23results about How to "Strong handling" patented technology

The invention relates to the technical field of packaging containers, and provides a container sealing device capable of being fixed to the neck of a container, the container sealing device is provided with a cover surrounding structure and a cavity cylinder structure, and is provided with a first positioning stop retaining buckle, a first buckle and a sealing piece, and the outer wall of the sealing piece is provided with a concave chamber structure and a supporting and pressing structure; the tail end of the cavity cylinder structure is provided with a channel structure which can be sealed through a channel sealing piece. The container sealing device can be installed and fixed on a container provided with a container neck with an opening and a main body chamber, the container neck is provided with a second positioning stop retaining buckle, a second buckle and a sharp structure, and the sharp structure of the container neck is located in a concave chamber structure of the container sealing device. The sharp structure can cut the thinned and connected structure between the sealing piece and the inner wall of the cavity cylinder structure, so that materials in the container sealing device are released. In addition, the invention further provides a packaging container and a component of the container sealing device.

The invention relates to the technical field of packaging containers of products, and provides a container sealing device which comprises a container sealing device body formed by assembling an inner cover and a control cover, the inner cover is provided with a cover surrounding structure and a barrel surrounding structure which are of an annular barrel-shaped structure and connected together, the cover surrounding structure is provided with a first buckle, and a sealing piece is arranged at the head end of the barrel surrounding structure; a concave chamber structure and a supporting and pressing structure are arranged on the inner wall of the sealing piece; the tail end of the control cover is closed or is provided with a channel structure, the inner wall of the side wall of the control cover is provided with a second buckle, the inner wall of the tail end of the control cover is provided with a cavity cylinder or an arc-sheet-shaped structure, and the cavity cylinder or the arc-sheet-shaped structure is provided with a sharp structure and a rib sheet; the sharp structure is located in the concave chamber structure of the barrel surrounding structure, and the sharp structure can slide, cut, support and press from the concave chamber structure of the inner cover to open the sealing piece, so that materials in the container sealing device are released. In addition, the invention further provides a component of the container sealing device, a packaging container and application.

The invention relates to a gallium indium tin oxide film and a preparation method thereof. The preparation method of the gallium indium tin oxide thin film comprises the following steps: carrying out corona treatment on the surface of a substrate to obtain a pretreated substrate; preparing a liquid gallium-indium-tin alloy; and coating the surface of the pretreated substrate with a liquid gallium-indium-tin alloy to obtain the gallium-indium-tin oxide film. The preparation method of the Ga-ITO film has the advantages of being short in flow process, high in controllability, low in energy consumption, high in adjustability and the like, raw materials needed in the preparation process are non-toxic, convenient to collect and reusable, and the preparation cost of the Ga-ITO film can be greatly reduced.

The invention discloses a flood discharge dam crack simulation prediction and stability analysis method and a flood discharge dam crack simulation prediction and stability analysis device, relates to the field of water conservancy projects, and aims to realize comprehensive analysis and stability prediction of crack causes. According to the method, a nonlinear finite element model of the flood discharge dam section downstream facade crack is established, loads such as self weight, temperature, water pressure, sand pressure, uplift pressure and valve thrust are applied to the model, then flood discharge dam construction, water storage and whole-process simulation calculation of operation are conducted, then the crack initiation and expansion process of the flood discharge dam section downstream facade crack is inverted, and the flood discharge dam section downstream facade crack is obtained. And performing corresponding repair processing on the crack, evaluating the state of the processed crack through analogue simulation, and analyzing the expansion stability of the crack. According to the method, various influence factors are more comprehensively considered, more accurate crack cause analysis is provided, and the method has the advantages of being efficient, accurate, high in stability, high in controllability, low in detection cost and the like.

The method comprises the following steps: predicting the service life of the depoling liquid: shunting a depoled solution in a depoling reaction kettle, carrying out solid-liquid separation on part of the depoled solution, adding a solution stabilizer into the separated pure solution at a constant temperature, fully stirring, and measuring the density of the solution; lime milk is added into the invalid depoling liquid under the stirring condition, solid-liquid separation is carried out, and a solution obtained after solid-liquid separation is the regenerated depoling liquid. The method for predicting the service life of the depoling liquid is simple, the regeneration process of the depoling liquid after failure is simple, the controllability is high, green production in the depoling process can be achieved, and waste liquid and solid waste are not discharged.

