75results about How to "Quick withdrawal" patented technology

This invention discloses one railway transport device super limit meter device and method, wherein, the meter device comprises the following parts: supportive system to provide stable supportive bench; measurement system to test, monitor and process data of object to be displayed, output, stored composed of laser radar, inclination sensor, angle sensor, step motor, rotation motor, work control machine, CCD cameral, servo system and cross rail ruler. The test method comprises steps of determining coordinate standard point; processing transmission data to determine super limit part and degree.

The invention discloses a machinery-driven foldable trestle bridge, which mainly comprises a base, a platform wagon, a walking mechanism, a portal support, a rotating mechanism, a winch, a hydraulic system, an electrical system and the like, wherein the hydraulic system and the electrical system form a trestle bridge control system. The bridge span is foldable, and can consist of two, three or four segments; a hydraulic turnover mechanism is arranged among the bridge segments; and when the bridge is used, the hydraulic turnover mechanism unfolds or folds the bridge span. The foldable machinery-driven trestle bridge has the advantages of small occupied area, low labor intensity, convenient operation, quick bridging and folding, and the like.

The invention discloses a high-efficiency environment-friendly nickel stripper and a preparation method thereof, which solve the problems of low stripping speed and high stripping temperature of a nickel layer and hostile operating environment. Based on 100 parts by weight, the high-efficiency environment-friendly nickel stripper comprises the following substances: 5.19 to 12.82 parts of ethanediamine, 5.19 to 12.82 parts of sodium metanitrobenzene sulfonate, 0.74 to 1.71 parts of citric acid, 1.48 to 2.56 parts of an organic amine additive and 70.09 to 87.40 parts of pure water. The invention also discloses the preparation method of the high-efficiency environment-friendly nickel stripper. According to the high-efficiency environment-friendly nickel stripper and the preparation method thereof, quick stripping of the nickel layer is promoted; in particular, after the organic amine additive is used, the stripping speed of the nickel layer is greatly increased, the stripping temperature is reduced, and a great deal of smoke generated during stripping is reduced.

The invention discloses a low-altitude search radar system. The low-altitude search radar system comprises antennas, an electronic cabin, a terminal display system, a driving mechanism, cables and a transmit-receive system installed in an antenna radio frequency cabin. The transmit-receive system comprises a receiver, a transmitter, a frequency synthesizer and a BIT detection system; the electronic cabin internally comprises a signal processing system, a power system and a servo control system, the antennas, the transmit-receive system and the driving mechanism are connected through machines, and the antenna radio frequency cabin and the driving mechanism, the electronic cabin and the driving mechanism as well as the electronic cabin and the terminal display system are connected through the cables. The radar system is small in size, low in power consumption, high in portability and flexible to arrange and has good detection performance for low-altitude and super-low-altitude objects, and the equipment is simple. The radar system can effectively search for and track the low-altitude and the super-low-altitude objects in an individual or multi-system networking mode and can be networked with photoelectric and wireless detection equipment to finish detection and early warning on the low-altitude and the super-low-altitude objects.

The invention discloses an anode stripping solution for a magnesium and magnesium alloy nickel-plating layer and a method for stripping a coating. The stripping solution consists of the following components in percentage by volume: 5 to 10 percent of HF, 2 to 10 percent of fluoride, 5 to 15 percent of complexing agent, 0.1 to 0.5 percent of sodium dodecyl sulfate, and the balance of water. The method comprises the following steps of: preparing the stripping solution for the magnesium and magnesium alloy nickel-plating layer; and stripping the magnesium and magnesium alloy nickel-plating layer. During stripping, a magnesium alloy workpiece with an unqualified coating is used as an anode, and a cathode is a nickel-plating stainless steel plate. The method for stripping the magnesium and magnesium alloy nickel-plating layer by using the anode stripping solution for the magnesium and magnesium alloy nickel-plating layer can trip off the nickel-plating layer by one step at high speed without corrosion on the surface of a matrix; and after stripping, the matrix can be directly subject to electroplating or chemical plating once again. The hydrofluoric acid used in the stripping solution has low concentration, so the pollution to the environment and harm to bodies of operators are reduced.

