51results about How to "Won't squeeze out" patented technology

The invention relates to a test device for making a research on a soil freezing and thawing temperature field, water migration and a deformation law. The test device comprises a freezing bottom plate for feeding freezing liquid into the device, a split soil sample cavity which is arranged on the freezing bottom plate and used for storing soil samples, a top cover arranged at the top of the split soil sample cavity in a covering manner, a soil sample cover plate which is arranged in the split soil sample cavity and used for compacting the soil samples, a water replenishing connection pipe which is connected with a water replenishing device and used for adding water into the soil samples, and a bracket connected between the top cover and the freezing bottom plate. Compared with the prior art, the test device is simple in structure and convenient to operate, and a certain basis is provided for construction using an artificial ground freezing method.

The invention discloses a steel tube end seal ring and a sealing device, and belongs to the technical field of sealing equipment. The steel tube end seal ring comprises a seal ring body and a supporting block arranged in an annular groove, and a steel tube seal peripheral edge and an end face seal peripheral edge are arranged on the end face of the seal ring body; an arc-shaped supporting groove is formed in the end face of one side of the seal ring body; a convex ring provided with a through groove is arranged on the outer circumferential face of the seal ring body. The sealing device comprises a sealing head and a locating sleeve which are mutually matched, and the steel tube end seal ring is arranged in the sealing device. A supporting ring of the locating sleeve is arranged in a supporting groove of the sealing head in a jacking mode and a gap is reserved. The steel tube end seal ring and the sealing device have the advantages that the pre-sealing link is omitted, the efficiency is improved, and cost is saved; the problem that the seal ring droops is solved, so that a pressure testing head can be designed smaller, and therefore a high-pressure test can be conducted on steel tubes with the diameter phi being larger than six hundred and thirty millimeters; the gap between the supporting groove and the supporting ring guarantees the effect that the seal ring body can be moved in place during pressure exertion, and after pressure is removed, the seal ring body can recover the original shape.

The invention provides a continuous production method for a composite type sleeper. The continuous production method comprises the following four procedures: (1) spreading: enabling spread glass fiber woven fabric to pass through a supporting-spreading mechanism; (2) soaking: uniformly spraying polyurethane resin on the surface of the glass fiber woven fabric, and then enabling the glass fiber woven fabric to pass through pair rolls, thus forming a flat surface; (3) winding: winding the glass fiber woven fabric on the outer surface of a sleeper inner core, shearing off the glass fiber woven fabric and placing the sheared glass fiber woven fabric in a mold; and (4) molding: aging the polyurethane resin in the mold, removing the mold after the aging is ended, thus obtaining the composite type sleeper. The invention also provides continuous production equipment for the composite type sleeper. The interlayer shearing force of the sleeper produced by the method is cannot be damaged easily, the polyurethane resin in the outer surface of the sleeper produced by the method is distributed uniformly, and continuous and automatic production is realized by virtue of the method.

The invention relates to an automatic power failure device for electric power information communication. The automatic power failure device comprises a case, a wind-driven device, a transmission roller, a driven longitudinal rod, a movable contact and a static contact, wherein the case comprises a case main body, an upper roaring hole, a transverse arrangement screw hole, a lower rotating hole, a position limiting screw bolt, a first wiring hole, a second wiring hole, an upper position limiting plate and a lower position limiting plate; the wind-driven device comprises an external threaded shaft, a driving gear, a wind-driven fan blade, a position limiting screw nut and a longitudinal arrangement insertion hole; the transmission roller comprises a transmission mandrel, a driven gear and a transmission roller post; the driven longitudinal rod comprises an overhead plug, a bottom plug, a bias longitudinal rod and a manual lock; the movable contact comprises a contact body, a hinging lug boss and a hinging connecting rod; the static contact is connected with a second conducting wire; the second conducting wire penetrates out of the casing main body from the second wiring hole. The automatic power failure device for electric power information communication has the advantages that the automatic power failure can be realized under the strong wind effect; the power failure can also be realized through manual pressing. The invention also discloses a power failure method of the automatic power failure device.

The container e.g. compressed air reservoir (1) has two cup-shaped container halves produced by recasting steel plates (2, 4), where edges (12, 14) of the halves overlap in an overlapping region. The edges are curved in a pointed angle opposite to cladding walls (8, 10) adjacent to the edges in such a manner that the edges run parallel to each other in the overlapping region. An adhesive- or butt joint (18) is arranged between the edges. The edge (12) of the container halves is curved outwards in the overlapping region, and the other edge (14) runs like a gable in a cross section.