This invention relates to an ophthalmic microneedle, comprising: a delivery assembly including a cannula mechanism, a closed head cap detachably mounted at one end of the cannula mechanism, and a tail tube detachably mounted at the other end of the cannula mechanism; the closed head cap has a fixed outer tube at its axial center; the cannula mechanism includes an outer shell with a movable limiting hole, a delivery block corresponding to the movable limiting hole and axially movable within the outer shell, and a needle unit mounted within the outer shell and extending into the fixed outer tube; the needle unit passes through the delivery block; the needle unit includes a metal needle tube, a polyimide needle tube fixed to the free end of the metal needle tube, and a connector fixed to the other end of the metal needle tube; and an external assembly. Utilizing the excellent flexibility of the polyimide needle tube, it can conform to the slight curvature of the ocular tissue during puncture, with minimal risk of breakage.

The utility model relates to an all-steel truck tubeless radial tire tread pattern structure and a tire. The pattern structure comprises two first longitudinal pattern grooves, a second longitudinal pattern groove, a third longitudinal pattern groove and a fourth longitudinal pattern groove, wherein the two first longitudinal pattern grooves are symmetrically arranged along the central point of a tire crown and are distributed along the circumferential direction of a tire tread; the second longitudinal pattern grooves are formed in the outer sides of the first longitudinal pattern grooves and are distributed in the circumferential direction of the tire tread; the lug bosses are arranged between the two first longitudinal pattern grooves and between the first longitudinal pattern grooves and the second longitudinal pattern grooves and are used for enhancing the driving force and the wear resistance of the tread. Compared with the prior art, the tire disclosed by the utility model has good guidance quality, drainage performance, road holding force, puncture resistance and sideslip resistance under high-speed driving, and the traction force and the lateral force of the tire are improved by continuously changing pattern groove angles.

A material storing and releasing device is composed of a cover component, a releasing component and a sealing piece, the cover component is provided with a cover surrounding structure and a cavity cylinder structure, threads are arranged on the inner wall of the cover surrounding structure, the tail end of the cavity cylinder structure is in an opening shape, and the head end of the cavity cylinder structure is provided with a sealing piece with a thinning connecting structure and a breakthrough structure. The cover component, the sealing piece of the cover component or the independent component with the cavity cylinder structure and the sealing piece are made of a low-density polyethylene material with the tensile strength of 7.1-8.9 MPa and the elongation at break of 50%-220% in an injection molding mode through a mold. The release component is provided with a push piece structure and a bursting structure of a sharp structure or a cylindrical structure. The sealing piece can seal an opening in the tail end of the cavity cylinder structure; the material storing and releasing device has the functions of sealing, storing and releasing materials, and can be mounted at a neck opening of a container; the invention further provides a component comprising the material storing and releasing device, a packaging container, a packaging composition, an assembling method of the material storing and releasing device and application of the material storing and releasing device.

The invention provides a water jet propulsion pump with an adjustable blade angle. The water jet propulsion pump comprises a main motor, a fixed guide blade, an outer cover, a blade assembly, an adjustable hub assembly and a flow guide cover. A fixed guide vane is arranged on one side of the outer cover, the main motor is installed at one end of the fixed guide vane, and the main motor is in transmission connection with the adjustable hub assembly. The blade assembly is mounted on a blade base of the adjustable hub assembly, and the blade assembly comprises a driving end for driving blades to rotate; the flow guide cover is mounted at the end part of the adjustable hub; the adjustable hub assembly comprises a mechanism for driving a hub on the periphery of the blade assembly to move in the radial direction, and the mechanism is used for eliminating hub interference in the blade rotating process. Through the design of the overall structure of the hub of the water-jet propulsion pump, when the blade angle is adjusted, the diameter of the hub can be contracted in a matched mode, and the problem that the root of the blade interferes with the hub when the blade rotates is solved.

