34results about How to "Applicable working environment" patented technology

The testing assembly comprises the glass tube, the indicating material in the glass tube and the diffusion control film on two ends of the glass tube. The indication scale for measuring value constitutes the indication window. The testing assembly and the scale are fixed on the carrier with badge shape. The indicating material comprises main agent, the inter surface modifying addition and ceramics powder in 80-120 mesh. One or several of lead acetate, lead nitrate and silver nitrate constitute the main agent. The intersurface modifying addition is soluble barium salt. The weight of the main agent is 1%-10% of the weight of the admixture. The invention provides the features of powerless, high sensitivity, good accuracy, low cost and convenience.

The invention relates to a device for conveying liquid by coupling hard steel pipes with visco-elastic pipes, wherein the device is suitable for conveying emulsion under a coal mine. The device comprises the hard steel pipes, the visco-elastic pipes, pipe connectors and buckling nuts, wherein the hard steel pipes are used as a liquid conveying main body, each visco-elastic pipe is connected between the corresponding two adjacent hard steel pipes so that the pipes can be freely bent and transformed, and the pipe connectors and the buckling nuts achieve connection between the hard steel pipes and the visco-elastic pipes. The device is suitable for conveying the high-pressure emulsion of an underground emulsion pump station in a low pressure drop mode, a conveying pipe system integrates the advantages that the hard steel pipes have low pressure drop and the visco-elastic pipes are easily bent, the hard steel pipes and the visco-elastic pipes are combined for use, and the requirement for complex underground working conditions can be met; besides, the hard steel pipes which are not spliced are independent, convenient to transport, and capable of adapting to a narrow working environment of underground space.

The invention discloses a making method of secondary foamed non-fusing hollow heterotype foam aluminium alloy, which comprises the following steps: heating the aluminium alloy until fusing; adding calcium into the fused liquid of aluminium alloy; adding titanium hydride; stirring to make the fuse blend evenly; placing the non-fusing prefab in the foam aluminium alloy fuse until immersing completely; forming the closed body; cooling the closed body to obtain the secondary foamed aluminium alloy prefab; heating the prefab; placing the prefab in the mould; insulating; foaming the prefab; cooling the prefab rapidly; obtaining the hollow product with stable cavity space and shape.

The invention discloses a ceiling rail type automatic medicine changing infusion support. The ceiling rail type automatic medicine changing infusion support comprises a first connecting rod, wherein the upper end of the first connecting rod is slidably connected with a ceiling rail, a first sliding groove with a downward opening is formed in the first connecting rod, a second connecting rod whichmoves up and down is arranged in the first sliding groove, a first spring is fixedly connected between the upper end face of the second connecting rod and the upper side wall of the first sliding groove, and a pull ring is fixedly arranged at the lower end of the second connecting rod. The function of automatically changing an infusion bottle in the infusion process is achieved, the ceiling rail type automatic medicine changing infusion support is suitable for infusion bottles of various types, and the economic applicability of the device is improved; the device is provided with the pull ring,a nurse can conveniently pull down the device, the infusion bottle can be conveniently placed, and operation is more user-friendly; and the ceiling rail mode is adopted, the freedom degree of the ceiling rail type automatic medicine changing infusion support is increased while too much space is not occupied, and the ceiling rail type automatic medicine changing infusion support is suitable for the working environment of a hospital.

The invention relates to a dual laser type robot joint angle measuring method and angle measuring device. The measuring method comprises the steps: building a laser-plane angle measurement model through employing a ground plane as a reference plane, and obtaining the rotation angle of a robot joint through the measurement of a dual laser distance measurement change value at the robot joint; the measuring device comprises a dual laser range finder which is installed on the robot, and the central axis of the dual laser range finder is parallel to the arm axis of the robot; and a computer is connected with the dual laser range finder, collects left and right laser range finding values of the dual laser range finder in real time in the movement process of the robot joint, and obtains the rotation angle of the robot joint based on the laser-plane angle measurement model. Compared with the methods and the devices in the prior art, the method and the device have the advantages of high measurement accuracy, simplicity and the like.

