29 results about "Cylinder mold" patented technology

The utility model discloses an oil cylinder air tightness testing device which comprises a bottom plate, a sliding groove is formed in one side of the top of the bottom plate in an inward concave mode, adjusting openings are formed in the two sides of the sliding groove respectively, clamping assemblies are arranged in the adjusting openings in a sliding mode, the clamping assemblies are fixedly connected with the middles of the two ends of a placing plate respectively, and the placing plate is arranged in the sliding groove in a sliding mode. Positioning assemblies are movably arranged at one end of the adjusting opening and movably arranged on the two sides of the bottom plate. The other side of the top of the bottom plate is fixedly connected with one end of a supporting column, the other end of the supporting column is fixedly connected with the bottom of one side of a fixing plate, the other side of the fixing plate is slidably sleeved with a movable rod, one end of the movable rod is hinged to a pressing assembly, the pressing assembly is movably arranged at the top of the fixing plate, and the other end of the movable rod is fixedly connected with a connector. A corresponding oil cylinder mold is placed on the containing plate, the oil cylinder is supported by the mold, the mold is limited and fixed through the clamping assembly, then the oil cylinder position fixity is kept, and the containing plate moves in the sliding groove and is pushed to the end of the sliding groove.

The invention belongs to the technical field of thermal field equipment, and discloses a guide cylinder for a thermal field and a manufacturing method of the guide cylinder. An integrated fiber prefabricated body is prepared on a mold, in the process, by controlling fiber layer laying, a barrel prefabricated part with the low fiber volume content, a ring prefabricated part with the high fiber volume content and a gradient transition area connecting the barrel prefabricated part and the ring prefabricated part are formed in the prefabricated body, and then a Z-direction reinforcing technology is adopted to enable the barrel prefabricated part, the ring prefabricated part and the gradient transition area to form a whole with continuous fibers; and carrying out densification treatment on the prefabricated body. By constructing an integrated structure with gradient performance, the guide cylinder body has excellent heat insulation performance, and the bottom ring piece has high mechanical strength. An anti-scouring functional layer with a reinforced bonding interface can be preferably arranged on the inner wall, and a bionic microscopic groove is machined, so that the structural reliability and the performance matching degree of the guide cylinder are cooperatively improved, and the service life of the guide cylinder is prolonged.

The utility model discloses a heavy pressure slow -releasing mechanism based on dynamic feedback belongs to mechanical pressure control technical field, the utility model discloses a polyurethane buffer block precontacting absorption impact energy is arranged at the upper die support column end, and the synergic compression mechanism of pressure guide column and spring is combined, realizes the staged pressure slow -releasing of the mold closing process. Further through the real -time feedback of pressure sensor to PLC controller, dynamic regulation inlet pressure makes the mold closing end pressure smooth transition to the set value. The utility model discloses a heavy pressure slow -releasing mechanism based on dynamic feedback has solved the problem of big noise, high cost of traditional air cylinder mold closing, and the mechanism has successfully been applied to the automobile sunshade curtain detection tool, and the mold closing noise is greatly reduced, and the synchronous precision has been effectively improved.

The construction method of the self-climbing barrel formwork equipment comprises the steps that an embedded box is embedded in a poured barrel structure, the self-climbing barrel formwork equipment is installed on the poured barrel structure and jacked to a to-be-poured floor, a control unit controls a telescopic rod to extend so that a barrel corner formwork and a plane formwork can be assembled, and the self-climbing barrel formwork equipment can be formed; a concrete barrel structure is poured after the barrel outer formworks are closed and reinforced, after concrete reaches the strength required by design, the barrel outer formworks are removed, and the control unit controls the telescopic rods to contract so that the barrel corner formworks and the plane formworks can be removed; the control unit controls the hydraulic oil cylinder to contract, so that the climbing beam climbs and supports the embedded box on the same layer with the supporting beam; the control unit controls the hydraulic oil cylinder to extend, so that the supporting beam climbs and is supported on the pre-embedded box on the upper layer, and the climbing platform enters a construction state; and the concrete pouring construction of the cylinder structure is completed layer by layer by repeating the steps.

