87results about How to "Resolve vulnerable" patented technology

The invention provides an air conditioner air outlet structure and an air conditioner. The air conditioner air outlet structure comprises an air channel provided with at least two air outlets, a fan blade arranged in the air coming direction of the air channel, and at least two air baffles; the at least two air baffles are used for blocking coming air from passing through, movably arranged in the air channel and positioned between the fan blade and the air outlets. As the air baffles are arranged in the air channel between the fan blade and the air outlets, the air baffles can be used for blocking air outputting of at least one air outlet through the movement of the air baffles, the coming air is blown out through other air outlets, the air outlet condition of each air outlet is independently controlled, energy loss, airflow turbulence in the air channel and airflow vortex are effectively avoided, the noise and the vibration of the air conditioner air outlet structure are reduced and the integral performance and the heat exchange effect of the air conditioner are guaranteed.

The invention relates to a high-accuracy intelligent electric control system of a dry mix mortar production line. The system is composed of a powder distribution system, a sand distribution system, a weighing system, a mixing agitator, a dust collecting system and a finished product assembling system. Due to the fact that the powder distribution system in the system is connected with a thermorelay, a contactor and a frequency converter, the problem that in the traditional method, it is difficult to control the material accuracy is solved, and meanwhile the running condition of a motor on site can be monitored; by means of the arrangement of the dust collecting system, the dust pollution in the production process of dry mix mortar is greatly reduced, meanwhile, according to the dust collecting system, by adopting the control mode that a motor protector is connected with the contactor, the current can be adjusted, the space of an electric control cabinet is saved, the control mode of soft start is adopted by the mixing agitator, the starting mode of the mixing agitator is changed into soft start, trip is prevented on account of overcurrent when the mixing agitator starts, and the problem that hardware is prone to damage when a traditional tri-star start mode starts frequently is solved.

The invention relates to batteries, in particular to lithium ion batteries, and aims to solve the problems that the conventional flexible package polymer lithium ion battery is likely to be damaged to cause safety accidents, and the output pole ends can crack under the harsh mechanical environment such as vibration and impact of a plane. The high capacity power lithium ion battery for aviation, provided by the invention, comprises a battery case and a small capacity power lithium ion battery, wherein the small capacity power lithium ion battery is positioned inside the battery case, and a gap is formed in the battery case, and filled with a joint mixture. The applicability to batteries is facilitated.

The invention discloses a slit suction nozzle structure for dust collectors, which belongs to a suction nozzle for dust collectors with an adjustable fixed brush. The slit suction nozzle structure comprises a splicing part of a circular pipe orifice and a slit suction nozzle, wherein the two side walls of the slit suction nozzle are narrowed so as to form a slide channel; evaginable surfaces on a same plane are formed at the front port of a sleeve, upper and lower evaginable surfaces on a nozzle opening are respectively provided with antistatic materials, and the front port of the sleeve (moving along the slide channel) on the slit suction nozzle is provided with a roll-over brush. In the invention designed as above, on the basis of the function of an original slit suction nozzle, the sleeve moving along the slide channel and the integral roll-over brush not only can loose harder dust, but also the brush subjected to rolling is more beneficial for the storage of the sleeve so as to avoid the sleeve from being damaged; and because the evaginable surfaces on the front port of the sleeve are respectively provided with antistatic materials, an operation that the static electricity of dust with static electricity can be eliminated successfully and then the dust is sucked into the slit suction nozzle can be ensured, thereby achieving the integration and conversion of functions of the slit suction nozzle, the brush and static electricity elimination.

