124results about How to "Safe and efficient operation" patented technology

The invention relates to the technical field of automobile spare parts, and discloses an air inflation and tire repair integration machine. The air inflation and tire repair integration machine comprises an integration machine case, an air inflation device and a tire repair device, wherein the air inflation device and the tire repair device are installed inside the integration machine case. The air inflation and tire repair integration machine is characterized in that the air inflation device and the tire repair device are connected into a whole to form the integration machine case; the air inflation device comprises an air compressor (1), a pressure gage (2), an air inflation pipe insertion head (8) and an air inflation pipe (9); the tire repair device comprises a tire repair liquid bottle (3) and a tire repair liquid system (11); the air compressor (1) is installed on one side of the integration machine case, and the pressure gage (2) is arranged on the upper surface of the integration machine case; the tire repair liquid bottle (3) is a tank and is installed on one side of the integration machine case. The air inflation and tire repair integration machine is safe, efficient, convenient to carry and worth popularization, saves the energy and protects the environment.

The invention discloses an operation system for aggregate utility analysis of logistics information and configured equipment of the operation system. The operation system comprises a desktop client terminal device, a logistics information server, a central management device, a logistics node server and an advertising node server, wherein the logistics node server and the advertising node server effectively transmit information through a wireless network and the internet and the central management device conducts combination control. The operation system is characterized in that as the central management device, the logistics node server and the advertising node server are added in the system, the system is perfect and can operate under the combination control; and as an information utility analysis module is added in the logistics information server and an information utility analysis arithmetic module is added in the central management device, the completeness and the normativity of the essential elements of the logistics information can be ensured, besides, the operation system can conduct credit assessment, reflect the timeliness, the practicability, the correctness and the reliability of the information, help a user finding valuable logistics information as soon as possible and promote the transaction rate of system service as well as the safer and more efficient operation in logistics industries.

Provided are a packing box for a flat glass plate for a display and a packing method thereof. The packing box for a flat glass plate for a display has: a frame for placing the basic skeleton of the packing box for the flat glass plate for a display; The placement surface of the lower end of each of the above-mentioned flat glass plates for displays is at the rear end of the placement surface and is perpendicular to the placement surface, supporting the back surface of the back of the above-mentioned flat glass plates for displays; the flat glass plate fixing device is used to fix the above-mentioned placed A flat glass plate for a display; and an integrated packaging material, which is integrally fixed on the above-mentioned placement frame and can be freely opened and closed, and is used to freely open and close the open space of the above-mentioned placement frame exposing the above-mentioned flat glass plate for a display. A large number of flat glass plates for displays can be placed in an L-shaped frame, and the packaging material and the box are integrated to improve work efficiency.

A device for base sheet fasteners used in conjunction with nail gun. The nail gun includes main and security triggers that a user has to simultaneously activate while lifting and dropping the nail gun. A slidable spring loaded longitudinal member is pushed back in line with the housing of a receiving assembly causing a leg to activate the safety trigger. This allows a user to place a base sheet fastener onto a magnetic hammer while the hammer is in the retracted position and upon dropping the nail gun, the magnetic hammer automatically strikes the surface thereby nailing the base sheet fastener in a safe and efficient manner. The resulting device permits the continuous installation of base sheet fasteners on a surface. A substantially cylindrical assembly is provided with a longitudinal cutout with cooperative dimensions to receive the base sheet fasteners.

The invention discloses an offshore floating integrated facility platform driven by green energy, including a main body of a semi-submersible platform, a sustainable power supply system, an ocean observation system, an integrated test system, a connection system, an ocean communication and relay system, a freshwater system and an organic waste recycling and energy utilization system which are installed on the main body of the semi-submersible platform. The offshore floating integrated facility platform driven by green energy takes the large-scale semi-submersible wave energy power generation platform as a carrier to construct an offshore sustainable power supply system composed of wave energy + solar energy + energy storage + standby diesel generator set, is equipped with seabed, underwater, water surface and sky detection equipment and instruments, and is equipped with general and special equipment to form a complete observation equipment launch, operation, recovery support system, toensure the safety and efficiency of scientific research equipment in a variety of operating conditions; and the offshore floating integrated facility platform driven by green energy is integrated with natural gas hydrate, hydrology, meteorology and other research cabins to form an integrated ocean laboratory, and has open sea test conditions for long-term scientific research.

