90results about How to "Avoid frictional heat" patented technology

In a fuel injection pump, a tappet is provided on an end thereof on a side of a cam ring with a hollow. Force acting on the tappet from a plunger due to fuel pressure is dispersed to a sliding contact surface outside the hollow so that contact face pressure between the tappet and the cam ring is smaller. As the fuel pressure becomes higher, larger resilient deformation of the tappet causes a diameter of the hollow smaller so that the tappet comes in flat slidable contact with the cam ring, resulting in preventing the contact portion between the tappet and the cam ring from being seized with frictional heat.

The invention relates to an automotive range extender based on a linear ISG(Integrated Starter and Generator) motor / engine. The range extender comprises cylinders, wherein two piston components are arranged and are respectively located in the two cylinders; the two piston components are connected with the two ends of a connecting rod component; a linear displacement sensor and a Hall sensor are arranged on the connecting rod component; a linear ISG motor rotor is arranged in the middle of the connecting rod component; a linear ISG motor stator is fixed between the two cylinders and outside the linear ISG motor rotor; a scavenging air receiver is arranged on the inner sides of the cylinders; a throttle body is connected with the scavenging air receiver; an oil sprayer, a throttle body position sensor and an air flow sensor are arranged on the throttle body in turn; cylinder covers are arranged on the outer sides of the cylinders; spark plugs are arranged on the cylinder covers; and an electric control unit is respectively in electric connection with the linear displacement sensor, the Hall sensor, the throttle body position sensor and the air flow sensor. Compared with the prior art, the automotive range extender based on the linear ISG motor / engine has the advantages at the aspects of energy use efficiency, cost, mechanical structure, use convenience, and the like.

A disclosed preparation method for marinated pig knuckle comprises a step of selecting and finishing materials, a step of kneading and preserving, a step of stewing with a master stock, and a step of marinating, and the above steps are successively performed. The prepared product is uniform in internal and external flavor, stable in quality, uniform in color, rich and durable in fragrance, short in preparation period, less in pie knuckle fluid loss and long in shelf life. The yield of the product is 75% or more. The preparation method is applicable to production of marinated pig knuckle.

The invention discloses a suspension permanent magnetic blood pump. The invention is characterized in that a cavity of the interior of an upper pump cover consists of a perfect circular truncated cone and an upper volute runner cavity, the conical surface of the perfect circular truncated cone is embedded with a suspension permanent magnetic ring, a cavity of the interior of a lower pump cover consists of an inverted circular truncated cone and a lower volute runner cavity, the conical surface of the inverted circular truncated cone is embedded with a suspension permanent magnetic ring, a cylinder-shaped bulge of the middle of the lower pump cover is internally embedded with a magnet coil, a rotor consists of a ring fixed mount and dentation-shaped blades, wherein the perfect conical face section and the inverted conical face section of the external surface of each detation-shaped blade are respectively embedded with a suspension permanent magnetic sheet, and the cylindrical section face of the internal surface of each detation-shaped blade is respectively embedded with a driving permanent magnetic sheet. When in use, blood enters from a pump inlet, passes through the runner between the rotors through the runners between the blades, and flow towards a pump outlet along the volute runners between the upper pump cover and the lower pump cover. The invention can ensure that blood in small gap in the blood pump is timely updated and that the blood pump has less wear, small heat productivity and small power consumption.

A boron-doped diamond coating that is to be disposed on a surface of a body includes a plurality of diamond microcrystal whose crystal grain diameter is substantially not larger than 2 μm, wherein the diamond microcrystal is doped with boron.

In a fuel injection pump, a tappet is provided on an end thereof on a side of a cam ring with a hollow. Force acting on the tappet from a plunger due to fuel pressure is dispersed to a sliding contact surface outside the hollow so that contact face pressure between the tappet and the cam ring is smaller. As the fuel pressure becomes higher, larger resilient deformation of the tappet causes a diameter of the hollow smaller so that the tappet comes in flat slidable contact with the cam ring, resulting in preventing the contact portion between the tappet and the cam ring from being seized with frictional heat.