The invention relates to the field of oil and gas well cementing, and relates to a high-temperature magnesium oxychloride thermosetting resin gel system as well as a solidified body and preparation method of the system. The high-temperature magnesium oxychloride thermosetting resin gel system comprises an epoxy resin emulsion, an epoxy resin curing agent, a magnesium oxychloride skeleton materialand a high-temperature adjustable solidification agent, wherein the epoxy resin emulsion is at least one selected from the group consisting of glycidyl ether type epoxy resin, glycidyl ester type epoxy resin, cycloaliphatic type epoxy resin, glycidyl amine type epoxy resin, and linear aliphatic type epoxy resin; and the epoxy resin curing agent is at least one selected from the group consisting ofan anhydride, a carboxylic acid, an amine compound, a phenol compound, and a polyhydric alcohol. The high-temperature magnesium oxychloride thermosetting resin gel system provided by the invention can be cross-linked and cured to form an organic polymer material with a three-dimensional net-shaped structure under the conditions of heating, pressing and the like, and realizes annulus long-term sealing performance of cementing cement in the high-temperature environment of 90-120 DEG C relying on the advantages of excellent heat resistance, good compressive strength and toughness, excellent adhesion and the like.

The invention discloses a shock absorption base for a mining machine. The shock absorption base for the mining machine comprises a containing plate body. A containing groove is formed in the upper surface of the containing plate body. The lower surface of the containing plate body is fixedly connected with sleeves. The number of the sleeves is two. The two sleeves are distributed on the lower surface of the containing plate body and symmetric about the central axis of the containing plate body. The sleeves are movably sleeved with annular sleeves. The bottoms of the annular sleeves are fixedlyconnected with a bearing plate. The upper surface of the bearing plate is fixedly connected with pressure springs. The pressure springs are arranged in the annular sleeves. The tops of the pressure springs are fixedly connected with baffles. The upper surfaces of the baffles are fixedly connected with connecting rods. The tops of the connecting rods are fixedly connected with the lower surfaces of the sleeves. By arranging the sleeves, the pressure springs, an elastic plate, an upper shell, a lower shell and shock absorption springs, the shock absorption base solves the problem that shock absorption cushions are easy to damage due to the bad working environment of mining equipment and consequently the shock absorption effect is influenced.

The invention discloses an independent guide mechanism used for a road-rail motor tractor. The independent guide mechanism used for the road-rail motor tractor comprises a U-type rack, a guiding device, a hydraulic oil cylinder assembly and a guiding wheel assembly, wherein the guiding device and the hydraulic oil cylinder assembly are arranged in a triangle shape, the upper end of the guiding device is installed on the U-type rack, one end of the hydraulic oil cylinder assembly is connected to the U-type rack, the other end of the hydraulic oil cylinder assembly is connected to the guiding device, and the guiding wheel assembly is arranged on the lower portion of the guiding device. The independent guide mechanism is simple in whole structure, capable of bearing large alternating torque, high in lifting accuracy and convenient to maintain, and effectively overcomes the defects that an existing guide mechanism of the road-rail motor tractor is prone to being damaged, cumbersome in structure and not accurate enough in lifting distance.

The invention relates to the technical field of environmental monitoring, in particular to an atmospheric sampling instrument for environmental monitoring. The atmospheric sampling instrument for environmental monitoring comprises a shell, supporting plates, a sampling instrument body and a movable cover, wherein the bottom of the shell is fixedly connected with the supporting plates; a fixed plate is arranged below the shell; a telescoping mechanism is installed in the interior of the shell; the top of the telescoping mechanism is fixedly connected with the sampling instrument body; lead screws penetrate through the side walls of the shell; a sleeve sleeves the end part of each lead screw; the end of each sleeve is fixedly connected with a clamping plate; buffer springs are distributed onthe surface of each clamping plate; the end parts of the buffer springs on each clamping plate are fixedly connected with a buffer plate; the upper surface of the fixed plate is fixedly connected with a double-shaft motor; the shaft extending ends of the double-shaft motor are fixedly connected with driving shafts; and a moving mechanism is installed at the bottom of the fixed plate. According tothe atmospheric sampling instrument for environmental monitoring, after the sampling operation is finished, the sampling instrument body returns to the shell again, and the double-shaft motor is usedfor driving the clamping plates to move transversely, so that the buffer plates abut against the side walls of the sampling instrument body to clamp the sampling instrument body tightly, and the sampling instrument body is kept stable.

