31 results about "Composite cylinder" patented technology

The invention is suitable for the technical field of tapered-straight composite shell ring processing, and provides a processing method of an integrated tapered-straight composite shell ring, which comprises the following steps: S1, cutting and blanking a steel plate according to the size of the tapered-straight composite shell ring, and cutting out a plate material; s2, preparation work before machining is conducted on the plate material, wherein the preparation work at least comprises groove machining, two-side edge pre-bending and generatrix, symmetric center line and step line drawing; s3, according to the drawn step line, pressing forming is conducted on the plate through a top pressing type plate bending machine, and a formed workpiece is of a composite structure of a semi-cylindrical pipe section and a semi-conical pipe section; s4, the formed workpiece is shaped; and S5, the two shaped workpieces are folded and welded, and the conical and straight composite shell ring is formed. Therefore, not only is the specific process problem of the integrated cone-straight composite shell ring in the bending forming process solved, but also the core advantages of no annular weld joint, high continuity and high performance pursued by the integrated design are achieved by guaranteeing the manufacturing precision and consistency of the integrated cone-straight composite shell ring.

This invention discloses a nearshore water sampler and its usage method, relating to the technical field of water environment monitoring and marine survey equipment. The sampler comprises a composite cylinder consisting of a transparent plexiglass body and corrosion-resistant metal end caps. The metal end caps achieve a reliable seal with the cylinder flange via a widened buffer sealing platform. The upper end cap uses a damping hinge and a miniature flange to achieve stable suspension after sampling, facilitating direct insertion of the water quality probe for detection. The lower end cap has an opening at a specific angle and a flow guide groove, forming an efficient water flow channel with the upper opening to ensure thorough water exchange. This invention integrates automatic trigger sampling, in-situ detection, and convenient liquid collection functions, and features a dedicated handle with an anti-slip structure, a protective vertical bar for the cylinder body, and buffer support protrusions, improving operational convenience, stability, and overall durability of the equipment in field environments.

Disclosed in the present invention are a lightweight, high-strength and multipurpose container made of laminated bamboo lumber, and a method for manufacturing same. The container consists of corner posts made of laminated bamboo lumber, side posts, longitudinal side beams, transverse short beams made of laminated bamboo lumber or glass fiber and steel, longitudinal middle beams made of laminated bamboo lumber or glass fiber and steel, corner member-glass fiber-steel plate-steel sleeve-bolt integrated connectors, diagonal braces made of laminated bamboo lumber, glass fiber-steel composite cylinders for a forklift, glass fiber-steel sleeve bolted connectors, glass fiber-steel bolted connectors, oblique T-shaped glass fiber-steel filler plate bolted connectors, portal-shaped steel plate integrated welding connectors, doors, a K-shaped structural system and enclosure panels. The container of the present invention has the advantages of being lightweight, having high strength, safe and reliable structure, corrosion resistance, impact resistance, fatigue resistance, freezing resistance, etc. Moreover, the present invention reduces the use of mineral materials such as steel and aluminum alloy, and is low-carbon and environmentally-friendly.

The invention relates to the field of solid carbon dioxide preparation and forming processing, and discloses a device for efficiently preparing high-density dry ice.The device comprises a base, a device body is arranged at the top of the base, a feeding assembly is arranged in the device body, and a temperature control assembly is arranged in the device body; a blanking assembly is arranged outside the device body, the blanking assembly is combined with the pressing assembly to make the granular dry ice into dry ice blocks, an air injection assembly is arranged at the top of the base and used for cleaning the interior of the pressing assembly, and a radiator is arranged at the top of the device body. And through the arrangement of a heat blocking composite cylinder body structure with a heat exchange runner, thermal isolation of a low-temperature snow making environment in the pressing cavity and a wall surface micro-temperature regulation and control environment is achieved. According to the structural design, input of heat is concentrated on an inner wall contact interface, invalid heat transfer loss is reduced, and the low-temperature stability of the overall structure of the device body is maintained while the gas film generation efficiency is guaranteed.