The invention relates to a device (1) for the transdermal stimulation of a nerve of the human body. Said device (1) comprises at least one stimulation electrode (2) and at least one reference electrode (3) for transdermal nerve stimulation. The at least one stimulation electrode (2) and the at least one reference electrode (3) are connected to a control unit (4) and can be impinged upon by an electric current with the aid of said control unit (4). The at least one stimulation electrode (2) and the at least one reference electrode (3) are disposed in or on a housing (5) that is configured so as to be mounted on or in the human ear. In order to render nerve stimulation efficient and more easily manageable for the patient, the housing (5) is provided with a bow-shaped extension (6) that is embodied so as to be inserted into the auditory canal. Said bow-shaped extension (6) is modeled after the shape of the opening into the auditory canal or the external auditory canal while an electrode head (7) which is provided with two contact points (8, 9) for the two electrodes (2, 3) is arranged at the end of the bow-shaped extension (6).

The invention provides a movable article disinfecting and recycling system and method, and a readable storage medium. The system comprises a disinfecting and recycling control device; a movable working cabin, which is used for forming a closed disinfection operation space according to the control of the disinfecting and recycling control device; intelligent disinfecting equipment, which is used for spraying a disinfectant to an operation target in the movable working cabin according to the control of the disinfecting and recycling control device; preparation recycling equipment, which is used for carrying out recovery and harmless treatment on the disinfectant in the disinfection operation space according to the control of the disinfecting and recovery control device; and disinfecting and detecting equipment, which is used for detecting the concentration of the disinfectant in the movable working cabin according to the control of the disinfecting and recycling control device, and feeding back a concentration detection result to the disinfecting and recycling control device, so that the disinfecting and recycling control device sends out a corresponding control instruction according to the concentration detection result.

The invention discloses an emergency tent for power safety. The emergency tent comprises a tent frame and tent cloth. The tent frame comprises a ground pole, an upright and a top beam; the ground pole surrounded into a rectangle is provided with a bottom column cross joint connected with the upright; an edge cross joint is arranged on the middle part of the lambdoidal top beam; an end wall cornice tee joint is arranged on the end part of the lambdoidal top beam; one end of the upright is inserted into the bottom column cross joint of the ground pole, and the other end of the upright is inserted into the edge cross joint or the end wall cornice tee joint of the top beam; a pull rope is arranged on the tent cloth; and the other end of the pull rope is connected with a hook pile anchored on the ground. The invention is fast to erect and collect, convenient to use mechanically in emergency, light and flexible and has simple structure and high safety coefficient, thus being especially suitable for the outside personnel of a power company for outdoor power maintenance and aid repair to accommodate.

The invention discloses an automatic straw cutting robot for agricultural harvesting. The robot comprises a bottom plate; four universal wheels are uniformly fixed on the lower surface of the bottom plate; a cylindrical crushing barrel is fixed on the right side of the upper surface of the bottom plate through a fixing bracket; a rotating shaft is arranged inside the crushing barrel; the axis of the rotating shaft coincides with the axis of the crushing barrel; a crushing device is mounted on a side surface of the rotating shaft; a power shaft at the front end of the rotating shaft penetratesthrough the crushing barrel and is coaxially fixed with a second gear; a first synchronous wheel is coaxially fixed on the front side face of the second gear; a driving shaft drives a conveyor belt torotate clockwise; a user places straw on the conveyor belt, and the straw is driven by the conveyor belt to move rightwards and is not required to be manually pushed by the user, thereby improving the safety of the automatic straw cutting robot for agricultural harvesting; and stones in the straw fall into a material filling box through gravel holes, thereby preventing the stones from remaining in the crushing barrel and damaging a cutting knife, and prolonging the service life of the cutting knife.

The invention discloses a negative-pressure rapid butting device for sample feeding of a micro-fluidic chip. The device comprises a driving element and a driven element. The driving element is capable of reciprocating in the vertical direction. The upper end of the driven element is connected with a pipe filled with negative pressure, and the lower end of the driven element is connected with an elastic sealing element. The driven element is connected to the driving element and driven by the driving element to move downwards to squeeze an air hole of the micro-fluidic chip for negative-pressure butting, and the driven element is withdrawn after negative-pressure butting is achieved. The driven element and the sealing element are each of a hollow structure, and the hollow structure of the sealing element is flush with the air hole during squeezing. The negative-pressure rapid butting device has the advantages of a high sealing property while achieving rapid butting and withdrawal of negative-pressure butting of the micro-fluidic chip..

