elasticity are improved, and the content of amino nitrogen is increased. In the quality improvement technology of the freshwater fish meat, the quality of the freshwater fish can be obviously improved, and the quality improvement technology is applicable to freshwater fish such as oxtail fish, silver carp fish and the like.

The invention relates to the field of transporting carriers, and discloses a bolt containing box. The bolt containing box comprises an enterable box body (1); and the bolt containing box further comprises a bolt installation part (2) arranged inside the box body (1), the bolt installation part (2) is provided with a plurality of clamps (22), and bolts (9) can be detachably clamped to the clamps (22). By means of the above technical scheme, the bolts are detachably installed on the bolt instillation part in the bolt containing box, and therefore collision between the bolts and between the bolts and the box body can be prevented in the bolt transporting process, and the bolts are kept in perfect conditions.

The invention discloses a traditional Chinese medicine material containing device. The traditional Chinese medicine material containing device comprises a base. A fixing frame is arranged at the middle portion of the upper surface of the base through a bolt, and a thrust ball bearing is welded to the top end of the fixing frame. A gear ring is clamped and connected to the circumference outer wallof a rotation steel ring at the upper half part of the thrust ball bearing, and a counter bore is formed in the side, close to the fixing frame, of the upper surface of the base. A motor is fixed in the counter bore through a bolt. A driving gear is welded to the top end of an output shaft of the motor, and an air heater is fixed to one side of the base through a screw. A bottom plate is welded tothe top end of the thrust ball bearing, and a metal pipe is welded to the middle of the bottom plate. Exhaust holes distributed at equal intervals are formed in a rod body of the metal pipe, and an air guiding pipe is inserted and connected in a pipe body of the metal pipe. According to the traditional Chinese medicine material containing device, a user can conveniently and rapidly find a material taking box, expiring of bottom medicine materials due to long-term accumulation can be avoided, meanwhile, other kinds of medicine materials do not need to be touched, and integrity of other medicine materials is guaranteed.

The invention discloses a recyclable self-reminding wireless charging express packaging box and a receiving and dispatching system. The packaging box comprises a box body, a box lid is movably mountedon the box body, the upper part of the box body is provided with a lock hole, and a mechanical electronic lock is mounted at the bottom of the box lid; and the mechanical electronic lock comprises anaccommodating groove formed in the bottom of the box lid, and a lock core, a clamping strip, a sector, a return spring, a pressing spring, a rotating arm and a motor are arranged in the accommodatinggroove. According to the recyclable self-reminding wireless charging express packaging box, the paperless effect of the whole process of goods express is achieved, environmental pollution is reduced,and the efficiency of the receiving and dispatching processes is improved; and the specially designed mechanical electronic lock is adopted, the lock can accurately control opening and closing of theexpress box and has good stability, in the transporting process of goods, an electronic control device does not work, the lock becomes a pure mechanical structure, and the safety of transported goodscan be effectively ensured.

The invention relates to the technical field of dryer screen transportation, in particular to a guiding net belt for loading of dryer screens. The guiding net belt is characterized in that guiding meshes are detachably connected onto two adjacent screen bodies, a connecting piece is arranged between the two guiding meshes, and multiple through holes are formed in the two guiding meshes. The screen bodies are guided by the guiding meshes to reach the proper positions, not only is manpower saved, but also the flatness of the screen bodies and completeness of screen body connectors are guaranteed in the screen loading process, the use is convenient, the screen replacement time is saved, and the work efficiency is improved.

The invention relates to a front combined type snow removing device for a snow removing vehicle. The front combined type snow removing device consists of a snow pushing shovel arranged by a vertical lifting rack at the front end of a vehicle body, and a rolling brush; a bearing rack of the snow pushing shovel is hinged with a supporting rack on the vertical lifting rack through double connecting rods; a brush body of the rolling brush is hinged at the front end of a rolling brush supporting rack; and the back end of the rolling brush supporting rack is hinged with the lower part of a sliding rack of the vertical lifting rack. According to the front combined type snow removing device, not only can the snow pushing shovel is translated and lifted through the vertical lifting rack, but the snow pushing shovel is also moved through the double connecting rods hinged between the bearing rack and the bearing rack of the snow pushing shovel, so that the snow pushing shovel is further retracted, elevated or fallen down. The snow pushing shovel and the rolling brush can respectively independently work according to demands, and the snow pushing shovel and the rolling brush can work simultaneously. With the adoption of the front combined type snow removing device, the approach angle of the vehicle is increased, so that the security travel of a vehicle is beneficial; the parking space is reduced; and the front combined type snow removing device has good snow removing property and obstacle crossing property.