The invention discloses a tool with a replaceable blade. The tool comprises a handle, the blade and a blade cover; the blade is fixed to the front end of the handle through the blade cover; the frontend of the handle is provided with three layers of steps with different heights, the first layer of step is a long-strip-shaped groove formed in the right side edge of the front end, a long-strip-shaped wedged slide block and a cam are arranged in the groove, the second layer of step is a U-shaped groove formed in the front end of the handle, the blade is arranged in the U-shaped groove, the thirdlayer of step is a boss arranged on the left side of the front end of the handle, and the blade cover is arranged on the boss. By arranging the movable wedged slide block in the blade cover and the handle, the blade can be ejected out by the slide block and replaced, after replacement, the slide block is moved, and the blade can be clamped. The tool is simple in structure and convenient in replacement and achieves the good using effect.

The invention provides a handhold type mineral pneumatic belt type saw. The handhold type mineral pneumatic belt type saw comprises a saw blade driven by a pneumatic motor, a case and a air-water linkage water-breaking protector, wherein the air-water linkage water-breaking protector is arranged on the case and is fixed to the case through a screw; a spraying pipe is arranged on one side of a chain saw and is fixed to the air-water linkage water-breaking protector through a water injecting base arranged on the air-water linkage water-breaking protector; the front end of the spraying pipe directly faces the chain saw; the tail end of the spraying pipe communicates with a water outlet; a water inlet is connected with a water inlet rubber pipe; an air outlet is connected with a pneumatic motor through an air outlet pipe; and an air inlet is connected with an air inlet pipe. The product disclosed by the invention adopts a way of external cooling of a machine body, the chain saw of a working part and a cutting surface can be wholly cooled, so that the sparkle phenomenon caused by cutting metal can be effectively eliminated, delayed cooling of the spraying pipe is achieved, and the safehidden danger is eliminated. The product disclosed by the invention has the advantages of being simple in structure, reasonable in designed position, and high in generality, and also has good economicbenefits and social benefits.

The invention provides a lifting device of an isolating switch. The lifting device comprises a fixing plate, an L-shaped lifting rod and a lifting apparatus, wherein the fixing plate is fixed on a vertical rod of the L-shaped lifting rod. The lifting apparatus comprises a winch, a sling, a fixed pulley fixed on a cross rod of the L-shaped lifting rod and a moving pulley provided with a hook. One end of the sling is connected with a rotating shaft of the winch, and the other end of the sling sequentially penetrates through the fixed pulley and the moving pulley provided with the hook and is fixed on the cross rod of the L-shaped lifting rod. The lifting device of the isolating switch has the advantages of being scientific in design, strong in practicality, convenient to use and applicable to various working environments.

The invention provides a low temperature resisting rubber pipe assembly and discloses a low temperature resisting oil pipe connector formed in a manner that high polymer materials serve as a filler, deformation filling is carried out through threaded connection and extrusion to form a seal and a liner pipe is cooperated to carry out supporting. The low temperature resisting rubber pipe assembly ischaracterized in that one end of a supporting pipe is connected with one end of a fixing pipe in a communicating manner, the outer side wall of the supporting pipe is provided with a thread, the external diameter of the supporting pipe is smaller than that of the fixing pipe, and the internal diameter of the supporting pipe is smaller than that of the fixing pipe; and a steel disc is arranged onthe end face of one end of the supporting pipe and located in the fixing pipe, the liner pipe is arranged in the fixing pipe, one end of the liner pipe is connected with the steel disc, the liner pipeis sleeved with an outer sealing sleeve which is made of a desulfurized rubber material, the outer sealing sleeve and the inner wall of the fixing pipe are spaced, the two ends of the outer sealing sleeve are bent in the reverse directions and make contact with the inner wall of the fixing pipe, the other end of the fixing pipe is of a tapered structure, and one end of a tower connector is arranged in the other end of the fixing pipe.

The invention provides a quick disassembly and assembly protection device for electric power overhaul. The quick disassembly and assembly protection device comprises two vertical rod components and a plurality of middle transition rod assemblies, wherein surrounding cloth is arranged between the two vertical rod components, two ends of the surrounding cloth are respectively rolled in the two vertical rod components, and cloth winding components for automatically rolling the surrounding cloth are arranged in the two vertical rod components; self-adhesive tapes are arranged on the surface of the surrounding cloth at intervals, and the middle transition rod assemblies are attached to the surrounding cloth through the self-adhesive tapes; the quick disassembly and assembly protection device further comprises storage cloth for storing the two vertical rod components and the middle transition rod assemblies, and the self-adhesive tapes are arranged on the storage cloth. The two vertical rod components and the plurality of middle transition rod assemblies form a protection shielding form in any shape, and the quick disassembly and assembly protection device can be applied to various working environments. When the quick disassembly and assembly protection device is used, after one vertical rod component is placed and fixed, the other vertical rod component is pulled, the surrounding cloth rolled in the vertical rod component is pulled out, and then the other vertical rod component is placed and fixed. When the quick disassembly and assembly protection device needs to be stored, the cloth winding components automatically roll the surrounding cloth into the vertical rod components. The quick disassembly and assembly protection device can be quickly assembled and disassembled, and the assembly and disassembly efficiency is improved.