The invention discloses a container unit combined automatic storage method, and belongs to the technical field of device wall structure. According to the method, a warehouse-in information identification unit, a storage area storage unit and a warehouse-out conveying unit are included, the warehouse-in information identification unit uses a conveyer to convey a material to a bar code identifier, the bar code identifier identifies material information, and the storage area storage unit and warehouse-out conveying unit are realized via an intelligent storage system. Via a code scanning identification system and the intelligent storage system, material warehouse-in and warehouse-out are realized in a container unit, mobile storage is realized, the material storage capacity can be expanded according to the number of combined units, and storage is combined and flexible.

The invention belongs to the technical field of elevator maintenance and particularly relates to a safety warning device used for elevator maintenance. Specific to the problems that when an elevator is maintained nowadays, a warning board needs to be placed at an elevator gate on each floor, and time and labor are wasted, the following scheme is put forwards. According to the scheme, the safety warning device comprises door frame concrete and a door pocket connected to the door frame concrete in a sleeving manner. An installation groove is formed in the right side of the door frame concrete, and a coiling block is connected in the installation groove in a clamping manner. A rotating shaft is rotationally connected in the coiling block. A cloth bag roll is connected to the position, close to the bottom end, of the outer wall of the circumference of the rotating shaft in a sleeving manner, and a warning belt is wound around the outer wall of the circumference of the cloth bag roll. A cloth clamping bar is fixed to the end, away from the cloth bag roll, of the warning belt, and a connecting pillar is fixed to the side, away from the warning belt, of the cloth clamping bar. By means ofthe safety warning device used for elevator maintenance, after the warning belt is dragged out, a clamping bar can be plugged into the bar-shaped hole incidentally, afterwards, rotation is conductedby 90 degrees, then the end portion of the warning belt can be fixed, and therefore the warning belt stretches across the part between the two inner walls of the door pocket to achieve a blocking effect.

A scanning microscope having a light source that emits an illuminating light beam, for illumination of a sample. The illuminating light beam extends along an illumination beam path and can be guided over and / or through the sample using a beam deflection device. A mirror which can be introduced in guided fashion into the illumination beam path directs a manipulating light beam via the beam deflection device onto the sample.

The invention provides a movable intelligent lifting radar tower and a mounting method thereof. The movable intelligent lifting radar tower is transversely loaded to a transport vehicle and comprisesa tower body base, a tower body, a tower body rotating device, a jacking device and a working platform, wherein the tower body base is fixed at the bottom of the tower body and used for supporting thetower body to be separated from the transport vehicle; the tower body comprises a plurality of standard tower body sections which are all retracted in a tail standard tower body section, and a jacking fulcrum is arranged on the standard tower body sections; the tower body rotating device is used for rotating the tower body to a vertical state perpendicular to the ground from a horizontal state; the jacking device is used for jacking the standard tower body sections; the working platform is used for providing a site for construction. The tower body is convenient and safe to erect and collect and stable and reliable in repeated erection and long-term working performance, the antenna tower has sufficient rigidity and strength and anti-overturning capacity, and all-weather continuous safe work of a radar system can be guaranteed.

The invention discloses a rapid disassembling and assembling structure for unmanned aerial vehicle vertical flat tail connection. The rapid disassembling and assembling structure for unmanned aerial vehicle vertical flat tail connection consists of a front connection rapid disassembling pin, a back connection rapid disassembling pin, a vertical tail front connection base, a vertical tail back connection base, a flat tail front connection base and a flat tail back connection base; the vertical tail front connection base and the vertical tail back connection base are fixedly connected with vertical tail assemblies correspondingly; and the vertical tail assemblies at the two ends are provided with the vertical tail front connection base and the vertical tail back connection base correspondingly. The flat tail front connection base and the flat tail back connection base are fixedly connected with a flat tail assembly respectively. The flat tail assembly is provided with two front connection bases and two back connection bases which are positioned at the two ends of the flat tail assembly correspondingly. When an unmanned aerial vehicle is unfolded, the flat tail assembly is placed between the vertical tails at the two ends, pin holes of the flat tail front connection base and the flat tail back connection base on the two end faces cooperate with pin holes of the vertical tail frontconnection base and the vertical tail back connection base of the vertical tail assemblies through movement of the flat tail assembly, the front connection rapid disassembling pin and the back connection rapid disassembling pin are inserted, and the mounting of the flat tail assembly is realized. When the unmanned aerial vehicle is retracted, the front connection rapid disassembling pin and the back connection rapid disassembling pin at the two ends are unplugged separately, and the separation of the flat tail assembly and the vertical tail assemblies is realized. The rapid disassembling andassembling structure is simple to maintain and convenient to operate.

