191results about How to "Prevent down" patented technology

The present invention quickly resolves troubles in an analyzer and performs effective external quality control management. An analyzer (2) and a control device (1) are connected by a network (3). Error data and sample data taken from assay of a quality control substance are transmitted from the control device (1) to the analyzer (2). The analyzer (2) is made to be remotely operable from the control device (1) and when troubles arise repair from the control device (1) is possible. The control device (1) tallies sample data, and provides the tally results to a Web page. The analyzer (2) accesses the Web page using a WWW browser, and can perform external quality control in real time.

The invention discloses a high-precision electric drill capable of conducting positioning. The high-precision electric drill comprises a shell, a drill bit, a motor and a transmission mechanism, wherein the motor and the transmission mechanism are arranged in the shell, the drill bit is connected with the motor in a transmission mode through the transmission mechanism, a sleeve is arranged on the shell, a positioning rod is arranged in the sleeve, the positioning rod and the sleeve are vertically connected in a sliding mode, and a positioning piece can conduct positioning on the surface of a workpiece is arranged at the lower end of the positioning rod. When the high-precision electric drill is used, the positioning rod is installed near a hole to be machined first, switch-on of a motor power supply is subjective to to-be-machine hole coverage achieved by the shallow, on the surface of the workpiece, of the drill bit, the sleeve arranged on the positioning rod in a sleeving mode plays a role in guiding the drill bit, and therefore the accuracy of the drilling position and the perpendicularity of a hole are ensured.

The present invention quickly resolves troubles in an analyzer and performs effective external quality control management. An analyzer (2) and a control device (1) are connected by a network (3). Error data and sample data taken from assay of a quality control substance are transmitted from the control device (1) to the analyzer (2). The analyzer (2) is made to be remotely operable from the control device (1) and when troubles arise repair from the control device (1) is possible. The control device (1) tallies sample data, and provides the tally results to a Web page. The analyzer (2) accesses the Web page using a WWW browser, and can perform external quality control in real time.

The invention discloses a multi-stage perforation supercharging method. In the technological processes, a supercharging device is connected with the tail of a perforation gun of the upper level, after the perforation gun of the upper level is detonated, the perforation gun transmits detonation waves to the supercharging device, a baffle igniter of the supercharging device is detonated to ignite a supercharging gun powder mechanism, the supercharging gun powder mechanism generates high-pressure gas to push a supercharging piston to move to shear a shear pin of the supercharging device, and to push the piston to extrude a liquid inside an interlayer oil pipe so as to increase the pressure inside the interlayer oil pipe, and the shear pin of the lower-level detonation device is shorn off to detonate a pressure detonation device and a perforation gun of the lower level so as to complete the perforation operation of the lower level. The method can ensure the stability and the controllability of pressure generated due to the combustion of supercharging gun powder in a supercharging cavity, the pressure is then acted on the supercharging piston to ensure that the supercharging piston moves stably, the method can also realize high-precision shearing, can be used in a pressure type multi-stage perforation process, and is suitable for various well conditions.

A hydraulic traction system for vehicles is described. The system comprises a hydraulic vane motor mounted at each wheel of the vehicle, and equal number of identical hydraulic vane motors operated as engine driven pumps, and a control system for regulating the flow and direction of hydraulic oil during operation. The hydraulic motor is of a novel design that has a hollow non-drive shaft that accepts incoming hydraulic oil, this allows internal components of the hydraulic motor to be arranged in such a way to improve the efficiency of the hydraulic traction system.

The invention discloses a treatment method for tunnel local collapse. A supporting body with the cross-section shape which is identical to that of a tunnel is produced by a corrugated pipe, the supporting body is pushed into a tunnel collapse affected section and a collapse body, cleaning of the collapse body can be performed, or grouting and solidification are performed on tunnel surrounding rock of the collapse affected section and surrounding rock at the position of the collapse body and then the supporting body is pushed into the collapse body so as to perform cleaning on the collapse body. By means of the treatment method for tunnel local collapse, defects of complicated construction processes, large resource consumption and long construction period in the prior art can be overcome, particularly, defects that totally sealed protection of loose rock and earth mass can not be achieved and personal safety of constructors and device safety are severely threatened in the prior art can be overcome, and construction safety can be effectively improved. According to the treatment method for tunnel local collapse, totally sealed protection is achieved in the tunnel by means of a steel corrugated pipe, the construction period is effectively saved, the tunnel stability and safety can be guaranteed, and processes and steel quantity of I steel supporting, steel grating supporting and the like can be effectively reduced. Besides, the treatment method for tunnel local collapse is suitable for engineering application.

