60results about How to "Meet the requirements of the working environment" patented technology

The invention relates to a bag collating and clamping linkage mechanism for three-dimensional packaging bags. The bag collating and clamping linkage mechanism comprises a framework. A cylinder is arranged on the upper portion of the framework, perpendicular linear guide rails are respectively arranged on two sides of the framework, and two driving rods are respectively slidably connected onto the two perpendicular linear guide rails, are in drive connection with a bag clamping mechanism arranged on the framework and are connected with each other by a transverse rod; a lifting frame with a single shifting fork is arranged in the middle of the front of the framework, a lifting frame with double shifting forks is arranged in the middle of the rear of the framework, the lower portion of the lifting frame with the single shifting fork and the lower portion of the lifting frame with the double shifting forks are connected with the upper portion of the transverse rod in an abutted manner, the upper portion of the lifting frame with the single shifting fork and the upper portion of the lifting frame with the double shifting forks are respectively connected with compression springs arranged at the front and the rear of the framework, and the lifting frame with the single shifting fork and the lifting frame with the double shifting forks are jointly in drive connection with a bag collating mechanism arranged on the framework. The bag collating and clamping linkage mechanism has the advantages that power can be saved, a mechanism linkage effect can be realized, the bag collating and clamping linkage mechanism is compact in structure, the packaging speed can be greatly increased, and the production efficiency can be improved.

The invention relates to a pico-satellite computer system based on a quad-core microprocessor of an android mobile phone, which aims at solving the technical problem of poor information processing capacity of the existing pico-satellite computer system. The pico-satellite computer system adopts the technical scheme that the system comprises a computer processing module, a storage module, a power source management module, a bus scheduling module and a circuit protection circuit, wherein the computer processing module is used for controlling running attitudes, arbitrating states, and sending control commands, and can realize communication with an attitude control system, a communication system, a satellite-borne power source system, the storage module, a function debugging module and a power source protection module through the bus scheduling module. The commercial quad-core microprocessor has the advantages that the power consumption is low, the data processing speed is high, the on-chip available resources are rich, the property is optimum, and the operation temperature meets the requirement of working environment of pico-satellites, so the cost of spacecrafts is reduced, the development and manufacturing period is shortened, and the requirements of small size, low power consumption, high reliability and high data processing speed of the satellite-mounted computer system by the pico-satellites are met.

A glass operating room comprises a facade formed by assembling four walls. A ceiling integrally connected with the walls is mounted above the walls. Painted glass wall panels are spread on the outer surfaces of the walls. Painted glass top panels are spread on the outer surface of the ceiling. Seamless rubber or PVC (polyvinyl chloride) floor slabs are spread on the ground. By providing the glass operating room, the problem that an existing operating room is inconvenient to wash and poor in assembly tightness can be solved; the glass operating room is fireproof, attractive, scrub resistant, disinfection resistant, simple to construct, environment-friendly and energy-efficient and meets the requirements of operating room work environments.

The pre-assembled converting station includes high-voltage chamber, low-voltage chamber and transformer chamber, the described high-voltage chamber and low-voltage chamber are placed over the transformer chamber, the upper portion of said transformker chamber is equipped with a ventilating radiation window exposed to the weather, and when it is used, the half of the transformer chamber is embedded under the ground, the ventilating radiation window is positioned on the ground surface so as to implement natural ventilation and radiation of transformer.

The invention discloses a preparation technology of silicon carbide-based castable. The preparation technology comprises the steps such as raw material preparation, mould pouring, drying and heating curing treatment. By combining silica sol with silicon carbide castable, the erosion of melts on the furnace bottom and hearth and the temperature change can be adapted to relatively well, and the harsh requirements on the working environment during in-furnace service are effectively met; and the material has relatively good thermal conductivity, the temperature around and inside the material can be guided out in time through a furnace shell cooling wall, thus the ambient temperature around the material is effectively reduced, and relatively stable melts and even a molten iron layer are formed in a molten iron leakage channel formed by burn-through of the furnace bottom.

The invention discloses a vertical shaft crusher with spirally arranged crushing space anvils. The vertical shaft crusher comprises a crushing space (1) of the vertical shaft crusher, wherein the anvils (2) are provided and spirally arranged in the crushing space (1); anvil inlets (3) are arranged at a spiral line entry point on top of the crushing space (1); and anvil propping outlets (4) are arranged at the spiral line entry point at the bottom of the crushing space (1). According to the vertical shaft crusher disclosed by the invention, the anvils mounted on the internal wall of the crushing space are spirally arranged; and anvil inlets and the anvil propping outlets are arranged on the crushing space, and thus when the worn anvils in the crushing space are to be replaced due to wear, anvils can be fed from the anvil inlets; the anvils in the crushing space are driven to spirally move by an anvil propping inlet device so as to replace the anvils; and the anvils can be replaced without stopping the machine and opening the top cover. Compared with existing replacing processes, the process disclosed by the invention is simpler, saves force and time, and improves the production efficiency.