The invention relates to a modular mobile type purification device for airborne radioactive matter. The device comprises an air inlet module, a fan module, and a filter part arranged between the air inlet module and the fan module; and the filter part comprises one or more selected from a smoke filter module, an aerosol filter module and an iodine adsorption module, the filter part is selectivelycombined with the air inlet module and the fan module according to the requirements in a use occasion, and the modules are tightly connected by connecting mechanisms and sealed by sealing members. According to the device provided by the invention, through the modular design, the modules can be separately transported, moved and further recombined; through a combination of the modules, the filteringrequirements in different environments can be realized; and through arrangement of an easily-torn film of an outer shell, the easily-torn film can be peeled off every time after the device is used, so that the problem of surface contamination of the device can be effectively solved.

The invention relates to an automatic sorting system, in particular to a new and old one-way ticket sorting device. Comprising a centralized card feeding mechanism, a pretreatment mechanism, a turnover mechanism, a pre-sorting mechanism and a sorting mechanism which are sequentially arranged, a card feeding groove used for storing tickets to be detected is formed in the top of the centralized card feeding mechanism, and the centralized card feeding mechanism is used for feeding the tickets in the card feeding groove; an image recognition mechanism is arranged at the top of the turnover mechanism, the turnover mechanism is used for turnover of the ticket card, and the image recognition mechanism is used for recognizing abrasion conditions and pattern information of the front and back sides of the ticket card; the pretreatment mechanism and the pre-sorting mechanism are transition conveying sections; a good card groove is formed in the top of the sorting mechanism, the sorting mechanism sorts good cards and bad cards according to the image information recognized by the image recognition mechanism, and the sorted good cards are pushed into the good card groove. The sorting machine has the advantages of being intelligent, easy to operate, uniform in standard, high in sorting speed, purely electric, low in noise, suitable for various working environments and the like.

The invention discloses a permanent magnet motor. The permanent magnet motor is characterized by comprising a stator assembly, a rotor assembly and a brake assembly, the rotor assembly comprises a spoke, a plurality of magnets, a silicon steel sheet, a hub, end rings and a conducting bar. The spoke is fixed to the side wall of the annular groove, and the silicon steel sheet is installed in the spoke. Each silicon steel sheet is provided with a plurality of first grooves and second grooves, the guide bars are installed in the first grooves, and the magnets are installed in the second grooves. The hub is fixed to one end of the spoke and installed on the inner side face of the supporting column through a rotating shaft. The end rings are located on the two sides of the silicon steel sheet, the spokes are provided with inclined holes, and positioning columns extend into the end rings from the inclined holes and at least partially extrude the end rings into the silicon steel sheet. The permanent magnet motor adopts an outer rotor permanent magnet synchronous motor structure, is provided with a plurality of pairs of magnets, and can realize low-speed high-torque rotation. The positioning columns extrude the silicon steel sheets while fixing the end rings, and the silicon steel sheets are kept in a compressed state.

Disclosed is a proximity switch mounting protection shell. The proximity switch mounting protection shell comprises a shell; the shell comprises a switch mounting part and a mounting port mounting part; the switch mounting part and the mounting port mounting part are movably connected; the shell comprises a mounting port mounting pipe and a filling part; the two ends of the mounting port mountingpipe are not sealed; an opening in one end of the mounting port mounting pipe is a fixed opening; a fixed connecting part is arranged at the fixed opening end and used for being fixed with the mounting port; a movable opening is formed in the other end and fixed to a tail circuit end, and the movable opening is prepared from a flexible material; a plurality of holes are formed in the outer surfaceof the movable opening; fixed ropes run through the multiple holes to fasten the flexible material for adjusting the movable opening until the movable opening is matched with the tail circuit; the movable opening is filled with the filling part; the fixed opening has a connecting structure and a mounting structure; the connecting structure is used for being connected with the switch mounting part; the mounting structure is used for combination of the fixed opening and the mounting port; the switch mounting part is tubular, and the two ends thereof are not sealed; and a fixed structure is arranged at the end, far from the connecting structure, of the switch mounting part.