A matrix architecture for KVM extenders connecting a plurality of console terminals and a plurality of computers. The matrix architecture for KVM extenders includes a plurality of first extenders and a plurality of second extenders. The first extenders transform keyboard, mouse analog signals into keyboard, mouse data packets and transform video data packets into video signals for console terminals. The second extenders transform video signals into video data packets and transform keyboard, mouse data packets into keyboard, mouse analog signals. The broadcasters broadcast keyboard, video, mouse data packets, each having a source address and a target address to couple computers to console terminals by broadcasting video data packets from second extenders to first extenders and to couple console terminals to computers by broadcasting keyboard, mouse data packets from first extenders to second extenders.

There is disclosed a rework process for a photoresist film over a substrate having at least a first antireflection silicone resin film and the photoresist film over the first silicone resin film comprising: at least removing the photoresist film with a solvent while leaving the first silicone resin film unremoved; forming a second antireflection silicone resin film over the first silicone resin film; and forming a photoresist film again over the second silicone resin film. There can be provided a rework process for a photoresist film that can be conducted more easily at lower cost and provide more certainly an excellent resist pattern.

Reliability is evaluated in constructing a component based-on application and an application for realizing reliability required can be constructed efficiently. A run-time history such as an occurrence frequency of errors, a recovery time required at error occurrence, and a processing capacity at preventive maintenance is added per software component to a run-time history list having been recoded per execution environment such as an application ID, combined component IDs, and executed hardware ID. From these pieces of information, an interval of performing preventive maintenance recommended per software component during system construction is calculated. By comparing reliability per software component and reliability required for the system, advisability is determined and conformance is evaluated. An execution schedule for preventive maintenance and a processing capability are calculated about the entire component-based application created by combining the software components. By calculating the reliability and the processing capability in the entire system to be compared to those required for the entire system, advisability is determined and conformance is evaluated.

The invention discloses a misoperation-preventing interlocking apparatus. A grounding switch is connected with a grounding switch rotary shaft through a grounding switch connecting lever; a main bent plate is arranged in the cabinet body; the main bent plate moves up and down to drive an interlocking rotary shaft to rotate; the main bent plate is provided with a grounding switch rotary shaft baffle; when the main bent plate is positioned at the upper position, the front end part of the grounding switch rotary shaft is blocked by the grounding switch rotary shaft baffle; when the main bent plate is positioned at the lower position, the front end part of the grounding switch rotary shaft is exposed; the interlocking rotary shaft is equipped with an interlocking baffle and an interlocking propping plate which rotate along with the interlocking rotary shaft; and a handcart of a circuit breaker is provided with a handcart interlocking bent plate and a handcart limiting tongue-shaped plate. The misoperation-preventing interlocking apparatus provided by the invention is high in integration function, less in parts, compact in structure, and small in occupied space; the interlocking schemes are well arranged and closely linked, so that the interlocking reliability is high; and in addition, the ''five preventions'' interlocking requirement of the switch equipment is fully satisfied, so that the interlocking apparatus is high in safety in use.

A hydraulic traction system for vehicles is described. The system comprises a hydraulic vane motor mounted at each wheel of the vehicle, and equal number of identical hydraulic vane motors operated as engine driven pumps, and a control system for regulating the flow and direction of hydraulic oil during operation. The hydraulic motor is of a novel design that has a hollow non-drive shaft that accepts incoming hydraulic oil, this allows internal components of the hydraulic motor to be arranged in such a way to improve the efficiency of the hydraulic traction system.