The present invention relates to a protective cushioning base for bearing refractory bricks, comprising a middle bearing platform and a slide groove, wherein a platform groove is provided in the middle of the middle bearing platform, and a groove plate is installed at the inner side end of the platform groove, a plate hole is provided in the middle of the plate hole, and a chute column is installed in the middle of the plate hole, and a material port and an air net port are provided on the end wall of the chute column, and the chute is provided on the bottom end wall of the middle bearing platform. The beneficial effect of the present invention is that the protective cushioning base for bearing refractory bricks can adjust the position of the chute plate through the coordinated activities of the platform groove and the chute plate, so that the chute plate can be moved outward, and then the chute column can be screwed through the plate hole, and vice versa, the chute column can be rotated, moved outward, removed, and manipulated, and drying powder can be added at the material port of the end wall of the chute column, and air circulates through the air net port end to dry the platform groove, the platform groove and the middle net port are connected to each other, and air circulates through the middle net port end to dry and protect the top end side of the middle bearing platform.

This utility model discloses a device for removing the main shaft bearing of a transmission housing, including a fixedly connected base and a frame. The base has a separation hole, and a hydraulic cylinder is fixedly mounted on the frame. A pusher frame is fixedly connected to the piston rod of the hydraulic cylinder, and a push rod is fixedly connected to the bottom of the pusher frame. Two movable pads are also provided on the base, and the two movable pads are moved away from or towards each other via a drive mechanism. This utility model uses a hydraulic system to control the hydraulic cylinder to push the push rod and push the input shaft, achieving the separation operation of the main housing from the bearing on the input shaft. It has the advantages of strong operability, simplicity, time and labor saving, and can improve work efficiency, reduce damage to spare parts caused by disassembly, and reduce maintenance costs.

The invention discloses a container sealing device and a packaging container and application thereof, a cover component is provided with a cover surrounding structure and a cavity cylinder structure, threads are arranged on the inner wall of the cover surrounding structure, the head end of the cavity cylinder structure is open, the tail end of the cavity cylinder structure is closed, or the tail end of the cavity cylinder structure is provided with a channel structure, and a release component is provided with a sealing piece with a thinning connecting structure and a breakthrough structure. The releasing component is made of a low-density polyethylene material with the tensile strength of 7.1-8.9 MPa and the elongation at break of 50%-220% in an injection molding mode through a mold, the releasing component can be installed and arranged on the outer wall of the cavity cylinder structure of the cover component in a sleeving mode, the container sealing device can be installed at a neck opening of a container, and the opening of the container can be sealed by screwing the cover component. The cavity cylinder structure bursts a thinned connecting structure of a sealing piece of the releasing component, and the sealing piece is pushed to the outside of the cavity cylinder structure, so that the materials in the cavity cylinder structure are released into the container; the invention further provides a packaging container of the container sealing device, a packaging composition, an assembling method of the container sealing device and application of the container sealing device.

The invention discloses a system for quickly removing end molds of a prefabricated box beam, and relates to the technical field of mold removal equipment, comprising a fixed base; a winch is fixedly installed on the left side of the top of the fixed base by bolts, and a trolley assembly and a mold removal assembly are arranged on the top of the fixed base, and the adjustment actions of the fixed lifting trolley and the mobile lifting trolley are utilized to cooperate with the semi-automatic disassembly actions of the mold removal assembly on each node of the end mold, and the hydraulic lifting of the pressure mechanical arm is adopted to improve the construction efficiency of the end mold, save time and labor, and ensure the safety of construction workers to a great extent. The equipment is simple and convenient to operate, and has strong maneuverability, and realizes basic universal use of the inner mold of the box beam, and realizes a substantial improvement in the efficiency of assembling and disassembling the inner mold.

