1638results about How to "Adjustable size" patented technology

The invention relates to a light path system for forming point ring light spots and a laser processing device. The light path system comprises a first light source, a first collimating lens, a first conical lens and a reflecting mirror which are arranged in the first linear direction. The second light source, the second collimating lens, the focusing lens and the second conical lens are arranged in the second linear direction, the reflecting mirror is located between the second collimating lens and the focusing lens, and the center of the reflecting mirror and the center of the second conical lens are each provided with a through hole allowing a second light beam emitted by the second light source to penetrate through; a first light beam emitted by the first light source passes through the first collimating lens and the first conical lens and then is reflected by the reflector, and the reflected first light beam sequentially passes through the focus lens and the second conical lens and then forms an annular light spot at the focus of the focus lens. A second light beam emitted by the second light source sequentially passes through the second collimating lens and the focus lens and then forms a point light spot located in the center of the annular light spot at the focus of the focus lens. The composite light spot of the center point light spot and the outer ring light spot can be formed, the structure is simple, and the manufacturing cost is low.

The invention provides a dynamic hybrid flash translation layer address mapping method and system based on heat perception, and the method comprises the steps: judging whether data is cold data or hot data when an address reading request is received, then searching a corresponding data cache, searching a page-based address mapping cache corresponding to the hot data if the data cache is not hit, and if the data cache is hit, searching a page-based address mapping cache corresponding to the hot data; searching the address mapping cache based on the learning type index for cold data, and if no data is positioned, searching an address mapping block by using a global mapping directory; when an address writing request is received, hot data and cold data are determined, if the data are hit in the data cache, the data are not written into the flash memory and are updated locally, and if the data are in the data cache, the data are written into the corresponding data cache, historical address mapping records of the data are searched, and historical data are marked as invalid; for the garbage collection request, when the number of free blocks of the flash memory solid state disk is lower than a threshold value, the flash memory solid state disk controller triggers garbage collection operation execution.

The invention provides a horizontal sliding bearing test bed, which belongs to the field of sliding bearing safety operation and detection and comprises a main transmission system, a driving system, a radial loading system, a heating system and a hydraulic system. A sliding bearing seat in the radial loading system is inversely fixed on a lower loading plate and is detachably sleeved and fixed on a test bearing, and a test bed applies pressure to the lower loading plate through a hydraulic cylinder to apply radial load to a test sliding bearing. A rotary swing hydraulic oil cylinder in the main transmission system provides power to test the horizontal sliding bearing. The hydraulic system is connected with the rotary swing hydraulic oil cylinder and the radial loading oil cylinder and can achieve closed-loop control over torque and radial loading force. The heating system simulates a high-temperature working condition through a heating box, and a test bearing can be set to be tested at a specific high temperature. According to the invention, large load detection can be realized, working condition simulation is accurate, data such as bearing working torque and service life can be detected, and comprehensive and multi-size adaptability is realized.

The invention provides an in-hole large-diameter main drive disassembling device and disassembling method, and relates to the field of shield tunneling machines, the in-hole large-diameter main drive disassembling device comprises a base platform with an upper platform and a lower platform, the lower platform is provided with a sliding block, the sliding block slides in the length direction of the lower platform, and the upper platform is provided with two bearing holes; the connecting assembly comprises a first connecting element, a second connecting element and third connecting elements, the first connecting element and the second connecting element are used for being fixed to the main drive, the two third connecting elements are fixed to the upper platform in the width direction, and the third connecting elements are hinged to the second connecting element; the disassembling assembly comprises a first telescopic element and a second telescopic element, the first telescopic element is connected with the first connecting element and the sliding block, and the second telescopic element is hinged to the sliding block; the supporting assembly is located below the bearing hole. According to the disassembling device, the first telescopic element and the second telescopic element are matched, so that the disassembling device can select elements with smaller lengths and strokes, the size of the disassembling device is smaller, and the disassembling device is more suitable for disassembling the main drive in a hole.