The invention provides a safety gear of an elevator and belongs to the technical field of elevators. The safety gear of the elevator comprises a speed detection piece, a pressure detection piece, a safety gear body and a controller; a heat radiation piece is arranged on the safety gear body; and the safety gear body comprises a bracket, a first mounting chamber, a second mounting chamber and a motor. According to the safety gear of the elevator, the speed detection piece detects a movement speed of an elevator car, the pressure detection piece detects a surface pressure of a suspension rope, the safety gear body brakes and stops the car on a guide rail, the motor drives a pull rod to move in a first preset direction so that a first wedge block extrudes a second wedge block to move in a direction close to the guide rail by using a rolling needle row, and a heat radiation piece can cool the safety gear body to prevent the safety gear body from being heated due to friction; and therefore,the friction force is prevented from being reduced to over-high temperature so that the safety gear is safely lowered, the heat radiation piece enables the temperature on the safety gear body to be not overhigh so that the safety of the safety gear is enhanced.

The invention relates to the field of anti-theft locks, in particular to a disposable safety seal used for containers and cargo boxes. The disposable safety seal comprises a lock rod and a lock sleeve; a snap spring is arranged in the inner cavity of the lock sleeve; the snap spring is elastically blocked and matched with the inner wall of the lock sleeve; the front end of the lock rod is inserted in the inner cavity of the lock sleeve; and a necking part at the front end of the lock rod is elastically blocked and matched with a bayonet of the snap spring; and the radial size of the rear end of the lock rod and the radial size of the lock sleeve are larger than that of a body of the lock rod. The disposable safety seal is characterized in that: the front end of the inner cavity of the lock sleeve is thick, the rear end is thin, and the middle part is a reducing transition section; the size of the snap spring along the coaxial direction of the lock rod is smaller than the coaxial sizes of the middle part and the front part of the inner cavity of the lock sleeve; the snap spring driven by the lock rod can move front and back in the middle part and front part of the inner cavity of the lock sleeve along the coaxial direction of the lock rod; and the transition section has stronger centering capacity on the snap spring and the lock rod and the function of tightening the snap spring, and can guarantee to clamp the necking part of the lock rod. The seal has high stability and high safety.

The invention relates to a novel fiber placement head, and belongs to the technical field of fiber placement machines. The novel fiber placement head comprises a yarn box and a fiber placement head floating mechanism, wherein two linear guide rails are arranged on the yarn box in parallel; sliding blocks are mounted on the fiber placement head floating mechanism; the fiber placement head floatingmechanism is used in match with the linear guide rails through the sliding blocks; one end of a compaction air cylinder is connected with the yarn box while the other end of the compaction air cylinder is connected with the fiber placement head floating mechanism; the fiber placement head floating mechanism is driven by the compaction air cylinder to be slid on the linear guide rails. According tothe yarn box disclosed by the invention, paying-off of yarns of four groups of prepreg rolls, that is, eight prepreg rolls can be realized simultaneously and cannot interfere with each other; two mounting plates which are parallel to each other are arranged on the left side and the right side of a U-shaped connecting plate; and two yarn paying-off film-collecting mechanisms are arranged on each of the mounting plates. Due to the arrangement, the whole size of the yarn box is greatly reduced, so that the phenomenon that interference between a concave curved surface and a die occurs when the concave curved surface with a narrow space can be prevented. According to the novel fiber placement head disclosed by the invention, a novel filament bundle actuation device is adopted, so that a wrapangle of the fiber placement head is reduced, and the technical problem of lack of accessibility is further solved.

The invention relates to a low-temperature high-efficiency machining method of an amorphous alloy. The low-temperature high-efficiency machining method of the amorphous alloy comprises the following steps that (1) an amorphous alloy workpiece is fixed to a working platform of a machining machine tool; (2) a tool is mounted and clamped to determine an origin of machining; (3) a low-temperature nozzle is fixed to a main shaft of the machine tool, the nozzle is aligned with the edge part of the tool, and the distance between the nozzle and the tool cutting edge is 5-40mm; (4) cooling and lubrication parameters of low-temperature cooling and lubrication equipment are set, the low-temperature cooling and lubrication equipment is started, and the nozzle is enabled to spray a small amount of lubricating medium and cooling gas to the tool and the amorphous alloy workpiece; and (5) when the temperature at the nozzle reaches a preset temperature range, the cutting speed, feeding speed and back engagement of the cutting edge of the machining machine tool which are matched with the cooling and lubrication parameters are set, and the machining machine tool is started to perform machining on thealloy workpiece. On the premise that the machining temperature being lower than the crystallization temperature of the alloy is ensured, the crystallization behavior of a material is avoided, the amorphous machining surface with high quality is obtained, and the high efficiency machining of the amorphous alloy is realized.