The invention belongs to the technical field of textile machinery, and particularly relates to a fabric slitting mechanism capable of forming various patterns, which comprises a plurality of groups of pattern molds, a plurality of groups of pattern molds, a plurality of groups of pattern molds, a plurality of groups of pattern molds, a plurality of groups of pattern molds and a plurality of groups of pattern molds, and the two pattern molds are mutually complementary in shape and are equally spaced along any horizontal position in the width direction of warp-knitted fabric; the two blocking pieces are installed above the pattern mold. The mold transverse moving assembly drives the pattern mold to move in the width direction of the warp knitting cloth. The mold switching assembly drives the matched pattern molds to be replaced at the same time. The blocking piece transverse moving assembly drives the blocking piece to move in the width direction of the warp knitting cloth. The blocking piece longitudinal moving assemblies are matched in pairs to drive the blocking pieces to move in the vertical direction of the band knife. The distance adjusting assembly is used for adjusting the distance between the two groups of pattern molds and the separation blade along the vertical direction of the band knife; the overall adjusting assembly drives the two sets of pattern molds and the blocking pieces to move in the same direction in the vertical direction of the band knife. The cloth slitting machine can be suitable for slitting operation of warp knitting cloth with different thicknesses, can produce two pieces of plush cloth with different average wool heights, and is convenient to install, maintain and repair.

The utility model relates to the technical field of adjustable shock absorber discloses a kind of split adjustable shock absorber, including connector, the outer wall of the connector is fixedly connected with connecting block, the outer left side of the connecting block is fixedly connected with limit post, the outer wall of the limit post is fixedly connected with rotating shaft, the outer wall of the rotating shaft is fixedly connected with connecting plate, the inner wall right side of the connecting block is rotatably connected with rotating rod, the outer wall of the rotating rod is fixedly connected with rotating plate, the outer wall middle part of the rotating plate is fixedly connected with handle, the outer wall of the rotating plate is fixedly connected with bolt on both sides. In the utility model, the limit post of the left side of the connecting block of outer wall fixed rotating shaft, so that connecting plate can flexibly rotate around rotating shaft, drive rotating rod to rotate in the inner wall of connecting block, make the bolt of rotating plate both sides synchronous movement, connection is stable, safety is high, operation threshold is low and adaptability is strong, maintenance efficiency greatly improves.

The invention discloses a quick dismantling system for an end mold of a prefabricated box girder, and relates to the technical field of mold dismantling equipment. A winch is fixedly installed on the left side of the top of the fixed base through bolts, the trolley assembly and the mold removal assembly are arranged on the top of the fixed base, and the adjustment action of the fixed lifting trolley and the movable lifting trolley is used for being matched with the semi-automatic disassembly action of the mold removal assembly on all joints of an end mold. The end formwork construction efficiency is improved through hydraulic pressure of the pressure mechanical arm, time and labor are saved, the safety of construction workers is guaranteed to a great extent, the device is easy and convenient to operate and extremely high in controllability, basic universality of the box girder inner side formwork is achieved, and the inner formwork assembling and disassembling efficiency is greatly improved.

A container sealing device and its packaging container and application, wherein the cover member comprises a cover surrounding structure and a cavity tube structure, the inner wall of the cover surrounding structure is provided with threads, the head end of the cavity tube structure is open and the tail end is closed or the tail end is provided with a channel structure, the release member is provided with a sealing sheet with a thinning connection structure and a breakthrough structure, the release member is made of low-density polyethylene material with a tensile strength of 7.1-8.9 MPa and a breaking elongation of 50%-220% through mold injection molding, the release member can be installed and sleeved on the outer wall of the cavity tube structure of the cover member, the container sealing device can be installed at the neck opening of the container, and by screwing the cover member, the cavity tube structure breaks the thinning connection structure of the sealing sheet of the release member, and the sealing sheet is pushed to the outside of the cavity tube structure, so that the material in the cavity tube structure is released into the container; the present invention also provides a packaging container, a packaging composition, an assembly method of the container sealing device and the application thereof.

The utility model discloses a steering device of a crawler-type curb slip form machine, which comprises a first steering control rod and a second steering control rod, a first hydraulic cylinder and a second hydraulic cylinder are respectively arranged at two ends of the first steering control rod, and a third hydraulic cylinder and a fourth hydraulic cylinder are respectively arranged at two ends of the second steering control rod. And the first steering control rod and the second steering control rod are connected with a transmission device of the crawler-type curb slip form machine. According to the steering device of the crawler-type curb slip form machine, the four independent hydraulic cylinders drive the crawler-type wheels to achieve steering, and compared with traditional two-wheel driving, controllability is higher, and steering and operation can be more accurate.