The invention discloses a corrugated-plate-indirect-and-hydrodynamic-force-water-spraying-chamber combined type evaporative cooling air conditioning unit. The air conditioning unit comprises a unit shell. An air inlet and an air outlet are formed in the two opposite side walls of the unit shell respectively. A fresh-air-and-returning-air mixing-filtering chamber, a corrugated-plate indirect evaporative cooler, a flow equalizing plate, a hydrodynamic force water spraying device, a water stop plate a and an air feeder are sequentially arranged in the unit shell in the flowing direction of entering air. An air returning opening is formed in the portion, corresponding to the fresh-air-and-returning-air mixing-filtering chamber, of the top wall of the unit shell. A secondary air exhausting opening is formed in the portion, corresponding to the portion above the corrugated-plate indirect evaporative cooler, of the top wall of the unit shell. According to the corrugated-plate-indirect-and-hydrodynamic-force-water-spraying-chamber combined type evaporative cooling air conditioning unit, a self-cleaning winding type filter is adopted, dust and cotton fibers in returning air can be effectively filtered out accordingly, and therefore the returning air can be effectively used; and indirect evaporative cooling and hydrodynamic-force water spraying cooling are combined, and therefore the temperature in workshops of a textile mill can be effectively reduced.

The invention discloses an electrode capable of reversing polarity, and application thereof. The electrode comprises a substrate, a middle layer and a catalyst layer, wherein the substrate comprises metal or alloy thereof; the middle layer is arranged on the substrate and comprises platinum group metal and platinum group metal oxide; and the catalyst layer is disposed on the middle layer, and the catalyst layer includes a mixed metal oxide. The electrode can be used as an electrode for electrolysis, electrodialysis or electroplating. The electrode can meet the working environment requirements of the cathode and the anode at the same time, the environmental tolerance is improved, and the protection of the substrate is realized; and polarity reversal can be carried out, and sediments on the surface of the electrode can be quickly and efficiently cleaned.

The invention provides a smoke-fire actuating cylinder for a nuclear power safety valve and a laser welding method thereof. The input end of a shell is provided with at least one joint for installing an igniter; the bottom part of the joint is a countersunk laser welding plane with a central through hole; an input cover piece is welded at one side of the input end of the countersunk laser welding plane; the igniter is arranged at the outer side of the input cover piece; the inner part of the shell is a cylindrical cavity with an opening at one end; a high-temperature-resistant propelling agent is filled in the cavity; a laser welding plane being 1mm in depth is processed at the output end of the cavity; and an output cover piece is welded on the laser welding plane. The smoke-fire actuating cylinder provided by the invention is applicable to being used for a nuclear power unit, can resist the environment with long-time high temperature, high humidity and irradiation and can be used as a power source of the nuclear power safety device. The smoke-fire actuating cylinder provided by the invention has the advantages of simple process, safe operation, good sealing property and environmental adaptability and the like.

The invention relates to a device for measuring distance between a conducting wire and a ground wire of a power transmission line, and belongs to the technical field of transmission line conducting wire and ground wire length measurement. The device comprises a pressing component, a rolling component and a counting component, wherein the pressing component comprises a pressing roller, a pressing roller bracket, a connecting hinge and a handle, the rolling component comprises a roller, a roller bracket and a box body, and the counting component comprises a counting roller, a counting sensor, acounting roller bracket and a counting display device. According to the invention, the measuring device is easy to operate, universal, flexible, convenient to carry, suitable for measuring the lengthof conducting wires and ground wires with various sections and capable of meeting the requirement for the high-altitude operation environment; and the device is an effective and practical novel guideand ground wire length measuring tool, effectively solves the problem that no special distance measuring tool exists when the damper is installed and reset and the installation position of the spaceris determined, and greatly improves the working efficiency and safety guarantee of power transmission line operation and maintenance personnel.