The utility model belongs to the technical field of turnover boxes, and particularly relates to a vegetable distribution separation type turnover box which comprises an outer box. A frame-shaped groove is formed in the outer box, an inner frame is installed in the frame-shaped groove in a sliding mode, a cross-shaped partition plate is fixed in the outer box, a cross-shaped groove is formed in the cross-shaped partition plate, a cross-shaped lifting plate is installed in the cross-shaped groove in a sliding mode, and four sides of the cross-shaped lifting plate are fixedly connected to the inner frame. Limiting grooves are formed in the two sides of the outer box, guide rods are inserted into the two limiting grooves in a penetrating mode, one ends of the guide rods are fixedly connected to the inner frame, the other ends of the guide rods are sleeved with locking caps, the locking caps are arranged on the outer side of the outer box, grooves are formed in the two sides of the inner frame, and the grooves are arranged in the grooves. The bottom of each groove is fixedly connected with two springs; when the turnover box is used, the size of the storage space can be adjusted according to requirements, meanwhile, the accumulation stability of a plurality of turnover boxes can be guaranteed, and the transportation safety is guaranteed.

The utility model discloses a glove for extreme frisbee sports, which belongs to the technical field of gloves for extreme sports and comprises a hand back part and a palm part, the hand back part and the palm part are connected to form a glove body which comprises five fingerstalls and is used for accommodating a palm, and a breathable part is arranged between two adjacent fingerstalls in the other four fingerstalls except a thumb fingerstall. The ventilation part is connected between the hand back part and the palm part and serves as the side face of the corresponding fingerstall; the ventilation part comprises a net face with a plurality of ventilation holes. According to the limit frisbee sports glove, the air permeability between every two adjacent fingers is improved, sweat evaporation is facilitated, sweat is prevented from being accumulated in the finger sleeves, and the use experience of a user is effectively improved.

The invention belongs to the technical field of atomizing water spraying, and discloses atomizing water spraying equipment for municipal construction, which comprises a base, a water tank is fixedly connected to one side of the upper surface of the base, a fixing frame is fixedly connected to the upper surface of the base, and a water pump located on one side of the fixing frame is fixedly connected to the upper surface of the base. A movable plate movably sleeves the inner side of the bottom of the fixed frame, a hydraulic oil pump movably sleeves the outer circular surface of the convex part of the movable plate, a shell movably sleeves the middle part of an output shaft of the hydraulic oil pump, and two rotating rods movably sleeve the inner side of the convex part of the upper part of the fixed frame. By means of the design of the pressurizing mechanism, airflow generated by the fan blades is enhanced, by optimizing the airflow path and reducing energy loss, the effect of obtaining larger wind power under the same power can be achieved, energy is saved, the operation cost is reduced, water mist can be conveyed to a farther distance through the stronger wind power, the water mist can be atomized more sufficiently, and the water mist atomization effect is improved. Therefore, the dust falling efficiency is improved.

The invention discloses a continuous and efficient insulating glove voltage withstanding detection device and a detection method thereof, belongs to the field of insulating glove detection, and solves the problem that the knuckle part of an existing insulating glove cannot be detected during voltage withstanding detection, and the device comprises a supporting seat, a conveying assembly, a lifting storage barrel and a detector, according to the insulation glove detection device, through arrangement of the detection mechanism and the detector, a conductive detection rod can be stably inserted into the insulation glove, and along with operation of the lifting assembly, the distance between the lifting sliding cylinder and the mounting piece is gradually reduced; at the moment, the conductive detection piece automatically slides down to the lower end under the action of self weight and gravity to fill the internal space of the insulating glove, especially the knuckle part of the insulating glove, so that the detection area during equipment operation is enlarged, the equipment can comprehensively carry out withstand voltage detection on the insulating glove, and the detection efficiency is improved. And the accuracy and the stability of detection data are ensured.

The invention relates to the technical field of building material detection, and discloses a building stone compressive and flexural strength integrated detection device, which comprises: a chassis, the left side of which is provided with a control box, and the rear side of which is provided with an electric push rod 1; the supporting frame is installed at the top of the bottom frame and used for moving the equipment detection position, and a second electric push rod is installed at the top of the supporting frame; the detection mechanism slides in the supporting frame and is used for converting detection assemblies according to detection requirements; the clamping mechanism is arranged in the bottom frame and used for detecting the stone during fracture resistance; the detection mechanism comprises a fixing block which is fixed to an output port of the second electric push rod, and a first motor is arranged in the fixing block. Through the detection mechanism which can be switched, the equipment can carry out integrated detection on fracture resistance and compression resistance, and when the equipment is switched to fracture resistance detection, the corresponding bearing plate can be opened to assist in detection of marble in a suspended state, so that the effect of operators is improved, and meanwhile, the test requirements are met.