The invention relates to a fiber bundle tension reducing mechanism for an automatic fiber placing machine, and belongs to the technical field of fiber placing machines. The mechanism is characterizedin that a pressing wheel assembly is arranged on the upper end surface of a base, the two ends of a guiding wheel assembly are connected with supporting plates, the upper ends of the supporting platesare provided with a middle wheel assembly, the middle wheel assembly is provided with a friction wheel assembly, the friction wheel assembly is matched with the middle wheel assembly for power transmission, and tension reducing motor assemblies are arranged on the side walls of the supporting plates and are used for providing power for the friction wheel assembly. According to the mechanism, in order to reduce the tension of a prepreg in the automatic fiber placing process so as to realize complex curved surface laying, a tension reducing mechanism is additionally arranged in a fiber placinghead, so that the fiber tension at a pressure roller is reduced; and a middle wheel can float up and down, when the middle wheel does not work, namely a pressing wheel does not need to press a carbonfiber, the middle wheel can fall down due to gravity, but due to the limiting of a floating baffle plate, the falling distance of the middle wheel is only used for the middle wheel to be separated from a friction wheel, so that accidents are effectively prevented.

The invention discloses a mixed type passive suspended centrifugal blood pump. A shell cavity body consists of a positively cylindrical cavity and an inversely cylindrical cavity, wherein the positively cylindrical conical surface is embedded with a suspended permanently magnetic ring, and the inversely cylindrical conical surface is embedded with an electromagnetic coil; an inverse cone-shaped circular ring at the lower end of a rotor is embedded with a driving permanently magnetic ring, an upper part and a lower part of an outer surface of the inverse cone-shaped circular ring are provided with a spiral flow guiding groove respectively, and an inner surface of the inverse cone-shaped circular ring is provided with two inverse cone-shaped spiral guiding blades at equal intervals along the circumferential direction; and the upper end of the rotor is provided with cone-shaped circular ring segments at equal intervals along the circumferential direction, and each cone-shaped circular ring segment is embedded with a suspended permanently magnetic plate. When the blood pump works, the blood flows in from an entrance, and flows to an exit through the spiral guiding blades and the central holes of the spiral guiding blades, and a small part of blood at the exist flows through a gap between the rotor and the inner surface of the shell and the space between the cone-shaped circular ring segments and joins the blood at the entrance under the action of the pressure difference between the entrance and the exit and the upward spiral flow guiding groove and the down ward spiral flow guiding groove on the outer surface of the rotor. The blood pump has the advantages of less abrasion, less heat production and lower energy consumption.

The invention discloses a device for forming curved or welded grooves on cutting blades. A pair of fixed blocks are formed on the base of the cutting blade former. A slide block is slidably connected to each fixed block, and a broach supporting block is slidably connected to the slide block. The slide block and broach support block are respectively operated by first and second operating mechanisms. The first to fourth guide parts are formed on the fixed block, the slide block and the broach support block to form a dovetail connection. The first guide part of the fixed block and the second guide part of the slider are formed with inclined surfaces so that they move horizontally close to each other when the slider is lowered. The lower portion of the broach is formed as a support surface, and at least one broaching edge portion is formed over the support surface portion.

The invention discloses a series motor water-cooling structure comprising a motor rotor, a stator, a commutator, and a cooling pipe. The cooing pipe is mainly composed of two mutually-communicated parts, namely, a part near the outer surface of the commutator and a part adhered to the outer surface of the stator. A water inlet and a water outlet of the cooling pipe are respectively disposed at the two sides of a motor shell. By adopting the device, the size of a fan is reduced, the air volume is reduced, the defect of motor air-cooling is overcome, a series motor can be cooled effectively, and a high-power series motor is made possible.