The invention provides an electronmagnetic flowmeter and a determinator, which can ensure tightness. Moreover, the sealing component is not damaged by squeezing, and can not be squeezed out between the electrode component and the determinator. The electromagnetic flowmeter comprises a determinator (1), an electrode component (2), spring (7) and a gasket (3). The determinator is provided with a tubular peripheral wall with a through-hole (10), and the inner part of the peripheral wall has fuild, and the inner peripheral surface of the through-hole is provided with an inclined plane (10a). The electrode component is inserted in the through-hole, and has an inclined plane (1b), which is opposited to the inclined plane (10a), and the diameter is reduced along the inner part of the periphearl surface to the outside; an a protruding part (20), which is protruded from the inclined surface in a ring shape, and is against the inclined surface, and a gap is provided between the inclined surfaces. The spring (7) pushes the electrode component to the outside from the inner part of the peripheral surface. The gasket is a ring shaped component, and is clamped in the gap between inclined surfaces in a pressed state.

The invention relates to transparent model alloy equipment. It includes quartz glass cell containing transparent model alloy, temperature gradient platform and detection system. Its characters are: heating stage of temperature gradient platform use PTC calefaction module to warm, cooling stage use semiconductor refrigerator to cool, temperature can be accurately controlled, distance between heating stage and cooling stage can be adjusted arbitrarily and temperature difference is in direct proportion to distance between heating stage and cooling stage. Merits of the invention are: high precision; being able to measure flow field, temperature field and chroma field; butanedinitrile not being extruded under 90deg.C and ensuring photograph frame clearness in flight test.

The invention discloses a eutectic welding machine for die bonding of an LED chip. The eutectic welding machine comprises a base and a welding mechanism, wherein the welding mechanism is installed onthe upper portion of the base in a sliding mode; the welding mechanism comprises a bearing plate; side plates are movably connected to the two sides of the top of the bearing plate; and the opposite sides of the two side plates are horizontally connected with a first end plate and a second end plate correspondingly, and a second electric telescopic column is horizontally installed between the first end plate and the second end plate. Welding is more convenient, and cleanness and sanitation during installation can be kept under the condition that the chip is firmly installed, and the quality offollow-up use of the chip is not prone to being affected. In the glue smearing process, redundant glue overflows from the two sides of the upper portion of the chip to flow onto the bearing plate, and the redundant glue is not prone to being accumulated on the upper portion of the chip, thus guaranteeing that the chip can be used safely and efficiently.

The invention relates to the technical field of child auxiliary tools, in particular to a toothpaste dispenser for children. The technical problem to be solved by the present invention is that toothpaste dispensers in the prior art are inconvenient for children to use. In order to solve the above problem, the present invention provides the toothpaste dispenser for children. The toothpaste dispenser comprises a hollow seat; the top of the hollow seat and an opening on one side communicate with the outside, and an opening on the other side of the hollow seat is provided with an inlet; the inletis connected to the interior of the hollow seat; the inner wall of the inlet is fixedly connected with a plurality of inverted scraping blades; the front and rear sides of the inner wall of the hollowseat are connected by a rotating shaft; the rotating shaft is sleeved with a round sleeve; a pressure plate is fixedly connected to one side surface of the round sleeve; and a through groove is formed at the top of the pressure plate. The middle portion of a pressure roller is a convex rubber cylinder, and the cylinder can be deformed as the sleeve moves, so that the pressure roller can always bein contact with the bottom of the inclined groove, and the toothpaste can be squeezed out completely to avoid waste.

The invention discloses a refractory material constructor lifting platform, and belongs to the technical field of refractory material construction equipment. The lifting platform is characterized by comprising a fixing base, a lifting table and plug-in mounting type guide rail rods, wherein a balancing weight is arranged in the fixing base, at least four plug-in mounting type guide rail rods are annularly arrayed on the fixing base, a lifting driving device is arranged on the lifting table, and the lifting driving device can drive the lifting table to move up and down along the plug-in mounting type guide rail rods. According to the lifting platform, the lifting time and stroke can be controlled by a single person while refractory material construction is conducted, manpower consumption islow, the operation is easy and convenient to conduct, and the lifting device is suitable for construction or repair operation of small kilns.