The invention discloses a liquid metal-hydrogel composite radiation protection material and a preparation method and application thereof.The preparation method comprises the steps that indium, tin and bismuth are sequentially put into a flask from low melting point to high melting point to be mixed, and glycerin is added for immersion; placing the mixture in an argon atmosphere, and stirring by using a heating type magnetic stirrer; taking out the spherical liquid metal particles from the glycerol, and finally washing and drying to obtain liquid metal alloy particles; preparing a PVA (polyvinyl alcohol)-H2O solution with the mass fraction of 15% and a PVA-DMSO (dimethyl sulfoxide) solution with the mass fraction of 15%; and a PVA-H2O solution, a PVA-DMSO solution and the liquid metal alloy particles are stirred and mixed according to the mass ratio, the mixed solution is subjected to ultrasonic treatment and then poured into a mold to be frozen into gel, and the liquid metal-hydrogel composite material is obtained. By combining the advantages of the liquid metal and the hydrogel, excellent biocompatibility, adjustable mechanical property and efficient radiation shielding capability are realized, and the hydrogel can be used as a novel lead-free radiation protection material.

The utility model discloses an adjustable jaw crusher for construction waste, which comprises a frame, a fixed jaw plate arranged on one side of the frame and a flywheel arranged above the frame, a movable jaw is arranged on one side of the frame, a movable jaw plate is arranged between the movable jaw and the fixed jaw plate, a clamping groove is arranged on the movable jaw, and the flywheel is arranged on the frame. The movable jaw plate is connected to the movable jaw in a clamped mode, a connecting plate is arranged above the rack, a limiting groove is formed in the rack, the connecting plate is connected to the interior of the limiting groove in the rack in a limited mode, an adjusting plate is arranged on one side of the connecting plate, and a hydraulic telescopic rod is arranged between the adjusting plate and the movable jaw. One end of the hydraulic telescopic rod is fixedly connected to the adjusting plate, and a limiting seat is arranged below the movable jaw and fixedly connected to the movable jaw. The size of the opening of the crushing cavity of the stone crusher is adjusted through connection between the hydraulic telescopic rod and the spring, the exerting space of the jaw crusher is widened, and the crushing efficiency of the crusher is improved.

The invention discloses electromagnetic shielding aerogel with a double-layer structure and a preparation method of the electromagnetic shielding aerogel, the electromagnetic shielding aerogel is composed of cellulose nanofibers, hollow cobalt nickel carbon nanocages and few-layer MXene, and the electromagnetic shielding aerogel is of the double-layer structure. The electromagnetic shielding aerogel not only has excellent kilomegahertz shielding efficiency with low reflection characteristic, but also has great application potential in the fields of lightweight multifunctional electromagnetic shielding composite materials, special electromagnetic protection facilities, electromagnetic stealth materials, severe environment resistant electronic equipment and the like.

The invention discloses engine oil seal and production detection equipment and method, the engine oil seal and production detection equipment comprises a fixed base and a lifting frame, the lifting frame is fixedly mounted on the outer surface of the upper end of the fixed base, and a butt joint base is fixedly mounted in the middle of the upper end of the fixed base; a sealing cover is movably installed at the position, located above the butt joint base, of the inner side of the lifting frame, the lifting frame and the sealing cover are driven through a lifting rod, an installation base used for installing an oil seal is arranged on one side of the lifting frame, and the sealing cover is connected and fixed through the lifting rod and a lifting plate. Four groups of lifting guide rods are arranged between the lifting frame and the lifting plate, and a pressure measuring pump is fixedly mounted at the upper end of the lifting frame; the tool can be suitable for installation operation between the oil seal and annular metal pieces with different calibers, the installation step during oil seal detection operation is rapidly completed, the phenomenon that the oil seal structure is damaged during installation is avoided, and meanwhile the tool can be flexibly suitable for installation of oil seal structures with different calibers.