The invention discloses a powder coating closed circulation pulverizer unit. The powder coating closed circulation pulverizer unit comprises a pulverizer, a cyclone separation unit, a bag dust collector and an induced draught fan which are connected in sequence, wherein the dust collector unit further comprises an evaporator arranged behind the induced draught fan; the evaporator is externally connected with a refrigerating compressor unit and communicates with the pulverizer; the evaporator also communicates with a tablet compressing cooling crusher in front of the pulverizer. Through the arrangement, gas and dust both circulate in pulverizer equipment or are collected by the dust collector for reutilization, so that atmospheric pollution is avoided, the utilization rate of raw materials is high. Through the additional arrangement of the refrigerating compressor unit, the temperature in the whole circulation can be lowered, the temperature of the pulverizer can be lowered, lasting rising of the temperature in the pulverizer is avoided, and the quality of produced coating is guaranteed.

The invention discloses a jacking apparatus specially used for electric reactor pillar porcelain insulator replacement. The apparatus comprises a support chassis, a combined hydraulic pump, hydraulic jacking cylinders, a plurality of pairs of supporting rods distributed up and down and having hinged middle portions, and a jacking platform, the support chassis is provided with the combined hydraulic pump connected with the hydraulic jacking cylinder, end portions of every pair of adjacent support rods are mutually hinged, the upper ends of the top pair of supporting rods are respectively provided with fixed blocks, a position between the bottom pair of the supporting rods and the support chassis is provided with the hydraulic jacking cylinders connected with the bottom pair of the supporting rods and the support chassis, the upper surface of each of the fixed blocks and the lower surface of the jacking platform are correspondingly provided with screw holes, screws are arranged between each of the fixed blocks and the jacking platform, and the jacking platform is provided with an insulation rubber layer and a damping layer. The apparatus has the advantages of use convenience, large bearing force, high safety coefficient and long service life.

The invention discloses an overall four-point contact ball bearing with a seal. The overall four-point contact ball bearing comprises an outer ring, an inner ring, a steel ball, a retainer, a retainer ring, a sealing ring and a screw, wherein a contact angle of the bearing is 45 degrees; the bearing has a negative play; steps are arranged in two end faces of the outer ring; screw holes connected with the retainer ring are uniformly formed in the circumference of each stepped surface; outer ring roller paths (8) with the same diameters and curvatures are formed in the circumference of the inner wall of the outer ring; sealing grooves are respectively formed in two flanges of the inner ring; the labyrinth seal is formed between the two flanges of the inner ring and the inner diameters of the two retainer rings; oil holes are formed in the inner diameter surface of the inner ring; inner ring roller paths opposite to the outer ring roller paths are formed in the circumference of the outer wall of the outer ring. The overall four-point contact ball bearing has the characteristics of being compact in structure, high in reliability, high in sealing performance, good in mounting performance, free from maintenance and the like, can simultaneously bear high axial and radial combined loads, and is high in upsetting moment and wide in service condition range.

The invention discloses a sandwiched sausage comprising an outer skin and an inner filling. The outer skin is prepared from the following raw materials by weight: 60 to 100 parts of pork, 1.5 to 3.5 parts of salt, 0.015 part of nitrite, 2 to 6 parts of white sugar, 0.1 to 0.4 part of pepper powder, 1 to 6 parts of soy protein isolate, 5 to 10 parts of starch, 10 to 40 parts of water, 4 to 10 partsof egg white, 0.02 part of monascus color, and 10-25 parts of pork fat; and the filling is a fluid or semi-fluid filling. The invention also discloses a preparation method of the sandwiched sausage.The sandwiched sausage of the invention has the characteristics of rich flavor and low production cost.