The invention discloses a filter plate cleaning device for wastewater treatment and a using method, and belongs to the technical field of wastewater treatment. The invention discloses a filter plate cleaning device for wastewater treatment. Wastewater treatment tank, a filter screen plate is detachably connected into the wastewater treatment box, the top of the wastewater treatment box is movablyconnected with a moving rod, the top of the moving rod is rotationally connected with a first bevel gear, the end, away from the first bevel gear, of the moving rod is connected with a moving plate, the moving plate is slidably connected to the inner wall of the wastewater treatment box, the outer wall of the moving rod is sleeved with a first elastic element, the first elastic element is connected between the wastewater treatment box and the moving plate, the outer wall of the moving plate is connected with a scraper, the scraper movably abuts against the outer wall of the filter screen plate, and a first groove is dug in the bottom of the wastewater treatment box. Impurities attached to the outer wall of the filter screen plate are removed through the scraper blade, the filter screen plate is prevented from being blocked, the filter screen plate is detachably connected into the box body, the filter screen plate is convenient to disassemble and assemble, and the filter screen plate can be further cleaned.

The invention discloses a cable trench cover plate prying and transporting device, and relates to the technical field of cable trench cover plate disassembly and assembly. The device comprises a moving frame, a lifting part and a prying mechanism, the prying mechanism comprises an inserting plate, a rotating plate and an adjusting plate, the moving frame is connected with the upper end of the lifting part, the lower end of the lifting part is connected with the upper end of the inserting plate, the lower end of the inserting plate is connected with the middle of the rotating plate, one end ofthe rotating plate is hinged to the lower end of the adjusting plate, and the adjusting plate is in sliding connection with the inserting plate; and when the lower end of the adjusting plate is flushwith the lower end of the inserting plate, the rotating plate rotates to a horizontal state of supporting a cable trench cover plate. According to the cable trench cover plate prying and transportingdevice, the labor intensity of constructors can be reduced, and the construction safety of the constructors is improved.

The invention discloses a multistage circular blower for hollow polyphenylene sulfide short fibers. The multistage circular blower comprises an air conditioner, a main valve, a branch valve, a staged air inlet device and a circular blowing device, wherein one end of the air conditioner is connected with the staged air inlet device; the staged air inlet device comprises a first air intake tube, a second air intake tube, a third air intake tube, a fourth air intake tube and a fifth air intake tube in sequence from top to bottom; the circular blowing device is connected with the other end of the staged air inlet device; the main valve and the branch valve are located at the joint of the air conditioner and the staged air inlet device; the main valve is located on a connector of the air conditioner; the branch valve is located on the staged air inlet device, and is fixedly arranged at the joint of the first air intake tube 4, the second air intake tube 5, the third air intake tube 4, the fourth air intake tube and the fifth air intake tube, and the multiple air intake tubes are respectively controlled. Compared with only one fan and the one-stage speed regulation of a common circular blower, the multistage circular blower disclosed by the invention is capable of realizing five-stage speed regulation and stage-by-stage cooling.

A kind of slope-face roof lawn comprises waterproof layer, slope-face roof fixation tray, moisture self-restraint layer, level ground bed matrix layer and lawn plant. The waterproof layer is paved above the slope-face roof, on the waterproof layer pave the slope-face roof fixation tray which is shaped as the inside concave-like step-type, to the under side is the straight surface, to the up side is the flute formed by turn-up arc-surface, on the fixation tray pave the self-restraint layer formed by water-contain material, on the moisture self-restraint layer pave the level ground bed matrix layer, on which grow the lawn plant. The invention has the simple structure and can be achieved easily, the special design of the slope-surface roof fixation tray can effectively induce the leakage of the moisture in the earth matrix and give the matrix a effective support, and can also contain the slope-face roof level ground bed matrix and the moisture distributed evenly, and ensure the growth of the roof lawn.

The invention discloses a method for measuring the cavity depth or the end surface gap of mechanical products and a measuring device thereof. The measuring method comprises the following steps: fixing a product to be measured; determining a contrastive datum plane; building a contrastive reference surface; creating contrastive reference data; arranging a plane disk sheet between an electronic probe and an end surface to be measured; clinging the bottom surface of the plane disk sheet to the end surface of the product; acquiring a measured data signal by the electronic probe; calculating the contrastive reference data of the contrastive reference surface in a microcomputer; and displaying the measuring result on a display screen. The measuring device mainly comprises a working table, a workpiece clamping seat, a vertical ledge, an electrical control mechanism and a measuring component; and the measuring component which comprises a position block and the electronic probe is arranged at the top of the workpiece clamping seat. The invention has the advantages that the measuring result for the first time is very close to the minimum value; the measuring data is accurate; and the measuring efficiency is high.