According to the high-sphericity superfine silver powder and the preparation method and application thereof, when the superfine silver powder is prepared through a chemical reduction method, a hydrothermal method is added for assistance, the crystal nucleus growth process of the silver powder is accurately controlled by adjusting parameters such as temperature and reaction time through the hydrothermal method, and the high-sphericity superfine silver powder is obtained. According to the method, the particle size and morphology are regulated and controlled, the superfine silver powder which is excellent in performance, uniform in particle size and high in sphericity degree and is used for preparing the conductive paste is prepared, and then the conductive paste prepared from the superfine silver powder with the high sphericity degree has excellent conductive performance.

The utility model discloses a nanobubble mixing pressure regulating device, which comprises a shell, a gas inlet, a liquid inlet and a release port, the gas inlet, the liquid inlet and the release port are connected with the shell, a first valve, a second valve and a third valve are respectively arranged at ports of the gas inlet, the liquid inlet and the release port, and a pressure regulating mechanism is arranged at the upper end of the shell. The pressure regulating mechanism comprises a piston plate arranged in the upper end of the shell and an electric telescopic rod arranged outside the upper end of the shell, a movable rod of the electric telescopic rod extends into the upper end of the shell and is fixedly connected with the upper surface of the piston plate, and the shell is provided with a dissolved air bin on the lower surface of the piston plate; the air dissolving device has the advantages that the piston plate is driven by the electric telescopic rod to synchronously move up and down, the internal pressure of the air dissolving bin is rapidly adjusted, the sleeve is communicated with the air dissolving bin, the guide pipe is arranged at the upper end of the sleeve, the valve is further arranged on the guide pipe, the valve is directly opened during pressure reduction, and efficiency is greatly improved.

The utility model discloses a terminal crimping machine convenient for auxiliary spacing, and relates to the terminal crimping machine technology field, the terminal crimping machine comprises a machine body and a clamping block, the bottom of the machine body is provided with a hydraulic rod, the bottom of the hydraulic rod is provided with a pressing block, the bottom of the pressing block is provided with a fixing block, the bottom of the fixing block is fixedly connected with a base plate, and the base plate is fixedly connected with the clamping block. A discharging box is fixedly connected to the top of the bottom plate, and an electric push rod is arranged on one side of the discharging box. According to the terminal crimping machine facilitating auxiliary limiting, a conical positioning block at the top of a pressing block is in butt joint with a conical groove in the bottom of a connecting plate, the conical structure can facilitate butt joint of the conical positioning block and the conical groove, when the positioning block makes contact with an inclined face on one side of a clamping block, the clamping block moves, and when the clamping block moves, a first spring on one side is squeezed; and when the clamping block makes contact with a clamping groove in the positioning block, the first spring can reset, the clamping block is pushed to move to be clamped with the positioning block, and limiting installation of the pressing block is completed.

The invention relates to the technical field of submarine cable protection, and discloses a distributed buoyancy module capable of being flexibly configured, which comprises a first buoyancy block, a third buoyancy block with the same type and size is horizontally arranged below the first buoyancy block, and a second buoyancy block is arranged between the first buoyancy block and the third buoyancy block; a clamp is arranged on the inner side of the second buoyancy block. The distributed buoyancy module capable of being flexibly configured is convenient to assemble, and the production cost can be effectively reduced; the demountable distributed buoyancy module can adjust the line type of the submarine cable, so that the fatigue life of the submarine cable is prolonged; a single buoyancy block in the product is small in size, simple in structure, low in production equipment requirement and high in pouring efficiency; the buoyancy module and the clamp are connected only through bolts, and the assembling process is simple and easy to operate; the clamp is limited through the combination of different types of buoyancy blocks, and a limiting device of the clamp does not need to be added; the buoyancy module is installed in a modularized mode, the size of the buoyancy module can be adjusted according to site conditions, and the submarine cable type can be adjusted.