The invention discloses a pump for conveying high temperature molten aluminum. The pump comprises a stator. A high temperature molten aluminum outlet is formed in the outer wall of the front part of the stator, a high temperature molten aluminum inlet is formed in the outer wall of the back part of the stator, a rotor coaxially arranged with the stator is arranged in the stator, a gap is formed between the rotor and the stator, threads same in structure and opposite in rotating direction are arranged on the outer wall of the rotor and the inner wall of the stator, and spiral chutes of the threads are right-angled triangular spiral chutes; the back end and the front part of the rotor are rotatably connected to the stator, a front end cover and a back end cover are separately fixed to the front end and the back end of the stator, the headmost end of the rotor penetrates the front end cover, and the headmost end of the rotor can be connected to a driving device which drives the rotor to rotate around the axis of the rotor. The pump is simpler in structure and more practical, can guarantee the coaxiality of the stator and the rotor better, can exert better performance and is more suitable for a working environment.

The secondary foaming process for making hollow part of foamed aluminum alloy in irregular shape includes the steps of: heating to smelt aluminum alloy and adding calcium via stirring, adding titanium hydride via stirring, setting soluble prefabricated part inside the foamed aluminum alloy melt to form closed body, cooling to obtain prefabricated part of aluminum alloy, heating and molding, cooling to obtain prefabricated part of foamed aluminum alloy, drilling holes reaching the inside of the prefabricated part of foamed aluminum alloy, and dissolving the prefabricated part to obtain foamed aluminum alloy container.

The invention discloses an isolation vibration device, powder collecting equipment and a working method. The isolation vibration device comprises a driving mechanism, a sealing mechanism and a vibration mechanism which are assembled outside a reaction cavity; wherein the driving mechanism comprises a fixedly mounted motor, an L-shaped swing arm fixedly assembled on an output shaft of the motor, and a bearing mounted at the end part of the L-shaped swing arm; the sealing mechanism comprises a flexible sleeve hermetically assembled on the reaction cavity and a sealing plate hermetically connected with the flexible sleeve; the vibration mechanism comprises a vibration rod fixed on the inner side of the sealing plate and an elastic assembly fixed on the outer side of the sealing plate, the vibration rod penetrates through the sealing mechanism and the rear end part of the opening in the reaction cavity and extends into the reaction cavity, when the L-shaped swing arm rotates to one side of the sealing plate, the bearing extrudes the sealing plate, and when the L-shaped swing arm rotates to be away from the sealing plate, the bearing presses the sealing plate. And the bearing releases extrusion on the sealing plate. The device is suitable for powder collection of the high-temperature closed reaction cavity, and the sealing effect is good.

The invention belongs to the technical field of valve opening degree feedback devices, in particular to a valve opening degree feedback device of a tertiary-air duct high-temperature gate valve of a rotary cement kiln. The valve opening degree feedback device of the tertiary-air duct high-temperature gate valve of the rotary cement kiln mainly solves the technical problem that an existing tertiary-air duct high-temperature gate valve of the rotary cement kiln is incapable of performing long-range control. The valve opening degree feedback device of the tertiary-air duct high-temperature gate valve of the rotary cement kiln comprises a metal shell and a magnet and further comprises a temperature transmission, n serial resistors and n reed pipes, wherein the metal shell is provided with valve opening degree scales, and the magnet is arranged on the tertiary-air duct high-temperature gate valve. The valve opening degree feedback device of the tertiary-air duct high-temperature gate valve of the rotary cement kiln is capable of performing the long-range control for the tertiary-air duct high-temperature gate valve of the rotary cement kiln, is low in cost and is suitable for various bad working conditions.

The invention discloses a ZYNQ7020-based wireless smoke detector, which comprises a system architecture and hardware, and is characterized in that the system architecture comprises a single-point equipment terminal, an NB-IOT base station, an Internet of Things platform, a mobile phone terminal APP and a third-party server, the hardware comprises a power supply module, a sleep standby module, a CPU master control module, a field multi-sensor information detection module, a Zigbee wireless communication module, a binocular camera monitoring module and a remote holder control module, the sleep standby module is used for continuously monitoring a site when a fire disaster does not occur and starting a CPU control end and other modules, the Zigbee wireless communication module is used for wirelessly transmitting settlement data, and the binocular camera monitoring module is used for collecting on-site images and videos. According to the invention, the problems that a traditional smoke detector is inaccurate in monitoring parameter, complex in wiring, high in requirement for network bandwidth and the like are solved, data support and real basis are provided for predictability, timeliness and accuracy of fire scene judgment, and life and property safety of rescue workers and rescued persons is guaranteed.