Provided is a process for local electroplating of internal threads of a nut. The workpiece nut is completely electroplated, and then protection, abrasive blasting, shot blasting, disassembly and aftertreatment are carried out. The process comprises the steps of pretreatment of the workpiece nut, electroplating, tool protection of the internal threads, abrasive blasting for removing plating layers on the outer surface, shot blasting for improving the surface smoothness of the part, disassembly, and aftertreatment. A protection tool is made of a nylon material and is in close fit through threads, and the two ends for tool protection are tightened in the protection process so that the protection tool can be prevented from falling and damaging plating layers of the internal threads in the abrasive blasting and shot blasting processes; the batches of plating layers can be rapidly removed through abrasive blasting, and the glossiness of the surface of the part can be improved and the roughness of the surface of the part can be reduced through shot blasting. The process is easy and convenient to implement, high in efficiency, free of plating missing, discoloration, corrosion and plating layer unevenness, low in cost, small in pollution, capable of achieving the qualified rate higher than 99% and high in universality, and can be applied to local electroplating of internal thread or external thread fasteners.

The invention discloses a coating stripping cleaning agent which is prepared from the following raw materials in parts by weight: 65-75 parts of hexamethylenetetramine, 3-5 parts of nitric acid, 14-16 parts of hydrochloric acid, 3-6 parts of polyvinyl alcohol, 8-10 parts of sodium sulfate, 12-14 parts of calcium chloride, 6-8 parts of phosphoric acid and 20-24 parts of water; in addition, the invention provides a preparation method of the coating stripping cleaning agent. The coating stripping cleaning agent and the preparation method thereof provided by the invention can be used for rapidly and thoroughly stripping a coating on the surface of an object and also carrying out zero-damage polishing on the surface of the object so as to lay a favorable foundation for coating again.

The invention relates to a modular quick combination diving flight deck for ferry take-off and landing of and supply for fighters. The deck consists of a fighting part module A1, a command and control module A5 and three supply cabin modules A2 / A3 / A4. The modules are formed by adding Y-shaped decks on submarines; quick docking devices are arranged between the modules, so that staged submerging and quick combination can be achieved, and a flight runway with the length of 600 M and the width of 20 M and a command and supply platform are formed for realizing midway take-off and landing of and supply for the fighters.

A socket for allowing a threaded light bulb or a bayonet light bulb to be quickly and effectively inserted into and removed from the socket by axial force, avoiding the need for it to threaded by rotational forces within the socket to achieve connectivity. The socket includes a bulb interface including a plurality of flanges for cooperating with a bulb having a threaded base and / or a bayonet base.

The invention discloses a vehicle-mounted foldable hydraulic suspension arm device. The vehicle-mounted foldable hydraulic suspension arm device comprises a scissors fork foldable suspension arm and a hydraulic oil cylinder for driving the scissors fork foldable suspension arm to extend and retract, wherein the scissors fork foldable suspension arm is a diamond-shaped string telescopic frame formed by hinging a plurality of pairs of crossed hinged connecting rods in sequence; in a pair of crossed hinged connecting rods on the tail of the telescopic frame, a first mounting base movably connected with the connecting rods is arranged at the lower end of one connecting rod, and the lower end of the other connecting rod is arranged in a limiting guide groove of a suspension arm guide device; the front end of a piston rod of the hydraulic oil cylinder is directly or indirectly connected with the pair of connecting rods on the tail of the telescopic frame. By adopting the vehicle-mounted foldable hydraulic suspension arm device, the defect of influence on road traffic caused by a conveying pipeline during conveying of liquid goods through a vehicle in the prior art is overcome, and influence on the pass of other vehicles is lowered by hanging the conveying pipeline; the vehicle-mounted foldable hydraulic suspension arm device has the advantages of maneuverability, rapidness in unfolding and folding, and working stability.