The invention discloses a system for preventing catalyst blockage. The system comprises a longitudinal flue (2) and a transverse flue (3), wherein a dust gauze A (1) is arranged in the longitudinal flue (2); only one end of the dust gauze A (1) is movably connected with the longitudinal flue (2); a slide fastener rapping device A (4) is connected above the dust gauze A (1), and is connected with the dust gauze A (1); a dust hopper A (5) is arranged below the dust gauze A (1); an ash hopper lever meter (20) is arranged in the dust hopper A (5); and the lower end of the dust hopper A (5) is connected with a discharging device A (6). According to the system, dust particles of which the particle diameters are over 4 centimeters can be prevented from entering a catalyst layer, dust particles on the dust gauze can be discharged automatically under the condition of no stop of a boiler, and the system can run safely, efficiently and continuously at low pressure loss.

The invention relates to a multifunctional wall-climbing robot capable of overcoming obstacles. Its technical characteristics are: it includes an intermediate platform, two car bodies and two limit joints. The joints are installed symmetrically on both sides of the middle platform, and the two limit joints are two-degree-of-freedom limit joints, which allow the two car bodies to have two rotational degrees of freedom relative to the middle platform. The invention has a reasonable design, not only has a good ability to overcome obstacles, but also has a strong load capacity, has good adaptability to changes in the shape and curvature of the wall surface, can be quickly disassembled, transported and installed, and its movement and turning are easy to control. It can meet the needs of movement and operation in complex environments.

The invention discloses an automatic guiding system and an automatic guiding method of a tower crane. The automatic guiding system comprises a control host, a spherical camera, a hard disk video recorder, a liquid crystal display, a height sensor and a range sensor, wherein the control host, the hard disk video recorder and the high-definition liquid crystal display are mounted in a cab of the tower crane; the spherical camera is mounted at the most front end of the tower crane; the height sensor is mounted at a balance arm winch of the tower crane; the range sensor is mounted at a suspension arm winch of the tower crane; the spherical camera, the height sensor and the range sensor are respectively connected with the control host; the control host and the spherical camera are connected with the hard disk video recorder, and the hard disk video recorder is connected with the liquid crystal display. According to the automatic guiding system and the automatic guiding method, the spherical camera mounted at the most front end of the suspension arm is utilized for guiding a tower crane driver to safely work according to frames photographed along the synchronous rotation of a lifting hook, and an accident caused when the tower crane driver cannot clearly see a working site is avoided.

The invention provides a disturbance rejection mechanical arm repeating motion planning method with saturation characteristics. The method comprises the following steps: 1) designing quadric form disturbance rejection mechanical arm repeating motion performance indexes with saturation characteristics, and generating a quadric form optimization analysis scheme; 2) converting the quadric form optimization analysis scheme in the step 1) into secondary planning; 3) dissolving the secondary planning in the step 2) by using a secondary planning dissolver; 4) conveying the dissolution results in thestep 3) to a slave computer controller, thereby driving a mechanical arm to move. The invention provides saturation designing of performance indexes of mechanical arm motion planning, and a too rapidjoint angle speed phenomenon caused by too large deviation can be remarkably inhibited. Potential risks of the mechanical arm in the motion process can be effectively avoided by preventing too large swinging speeds of the mechanical arm; in addition, the disturbance rejection performance of the mechanical arm is improved, and the improvement has positive significance and wide application in the field of engineering application.

The invention relates to a novel bridge type ship unloader operation method, and belongs to the technical field of port bridge type grab ship unloader operation. The technical scheme is characterizedin that the grabbing position of a grab (2) is determined according to the height of bulk cargos in a cabin (1), and the direction of the grab (2) is controlled by moving the position of a trolley (8); grabbing is started from the first layer of the first row, cargoes on the odd number rows are grabbed firstly, and then cargoes on the even number rows are grabbed; the even number rows become protruding rows manually firstly; the cargoes on the first layers and the second layers of the even number rows are grabbed, and after the cargoes on the even number rows are completely grabbed, the odd number rows form protruding rows; and operation is carried out according to the rule, and grabbing operation of the bulk cargos in the cabin (1) is completed. The novel bridge type ship unloader operation method has the beneficial effects that joining is compact, safety and high efficiency are achieved, the function of mechanical equipment can be achieved to the greatest extent, and the ship unloading efficiency is improved.

The invention relates to a full-automatic microbial nucleic acid extraction and detection device and an extraction and detection method. The device comprises a mechanical arm, a plurality of reagent tubes, a low-temperature plasma generation device, a magnetic needle probe, a heating rod and a liquid guide tube, the mechanical arm comprises a plurality of mechanical arms, and the mechanical arms are connected with ports of the reagent tubes, the low-temperature plasma generation device, the magnetic needle probe and the heating rod in a matched mode; wherein the low-temperature plasma generating device, the magnetic needle probe and the heating rod respectively extend into the reagent tubes in a matching way, the bottoms of the plurality of reagent tubes are respectively connected with the liquid guide tubes, the reagent tubes are movably connected with the liquid guide tubes, and switches are arranged at the joints, so that the reagent tubes are communicated or closed with the liquid guide tubes. The method can be used for extracting and analyzing the nucleic acid of microorganisms in gas, solid and liquid samples in various places, and the working efficiency is improved.