This utility model discloses an auxiliary structure for demolding fiberglass cylinders, relating to the technical field of fiberglass production equipment. It includes a base body, a support seat fixedly connected to one side of the upper surface of the base body, a lower mold fixedly connected to the top of the support seat, and an upper mold fixedly connected to the top of the lower mold. The lower mold and the upper mold together form a cylinder mold, and a mandrel is horizontally arranged inside the cylinder mold. A movable component is provided on the side of the upper surface of the base body away from the support seat. One end of the mandrel is connected to the movable component via a locking component. An auxiliary demolding component is provided on the outer side of the lower mold and the upper mold. This utility model, by designing the auxiliary demolding component, allows the air pump to be started and the control valve to be opened after the fiberglass cylinder has solidified in the mold, causing the annular airbag to inflate. The gas enters the gap between the mold and the cylinder through the air holes, effectively reducing the adhesion and friction between them, and significantly improving the demolding effect.

The utility model discloses a cement pipeline forming machine provided with an inner mold retracting and stretching mechanism, which comprises a frame, an outer cylinder mold and an inner cylinder mold, and one side of the upper surface of the frame is fixedly connected with a support rod. According to the cement pipeline forming machine with the inner mold retracting and stretching mechanism, through the arrangement of the frame, the outer barrel mold, the inner barrel mold, the supporting rods, the air cylinders, the supporting frame and the pulleys, when the cement pipeline forming machine is used, the outer barrel mold slides to the working position along the supporting rods under the driving of the air cylinders, and a uniform annular cavity is formed by the outer barrel mold and the inner barrel mold; the concrete is injected into a cavity between the outer cylinder mold and the inner cylinder mold from the top of the equipment; a vibration device is started, so that bubbles are discharged from the compact concrete; a supporting frame slides upwards along a supporting rod; a user pushes a second supporting plate to drive the pulley to move inwards; and the second supporting plate drives the inner cylinder mold to move to break away from the inner wall of the pipeline to complete demolding.

The application discloses a self-opening-mold multi-cylinder EVA foaming machine and belongs to the technical field of foaming machines. The foaming machine comprises a base, a lower support fixedly installed on the upper surface of the base, an upper support connected with the lower support through a supporting column, and a frame of the foaming machine formed by the lower support, the supporting column and the upper support. Four limiting plates are installed between the upper support and the lower support, and a mold plate is arranged in the space between the upper support and the lower support. The mold plate is provided with a bayonet at each corner and is slidably connected with the four limiting plates. The auxiliary mold opening mechanism can prevent the mold plate from being adhered to the material, helps to realize the self-opening-mold purpose, ensures smooth mold opening, and additionally, the cooling mechanism can cool the mold plate once during the mold opening process, which helps to solidify the material, is favorable for demolding, avoids excessive temperature drop to increase subsequent energy consumption, and enables the mold plates to be mutually adsorbed, thereby helping to reduce the energy consumption of the multi-cylinder mold assembly.

The invention discloses a precision forging type integral hammer middle cylinder mold and an automatic production line thereof, and belongs to the field of mold machining, the precision forging type integral hammer middle cylinder mold comprises grooving equipment, the grooving equipment comprises a fixing table used for fixing a middle cylinder mold base plate, the precision forging type integral hammer middle cylinder mold further comprises a rail support fixedly arranged on the fixing table, and a grooving mechanism is arranged on the rail support in a sliding mode; the grooving mechanism comprises a telescopic second mounting plate, a second mounting box is rotatably arranged on the second mounting plate, grooving machines are symmetrically and slidably arranged in the second mounting box, each grooving machine comprises a first grooving cutter and a second grooving cutter which are vertically distributed and can slide, and the grooving machine further comprises a slidably arranged driving source; the grooving equipment is used for conducting single-side synchronous grooving on a rectangular groove in a mold set, the drill bit is automatically replaced, and the machining time is saved.

This invention relates to the field of applied electrochemistry, and particularly to a solid-state development material slurry and method for rapidly revealing latent stamped lettering on metal surfaces. The solid-state development material slurry comprises, by weight, 1-50 parts of a conductive agent, 1-40 parts of a slow-release agent, 1-20 parts of an oxidant, 1-15 parts of a protective agent, 1-5 parts of a pH adjuster, and 1-50 parts of water. The conductive agent, slow-release agent, oxidant, and protective agent are added to water, and the pH of the solution is adjusted. After mixing by stirring, the solid-state development material slurry is poured into a cylindrical mold for molding. The solid-state development material is then directly applied to the area of ​​the metal surface to be developed until the latent stamped lettering appears. This invention has the advantages of simple operation and readily available reagents, and it achieves rapid development of latent stamped lettering on metal surfaces (such as damaged steel vehicle frame numbers), which is of great significance for solving cases of stolen and smuggled vehicles.