The invention discloses an oil-free lubrication plunger pump. The pump comprises a valve body and a plunger, wherein a plunger chamber, a water storage chamber and a water inlet chamber are formed inside the valve body; the plunger chamber is provided with a water inlet and a water outlet; the water outlet is provided with a water outlet one-way valve; the water storage chamber is provided with a water inlet, a communication hole communicated with the water inlet chamber, a plunger hole communicated with the plunger chamber and a plunger mounting hole communicated with the exterior of the valve body; the water inlet chamber is positioned on the lower part of the plunger chamber and communicated with the plunger chamber through the water inlet; the water inlet one-way valve is arranged inside the water inlet chamber; the head of the plunger is positioned inside the plunger chamber; the middle of the plunger is positioned inside the water storage chamber through the plunger hole; and the tail of the plunger is extended out of the valve body through the plunger mounting hole to be connected with a power system. The oil-free lubrication plunger pump solves the problem of an oil lubrication plunger pump and has the characteristics of convenient use, good heat dissipation effect and cleanness and no pollution; and moreover, the plunger of the oil-free lubrication plunger pump performs lubrication and temperature reduction directly through conveying liquid.

The invention discloses a porous part boring method and equipment of the porous part boring method. The method comprises the step of boring a porous part by using a horizontal boring mill. The method is characterized in that boring templates positioned at both ends of a boring rod are used for positioning the boring rod; and the boring rod drives guide sleeves of bearings inside the boring templates to rotate and moves horizontally in the guide sleeves at the same time during the cutting process. The boring equipment for the porous part comprises a horizontal-type special multi-shaft boring mill, the boring rod and the boring templates. The boring equipment is characterized in that the bearings are arranged in the boring templates; the rotary guide sleeves are embedded into inner holes in the inner circles of the bearings; and transition fit is formed between the outer circle of the boring rod and the inner diameter of each rotary guide sleeve. The method has the advantages that the positioning of the boring rod is accurate, and the rotary guide sleeves guide the boring rod in a rotating manner during the boring process, so that the temperature rise caused by the friction of the boring rod is avoided, and the machining precision and the production efficiency are improved.

The invention discloses an air bag type tire burst safety system, which comprises a wheel and a tire mounted on the wheel. The wheel comprises a rim and a plurality of spokes. The system further comprises an anti-bursting air bag, a high-pressure air cylinder, an air cylinder valve, an air guide pipe, a controller and a sensor, and the sensor is used for judging whether the tire is flat or not. The anti-bursting air bag is in a hollow ring shape and is fixedly mounted in a folding state on the outer periphery of a hub and positioned in the tire. The air cylinder valve is mounted at an outlet of the high-pressure air cylinder. The air guide pipe is communicated with the high-pressure air cylinder and the anti-bursting air bag. After tire bursting is detected by the sensor, the controller turns on the air cylinder valve, the anti-bursting air bag is filled with air in the high-pressure air cylinder through the air guide pipe to support the wheel to continue running normally. The air bagtype tire burst safety system has advantages of simple structure, reasonable design, simplicity in manufacturing and low manufacturing cost.

The invention relates to the technical field of sun-shading fabrics, in particular to a zero-opening light-tight polymer composite sun-shading fabric and a preparation process thereof. The zero-opening light-tight polymer composite sun-shading fabric comprises warp yarns and weft yarns used for weaving a fabric with a compact void-free structure, wherein the warp yarns comprise warp cores and warpelastic coating layer coating the warp cores; the weft yarns comprise weft cores and weft elastic coating layers coating the weft cores; the density of the weft yarns is 16-23 yarns / cm; and the warpelastic coating layers and the weft elastic coating layers both comprise polyvinyl chloride resin powder with a polymerization degree of 1000-1100, extinction polyvinyl chloride resin powder, an ultraviolet absorbent, a toner and the rest of auxiliary agents. The zero-opening light-tight polymer composite sun-shading fabric has better toughness, enables the warp yarns and weft yarns to be tighterin the weaving process to form a zero-opening structure, is not easy to deform after long-term use, is still tight between the warp yarns and the weft yarns due to external force breakage, has extremely high structural stability and opaque function, is durable, and does not have multiple defects of coatings, so that the fabric has a wide application prospect.