The drug addiction eliminating medicine is prepared with bock greenbrier rhizome 80-150 weight portions, Japanese ampelopsis 60-180 weight portions, hernandialeaf stephania root 70-160 weight portions, Omei mountain kudzuvine 100-200 weight portions, and zedoary 70-150 weight portions. It has the functions of decomposing toxic matters, removing blood stasis, promoting qi circulation, removing qi sagnation, neutralizing toxin, etc. It has no new dependence, obvious curative effect, no toxic side effect and high safety.

The invention discloses a quickly withdrawn tent, which comprises a tent frame and a piece of tent cloth, wherein the tent frame comprises a top upright rod, a surrounding upright rod, a top cross rod and an eave cross rod; the top upright rod is connected with the eave cross rod through plate punch forming; the top cross rod and the eave cross rod are provided with spring hooks; and the top cross rod and the eave cross rod at two ends are connected through the spring hooks. The surrounding upright rod is provided with a ground pin connecting plate made of a steel plate. Quick locking spanners for locking and loosening the spring hooks are arranged at the spring hooks. The quickly withdrawn tent has the advantages of small volume, light weight, convenient packing and transportation, quick expansion and withdrawal, use of a large amount of metal plate stamping parts, simple machining and low cost.

The invention discloses a high-maneuverability anti-overturning vehicle-mounted platform system which comprises a vehicle-mounted platform, four main legs fixedly arranged on the left side and the right side of the vehicle-mounted platform and four movable supporting legs arranged on the front side and the rear side of the vehicle-mounted platform, and the four main legs are used for keeping the vehicle-mounted platform in a horizontal state through a four-point automatic leveling algorithm. The four movable supporting legs are used for expanding the supporting range of the vehicle-mounted platform, each movable supporting leg comprises a supporting arm hinged to the vehicle-mounted platform, an auxiliary leg fixedly arranged at the tail end of the supporting arm and a self-locking oil cylinder for driving the supporting arm to be unfolded and locking the position of the supporting arm at the unfolding position, and the four auxiliary legs are used for anti-overturning supporting of the vehicle-mounted platform. When the vehicle-mounted platform system is erected, the supporting arms are unfolded at the same time when the main legs are leveled, the erecting time is saved, quick erecting and retracting are achieved, meanwhile, the anti-overturning capacity of the vehicle-mounted platform is improved, and the vehicle-mounted platform system is particularly suitable for erecting alarge planar array antenna with the height larger than 18 m.

A special military staple food catering truck for defense-related science and technology research by teenagers comprises a truck base platform, a truck chassis, foldable left and right truck boards, a truck roof, a secondary driver chamber, a primary driver chamber, left and right main wheels, left and right front wheels, left and right middle wheels, left and right rear wheels, a right water supply tank chamber, left and right passages, a fuel gas supply tank chamber, left and right oil and rice subsidiary foodstuff storage chamber, a left water supply tank chamber, left and right No.1 kitchen, left and right No.2 kitchens, left and right No.3 kitchens, left and right No.4 kitchens, left and right No.4 kitchens, left and right No. 5 kitchens, left and right No.6 kitchens, left and right No.7 kitchens, left and right No.8 kitchens, left and right No.9 kitchens, a vegetable storage chamber, a flue gas exhaust pipe, left and right rectangular chopping board, left and right rings, left and right conversion wheels and left and right hooks. The special military staple food catering truck can supply food for all commanders and fighters of a whole regiment of a field troop once, can meet requirements of the army in peaceful and war periods, the protection performance reaches the international advanced level, and the special military staple food catering truck has good performance.

An assembling structure for a rod to be fixed or detached with a stand is provided, which includes an upper clamp element, a lower clamp element, and a bushing. The upper clamp element and the lower clamp element include an upper clamping space and a lower clamping space respectively. The shapes thereof correspond to the rod to tightly clamp the rod onto the stand. The lower clamp element includes a positioning structure that holds up the stand. The bushing is located between the upper clamp element and the stand body, so that the rod can be quickly pulled out from the upper and lower clamping space with less friction after the upper clamp element and the lower clamp element are loosened. When re-inserted, the rod is positioned through being held up by the positioning structure to meet the usage needs of fast withdrawal or positioning the rod.