The utility model discloses a deep-cavity horizontal oil cylinder core-pulling mold structure which comprises a base, supports are fixedly arranged on the two sides of the top end of the base, a lower mold base is fixedly arranged on the top between the two supports, an upper mold base is arranged at the top end of the lower mold base in a clamped mode, an installation groove is formed in one side of the lower mold base, and an installation base is arranged in the installation groove in a clamped mode. According to the deep-cavity horizontal oil cylinder core-pulling mold structure disclosed by the utility model, through the design of the single core-pulling assembly, the core-pulling assembly can be flexibly arranged in a deep-cavity oil cylinder mold; two guide rods are matched with two guide holes, two guide grooves and an elastic cushion are arranged, so that good contact and self-adaptive buffering between the core pulling rod and the inner wall of a product in the core pulling process can be guaranteed, deviation is prevented, two limiting blocks are driven to move by sliding two sliding rods, the limiting blocks are separated from two limiting grooves, and the core pulling rod is prevented from being damaged. And the mounting seat is not limited any more, so that the core-pulling assembly can be quickly disassembled and maintained.

The self-climbing barrel formwork equipment comprises a climbing platform erected in a poured barrel structure, a barrel inner formwork and a barrel outer formwork, the barrel inner formwork and the barrel outer formwork are hung on a top layer platform of the climbing platform, and the barrel inner formwork is located in a barrel structure to be poured and detachably connected to the climbing platform. The cylinder outer formwork is located outside the to-be-poured cylinder structure and connected with the cylinder inner formwork, and the control unit is in signal connection with the cylinder inner formwork and the climbing platform. The barrel corner formworks of the barrel inner formwork are arranged at the corners of a barrel structure to be poured, the plane formwork is arranged between every two adjacent barrel corner formworks and connected with the barrel corner formworks through bolts, the multiple sliding rails are horizontally arranged and connected to the inner sides of the barrel corner formworks, the sliding blocks connected to the lateral movement main body structure are matched with the sliding rails, and the multiple pairs of adjustable connecting rods are arranged at intervals and connected to the telescopic rods. The other end is hinged with the sliding block; the power mechanism drives the telescopic rod to stretch out and draw back, the adjustable connecting rod drives the two lateral moving frame bodies and the angle mold main body structure to move relatively, and automatic opening and closing of the in-cylinder mold plate are achieved.

The application discloses a demoulding device for a composite cylinder and relates to the technical field of demoulding devices.The demoulding device comprises a base, a first support, a second support, a locking mechanism, an ejection mechanism and a movement mechanism, the first support and the second support are both slidingly installed on the inner bottom surface of the base and can be locked in position through the locking mechanism, the upper end of the first support and the upper end of the second support are both provided with a claw mechanism, the two claw mechanisms are used for clamping a core mold, the base is provided with a boss extending upwards on both sides, the ejection mechanism is slidingly connected to the boss and is used for clamping the composite cylinder on the outer periphery of the core mold, the movement mechanism is slidingly installed on the boss and can be locked in position through the locking mechanism, the movement mechanism can push the ejection mechanism to move along the length direction of the boss, and the ejection mechanism drives the composite cylinder to separate from the outer surface of the core mold. The application can adapt to cylinder molds of different sizes, can realize accurate positioning, and can improve the demoulding quality and the demoulding efficiency.

A vacuum induction smelting ingot casting mold comprises a mold base and a cylindrical mold arranged at the upper end of the mold base, a mold bottom pad is arranged at the upper end of the mold base, the outer diameter of the mold bottom pad is slightly smaller than the inner diameter of the cylindrical mold, and the upper end face of the mold bottom pad is an inclined face. The bottom pad with the inclined upper end face is arranged at the bottom of the casting mold, so that inclined faces with consistent angles are formed on the lower end face of a cast ingot formed by casting, saw cutting is not needed during tail-to-tail tailor-welding of the cast ingot, only one-time saw cutting is needed during head-to-tail tailor-welding of the cast ingot, the saw cutting weight is greatly reduced, the induction melting cast ingot yield is improved, and the melting cost is reduced.