A high-speed airflow through type air-cooled heat dissipation airborne antenna disclosed by the invention is resistant to a severe environment and high in heat dissipation efficiency. According to the technical scheme, a fairing and a radome define a closed space for protecting an antenna body, and the fairing is in smooth transition connection with the radome through an outer wall ring of a carrier plate; an air inlet area is designed at the front end of the carrier plate along the heading direction, and the antenna body is embedded in the rectangular concave cavity of the carrier plate through a middle rectangular concave cavity and a rear end air exhaust area and is buckled on the upper surface of the concave cavity of the carrier plate to form a heat dissipation functional area; and an antenna body is embedded into the concave cavity of the carrier plate and is provided with strip-shaped heat dissipation teeth along the course, heat generated by the antenna is conducted to the heat dissipation teeth of the antenna, the heat is taken away by blowing airflow generated in the high-altitude flight process of an aerial carrier, and high-speed cold air entering from air inlets in the left side and the right side of the inclined front end of the course converges at the rear end of the air inlet area, flows through the heat dissipation air channel and is discharged from the air outlet, and the air directly blows the surfaces of the heat dissipation teeth to discharge the heat dissipated by the antenna to the atmosphere.

The invention discloses an explosion-proof automobile battery safety management method and system. The method comprises the steps that a BMS management system is in communication connection with a charger according to whether the charger receives a handshake protocol or not; the charger performs self-inspection to obtain a detection result and sends the detection result to a data monitoring platform; the BMS management system collects charging and discharging parameters; the BMS management system presets a charging and discharging parameter threshold value and compares the charging and discharging parameter threshold value with the charging and discharging parameter to obtain a charging and discharging comparison result and send the charging and discharging comparison result to the data monitoring platform; the data monitoring platform judges whether to send the detection result and the charging and discharging comparison result to the vehicle control unit or not; and the vehicle control unit controls the BMS management system and the battery to perform corresponding operation according to the detection result and the charging and discharging comparison result. If the charger performs self-inspection, the BMS management system detects whether the charging and discharging parameters exceed the preset charging and discharging parameter threshold, the data monitoring platform sends the result to the vehicle control unit, and the vehicle control unit performs corresponding operation according to the detection result and the charging and discharging comparison result, so that the safety of the battery is improved.

The invention belongs to the technical field of chemical engineering and particularly relates to an extremely high temperature resistant and adjustable pneumatic loop sealing valve device. According to the extremely high temperature resistant and adjustable pneumatic loop sealing valve device, a high-temperature resistant thermal insulation layer is arranged on the casing inner wall in a lining manner; a high-temperature resistant lining is built in the wall body; a feed opening is formed in the left side at the top of the casing; a discharge opening is formed in the right side at the bottom of the casing; an extremely high temperature resistant rotating valve body is fixedly mounted on the wall between curved passages connecting the feed opening with the discharge opening; a tungsten rod shaft and a U-shaped tungsten plate are adopted as a frame; then corundum casting materials are adopted to cast the frame into the rotating valve body which satisfies the valve size requirement; the left end of the tungsten rod shaft extends out of the casing and is fixedly connected with a driving sleeve shaft of an electric actuator. Through the adoption of the extremely high temperature resistant and adjustable pneumatic loop sealing valve device, the material flushing phenomenon is effectively prevented and the working requirement for valves in extremely high temperature aerobic atmosphere is satisfied.

The invention discloses a shovel tooth and a preparation method thereof. The method comprises the following steps: smelting raw materials to obtain molten iron, wherein the molten iron comprises the following components: C, Mn, Si, Cr, Al, Mo, Cu, Ni, Sb, V and iron; spheroidizing, inoculating and slagging off the molten iron, cooling the molten iron to 1350-1380 DEG C, then carrying out pouring, and performing heat treatment to obtain the shovel tooth, wherein the heat treatment comprises the following steps: carrying out heating to 950-1100 DEG C, keeping the temperature for 10-30 minutes, performing air cooling to room temperature, carrying out heating to T DEG C, keeping the temperature for t min, wherein T is equal to 870-910, and t is equal to 80-110; placing the unfinished product into a nitrate solution at 220-300 DEG C, keeping the temperature for 100-200 minutes, performing water quenching at room temperature for 30-45 minutes, cooling the unfinished product in liquid nitrogen at -200 DEG C to -190 DEG C for 100-150 minutes, and standing to room temperature. The method provided by the invention is simple in process, and the obtained shovel tooth is high in hardness, good in impact toughness, excellent in wear resistance and long in service life.

The invention discloses a ZG-SY09MnCrNiMo RE steel and a method for manufacturing a casting of the ZG-SY09MnCrNiMo RE steel. The ZG-SY09MnCrNiMo RE steel comprises the following components in percentage by mass: 0.06%-0.10 % of C, 0.25%-0.4 % of Si, 1.3%-1.6 % of Mn, 0.4%-0.6 % of Ni, 0.01%-0.02 % of Ti, 0.03%-0.06 % of Nb, 0.4%-0.6 % of Cr, 0.35%-0.5 % of Mo, less than or equal to 0.02% of P, less than or equal to 0.01% of S and the balance Fe, wherein the percentages of the components add up to 100%. The method comprises the steps of 1, carrying out melting, oxidizing and primary reducing byusing an electric furnace; 2, refining by using an LF refining furnace; 3, pouring; and 4, normalizing and tempering the steel casting. The steel and the casting of the steel have excellent mechanical properties and good application prospects.