The invention relates to the technical field of manufacturing of metal composite materials, and discloses a corrosion-resistant and wear-resistant bimetal composite cylinder liner which is prepared through the following steps that the inner wall of an outer-layer matrix steel pipe is pretreated and coated with an interface activation flux; raw materials containing waste steel, ferrochrome and the like are molten, ferrotitanium and ferroboron are sequentially added for alloying, then ferric oxide powder and metal yttrium are added for modification treatment, and inner-layer alloy liquid is obtained; the preheated outer-layer matrix steel pipe is placed in a rotating state, and the inner-layer alloy liquid is poured; and after the to-be-solidified pipe fitting is cooled to the room temperature, the pipe fitting is heated to the austenitizing temperature, heat preservation is conducted, and then isothermal quenching treatment is conducted. According to the method, interface oxides are effectively removed and firm metallurgical bonding is promoted by utilizing the interface activation flux; a core is formed through in-situ reaction of metal yttrium and ferric oxide so as to refine grains; and a lower bainite and retained austenite mixed structure is obtained through isothermal quenching, the comprehensive mechanical property of the cylinder sleeve is improved, and the service life of the cylinder sleeve is prolonged.

The invention provides a small-size composite material barrel and a forming device and method thereof, and belongs to the technical field of composite material forming. The problems that when a small-size composite material barrel is formed through metal mold matching, due to the fact that the internal structure is complex, demolding is difficult, products are prone to being damaged, and the precision is difficult to guarantee are solved. The forming device comprises a metal core mold, a water-soluble block, a sectioning mold, a pressurizing frame, an upper cover plate, a lower cover plate and a reinforcing area mold block, the metal core mold is sleeved with the water-soluble block, the surface of the water-soluble block is provided with a groove and boss structure, and the groove and boss structure is matched with grid ribs in a composite material cylinder. The sectioning mold comprises a plurality of arc-shaped modules, the arc-shaped modules are spliced and connected in the circumferential direction, the sectioning mold is sleeved with the pressurizing frame, the upper cover plate is connected with the upper portion of the pressurizing frame through screws, and the lower cover plate is connected with the lower portion of the pressurizing frame through screws. The forming die is mainly used for forming small-size composite material barrels.

This invention discloses a method for preparing a titanium-copper explosive composite cylinder for a high-conductivity cathode roller, belonging to the field of electrolytic copper foil production equipment. The method includes the following steps: preparing TA1 industrial pure titanium plates and T2 industrial pure copper plates; performing staggered explosive composite welding on the TA1 titanium plate and T2 copper plate; rolling the titanium-copper explosive composite plate into a circle; welding the opening of the rolled titanium-copper explosive composite plate, wherein the internal copper weld is performed using gas metal arc welding (GMAW) and the external titanium weld is performed using friction stir welding; and the external titanium weld is subjected to local laser heating treatment to achieve uniformity between the titanium weld and the base material. The preparation method provided by this invention achieves a stable connection between titanium and copper, which are dissimilar and incompatible metals, simplifies the production process of the titanium cylinder for the cathode roller, improves production efficiency, reduces the amount of machining waste for the titanium cylinder for the cathode roller, and lowers the material cost in the cathode roller manufacturing process.

The application discloses a method and device for determining design parameters of a composite cylinder type of an offshore wind farm, comprising obtaining and analyzing physical characteristics and mechanical characteristics of soil samples, combining environmental parameters to establish an engineering geological environment evaluation model, inputting the design parameters of the composite cylinder type into the engineering geological environment evaluation model to calculate actual design values of the composite cylinder type, and judging whether the design parameters meet construction conditions. The method for determining the design parameters of the composite cylinder type of the offshore wind farm according to the embodiment of the application comprehensively considers the physical characteristics and mechanical characteristics of the soil samples of the installation site, so that the optimization process of the design parameters of the composite cylinder type is more flexible, comprehensive, accurate and efficient, and the safety and stability during the operation of the wind turbine are ensured.