The invention discloses fuse carrying pliers, which comprise two hinged plier bodies. Two plier handles which face to each other are formed on the two plier bodies along one side of a hinged position and two plier noses which face to each other are formed on the other side of the hinged position. The fuse carrying pliers additionally comprise two arc-shaped baffles which penetrate through the plier handles, wherein the shapes of the sides of the two arc-shaped baffles are matched with each other. The cross sections of the two arc-shaped baffles are arc-shaped and are arranged on two adjacent circular-arc sections of the same circle. Two notches which face to each other are arranged on the internal side walls of the plier noses adjacent to end parts. The two notches form one cylindrical hole. The tool which is provided by the invention and is used for replacing a fuse conveniently has the advantages that the safety of working personnel can be protected, the arc-shaped baffles enable the working personnel to operate more safely, conveniently and efficiently, the fuse carrying pliers are more rapid to use, the jaw is improved according to the shape of the fuse, the fuse carrying pliers are more fit to the size of the fuse during operation, and the speed and the safety factor of the replacement of the fuse of a combined junction box are further improved.

The invention relates to a shot blasting room for metal plate machining. The shot blasting room comprises a blasting room body, a grid plate is arranged on the bottom in the blasting room body, a shotblasting mechanism is arranged above the grid plate, a separation and dust collection mechanism is arranged below the grid plate, the separation and dust collection mechanism comprises a separation assembly and a dust collection assembly, the separation assembly comprises a filter net, a vibrator and two guide plates, the dust collection assembly comprises a fan, an air supply pipe, a dust discharge pipe and a collection box, and the shot blasting mechanism comprises a loading assembly and an adjusting assembly. In the shot blasting room for metal plate machining, the height and the angle ofa nozzle can be adjusted, different workpieces are subjected to automatic comprehensive shot blasting treatment, work is safer and efficient, the shot blasting quality is better, dust is prone to being stacked, wind is adopted for conveying dust, cleaning is efficient and convenient, effective shots can be separated and recycled, the raw material waste is reduced, and production cost is reduced.

The invention relates to an automatic driving luggage trailer for airports. The automatic driving luggage trailer comprises a trailer head, wheels and at least one section of tray. A control module interacting with an upper system in the airport is arranged in the trailer head; a main laser radar used for monitoring the conditions around the trailer and a height detector used for limiting the height are arranged at the top of the trailer head; and each section of tray is provided with a weight detector. The control module can safely and efficiently control the automatic driving luggage trailer according to an instruction of the upper system; and during control, the main laser radar on the top of the trailer head can monitor the condition around the trailer body in real time and feed back a monitoring result to the upper system, so that normal driving is prevented from being influenced by obstacles in a safe range in the driving process of the vehicle. The height detector can monitor the placing height of the goods on the vehicle, and thus the danger that the goods are prone to toppling over in the driving process when placed too high is avoided. The weight detector can monitor the load of the tray to ensure that the load is within a safe range, so that safe and efficient driving of the vehicle is realized.

The invention discloses a batch drilling well wellhead design and assembling-disassembling method for a modular drilling machine. The wellhead design comprises the following design of supporting facilities: wellhead deck design, split bell mouth design, bell mouth fixing mode design, bell mouth fixed suspension design, grouting pipeline fixed design of bell mouths, reflux pipes and metering pumps, bell mouth variable diameter design, bell mouth variable diameter hoisting special tool design, telescopic inner and outer drum horn tube design, sealing design of special pressure plate sealing or gas inflatable pneumatic tires, lifting pipe hoisting special design, and special lifting pipe suspending channel design which are easy enough to operate. The batch drilling well wellhead design and matched wellhead assembling-disassembling method for the modular drilling machine provided by the invention can solve the problem of time consumption caused by frequently moving of a derrick in batch drilling operation of the modular drilling machine, reduce hoisting risks and risks of high falling objects caused by dissembling and throwing wellhead parts and optimize assembling and disassembling method of wellheads, and further are simple and convenient in design and simple in operation mode.