The invention provides a petroleum-based storage device. The petroleum-based storage device includes a base, a shell and a cooling device. The bottom of the shell is fixed to the top of the base, a feed chute is disposed at the top of the shell, and a filter plate is arranged in the feed chute. The bottom of the cooling device is fixed to the top of the shell, and the cooling device is located onthe right side of the feed chute. The cooling device includes an air cooler. According to the petroleum-based storage device, due to the limitation of a moving platen, petroleum cannot be shaken violently, petroleum transportation is more stable, and the petroleum is prevented from heat generation by friction by a large margin to increase potential safety hazards; the air cooler continuously blowscold air into the shell, so that the petroleum is in a low-temperature state, the continuously blown cold air can cause the internal pressure of the shell to be too high, by starting a second motor,an exhaust port is intermittently exposed for exhaust, and a low-temperature storage environment for the petroleum is ensured.

The invention discloses a magnetic fluid coupling passive suspension type double-suction centrifugal blood pump. The magnetic fluid coupling passive suspension type double-suction centrifugal blood pump is characterized in that a rotor provided with impellers and a threaded groove is embedded into a volute cavity provided with two inlets, the shapes of the inlets become wider from narrow, suspension permanent magnet sheets are mounted at two ends of the rotor, and suspension permanent magnet rings are arranged in a volute. The rotor adopts a conical outer surface, and an equal-pitch thread groove is formed in the outer surface; the impellers are mounted on the rotor and integrally connected; blood flows into the volute cavity through the inlets in the two sides of the volute, a rotating magnetic field is generated after a motor coil is powered on, the suspended permanent magnetic sheets in the rotor are driven to rotate, the impellers are driven to rotate, the blood flows out of an outlet of the volute, and the outer surface of the conical rotor and the threaded groove jointly achieve the effect of draining the blood; and static pressure supporting force is provided for suspensionof the rotor by a blood film in the gap of the impellers and the inner wall of the volute, permanent magnet suspension and hydraulic static pressure support jointly guarantee that the rotor is suspended in the volute, and adverse factors such as abrasion and frictional heating between the rotor and the volute are reduced. The magnetic fluid coupling passive suspension type double-suction centrifugal blood pump is compact in structure, high in efficiency, large in flow and small in axial force, energy consumption of the blood pump is reduced, and development of the blood pump to the fourth-generation non-contact bearing type artificial heart is facilitated.

The invention discloses a gas filled tank load switch fuse-combination unit mechanism. The gas filled tank load switch fuse-combination unit mechanism comprises a front plate, a rear plate, a closingspring, a motor and a switch-on and switch-off cam welding wire outlet mechanism. The front plate and the rear plate are separately arranged at the two ends of the mechanism, and the front plate and the rear plate are arranged in parallel. The gas filled tank load switch fuse-combination unit mechanism has the beneficial effects that a mechanism transmission mode is changed by the gas filled tankload switch fuse-combination unit mechanism, the mechanism transmission structure is optimized, good transmission property of the mechanism is ensured, and transmission operation is accurate and stable; a hexagonal shaft, a positioning shaft, a shaft III, a shaft IV and a shaft V are arranged between the front plate and the rear plate and perpendicularly penetrate through the front plate and the rear plate, and the strength and firmness of the integral mechanism during working are improved; shaft bodies are protectively isolated by shaft sleeves, friction and collision of the shaft bodies arerelieved, and the service lives of the shaft bodies are prolonged; and the electrical mechanism is high in sensitivity during working, is firm and durable, has good social benefit, and is suitable forbeing popularized and used.

The invention discloses a rubber assembly fixing device applied to a motor. The rubber assembly fixing device comprises a motor, a rubber assembly and a plurality of insertion shafts, wherein the rubber assembly is arranged on the motor; the plurality of insertion shafts are inserted into the rubber assembly; a drive shaft is rotationally connected onto the motor; the rubber assembly is connectedonto the drive shaft in a sleeving manner; clamping grooves are formed in the motor; one ends of the insertion shafts are inserted into the clamping grooves; fixing sleeves are fixedly connected ontothe insertion shafts; movable plates are symmetrically arranged on two sides of the insertion shafts; the movable plates are rotationally connected with an arc-shaped shaft; one end of the arc-shapedshaft is rotationally connected with the fixing sleeves. The rubber assembly fixing device disclosed by the invention is simple in structure; due to mutual match of the insertion shafts, the fixing sleeves and the clamping shaft, the position of the rubber assembly can be fixed, the phenomenon that rotation of the drive shaft is obstructed due to optional movement is avoided, the resistance is efficiently reduced, and unnecessary friction heat is avoided, so that the rubber assembly fixing device applied to the motor is provided for a user.