The invention provides a superconducting magnet and gradient coil integrated structure, and relates to the technical field of magnetic resonance imaging. A superconducting magnet and gradient coil integrated structure comprises a superconducting magnet assembly, a gradient coil and a barrel mold. The superconducting magnet assembly comprises an outer cylinder, an inner cylinder and two sealing plates. The inner cylinder is sleeved with the outer cylinder, a first mounting cavity is formed between the outer cylinder and the inner cylinder, and sealing plates are arranged at the two ends of the first mounting cavity. A superconducting magnet coil is arranged in the first mounting cavity in the circumferential direction, and the superconducting magnet coil is arranged around the outer wall of the inner cylinder. The barrel mold is coaxially arranged in the inner barrel, a second mounting cavity is formed between the barrel mold and the inner barrel, the gradient coil is arranged in the second mounting cavity and wound on the barrel mold, and a solidification layer is poured in the second mounting cavity. According to the invention, the superconducting magnet and the gradient coil can be integrated, the problem that the gradient coil is inconvenient to install can be avoided, and the assembly efficiency is greatly improved.

The utility model discloses an engine cylinder mold device convenient to demold, which relates to the technical field of engine part manufacturing and comprises a support, a lower mold, an upper mold, a base and a hydraulic rod, the support is fixedly connected to the rear end of the top of the base, and the hydraulic rod is fixedly connected to the support. The upper mold is fixedly connected to the telescopic end of the hydraulic rod, the lower mold is fixedly connected to the top of the base and corresponds to the upper mold, an ejection mechanism is fixedly installed at the bottom of the base, a walking mechanism is assembled at the top of the base, and a spraying deflection mechanism is assembled at the moving end of the walking mechanism. According to the utility model, the spraying deflection mechanism and the walking mechanism are arranged, so that the hollow box integrated with spraying and blowing functions can flexibly move in horizontal and rotating dimensions, and a spray head and an air outlet cover can be accurately aligned with complex areas such as a deep cavity and an inclined wall which are difficult to touch in an engine cylinder block mold; and dead-corner-free uniform spraying and purging are realized.

The utility model discloses a pouring and discharging system for an upper cylinder mold of a hybrid power engine. The pouring and discharging system comprises a pouring part and a deslagging part, the pouring part comprises a pouring head and a pouring unit; the pouring unit comprises a main pouring gate, branch pouring gates and a plurality of branch pouring gates; the slag discharging part comprises a first slag discharging unit, a second slag discharging unit, a third slag discharging unit, a fourth slag discharging unit, a fifth slag discharging unit, a sixth slag discharging unit and a slag ladle cavity. According to the utility model, a new scheme is designed for pouring and deslagging of a cylinder area and other structural core areas of the upper cylinder body of the engine, so that the produced product is ensured to be suitable for special working condition requirements and structural strength requirements.

This invention relates to the field of metal forming and processing technology, specifically to a forming machine tool for thin-walled curved components and an artificial intelligence system. The forming machine tool includes a machine body and, from top to bottom, an extrusion rod assembly, a mold, and an ejector rod arranged on the machine body. The mold includes an outer cylinder mold and a lower concave mold and an upper concave mold disposed within the outer cylinder mold. The upper concave mold has a central through hole and multiple axial through holes. A thin-walled metal cylinder is placed between the upper and lower concave molds, with the inner and outer sides of the thin-walled metal cylinder serving as an internal and external metal filling space for filling metal, respectively. The extrusion rod assembly drives the upper and lower concave molds to close, obtaining a formed thin-walled metal spherical shell, with the inner and outer metals undergoing back pressure. The ejector rod passes through the central bottom hole of the lower concave mold, used for mold opening and ejecting the formed thin-walled metal spherical shell. This invention has advantages such as high yield, fewer microscopic wrinkles and cracks, and high fatigue life.