An embodiment of the invention provides a water level control method for a boiler steam drum and belongs to the technical field of boiler control. The method comprises the steps as follows: when the initial actual water level is not in the expected boiler steam drum water level range, the initial steam pressure and the initial steam temperature in a boiler are detected, the real-time steam quantity is calculated according to the initial steam pressure and the initial steam temperature, and a boiler adjusting valve is controlled for addition of the initial water injection quantity not smaller than the actual steam quantity; after the initial water injection quantity is added, a water level sensor is reused for detecting the subsequent actual water level of the boiler steam drum, the subsequent steam pressure and the subsequent steam temperature in the boiler are detected again, and the boiler steam drum water level theoretic value at the moment is calculated according to the subsequent steam pressure and the subsequent steam temperature; the deviation value of the subsequent actual water level relative to the boiler steam drum water level theoretic value is calculated, and the adjusting valve is controlled again on the basis of the deviation value to input the subsequent water injection quantity corresponding to the deviation value. Thus, the water level of the boiler steam drum is adjusted automatically.

The invention discloses a method for rapidly determining the content of hyaluronic acid in fermentation liquor. The method comprises the following steps: adsorbing and purifying fermentation liquor; diluting the adsorbed and purified supernatant and then carrying out enzymolysis; thoroughly performing enzymolysis on hyaluronic acid in fermentation liquor to obtain 4, 5-unsaturated disaccharide, detecting ultraviolet absorption values of the fermentation liquor before and after enzymolysis, substituting a difference value of the ultraviolet absorption values of the fermentation liquor before and after enzymolysis into a standard curve of the concentration of the 4, 5-unsaturated disaccharide and the ultraviolet absorption values, and calculating and obtaining the content of the hyaluronic acid in the fermentation liquor. The method is simple and convenient to operate and high in specificity, hyaluronic acid in the fermentation liquor does not need to be purified, the number of samples detected in batches is large, the method can be widely applied to detection of the content of hyaluronic acid in the field of hyaluronic acid fermentation, and a convenient and efficient tool is provided for optimization and process monitoring of a hyaluronic acid fermentation process.

The invention discloses molten forging steel used for manufacturing an eccentric shaft of a crusher and a smelting method for the molten forging steel. The molten forging steel used for manufacturing the eccentric shaft of the crusher comprises the following chemical components in percentage by weight: 0.40-0.47wt% of C, 0.25-0.35wt% of Si, 0.70-0.90wt% of Mn, 0.015-0.025wt% of Nb, 1.00-1.20wt% of Cr, 0.20-0.30wt% of Mo, less than or equal to 0.005wt% of S, less than or equal to 0.020wt% of P, less than or equal to 0.0008wt% of O, less than or equal to 0.0001wt% of H, and the balance of Fe and inevitable impurities. The preparation method comprises the following steps: pre-treating and deeply desulfurizing molten iron by a KR process, carrying out LD converter smelting, carrying out LF steel ladle furnace smelting, carrying out VD furnace vacuum refining, and the like. The molten steel provided by the invention has high cleanliness and low impurity content; and the eccentric shaft forging steel produced by the molten steel has high strength, good toughness and good wear and corrosion resistance, and is not liable to deform and crack for a long time in work, so that long-time safe and efficient operation of the crusher is ensured.

The invention discloses a method for measuring the position of a neutral axis of an engineering structure through modal strain. In a strain mode, the distribution of modal strain of the same cross section accords with a plane cross-section assumption, so the method can calculate the position of the neutral axis through measuring the modal strain of two different positions on the cross section. The method comprises five steps: dynamic strain response collection, strain modal analysis, modal strain extraction, neutral axis position coefficient extraction, and neutral axis height calculation. The method is clear in concept, is simple in flow, is suitable for traffic loading, environment excitation and artificial excitation, achieves the high-precision measurement of the position of the neutral axis of the engineering structure under the a non-static force, is high in market competiveness, and provides technological support for guaranteeing safe and effective operation of the engineering structure.

The invention discloses a tower crane operation virtual simulation monitoring system provided with head tracking functions. The tower crane operation virtual simulation monitoring system provided with head tracking functions is capable of increasing the probability of tower crane safety operation, changing a traditional monitoring method based on onsite monitoring by commanders and informing of operators by the commanders, and improving the efficiency and safety of tower crane operation process. The tower crane operation virtual simulation monitoring system comprises a tower crane operation virtual simulation software system, a head tracking interactive system, and an environment information acquisition system; the tower crane operation virtual simulation software system comprises an environment rendering module and a tower crane scene simulation module; the environment rendering module is connected with a display; the head tracking interactive system comprises an operator, a head posture change acquisition module, and a head posture detection module; detection results of the head posture detection module are sent to the environment rendering module; and the environment information acquisition system comprises a multisensor system, and an environment information acquisition server; the environment information acquisition server is connected with the tower crane scene simulation module; and the environment information acquisition system is used for transforming real dynamic change scene into virtual dynamic change scene.