The utility model relates to the field of cable tension, especially a constant tension device for wharf mooring cable, including composite cylinder mechanism and first gas cylinder, the composite cylinder mechanism includes the outer jar and the inner jar in the outer jar, the cavity is left between the outer jar and the inner jar, the outer jar is equipped with the outer piston in the cavity, the outer piston will the cavity divide into liquid cavity and gas cavity, the inner jar is equipped with the adjusting assembly, the adjusting assembly includes the inner piston and the piston rod connected with the inner piston, the inner piston will the inner jar inside part divide into the rod cavity and the rod cavity, the liquid cavity and the rod cavity are filled with liquid, and the liquid cavity and the rod cavity are communicated, the first gas cylinder and the gas cavity are communicated. Adopt the utility model, keep the cable tension relative constant at the same time, simple structure, small, portable.

The invention relates to the technical field of mechanical manufacturing, and discloses a multi-station rotary table necking machine structure which comprises a supporting frame, a high-thrust composite air cylinder is fixedly installed at the top of the supporting frame, a sliding plate is fixedly installed at the telescopic end of the high-thrust composite air cylinder, and a feeding assembly is arranged on the outer wall of the supporting frame. The inner wall of the supporting frame is rotationally connected with a rotating disc, and a protective shell is fixedly installed at the bottom of the supporting frame. Materials are moved to the telescopic end of a feeding air cylinder through matched transmission of a washboard feeding device and a first conveying channel, the materials with unqualified postures are pushed back into a hopper through matched use of a first detection device and a pushing air cylinder, and the materials are pushed to the position above a posture adjusting device through the feeding air cylinder; the posture of the materials is adjusted through the posture adjusting device, at the moment, the materials are pushed to the position above the second conveying channel through the feeding air cylinder, and the materials are pushed into the third conveying channel through the second conveying channel.

The application relates to the technical field of strength detection, and discloses a breathing apparatus winding composite gas cylinder strength detection device and a manufacturing process, wherein the breathing apparatus winding composite gas cylinder strength detection device comprises a test table, a rack arranged on the test table, a pulley lifting unit, a sliding seat and a hammer head, further comprises an ejection mechanism, the ejection mechanism comprises a cavity arranged in the hammer head, a bottom cylinder fixed at the bottom of the cavity and a sleeve slidingly sleeved outside the bottom cylinder, a partition plate is fixed in the sleeve, the partition plate divides the inner cavity of the sleeve into a first chamber and a second chamber from top to bottom in sequence, a channel is arranged through the partition plate, an impact rod is arranged through the channel, and the bottom end of the impact rod extends into the second chamber and is used for performing secondary impact detection. The ejection mechanism is arranged, the impact rod is ejected at high speed from the ejection port by triggering, the same area of the gas cylinder which has been impacted is punctured and hit, and the composite impact load that the gas cylinder may suffer in an actual accident can be effectively simulated.

The utility model discloses an internal combustion engine composite cylinder gasket reliable in installation, and belongs to the technical field of engine sealing. The internal combustion engine composite cylinder gasket reliable in installation comprises a composite gasket body, a plurality of cylinder holes and a plurality of bolt holes are formed in the composite gasket body, bolt hole gaskets are arranged in the bolt holes, and the bolt hole gaskets are wrapped by bolt hole protection rings and limited on the composite gasket body. According to the composite cylinder gasket of the internal combustion engine, the bolt hole gasket is arranged in the bolt hole of the composite gasket body through the bolt hole protective ring, the compressive strength of the bolt hole is enhanced through the bolt hole protective ring and the gasket, the periphery of the composite gasket body is supported and limited, and when a bolt is used for locking, locking force acts on the bolt hole protective ring and the gasket, so that the locking effect is good. Deformation of the cylinder body or the cylinder cover is prevented, the problems that the composite cylinder gasket is damaged due to extrusion of the bolt and the bolt is prone to loosening are solved, the service life of the composite cylinder gasket is prolonged, and sealing reliability is improved.