The invention relates to a natural gas or hydrogen filling system and filling method. The natural gas or hydrogen filling system comprises a multi-stage gas pressure gas filling tank, a mixed gas filling pipeline, a pre-cooler, a gas filling machine and a movable expansion joint, wherein the multi-stage gas pressure gas filling tank comprises a plurality of gas storage tanks; each gas storage tankis provided with an output pipeline and a control valve; the output pipelines of the multi-stage gas pressure gas filling tank are gathered in the mixed gas filling pipeline; the mixed gas filling pipeline is connected with the pre-cooler, the gas filling machine and the movable expansion joint in sequence; the pre-cooler is a heat exchanger arranged on the mixed gas filling pipeline; the pre-cooler is connected with the gas filling machine; the mixed gas filling pipeline is connected with the gas filling machine through the pre-cooler; a final connector of the gas filling machine is connected to the movable expansion joint; the movable expansion joint is used for being matched with a cylinder valve on a gas storage cylinder on a passenger car; and the internal diameter of the movable expansion joint is 8-40 mm. An 'offset+inhibition' temperature control mechanism is adopted, the throat limitation is eliminated, and the filling temperature is effectively controlled.

The invention discloses an independent front suspension with a transversely arranged steel plate spring. The independent front suspension with the transversely arranged steel plate spring comprises a left front shock absorber and a right front shock absorber both provided with a limiting block, left and right steering knuckles, a steel plate spring, and a steady rod component, wherein left and right lower swing arms are respectively connected with the left and right steering knuckles through lower swing arm ball pins; the transversely arranged steel plate spring is composed of two transversely arranged upper and lower steel plate springs with variable cross-sections; the middle part of the steel plate spring is connected with a car body; the central line of the steel plate spring is consistent with an X-direction of a wheel center of a wheel; two ends of the steel plate spring are connected with the left and right lower swing arms through a vulcanized rubber component; the shock absorbers are arranged vertically in a front view of a car, inclined backwards in a side view thereof and have an included angle alpha of 2-4 degrees with the axial line. The independent front suspension, disclosed by the invention, has the advantages of compact arrangement, rational structure, relatively low manufacturing and processing cost; the transversely arranged steel plate spring is mutually matched with a single-angle shock absorber, so that the car can achieve relatively ideal comfort level in any load state, good operational stability of a McPherson suspension is continued, and internal space of the car is further maximized; and obvious improvements in the aspects of overall performances, cost and the like are achieved.

The invention discloses a formula of compound bearded-tooth-mushroom walnut powder and a preparation method of compound bearded-tooth-mushroom walnut powder. The compound bearded-tooth-mushroom walnutpowder is composed of bearded tooth mushroom powder, soybean powder, walnut powder, peanut powder, linolenic acid, soybean phospholipids, maltodextrin, skimmed milk powder, white granulated sugar, glucose, vitamin B complex, vitamin E, vitamin C and dietary fiber; and thus, the compound bearded-tooth-mushroom walnut powder is refreshing, fine and smooth in taste. The formula of the compound bearded-tooth-mushroom walnut powder disclosed by the invention fully utilizes nutrients of the bearded tooth mushrooms, the walnuts, the soybeans, the peanuts and the linolenic acid, as well as a plurality of vitamins, so as to enhance adjustment of the nutrients of the compound bearded-tooth-mushroom walnut powder on body functions; and the compound bearded-tooth-mushroom walnut powder has the effects of strengthening the stomach, nourishing the blood, moistening the lungs, attaining mental tranquility, resisting cancer and so on, and is capable of improving body health. In addition, being subjected to processing on basis of a production technology, the formula of the compound bearded-tooth-mushroom walnut powder disclosed by the invention is capable of improving water solubility of the raw materials, as well as increasing active ingredient content.