The invention discloses a nursing breeding method for young loaches. The nursing breeding method includes the steps that 1, a proper young loach breeding pond is selected, water entering and water draining are convenient, and the area should range from 3 mu to 5 mu; 2, the loach breeding pond is divided into regions, wherein the area of the nursing region accounts for one third of the total area of the breeding pond, and the area of the bait organism breeding region accounts for two thirds of the total area of the breeding pond; 3, cement hardening is carried out on the nursing region, wherein cement hardening is carried out on the pond bottom and the protection slope of the nursing region; 4, the pond is cleaned and sterilized, sterilizing is carried out through bleaching powder at the time five days before the young loaches are put into the pond, and trash fishes, roes, aquatic insects, frog eggs and the like in the young loach pond are eliminated; 5, fresh water is injected after pond cleaning, the water depth is required to be 50 cm, and organic fertilizers are applied after water injecting to breed bait organisms; 6, the young loaches are put into the pond and put into the nursing region; 7, blocking nets are removed at the time two weeks after the young loaches are put into the pond, and the young loaches are distributed to the whole breeding pond; 8, the loaches are trained to eat artificial feed after the young loaches are bred for one month, and the adult loach breeding stage starts. The method is easy to implement and easy and convenient to operate, the loaches can safely live through the weakest external gill stage, and the breeding survival rate of the young loaches is remarkably increased.

The invention relates to the field of geotextile and in particular relates to multilayer geotextile synchronous combination forming equipment which comprises a bracket as well as a feeding component,a gluing component, a combination component, a heating component and a trimming component, wherein the feeding component is arranged above the bracket; the gluing component is arranged at the top of the bracket; the combination component is arranged on one side of the gluing component; the heating component is arranged on one side far away from the gluing component, of the combination component; the trimming component is arranged on one side far away from the combination component, of the heating component; the feeding component comprises a first feeding mechanism, a second feeding mechanism,a third feeding mechanism and a transmission mechanism; the gluing component comprises a first gluing mechanism and a second gluing mechanism; and the feeding component, the gluing component, the combination component, the heating component and the trimming component are arranged in sequence in a straight line along the length direction of the bracket. By adopting the equipment, the problem that single-layer geotextile is easily damaged can be solved, the pressure resistance of the geotextile can be improved, and the working efficiency can be improved.

The invention relates to the technical field of plastic valves, and particularly relates to a bidirectional non-return plastic valve. The bidirectional non-return plastic valve comprises a valve body,wherein a shell is arranged at the upper end of the valve body; a filtering cavity is formed in the lower end of the valve body; a main hand wheel is arranged in the middle of the upper end of the shell; a first auxiliary hand wheel and a second auxiliary hand wheel are correspondingly arranged at the two ends of the shell and positioned on the two sides of the main hand wheel; an adjusting handwheel is arranged at the joint of the middle of one side of the valve body and the filtering cavity; a first auxiliary gear is arranged at the position, corresponding to the first auxiliary hand wheel, in the shell; and a main gear is arranged at the position, corresponding to the main hand wheel, in the shell. According to the bidirectional non-return plastic valve, bidirectional synchronous non-return of the valve is realized, the purpose of rapid closure is achieved, and the problem that the opening and closing of the valve are influenced due to the fact that the opening and closing hand wheel of the valve is prone to damage during long-term use is solved; and the valve body is provided with a controllable water filtering treatment function, so that the water quality in a pipeline is improved, and the valve not only realizes the bidirectional non-return function, but also has the water filtering effect.

The invention discloses a landing method of a celestial landing car. The landing car is jointed with the air parachute that inflates and opens after landing can breaking away the rocket; the parachute breaks away the landing car as the car landing on the surface of the celestial body. The parachute has the sandwich layer structure that expands after air inflation. The invention solves the problem of easily damage of the landing car, the long landing time and the complex landing process. The invention has the simple principle, and the parachute will not cover the landing car or block the route of the car so as to ensure the favoring space exploration.