The application discloses a kind of composite cylinder structure forming die calibration verification method and device, the present application is positioned conversion operation, first the rotation axis of part forming die is transformed to coincide with the X axis of the design coordinate system of part forming die, and the end face center of part forming die mounting shaft is transformed to coincide with the origin of the design coordinate system of part forming die.It makes the target point that is positioned with part forming die together through positioning conversion to carry out the position and posture calibration of part forming die, two values are zero in the translation amount along the X, Y, Z three directions of processing coordinate system, and two values are zero in the rotation amount around the X, Y, Z three directions of processing coordinate system.When the position and posture calibration of part forming die is completed, whether die calibration is accurate can be directly judged according to calibration result, greatly improve the efficiency of part forming die calibration verification, and it is favorable to further analyze calibration error.

The application belongs to the technical field of offshore wind power foundation construction, and discloses a single-column composite cylinder batch construction device and a construction method. The construction device comprises a circumferential positioning mechanism and a compartment template mechanism. The circumferential positioning mechanism comprises a center cylinder and an extension rod. The compartment template mechanism comprises a ring body, a limiting clamping plate, a sliding rail and a sliding body. The construction method is as follows: first, the center cylinder is fixed, and the lower ring body is fixed by adjusting the extension rod; then, the center cylinder is constructed by adjusting the extension rod; the position of the upper ring body is adjusted and fixed through the sliding rail and the sliding body; the compartment plates are inserted into the limiting clamping plates in pairs, and the compartment plates are welded with the center cylinder; then, the cylinder wall is welded with the compartment plates; finally, the top cover is welded with the compartment plates. The circumferential positioning mechanism and the compartment template mechanism assist in the construction of the single-column composite cylinder, the feasibility of batch manufacturing of the single-column composite cylinder is realized, and the overall strength of the structure is enhanced to a certain extent.

The invention relates to the technical field of strength detection, and discloses a strength detection device for a respirator winding composite gas cylinder and a manufacturing technology.The strength detection device for the respirator winding composite gas cylinder comprises a test board, a rack arranged on the test board, a pulley lifting unit, a sliding seat and an impact hammer head and further comprises an ejection mechanism, the ejection mechanism comprises a cavity formed in the impact hammer head, a bottom cylinder fixed to the bottom of the cavity and a sleeve connected outside the bottom cylinder in a sliding and sleeving mode, a partition plate is fixed in the sleeve and divides an inner cavity of the sleeve into a first cavity and a second cavity from top to bottom in sequence, a channel is formed in the partition plate in a penetrating mode, and an impact rod penetrates through the channel; the bottom end of the impact rod extends into the second cavity and is used for executing secondary impact detection. The device is provided with the ejection mechanism, the impact rod is triggered to eject from the ejection opening at a high speed, the same impacted area of the gas cylinder is punctured and struck, and the composite impact load possibly suffered by the gas cylinder in an actual accident can be effectively simulated.

The utility model discloses a plastic winding composite barrel, which belongs to the technical field of composite barrels and is characterized in that the barrel sequentially comprises a first anticorrosive layer, a first pressure-bearing layer, a structural layer, a second pressure-bearing layer and a second anticorrosive layer from inside to outside, cord threads are wound on the outer surfaces of the first pressure-bearing layer and the second pressure-bearing layer in a staggered manner, and the cord threads are wound on the outer surfaces of the first pressure-bearing layer and the second pressure-bearing layer. Limiting assemblies are arranged on the first pressure-bearing layer and the second pressure-bearing layer and comprise sliding rods, clamping blocks are arranged on the sliding rods, limiting blocks are connected to the clamping blocks in a clamped mode, annular plates are connected to the limiting blocks in a sliding mode, and the annular plates are connected with the first pressure-bearing layer and the second pressure-bearing layer through springs. The limiting blocks are in sliding connection with the first pressure bearing layer and the second pressure bearing layer. The barrel is high in compressive strength, the cord threads are evenly arranged and tightly wound and are not prone to sliding off, and the production efficiency of the barrel is high.