The invention discloses a permanent magnet motor, which is characterized by comprising a stator assembly, a rotor assembly and a brake assembly. The rotor assembly includes spokes, multiple magnets, silicon steel sheets, hub, end rings, and bars. The spokes are fixed on the side wall of the annular groove, and the silicon steel sheets are installed in the spokes. The silicon steel sheet has multiple first grooves and second grooves, the guide bars are installed in the first grooves, and the magnets are installed in the second grooves. The wheel hub is fixed on one end of the spoke, and the wheel hub is installed to the inner surface of the supporting column through a rotating shaft. The end rings are located on both sides of the silicon steel sheet, the spokes have oblique holes, and a positioning column extends into the end ring from the oblique holes and squeezes the end rings at least partially into the silicon steel sheets. The permanent magnet motor of the present invention adopts the outer rotor permanent magnet synchronous motor structure, has multiple pairs of magnets, and can realize low-speed and high-torque rotation. The positioning column squeezes the silicon steel sheet while fixing the end ring to keep the silicon steel sheet in a compressed state.

Disclosed is a proximity switch mounting protection shell. The proximity switch mounting protection shell comprises a shell; the shell comprises a switch mounting part and a mounting port mounting part; the switch mounting part and the mounting port mounting part are movably connected; the shell comprises a mounting port mounting pipe and a filling part; the two ends of the mounting port mountingpipe are not sealed; an opening in one end of the mounting port mounting pipe is a fixed opening; a fixed connecting part is arranged at the fixed opening end and used for being fixed with the mounting port; a movable opening is formed in the other end and fixed to a tail circuit end, and the movable opening is prepared from a flexible material; a plurality of holes are formed in the outer surfaceof the movable opening; fixed ropes run through the multiple holes to fasten the flexible material for adjusting the movable opening until the movable opening is matched with the tail circuit; the movable opening is filled with the filling part; the fixed opening has a connecting structure and a mounting structure; the connecting structure is used for being connected with the switch mounting part; the mounting structure is used for combination of the fixed opening and the mounting port; the switch mounting part is tubular, and the two ends thereof are not sealed; and a fixed structure is arranged at the end, far from the connecting structure, of the switch mounting part.

The invention discloses an environment-friendly and anti-aging filter sealing gasket and a preparation method thereof. The filter sealing gasket comprises a base layer, wherein an environment-friendlyand anti-aging layer is arranged on each of the upper surface and the lower surface of the base layer. Rock wool fibers are added to the base layer to improve toughness and strength of the base layer, so that extrusion resistance of the base layer is improved; by addition of polytetrafluoroethylene and superfine polyimide resin powder to the environment-friendly and anti-aging layers, oil resistance and wear resistance of the environment-friendly and anti-aging layers are effectively improved, the base layer is prevented from being corroded by oil stain, and normal work of the filter sealinggasket in an oil stain environment is guaranteed; oil resistance of the environment-friendly and anti-aging layers is further improved by adding titanium dioxide, pigment carbon black and essence materials to the environment-friendly and anti-aging layers, the prepared filter sealing gasket is safe and environmentally friendly, and is suitable for mass production; the sealing gasket is integratedby a sealing gasket integration device, production efficiency is high, manual operation is not needed, and the sealing gasket is simple and convenient.

The invention discloses a pair of adjustable multifunctional tongs which comprises handles, a right movable jaw, a left movable jaw, a limiting handle, a right connecting block, a left connecting block, a movable handle, an auxiliary handle and a bolt. An opening is formed between the side walls of the top ends of the inner sides of tong heads of the tongs, so that the tongs can be used in cooperation with a screwdriver bit to realize a screwdriver effect; the distance between the right movable jaw and the left movable jaw can be adjusted by vertically rotating the tail bolt, so that the tongsare suitable for more working environments; by arranging shear plates, the tongs have a shearing effect and can cut short iron wires and other objects needing to be cut off in work; and due to the size of the opening between the tong heads, the tongs can be suitable for the assembling and disassembling work of nuts, bolts and screws of various sizes, is suitable for different work occasions, andsolves the problem that existing tongs are not comprehensive in function.