The invention provides a sucker-type transport box for logistics, which includes a box body and pulleys connected to the four corners of the bottom of the box body. There is a longitudinal through hole, and a suction cup assembly is installed in the through hole. The top of the suction cup assembly is a button, and the middle part includes a pressure spring and a telescopic rod. A groove is provided on the inner wall of the through hole at the position, and a suction cup is connected to the bottom of the telescopic rod. The beneficial effect of the present invention is that the suction cup assembly arranged on the side plate can effectively increase the adhesion between the box body and the support surface, reduce the shaking of the box body during transportation, and ensure that the internal items are intact.

The invention discloses a manufacturing method for a cable of high temperature superconducting material. The manufacturing method comprises the following steps of connection of a copper wire and a superconducting wire, first-stage cable stranding, second-stage cable stranding, third-stage cable stranding, third-stage cable compression and silver band lamination. The cable of the high temperature superconducting material is used for the research and the development of a fusion reactor large-scale superconducting conductor, and the cable stranding technology can ensure that the superconducting strands are intact so that the phenomena of fracturing and flattening of the superconducting wire material can be effectively prevented.

A detection probe for Prorocentrum micans Ehrenberg belongs to the nucleic acid detection field. It is used for S1 enzyme protection analysis and sandwich hybridization detection of the Prorocentrum micans Ehrenberg, and comprises three correlative oligonucleotide probes. Wherein a S1 enzyme protection analysis probe only serves as a complement of the nucleotides in the Prorocentrum micans Ehrenberg ribosome big subunit 430~520 regions, and shows no homology with other Prorocentrum micans Ehrenberg ribosome RNAs. The S1 enzyme protection analysis probe has a length of 58bp, and can be combined specifically onto the rRNAs of the Prorocentrum micans Ehrenberg under certain conditions, and the sequence is: 5'-ACCAGGCACATTCACCCACCCAGGGGTAGGCTACCATGTCCCTGGAGTTTTCCTCGAT. The invented probes have excellent applicability to make it convenient to seek and realize the specific probe. The invention has higher stability than that of the sandwich hybridization technology.

The invention relates to a manufacturing process for a circuit board with long and short gold fingers, which comprises the following steps: supplying a base plate; arranging a plurality of gold finger patterns on the surface of the base plate; arranging a gold-plated lead with tip structures on the surface of the base plate; correspondingly and electrically connecting the tip structures of the gold-plated lead with the gold finger patterns; performing gold-plating treatment on the gold finger patterns so as to form the gold fingers; and tearing off and removing the gold-plated lead, thereby separating the tip structures of the gold-plated lead from the gold fingers. According to the manufacturing process for the circuit board provided by the invention, the tip structures are arranged at the end parts of the gold-plated lead, so that the gold-plated lead and the gold fingers are electrically connected while an area of a physical connecting structure between the gold-plated lead and the gold fingers is greatly reduced. When a test is finished, an operator can easily remove the gold-plated lead in the manner of pulling and tearing by hand, and the gold-plated lead is prevented from being remained, so that the change in electric properties of the gold fingers caused by the remained gold-plated lead is avoided, the short circuit risk is eliminated and the reliability of products is increased.

The invention discloses a flange plate die convenient to eject. The flange plate die comprises a die frame, wherein a prefabricated groove is formed in the top of the die frame, a motor is fixedly arranged inside the die frame, the power output end of the motor penetrates through the prefabricated groove and is fixedly connected with a round tube, a square groove is formed in the top of the roundtube, a hydraulic air cylinder is fixedly arranged inside the square groove, the power output end of the hydraulic air cylinder is fixedly connected with an ejection cover, a plurality of round rods are fixedly arranged at the bottom of the ejection cover, a fixing plate is fixedly arranged on the inner wall of the square groove, a through hole is formed in the fixing plate, the power output end of the hydraulic air cylinder penetrates through the through hole, the top of the fixing plate is fixedly provided with a stretching spring, and the top of the stretching spring is fixedly connected with the bottom of the ejection cover. The flange plate die has the beneficial effects that the demolding is convenient, rapid and complete stripping from the die can be achieved, and moreover, the dieis ensured to be intact.