This invention belongs to the technical field of experimental analysis instruments for oil and gas field development. It discloses a parametric design method for an ultra-high temperature and ultra-high pressure X-ray fluoroscopy (PVT) system, solving the technical problems of difficulty in coordinating multiple coupled contradictions, lack of systematic determination of structural parameters, and difficulty in ensuring measurement accuracy during the design stage in existing PVT analysis system designs. The method includes: S1, obtaining the design input parameters of the high-pressure vessel; S2, determining the initial compression height of the piston; S3, determining the minimum working volume of the high-pressure vessel; S4, determining the inner diameter of the high-pressure vessel; S5, determining the wall thickness of the composite cylinder; and S6, obtaining the output design parameters. Therefore, this invention establishes a complete calculation chain from input parameters to output parameters, coordinating multiple design objectives such as observation integrity, measurement accuracy, and pressure bearing capacity within the same framework. By uniquely determining all key structural parameters from the input parameters through quantitative formulas, the design results possess uniqueness and self-consistency.

The invention provides a self-adaptive shape control method, device and equipment for an aviation composite cylinder section and a medium, and the method comprises the steps: obtaining deformation observation data of the composite cylinder section, and correcting a manufacturing difference prior model into a deformation gain model of the corresponding composite cylinder section through Bayesian updating; according to the response uncertainty of the deformation gain model, the loading direction of the information amount is identified through characteristic decomposition, and a preset number of optimal test loads are selected according to the sequence from large to small; according to each optimal test load, each actuator is controlled to apply force to the composite material cylinder section, and secondary Bayesian updating is carried out on the deformation gain model in combination with the corresponding observed displacement increment, so that a response model of the corresponding composite material cylinder section is obtained; and according to the response model, the optimal actuator force is determined, and the corresponding actuator is controlled to conduct self-adaptive shape control on the aviation composite cylinder section. According to the method, the problem of model mismatching caused by manufacturing difference can be effectively solved, and the final quality precision of assembly control is remarkably improved.

The utility model discloses a composite pressure-bearing cylinder connecting structure, which relates to the technical field of new materials and comprises a composite cylinder, a metal part is hermetically mounted at the top end of a main body of the composite cylinder, and a pin bolt is fastened and connected between the surface of the metal part and the surface of the main body of the composite cylinder. The composite pressure-bearing cylinder has the beneficial effects that through simulation analysis, the strength, rigidity and sealing performance of the composite pressure-bearing cylinder are greatly improved, the bearing capacity is very considerable, the composite pressure-bearing cylinder is formed by winding in a wet method, bubbles are extruded out by controlling tension, and fiber abrasion and initial defects can be reduced by applying the resin glue solution; the fiber yarn arrangement parallelism is good; the production automation degree is high, the requirement for operators is low, the efficiency is high, the fiber volume content is high, the material utilization rate is high, and the quality consistency is good.

The invention relates to the technical field of extrusion molding equipment, and discloses a spliced composite barrel of a screw extruder, which comprises a barrel section for conveying materials in sections, one end of the barrel section is fixedly connected with a flange end I, the other end of the barrel section is fixedly connected with a flange end II, and the adjacent flange end I and flange end II are clamped with each other. A guide ring is arranged in the middle of the end, close to the first flange end, of the second flange end. The first flange end and the second flange end are arranged, the automatic centering function during splicing is achieved through the inclined attaching design of the guide ring and the guide groove, tiny deviation can be actively compensated in the assembling process, it is guaranteed that the axes of all the barrel sections coincide from the axial dimension and the radial dimension through the cooperation of radial clamping of the convex groove and the clamping groove, and the assembling efficiency is improved. The problem of coaxiality deviation caused by traditional single bolt positioning is solved, circumferential rotation is further limited through an arc-shaped meshing structure of the first check block and the second check block, and a continuous and accurate inner channel is formed by the spliced inner barrel piece.