The invention discloses air suction type laptop dust collection equipment and method. The equipment comprises a machine body, wherein the front side of the machine body is provided with a movable door, the inner portion, corresponding to the movable door, of the machine body is provided with a first induced draft fan and a second induced draft fan, the two sides of the movable door are provided with movable slots, the inner portions of the two movable slots are provided with a first filter and a second filter respectively, the first filter, the first induced draft fan, the second induced draftfan and the second filter are connected in sequence through an induced air pipeline, and the two sides of the machine body are provided with induced air hard pipes. The air suction type laptop dust collection equipment and method have the advantages that two hole sealing parts are clamped at the outer sides of exhaust ports at the two sides of a laptop respectively, and the first induced draft fan and the second induced draft fan work alternatively, thereby achieving forward and reverse air draft; through the cooperative use of the first filter and the second filter, the dust in the laptop iscompletely removed, heat dissipation is carried out on a heating element in the laptop during dust removal, the novel dust collection equipment is in use regularly, and the difficult-to-clean dust cannot be hidden.

The invention discloses a novel wear-resistant sinking roll, and relates to the technical field of heat treatment equipment. The novel wear-resistant sinking roll comprises a roller assembly. Roller shaft assemblies are arranged at the two ends of the roller assembly, and locking assemblies are arranged on the outer sides of the roller shaft assemblies. The roller assembly comprises a sinking roller, wherein locking grooves are formed in the inner surface of the sinking roller at intervals, positioning screw grooves are formed in the side face of the sinking roller, and a wear-resistant layeris fixedly arranged on the outer surface of the sinking roller. Each roller shaft assembly comprises a sinking roller shaft and a positioning disc arranged on the outer side of the sinking roller shaft, wherein the positioning disc is in threaded connection with a positioning bolt. Locking sleeve rods are pulled to drive locking sliding blocks to slide and extend out through transmission framed, so that the locking sliding blocks are cooperatively inserted into the locking grooves, the positioning discs can play a supporting role on the sinking roller, the overall structural strength of the sinking roll can be improved, the sinking roll is prevented from being damaged easily, and the service life of the sinking roll is prolonged; and the wear resistance of the sinking roller can be improved through the wear-resistant layer.

The invention relates to a titanium-steel composite adapter tube, and further relates to equipment for adopting the composite adapter tube. The composite adapter tube comprises a steel adapter tube body, a titanium bushing and a titanium bowl-shaped angle joint ring, wherein the bushing is sleeved in an adapter tube body, the bowl-shaped angle joint ring comprises an angle joint ring tube part, which is laminated with an inner wall of the adapter tube body, and an angle joint ring loop part, which is laminated with an end face of the bottom end of the adapter tube body; the composite adapter tube is adopted by the equipment, the bottom end of the composite adapter tube is welded on a hole wall of an adapter tube hole of an equipment body, the angle joint ring loop part of the bowl-shaped angle joint ring stretches to an inner side of an inner wall of the equipment body around the adapter tube hole and is laminated with the inner wall of the equipment body. The titanium-steel compositeadapter tube can be used for reducing or eliminating a phenomenon that the stress at a welding position between an adapter tube titanium bushing and a titanium backing ring of the equipment body is excessively concentrated, the cracks of welding seams are reduced or avoided, and the titanium-steel composite adapter tube can be widely applied to titanium-steel composite board petrochemical equipment with an external adapter tube and a flange.

The invention discloses a multifunctional solar cell panel capable of being folded and shrunk. The multifunctional solar cell panel capable of being folded and shrunk comprises a rectangular box body;a shrinkage device is arranged over the rectangular box body; the shrinkage device is composed of a first rectangular opening, a first rotary motor, a first bearing, a threaded shaft, a rectangular sliding groove, a movable block, a second bearing, a circular drum, a toothed ring, a second rotary motor, a driving wheel, a first telescopic motor, a first stepping motor, a first battery panel, a second stepping motor, a second battery panel, a small groove, a second telescopic motor and a rainwater collecting device together; a control box body is arranged at one side of the rectangular box body; a controller is arranged in the control box body; and the controller is electrically connected with the first rotary motor, the second rotary motor, the first telescopic motor, the second telescopic motor, the first stepping motor and the second stepping motor. The multifunctional solar cell panel capable of being folded and shrunk disclosed by the invention has the benefits of being simple instructure and high in practicability.