The invention relates to a novel vulcanization pressurizing plate, a vulcanizer, a rubber sheet for a conveyor belt joint and a conveyor belt connecting method. In order to solve the problems that in the existing conveyor belt joint technology, pressure intensity control is not precise, and a vulcanized rubber joint is low in strength and poor in quality, the invention provides a novel vulcanization pressurizing plate. The novel vulcanization pressurizing plate comprises a square pressurizing frame, a base plate, a stainless steel pressurizing inner container and a lifting plate, wherein the base plate is fixedly connected to the lower edge of the square pressurizing frame to form an open square pit; the stainless steel pressurizing inner container is arranged in the square pit; the lower surface of the lifting plate is pressed on the stainless steel pressurizing inner container; the lower edge of the periphery of the lifting plate is embedded in the square pit; the stainless steel pressurizing inner container is in a flat square shape; the side wall of the stainless steel pressurizing inner container is further communicated with a pressurizing pipe; and the outer end of the pressurizing pipe penetrates through the square pressurizing frame and then is connected to a matched high-pressure pump through a valve. The novel vulcanization pressurizing plate, the vulcanizer, the rubber sheet for the conveyor belt joint and the conveyor belt connecting method overcome the defects in the prior art, the rubber at the the conveyor belt joint is high in hardness, high in tensile strength and very tough, and the service life of the conveyor belt is greatly prolonged. The novel vulcanization pressurizing plate, the vulcanizer, the rubber sheet for the conveyor belt joint and the conveyor belt connecting method are widely applicable to various coal mines.

A belt tightener for a safety belt system comprises a drive device having a tightener tube (10) and a substantially deformable power transmission element (12) which is guided inside the tightener tube (10) and engages a rotatable drive element during belt tightening. According to the invention, at least part of the surface of the power transmission element (12) and/or at least part of the inner surface of the tightener tube (10) is structured and covered with a lubricant.

The invention discloses a refractory material safe conveying and lifting system for a construction site, and belongs to the technical field of refractory material construction equipment. The device ischaracterized by comprising a fixed base, a lifting table and plug-in mounting type guide rail rods, at least four plug-in mounting type guide rail rods are annularly arrayed on the fixed base, a lifting driving device is arranged on the lifting table, and the lifting driving device can drive the lifting table to move up and down along the plug-in mounting type guide rail rods. The lifting platform comprises an outer shell, a storage platform is arranged on the upper portion of the outer shell, and safety fences are arranged on the periphery of the storage platform. A left rod storage bin anda right rod storage bin are arranged on the upper left portion and the upper right portion in the outer shell respectively. An embedded tool box is further arranged in the outer shell. The plug-in mounting type guide rail rod can be stored in the left rod storage bin and the right rod storage bin. The lifting platform can safely convey personnel and materials while assisting in refractory material construction, constructors on the lifting platform can control the lifting opportunity and stroke by themselves, manpower consumption is low, and the lifting platform is simple, convenient and easyto implement.

The invention discloses a pin used on a component, and belongs to the technical field of component pins. The pin comprises a pin connecting plate and a pin bottom plate. The left end surface of the pin connecting plate is fixedly provided with the pin bottom plate, and the left end part of the pin bottom plate is a climbing inclined surface, wherein the climbing inclined surface is an inclined surface which is obliquely upwards arranged on the bottom surface of the pin bottom plate. The pin bottom plate is provided with a plurality of parallel solder paste storage grooves, and the solder pastestorage grooves are through grooves which penetrate through the pin bottom plate. The pin is used for solving the technical problems that floating and insufficient welding are liable to happen when atraditional pin is welded.