The application is suitable for the technical field of conical and straight composite cylinder section processing, and provides a processing method of integrated conical and straight composite cylinder section, comprising the following steps: S1, cutting and blanking a steel plate according to the size of the conical and straight composite cylinder section to cut out the plate material; S2, preparing the plate material before processing, at least including processing a bevel, pre-bending edges on both sides, drawing a bus, a symmetrical center line and a step line; S3, according to the drawn step line, pressing and forming the plate material through a top pressure type plate bender, and the formed workpiece is a composite structure of a semicylindrical pipe section and a semicone pipe section; S4, shaping the formed workpiece; S5, folding and welding two shaped workpieces to form a conical and straight composite cylinder section. Therefore, the application not only solves the specific process problem of the integrated conical and straight composite cylinder section in the press bending forming, but also guarantees the manufacturing precision and consistency, so that the core advantages of the integrated design, such as no annular weld, high continuity and high performance, can be realized.

A winding core that is a composite cylinder with a metal bearing band to prevent splitting and fraying of the cylinder when supported by a support wheel, and a method for manufacturing the same.

The application provides a strong magnetic field multilayer composite shielding cylinder suitable for underwater environment and a manufacturing method thereof, which comprises a multilayer composite cylinder, and the multilayer composite cylinder comprises, from inside to outside, a cylinder base material layer, a high magnetic permeability layer, a high saturation magnetic flux density layer, a high conductivity layer and a protective layer; the cylinder base material layer is provided with a base material layer mounting groove, the high magnetic permeability layer, the high saturation magnetic flux density layer and the high conductivity layer are arranged in the base material layer mounting groove, and any two adjacent layers are connected through epoxy adhesive bonding. The application fully utilizes the advantages of the shielding materials in the magnetic field shielding, is helpful for protecting the sensitive circuit and device inside the countermeasure equipment from the interference of external magnetic field, sets the protective layer on the outermost layer, is helpful for water pressure resistance and corrosion resistance, and thus meets the corrosion resistance requirement of the underwater countermeasure equipment. The manufacturing method is simple, has low requirement on the manufacturing equipment, is helpful for reducing the cost, replacing the layer material and prolonging the service life.

The invention relates to the technical field of composite material forming, and provides a large composite material barrel integrated forming die and method.The large composite material barrel integrated forming die comprises a core die, a flange positioning plate, a flange pressing plate, a pre-pressing plate and a flange surrounding strip; the core mold comprises a barrel mold, and the flange positioning plate is detachably arranged on the barrel mold; the flange foxing strip is detachably arranged on the flange positioning plate; the flange pressing plate is detachably arranged on the flange foxing strip, and the pre-pressing plate is arranged between the flange pressing plate and the flange foxing strip. According to the invention, the continuous winding fiber layer is laid into the flange structure in the form of the turnup of the winding fiber layer of the cylinder body, and after the composite material cylinder body is cured, the continuous fiber provides high-strength connection for the flange and the cylinder body, so that the integrity of the flange and the cylinder body structure is improved.

The application provides a processing tool for a composite cylinder and a processing technology thereof. The processing tool comprises a gas bag and a locking mechanism. The locking mechanism is an upper and lower split structure, and the upper and lower locking mechanisms are basically the same. The locking mechanism is a three-dimensional frame as a main structure, and top blocks are uniformly distributed around the center position. The top blocks are divided into fixed type and cylinder pushing type. The locking mechanism is attached with a gas pipe, a pressure gauge and a hand valve. The upper locking mechanism is further provided with a detachable limiting block. The application has the effects of solving the problems of easy deformation of clamping and easy vibration of processing caused by low rigidity of the composite cylinder, and solving the problems of overlarge processing tool for a super-high cylinder and inconvenient operation.

Methods, systems, and apparatus for testing or inspecting bodies such as composite cylinders. A system may include one or more sensors. The one or more sensors may be configured for testing or inspecting one or more composite cylinders. The one or more sensors may each include a suction cup. The suction cup may have an internal volume. The suction cup may be configured to acoustically couple a respective sensor of the one or more sensors to an outer surface of a respective composite cylinder of the one or more composite cylinders when a vacuum is pulled within the internal volume.