The invention relates to a preparation method and application of an inorganic oxide and shape memory epoxy resin nanometer composite column array, and belongs to the technical field of preparation ofan intelligent regulation and control surface infiltration material. The method comprises the following steps: preparing a polydimethylsiloxane template; preparing an inorganic oxide and shape memoryepoxy resin composite column array; preparing the inorganic oxide and shape memory epoxy resin nanometer composite column array. The prepared inorganic oxide and shape memory epoxy resin nanometer composite column array is applied to intelligent regulation and control of surface infiltration. The preparation method and the application of the inorganic oxide and shape memory epoxy resin nanometer composite column array have the following advantages: the inorganic oxide and shape memory epoxy resin nanometer composite column array, which is prepared based on compounding shape memory epoxy resinand inorganic oxide particles, has a reversible transformation function from ultraviolet caused superhydrophobicity to super-hydrophilicity, also has a microstructure self-repairing function and effectively solves the problem that the inorganic oxide and organic composite surface microstructures are easy to damage to lose the function of transforming from superhydrophobicity to super-hydrophilicity.

The invention discloses a mounting method and a dismounting method of a positioning pin. The mounting method and the dismounting method are used for mounting and dismounting the positioning pin between a first part and a second part. The installation method comprises the following steps: 11) processing a first positioning pin hole; 12) processing a first counterbore, a second counterbore and a first threaded through hole; 13) processing a second threaded through hole and a chamfer; 14) processing a second positioning pin hole; 15) placing a positioning pin; 16) screwing a first bolt; and 17) turning the first bolt and jacking the positioning pin. The disassembling method comprises the following steps: 21) screwing out the first bolt; 22) screwing a second bolt; 23) turning the second boltand jacking the second part. The mounting method and the dismounting method of the positioning pin can quickly mount and dismount the positioning pin between the first part and the second part, achieve the matching positioning and separation of the first part and the second part, solve the problem that the positioning pin and the part are easy to be damaged in the dismounting process. The mountingmethod and the dismounting method of the positioning pin have the advantages of simple operation, safety, reliability and accurate positioning.

The invention relates to spacecraft space environment simulation equipment, and discloses a hoisting and shifting device for the cold screen of a spacecraft radiation refrigerator, comprising: the heat sink of the spacecraft space environment simulation equipment is installed inside a vacuum container through a mounting frame, according to the invention, The device also includes: a hoisting slide rail is installed on the installation frame, and a roller limit device is installed at one end; hoisting rollers are installed in the slide rail of the hoisting slide rail, and an adjustable hoisting device for hoisting a large-size cold screen is installed on the lower part of the hoisting slide rail. screw. The invention solves the problem of multi-angle hoisting and displacement of the cold screen inside the vacuum container of the spacecraft space environment simulation equipment, achieves the beneficial effect of improving the reliability of the test equipment, and effectively prevents the cold screen from damaging the surface honeycomb structure due to careless installation operations.

The invention provides an over-temperature protection circuit and method for an OLED lamp, and the OLED lamp. The over-temperature protection circuit comprises an OLED device and an OLED driving control panel. A thermosensitive element and a flexible circuit board are arranged in the OLED device; the thermosensitive element is arranged on the back surface of an OLED substrate of the OLED device and is used for detecting the temperature of the OLED device; the flexible circuit board is used for leading out the electric polarity of the OLED device and connecting the thermosensitive element with the OLED driving control board; the OLED driving control panel comprises a sampling circuit, a microprocessor and an OLED driving module; the sampling circuit collects the temperature detected by the thermosensitive element and sends the temperature to the microprocessor; the microprocessor generates a feedback signal according to the detected temperature and sends the feedback signal to the OLED driving module; the OLED driving module adjusts the temperature of the OLED device based on the feedback signal. According to the invention, over-temperature protection of the OLED lamp can be rapidly realized.