A capacitance charge device with adjustable clamping voltage is disclosed in the invention, which includes a high-farad capacitance and a power supply device for charging to the high-farad capacitance. In addition, a switch device is connected between the power supply device and the capacitance, and through the on / off operations of the switch device, the on / off conductions between the power supply device and the capacitance can be controlled. Besides, a clamping circuit is connected between the switch device and the capacitance and also connected to the output terminal of the power supply device. In addition, the clamping circuit has a clamping voltage, which can be compared with the actual voltage so as to control the on / off operations of the switch device and in turn control the on / off conductions between the power supply device and the capacitance. In addition, the invention can constrain the battery voltage in the clamping voltage of the clamping circuit. By doing so, the system can be ensured not to be down because of a sudden tremendous voltage drop of the battery, and the clamping voltage is adjustable according to the variations in product design.

The invention discloses a construction method of a municipal administration road subgrade, and relates to the technical field of municipal road construction. The construction method comprises the following steps that (1), a foundation is handled, specifically, the protruding part of the foundation surface layer is removed, the sunken part of the foundation surface layer is filled and leveled up with soil, a road roller is used for repeated rolling from both sides to the middle, and the sunken part of the foundation is continuously filled with the soil until the foundation reaches the requireddegree of consolidation and intensity; (2), a bottom layer soil base is filled; (3), a function soil base is filled, specifically, the upper surface of the bottom layer soil base is sequentially filled with a saline-alkaline soil layer, an upper layer soli layer and a gravel layer, and the saline-alkaline soil layer, the upper layer soli layer and the gravel layer are compacted; (4), a rod surfaceis constructed; and (5), a drainage ditch is laid. According to the construction method of the municipal administration road subgrade, drainage performance of a road is increased, an anti-deformationdevice is arranged in the bottom layer soil base in the width direction of the rod surface, the situation of downward moving of the road surface due to the fact that the bottom layer soil base movestowards the two sides can be prevented, and meanwhile, damage to the road by living things can be effectively prevented.

The invention discloses an electromagnet opening device for a safe deposit box or a safe box. The electromagnet opening device for the safe deposit box or the safe box comprises a shell, a fixed iron core, a movable iron core, an electromagnetic coil, a shifting piece and a closing spring are arranged in the shell, the bottom end of the movable iron core is matched with the fixed iron core, the top end of the movable iron core is sleeved with a shaft sleeve, and the shaft sleeve extends to the outside of the shell through a through hole in the shell. The electromagnet opening device for the safe deposit box or the safe box is characterized in that a vibration sensing mechanism is further arranged in the shell and comprises an induction block and a balancing spring, the induction block is provided with a blocking end and a balancing end, the blocking end and the balancing end are located on the two sides of the movable iron core respectively, the balancing spring is arranged between the bottom of the balancing end and the shell, the bottom of the blocking end is in transmission connection with the shell through a rotating shaft, and when the induction block compresses the balancing spring through the rotation of the rotating shaft, the blocking end abuts against the bottom face of the shaft sleeve. According to the electromagnet opening device for the safe deposit box or the safe box, mistaken shrinkage of the movable iron core is prevented by adding the vibration sensing mechanism, and the situation that the safe box(the safe deposit box) is opened abnormally is prevented effectively.

The invention discloses a piston-type yogurt box. The piston-type yogurt box comprises a box body the upper side wall of which is provided with a cover plate, two mounting bags are attached to the outer wall of the box body, and a heating mechanism is arranged in each mounting bag; the bottom of the box body is provided with a pushing mechanism, the pushing mechanism comprises gasbags fixed at theinner bottom of the box body, sliding plates are slidingly connected to the inner walls of the two gasbags, the side walls of the opposite sides of the two sliding plates are fixedly connected with squeezing rods, and the ends, away from the sliding plates, of the two squeezing rods are fixed to the inner walls of the gasbags, extend to the exteriors of the gasbags and are fixedly connected withsqueezing balls. The piston-type yogurt box has the advantages that through the downward movement of push rods, water is driven to flow out to react with quicklime to generate a large amount of heat,and yogurt in the box body is heated; meanwhile, through the expansion of gas, the gas is squeezed to move into the gasbags, a trapezoidal plate and a piston are pushed to move upwards, the yogurt onthe inner wall of the box body is pushed to move upwards accordingly without disassembling the box body, the yogurt is convenient to eat, and the waste of the yogurt is avoided.