The invention relates to a device for performing front-wheel turning function inspection without jacking an aircraft. The device comprises a laser calibration device (1), an angle indicator (2), a front-wheel rotating disc (3) and a locking device (4); the device is characterized in that the front-wheel rotating disc (3) is a body part of the device for performing front-wheel turning function inspection without jacking the aircraft, and the annular angle indicator (2) and the laser calibration device (1) are arranged on the outer side periphery of the front-wheel rotating disc (3) as measuringparts; the locking device (4) is arranged on the front-wheel rotating disc (3) as an auxiliary part. Under the condition of not jacking the aircraft, the aircraft front-wheel turning function is inspected, workers are greatly reduced, the working procedure of jacking the aircraft is omitted, and the condition requirement for using tools is reduced; the workers can be effectively reduced, the production efficiency is improved, the technological threshold is lowered, economic benefits are improved, and abrasion to the aircraft and the tools is reduced.

The invention discloses SY15MnNiCrMoVNbTi steel. The SY15MnNiCrMoVNbTi steel consists of the following components in percents by mass: 0.16-0.20 of C, 0.20-0.50 of Si, 1.40-1.60 of Mn, smaller than or equal to 0.025 of P, smaller than or equal to 0.025 of S, 1.00-1.20 of Cr, 0.40-0.60 of Mo, 1.30-1.50 of Ni, 0.05-0.10 of V, 0.03-0.06 of Nb, 0.02-0.20 of Ti, smaller than or equal to 0.006 of B and the balance of Fe, wherein the sum is 100%. The invention further discloses a preparing method of the structural component of the SY15MnNiCrMoVNbTi steel. The material and the steel structural component reach mechanical performance meeting design requirements through adjusting alloy elements and adopting a reasonable thermal treatment technology, so that the requirement on the work environment in which the steel structural component is positioned is met; and the performance indexes of the steel structural component, such as strength, rigidity, stability, cold and hot processing moldability and weldability, are improved, and the service life of the steel structural component is prolonged.

The invention discloses a pipeline environment operation oriented reconfigurable folding and unfolding mechanism. The whole mechanism is composed of metamorphic shear fork mechanisms on the front side and the rear side and auxiliary shear fork mechanisms on the two side, wherein each side is provided with two pairs of auxiliary shear fork mechanisms. Each metamorphic shear fork mechanism is composed of four connecting rods, and all rods pieces are connected to form revolute pairs. The auxiliary shear fork mechanisms on the two sides are each composed of two connecting rods which are connected through a rotating pair. The metamorphic shear fork mechanisms are connected with the auxiliary shear fork mechanisms on the two sides through connecting pieces, and the connecting mode is also revolute pair connection. In order to better adapt to pipeline environments, each rod piece of the mechanism is designed to be in an arc shape. Therefore, the reconfigurable folding and unfolding mechanism with two motion modes is formed, and the reconfigurable folding and unfolding mechanism can be bent in a folded state so as to pass through pipeline environments with different curvatures; after reaching a target position, the reconfigurable folding and unfolding mechanism can be switched from the bending motion mode to the folding and unfolding motion mode so as to adapt to pipeline environments with different inner diameters; and the degree of freedom of the mechanism in the two motion modes is one, and motion and switching control in the two modes can be achieved only through one drive.

The invention belongs to the technical field of motor vehicle drive axle equipment manufacturing and relates to a high ground clearance front axle for a plant protection machine with 50 horsepower. The high ground clearance front axle can be widely applied to the plant protection machine. The main structure of the high ground clearance front axle comprises a differential assembly, a main connecting pipe, connecting pipes, edge decelerating active bevel gears, connecting pipe upper covers, half shafts, steering supports, decelerating axle pipes, steering connecting pipes, steering shell bodies, final-stage decelerating active pinions, final-stage decelerating passive large gears, steering shell covers and the like. The main connecting pipe is connected with the connecting pipes. The right side of the main connecting pipe and the left sides of the connecting pipes are connected with the decelerating axle pipes correspondingly. The lower portions of the decelerating axle pipes on the left side and the right side are connected with the steering connecting pipes correspondingly. The steering supports are mounted on the upper portions of the steering connecting pipes on the left and right sides correspondingly. The lower portions of the steering connecting pipes on the left and right side are connected with the steering shell bodies correspondingly. The main structure of the high ground clearance front axle is simple, the design and conception are ingenious, mounting and using are convenient, machining manufacturing is easy, the working environment is friendly, and market prospects are wide.