The invention discloses a flexible device housing which comprises a flexible protective layer and at least one flexible electrode arranged on the protective layer, wherein the protective layer comprises one or more flexible layers arranged on the inner side and / or the outer side of the electrode; the electrode is used for being electrically connected to a detection circuit board; and the electrode can form a capacitor with a nearby conductor and transmit an electric signal for representing the capacitor or variation thereof to the detection circuit board. The invention further discloses a mechanical arm and a robot. According to the technical scheme, the problem that an electronic skin housing is prone to be damaged due to collision is effectively solved.

The invention discloses a multi-cavity composite sound absorption structure which comprises a cavity, a plurality of partition plates are arranged in the cavity and divide an inner cavity of the cavity into a plurality of sound absorption unit cavities arranged in parallel in the axial direction of the cavity, the top of the cavity is covered with a first micro-perforated plate, and the bottom of each sound absorption unit cavity is provided with a bottom plate. And the depths of the sound absorption unit cavities are different. The multi-cavity composite sound absorption structure is simple in structure, convenient to install, light in weight, small in occupied space and wide in sound absorption frequency band. The multi-cavity composite sound absorption structure can conveniently regulate and control structural parameters of each unit according to required sound absorption frequency bands in practical application, and a continuous and stable sound absorption effect in a target frequency band is obtained.

The invention discloses a rapid pulling-out device for an elbow type cable head and a using method of the rapid pulling-out device. The rapid pulling-out device comprises a fixing mechanism, a driving mechanism and a supporting mechanism, wherein the fixing mechanism comprises a first fixing piece and a second fixing piece, the top end of the first fixing piece is hinged to the bottom end of the second fixing piece, and the upper portion of the first fixing piece forms a cylinder matched with the horizontal part of the elbow type cable head; the driving mechanism comprises a mounting plate, the center of the end face of the mounting plate is fixedly connected with the top end of a hydraulic device, pull rods are symmetrically arranged on the two sides of the hydraulic device respectively, the top ends of the pull rods are fixedly connected with the mounting plate, and the bottom ends of the pull rods are detachably and fixedly connected with the first fixing piece; the supporting mechanism comprises supports which are parallel to the pull rods and arranged on the two sides of the hydraulic device respectively, and the bottom ends of the supports are connected with support bases which are connected with a box body of a power distribution cabinet; and a connecting plate is arranged between the two supports, and the bottom end of the hydraulic device is connected with the connecting plate in a sliding mode. With the rapid pulling-out device, cable head dismounting difficulty and the labor intensity of workers are reduced, working efficiency is improved, and the cable head and the box body of the power distribution cabinet are prevented from being damaged.

The invention relates to the technical field of rail transit, and discloses a bidirectional speed bump for a speed-limiting road. The bidirectional speed bump comprises a base, the outer side of the middle part of the upper end of the base is fixedly connected with a plurality of groups of supporting seats, and the upper ends of the supporting seats are fixedly connected with inner gear rings. Through the arrangement of a sleeve, a supporting rod, a rotating body and the inner gear rings, when an automobile runs on the speed bump at a too high speed, a main body moves downwards quickly under the rolling of wheels, the rotating body rotates quickly, helical teeth of the clamping blocks are meshed with helical teeth on the inner sides of the inner gear rings, the rotating body is clamped, and the main body does not descend any more, so the running automobile generates obvious vibration when passing through the speed bump, the driver is reminded to drive at a lowered speed, when the automobile runs on the speed bump at a low speed, the rotating body rotates slowly during descending, and the clamping block is thrown out, so that the main body can descend continuously, the automobile runs through the deceleration strip more stably and comfortably, and the comfort of people in the deceleration strip lifting process is improved.