The present application relates to aerospace machinery technical field, it discloses a kind of multifunctional drop test device, it includes vertical test bench, test bench is provided with energy storage release system, drop system and load acquisition system from top to bottom;Energy storage release system is used to store potential energy for drop system and control release drop system, drop system includes separable outer frame and inner frame, landing buffer device is fixed in inner frame;Drop system is used to lock landing buffer device, and after energy storage release system releases drop system, when a certain height from ground, continue to fall by impact buffer support to prevent outer frame, complete unlocking to inner frame, inner frame and landing buffer device continue free fall, and collide with load acquisition system.Impact before the drop system of the present application and load acquisition system complete inner frame unlocking, the disturbance that landing buffer device is received when unlocking is small, and test reliability is high;It is convenient to carry out anti-inclination single leg or multi-leg drop test.

The utility model discloses a horizontal passive uncoiling device for a metal pipe, which comprises a base support and a supporting module positioned on the base support, and is characterized in that the supporting module comprises a material platform arranged at the bottom end of the supporting module, a vertical shaft is arranged in the center of the material platform, and a mounting plate is arranged on the vertical shaft; a plurality of inner supporting air cylinders which are uniformly distributed along the circumference of the vertical shaft are arranged on the mounting plate, the plurality of inner supporting air cylinders are respectively connected with inner supporting plates, and the plurality of inner supporting plates form an inner ring cylindrical positioning model of the coil pipe material; a pressing module is further arranged on the base support and comprises a pressing air cylinder, the pressing air cylinder is connected with a pressing plate, and the pressing plate forms an outer ring stroking and pressing model of coil pipe materials. The coil loosening degree in the uncoiling process is restrained and adjusted at any time, the problems of collapse, knotting, chuck clamping and the like in the coil uncoiling process are solved, controllability is high, the structure is stable and reliable, and the uncoiling requirements of different heat exchanger product production lines are met.

The invention belongs to the technical field of filter material cleaning of filters for oil fields, and discloses a process and a device for cleaning a filter material of an oilfield produced water filter. The process comprises the following steps: injecting water into a medicine dissolving buffer tank; according to components of a filter material scale sample, a descaling agent is prepared through experimental debugging, and the descaling agent is added into a dissolved agent buffer tank to be dissolved to obtain a descaling cleaning solution; heating the descaling cleaning liquid; the descaling cleaning liquid is pumped into the filter, so that the whole filter is full of the descaling cleaning liquid, and the filter material is soaked; the descaling cleaning liquid is discharged from the filter to reach the filtering device, and returns to the medicine dissolving buffer tank after being filtered; and circularly cleaning until the cleaning is thorough. An existing filter backwashing process device is used for online cleaning, filter materials do not need to be cleaned, and water injection and chemical feeding are conducted through the front-end chemical dissolving buffer tank, so that the problems that a produced water treatment filtering device is high in scaling rate and large in descaling difficulty, the shutdown construction period of a traditional cleaning technology is long, and continuous operation of oil field production cannot be guaranteed are solved. The filtered water quality is stable and reaches the standard.

This invention relates to the field of nanomaterial synthesis, and particularly to an ultrafine MoO2 nanowire bundle exhibiting surface-enhanced Raman (SEPA) effect, its preparation method, and its applications. The preparation method includes the following steps: 1) A sol-gel reaction is carried out using P123, water, n-butanol, concentrated hydrochloric acid, and TEOS as raw materials. The reaction product is then heated and aged, followed by washing, filtration, drying, and calcination to obtain a hexagonal porous template. The aging temperature is 60–140°C. 2) Ammonium molybdate is dissolved in water and mixed with the template obtained in step 1). After stirring and standing, the mixture is dried for the first time, calcined under a hydrogen-containing inert atmosphere, and then the template is removed with hydrofluoric acid. After washing and a second drying, the final product is obtained. The ultrafine MoO2 nanowire bundle has a diameter of approximately 5 nm, a regular and controllable morphology, good repeatability and stability, and exhibits a strong localized surface plasmon resonance effect and outstanding SEPA effect.