The utility model discloses a multi-cylinder direct-locking type mould locking mechanism, which comprises a mould plate assembly and a guide driving direct-locking integrated mould cylinder unit, the mould cylinder unit comprises a plurality of groups of mould cylinder assemblies, each group of mould cylinder assembly comprises a mould cylinder sleeve assembly and a direct-locking type mould cylinder machine column, and the direct-locking type mould cylinder machine column adopts a machine column mandrel integrated structure. According to the multi-cylinder direct-locking type mold locking mechanism, the upper mold plate is driven to move up and down through direct driving of the direct-locking type mold cylinder columns so as to carry out mold locking and opening operation, continuous and stable operation of an injection molding machine can be effectively guaranteed, integration of a plurality of parts is achieved, the number of the parts is reduced, deviation caused by assembly is reduced, and the production efficiency is improved. The rigidity of the whole machine is improved, the direct locking type mold cylinder columns are adopted, a lower cylinder mold plate does not need to be arranged, the space of the lower end of the machine is saved, the overall height of the workbench can be reduced, and therefore the operation height is reduced, the installation and use range of the whole machine is wider, and the lightweight design of the whole machine is achieved.

The invention relates to the technical field of cylinder body and cylinder cover manufacturing, in particular to a manufacturing method and system for an aluminum alloy oil cylinder body and cylinder cover, and the manufacturing method comprises the steps that a test oil cylinder mold set is manufactured, a test quenching parameter set and a center index parameter set are obtained, step quenching is conducted on the test oil cylinder mold set on the basis of the test quenching parameter set, and a test oil cylinder set is obtained; performing quality detection on each test oil cylinder in the test oil cylinder group to obtain a test oil cylinder quality group, constructing a test oil cylinder data group based on the center index parameter set, the test oil cylinder quality group and the test quenching parameter group, and performing quenching parameter optimization according to the test oil cylinder data group to obtain an optimal quenching parameter group; and according to the optimal quenching parameter set, step quenching is conducted on the pre-obtained original mold, and the target oil cylinder is obtained. The intelligent degree of the oil cylinder preparation process can be improved, and the stability of the cylinder body and the cylinder cover of the oil cylinder is improved.

The utility model provides a cylindrical brick mold, which belongs to the technical field of refractory bricks and comprises a solid disc-shaped bottom plate, a hollow cylindrical large cylindrical mold with an upper opening and a lower opening, a hollow cylindrical small cylindrical mold with an upper opening and a lower opening, a flange and a pressure hammer. The outer circle face of the bottom plate is tightly attached to the inner circle face of the large cylinder mold, at least two first annular grooves used for containing the small cylinder molds are formed in the center of the inner circle face of the bottom plate, the bottom ends of the small cylinder molds are placed in the first grooves, and the inner circle faces of the small cylinder molds abut against the inner walls of the first grooves. The small cylinder mold is arranged in the large cylinder mold through the first groove, the flange is arranged on the inner circle face of the top end of the small cylinder mold and abuts against the inner circle face of the large cylinder mold to be used for fixing the small cylinder mold, the small cylinder mold is arranged in an existing large cylinder mold, the wall thickness of the manufactured small cylinder mold is reduced, and the cost of the mold is reduced; and the die-filling strength of workers is also reduced.

The application provides a manufacturing process of fluoroplastic products, and belongs to the technical field of plastic product production, and comprises the following steps: S1, adopting a polytetrafluoroethylene film belt to be wound outside a cylinder mold and to form a polytetrafluoroethylene layer with a certain thickness; S2, adopting a fusible polytetrafluoroethylene film belt to be wound outside the polytetrafluoroethylene layer and to form a fusible polytetrafluoroethylene layer with a certain thickness, which is used to form a barrier layer with the polytetrafluoroethylene layer after sintering, so as to improve the permeation resistance; the application can make the metal mesh sleeve extrude the fusible polytetrafluoroethylene layer after melting, and further make the metal ring radially contract to extrude the fusible polytetrafluoroethylene layer, so that the fusible polytetrafluoroethylene layer further flows to the polytetrafluoroethylene layer and the mesh pores of the metal mesh sleeve to be filled, and the compactness and the bonding strength are enhanced, and especially the negative pressure resistance, the permeation resistance and the adverse effects of thermal expansion and cold shrinkage of the lining layer are enhanced.