The invention discloses a method for growing polarity alternate GaN structure on N-polar GaN template, belong to the field of semiconductor process and devices. The N-polar GaN grown by MOCVD on sapphire substrate serves as a template, and a patterned photoresist is fabricated on the template as a mask layer by photolithographic process. An AlN selectively grows for polarity inversion on the mask layer with T-ALD method, wherein the T-ALD method can make the process temperature lower than the melting point of the mask layer to ensure that the mask layer is not deformed, and an AlN thin-film with good uniformity and precisely controllable thickness can be prepared. The stripping patterned AlN on the mask layer eliminates the etching step of the traditional patterning process and avoids the damage of the etching to the device structure. Finally, a GaN thick-film grows on the bare N-polar GaN template and the patterned AlN by HVPE method, and a polarity alternate GaN structure with a thickness of 1mm is expected to be obtained to meet the requirements of high-power component for the thick-film polarity alternate GaN.

The invention relates to the field of protective fences, and discloses a tool type safety protective fence structure. The tool type safety protective fence structure comprises a fence defining a circumferential closed structure, the fence comprises a plurality of fence units and stand columns, the fence units are detachably connected through the stand columns, oblique tensioning ropes are connected between opposite angles of a local reinforcing structure formed by the fence units and the stand columns, and the oblique tensioning ropes between the two opposite angles of the local reinforcing structure intersect with each other; and the fence is further provided with horizontal tensioning ropes, and the horizontal tensioning ropes are arranged in the circumferential direction of the fence toform a closed loop. According to the tool type safety protective fence structure, the inclined and horizontal flexible tensioning ropes are adopted for reinforcement, the reinforcing effect of a three-dimensional symmetrical geometrical shape is generated, and the mechanical strength and safety of a protective fence are improved while convenient disassembly and assembly are guaranteed; and colorsteel tiles are installed through a tile pressing device, the requirement that the whole use process of the color steel tiles is complete and lossless can be met, and the requirements of zero pollution and environmental protection of construction waste in a standard construction site are met.

The invention discloses a shearing mechanism. The shearing mechanism comprises a base, wherein four guide pillars distributed along the vertexes of a rectangle are arranged on the base; a top plate and a movable plate are arranged on the guide pillars; the movable plate is located between the base and the top plate; an air cylinder is arranged on the top plate and can drive the movable plate to move along the guide pillars; a shearing module is arranged between the base and the movable plate and comprises an upper cutter assembly and a lower cutter assembly; the upper cutter assembly is installed on the bottom surface of the movable plate; the lower cutter assembly is installed on the top surface of the base; positioning assemblies are arranged on two sides of the upper cutter assembly respectively. As the two cutter assemblies in left-right symmetry are arranged, the connecting part between two mobile phone screens can be cut simultaneously, operation is simple and rapid, and production efficiency is improved. The positioning assemblies are arranged to press the two shorn-off screens, thereby guaranteeing that the screens are good and free of damage, and improving the perfectness rate of products.

The invention discloses a cold chain box for transporting shrimp and rice symbiotic food materials. The cold chain box comprises a box body, the box body is hinged to a box cover through a hinge mechanism, moving wheels are hinged to one side of the bottom end of the box body, a handle is hinged to the top end of the inner side of a groove, a protruding frame is integrally formed and connected to the edge of the upper surface of the box body, a clamping groove matched with the protruding frame is formed in the edge of the inner surface of the box cover, a side supporting rod is hinged to the end, away from the box body, of the inner side of a first containing groove, a baffle mechanism is inserted into the inner side of an inserting groove, lock catches are hinged to the two sides, away from the box body, of the box cover, a rotary buckle mechanism is arranged on the upper portion of the inner side of a third containing groove, a clamping strip is integrally formed and connected to the lower portion of the inner side of the third containing groove, and the other ends of the lock catches are integrally formed and connected with a fourth containing groove clamped with the clamping strip. The structure is compact, the box body and the box cover are tightly combined, the sealing effect is good, the quality of transported shrimp and rice symbiotic food materials is guaranteed, a buffering structure is arranged, collision is prevented, and it is guaranteed that the food materials and the box body are intact.