Embodiments of the present application provide a connector, an electronic device, and an electronic device, which relate to the technical field of electronic products and can solve the problem that the probe assembly protrudes from the upper surface of the keyboard and is easily damaged. The connector is used to connect the first electronic device and the second electronic device, including: a housing with a through hole; a probe assembly, the probe assembly is arranged in the housing, and the probe assembly can be positioned relative to the housing Movement, the probe assembly includes a fixed frame, the fixed frame is provided with a probe; a flexible circuit board, one end of the flexible circuit board is connected to the probe, and the other end of the flexible circuit board is used to connect to the circuit board in the first electronic device; Plug-in structure, the plug-in structure is used for detachable plug-in with the second electronic device; the drive assembly, when the second electronic device is plugged into the plug-in structure, the drive assembly can drive the probe assembly closer to the channel relative to the housing moving in the direction of the hole, so that the probe protrudes out of the through hole to connect with the second electronic device.

The invention relates to the technical field of semiconductor technologies, and provides a method for preserving a scanning electron microscope (SEM) sample. The method includes the steps that the sample is provided first, the sample is placed into SEM equipment to be subjected to failure analysis, then the surface of the analyzed sample is coated with a protective layer used for isolating air, afterwards, the sample is placed in the atmospheric environment to be preserved, when the sample needs to be subjected to failure analysis again, the protective layer on the surface of the sample is eliminated, and finally the sample is placed into the SEM equipment to be subjected to failure analysis. The method for preserving the SEM sample is reliable, easy to implement and low in cost, the problem that the surface of the SEM sample is likely to be damaged or oxidized in the failure analysis process in the prior art is solved, the success rate of failure analysis can be improved by technicians in the field through the method, and the failure analysis cost is lowered.

The invention relates to an injection molding device used for an injection-molded component with zero rotating stop structure and double internal threads with different pitches. The injection-molded component is provided with external threads and two internal threads with different pitches and is provided with a clamping structure. The injection molding device comprises a moving die block with a front die and a fixed die block with two symmetrical sliders and a rear die, wherein the front die, the rear die and the two sliders are enclosed, forming an injection molding cavity; the rear die is athreaded rotating shaft; the fixed die block is further provided with a power mechanism for an ejecting mechanism and the threaded rotating shaft; a clamping mechanism used for the circumferential limiting of the clamping structure is arranged on the fixed die block; the threaded rotating shaft is a piston type double rotating shaft; the piston type double rotating shaft comprises an outer pipe and an inner shaft which are arranged in an inner and outer sleeving manner; first external threads and second external threads corresponding to the two internal threads of the injection-molded component are separately arranged at the upper ends of the outer pipe and the inner shaft; the inner shaft is provided with a strip-shaped radial through hole arranged in the axial direction; a connecting rod running through the radial through hole is arranged in the outer pipe; and a synchronous rotating unit and an axial slip unit of the outer pipe and the inner shaft are formed through the cooperationof the connecting rod and the radial through hole.

The invention provides a buffering pad for relieving the bidirectional expansibility of a high-pressure gas bottle. The buffering pad is 5mm thick and is rectangular 6144-type silicon rubber; a plurality of circular holes are formed in the 6144-type silicon rubber; a contact area accounts for 20 percent of the total area of the silicon rubber. The buffering pads are respectively positioned between a first belting and the gas bottle, a second belting and the gas bottle and a base and the gas bottle; a supporting and fastening device comprises a lower bracket and an upper bracket; the lower bracket is positioned at the bottom of the gas bottle and is connected with a cylindrical end socket of the gas bottle through a screw; the upper bracket comprises the first belting, the second belting and the base; the first belting is connected with the second belting through a bolt; the base is fixed on the structural side plate of a space vehicle; the first belting, the second belting and the base form an annular component. The buffering pad disclosed by the invention enables the gas bottle to be expanded and buffered due to own deformation; therefore, during deformation, load which can damage the beltings cannot be applied to the beltings.