The invention discloses a preparation method of a carbon fiber cloth coated SixFe1-xO2 nanorod material, which comprises the following steps: dissolving a silicon source and an iron source in a mixed solution of ethanol and ethylene glycol, adding hexamethylenetetramine and urea step by step, stirring and dissolving to obtain a mixed solution, then putting the mixed solution and carbon fiber cloth into a high-pressure reaction kettle together, and stirring for 30-60 minutes to obtain the carbon fiber cloth coated SixFe1-xO2 nanorod material. The preparation method comprises the following steps: adding a carbon fiber cloth coated SixFe1-x (OH) 4 nanorod material into a reaction kettle, reacting at a certain temperature in a constant-temperature drying box, then naturally cooling to room temperature, washing and drying to obtain the carbon fiber cloth coated SixFe1-x (OH) 4 nanorod material, putting the carbon fiber cloth coated SixFe1-x (OH) 4 nanorod material into a muffle furnace, and annealing in an air environment to obtain the carbon fiber cloth coated SixFe1 The synthesis process is simple, the cost is low, the requirement for equipment is low, the controllable degree is high, and the obtained product is uniform and novel in morphology, has high charging and discharging capacity and long cycle life as a flexible negative electrode material, and has wide application in the fields of flexible batteries, photoelectric devices and the like.

The invention provides a pipe fitting punch forming device with a protection structure and a forming process, and belongs to the technical field of pipe fitting machining.The pipe fitting punch forming device with the protection structure comprises a supporting plate, a supporting seat is fixedly arranged on the supporting plate, a shell is installed on the supporting seat, a support is welded to the shell, and a protective cover is arranged on the supporting seat; a first electric push rod is installed on the support, a connecting block is connected to the bottom of the first electric push rod, a fixing plate is fixedly arranged on the connecting block, a rotating ring is rotationally connected to the rear side of the fixing plate, a fixing ring is fixedly installed in the fixing plate, a driving assembly is installed on the fixing ring, and a pressing plate is fixedly connected to the rotating ring. The pipe fitting stamping device solves the problems that an existing pipe fitting stamping device cannot support a round pipe while stamping the round pipe into a square pipe, cannot adjust the size of the pipe after stamping forming and cannot detect the size, and does not have a protection function during stamping.

The utility model belongs to the technical field of medical instruments, and discloses a bone marrow collection device capable of quantitatively sucking, which comprises a storage bin, a suction tube, a suction tube, a suction tube, a suction tube and a suction tube, and is characterized in that the storage bin takes the shape of a hollow cylindrical shell and is used for storing collected bone marrow; the needle head and the storage bin are coaxially arranged, and the end, away from the needle tip, of the needle head extends into the storage cavity; the piston is slidably connected into the storage bin, the peripheral wall of the piston is tightly attached to the inner wall of the storage bin, a pair of push rods is fixed to the end, away from the needle head, of the piston, the other ends of the push rods penetrate through the storage bin and are slidably connected with the storage bin, and the ends, away from the piston, of the push rods are fixed to the push plate; the distance between the pull-back push plate, the push rod and the piston during bone marrow extraction is controlled by controlling and adjusting the distance between the pressing plate and the storage bin, then the amount of the extracted bone marrow is controlled, the purpose of quantitatively collecting the bone marrow is achieved, and the quantitative collection amount can be adjusted.

The utility model discloses a stone mountain shrub grass cluster community investigation quadrat device, which comprises a support column, a quadrat frame, a connecting mechanism and a base, the length of the support column is adjustable, and the connecting mechanism comprises four angle-adjustable three-way pipe sleeves. The included angle between the two-way pipe sleeves in the three-way pipe sleeve is 90 degrees, the two-way pipe sleeves are connected with telescopic quadrat strips to form a square quadrat frame, the included angle between the third-way pipe sleeve in the three-way pipe sleeve and the other two-way pipe sleeves is adjustable, and the third-way pipe sleeve in the three-way pipe sleeve is connected with a supporting column; the base is a square block, a plurality of ground nails are arranged on the square block, and the bottom end of the supporting column can be inserted into the square block. The adjustability of the whole device is increased through the connecting mechanism, the horizontal state of the quadrat frame can be adjusted according to the actual situation of a site, and scientists can conduct field investigation more conveniently; in addition, the size of the quadrat frame can be rapidly and conveniently adjusted, rapid installation and adjustment of the device in practical application are facilitated, and precision and flexibility are high; therefore, the reading is more accurate, and the experiment precision is improved.