The invention discloses a method for preparing special water-absorbing resin for an adult diaper. The water-absorbing resin is prepared from, by weight, 30 parts of acrylic acid, 20 parts of 50% sodium hydroxide solution, 6 parts of acrylamide, 5 parts of cross-linking agent, 60 parts of hydroxyl cyclopentadiene, 60 parts of deionized water, 0.8 part of hydrogen peroxide and 0.6 part of initiator. All the raw materials except hydrogen peroxide and the initiator are added into a reactor to be evenly mixed, and then nitrogen is introduced to remove oxygen; then the initiator is added to initiate polymerization reaction; the temperature of 85 DEG C is preserved for 2 hours; colloid is granulated and dried at the temperature of 140 DEG C till the water content is smaller than 3%; 1,4-butanediol is evenly sprayed to particles; surfactant is evenly sprayed to the particles, and the temperature of 140 DEG C is preserved for 40 min; finally, a 30% aluminum sulfate solution is added, the temperature of 120 DEG C is preserved, and the resin is obtained. The resin manufactured through the method is large in water retaining capacity, high in absorbing speed, flexible after water absorption, not prone to break when bearing pressure and particularly suitable for the adult diaper, and water absorbed in the resin cannot be squeezed out due to external force.

The invention discloses a filling type sealing auxiliary agent, which comprises, by weight, 20-30 parts of styrene butadiene rubber, 5-30 parts of nano-scale carbon black, 20-30 parts of a plasticizer, 15-35 parts of barium sulfate, 2-10 parts of a rare earth material, 10-30 parts of triethylamine, 10-15 parts of a flame retardant, 5-10 parts of an ultraviolet ray absorber, 5-10 parts of a heat stabilizer, 3-9 parts of an antioxidant and 15-25 parts of a tackifier. According to the invention, through the plasticizers, the performance of polymer materials is improved, the production cost is reduced, the productivity effectiveness is increased, and the plasticity and the strength of the material are improved; and through the tackifier, the bonding strength between the styrene butadiene rubber and other materials is increased, and good stability, good viscosity, good tensile strength, good color retention and good oxidation resistance can be maintained at a temperature of 90 DEG C, so that the compression creep is small when the sealing auxiliary agent is used for sealing the covering cap, cannot be extruded from the edge of the covering cap after long-term use, and has strong sealingproperty.

The invention provides a high-toughness conductive nano-composite ionic gel and a preparation method thereof. On the basis of ensuring the toughness of a product, the product has relatively good conductivity and extensibility and excellent comprehensive performance, and the preparation process is simple and suitable for large-scale production. The high-toughness conductive nano-composite ionic gel is characterized in that preparation raw materials of the high-toughness conductive nano-composite ionic gel comprise nano titanium dioxide hydrosol, ionic liquid and monomers, the volume ratio of the ionic liquid to the nano titanium dioxide hydrosol is (1-8):1, and after all the components of the raw materials are mixed, the molar concentration of the monomers is 0.5-3 M; the particle size of nano titanium dioxide in the nano titanium dioxide hydrosol is 5-30 nm, and the mass concentration of the nano titanium dioxide in the nano titanium dioxide hydrosol is 10%-15%; and the monomer is an acrylic acid, acrylate or acrylamide monomer.

The invention relates to a multi-section heater (1) which comprises multiple sections (2, 3) that are connected in series through connectors (18) and are sealed from the outside in the connection area though the sealing devices (23). The first section (2) is equipped with a build-in valve (6) extended to the connector (18) between the first section (2) and the second section (3); the connector (18) between the first section (2) and the second section (3) has at least one screw (19, 20) used for connecting one of the two sections (2, 3). The screw (19) is has a screw seal device (25) for ensuring that the heat carrier is only controlled by the built-in valve (6).

The invention provides a high-stability water-soluble coenzyme Q10 inclusion compound. A preparation method comprises the following steps: heating a water-soluble coenzyme Q10 inclusion compound aqueous solution to 10-90 DEG C, adding a cross-linking agent, performing stirring reaction for 1-20 hours, and performing filtration and drying to obtain the high-stability water-soluble coenzyme Q10 inclusion compound. In the water-soluble coenzyme Q10 inclusion compound aqueous solution, an inclusion wall material of coenzyme Q10 is a starch wall material, and the content of water is 50-95% of the mass of the water-soluble coenzyme Q10 inclusion compound aqueous solution; and the addition amount of the cross-linking agent is 0.0005-0.02% of the mass of the water-soluble coenzyme Q10 inclusion compound aqueous solution. According to the invention, through an end group treatment mode of promoting cross-linking between hydrophilic end groups -OH outside the starch wall material through the cross-linking agent containing polyfunctional groups, an inlet port of the starch wall material is effectively terminated, the use stability of the water-soluble coenzyme Q10 inclusion compound is greatlyimproved, and the application field of the water-soluble coenzyme Q10 inclusion compound is further expanded.