A matrix architecture for KVM extenders connecting a plurality of console terminals and a plurality of computers. The matrix architecture for KVM extenders includes a plurality of first extenders and a plurality of second extenders. The first extenders transform keyboard, mouse analog signals into keyboard, mouse data packets and transform video data packets into video signals for console terminals. The second extenders transform video signals into video data packets and transform keyboard, mouse data packets into keyboard, mouse analog signals. The broadcasters broadcast keyboard, video, mouse data packets, each having a source address and a target address to couple computers to console terminals by broadcasting video data packets from second extenders to first extenders and to couple console terminals to computers by broadcasting keyboard, mouse data packets from first extenders to second extenders.

A supply voltage switching circuit for a computer includes a chipset, a first transistor, a second transistor, and a third transistor. The chipset includes a first MOSFET and a second MOSFET. A 5V system voltage and a 5V standby voltage are respectively inputted to sources of the first MOSFET and the second MOSFET. Gates of the first MOSFET and the second MOSFET are respectively coupled to collectors of the second transistor and the third transistor. A base of the first transistor is coupled to a terminal for receiving a control signal from the computer. The 5V standby voltage is inputted to a collector of the first transistor. Bases of the second transistor and the third transistor are coupled to the collector of the first transistor. A 12V system voltage and the 5V standby voltage are respectively inputted to collectors of the second transistor and the third transistor.

The invention discloses anautomatic flood prevention power distribution cabinet for electric power, whichcomprises a cabinet body, wherein four supporting columns are fixedly connected to the lower wall of the cabinet body, a ventilation opening is formed in the side wall of the cabinet body in a penetrating mode, a groove is formed in the inner wall of the ventilation opening, a baffle capable of moving up and down is arranged on the inner wall of the groove, and a sliding groove is formed in the inner wall of the cabinet body and communicates with the groove; the side wall of the baffle is fixedly connected with a connecting rod, and the end, away from the baffle, of the connecting rod is fixedly connected with a rack. When the water surface rises, the baffle blocks the ventilation opening, water can be prevented from entering the cabinet body, normal work of electrical components in the cabinet body is further ensured, the airtightness of the baffle and the groove can be improved through expansion of the air bag, and the waterproof effect of the cabinet body is further improved. Besides, a problem that electrical apparatus elements in the cabinet body are damaged due to the fact that the internal temperature of the cabinet body is too high during sealing can be prevented, repeated use can be achieved, and the economic applicability of the device is improved.

The present invention provides one kind of mold regulator of powder molding machine, and belongs to the field of mechanical technology. The mold regulator set near the mold includes one mold seat, one material storing unit connected to the mold seat and with material hole, and one material discharging unit comprising one circular core rod and one cylindrical sleeve, and one regulating unit around the middle part of the core rod. The mold regulator has the advantages of simple operation, easy regulation and high stability.

The invention discloses a model cleaning device based on photocuring 3D printing. The model cleaning device comprises a shell, a cleaning mechanism and a material storing table, wherein one side of the shell is opened and a door is arranged at the opening; the top end of the inner wall of the shell extends downwards to form a mounting part; a mounting groove is arranged above the mounting part; the cleaning mechanism comprises a water pump, a flow divider, a liquid inlet pipe, a liquid outlet pipe and an impeller; the water pump and the flow divider are both arranged at the bottom end in the shell; a liquid inlet of the water pump is connected with a pipeline and extends to the bottom end in the shell; a liquid outlet of the water pump is connected with the flow divider through the pipeline; the impeller is arranged in the mounting groove and is rotatably connected to the mounting part through a pivot at the bottom; a cover plate is detachably and fixedly connected to the upper openingof the mounting groove; a liquid discharge hole is formed in the center of the impeller; and the liquid discharge hole penetrates through the impeller and extends into the pivot. According to the model cleaning device based on photocuring 3D printing, the traditional manual cleaning is replaced by equipment cleaning, so that the cleaning process is more convenient and fast, the working efficiencyis greatly improved, and the cleaning effect is more perfect.