The utility model belongs to the technical field of damping vibration attenuation, and particularly relates to a viscous damper structure which comprises a damping cylinder body, a viscoelastic damping body is arranged at the top of the damping cylinder body in a sealing mode, a viscous damping body is filled in the damping cylinder body, and a movable shaft body penetrates through the middle of the viscoelastic damping body. One end of the movable shaft body extends into the viscous damping body and is provided with a movable terminal; the movable shaft body is of a hollow structure and is internally provided with an adjusting shaft, one end of the adjusting shaft is provided with an adjusting disc abutting against the movable terminal, and the movable terminal and the adjusting disc are provided with damping adjusting holes which are aligned in a one-to-one mode. The viscoelastic damping body is made of a pouring type high-damping material, has excellent vibration reduction characteristic, waterproof performance and sealing characteristic and basically has no additional rigidity, and the viscous damping body is made of a liquid type high-damping material, and is excellent in damping function and simple in structure; and meanwhile, the size of the damping adjusting hole in the movable terminal can be adjusted by rotating the adjusting disc, so that the purpose of adjusting the damping is achieved.

The invention discloses a rotary desert automatic planting tracked robot and a working process thereof. The robot comprises a frame, and a cavity is formed in the center of the frame; the driving mechanism is fixedly connected to the lower part of the frame; the trepanning mechanism is fixed to the edge of the vehicle frame, and a drill bit is located outside the vehicle frame and can move downwards till making contact with the ground; the front support is located at the position, close to the punching mechanism, above the frame; the central bracket is positioned above the central hole of the frame; the seedling feeding mechanism is fixed above the front bracket; the seedling planting mechanism is composed of a ball screw and a funnel type seedling planter. The ball screw is fixed to the upper portion of the central support, the lower portion of the ball screw is connected with the sliding block, and the funnel-shaped seedling planter is located under the ball screw. The two earth ramming mechanisms are symmetrically fixed to the positions, on the two sides of the central support, of the lower portion of the frame, and earth ramming pieces point to the seedling planting mechanism; and the irrigation and fertilization mechanism is fixed on the frame and is opposite to the cavity in the center of the frame of the front bracket. The robot can achieve the technical effects of being high in land adaptability, planting in different geologies, flexibly adapting to seedling stems of different lengths and diameters, and liberating manpower through automation in the whole seedling planting process.

The invention relates to an organic-inorganic composite microsphere and a preparation method thereof, and is characterized in that an amphiphilic polylactic acid organic material and inorganic particles are adopted, emulsification is carried out through a surfactant and supergravity equipment to form an S / O / W coated microsphere suspension emulsion, and then separation and freeze drying are carried out to obtain the organic-inorganic composite microsphere. The prepared organic-inorganic composite microsphere material is rich in various active components, can stimulate regeneration of tissue collagen in a more diversified manner as a component of a regenerative injection anti-aging filler, adopts a method for preparing microspheres through supergravity emulsification, and enhances a liquid-liquid heterogeneous micro-mixing process in a supergravity environment, so that the regeneration of the tissue collagen can be promoted, and the regeneration of the tissue collagen can be promoted. The prepared composite microsphere product is better in quality, the particle size distribution of the microspheres is more uniform and concentrated, the size of the microspheres is adjustable in a wide particle size range of 100nm-200mu m, and the method can realize continuous production, is good in stability and is easy to amplify.