The invention provides a semi-flexible pavement material test piece manufacturing device and method, and belongs to the technical field of pavement materials.The semi-flexible pavement material test piece manufacturing device comprises a cylindrical mold, a hoop, a base plate, a pressurizing mold top cover and a base body test piece, the cylindrical mold is arranged on the outer side of the circumference of the base body test piece in a sleeving mode, and the bottom end of the cylindrical mold is arranged on the base plate; the hoop is arranged on the outer side of the circumference of the cylindrical mold in a sleeving mode, the cylindrical mold and the base body test piece are fastened together, and the pressurizing mold top cover is arranged on the top of the cylindrical mold. According to the method, grouting materials with gaps meeting the asphalt mixture base body and fluidity composite requirements are manufactured on materials according to specifications, thin steel plates are used as mold base materials in mold selection, and enclosure structure opening design is adopted in the mold form, so that the novel mold can be repeatedly utilized, the surface of a test piece is flat after grouting, and the construction quality is improved. The top surface grouting height is controllable by using scale marks in the enclosure structure, and the size of a test piece is regular after grouting forming.

The invention relates to an installation and construction method of an automatic opening and closing cylinder angle formwork, which comprises the following steps of: installing a cantilever beam and a suspension beam on a middle-layer platform beam of a supporting platform, connecting a plane formwork to the suspension beam through bolts, connecting the plane formwork with lateral moving frame bodies of the cylinder angle formwork positioned on two sides of the plane formwork through bolts, and connecting a power mechanism with a control unit through signals; the barrel formwork equipment is jacked to a to-be-poured floor along with the integral jacking steel platform, a power mechanism drives a telescopic rod to extend, an adjustable connecting rod drives two lateral moving frame bodies and an angle formwork main body structure to move, so that a barrel angle formwork and a plane formwork are closed, a concrete barrel structure is poured after a barrel outer formwork is closed, and after concrete reaches the strength required by the design, the concrete is taken out. A barrel outer formwork is dismantled, a power mechanism drives a telescopic rod to contract, an adjustable connecting rod drives two lateral moving frame bodies and an angle formwork main body structure to move, so that a barrel angle formwork and a plane formwork are demolded, and barrel formwork equipment climbs to the upper layer along with the overall jacking steel platform; and the concrete pouring construction of the cylinder structure is completed layer by layer by repeating the steps.

The utility model provides a straight cylinder mold for an air spring leather bag. The straight cylinder mold comprises a mold center shaft, a mold moving part, a first forming part, a second forming part and a reset structure, in the cutting process, the leather bag is arranged on the leather bag mold in a sleeving mode; downward pressure is applied to the mold moving part, and the mold moving part drives the first forming structure to drive the first forming part to expand outwards and synchronously drives the second forming structure to drive the second forming part to expand outwards, so that the leather bag reaches a preset external expansion state, and the subsequent cutting procedure is facilitated; and after the leather bag is cut, downward pressure applied to the mold moving part is eliminated, the mold moving part is reset to the initial state through the reset structure, the first forming part and the second forming part are reset to the initial state, then the leather bag is taken down, and the cutting process is completed. According to the straight cylinder mold, the external expansion degree of the leather bag can be accurately controlled, it is ensured that the leather bag reaches a preset state, the strict requirements of modern industry are met, and the production quality and efficiency are improved.

The application belongs to the field of manufacturing of aero-engine frame structure, and particularly relates to a forming tool and forming method for a mounting edge. The forming tool comprises a main cylinder mold, a right cylinder mold, a left cylinder mold, a bottom cylinder mold and a positioning block. The main cylinder mold, the right cylinder mold, the left cylinder mold and the bottom cylinder mold are combined to form an extrusion space. The positioning block is located in the extrusion space and is used for positioning a ring blank in the extrusion space. A covering part is arranged on the main cylinder mold, the left cylinder mold, the right cylinder mold and / or the bottom cylinder mold. The extrusion end face of the main cylinder mold, the extrusion end face of the left cylinder mold, the extrusion end face of the right cylinder mold, the extrusion end face of the bottom cylinder mold and the limiting surface can form a closed space. The ring blank is filled into the closed space during extrusion, so that the problem that the stress of the ring-shaped part at the corner is too concentrated after being extruded and the inner surface of the ring-shaped part at the corner is prone to cracks in the manufacturing process of the mounting edge is solved.