The invention discloses a uniform sand cleaning device for an offshore wind power composite barrel type foundation, and relates to the technical field of uniform sand cleaning devices for barrel type foundations, the uniform sand cleaning device comprises a foundation barrel, an expanding extraction mechanism and a monitoring mechanism, the foundation barrel comprises a plurality of extraction pipes, and the monitoring mechanism comprises a transparent shell and a monitoring head. The multiple extraction pipes are installed on the foundation cylinder and matched with the monitoring mechanism, in the process that the foundation cylinder sinks and inclines after being installed, the positions of deposits on a seabed can be determined, accurate cleaning can be conducted, and therefore sinking of the foundation cylinder and overall resetting of offshore wind power are facilitated; by means of multiple modes of expanding the extraction mechanism, when the extraction pipe extracts deposits on the seabed, the deposits can be evenly extracted, and the situation that the seabed is uneven easily due to straight pipe extraction is avoided; and through cooperative arrangement of the coloring observation plate and the inclined extraction opening, the extraction pipe can be matched with the monitoring mechanism to accurately position and extract deposits on the seabed.

The invention discloses a cylinder sleeve monitoring system and method, and belongs to the technical field of diesel engines. The cylinder sleeve monitoring system comprises a composite cylinder sleeve, a plurality of monitoring components, a bearing coating, a signal acquisition module and a control display module. The multiple monitoring components are arranged in the cylinder wall of the composite cylinder sleeve at intervals and used for monitoring the temperature and / or pressure of the cylinder wall of the composite cylinder sleeve. The bearing coating is arranged in the cylinder wall of the composite cylinder sleeve, and the bearing coating is used for fixing the multiple monitoring components in the cylinder wall of the composite cylinder sleeve; the signal acquisition module is electrically connected with the plurality of monitoring parts so as to receive temperature and / or pressure data, acquired by the monitoring parts, of the cylinder wall of the composite cylinder sleeve; the control display module is electrically connected with the signal acquisition module. The problems that when temperature and pressure monitoring is conducted on the cylinder sleeve, the structure of the cylinder sleeve needs to be modified, and consequently the structure of the cylinder sleeve is damaged, and reliability is lowered are solved.

This invention relates to the field of gas cylinder molding technology, specifically to a composite gas cylinder and its preparation method. A composite gas cylinder includes: a metal valve seat nozzle; a composite adhesive layer disposed on the adhesive surface of the metal valve seat nozzle, the composite adhesive layer comprising microscopic anchoring layers, physicochemical activation layers, and interface transition layers; and a plastic bottle body, the plastic bottle body being bonded to the adhesive surface of the metal valve seat nozzle via the composite adhesive layer. This invention provides a composite gas cylinder and its preparation method to solve the problem that during the composite cylinder preparation process, when an adhesive or adhesive layer is applied between the metal valve seat and the bottle body, the adhesive / adhesive layer itself provides a bond. However, due to the precision of dimensional control, the bonding process inevitably results in gaps or misfitting phenomena, leading to insufficient bonding strength between the metal valve seat and the bottle body, thus affecting performance under high-pressure loads.

The embodiment of the invention discloses a forming device and method for a large-size composite barrel. The device comprises an upper die, a lower die and a sealing assembly. The upper die and the lower die are each of a combined structure of a thin-wall type frame structure and a die body, each frame structure is formed by welding transverse and longitudinal thin plates in a staggered mode, and the corresponding die body is welded to the inner side of each frame structure. The die body is formed into an inner molded surface of the die body through roll forming by metal plates with the same thickness, and the inner molded surface of the die body comprises a working molded surface and a parting surface; after the upper die and the lower die are in butt joint, a working profile used for forming a composite barrel is formed through the upper die body and the lower die body on the inner side, and positioning butt joint of the upper die and the lower die is achieved through the upper die parting face and the lower die parting face. A sealing assembly is arranged between the parting surfaces of the upper mold and the lower mold, inert gas is introduced in the forming process through a silicone tube penetrating through the parting surfaces on the two sides in the sealing assembly, and the sealing effect of the parting surfaces of the upper mold and the lower mold is achieved through expansion of the silicone tube.