The utility model discloses an extrusion device for instant noodles, which relates to the field of extrusion devices and comprises a conveying box, a conveying belt is mounted in the conveying box, a hopper is fixedly mounted at the back of the top end of the conveying box in a penetrating manner, and guide plates are fixedly mounted at the upper ends of the interiors of the front end and the rear end of the hopper. And material extruding rollers are movably installed in the conveying box and located below the two material guiding plates, a material cutting assembly is arranged right in front of the conveying box, an adjusting assembly is installed at the position, close to the front portion, of the top end of the conveying box, the material cutting assembly comprises two supports arranged in parallel, and two material cutting rollers are movably connected between the two supports through rotating shafts. The adjusting assembly is arranged to be matched with the cutting assembly, the thickness of extruded instant noodle materials can be conveniently controlled, meanwhile, the materials are ironed, and the situation that local defects occur after the materials are discharged, and consequently instant noodle lines are fractured in advance when the needed length is not reached in the subsequent cutting process is avoided; and the size of the instant noodle lines in the cutting process can be conveniently adjusted according to requirements.

The invention discloses a reactor cabin structure internal pressure-bending combined load test device and a test method thereof.The device comprises a test module, the test module comprises a test section, a first transition section and a second transition section, and the test section is provided with a first pressure cabin and a second pressure cabin; the internal pressure loading module comprises a water tank and a pressure pump; the bending loading module comprises a first vertical loading mechanism and a second vertical loading mechanism; the bottom supporting module comprises a first supporting mechanism and a second supporting mechanism; and the measuring module comprises a first pressure sensor, a second pressure sensor and a pressure gauge. According to the invention, the internal pressure loading module and the bending loading module are used for simulating the load of the pressure chamber structure under dual accident conditions, the structural response under the condition of superposition of different internal pressure loads and different bending loads is known, and the safety and reliability of a chamber section model of the pressure chamber structure under the accident conditions are analyzed.

The utility model belongs to the field of optical equipment, and particularly relates to an automatic opening and closing device for optical testing, the automatic opening and closing device comprises a shutter device provided with the automatic opening and closing device and a receiving lens, the automatic opening and closing device is arranged on a shutter base through a shutter support, the automatic opening and closing device is provided with a light through hole, and the receiving lens is arranged in the axis direction of the light through hole. The receiving lens is arranged on the lens base through the lens support, the automatic opening and closing device is provided with a shading blade, one end of the shading blade is rotationally connected with the mounting shell, the shading blade shields the light through hole when swinging, and the shading blade swings under the control of the transmission device. By arranging the swinging blades with the magnetic damping devices, swinging of the blades is achieved, so that slits for shading and light passing are automatically formed, and the sizes of the slits are adjusted.

The utility model discloses a ceramic pug mill for ceramic processing, which comprises a pug mill frame, the pug mill frame is used for ceramic pug milling for ceramic processing, a pug mill mechanism is fixedly arranged in the middle of the pug mill frame, a feeding mechanism is fixedly arranged at one end of the top of the pug mill frame, and a discharging adjusting mechanism is fixedly arranged at one end of the pug mill frame. The discharging adjusting mechanism comprises a positioning frame, and a protection frame is fixedly arranged on one side of the positioning frame. The two ends of the outer wall of the positioning lead screw drive the two movable frames to move in a threaded mode respectively, the movable frames drive the limiting frames to slide along the two ends of the protection frame through positioning of the positioning grooves formed in one sides of the movable frames, and the two limiting frames drive the two adjusting frames to move respectively. And the two adjusting frames slide along the two ends of the inner wall of the protection frame, so that the size of extruded clay is adjusted, the discharging convenience of the pug mill is improved, and the waste hidden danger caused by later trimming is reduced.

The invention discloses a cable surface water removal device for high-voltage electric power overhaul, and relates to the field of cable surface water removal, a water removal part comprises a moving ring, an inner cavity of the moving ring is rotatably connected with a central rotating shaft, and an inner cavity of the central rotating shaft is fixedly connected with a driving rod; a water removal shell is fixedly connected to the end, away from the central rotating shaft, of the driving rod, and a replacement mechanism is fixedly connected to the side, away from the driving rod, of the water removal shell. The sponge is extruded by the extrusion rods on the two sides, so that water is discharged, meanwhile, the water pump extracts the extruded water, the extension rod extrudes towards the direction of the sponge, the water in the center of the sponge is treated, the water in the sponge is cleaned more thoroughly, drying agents are arranged in inner cavities of the extrusion rods, and air and the water on the surfaces of the extrusion rods are treated. The heater evaporates a portion of the moisture.