The barrel corner formwork capable of being automatically opened and closed is arranged at the corner of a barrel structure to be poured and comprises a corner formwork body structure, a lateral movement body structure, a telescopic device and a control unit, and the corner formwork body structure comprises a frame body with the cross section matched with the corner of the barrel structure to be poured; the sliding rails are horizontally arranged and connected to the inner side of the frame main body; the lateral movement main body structure comprises two lateral movement frame bodies connected to the two sides of the angle formwork main body structure through bolts, and sliding blocks of the two lateral movement frame bodies are both matched with the sliding rails. The telescopic device is vertically arranged and connected to a frame body of the angle formwork body structure, a power mechanism of the telescopic device is connected to the top end of a telescopic rod, a plurality of pairs of adjustable connecting rods are connected to the telescopic rod, the other ends of each pair of adjustable connecting rods are hinged to sliding blocks of the two lateral moving frame bodies respectively, and the power mechanism is in signal connection with the control unit. The power mechanism drives the telescopic rod to stretch out and draw back, and the multiple pairs of adjustable connecting rods drive the two lateral moving frame bodies and the angle mold body structure to move relatively so that mold closing and mold opening of the in-cylinder mold plates can be conducted.

The invention discloses a hollow cylinder sample preparation device and method.The device comprises an outer cylinder mold, an inner cylinder mold, a sample loading structure and a compaction structure, the outer cylinder mold is arranged on the periphery of the inner cylinder mold in a sleeving mode, and a hollow cylinder sample preparation space is formed between the outer cylinder mold and the inner cylinder mold; the outer cylinder mold and the inner cylinder mold are each in a cylinder shape defined by a plurality of arc-shaped plates. The sample loading structure is detachably mounted above the sample preparation space and is used for uniformly falling materials into the sample preparation space, the compaction structure is detachably mounted above the sample preparation space, and a compaction end of the compaction structure can be lifted and is used for compacting the materials in the sample preparation space; according to the device, a standardized hollow cylindrical sample preparation space is formed through the outer barrel mold and the inner barrel mold, and controllable operation of sample loading and compaction is realized by combining a detachable sample loading structure and a compaction structure, so that the uniformity of a sample and the sample preparation efficiency are greatly improved, and personal errors are reduced.

The invention relates to a large bamboo filament winding pipe forming die and method for forming a bamboo filament pipe wall. The large bamboo filament winding pipe forming die is composed of a left supporting shaft head, a right supporting shaft head and a steel plate cylinder die body. Wherein a standard module is arranged every two meters of the mold pipeline, the connecting mode of spigot, bolt and outer circle welding is adopted for the connecting positions of the two ends of the modules, and the left supporting shaft head and the right supporting shaft head located at the two ends of the mold pipeline are connected with a mold pipeline body in the connecting mode of spigot and M24 bolt. The mold pipeline is composed of a square pipe, a round pipe and a steel plate, the cylindrical mold body is formed by rolling a steel plate with the thickness equal to or larger than 10 mm, and the interior of the cylindrical mold body is reinforced through the square pipe, reinforcing ribs and the like. The bamboo-wound urban comprehensive pipe gallery has the advantages that the structural design is novel and unique, the structure is simple, the weight is light, the machining requirement of an overall mold can be lowered, smooth demolding of a follow-up pipeline mold is guaranteed, compared with a concrete pipe gallery, the compressive strength of the manufactured bamboo-wound urban comprehensive pipe gallery is equal to the strength of a C30 concrete pipe gallery in the aspect of material performance, and the service life of the bamboo-wound urban comprehensive pipe gallery is prolonged. And the technical specification requirements of urban comprehensive pipe gallery engineering are met.

The utility model provides an elevator shaft lifting type steel frame aluminum alloy cylinder mold, which belongs to the technical field of elevator shaft molds, and comprises an elevator shaft, after the lower part of the elevator shaft is poured, when concrete is dried up to demold and lift the aluminum alloy cylinder mold, a winding drum winds a steel rope, the aluminum alloy cylinder mold moves upwards while demolding is realized, and the steel rope is wound by a winding drum. At the moment, first rolling wheels on the left side and the right side of an anti-deviation assembly roll on the left side and the right side of the elevator shaft poured on the lower portion, and the situation that the left position and the right position of the aluminum alloy barrel formwork deviate in the lifting process is prevented, and meanwhile second rolling wheels on the inner side of the anti-deviation assembly roll on the surface of the inner side of the elevator shaft poured on the lower portion; and the second rolling wheels on the outer side roll on the left side and the right side of a door opening in the elevator shaft poured on the lower side, so that the situation that the inner position and the outer position deviate in the lifting process of the aluminum alloy barrel formwork is prevented, the vertical state of the aluminum alloy barrel formwork in the lifting process is guaranteed, and the smoothness of the interior of the poured elevator shaft is guaranteed.