The invention relates to a rapid folding and unfolding device of an antenna bracket. End parts of four connector pipes of a triangular bracket are engaged and equipped with thread connectors with external threads; the upper end of the vertical and upward connector pipe is coaxially connected with the lower end of one vertical fixing rod through a thread connector; the upper end of the fixing rod is fixedly equipped with an inward concave connector; an outward convex connector is matched and embedded on the upper part of the inward concave connector; a foldable rod is fixedly mounted at the upper end of the outward convex connector; a hand pulling ring is mounted at the upper end of the foldable rod; the hand pulling ring is connected with one end of a rubber band; the other end of the rubber band sequentially penetrates through the foldable rod and the fixing rod to be connected into the triangular bracket; and another three connector pipes of the triangular bracket are also equipped with foldable rods with the same length through thread connectors in an embedding manner and the foldable rods are used as supporting legs. According to the rapid folding and unfolding device of the antenna bracket, an antenna can be rapidly erected and folded and the maneuvering characteristics are greatly improved; and guarantees are provided for good working states of the antenna.

The invention discloses a frame of a semi-folding tent. The frame of the semi-folding tent is small in storage volume, capable of being quickly disassembled and assembled, low in weight, capable of being rapidly retracted and unfolded, and suitable for large-scale encampment building, has the characteristics of box assembly and modularization, is convenient to store and transport, and flexible andreliable to use, and adopts high-strength aviation aluminum alloys as structural materials. The tent meets box assembly and modularization requirements, and can be conveniently subjected to large-scale building, storage and transportation. The frame of the semi-folding tent is especially used for the building of military encampments and medical encampments, triage of the sick and wounded, and field accommodation and work related to medical functional departments, kitchens, restaurants, staff lounges, etc. The invention further provides the tent adopting the frame of the semi-folding tent. Theinvention also provides the frame of the combined semi-folding tent of the frame using the semi-folding tent. The invention further provides the combined tent adopting the frame of the combined semi-folding tent.

The invention relates to a duct type multi-rotor tethered drone and a control system thereof, belongs to the field of drones, and aims to solve the problems that existing drones are short in flight duration and prone to crash due to the fact that the rotors of the drones are exposed. The duct type multi-rotor tethered drone is characterized in that the an inner central pipe is connected with an outer duct pipe through a group of guide vanes, a group of carbon fiber pipes is fixedly mounted on the outer wall of the lateral side of a block formed by central plates, the middle section of each carbon fiber pipe is fixed with the wall of the duct pipe, and an auxiliary rotor is mounted at the tail end of each carbon fiber pipe through an auxiliary motor; a hardware control system is mounted onthe upper surface of the central plate block, a main motor is coaxially mounted on the lower surface of the central plate block, the main motor drives a main rotor, and a power supply system is arranged beside the main motor; the hardware control system is connected with the main motor, a group of auxiliary motors, the power supply system, a video collecting unit and an automatic pilot, and a tether is connected with the hardware control system, the main motor, the group of auxiliary motors and the video collecting unit through the power supply system. The duct type multi-rotor tethered dronecan constantly work around the clock.

The invention relates to a novel liquid filling device. The novel liquid filling device comprises a liquid storage container and an extrusion container internally provided with a piston, the piston divides an inner cavity of the extrusion container into a liquid injection cavity and an extrusion cavity, the liquid injection cavity is used for communicating with the liquid storage container, the extrusion cavity is used for allowing an extrusion power medium to enter to exert pressure on the piston so as to extrude a liquid within the liquid injection cavity, the piston is assembled in the extrusion container in a sliding sealing mode, a liquid injection pipeline is connected to the liquid injection cavity, and a liquid injection vacuumizing pipeline is used for vacuumizing the liquid injection pipeline, the liquid injection cavity and a cavity to be injected with the liquid. The novel liquid filling device is provided with the extrusion container, the liquid can be injected into the extrusion container through the liquid storage container, the piston is arranged in the extrusion container, the piston is pressed to extrude the liquid injection cavity, so that the condition that airis dissolved in the liquid due to the air directly extrudes the liquid is avoided, and the technical problem that during filling of an existing liquid filling device, air is prone to mix, and much mixed air is caused is solved.